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Published on: September 11, 2021
Risk of morbidity, mortality, and recurrence after parastomal hernia repair: a nationwide study
Frederik Helgstrand1, Jacob Rosenberg, Henrik Kehlet
11 The Danish Hernia Database, Copenhagen, Denmark 2 Department of Surgery, Køge Hospital, University of Copenhagen, Køge, Denmark 3 Department of Surgery, Herlev Hospital, University of Copenhagen, Herlev, Denmark 4 Section for Surgical Pathophysiology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark 5 Department of Surgery, Bispebjerg Hospital, University of Copenhagen, Copenhagen, Denmark 6 Department of Surgery, Colorectal Division, Aarhus University Hospital, Aarhus, Denmark 7 Department of Surgery, Hvidovre Hospital, University of Copenhagen, Hvidovre, Denmark.
Background:
Surgical outcome results after repair for parastomal hernia are sparsely reported and based on small-scale studies.
Objective:
This study aims to analyze surgical risk factors for 30-day reoperation and mortality, and, secondarily, to report the risk of reoperation for recurrence.
Design:
This is a retrospective analysis of nationwide perioperative surgical variables. The primary outcome was reoperation for surgical complications and/or mortality within 30 days after parastomal hernia repair. Follow-up was obtained from the Danish National Patient Register. Detailed patient-related data were based on hospital files. Multivariate analysis was based on a compound parameter: 30-day reoperation or death.
Setting And Patients:
All patients with a parastomal hernia repair registered in the Danish Hernia Database from January 1, 2007 to December 31, 2010 were included.
Main Outcome Measures:
Univariate and logistic regression was used to identify risk factors for 30-day reoperation or death.
Results:
The study included 174 patients with a parastomal hernia repair (142 elective and 32 emergency repairs; 56 open and 118 laparoscopic repairs). Median follow-up was 20 months (range, 0-47). A total of 13.2% were reoperated because of postoperative complications, and 6.3% of patients died within the first 30 postoperative days. Emergency repair was the strongest risk factor for reoperation or death in multivariate analyses (OR, 7.6; 95% CI, 2.7-21.5). No difference was found in preoperative risk of poor outcome between elective and emergency repairs (Charlson score 4 (range, 0-12) vs 5 (0-11), p = 0.07). After 3 years, the cumulated reoperation rate for recurrence was 10.8% (open 17.2% and laparoscopic 3.8%).
Limitations:
Patients' comorbidity was based on retrospective data, and the study had a relatively short follow-up.
Conclusion:
In the present nationwide study, repair for a parastomal hernia was associated with high rates of morbidity, mortality, and repair for recurrence. Emergency repair was the only important risk factor to predict poor 30-day postoperative outcome.
