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Robotic ventral hernia repair is not superior to laparoscopic: a national database review
Priscila Armijo1, Akshay Pratap2, Yi Wang3
1Center for Advanced Surgical Technology, University of Nebraska Medical Center, 986245 Nebraska Medical Center, Omaha, NE, 68198-6246, USA.
Background:
Minimally invasive surgery (MIS) use for ventral hernia repair has increased over the last decade. Whether outcomes are improved by robotic assistance remains a subject of debate. The aim of this study is to evaluate outcomes (including cost, complications, length of stay (LOS), and pain medication utilization) in patients who underwent an open (OVHR), laparoscopic (LVHR), or robotic (RVHR) ventral hernia repair (VHR).
Methods:
The Vizient database was queried using ICD-9 procedure and diagnosis codes for patients who underwent VHR from January 2013 to September 2015. Complications, 30-day readmission, mortality, LOS, cost, and intra-hospital opiate utilization were analyzed using IBM SPSS v.23.0.0.0. Median tests with post hoc pairwise comparisons, Fischer's exact, and Pearson's chi-squared test with Bonferroni correction were applied where appropriate, with α = 0.05.
Results:
46,799 patients (OVHR: N = 39,505, LVHR: N = 6829, RVHR: N = 465) met the criteria and patients in each group had similar demographics (Table 1). OVHR was associated with significant increased overall complications, 30-day readmission, LOS, and postoperative pain use compared to RVHR or LVHR. OVHR had higher mortality and postoperative infection rates than LVHR. RVHR had significantly higher rates of complications and postoperative infections compared to LVHR, although there was no difference in mortality, 30-day readmission, LOS, and postoperative pain medication use. Mean direct cost of surgery was significantly higher for RVHR, followed by OVHR and LVHR.
Conclusions:
Overall patient outcomes were improved in the LVHR and RVHR groups compared to the open approach. However, RVHR patients did not have significant improvement compared with the LVHR group in either short-term outcomes or opiate medication used. While RVHR surgery was the most expensive modality, OVHR was also significantly costlier than LVHR, which was the least expensive. Long-term data on recurrence could not be evaluated and should be studied to determine the role of robotic surgery in VHR and recurrence rates.
