bluuebunny/crossref_metadata_2025 huggingface dataset:
APLIKASI TERJEMAHAN SANDI MORSE BERBASIS ANDROID MORSE TRANSLATOR APPLICATIONS BASED ON ANDROID
Authors: Nasfi Nahar Muhammad Husnur Rijal , Alwi Aslan , Setyawan Moh. Bhanu
Published: November 2018

Sandi morse adalah suatu bentuk kode atau isyarat untuk berkomunikasi. Kode-kode ini biasanya dipakai di organisasi kepramukaan sebagai sarana pendidikan untuk mencari metode komunikasi yang lebih efektif digunakan di saat-saat tertentu. Pembelajaran sandi morse dapat menjadi sarana untuk melatih para anggota Pramuka agar menjadi terampil, cerdas, dan memiliki indera pendengaran atau penglihatan yang tajam. Dalam dunia Pramuka, sandi morse juga kerap dipelajari sebagai salah satu bentuk keterampilan. Kemampuan seorang anggota pramuka untuk mengirimkan dan menerima kode morse adalah salah satu dari kecakapan yang dapat menerima tanda kecakapan khusus. Dibalik sekian banyak manfaat yang dihasilkan dari sandi morse, banyak diantara kita punya kesulitan untuk menerjemahkan kode sandi morse karena sandi ini hanya terdiri dari simbol titik dan garis yang rumit, jika dilihat sekilas terasa mirip. Berdasarkan uraian di atas, tujuan pembuatan tugas akhir ini adalah untuk pengerjaan aplikasi berbasis kata sandi morse berdasarkan Android guna memudahkan pengguna menejermahkan kalimat ke bentuk sandi morse secara cepat dan akurat. Aplikasi ini tidak hanya bisa mengubah kode menjadi kode morse pelihara juga mampu mengubah kode morse menjadi kalimat. Diharapkan dengan aplikasi ini dapat membantu pengguna dalam menerjemahkan kalimat ke sandi morse or sebaliknya sehingga pengguna tidak akan mengalami kesulitan lagi ketika penerjemahan kode morse.
SISTEM INDIKATOR PADA DAUN MENGGUNAKAN SENSOR WARNA BERBASIS MIKROKONTROLER AT-MEGA32
Authors: Octavia Windy , Masykur Fauzan , Prasetyo Angga
Published: November 2018

Pakcoy adalah sejenis tanaman sayuran daun yang mirip dengan sawi. Daun tanaman ini memiliki manfaat yang dapat berguna untuk kesehatan mata, pencernaan, mengurangi kolesterol dan tanaman ini juga mengandung banyak mineral. Tingginya minat konsumen terhadap sayur pakcoy membuat para penyedia harus menyiapkannya dalam jumlah besar dan dengan kualitas yang baik, karena tenaga manusia yang kurang efektif dan efisien maka digantilah dengan sebuah alat yang dapat memilah kualitas sayur. Dalam pembuatan alat ini menggunakan sensor warna TCS230 dimana sensor warna ini sering digunakan pada aplikasi mikrokontroler untuk mendeteksi warna objek. Mikrokontroler adalah suatu sistem komputer yang dirancang untuk keperluan pengontrolan sistem. Mikrokontroler yang digunakan dalam pembuatan alat ini adalah produksi Atmel dengan generasi AVR (Alf and Vegard’s RISC processor). Mikrokontroler AVR AT-Mega32 merupakan salah satu mikrokontroler yang menerapkan sistem arsitektur Harvard. Dimana, arsitektur ini ditujukan untuk mengatasi masalah bottle neck pada arsitektur sebelumnya yaiut von Neumann architecture. Hasil pengujian dari alat menunjukkan bahwa semua modul input dan modul output yang digunakan mampu bekerja sesuai dengan rancangan menggunakan Mikrokontroler AT-Mega32. Alat dapat melakukan intruksi pembacaan warna dan keluaran berupa frekuensi sesuai prosedur yang diharapkan dengan benar. Pada pengujian pertama dengan warna daun hijau tua menghasilkan output tiga LED warna hijau yang berarti kondisi daun layak (segera digunakan). Pada pengujian kedua dengan warna daun hijau muda menghasilkan output semua LED warna hijau yang berarti kondisi daun layak (bisa disimpan). Dan pada pengujian ketiga dengan warna daun hijau keputihan, hanya menghasilkan output satu LED warna merah yang berarti kondisi daun tidak layak.
RANCANG BANGUN JEMURAN OTOMATIS BERBASIS WEB DENGAN KENDALI RASPBERRY PI
Authors: Syaikhuriza Faisal , Aliyadi Aliyadi , Prasetyo Angga
Published: November 2018

Seiring dengan berkembangnya zaman, saat ini telah banyak diciptakan alat untuk mempermudah manusia dalam melakukan pekerjaannya. Elektronika adalah salah satu dari teknologi yang membantu kehidupan manusia agar menjadi lebih mudah. Setiap perusahaan laundry pasti ingin jemuran terhidar dari hujan. Maka penulis melakukan penelitian yang bertujuan untuk membuat prototype jemuran otomatis yang dapat dikendalikan melalui web browser sehingga memudahkan manusia dalam melindungi jemuran dari hujan yang turun secara tiba - tiba. Alat ini dikendalikan secara otomatis dan melalui web browser. Untuk komponen yang digunakan dalam sistem ini adalah teknologi Raspberry Pi dimana sistem tersebut bisa mengendalikan jemuran secara otomatis. Web Browser dan Raspberry Pi ini membuat siapa saja mampu mengendalikan perangkat - perangkat yang ada disekitarnya hanya dengan menggunakan sebuah smartphone, laptop, dan komputer. Penelitian ini diharapkan dapat membantu pengguna dalam melindungi jemuran dari hujan secara tiba - tiba.
O PAPEL DA COOPERATIVA DE RECICLAGEM NA LOGÍSTICA REVERSA DE UM SISTEMA PRODUTIVO
Authors: Panza Graziela Bizin , Okano Marcelo Tsuguio
Published: November 2018

Os objetivos desta pesquisa são mapear a cadeia produtiva de logística reversa de uma cooperativa de reciclagem, verificar as características sociais e econômicas das cooperativas através do Social Business Model Canvas e quais são os benefícios para a logística reversa do acordo entre as cooperativas e empresas e associações de fabricantes. A abordagem qualitativa será utilizada nesta pesquisa, e o método a ser empregado é o estudo de caso múltiplos, onde serão considerados mais de um objeto de estudo, com caráter exploratório e descritivo. Os objetivos foram alcançados, a cadeia produtiva de logística reversa de uma cooperativa de reciclagem pode ser mapeada. As principais características sociais são realizar o descarte correto de lixo para os grandes geradores; limpeza, descarte correto, coleta e triagem do lixo para os municípios e renda, trabalho, educação, resgate da cidadania e autoestima para os cooperados. As características econômicas são que as cooperativas têm convênios ou parcerias com as prefeituras que provem galpões, caminhões para coletas, agua e luz; a principal fonte de receita é a venda de material reciclável; prestação de serviços para os grandes geradores é outra fonte de receita e as parcerias são importantes para as cooperativas.
LOCALIZAÇÃO DE INSTALAÇÕES INDESEJÁVEIS NO CONTEXTO DA GESTÃO DE DESASTRES
Authors: Calazans Luís  Fernando Mota , Samed Márcia Marcondes  Altimari
Published: November 2018

Desastre é um evento de causa natural e/ou tecnológica que afeta a normalidade do funcionamento social e, por extensão, provoca danos e prejuízos à sociedade, afetando a economia, ecossistemas, estrutura básica e desenvolvimento humano. Por instalação indesejável entende-se que essa instalação deve-se localizar, de preferência, o mais distante possível das populações, assim, em casos de desastres, deve ocorrer o menor dano possível. Neste artigo, decidiu-se abordar a localização de um aterro sanitário. Deste modo, apresenta-se, de forma resumida, a aplicação de um método de apoio à tomada de decisão com múltiplos critérios (Analytic Hierarch Process – AHP) para definir a melhor localização para um aterro sanitário, no contexto da gestão de desastres, no município de Maringá. A área dada como prioritária teve um destaque muito maior que as outras, recebendo quase metade do peso total, dessa forma deve ser extremamente priorizada para receber a instalação.
TERCEIRIZAÇÃO COMO ESTRATÉGIA LOGÍSTICA PARA REDUÇÃO DE CUSTOS NO PROCESSO DE REEMBALAGEM
Authors: Góis Gilberto Lucas Dos Anjos , Ferreira Thaís Britto , Maiellaro Valéria Rufino
Published: November 2018

O Profissional de logística tornou-se decisivo dentro da organização, com responsabilidades que vão além de planejar, gerir e controlar os materiais e informações. Hoje as pessoas que trabalham com logística devem ter visão estratégica e habilidades para reduzir custos, utilizando ferramentas inovadoras ou já existentes, mas direcionadas para tal necessidade, um desses recursos é a terceirização de mão-de-obra. A terceirização é uma ferramenta que vem ganhando espaço no meio organizacional e se mostra forte aliada dos gestores na busca de alinhar a operação às estratégias e objetivos da empresa, à flexibilidade para com o mercado, e à redução de custos, em especial esse último, que em suma, é um dos principais interesses dos gestores. Foram utilizados para esse estudo uma base de dados reais, a fim de demonstrar a viabilidade da terceirização de mão de obra em uma linha de produção. Os resultados apontam que, ao aderir essa prática, a empresa libera recursos para suas atividades-chave, adquire capacidade para atender demandas sazonais e por consequência, se torna mais competitiva.
OC32 HYBRID PALLIATION FOR HYPOPLASTIC LEFT HEART SYNDROME AND VARIANTS: A SINGLE CENTER 5-YEAR EXPERIENCE
Authors: Oreto L. , Manuri L. , Calvaruso D. , Guerra C. , Ferro G. , Campanella I. , Nicita G. , Grasso N. , Zanai R. , Trombetta B.M. , Sturiale M. , Fonte A. , Iorio F. , Reali S. , Agati S.
Published: November 2018

Background:

Hybrid palliation is an alternative to Norwood stage I for the initial management of hypoplastic left heart syndrome (HLHS). We aimed to report our experience with hybrid strategy in HLHS over 5 years in a tertiary care Institution.

Methods and Results:

Forty-four consecutive patients with HLHS or variants underwent hybrid palliation at a mean age of 2.7 days and mean weight of 3.08 Kg. Balloon atrioseptostomy was required in 5 patients and surgical septectomy in 2 cases. In-hospital death was 11% (5 patients, including 2 preterms and 1 congenital atrioventricular block). Three high-risk patients were diverted to rescue Norwood operation between 37 and 60 days, with 2 early deaths. Interstage mortality was 11% (5 patients, including 1 preterm and 2 intracranial hemorrhage). Fifteen patients required interventional procedures during interstage (mean age 3 months), such as atrial septal dilatation (3 cases) or stenting (7 cases), ductal stent dilatation (9 cases) or restenting (2 cases). Three patients underwent stage II operation in other Institutions. At a mean age of 6 months, 14 patients had comprehensive Norwood stage I-II, whereas 14 received biventricular repair. Survival after surgical stage II was 79% (11 patients) and 93% (13 patients), respectively. All 11 patients after comprehensive I-II and 4/13 after biventricular repair required interventional procedures for pulmonary branches stenosis, either balloon dilatation (16 procedures) or stenting (7 procedures). Four patients underwent Fontan operation and 7 are currently awaiting. Overall survival is 76%.

Conclusions:

In our experience hybrid palliation has been the treatment of choice for HLHS and variants, unless contraindicated by the presence of aortic reverse coarctation or excessive ductal diameter.

Despite the tendency described by the Society of Thoracic Surgeons Congenital Heart Surgery 2015 Database, that institutions with higher hybrid use are expected to have low annual HLHS case volume (<5/year), our average case volume is almost double (9/year). Besides, our in-hospital mortality lies below that reported by STS database. Moreover, hybrid approach resulted in a successful bridge to biventricular repair in as much as 7 patients with hypoplastic mitral and aortic valves, who would have not been eligible for biventricular repair at birth.
OC69 SURGERY FOR BENTALL ENDOCARDITIS: SHORT AND LONG-TERM OUTCOME FROM A MULTI-CENTRE REGISTRY
Authors: Sponga S. , Di Mauro M. , Pacini D. , Murara G. , Di Bartolomeo R. , Cappabianca G. , Beghi C. , Weltert L. , De Paulis R. , De Vincentiis C. , Biondi A. , Santini F. , Salsano A. , Salvador L. , Picichè M. , Mariscalco G. , Maselli D. , Rinaldi M. , Mancuso S. , Scrofani R. , Cagnoni G. , Antona C. , Dato G.M.A. , Centofani P. , De Bonis M. , Pozzoli A. , Cugola D. , Galletti L. , Villa E. , Dossena Y. , Troise G. , Barili F. , Paparella D. , Margari V. , Lorusso R. , Parolari A. , Livi U.
Published: November 2018

Background and aim:

Endocarditis after Bentall procedure is a rare but severe complication. Infection usually involves the prosthesis, the annulus, and can lead to pseudoaneurysm or mediastinitis. Surgery in these patients is a challenge but conservative therapy, sometime preferred because of prohibitive perioperative risk, is not effective. Aim of the study was to assess the outcome at short and long term of patients re-operated for Bentall procedure-related endocarditis.

Methods:

From 2003 to 2018, 3398 patients were operated for endocarditis in 22 centres. Among them, 46 had a Bentall procedure-related endocarditis. Pre-operative characteristics were: mean age 57 ± 14, LVEF 56 ± 7%, EuroScore 28%, pre-operative shock 13%, active endocarditis 87%, perivalvular issues 63%, aortic regurgitation 17%, mitral involvement 24%. Most common pathogens involved were Staphylococcus Aureus (26%) and Enterococcus (22%). Implanted composite graft depended from age and centre/surgeon preference, were mechanical Bentall (33%), Bioconduit (30%) and Bentall with Biological Stented Prosthesis (24%).

Results:

During a median hospital stay of 16.5 days, 16 (35%) patients experienced major complications, such as major bleeding (11%), sepsis (11%), MOF (11%) and renal failure (11%), leading 10 (22%) patients to early death. At univariate analysis, Staphylococcus Aureus infection was a risk factor for early (HR 8.1 (1.8–36)) and long-term mortality (HR 4 (1.2–13)). One, 5 and 10-year survival was respectively 78 ± 6%, 69 ± 9%, 69 ± 9%.

Conclusions:

Surgery is effective to treat Bentall procedure–related endocarditis even if this complex procedure is affected by high perioperative mortality. Endocarditis relapse seems to be rare.
OC58 PRELIMINARY RESULTS OF MITRAL VALVE SURGERY IN OCTOGENARIANS: A GIROC MULTICENTER STUDY
Authors: Stura E. Cura , Ricci D. , Paparella D. , Nicolardi S. , Vanelli P. , Casali G. , Antona C. , Rinaldi M.
Published: November 2018

Objective:

In this multicenter prospective study we sought to analyze preliminary results of high risk old patients who underwent mini-invasive mitral valve surgery.

Methods:

From January 2016 to March 2018, 38 patients ≥80 years old underwent MV surgery: mean EuroSCORE II was 4.5 ± 3.7, mean predictive mortality according to logistic Euroscore was 15.4 ± 11.2%. Male were 47.4%, mean BMI was 23.8 ± 3.5. Main MV etiology was degenerative (76.3%). Comorbidities included: diabetes (13.2%), COPD (10.5%), CRF (15.8%), peripheral vasculopathy (21.1%) and AF (60.5%). Mean pre-operative EF was 59.9 ± 10.1% and severe pulmonary hypertension (≥ 55 mmHg) was present in 36.8% of the cases. Patients who underwent previous cardiac operation were 2.6 %. A preoperative vascular screening of the aorta was perfomed in 81.6% patients.

Results:

All patients except one (97.4%) underwent mini-invaive mitral valve surgery. Mitral repair was obtained in 12 out of 38 patients. Main associated procedures were TV repair (15.8%), ASD closure (13.2%) and AF-crioablation (7.9%). Mean cardiopulmonary and cross-clamping time were respectively 122.7 ± 34.4 and 85.2 ± 24.5 minutes. Aortic clamping was obtained with either Chitwood clamp (94.5%) or endoballoon (5.5%). Conversion to sternotomy was necessary in only one case. Operative mortality was 0%. Reoperation for bleeding, aortic dissection and major neurologic events were not reported. 34.2% of the patients required blood transfusion, 5.3% emodyalisis and 5.3% PM implantation. Mean ventilatory support, ICU and hospital stay were respectively 14.5 ± 14 h, 3.3 ± 5.7days and 10.0 ± 5.8days. 30-day mortality was 2.6%.

Preliminary Conclusions:

mini-invasive approach allows acceptable morbidity and mortality in octogenarian patients.
OC10 CLINICAL AND HEMODYNAMIC PERFORMANCE OF THE THIRD-GENERATION ST. JUDE TRIFECTA AORTIC VALVE: SHORT-TERM FOLLOW-UP ANALYSIS
Authors: Vacirca S.R. , Nardi P. , Pisano C. , Bertoldo F. , Ciani C. , Greci M. , Bassano C. , Scafuri A. , Pellegrino A. , Ruvolo G.
Published: November 2018

Background and Aim:

We retrospectively analyzed the short-term outcome of the third-generation St. Jude Trifecta aortic valve.

Methods:

Between December 2014 and December 2017, 177 patients (mean age 75 ± 7 years, 95 males, 82 females) underwent aortic valve replacement (AVR) with St. Jude Trifecta aortic valve and were followed up to 27 ± 9 months.

Results:

Operative mortality was 3.4% (1.7%, isolated AVR). Three-year survival was 84% ± 6%, freedom from cardiac death 98% ± 1%. Echocardiographic variables are reported in Table.

Conclusions:

Trifecta valve provides favourable clinical outcome and hemodynamic performance. No early structural valve degeneration has been observed. Due to the minimal incidence of severe PPM and to the low value of mean trans-prosthetic gradient, Trifecta valve should be considered as one of the best options among the third generation biological prostheses. Longer follow-up is mandatory.

Table. Echocardiographic variables and clinical status
OC77 THE OCS HEART SYSTEM FOR EX-VIVO PERFUSION OF THE DONOR HEART: THE NIGUARDA EXPERIENCE
Authors: Botta L. , Cannata A. , Merlanti B. , Costetti A. , Tata G. , Marchetti C. , Bosi M. , Russo C.F.
Published: November 2018

Background:

The “Organ Care System (OCS)- Heart”-TransMedics (TM) is the only clinical platform for ex-vivo perfusion of human donor hearts, preserving the graft in a warm beating state. AIM: To analyze results of HTX performed with OCS.

Methods:

From 2015 to 2018, 7 patients (mean age: 46y) received a donor heart (mean age: 39y) preserved with the OCS-Heart system. Ischemic, cardiopulmonary (CPB) bypass time and day-0/day-1 CK-MB levels (TM-group) were compared with those of 95 patients transplanted with the cold static storage (CSS-group). The OCS was used for expected long ischemic times or for adverse donor (cardiac arrest) or recipient (infected LVAD, ECMO and unusual anatomy) features.

Results:

Mean out-of-the-body perfusion time was 296 minutes. Overall ischemic time was 124 (TM-group) vs. 187 minutes in the CSS-group (P = 0.01). The OCS allowed to spare 159 minutes of estimated ischemia. D0/D1 CK-MB was 115 and 36 vs. 125 and 47 ng/ml in the CSS-group (P = NS). ICU stay was 20 days. Two patients died for hemorragic shock (LVAD recipient) and for multiorgan failure. One patient developed a severe right failure, treated by mechanical assistance, weaned after 8 days. Five recipients are alive at a mean FU of 18 months.

Conclusions:

Ex-vivo perfusion of donor hearts is technically safe and permits a significant reduction of the ischemic time. A trend toward reduction of myocardial damage was observed when compared to CSS. The real impact in unfavourable donor-recipient combination needs further investigations. A potential expansion of donors’pool is predictable with this innovative system.
EP22 MINIMALLY INVASIVE AORTIC VALVE SURGERY: SINGLE CENTRE EVOLUTION OF TECHNIQUES
Authors: Marchetto G. , La Torre M.W. , Ricci D. , Qarra S. El , Capozza C. , Barbero C. , Marro M. , Stura E. Cura , Boffini M. , Rinaldi M.
Published: November 2018

Backgrounds:

Ministernotomy represents the standard approach to isolated aortic valve replacement (AVR) in our Centre. Sutureless Minithoracotomy AVR has been introduced from 2014. We aim to analize the evolution of techniques in minimally invasive (MI)-AVR.

Methods:

From November 2014 to January 2018, 216 patients underwent MI-AVR at our Institution: 180 ministernotomy AVR and 36 minithoracotomy Sutureless AVR. Preoperative characteristics showed a higher risk profile in the minithoracotomy group regarding age, hypertension and EUROscore (Table 1).

Results:

Results are summarized in Table 1. We recorded no mortality in the minithoracotomy, 2/180 (1.1%) in ministernotomy group; two (1.1%) postoperative neurological events in ministernotomy and one (2.8%) in minithoracotomy group (p = 0.67); no paravalvular leak that required redo surgery in both groups. A PM implant was necessary in 8 patients, 4 in ministernotomy (2.2%) and 4 (11.1%) in minithoracotomy group (p = 0.04). Clamping time (CT) and Cardiopulmunary By Pass time (CPB) were lower in minithoracotomy Sutureless AVR group (p CT = 0.01, p CBP = 0.03).

Conclusions:

MI-AVR can be performed safely, with low postoperative morbidity; sutureless Minithoracotomy AVR widens the minimally invasive portfolio especially in higher risk patients, it is associated with shorter CT and CPB times however it carries a higher risk of PM implant.
RF37 LATE OUTCOMES OF SURGICAL REPAIR OF TRUNCUS ARTERIOSUS. A 2 DECADES EXPERIENCE
Authors: Çelmeta B. , Vedovelli L. , Castaldi B. , Milanesi O. , Stellin G. , Padalino M.A.
Published: November 2018

Background and aim:

To determine whether the right ventricle outflow tract (RVOT) type of reconstruction is correlated to different outcomes in long term results in patients who survived after surgical repair of truncus arteriosus (TA).

Methods:

We retrospectively reviewed the outcomes of 30 patients with TA who underwent successful surgical repair in our center between 1994–2017. We analyzed late results according to the type of RVOT repair.

Results:

Among 30 survivors after TA repair, 6 (20%) were affected by DiGeorge syndrome. The RVOT reconstruction was achieved by means of a conduit (Contegra or Homograft) in 53.6%. In the remaining group of patients, a direct right ventricle-pulmonary artery anastomosis ± interposition of left atrial appendage (LAA) was performed. At a median follow-up time of 12 years (range 4 months-23 years, 93% complete), 6 patients (3 affected by DiGeorge syndrome) died late. Between RVOT groups, there was no difference in terms of late mortality; however, the use of a conduit was significantly associated with a higher risk for reoperation (p 0.021; OR 8.80, 1.35–57.4, Figure 1).

Conclusions:

Post surgical history of patients with TA is characterized by a higher incidence of late adverse events when RVOT is reconstructed by means of a conduit. Reconstruction of the RVOT with a direct anastomosis and/or left atrial appendage interposition reduces effectively the need for reoperation in long term.
RF81 SUTURELESS AORTIC PERCEVAL BIOPROSTHESIS IN CARDIAC REOPERATIONS: SINGLE CENTER EXPERIENCE
Authors: Concistrè G. , Chiaramonti F. , Bianchi G. , Margaryan R. , Santarelli F. , Gasbarri T. , Kallushi E. , Cerillo A.G. , Murzi M. , Farneti P. , Solinas M.
Published: November 2018

Background and Aim:

Perceval sutureless aortic bioprosthesis (LivaNova, Italy) represents an innovative approach for surgical aortic valve replacement (AVR), in order to reduce operative time and facilitate prosthesis implantation, specially in complex procedures. We described our experience with Perceval bioprosthesis in cardiac reoperations (REDO).

Methods:

From March 2011 to December 2017, 841 patients underwent AVR with sutureless aortic Perceval bioprosthesis at our Institution. Of these, 72 patients had previously undergone cardiac surgery. Mean age was 73 ± 4 years, 33 patients were female (46%), and mean logistic EuroSCORE was 27.3 ± 14%. Preoperative, periprocedural and echocardiographic parameters, as well as clinical outcomes, were analyzed.

Results:

The primary procedure was aortic valve surgery in 46 patients (64%). Isolated REDO AVR was performed in 51 patients (71%). REDO surgery was performed via full sternotomy in 63 patients (87.5%) and via right minithoracotomy in 9 patients (12.5%). Cardiopulmonary bypass and aortic cross-clamp times were 98.4 ± 34.3 and 53.3 ± 35.7 minutes for isolated AVR and 176.4 ± 71.5 and 108.1 ± 39.7 minutes for combined procedures. In-hospital deaths occurred in 4 patients (5.5%), two patient had cardiac death, and all patients were alive at a mean follow-up of 28.6 ± 12.4 months. Pacemaker implantation was performed in 4 patients. On echocardiographic evaluation, no patient showed paraprosthetic leakages and mean transprosthesis gradient was 10.4 ± 6.3 mmHg.

Conclusions:

Perceval sutureless AVR is a fast and safe procedure, even in high-risk REDO surgery, providing a good hemodynamic performance with excellent clinical results.
RF19 ENDOVASCULAR SURGERY FOR TYBE B AORTIC DISSECTION: IS THERE A DIFFERENCE BETWEEN ACUTE AND CHRONIC?
Authors: Scigliano F. , Di Tommaso L. , Di Tommaso E. , Mottola M. , Fontana I. , Tozzi A. , Pilato E. , Iannelli G.
Published: November 2018

Background and aim:

Open surgery for type B Aortic Dissection remains a clinical challenge with high morbidity and mortality. Thoracic EndoVascular Aortic Repair (TEVAR) is developing as a strong alternative to open surgery for treatment of acute and chronic type B Aortic Dissection. TEVAR has shown improved early and late results, compared with open surgery or medical therapy, mostly in complicated patients.

To assess if there are some differences in clinical outcome after TEVAR for acute or chronic TAAD, we reviewed our long term experience.

Methods:

From March 2001 to March 2018, out of 289 patients underwent TEVAR, 141 were treated for TAAD (48.8%), 88 for acute (within 14 days) and 53 for chronic dissection (after 14 days). The procedures were performed in a hybrid operating room. Patients received general anesthesia and mechanical ventilation with invasive monitoring. The delivery system was inserted through femoral or iliac artery.

Results:

The overall 30-days mortality was 3.5% (5 patients), All deaths were the result of preoperative malperfusion. There were no neurological complications or paraplegia. At long-term follow-up, aortic related mortality was 7.8% (11 patients) A secondary endovascular or conventional procedure was required in 26 patients (18.4%). There were no statistically significant differences between groups.

Conclusions:

Early and late outcome supports the safety and effectiveness of TEVAR for type B aortic dissection without differences between acute and chronic group. Mortality and morbidity is predominantly related to the patient preoperative status. However, long-term follow-up is mandatory to confirm clinical safety of this procedure
CHOLANGITIS AND BILIARY SEPSIS ON THE BACKGROUND OF CHOLECYSTO-CHOLEDOHOLITHIASIS. DIAGNOSTIC CRITERIA AND TREATMENT TACTICS IN EMERGENCY DEPARTMENT
Authors: Korolkov A. Y. , Popov D. N. , Kitaeva M. A. , Tantsev A. O. , Teplov V. M. , Bagnenko S. F.
Published: November 2018

The article presents modern diagnostic criteria and treatment tactics in patients with cholangitis and biliary sepsis on the background of cholecysto-choledocholithiasis. The analysis of one-stage combined methods of surgical treatment was performed.
ANALYSIS OF MORBIDITY WITH THE ARTERIAL HYPERTENSION AMONG CITIZENS OF THE KRASNODAR CITY
Authors: Bagdasar’yan A. S. , Sirunyants A. A. , Linchenko S. N. , Pukhnyak D. V. , Gerashyenko E. V. , Kamalyan Zh. A. , Staritskiy A. G.
Published: November 2018

The clinic-statistical analysis of complaints of Krasnodar citizens about the arterial hypertension according to the data of the first medical aid service has been performed to optimize the organizational and methodological approaches to prevention and medical service for population. As the material of the study the database of the complex automatic control system of emergency stations in 2015–2016 has been considered. The study has revealed that the arterial hypertension is one of the severest diseases in the structure of the cardiovascular pathologies in men of working age and older women which provides the significant working area for the first medical aid service and demands the principal reorganization in the activity of the out-patient and polyclinic departments responsible for the clinical examination of the population.
COMPARATIVE ANALYSIS OF AVAILABILITY AND QUALITY OF MEDICAL CARE OF A DOCTOR OF EMERGENCY MEDICINE
Authors: Miroshnichenko A. G. , Alimov R. R.
Published: November 2018

Comparative analysis of medical care availability and quality revealed that emergency care doctor delivered medical care more effective in comparison with a surgeon and therapeutist. Herewith decreased the  waiting time among patients of initial examination (from 17.0 to 9.0 min) and frequency of difference in diagnosis (from 22.8 to 24.6).
If You Build it Will They Come? Patients, Providers and Blockchains in Health Technology Assessment
Authors: Langley Paul , Martin Robert E
Published: November 2018

It is an open question as to whether blockchains can become an integral part of health care management in the US. On the one hand, there are the advocates of blockchains who see them as empowering patients to capture property rights to their medical records in a secure, encrypted, and portable form. On the other hand, there are blockchain critics that see the opportunities offered in health care as little different from those offered in other industries, viewing a blockchain structure as one that may reduce administrative and transaction costs, with little thought given to the potential of blockchain platforms to support a range of health technology assessment activities. While previous commentaries have pointed to this potential, the obstacles offered by the absence of clearly defined property rights and the absence of a market for DNA profiles have not been explored. The case put forward here is that any expectation that a blockchain as a ‘one-stop-shop’ for the interrogation of personal health records alone is unlikely to succeed. Apart from property rights effectively blocking this business model the blockchain vendor should consider targeted value added activities. At best, only a subset of records has the possibility of being transferred, with ongoing concerns regarding their quality and scope. This does not mean that the blockchain software model should be rejected. Far from it. The blockchain as a health technology assessment platform has the potential to support added value activities which not only improve the process of care and reduce costs and improve efficiencies, but also provide an ideal framework for property rights assignment. This opens the door to incentives and the monetization of value added health data by patients and providers, capturing rents that are at the moment expropriated by third parties. Critical issues are not only property rights and creation of a market place, but the ability to link and incentivize patients and their providers to support active blockchains to generate value added.

 

Article Type: Commentary
Challenges associated with Quartz Crystal Microbalance with Dissipation (QCM-D) as a wettability screening tool
Authors: Erzuah Samuel , Fjelde Ingebret , Omekeh Aruoture Voke
Published: November 2018

Wettability is an indispensable parameter in multiphase flow due to its profound effect in fluid phase distribution and flow properties in the oil reservoirs. One approach of unravelling the enigma associated with wettability characterization is to investigate oil adhesion onto reservoir rock surface during crude oil accumulation. This was accomplished using Quartz Crystal Microbalance with Dissipation (QCM-D) device. The QCM-D is a microbalance device that hinges on the changes in the frequency of a resonating crystal due to changes in the mass on sensor surface, precipitation, adsorption and desorption. However, this technique was confronted with numerous challenges during its early try-out. The objective of this study is to enumerate these challenges and how they were resolved. The piston-cell, valves, flow-lines and most of the experimental set-up were made from stainless steel. Hence, the high temperature coupled with high salinity brine resulted in the formation and deposition of corroded materials on the sensor. Due to the high sensitivity of the QCM-D technique, these corrosion deposits were detected via the high attenuation of the frequency signal as time elapsed during Formation Water (FW) injection. The second challenge was related to the dissolution of the thin sensor coatings (sensor etching) depicted by the relatively high increase in frequency signal with negligible changes in Dissipation (D). The third challenge was related to the trapping of fluids such as Stock Tank Oil (STO) inside the flow-cell. Finally, salt precipitation resulting from temperature variation during the initial experimental set-up was also observed. To resolve the corrosion challenge, all the stainless-steel components in the experimental set-up were replaced with titanium and non-metallic component such as peek materials. The sensor etching was also averted by injecting the brine through a packed column filled with similar mineral as the coatings on the sensor to attain equilibrium prior to injecting it onto the sensor. Geochemical simulation of the sensor etching was also confirmed using the geochemical simulator PHREEQ-C. Furthermore, the trapping of fluids inside the flow-cell was overcome by rotating the flow-cell to optimize the fluid displacement via capitalizing on their density contrast. Finally, the salt precipitation was avoided by conducting the experiment in a constant temperature experimental set-up. The QCM-D technique can be employed to estimate wettability by evaluating the tendency of the various minerals to adhere oil. The beauty of the QCM-D technique is that the surface interactions can be monitored on a real-time.
Competitividade e cooperação entre pequenas empresas de hospedagem:
Authors: Costa Helena Araujo , Fontes de Oliveira Franco Amanda
Published: November 2018

O objetivo do trabalho foi mapear as relações de cooperação entre hostels, entendidos como empresas de hospedagem de pequeno porte, e as vantagens resultantes destas ações. A pesquisa realizou um levantamento de dados primários a partir de questionários estruturados junto a 22 gerentes e/ou proprietários de empreendimentos nos bairros de Copacabana e Ipanema, na cidade do Rio de Janeiro. A análise de dados, de caráter quantitativo, aplicou ferramental estatístico descritivo e medidas de associação. Os resultados indicaram que poucas ações de cooperação eram realizadas pelos empreendimentos. A principal ação identificada foi a indicação de outros hostels quando o do respondente estava sem vagas. As vantagens percebidas em cooperar foram pouco expressivas. Nenhuma associação entre porte, tempo de atuação, localização e tipo de gestão foi encontrada com as ações de cooperação realizadas e seus resultados. A principal dificuldade para cooperar identificada foi a falta de interesse por parte dos empreendimentos, revelando indícios de que existe um menor interesse em estabelecer ações conjuntas quando as empresas reconhecem uma situação conjuntural favorável para elas.
IDENTIFIKASI DISPOSISI MATEMATIKA SISWA DALAM PEMBELAJARAN SOCRATES KONTEKSTUAL PADA MATERI SISTEM PERSAMAAN LINEAR DUA VARIABEL PADA SISWA KELAS VIII SMP
Authors: Mastuti Rima Ari
Published: November 2018

Penelitian ini bertujuan untuk mengidentifikasi  disposisi matematis siswa dalam pembelajaran Socrates kontekstual. Subjek penelitian ini adalah kelas VIII A SMP Negeri 3 Kedungwaru. Data penelitian ini merupakan data kualitatif deskriptif mengenai disposisi matematis siswa yang diperoleh melalui catatan lapangan, angket, dan dokumentasi. Indikator disposisi matematis adalah kepercayaan diri, kegigihan dan ketekunan, fleksibel, dan keingintahuan. Analisis data dilakukan melalui tiga tahapan, yaitu reduksi, penyajian, dan penarikan simpulan terhadap data. Berdasarkan hasil penelitian ini, diperoleh kesimpulan bahwa pembelajaran Socrates kontekstual dapat memunculkan disposisi matematis siswa.
KORELASI KECERDASAN NUMERIK DAN PEMAHAMAN KONSEPTUAL MATEMATIKA TERHADAP HASIL BELAJAR SISWA DALAM MENYELESAIKAN MASALAH SEGIEMPAT DAN SEGITIGA
Authors: Hidayah Nurul , Rohmah Mardhiana Ifadhotu
Published: November 2018

Penelitian ini adalah jenis penelitian kuantitatif yang bertujuan untuk mengetahui apakah ada hubungan yang simultan serta signifikan antara kecerdasan numerik dan pemahaman konseptual terhadap hasil belajar siswa kelas VII MTs Ash-Shufi pada materi segi empat dan segitiga. Penelitian dilakukan di MTs Ash-Shufi tahun ajaran 2017/2018 dengan sampel 1 kelas yang terdiri dari 30 siswa. Pengambilan sampel dilakukan dengan cara Simple Random Sampling. Analisis data pada penelitian ini yang pertama adalah menggunakan uji normalitas. Setelah data dinyatakan berdistribusi normal uji selanjutnya adalah uji korelasi sederhana melalui korelasi Product Moment dari Pearson. Uji yang terakhir digunakan adalah uji korelasi ganda. Dengan taraf signifikansi sebesar 0,05 diperoleh nilai probabilitas (sig.F change) pada tabel sebesar 0,005. Karena nilai sig.F change 0,005 < 0,05, maka keputusannya adalah Ho ditolak dan Ha diterima. Artinya, kecerdasan numerik dan pemahaman konseptual berhubungan secara bersama-sama (simultan) dan signifikan terhadap hasil belajar siswa kelas VII MTs Ash-Shufi pada materi segi empat dan segitiga.
KEMAMPUAN KOMUNIKASI MATEMATIS SISWA MELALUI PEMBELAJARAN CTL
Authors: Dewi Shinta Sangalia Sukmana , Afriansyah Ekasatya Aldila
Published: November 2018

Rendahnya kemampuan komunikasi matematis siswa jarang mendapatkan perhatian dan guru hanya berfokus pada aspek komputasi yang bersifat algoritmik sehingga menjadikan siswa kurang aktif dan cenderung pasif sehingga tidak dapat menyampaikan ide matematiknya. Salah satu strategi yang dapat dilakukan untuk meningkatkan kemampuan komunikasi matematis siswa adalah dengan menggunakan model pembelajaran CTL. Penelitian ini bertujuan untuk mengetahui peningkatan kemampuan komunikasi matematis siswa yang mendapatkan model pembelajaran CTL lebih baik dari pada siswa yang mendapatkan model pembelajaran Konvensional. Populasi dari penelitian ini adalah seluruh siswa kelas XI SMAN 16 Garut dengan sampel sebanyak dua kelas, yaitu: kelas XI-IPS 3 sebagai kelas kontrol yang mendapatkan model pembelajaran Konvensional dan kelas XI-IPS 2 sebagai kelas eksperimen yang mendapatkan model pembelajaran CTL. Materi yang digunakan dalam penelitian ini adalah Statistika. Instrumen penelitian ini berupa tes dengan bentuk uraian yang diberikan pada saat pretest dan postest serta diberikan tes skala sikap siswa. Dari hasil pretest diperoleh Ho Tidak diterima sehingga dapat disimpulkan bahwa tidak terdapat perbedaan kemampuan awal yang signifikan antara kelas yang mendapatkan model pembelajaran CTL dengan siswa yang mendapatkan model pembelajaran Konvensional. Dari hasil postes diperoleh bahwa Ha Tidak diterima sehingga dapat disimpulkan bahwa peningkatan kemampuan komunikasi matematis siswa yang mendapatkan model pembelajaran CTL lebih baik dari pada siswa yang mendapatkan model pembelajaran Konvensionali. Tingkat pencapaian materi siswa yang mendapatkan model CTL lebih baik dari pada siswa yang mendapatkan model pembelajaran Konvensional, tetapi daya serapnya masih rendah yaitu 29,73% yang memenuhi kriteria ketuntasan minimal. Skala sikap siswa diolah dengan menggunakan skala Likert dan dapat disimpulkan bahwa sikap siswa berinterpretasi cukup.Kata Kunci: Kemampuan Komunikasi Matematis, CTL, Konvensional.
EFEKTIVITAS MODEL PEMBELAJARAN CONCEPT ATTAINMENT DAN MODEL PEMBELAJARAN GUIDED DISCOVERY BERBANTUAN LECTORA TERHADAP KEMAMPUAN PEMAHAMAN KONSEP MATEMATIKA
Authors: Rasiman Rasiman , Rozana Etika , Sugiyanti Sugiyanti
Published: November 2018

Tujuan penelitian ini adalah untuk mengetahui efektivitas model pembelajaran concept attainment dan guided discovery berbantuan Lectora terhadap kemampuan pemahaman konsep matematika siswa materi Teorema Pythagoras. Penelitian ini dilakukan dengan metode penelitian Quasi Eksperimental Design di kelas VIII SMP Negeri 2 Jatibarang. Teknik sampling yang digunakan adalah cluster random sampling. Analisis pada penelitian ini dengan membandingkan nilai kemampuan pemahaman konsep saat posttest pada masing-masing kelas yang di teliti, yaitu pada kelas Eksperimen 1, Eksperimen 2, dan kelas kontrol. Dari hasil penelitian data awal yang dihitung menggunakan uji anava satu jalur dengan taraf signifikan 5% dan regresi linier sederhana. Hasil dari perhitungan penelitian ini menunjukkan bahwa; 1) Terdapat perbedaan rata-rata kemampuan pemahaman konsep matematika siswa yangmenggunakan model pembelajaran concept attainment berbantuan lectoradan guided discoveryberbantu lectora dan model pembelajaran konvensional. 2) Rata-rata kemampuan pemahaman konsep matematika siswa yang menggunakan model pembelajaran concept attainment dan berbantuan lectora lebih baik dari model pembelajaran konvensional. 3) Rata-rata kemampuan pemahaman konsep matematika siswa yang menggunakan model pembelajaran guided discoveryberbantuan lectora lebih baik dari model pembelajaran konvensional. 4) Rata-rata kemampuan pemahaman konsep matematika siswa yang menggunakan model pembelajaran concept attainment berbantuan lectoradan guided discoveryberbantu lectora mencapai KKM. 5) Terdapat pengaruh keaktifan siswa terhadap kemampuan pemahaman konsep matematika siswa yang menggunakan model pembelajaran concept Attainment berbantuan lectora dan guided discovery berbantu lectora.
Archival Ethnographic Films as a Historical Source
Authors:   Peter the Great Museum of Anthropology and Ethnography, Russian Academy of Sciences, St. Petersburg, Russian Federation, Golovnev Ivan A.
Published: November 2018

The article draws on text and visual archival documents to study nature and informative value of Soviet ethnographic films. Ethnographic cinema is a phenomenon almost unstudied by both ethnography and cinematology. Analyzing an illustrative experience of film director A. A. Litvinov and researcher V. K. Arsenyev, who were at tip of the spear in Soviet ethnocinema, the author investigates effective methodology of their scientific and cinematographic work: from script based on scientific texts to lengthy ethnographic filming expeditions to editing of the films assisted by scientific advisors. The choice of the chronological framework rests on the fact that late 1920s – early 1930s was a time of growth for ethnographic filming in the Soviet Union, characterized by both quantity and quality of ethnographic films. It was a time when a panorama of ethnographic films about different peoples of the multinational Soviet country was created, in production of the most significant of these professional scientists were involved. A series of ethnographic films about ethnic groups of Primorye (the Udege), Kamchatka (the Koryaks, the Lamuts), and Chukotka (the Chukchi), a collaboration of A. A. Litvinov and V.K. Arsenyev, received recognition from the public, and also from the scientific community. These film documents are among first photovisual records on the ethnography of the peoples of the Far East. From the point of view of ethnographic cinematology, the article concludes that ethnographic films, if approached scientifically, become a form of research, film as a ‘document’ of the period providing historical and ethnographic data. Little-studied archival ethnographic films are a promising area of research, well deserving being included into the scholarship. Their creators’ experience is of practical interest for modern ethno-cinematographers.
Stalin as Imagined by the Population of Soviet Russia in 1920s
Authors:   Acad. I. G. Petrovsky Bryansk State University, Bryansk, Russian Federation, Bryantsev Mikhail V.
Published: November 2018

Lenin's illness exacerbated struggles for succession among the ruling elite of Soviet and party leadership. While Trotsky's superiority seemed absolute, Stalin was coming to prominence. Using mechanisms of party influence, Stalin managed to force his opponents to the background and thus by 1926 took the place of the first party leader, to whom the population (mostly party comrades) increasingly turned. However, among the non-party masses there also rose voices of approval for Stalin's policy. It became obvious that he was to be established as Lenin’s sole successor. The task was facilitated by readiness of the population (primarily, peasants) to personify new power. However, analysis of ‘information’ materials, especially those preserved in provincial archives (of Bryansk, Gomel, Kaluga, Orel, and Smolensk) shows an ambiguity in perception of new leader by the population. Left in information vacuum and having little trust in official press, the population put credit in hearsay. Rumors that reached population (party members, before all) were unclear and incomprehensible. Many reprehended demands to harden attitude towards opposition, and even more, methods of combating it. Domestic and foreign policies, which increasingly became associated with Stalin’s name, were also found dissatisfactory. Even 1929 (Stalin’s 50th anniversary) with all praises sung and lip service paid, did not convince the population that Stalin was a worthy heir to Lenin. Any comparison was not in the former’s favor. However, when the collectivization began, Stalin’s figure became odious. The population was repelled by its methods and was not to be reassured by Stalin’s official speeches published in press. Resentment reached such a pitch that rumors sprang up about disagreements among Stalin's comrades-in-arms and even about his death, eagerly awaited by many. Stalin failed to convince even his fellow party members that his claims to the role of party theorist were justified.
Revisiting the Scope of Collaboration in the Days of the Great Patriotic War: A Case-Study of the Smolensk Region
Authors:   K. G. Razumovski Moscow State University of Technologies and Management (Vyazma branch), Vyazma, Russian Federation, Komarov Dmitriy E.
Published: November 2018

The article assesses the scope of collaboration in occupied Soviet territories in the days of the Great Patriotic War. This topic is a matter of intense debate in modern Russian scholarship. The most controversial issue is the extent to which Soviet citizens participated in events organized by invaders in occupied territories and the support which local population lent to occupation authorities. The article assesses potential threat of collaborationism in political, as well as economic terms. Having seized the richest and most economically developed regions of the country, the enemy could have significantly strengthened his military potential. National historiography has not yet integrated all data on stratification of local population in their stance toward invaders. It is an extremely difficult task to accomplish nationwide. As occupied territories were culturally, historically and socio-politically heterogeneous, it should be approached by studying republics and regions on a standalone basis. The case-study of the Smolensk region draws on archival materials to determine the share of Soviet citizens cooperating with occupation authorities within the framework of ‘administrative collaboration.’ It concludes that the number of Smolensk families whose members can be classified as ‘administrative collaborators,’ did not exceed 12%, whereas more than 9% of Smolensk families had members who took an active part in the struggle against invaders in the partisan detachments. Thus, the article demonstrates that two extreme irreconcilable phenomena in the occupied territories — collaborationism and partisans movement — were practically in balance. The absolute majority of Smolensk residents (almost 80%) did their utmost to avoid participation in both. Further developments in the Smolensk region proved that their ‘neutrality’ was conditional: the population remained loyal to the Soviet government and formed a social base for large-scale resistance to the occupation policy. Smolensk region became one of the centers of the partisan movement. To a certain extent, Smolensk data can be extrapolated to other western regions of the Russian non-black earth area.