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Original Article 


Gender Differences in Outcome after Open Carpal Tunnel Release

Malin Zimmerman, Erik Dahlin, Niels OB Thomsen, Gert S Andersson, Anders Björkman, Lars B Dahlin.

Abstract
Objectives: Carpal tunnel syndrome (CTS) is common amongst women. We investigated gender differences in neurography values preoperatively and in QuickDASH scores before and one year after open carpal tunnel release.

Methods: Patients that underwent open carpal tunnel release (n=493) during 18 months due to primary CTS were enrolled. Data were collected from medical records, QuickDASH questionnaires and preoperative neurographies. The patients filled out the QuickDASH questionnaire pre- and 12 months postoperatively and were instructed to rate his/her ability [range from 0 (no difficulty) to 5 (impossible to perform)] to do the listed activities during the last week.

Results: Preoperatively, women (n=343) had higher sensory amplitudes in the median nerve in the thumb (median 7 µV IQR 3-12 vs. 3 IQR 0-7; p<0.0001) and in the middle finger (median 5 µV IQR 1-10 vs. 2 IQR 0-5; p<0.0001) than men, but sensory conduction velocity at wrist level did not differ.
Total QuickDASH scores were higher both preoperatively (55 [36-68] vs. 39 [26-58]; p<0.0001) and postoperatively (22 [7-50] vs. 14 [2-39]; p<0.05) in women, but there was no difference in the change in total score. Eighty-four (25%) women and 40 (27%) men had a change in total score <8, i.e. less than the minimal clinically important difference.

Conclusion: Women rate their symptoms higher in the QuickDASH than men before and after surgery, while men have more severe nerve damage on preoperative neurography.

Key words: carpal tunnel syndrome; median nerve; open carpal tunnel release


 
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How to Cite this Article
Pubmed Style

Zimmerman M, Dahlin E, Thomsen NO, Andersson GS, Bjorkman A, Dahlin LB. Gender Differences in Outcome after Open Carpal Tunnel Release. Hand Microsurg. 2019; 8(2): 91-95. doi:10.5455/handmicrosurg.25681


Web Style

Zimmerman M, Dahlin E, Thomsen NO, Andersson GS, Bjorkman A, Dahlin LB. Gender Differences in Outcome after Open Carpal Tunnel Release. http://handmicrosurgeryjournal.com/?mno=25681 [Access: October 20, 2019]. doi:10.5455/handmicrosurg.25681


AMA (American Medical Association) Style

Zimmerman M, Dahlin E, Thomsen NO, Andersson GS, Bjorkman A, Dahlin LB. Gender Differences in Outcome after Open Carpal Tunnel Release. Hand Microsurg. 2019; 8(2): 91-95. doi:10.5455/handmicrosurg.25681



Vancouver/ICMJE Style

Zimmerman M, Dahlin E, Thomsen NO, Andersson GS, Bjorkman A, Dahlin LB. Gender Differences in Outcome after Open Carpal Tunnel Release. Hand Microsurg. (2019), [cited October 20, 2019]; 8(2): 91-95. doi:10.5455/handmicrosurg.25681



Harvard Style

Zimmerman, M., Dahlin, . E., Thomsen, . N. O., Andersson, . G. S., Bjorkman, . A. & Dahlin, . L. B. (2019) Gender Differences in Outcome after Open Carpal Tunnel Release. Hand Microsurg, 8 (2), 91-95. doi:10.5455/handmicrosurg.25681



Turabian Style

Zimmerman, Malin, Erik Dahlin, Niels OB Thomsen, Gert S Andersson, Anders Bjorkman, and Lars B Dahlin. 2019. Gender Differences in Outcome after Open Carpal Tunnel Release. Hand and Microsurgery, 8 (2), 91-95. doi:10.5455/handmicrosurg.25681



Chicago Style

Zimmerman, Malin, Erik Dahlin, Niels OB Thomsen, Gert S Andersson, Anders Bjorkman, and Lars B Dahlin. "Gender Differences in Outcome after Open Carpal Tunnel Release." Hand and Microsurgery 8 (2019), 91-95. doi:10.5455/handmicrosurg.25681



MLA (The Modern Language Association) Style

Zimmerman, Malin, Erik Dahlin, Niels OB Thomsen, Gert S Andersson, Anders Bjorkman, and Lars B Dahlin. "Gender Differences in Outcome after Open Carpal Tunnel Release." Hand and Microsurgery 8.2 (2019), 91-95. Print. doi:10.5455/handmicrosurg.25681



APA (American Psychological Association) Style

Zimmerman, M., Dahlin, . E., Thomsen, . N. O., Andersson, . G. S., Bjorkman, . A. & Dahlin, . L. B. (2019) Gender Differences in Outcome after Open Carpal Tunnel Release. Hand and Microsurgery, 8 (2), 91-95. doi:10.5455/handmicrosurg.25681








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