• Joel Hancock, Wilson Sui, Paulo Alves, Neil Nerwich, and Ryan S Hsi.
• Department of Urology, Vanderbilt University Medical Center, Nashville, Tennessee.
• J. Urol. 2020 May 1; 203 (5): 991-995.

PurposeIn-flight medical events are rare but may cause significant distress as access to care is limited. There is a paucity of data on in-flight urological medical events. We describe urological in-flight medical emergencies and report clinical and flight outcomes.Materials And MethodsWe reviewed all in-flight urological medical emergencies between 2015 and 2017 from MedAire®, a ground based medical support center that provides remote medical advisory services to approximately 35% of commercial airline passenger traffic worldwide. Our primary end point was the incidence rates of in-flight urological medical events. We also characterized the types of in-flight medical emergencies, in-flight management and their impact on flight status. Statistical analyses included Student's t-tests, chi-square analysis and analysis of variance.ResultsWe identified 1,368 (1%) urological in-flight medical emergencies from a total of 138,612 in-flight medical emergencies, with an incidence of 0.5 per million passengers. The most common in-flight medical emergencies were lower urinary tract symptoms (35%), urinary retention (30%) and flank pain (21%). Among in-flight medical emergencies 883 (60%) resolved in flight, 273 (28%) required on-arrival medical evaluation and 21 (1.5%) resulted in flight diversions. Of the flight diversions the majority were due to urinary retention (12, 57%) and less commonly flank pain (6, 28%) and testicular/abdominal pain (3, 15%).ConclusionsThe most common causes of urological in-flight medical emergencies are lower urinary tract symptoms, urinary retention and renal colic, the majority of which resolved in flight. These data are useful for informing flight personnel and emergency kit equipment needs to minimize the impact of these events when they occur.

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