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Erschienen in:
11.07.2018
Robotic-assisted unilateral adrenalectomy: risk factors for perioperative complications in 303 consecutive patients
Erschienen in: Surgical Endoscopy | Ausgabe 3/2019
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Background
There is no consensus about the utility of using the robotic platform to perform a unilateral lateral transabdominal adrenalectomy in comparison with conventional laparoscopy. In some groups, obese patients (Body Mass Index > 30 kg/m2) and patients with tumor size > 5 cm have been considered as good candidates for robotic adrenalectomy. However, evaluation of incidence and risk factors for perioperative complications is currently lacking in large series of patients. The aim of this study was to evaluate incidence and predictive factors for intraoperative (conversion and capsular rupture) and postoperative complications (morbidity) after unilateral robotic-assisted transabdominal lateral adrenalectomy.
Methods
From 2001 to 2016, consecutive patients undergoing unilateral lateral transabdominal robotic adrenalectomy were included in a prospectively maintained database and analyzed retrospectively (clinicaltrials.gov NCT03410394).
Results
A total of 303 consecutive patients were analyzed. Between the first and last 100 of patients, mean tumor size increased from 2.9 to 4.2 cm (p < 0.001) and mean operating time decreased from 99 to 77 min (p < 0.001). Postoperative complications occurred in 28 patients (9.2%) and no postoperative death was observed. Nine patients (3%) were converted to open laparotomy and capsular rupture was observed in nine patients (3%). BMI was not a significant risk factor for conversion, capsular rupture, or postoperative complication. Tumor size > 5 cm remained the only predictive factor for conversion to laparotomy (OR 7.47, 95% CI 1.81–30.75; p = 0.005). History of upper gastrointestinal surgery was the only predictive factor for capsular rupture (OR 13.6, 95% CI 2.33–80.03; p = 0.004). Conversion to laparotomy (OR 8.35, 95% CI 1.99–35.05; p = 0.003) and patient age (OR 1.039, 95% CI 1.006–1.072; p = 0.019) remained independent predictive factors for postoperative complications.
Conclusions
This study identified independent risk factors for perioperative complications after robotic-assisted unilateral adrenalectomy. These factors should be taken into account when evaluating robotic-assisted transabdominal lateral adrenalectomy.