期刊
HERNIA
卷 23, 期 4, 页码 647-654出版社
SPRINGER
DOI: 10.1007/s10029-018-1822-0
关键词
Inguinal hernia; Laparoscopic; Volume; Mesh; Recurrence
类别
资金
- Institute for Clinical Evaluative Sciences - Ontario Ministry of Health and Long-Term Care
PurposeDespite the frequency with which inguinal hernia repairs (IHR) are performed, the real-world comparative effectiveness of laparoscopic versus open repairs is not well established. We compared the rate of recurrent inguinal hernia after laparoscopic and open mesh procedures.MethodsWe designed a population-based retrospective cohort study using linked administrative databases including adult patients in Ontario, Canada, who underwent primary IHR from April 1, 2003 to December 31, 2012. Patients were followed to August 31, 2014. Our primary outcome was reoperation for recurrent IHR, with covariate adjustment using Cox proportional hazards modeling. We constructed separate models to evaluate the effect of surgeon caseload on recurrence rates.ResultsWe identified 93,501 adults undergoing primary IHR (85.4% open with mesh and 14.6% laparoscopic) with a median follow-up of 5.5years. The 5-year cumulative risk of recurrent IHR was 2.0% in the open group and 3.4% in the laparoscopic group. After adjusting for patient and surgeon factors, we found that patients who underwent laparoscopic repair had a higher risk of recurrent IHR than those who underwent open repair when annual surgeon volume in the preceding year was <= 25 technique-specific cases (HR 1.76; 95% CI 1.45-2.13) or 26-50 technique-specific cases (HR 1.78; 95% CI 1.08-2.93). Few high-volume laparoscopic surgeons (>50 cases/year) could be identified. Laparoscopic IHR did not carry a higher risk of recurrence for patients whose surgeons had performed>50 technique-specific cases in the preceding year (HR 1.21; 95% CI 0.45-3.26).ConclusionLaparoscopic IHR is generally associated with a higher risk of recurrence than open IHR. Though high-volume surgeons may be able to achieve equivalent results with laparoscopic and open techniques, few surgeons in our study population met this volume criterion for laparoscopic repairs.
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