bluuebunny/crossref_metadata_2025_split huggingface dataset:
A retrospective study of treatment of genu valgum/varum with guided growth: Risk factors for a lower rate of angular correction
Authors: Ding Jing , Dai Zhen-Zhen , Li Chang-You , Zhang Zhi-Qiang , Wu Zhen-Kai , Cai Qi-Xun 
Published: March 2021

The rate of angular correction (ROAC) is very unpredictable and may be affected by various factors in the treatment of genu valgum and varum by means of guided growth. The purpose of this study was to assess the ROAC in cases from our institution and to identify risk factors associated with the occurrence of lower ROAC. We retrospectively reviewed the chart records of 68 patients undergoing guided growth with figure-eight plate for the correction of genu valgum and varum. Based on the data from these patients, the annual increment of physeal growth was calculated and compared with data from the Anderson chart. The associations between patient characteristics and ROAC were evaluated with the use of univariate logistic regression. The mean rate of femoral angular correction was 10.29 degrees/year, while the mean rate of tibial angular correction was 7.92 degrees/year. In a univariate logistic regression analysis, the variables associated with a higher risk of lower ROAC included non-idiopathic coronal deformity of the knee (odds ratio = 13.58, p < 0.001) and body weight at or above the 95th percentile for children (odds ratio = 2.69, p = 0.020). Obesity and non-idiopathic coronal deformity of the knee are risk factors for lower ROAC. It is still uncertain whether severity of deformity, race, and operative procedure have a substantial effect on the rate of correction. Level III evidence.
Remifentanil provides an increased proportion of time under light sedation than fentanyl when combined with dexmedetomidine for mechanical ventilation
Authors: Aoki Yoshitaka , Niwa Takuya , Shiko Yuki , Kawasaki Yohei , Mimuro Soichiro , Doi Matsuyuki , Nakajima Yoshiki 
Published: March 2021

Objective To compare the effects of remifentanil versus fentanyl during light sedation with dexmedetomidine in adults receiving mechanical ventilation (MV) in the intensive care unit. Methods In this retrospective cohort study, we compared the use of remifentanil versus fentanyl in adults receiving MV with dexmedetomidine sedation. The primary outcome was the proportion of time under light sedation (Richmond Agitation–Sedation Scale score between −1 and 0) during MV. Results We included 94 patients and classified 58 into the remifentanil group and 36 into the fentanyl group. The mean proportion of time under light sedation during MV was 66.6% ± 18.5% in the remifentanil group and 39.9% ± 27.3% in the fentanyl group. In the multivariate analysis with control for confounding factors, patients in the remifentanil group showed a significantly higher proportion of time under light sedation than patients in the fentanyl group (mean difference: 24.3 percentage points; 95% confidence interval: 12.9–35.8). Conclusions Remifentanil use might increase the proportion of time under light sedation in patients receiving MV compared with fentanyl administration.
Granulosa cell ovarian cancer with synchronous multiple bone metastases: case report of extreme rarity
Authors: Laios Alexandros , Tan Yong Sheng , Pathak Darshana , Weston Michael , Anderson Juliette , Munot Sarika , Nugent David , Theophilou George 
Published: March 2021

Background: Adult granulosa cell tumor (AGCT) of the ovary generally has a good prognosis. Recurrences tend to be late and confined to the abdominopelvis. Bone metastases are extremely rare. We report an extremely rare case of AGCT with synchronous multiple bone metastases and discuss diagnostic procedures and management. Case description: A 35-year-old woman presented with abdominal bloating. On the day of surgery, acting on the complaint of right shoulder pain, an X-ray revealed a permeative lesion involving the neck of humerus, suggestive of a metastatic pathologic fracture. The patient underwent a full staging debulking surgery. Further imaging demonstrated multiple bone metastases. Histology confirmed an AGCT of the ovary. Diagnosis was established by a core bone biopsy from the left femur showing cells consistent with those seen with granulosa cell tumor. The patient received adjuvant chemotherapy with concurrent zoledronic acid as targeted therapy for her bone metastases. Endocrine systemic maintenance treatment was given. The patient rapidly deteriorated and died from her disease at 20 months from the initial diagnosis. Conclusion: Unpredictable biological behavior and clinical manifestations raise a high degree of suspicion for accurate AGCT diagnosis. Management of bone metastases often warrants input from the multidisciplinary team, and treatment may involve chemotherapy, palliative radiotherapy, or orthopaedic interventions.
Association between hyperlipidemia and prostatic enlargement: A case-control study
Authors: Erbay Güven , Ceyhun Gökhan 
Published: March 2021

Objective: A high-fat diet is associated with the development of benign prostatic enlargement (BPE), but whether hyperlipidemia is associated with BPE remains unclear. This study aimed to evaluate whether hyperlipidemia is a risk factor for the development of BPE. Material and methods: This study included 265 BPE patients with lower urinary tract symptoms (LUTS) and 248 age-matched healthy individuals without LUTS. The patient and control groups included in the study were compared in terms of fasting serum glucose, serum lipid values, prostate specific antigen (PSA), and prostate size measured by abdominal ultrasonography. Results: The prostate sizes of the patient and healthy control group were 59.4 ± 12.6 and 41.8 ± 11.1 ml, respectively ( p = 0.007). It was observed that the mean PSA value of the patient group (2.33 ± 1.69) was statistically higher than that of the control group (1.21 ± 1.05) ( p = 0.002). Total cholesterol and LDL-cholesterol were significantly higher and HDL-cholesterol was significantly lower among the patients compared to the controls. Prostate size had a negative correlation with HDL-cholesterol and a positive correlation with LDL-cholesterol and total cholesterol. Additionally, LDL-cholesterol and total cholesterol were independent risk factors for prostate enlargement. Conclusion: This study indicates that increased levels of LDL-cholesterol and total cholesterol are significantly associated with the enlargement of the prostate. Hyperlipidemia may be one of the risk factors in the processes of prostatic growth and progression.
Mon expérience de Rédacteur en chef de Recherche et Applications en Marketing : mémoire d’un pionnier
Authors: Jallais Joël 
Published: March 2021

Mon expérience comme Rédacteur en chef de la revue RAM est celle d’un pionnier avec des enjeux et contraintes spécifiques des années 1987–1990, dans l’édition scientifique : 1) alimenter en articles de recherche de qualité une toute nouvelle revue francophone auprès d’une communauté d’enseignants universitaires, pas encore rompue à cette activité ; 2) relever le défi de faire fonctionner selon des standards internationaux une revue reposant sur seul bénévolat, dans le contexte technique de cette époque.
The Fear of COVID-19 Infection in Older People
Authors: Gokseven Yagmur , Ozturk Guzin Zeren , Karadeniz Ecem , Sarı Ecem , Tas Beray Gelmez , Ozdemir Hacı Mustafa 
Published: March 2021

Objective: To determine the levels of COVID-19-related fear and to investigate fear-associated factors among older people. Methods: This study was conducted with patients aged 65 years and older from the Family Medicine Clinic of Health Sciences University Şişli Hamidiye Etfal Hospital over a 1-month period. A telephone survey was administered to evaluate patients’ sociodemographic data and knowledge level on the COVID-19 pandemic and the degree of its impact. The fear levels of participants were determined using the fear of COVID-19 scale (FCV-19 S). Statistical analysis was performed using SPSS 15.0. A p value of < 0.05 was considered to be statistically significant. Results: The study included 315 participants: 178 were female and 137 were male. The mean age was 71.5 ± 5.6 (min: 65, max: 94) years, and 26 participants were living alone. Moreover, 47.6% participants considered they had sufficient information about the COVID-19 outbreak, and 61.6% received information about the pandemic from television and 22.2% from their inner circle. While 11.7% participants considered they would require psychological support after the COVID-19 pandemic, 30.8% had sleep disorders for the last month. The mean FCV-19 S score was 16.0 ± 6.4; the FCV-19 S scores were statistically higher in participants who were women, living alone, had partial information about the COVID-19 pandemic, had sleep disorders for the last month, and were in requirement of psychological support after the pandemic. Conclusion: It is necessary to screen the older people for the COVID-19-related fear and accompanying psychological disorders and to develop appropriate intervention programs for individuals at risk.
Psychopathology in Elderly COVID-19 Survivors and Controls
Authors: Mowla Arash , Ghaedsharaf Mehrnoosh , Pani Azadeh 
Published: March 2021

Background: The highly infectious and pathogenic coronavirus-19 (COVID-19) has emerged to cause a global pandemic. In this cross-sectional comparative study, our objective is to compare the depression and anxiety symptoms in elderly COVID-19 survivors with a control group. Method: 69 elderly COVID-19 survivors (age 65 or older) within 2 weeks post-discharge were assessed for anxiety and depression symptoms by a package of self-rating scales (Geriatric Anxiety Scale-10 (GAS-10), Geriatric Depression Scale-15 (GDS-15) and General Health Questionar-28 (GHQ-28)). Their scores were compared with a group of aged-matched residents without COVID-19 in their community. Results: The mean scores on GAS-10, GDS-15 and GHQ-28 in the COVID-19 survivors group and control group were 12.06 vs. 6.53 (p < .001), 12.48 vs. 5.73 (p < .001), 52.7 vs. 29.8 (p < .001), respectively. All of the COVID-19 survivors and 60% of the controls had scores in the pathological range of GHQ-28 scale. A total of 93.2% of COVID-19 survivors revealed anxiety symptoms in GAS-10 scale. This rate was 60% in the control group. A total of 86.6% of COVID-19 survivors compared to 46.6% of the controls reported symptoms of depression in GDS-15 scale. Conclusion: The rate of depression and anxiety symptoms in elderly COVID-19 survivors and controls found to be high during the pandemic. However, COVID-19 survivors significantly suffered more.
Ultrasound-guided cannulation of the superficial femoral vein for central venous access
Authors: Annetta Maria Giuseppina , Marche Bruno , Dolcetti Laura , Taraschi Cristina , La Greca Antonio , Musarò Andrea , Emoli Alessandro , Scoppettuolo Giancarlo , Pittiruti Mauro 
Published: March 2021

Background: In some clinical conditions, central venous access is preferably or necessarily achieved by threading the catheter into the inferior vena cava. This can be obtained not only by puncture of the common femoral vein at the groin, but also—as suggested by few recent studies—by puncture of the superficial femoral vein at mid-thigh. Methods: We have retrospectively reviewed our experience with central catheters inserted by ultrasound-guided puncture and cannulation of the superficial femoral vein, focusing mainly on indications, technique of venipuncture, and incidence of immediate/early complications. Results: From June 2020 to December 2020, we have inserted 98 non-tunneled central venous catheters (tip in inferior vena cava or right atrium) by ultrasound-guided puncture of the superficial femoral vein at mid-thigh or in the lower third of the thigh, all of them secured by subcutaneous anchorage. The success of the maneuver was 100% and immediate/early complications were negligible. Follow-up of hospitalized patients (72.5% of all cases) showed only one episode of catheter dislodgment, no episode of infection and no episode of catheter related thrombosis. Conclusions: The ultrasound approach to the superficial femoral vein is an absolutely safe technique of central venous access. In our experience, it was not associated with any risk of severe insertion-related complications, even in patients with low platelet count or coagulation disorders. Also, the exit site of the catheter at mid-thigh may have advantages if compare to the exit site in the inguinal area.
Juxtacortical susceptibility changes in progressive multifocal leukoencephalopathy at the gray–white matter junction correlates with iron-enriched macrophages
Authors: Mahajan Kedar R , Amin Moein , Poturalski Matthew , Lee Jonathan , Herman Danielle , Zheng Yufan , Androjna Caroline , Howell Mark , Fox Robert J , Trapp Bruce D , Jones Stephen E , Nakamura Kunio , Ontaneda Daniel 
Published: March 2021

Objective: Describe magnetic resonance imaging (MRI) susceptibility changes in progressive multifocal leukoencephalopathy (PML) and identify neuropathological correlates. Methods: PML cases and matched controls with primary central nervous system lymphoma (PCNSL) were retrospectively identified. MRI brain at 3 T and 7 T were reviewed. MRI-pathology correlations in fixed brain autopsy tissue were conducted in three subjects with confirmed PML. Results: With PML ( n = 26 total, n = 5 multiple sclerosis natalizumab-associated), juxtacortical changes on susceptibility-weighted imaging (SWI) or gradient echo (GRE) sequences were noted in 3/3 cases on 7 T MRI and 14/22 cases (63.6%) on 1.5 T or 8/22 (36.4%) 3 T MRI. Similar findings were only noted in 3/25 (12.0%) of PCNSL patients (odds ratio (OR) 12.83, 95% confidence interval (CI), 2.9–56.7, p < 0.001) on 1.5 or 3 T MRI. On susceptibility sequences available prior to diagnosis of PML, 7 (87.5%) had changes present on average 2.7 ± 1.8 months (mean ± SD) prior to diagnosis. Postmortem 7 T MRI showed SWI changes corresponded to areas of increased iron density along the gray–white matter (GM-WM) junction predominantly in macrophages. Conclusion: Susceptibility changes in PML along the GM-WM junction can precede noticeable fluid-attenuated inversion recovery (FLAIR) changes and correlates with iron accumulation in macrophages.
Quality improvement education innovation: evaluation of Coursera MOOC ‘Take the Lead on Healthcare Quality Improvement’
Authors: Reese Denice , Dolansky Mary A , Moore Shirley M , Bolden Heather , Singh Mamta K 
Published: March 2021

Background Massive open online courses have the potential to enable dissemination of essential components of quality improvement learning. Subsequent to conducting the massive open online course ‘Take the Lead on Healthcare Quality Improvement’, this paper is a report of the evaluation of the course’s effectiveness in increasing healthcare professionals’ quality improvement knowledge, attitudes, self-efficacy and systems thinking. Methods Using the Kirkpatrick model for evaluation, a pretest–posttest design was employed to measure quality improvement knowledge, attitude, self-efficacy and systems thinking. Interprofessional learners across the globe enrolled in the 5-week online course that consisted of 10 modules (short theory bursts, assignments and assessments). The objective of the course was to facilitate learners’ completion of a personal or clinical project. Of the 5751 learners enrolled, 1415 completed the demographic survey, and 88 completed all the surveys, assignments and assessments. This paper focuses on the 88 who completed the course. Results There was a significant 14% increase in knowledge, a 3.5% increase in positive attitude, a 3.9% increase in systems thinking and a 21% increase in self-efficacy. Learners were very satisfied with the course (8.9/10). Conclusions Learners who completed the course ‘Take the Lead on Healthcare Quality Improvement’ had significant gains in learner outcomes: quality improvement knowledge, attitude, self-efficacy and systems thinking supporting this course format’s efficacy in improving key components of students’ quality improvement capabilities.
Effect of sodium-glucose cotransporter 2 inhibitor in patients with non-alcoholic fatty liver disease and type 2 diabetes mellitus: a propensity score-matched analysis of real-world data
Authors: Arai Taeang , Atsukawa Masanori , Tsubota Akihito , Mikami Shigeru , Ono Hiroki , Kawano Tadamichi , Yoshida Yuji , Tanabe Tomohide , Okubo Tomomi , Hayama Korenobu , Nakagawa-Iwashita Ai , Itokawa Norio , Kondo Chisa , Kaneko Keiko , Emoto Naoya , Nagao Mototsugu , Inagaki Kyoko , Fukuda Izumi , Sugihara Hitoshi , Iwakiri Katsuhiko 
Published: March 2021

Background: Although sodium-glucose cotransporter 2 inhibitors (SGLT2-Is) improve not only glycemic control but also liver inflammation and fatty changes in patients with non-alcoholic fatty liver disease (NAFLD) and type 2 diabetes mellitus (T2DM), its sustainability and effect on liver fibrosis have remained unclear. The current study aimed to clarify the effects of 48-week SGLT2-I therapy on liver inflammation, fatty changes, and fibrosis in NAFLD patients with T2DM. Methods: This study evaluated the effects of SGLT2-I on NAFLD, including liver fibrosis assessed via transient elastography, in 56 patients with NAFLD who received SGLT2-I for 48 weeks. Moreover, changes in each clinical parameter between patients receiving SGLT2-I (the SGLT2-I group) and those receiving other oral hypoglycemic agents (OHAs) (the non-SGLT2-I group) were compared, using 1:1 propensity score matching to adjust for baseline factors. Results: The SGLT2-I group exhibited a significant decrease in controlled attenuation parameter (312 dB/m at baseline to 280 dB/m at week 48) and liver stiffness measurement (9.1–6.7 kPa) ( p < 0.001 for both). After propensity score matching (44 patients each in the SGLT2-I and non-SGLT2-I groups), no significant difference in HbA1c decrease was observed between the two groups. However, compared with the non-SGLT2-I group, the SGLT2-I group showed a significant decrease in body weight ( p < 0.001), alanine aminotransferase ( p = 0.02), uric acid ( p < 0.001), and Fibrosis-4 (FIB-4) index ( p = 0.01) at week 48. The improvement in FIB-4 index, defined as a ⩾10% decline from baseline at week 48, was 56.8% (25/44) in the SGLT2-I group and 20.5% (9/44) in the non-SGLT2-I group ( p < 0.001). Conclusion: SGLT2-Is improved not only glycemic control but also liver fatty infiltration and fibrosis in patients with NAFLD and T2DM, suggesting their possible superiority to other OHAs concerning these effects.
Surgical Treatment Outcomes for Everted Bursal Flap of Delaminated Supraspinatus Tear
Authors: Kim Hyungsuk , Byun Chu Hwan , Han Sung Bin , Song Hyun Seok 
Published: March 2021

Background: Although everted bursal flaps of delaminated tears have been reported, few studies have reported radiologic images, arthroscopic findings, and clinical results after repair. Purpose: To compare the repair outcomes of everted delaminated tears with those of classic delaminated supraspinatus tears. Study Design: Cohort study; Level of evidence, 3. Methods: Among 153 patients who underwent arthroscopic rotator cuff repair for a delaminated supraspinatus tear, everted bursal flap tears were observed in 24 patients upon arthroscopy (group A). Another 24 patients with classic delaminated supraspinatus tears, matched for age and sex, were selected for group B. Magnetic resonance imaging (MRI) and ultrasonography were performed preoperatively and postoperatively. Patients were evaluated using a visual analog scale (VAS) for pain as well as functional scores (American Shoulder and Elbow Surgeons [ASES] score, Constant score, and University of California Los Angeles shoulder score). Scores were compared preoperatively and at final follow-up (mean follow-up, 32 months). Results: Patients in both groups A and B reported improved VAS and functional scores at the final follow-up. In group A, preoperative VAS scores were higher and functional scores were poorer than in group B. Subacromial effusions with tendon swelling on preoperative MRI were more common in group A. During follow-up ultrasonography, group A patients exhibited persistent subacromial effusion. However, VAS scores at final follow-up were significantly better in group A (0.4 ± 0.7) than in group B (1.6 ± 1.4) ( P < .001), and ASES scores at final follow-up were better in group A (84.3 ± 4.3) than in group B (77.0 ± 10.2) ( P = .005). Conclusion: Everted bursal flap delaminated tears were associated with higher VAS scores and poorer functional scores preoperatively. Although subacromial effusions were experienced by group A during the early postoperative period, clinical outcomes at final follow-up were significantly better for everted delaminated tears compared with classic delaminated tears.
Rheumatologic diseases impact the risk of progression of MGUS to overt multiple myeloma
Authors: Steiner Normann , Göbel Georg , Michaeler Daniela , Platz Anna-Luise , Prokop Wolfgang , Wolf Anna Maria , Wolf Dominik , Duftner Christina , Gunsilius Eberhard 
Published: March 2021

AbstractMonoclonal gammopathy of undetermined significance (MGUS), a premalignant condition, is associated with various chronic inflammatory rheumatic diseases (RDs) and is frequently observed as an incidental finding during routine work-up. The association of MGUS and chronic RDs is well established, but the impact of RDs on the risk of transformation into overt multiple myeloma (MM) has not been evaluated so far. MGUS patients diagnosed between January 2000 and August 2016 were identified and screened for concomitant RDs. RDs were grouped into antibody (Ab)-mediated RDs and non-Ab–mediated RDs (polymyalgia rheumatica, large-vessel giant cell arteritis, spondyloarthritis, and gout). Progression to MM was defined as a categorical (yes/no) or continuous time-dependent (time to progression) variable. Of 2935 MGUS patients, 255 (9%) had a concomitant RD. MGUS patients diagnosed with non-Ab–mediated RDs had a doubled risk of progression compared with those without a concomitant RD (hazard ratio, 2.1; 95% CI, 1.1-3.9; P = .02). These data translate into a 5-year risk of progression of 4% in MGUS patients without rheumatologic comorbidity, 10% in those with concomitant non-Ab–mediated RDS, and 2% in those with Ab-mediated RDs. By using the complex risk stratification model that includes myeloma protein (M-protein) concentration, immunoglobulin type, and level of free light chain ratio as variables, patients with non-Ab–mediated RDs (n = 57) had the highest risk for progression (hazard ratio, 6.8; 95% CI, 1.5-30.7; P = .01) compared with patients with Ab-mediated RDs (n = 77). Chronic inflammatory diseases have an impact on the risk of MGUS progressing into overt MM, with a doubled risk of transformation observed in patients with non-Ab–mediated RDs. Future research can elucidate whether comorbidities such as RDs should be included in currently applied prognostic MGUS scores.