OBJECTIVECurrent data on fellowship choice and completion by neurosurgical residents are limited, especially in relation to gender, scholarly productivity, and career progression. The objective of this study was to determine gender differences in the selection of fellowship training and subsequent scholarly productivity and career progression.METHODSThe authors conducted a quantitative analysis of the fellowship training information of practicing US academic neurosurgeons. Information was extracted from publicly available websites, the Scopus database, and the Centers for Medicare and Medicaid Services Open Payments website.RESULTSOf 1641 total academic neurosurgeons, 1403 (85.5%) were fellowship trained. There were disproportionately more men (89.9%) compared to women (10.1%). A higher proportion of women completed fellowships than men (p = 0.004). Proportionally, significantly more women completed fellowships in pediatrics (p < 0.0001), neurooncology (p = 0.012), and critical care/trauma (p = 0.001), while significantly more men completed a spine fellowship (p = 0.012). Within those who were fellowship trained, the academic rank of professor was significantly more commonly held by men (p = 0.001), but assistant professor was held significantly more often by women (p = 0.017). The fellowships with the largest mean h-indices were functional/stereotactic, pediatrics, and critical care/trauma. Despite more women completing neurooncology and pediatric fellowships, men had significantly greater h-indices in these subspecialties compared to women. Women had more industry funding awards than men in pediatrics (p < 0.0001), while men had more in spine (p = 0.023).CONCLUSIONSWomen were found to have higher rates for fellowship completion compared with their male counterparts, yet had lower scholarly productivity in every subspecialty. Fellowship choice remains unequally distributed between genders, and scholarly productivity and career progression varies between fellowship choice.
OBJECTIVEGender disparities in neurosurgery have persisted even as the number of female medical students in many countries has risen. An understanding of the current gender distribution of neurosurgeons around the world and the possible factors contributing to country-specific gender disparities is an important step in improving gender equity in the field.METHODSThe authors performed a systematic review of studies pertaining to women in neurosurgery. Papers listed in PubMed in the English language were collected. A modified grounded theory approach was utilized to systematically identify and code factors noted to contribute to gender disparities in neurosurgery. Statistical analysis was performed with IBM SPSS Statistics for Windows.RESULTSThe authors identified 39 studies describing the density of women neurosurgeons in particular regions, 18 of which documented the proportion of practicing female neurosurgeons in a single or in multiple countries. The majority of these studies were published within the last 5 years. Eight factors contributing to gender disparity were identified, including conference representation, the proverbial glass ceiling, lifestyle, mentoring, discrimination, interest, salary, and physical burden.CONCLUSIONSThe topic of women in neurosurgery has received considerable global scholarly attention. The worldwide proportion of female neurosurgeons varies by region and country. Mentorship was the most frequently cited factor contributing to noted gender differences, with lifestyle, the glass ceiling, and discrimination also frequently mentioned. Future studies are necessary to assess the influence of country-specific sociopolitical factors that push and pull individuals of all backgrounds to enter this field.
ObjectiveNeutrophil-to-lymphocyte ratio (NLR) has prognostic value in acute coronary syndromes. We investigated its utility for predicting heart failure (HF) admissions and major adverse cardiac outcomes in patients undergoing transcatheter aortic valve replacement (TAVR).MethodsData on clinical, laboratory, procedural, HF admissions, and major adverse cardiac events (MACEs) (all-cause mortality, recurrence of myocardial infarction requiring intervention, stroke) for 298 consecutive patients who underwent TAVR between 2012 and 2016 in our tertiary center were collected.ResultsAnalysis included 298 patients. The mean age was 83 ± 8 years, 51% were males, and 95% were Caucasians. The median Society of Thoracic Surgeons risk score was 9 (interquartile range: 6.3–11.8). Receiver-operating curve analysis identified a cutoff value of NLR of 4.0 for MACE after TAVR and sensitivity of 68% and specificity of 68% {area under the curve [AUC] = 0.65 [95% confidence interval (CI): 0.51–0.79], p = 0.03}. An NLR of 4.0 for HF hospitalizations after TAVR and sensitivity of 60% and specificity of 57% [AUC = 0.61 (95% CI: 0.53–0.69), p = 0.01]. NLR ≥4.0 before TAVR significantly predicted MACE after TAVR (68.4% vs. 31.6%, p = 0.02) and HF hospitalizations (58.3% vs. 41.7%, p = 0.03). NLR with TAVR risk score increased the predictive value for MACE after TAVR from AUC = 0.61 (95% CI: 0.50–0.72, p = 0.06) to AUC = 0.69 (95% CI: 0.57–0.80, p = 0.007).ConclusionNLR predicts all-cause mortality, MACE, and HF hospitalization 1 year after TAVR. NLR with TAVR risk score improved predictability for MACE. Further studies for prognostication using NLR are warranted.
Study Design. Retrospective cohort study of the Nationwide Readmissions Database (NRD). Objective. To determine causes of and independent risk factors for 30-and 90-day readmission in a cohort of anterior cervical discectomy and fusion (ACDF) patients. Summary of Background Data. Identifying populations at high-risk of 30-day readmission is a priority in healthcare reform so as to reduce cost and patient morbidity. However, among patients undergoing ACDF, nationally-representative data have been limited, and have seldom described 90-day readmissions, early reoperation, or socioeconomic influences. Methods. We queried the NRD, which longitudinally tracks 49.3% of hospitalizations, for all adult patients undergoing ACDF. We calculated the rates of, and determined reasons for, readmission and reoperation at 30 and 90 days, and determined risk factors for readmission at each timepoint. Results. We identified 50,126 patients between January and September 2014. Of these, 2294 (4.6%) and 4152 (8.3%) were readmitted within 30 and 90 days of discharge, respectively, and were most commonly readmitted for infections, medical complications, and dysphagia. The characteristics most strongly associ-ated with readmission were Medicare or Medicaid insurance, length of stay greater than or equal to 4 days, three or more comorbidities, and non-routine discharge, whereas surgical factors (e.g., greater number of vertebrae fused) were more modest. By 30 and 90 days, 8.2% and 11.7% of readmitted patients underwent an additional spinal procedure, respectively. Conclusion. Our analysis uses the NRD to thoroughly characterize readmission in the general ACDF population. Readmissions are often delayed (after 30 days), strongly associated with insurance status, and many result in reoperation. Our results are crucial for risk-stratifying future ACDF patients and developing interventions to reduce readmission.
Objective: The North American Skull Base Society (NASBS) multidisciplinary annual conference hosts skull base researchers from across the globe. We hypothesized that the work presented at the NASBS annual conference would reveal diverse authorship teams in terms of specialty and geography. Methods: In this retrospective review, abstracts presented at the NASBS annual meeting and subsequently published in the Journal of Neurological Surgery Part B: Skull Base between 01/01/2011 and 12/31/2020 were collected. Variables extracted included year, type of presentation, and author names and affiliations. Statistical analyses were performed with SPSS V23.0 with p-values < 0.05 considered significant. Geographic heat maps were created to assess author distribution, and a network analysis was performed to display authorship collaboration between geographic regions. <b>Results:</b> Of 3,312 published abstracts, 731 (22.1%) had an author with an affiliation outside of the United States. Fifty-seven distinct countries were represented. 324 abstracts (9.8%) had authorship teams representing at least 2 different countries. The top five USA states by abstract representation were Pennsylvania, California, New York, Ohio, and Minnesota. A majority of authors reported neurosurgery affiliations (56.7% first authors, 53.2% last authors), closely followed by otolaryngology (39.1% first authors, 41.5% last authors). No solo authors and very few (3.3%) of the first authors reported a departmental affiliation outside of otolaryngology or neurosurgery. <b>Conclusions:</b> Authors from many countries disseminate their work through poster and oral presentations at the NASBS annual meeting. 10% of abstracts were the product of international collaboration. Most authors were affiliated with a neurosurgery or otolaryngology department.
BackgroundPermanent pacemaker implantation is the most common complication after Transcatheter aortic valve replacement (TAVR) and is associated with worse outcomes and mortality. However, its impact on quality‐of‐life (QoL) outcomes remains unknown.MethodsWe included 383 consecutive patients undergoing TAVR from January 2012 to 2016 who completed a baseline Kansas City Cardiomyopathy Questionnaire (KCCQ‐12) health survey. The clinical, laboratory, angiographic, QoL, mortality, and occurrence of poor outcomes (KCCQ‐12 score < 45 or KCCQ decrease of ≥10 points) were obtained.ResultsThe mean age was 83 ± 8 years, 51% were men, and majority were Caucasians (n = 364, 95%). Permanent pacemaker (PPM) was implanted in 11.5% of patients post‐TAVR. PPM patients were more likely to have prior conduction disease including RBBB (25% vs 12%, P = .02) and PQ interval >250 ms (11% vs 5%, P = .07). One‐month median KCCQ‐12 scores were significantly lower among PPM patients (84.7 vs 68.8, P = .04), but did not differ significantly at 1‐year (86.5 vs 90.6, P = .5) post‐TAVR. Occurrence of poor outcomes did not differ significantly among those with or without PPM at 1 month (11% vs 7%, P = .39) and 1 year (13% vs 9%, P = .45), respectively. However, patients with poor QoL outcomes at 1 month post‐TAVR also had significantly worse mortality during follow‐up in unadjusted (31.3% vs 4.5%, P < .001) and adjusted (HR = 5.30, 95% [CI: 1.85‐15.22, P = .002])analyses, respectively.ConclusionPermanent pacemaker implantation is associated with short‐term reduction in QoL without long‐term implications post‐TAVR. Patients with poor QoL post‐TAVR also have significantly higher mortality.
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