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Robotic single-site adrenalectomy.

Surgical Endoscopy 2016 August
INTRODUCTION: Technological advances have brought about robotic single-site (RSS) cholecystectomy and hysterectomy. The application of RSS to additional procedures requires careful assessment of the surgeon learning curve, the technological limitations, patient selection criteria and associated outcomes.

METHODS: Patient demographics, BMI, surgical indications, adrenal size, OR times, length of stay, postoperative pain and complications were assessed.

RESULTS: Thirty-three patients underwent RSS-A by a single surgeon with 53 % being male, mean age 54 ± 16 years and mean BMI of 32.7. There were 18 left, 10 right, and 5 bilateral procedures for a total of 38 adrenal glands removed (mean tumor size 3.2 cm). There were 5 conversions to a laparoscopic approach, and two to open approach. The necessity for conversion was not associated with age, BMI, tumor size, surgical side or pathology (p > 0.05). The patients who underwent successful unilateral RSS-A had a profile of mean age 55, BMI 31, tumor size 3 cm, and a mean operative time of 118 ± 25.8 min. Pain scores were <4 (10 point scale) in 67 % of patients. 74 % of patients were discharged on POD 1 and 96 % were discharged by POD 2. An assessment of the quartile learning curve for the unilateral RSS-A showed operative times decreased from a mean of 124 to 103 min after 21 cases (p = 0.05).

CONCLUSION: Patients with functioning and non-functioning tumors, along with those with obesity can safely be treated with RSS-A. The surgeon learning curve was associated with shortened operative times and not increased complication rates.

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