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BACKGROUND: Multiport laparoscopic cholecystectomy is the standard surgical procedure for symptomatic gallbladder diseases. The latest evolution is single incision laparoscopic cholecystectomy (SILC). Single-site robotic cholecystectomy (SSRC) overcomes several limitations of manual SILC. The aim of this study is to present our initial experiences in SSRC and to compare its clinical outcomes with those of SILC. METHODS: This study retrospectively reviewed data for patients who received SSRC or SILC from February 2014 to September 2015. The following variables were analyzed: age, sex, body mass index, indications, pain scale, length of stay, and complications. The data were analyzed with Student t test or by Fisher exact test. RESULTS: The analysis included 51 SSRC (33 women, 18 men) and 63 SILC patients (40 women, 23 men). Patients in both groups had similar demographic features and indications for surgery. The SSRC group required no conversions to conventional laparoscopy and no additional trocars, whereas the SILC group had two (3.17%) cases. Length of stay did not significantly differ between the SSRC and SILC groups (4.29 ± 0.72 vs. 4.13 ± 0.93 days, respectively; p = 0.823). However, the SSRC group had shorter operative time (71.30 ± 48.88 vs. 74.70 ± 30.16 minutes; p = 0.772), less perioperative bile spillage (9.81% vs. 19.05%; p = 0.189), and less postoperative bile leakage (0% vs. 3.17%; p = 0.501). However, the parameters mentioned above were not statistically significant, whereas pain scale scores were significantly lower in the SSRC group (2.11 ± 0.76 vs. 3.98 ± 0.84; p < 0.01). CONCLUSIONS: Both SSRC and SILC are safe and feasible procedures for performing single incision cholecystectomy. SSRC, however, has the advantage of significantly decreased postoperative pain.
Su et al. (Sat,) studied this question.