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Erschienen in:
01.03.2014
Laparoscopic versus open elective repair of primary umbilical hernias: short-term outcomes from the American College of Surgeons National Surgery Quality Improvement Program
Erschienen in: Surgical Endoscopy | Ausgabe 3/2014
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Background
Approximately 175,000 umbilical hernia repairs are performed annually in the US. Controversy exists regarding the optimal approach for the elective repair of primary umbilical hernias.
Objective
The objective of this study was to compare 30-day outcomes of elective primary open (OHR) and laparoscopic (LHR) umbilical hernia repairs, using a prospectively collected dataset.
Methods
We performed a retrospective cohort study using the American College of Surgeons National Surgery Quality Improvement Program Participant Use Files during 2009 and 2010. Current Procedural Terminology and post-operative International Classification of Diseases, Ninth Revision diagnostic codes were used to identify primary umbilical hernia repairs. Primary outcomes included composite endpoints of 30-day mortality, and major and overall complications. Univariate analyses and multivariate logistic regression were performed controlling for relevant patient characteristics. Secondary outcomes included operative time and hospital length of stay (LOS).
Results
Overall, 14,652 patients were identified—13,109 (89.5 %) OHR and 1543 (10.5 %) LHR. Univariate analyses of primary outcomes demonstrated similar 30-day morbidity and mortality between groups. In our multivariate model, however, after controlling for body mass index, gender, American Society of Anesthesiologists class, and chronic obstructive pulmonary disease, the odds ratio (OR) for overall complications favored LHR (OR 0.60; p = 0.01). This difference was driven primarily by the reduced wound complication rate in the LHR group [OR 0.41 (0.20, 0.78); p = 0.005]. LHR was associated with significantly longer operative time [57.7 min (SD 32.6) vs. 38.3 min (SD 22.9); p < 0.001], longer LOS [0.29 days (SD 0.68) vs. 0.17 days (SD 1.47); p = 0.001], and an increased rate of respiratory (0.52 vs. 0.10 %; p < 0.001) and cardiac (0.26 vs. 0.05 %; p = 0.005) complications.
Conclusions
This study identified potential decreased total and wound morbidity associated with LHR for elective primary umbilical hernia repairs at the expense of increased operative time, LOS, and respiratory and cardiac complications. These results should be considered within the context of a retrospective study with its inherent risks of bias and limitations.