Background Scholarly productivity and research output vary among different subspecialties. The h-index was developed as a more wholesome metric that measures an author's contribution to literature. Objective Through a web-based cross-sectional analysis, we investigated the differences in scholarly impact and influence of both fellowship and nonfellowship-trained academic otolaryngologists in the United States. A secondary objective was to further understand the output among the larger fellowship fields. Methods A cross-sectional analysis was performed for active faculty otolaryngologists. A total of 1704 otolaryngologists were identified as faculty in residency training programs across the United States. Their h-index and publication data were gathered using the Scopus database. The data were obtained in August 2019 and analysis occurred in January 2020. Results Head and neck surgical faculty (25.5%) had the highest representation with fellowship experience. Among all faculty, there was no statistical difference in the overall average h-index scores when comparing faculty that had fellowship training with those who did not (12.6 and 12.1, respectively, P = .498). Rhinologists had the highest publication output per year at 3.90. Among fellowship-trained faculty, the highest average h-index and total publications were seen in head & neck surgery, while facial plastics had the lowest averages ( P < .001). Conclusions In this study, fellowship-trained faculty had a greater but not significant scholarly impact than nonfellowship faculty. Furthermore, there were significant variations in output among the various subspecialties of otolaryngology. Growing fields, as academic rhinology, are continuing to flourish in robust research productivity and output. This study further demonstrates the potential, growing influence of fellowship training on research involvement and academic advancement within the otolaryngology subspecialties.
Background Acute mountain sickness (AMS) may occur after rapid ascents to altitudes > 2500 m. Cusco (3350 m) in Peru is a popular destination for altitude inexperienced travelers. This study aimed at evaluating the incidence and risk factors for AMS among a cohort of foreign Spanish language students in Cusco. Methods We performed a cohort study among young healthy foreign Spanish language students arriving to Cusco between 2012 and 2016. Consenting students answered an enrollment questionnaire on demographics, travel history, and intended AMS preventive behavior within 48 hours of arrival. At 4 to 5 days after enrollment participants answered a second questionnaire about actual preventive behavior before symptoms and the development of symptoms compatible with AMS during their first 48 hours in Cusco. We used the 2018 Lake Louis Scoring System (LLSS) for AMS diagnosis. Participants with headache and a score ≥ 3 were considered to have AMS. Results We enrolled 142 language students, the median age was 21 years (IQR 20–25) and 57% were female. Participants decreased physical activity (38%), increased fluid intake (34%), drank coca leaf tea (34%), took acetazolamide (16%), and acclimatized at a lower altitude (6%) to prevent AMS. Thirty nine percent had AMS. In the multivariate analysis, obesity (OR 14.45 [2.33–89.6]) and female sex (OR 4.32 [1.81–10.28]) were associated with increased risk of AMS. Taking acetazolamide (OR 0.13 [0.03–0.56) was associated with decreased AMS risk. Consumption of coca leaf tea was not associated with decreased risk of AMS. Conclusions In our cohort, AMS affected two out of five travelers. Obesity and female sex were associated with increased risk. Drinking coca leaf tea for prevention did not decrease the risk of AMS. Acetazolamide prophylaxis was associated with decreased risk of AMS.
Background Studies have not yet examined the trends and risk factors of biphasic and recurrent anaphylaxis in the United States using International Classification of Diseases, tenth revision (ICD‐10) CM codes. The goal of this study is to examine the trends of biphasic and recurrent anaphylaxis in all patient care settings (inpatient, outpatient, emergency department, and observation). Methods We used the Clinformatics database from 2015 to 2017. Our main outcome measure was recurrent anaphylactic events occurring within 1 year after the initial event. We used Cox proportional hazards modeling to assess the factors associated with recurrent anaphylaxis and the Kaplan‐Meier method to estimate time to recurrence. Results There were a total of 19,039 patients with incident anaphylaxis in 2016 and, of these, 2017 had a recurrent anaphylaxis event in the 12‐month period after the index date (10.6%). The most common trigger for recurrent anaphylaxis is venom followed by food allergens. Pediatric patients aged <18 years were more likely to develop recurrent anaphylaxis compared with patients aged 18 to 64 years (hazard ratio [HR], 1.53). Patients with allergic rhinitis and asthma were more likely to develop recurrent anaphylaxis compared to those without these comorbidities (HR, 1.15 and 1.27, respectively). Conclusion This is the first national study using ICD‐10 CM codes looking at rates of biphasic and recurrent anaphylaxis in all patient care settings. Recurrent anaphylaxis is more common in the first 3 days after the initial event, in younger patients (<18 years), and in patients with allergic rhinitis and/or asthma. Physicians need to prescribe epinephrine auto‐injectors and educate their patients about the risk of recurrence.
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