E Charles Osterberg1, Mohannad A Awad2, Thomas W Gaither3, Thomas Sanford4, Amjad Alwaal5, Lindsay A Hampson6, Jennie Yoo7, Jack W McAninch8, Benjamin N Breyer9. 1. Department of Urology, University of California - San Francisco, San Francisco, CA, United States. Electronic address: charles.osterberg@ucsf.edu. 2. Department of Urology, University of California - San Francisco, San Francisco, CA, United States. Electronic address: Mohannad.awad@ucsf.edu. 3. Department of Urology, University of California - San Francisco, San Francisco, CA, United States. Electronic address: Tom.gaither@ucsf.edu. 4. Department of Urology, University of California - San Francisco, San Francisco, CA, United States. Electronic address: Thomas.sanford@ucsf.edu. 5. Department of Urology, King Abdulaziz University, Jeddah, Saudi Arabia. Electronic address: amjadwal@yahoo.com. 6. Department of Urology, University of Washington, Seattle, WA, United states. Electronic address: Lindsay.hampson@gmail.com. 7. Department of Urology, University of California - San Francisco, San Francisco, CA, United States. Electronic address: Jennie.yoo@ucsf.edu. 8. Department of Urology, University of California - San Francisco, San Francisco, CA, United States. Electronic address: Jack.McAninch@ucsf.edu. 9. Department of Urology, University of California - San Francisco, San Francisco, CA, United States. Electronic address: Benjamin.Breyer@ucsf.edu.
Abstract
BACKGROUND: Epidemiological studies have shown that bicycle trauma is associated with genitourinary (GU) injuries. Our objective is to characterize GU-related bicycle trauma admitted to a level I trauma center. MATERIALS AND METHODS: We queried a prospective trauma registry for bicycle injuries over a 20-year period. Patient demographics, triage data, operative interventions and hospital details were collected. RESULTS: In total, 1659 patients were admitted with major bicycle trauma. Of these, 48 cases involved a GU organ, specifically the bladder (n=7), testis (n=6), urethra (n=3), adrenal (n=4) and/or kidneys (n=36). The median age of cyclists with GU injuries was 29 (range 5-70). More men were injured versus women (35 versus 13). GU-related bicycle trauma involved a motor vehicle in 52% (25/48) of injuries. The median injury severity score for GU-related bicycle trauma was 17 (range 1-50). The median number of concomitant organ injuries was 2 (range 0-6), the most common of which was the lungs (13/48, 27%) and ribs (13/48, 27%). The majority of GU injured cyclists were admitted to an ICU (15/48, 31%) or hospital floor (12/48, 25%). Operative intervention for a GU-related trauma was low (12/48, 25%). The most common GU organ injured was the kidney (36/48, 75%) however most were managed nonoperatively (33/36, 92%). Bladder injuries most often required operative intervention (6/7, 86%). Mortality following GU-related bicycle trauma was low (2/48, 4%). CONCLUSIONS: In a large series of bicycle trauma, GU organs were injured in 3% of cases. The majority of cases were managed non-operatively and mortality was low. Published by Elsevier Ltd.
BACKGROUND: Epidemiological studies have shown that bicycle trauma is associated with genitourinary (GU) injuries. Our objective is to characterize GU-related bicycle trauma admitted to a level I trauma center. MATERIALS AND METHODS: We queried a prospective trauma registry for bicycle injuries over a 20-year period. Patient demographics, triage data, operative interventions and hospital details were collected. RESULTS: In total, 1659 patients were admitted with major bicycle trauma. Of these, 48 cases involved a GU organ, specifically the bladder (n=7), testis (n=6), urethra (n=3), adrenal (n=4) and/or kidneys (n=36). The median age of cyclists with GU injuries was 29 (range 5-70). More men were injured versus women (35 versus 13). GU-related bicycle trauma involved a motor vehicle in 52% (25/48) of injuries. The median injury severity score for GU-related bicycle trauma was 17 (range 1-50). The median number of concomitant organ injuries was 2 (range 0-6), the most common of which was the lungs (13/48, 27%) and ribs (13/48, 27%). The majority of GU injured cyclists were admitted to an ICU (15/48, 31%) or hospital floor (12/48, 25%). Operative intervention for a GU-related trauma was low (12/48, 25%). The most common GU organ injured was the kidney (36/48, 75%) however most were managed nonoperatively (33/36, 92%). Bladder injuries most often required operative intervention (6/7, 86%). Mortality following GU-related bicycle trauma was low (2/48, 4%). CONCLUSIONS: In a large series of bicycle trauma, GU organs were injured in 3% of cases. The majority of cases were managed non-operatively and mortality was low. Published by Elsevier Ltd.
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