Robotic-assisted laparoscopic median arcuate ligament release: 7-year experience from a single tertiary care center

Abstract

Background

Despite previous reports of robotic-assisted laparoscopic release for median arcuate ligament syndrome (MALS), the safety and efficacy profile of this approach has been difficult to establish due to the rarity of this diagnostic entity. We aim to present our experience from a tertiary minimally invasive surgery referral center.

Methods

A case series was performed whereby all patients who underwent robotic-assisted MAL release from July 2010 to July 2017 at our institution were included. Diagnosis of MALS was made based on consideration of symptom presentation, celiac artery duplex ultrasound, and corresponding findings on Computed Tomography (CT) or Magnetic Resonance Angiography (MRA). Outcomes up until the most recent clinic follow-up were reviewed.

Results

A total of 13 patients underwent robotic-assisted MAL release. Patients' age ranged from 16 to 71 years (mean 38 years) and consisted primarily of females (76.9%). Most common presenting symptoms included postprandial pain (76.9%), weight loss (76.9%), nausea and vomiting (76.9%). Mean symptom duration was 3 years (range 1–10 years). No intraoperative complications. None required conversion to open surgery. One case required a conversion back to laparoscopy due to anatomical complexity. The mean operative time for successfully completed robotic cases was 94.6 min (range 52–120 min), and for all cases including converted case was 103.5 min (52–210 min). Mean follow-up duration was 19.7 months (range 1–77 months). During subsequent follow-up, a 30-day readmission rate of 23.1% was observed. All but one of the patients experienced prompt symptom improvement. Four patients had symptom recurrence during follow-up.

Conclusions

Our experience demonstrates that the robotic-assisted approach to MAL release may be safe and efficacious in selected patients. Prospective comparative studies are required to further evaluate its outcomes against conventional laparoscopic approach, the current gold standard.

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