bluuebunny/crossref_metadata_2025_split huggingface dataset:
Technique to Give Relevance to Calculated Oxygen Transfer During Cardiopulmonary Bypass
Authors: Riley Jeffrey B. , Heinemann Stanley O. , Cavanaugh D. Susan 
Published: September 2023

A technique to give relevance to results of oxygen transfer calculation during total cardiopulmonary bypass is presented.
An accurate calculation scheme to quantitate total blood oxygen transfer is outlined. Clinical relevance is given to the oxygen transfer calculation result by reporting the value as a percent of an expected oxygen transfer rate. An expected oxygen transfer value is predicted from large population metabolic rate study results employing patient sex, age, body surface area, and temperature.
Calculating the percent of expected oxygen consumption value will benefit the perfusionist by increasing the validity of CPB management decisions. The calculation of actual oxygen consumption will aid the perfusionist in selecting an appropriate artificial oxygenator ventilation rate and patient blood flow.
A New Method for the Conservation of Platelet Concentration During Extracorporeal Circulation
Authors: Jallad Munier S. , Winn Brad A. , Lein Timothy A. 
Published: September 2023

Pluronic F-68, a non-ionic polyol, was investigated for its effect on platelet conservation, platelet function, release reaction, and red blood cell hemolysis during cardiopulmonary bypass (CPB). Three groups of ten dogs each underwent CPB utilizing both normothermia and hypothermia. The control group (bubble oxygenator) did not receive any Pluronic F-68. Experimental group I (bubble oxygenator) and group II (membrane oxygenator) received 2 mg of Pluronic F-68 per milliliter of priming fluid.
After 10 minutes of normothermic CPB, the platelet concentration decreased significantly by 48%. The platelet concentration in group I significantly decreased by 38%, and in group II the decrease was a non-significant 8%. There was also an associated increase in the plasma concentration thromboxane B2 and platelet factor 4 in both the control group and group I. A significant increase in free plasma hemoglobin was observed in the control group. The increase in group I and II was not significant.
During hypothermia (20°C), a significant change in platelets, thromboxane B2, and platelet factor 4 was observed in all groups. After re-establishing normothermia, platelet concentration remained significantly low at 48% in the control group, whereas the platelet concentration in group I increased to 80%, a decrease of 20%, and in group II increased to 92%, a decrease of 8%. Free plasma hemoglobin, platelet factor 4 and thromboxane B2 remained significantly elevated in the control and group I. There was no significant elevation in platelet factor 4, free plasma hemoglobin, and thromboxane B2 in group III.
Pluronic F-68, an emulsifying agent, has therefore been shown to be effective in platelet preservation during CPB.
A Modified Approach to Percutaneous Insertion of the Intra-Aortic Balloon
Authors: Evans Nelson , Haselton Wilfred , Rubis Lorraine J. , Harrah John D. 
Published: September 2023

The perarterial intra-aortic balloon (PAIAB) insertion technique has been shown at our institution to significantly reduce ischemic complications common to intra-aortic balloon (lAB) use. This technique is a modification of the percutaneous insertion method and utilizes the same introducer system. The common femoral artery is exposed and the balloon inserted under direct visualization.
Forty-five consecutive patients underwent attempted (PAIAB) insertion. Successful passage on the first attempt was accomplished in 39 patients (87%) and in 42 patients (93%) when the contralateral femoral artery was employed. In three patients (7%), the balloon could not be passed via either femoral artery. In 36 patients, the balloons were inserted preoperatively for support of high risk left main or left main equivalent coronary artery disease or poor left ventricular function prior to anesthetic induction. Twenty-nine intra-aortic balloons were removed immediately post perfusion with no incidence of thrombus on the balloon or catheter. Thrombus was present on four of 13 intra-aortic balloons (31%) left in from one to seven days.
Balloon removal was accomplished in the operating room under direct vision which allows for assessment of the puncture site, thrombus removal, and arterial repair. Had the artery not been exposed, the four patients with thrombus present could have suffered limb ischemia.
A Rare Complication of the Percutaneous Intra-Aortic Catheter: Inadvertent Puncture during Surgery
Authors: Gough Jeffrey D. , Massimino Ronald J. , Stearns Gary T. , Martin John 
Published: September 2023

A 58 year-old male underwent urgent aorta-coronary bypass surgery for unstable angina. A 40cc. percutaneous intra-aortic balloon was inserted pre-operatively, resulting in good augmentation. No problems were observed in the Coronary Care Unit and the patient was stabilized.
Approximately 45 minutes post aorta-coronary bypass, diastolic augmentation drastically changed. During inspection of the balloon catheter, a Kelly clamp, partially occluding the catheter, was found. The Kelly clamp was removed and augmentation was resumed.
While preparing the patient for transport from the Operating Room to the Intensive Care Unit, augmentation by the Intra-aortic balloon pump was temporarily stopped. All attempts to resume augmentation were unsuccessful. Close visual inspection of the catheter showed 2 holes just proximal to the site of the Kelly clamp occlusion. It was later determined that these holes were made with a towel clamp. Effective repair of the catheter could not be made and the balloon was removed.
Étude rétrospective sur l’intérêt de l’imagerie 3D dans l’évaluation de la suture mésio-palatine
Authors: Soufflet Elise , Moison Romy , Sergent Jean-François , Khenafi Houcem , Veyssiere Alexis , Benateau Hervé 
Published: September 2023

L’étude de la suture méso-palatine (SMP) présente un intérêt majeur dans le traitement orthodontique des patients présentant une endomaxillie. Sa classification selon Angieleri et al. et grâce à l’imagerie en trois dimensions pourrait nous aider pour choisir la bonne technique de disjonction : chirurgicale ou orthopédique. Nous avons réalisé une étude rétrospective bicentrique avec une lecture en double aveugle sur des images de cone-beam obtenues entre 2017 et 2022. L’inclusion de 57 patients de 11 à 15 ans nous a permis de montrer que la SMP a plus tendance à être fermée chez les 14 15 ans que chez les 11 13 ans. Cependant des cas avec une SMP ouverte sont retrouvés dans toutes les tranches d’âge. Le sexe ne semble pas être un facteur déterminant sur la SMP.
La SMP étant parfois ouverte tardivement un cone-beam avant disjonction permettrait de choisir de manière individuelle la technique la plus appropriée.
Recherche de l’équilibre et de l’expressivité de la face. Avancées scientifiques
Authors: Benoît Roland , Leduc Jean-Pierre , Falque Elisabeth 
Published: September 2023

Cet article a l’ambition, pour l’étude de la mathématisation de la face, de développer une médecine de précision dans ce territoire crânio-facial.Avec le concours de la génétique, des cellules des crêtes neurales, de la morphogenèse de la face, nous allons présenter les muscles faciaux et préciser une construction mathématisée de face et de profil en coordination.Cette recherche permet un diagnostic individualisé du patient.
Satisfaction du patient et qualité de vie après une chirurgie orthognathique primaire : une revue systématique
Authors: Martinez Mallaury , Fawaz Paul , Vande Vannet Bart 
Published: September 2023

Objectifs : la chirurgie orthognathique permet une amélioration des fonctions masticatoires, phonétiques, respiratoires et sociales ainsi qu’une harmonisation du sourire et du visage quand l’orthodontie conventionnelle à elle seule est incapable de le faire. Ces traitements améliorent non seulement l’occlusion, mais aussi la confiance en soi, l’esthétique et la qualité de vie du patient. L’objectif de cette revue systématique est d’évaluer l’impact du protocole de chirurgie de première intention (SFA : Surgery first approach) sur la qualité de vie du patient et sa différence avec le protocole de traitement orthodontico-chirurgical conventionnel (COST : conventional orthodontic-surgical treatment).
Matériels et méthodes : la base de données MEDLINE via PUBMED a été consultée depuis janvier 2012 jusqu’en juin 2023. Après sélection des titres et des résumés, les études portant sur la qualité de vie des patients traités par chirurgie de première intention ont été incluses. La qualité méthodologique des études a été évaluée à l’aide du Cochrane Handbook for Systematic Reviews of Interventions et de l’échelle de Newcastle-Ottawa.
Résultats : uniquement les études cohorte et les essais contrôlés randomisés pouvaient être inclus dans notre étude. 7 études ont été incluses. L’essai contrôlé randomisé a été classé comme présentant un risque élevé de biais. Pour les études de cohorte, 3 ont été jugées comme ayant un faible risque de biais et les 3 autres avaient un risque de biais peu clair ou élevé. Les études ont toutes montré une amélioration de la qualité de vie des patients après un traitement orthodontico-chirurgical, qu’il s’agisse du protocole SFA ou COST. Des différences ont été constatées au cours du traitement. Les patients recevant le protocole SFA ont montré une amélioration immédiate de la qualité de vie au début du traitement. Cependant, aucune différence significative n’a été trouvée entre les deux protocoles, que ce soit avant ou après le traitement.
Conclusion : bien qu’il n’y ait pas eu de différence significative entre le groupe SFA et le groupe COST avant et après le traitement, le protocole SFA a permis d’éviter une détérioration de la qualité de vie pendant le traitement en inhibant l’aggravation de décalage squelettique par absence de décompensation orthodontiquepréalable. Les conséquences sont une plus grande satisfaction et motivation des patients pour la poursuite de leur traitement orthodontique, ce qui peut guider l’orthodontiste à choisir cette approche plutôt que l’approche conventionnelle.
Le Board Français d’Orthodontie
Authors: Matern Olivier 
Published: September 2023

La Commission du Board Français d’Orthodontie (BFO) de la Fédération Française d’Orthodontie (FFO) est chargée d’organiser et de gérer le Board Français d’Orthodontie. Cette Commission a été longtemps présidée par le Dr Claude Lemasson.
L’attestation du Board Français d’Orthodontie : le « Certificat d’Excellence en Pratique Orthodontique » vise à améliorer les résultats des traitements orthodontiques.
Apport des ancrages vissés dans les avulsions mono maxillaires des secondes prémolaires maxillaires en technique linguale : à propos d’un cas
Authors: Queralto Isabel , Bouallègue Imen 
Published: September 2023

Introduction : le recours aux extractions mono maxillaires de prémolaires peut constituer chez les patients adultes présentant une malocclusion de classe 2 une solution thérapeutique de choix lorsqu’il existe peu ou pas de dysharmonie dents-arcade d’origine mandibulaire. Les avulsions des deuxièmes prémolaires sont souvent à privilégier à celles des premières prémolaires, pour des raisons tant occlusales qu’esthétiques. Cependant, elles se heurtent en technique linguale, notamment du fait de la plus grande difficulté d’ancrage, à de nombreux effets parasites. Le recours à des ancrages vissés dans la zone palatine s’avère être un auxiliaire idéal.
Matériel et méthode : le but de cet article est de présenter grâce à un cas clinique, un dispositif d’ancrage palatin dans la région palatine médiane : le Bitripod Anchor Plate (BAP). Puis, face à une intolérance au niveau de ce site, une alternative en zone palatine paramédiane : le Palatal Retractor Device (PRD).
Discussion : les avantages et inconvénients de ces ancrages sont ensuite comparés entre eux et à d’autres alternatives.
Conclusion : en technique linguale, il est important d’utiliser l’ancrage adapté selon les mouvements nécessaires pour aboutir aux objectifs du plan de traitement. Pour cela, le recours aux ancrages palatins fait partie de nos jours du Gold Standard. La maîtrise de leurs propriétés permet de s’adapter à la situation clinique de chaque patient pour s’assurer d’une pose sécurisée.
Caesarean Scar Pregnancy: Single Dose of Intrasac Ultrasound-Guided
Methotrexate Injection Seems to be a Safe Option for Treatment
Authors: Rouvalis Angeliki , Vlastarakos Panagiotis , Daskalakis Georgios , Pouliakis Abraham , Stavrou Sofoklis , Tsiriva Maria , Giourga Maria , Gerede Angeliki , Pappa Kalliopi , Gregoriadis Themos , Vlachos Dimitrios-Efthymios , Rodolakis Alexandros , Domali Ekaterini 
Published: September 2023

AbstractThe purpose of the study was to assess the efficacy of local
ultrasound-guided methotrexate injection in patients with caesarean section scar
pregnancy, to chart the course of beta-human chorionic gonadotropin levels (HCG)
after treatment, and to see if HCG levels are correlated with clinical
presentation.Between May 2018 and January 2021, data were collected
retrospectively from the Early Pregnancy Unit of a tertiary hospital.Our clinic assessed 20 patients; one disputed terminating the
pregnancy and was not included in the research. The remaining 19 patients, with
a median age of 34 years, received intragestational sac methotrexate injection
under ultrasound guidance. 7w3d was the median gestational age. These women had
one to four previous caesarean sections, with a mean of 1.60±9. Patients
with caesarean scar pregnancy most typically presented with spotting
(42.1%), whereas 26.3% were asymptomatic. Except in cases of
pain, the symptomatic women’s HCG levels were lower than in the
non-symptomatic women. The level of HCG in patients with pain was approximately
double that of non-pain patients (p=0.2557). In our series,
intragestational sac methotrexate injection was effective in 17/19
women, or 89.5% (95%CI: 75.7-100%). HCG levels were
undetectable in 97.6±30 days on average (minimum: 42 days, maximum: 147
days).Caesarean scar pregnancy is a rare possibly fatal condition
with no consensus on the optimal treatment. An experienced Early Pregnancy Unit
member performing local methotrexate injections under ultrasound guidance is a
feasible and successful strategy in clinically stable patients.
Patient safety incidents in endoscopy: a human factors analysis of nonprocedural significant harm incidents from the National Reporting and Learning System (NRLS)
Authors: Ravindran Srivathsan , Matharoo Manmeet , Rutter Matthew David , Ashrafian Hutan , Darzi Ara , Healey Chris , Thomas-Gibson Siwan 
Published: September 2023

Abstract
Background Despite advances in understanding and reducing the risk of endoscopic procedures, there is little consideration of the safety of the wider endoscopy service. Patient safety incidents (PSIs) still occur. We sought to identify nonprocedural PSIs (nPSIs) and their causative factors from a human factors perspective and generate ideas for safety improvement.
Methods Endoscopy-specific PSI reports were extracted from the National Reporting and Learning System (NRLS). A retrospective, cross-sectional human factors analysis of data was performed. Two independent researchers coded data using a hybrid thematic analysis approach. The Human Factors Analysis and Classification System (HFACS) was used to code contributory factors. Analysis informed creation of driver diagrams and key recommendations for safety improvement in endoscopy.
Results From 2017 to 2019, 1181 endoscopy-specific PSIs of significant harm were reported across England and Wales, with 539 (45.6%) being nPSIs. Five categories accounted for over 80% of all incidents, with “follow-up and surveillance” being the largest (23.4% of all nPSIs). From the free-text incident reports, 487 human factors codes were identified. Decision-based errors were the most common act prior to PSI occurrence. Other frequent preconditions to incidents were focused on environmental factors, particularly overwhelmed resources, patient factors, and ineffective team communication. Lack of staffing, standard operating procedures, effective systems, and clinical pathways were also contributory. Seven key recommendations for improving safety have been made in response to our findings.
Conclusions This was the first national-level human factors analysis of endoscopy-specific PSIs. This work will inform safety improvement strategies and should empower individual services to review their approach to safety.
Theoretical Accuracy of the Raytracing Method for Intraocular Calculation of
Lens Power in Myopic Eyes after Small Incision Extraction of the Lenticule
Authors: Wei Yinjuan , Liu Yianzhu , Li Hongyu , Song Hui 
Published: September 2023

Abstract
Aim To evaluate the accuracy of the raytracing method for the calculation of
intraocular lens (IOL) power in myopic eyes after small incision extraction of the
lenticule (SMILE).
Methods Retrospective study. All patients undergoing surgery for myopic SMILE
between May 1, 2020, and December 31, 2020, with Scheimpflug tomography optical biometry
were eligible for inclusion. Manifest refraction was performed before and 6 months after
refractive surgery. One eye from each patient was included in the final analysis. A
theoretical model was invited to predict the accuracy of multiple methods of lens power
calculation by comparing the IOL-induced refractive error at the corneal plane (IOL-Dif)
and the SMILE-induced change of spherical equivalent (SMILE-Dif) before and after SMILE
surgery. The prediction error (PE) was calculated as the difference between
SMILE-Dif–IOL-Dif. IOL power calculations were performed using raytracing (Olsen
Raytracing, Pentacam AXL, software version 1.22r05, Wetzlar, Germany) and other formulae
with historical data (Barrett True-K, Double-K SRK/T, Masket, Modified Masket) and without
historical data (Barrett True-K no history, Haigis-L, Hill Potvin Shammas PM, Shammas-PL)
for the same IOL power and model. In addition, subgroup analysis was performed in
different anterior chamber depths, axial lengths, back-to-front corneal radius ratio,
keratometry, lens thickness, and preoperative spherical equivalents.
Results A total of 70 eyes of 70 patients were analyzed. The raytracing method had
the smallest mean absolute PE (0.26 ± 0.24 D) and median absolute PE (0.16 D), and also
had the largest percentage of eyes within a PE of ± 0.25 D (64.3%), ± 0.50 D (81.4%),
± 0.75 D (95.7%), and ± 1.00 D (100.0%). The raytracing method was significantly better
than Double-K SRK/T, Haigis, Haigis-L, and Shammas-PL formulae in postoperative refraction
prediction (all p < 0.001), but not better than the following formulae: Barrett True-K
(p = 0.314), Barrett True-K no history (p = 0.163), Masket (p = 1.0), Modified Masket
(p = 0.806), and Hill Potvin Shammas PM (p = 0.286). Subgroup analysis showed that
refractive outcomes exhibited no statistically significant differences in the raytracing
method (all p < 0.05).
Conclusion Raytracing was the most accurate method in predicting target refraction
and had a good consistency in calculating IOL power for myopic eyes after SMILE.
Knowledge and Confidence of Omani Pediatric Residents in Managing Diabetic Ketoacidosis: A Cross-Sectional Survey
Authors: Al-Rawahi Maryam , Alsaffar Hussain 
Published: September 2023

AbstractIntroduction Diabetic ketoacidosis (DKA) is a common complication of type 1 diabetes mellitus. Unfortunately, medical errors are not uncommon during the management of DKA leading to significant morbidity and mortality. There are many studies conducted to assess the knowledge of junior doctors in the management of DKA in many countries including Bahrain and Iraq.Objectives This study aims to assess the knowledge and confidence of Omani pediatric residents in the management of DKA and compare the findings with the results of previous studies from the region.Materials and Methods A cross-sectional study was conducted among all enrolled pediatric residents in the Oman Medical Specialties Board in 2021, using an online survey that consists of three parts with a total of 30 questions to gain information about demographics, knowledge, and overall confidence in the management of DKA in children. The questionnaire was adopted from the Bahraini and Iraqi studies.Results In total, 69 pediatric residents (15M:54F) out of 84 had responded to the survey, giving a response rate of 82%. More than half of the responders were junior residents R1 and R2 (59.3%). The overall performance score of knowledge among the residents mainly ranged between 50 and 75%. However, R2 resident performance was better as their score ranged between 80 and 85%. Only 5.7% of our residents had a performance score above 90%. The overall confidence of residents in managing patients with DKA was directly proportional to their year of residency, ranging from not confident to very confident, demonstrating that most residents from R1 to R3 rated themselves as “fair” compared with 58.3% of 4th-year residents who rated themselves as confident. In comparison to similar studies in Bahrain and Iraq, our junior residents showed better knowledge in some aspects, for example, identifying the correct biochemical criteria to diagnose DKA, 88.7 vs. 65% from Bahrain and 20.7% from Iraq.Conclusion The overall knowledge and confidence of the Omani pediatric residents were satisfying. However, there are still some gaps in knowledge to be bridged about the management of pediatric DKA. Continuous educational activities are desired. Therefore, more sessions about DKA management are to be scheduled, perhaps applying some simulation training to boost their knowledge and confidence.
A Safe and Innovative Method to Apply Venous Coupler in Oncologic Head and Neck Reconstruction
Authors: Naalla Ravikiran 
Published: September 2023

AbstractVenous anastomosis with a coupler device is an effective alternative to the hand-sewn anastomosis technique. Twist in the veins following a coupler anastomosis is a troublesome complication that needs a revision of venous anastomosis. The author proposes a simple technique to reduce the incidence of this complication. This technique is particularly useful in head and neck reconstruction and for beginners in the initial part of the learning curve.
Going “beyond the GDP” in the digital economy: exploring the relationship between internet use and well-being in Spain
Authors: Suárez Álvarez Ana , Vicente María R. 
Published: September 2023

AbstractIn recent years, as Internet use has become more widespread, the use of “beyond-GDP” measures have become increasingly important, bringing well-being analysis into a more prominent position within scientific research topics. At the same time, our society is going through a deep process of digital transformation, which is characterized by important digital inequalities, mainly rooted in traditional socio-economic divides between and within population groups. The aim of this paper is to explore the relationship between internet use and individuals’ perceived levels of well-being. Five dimensions of well-being are studied: happiness, life satisfaction, social meetings, personal connections and social life participation. The modelling strategy consists of a set of three-simultaneous equations, in which the first one explains individuals’ internet use; the second one, the intensity of usage (measured by the time spent on the internet) and the third one, focuses on the impact of such intensity on well-being. To estimate such models microdata from two rounds (2016 and 2018) of the European Social Survey (ESS) are collected for Spain. Results show that the effect of internet usage depends on the dimension of well-being considered, being negative for happiness, life satisfaction and meetings but positive as regards connections and participation. Furthermore, the relationship between individuals’ well-being and internet use depends, to a large extent, on the socio-economic and socio-demographic characteristics of the individuals.