94) [24] Chen et al also found no difference in the postoperati

94) [24]. Chen et al. also found no difference in the postoperative usage of intravenous narcotics (Demerol) between SILC and LAC groups (10 versus 10mg, P = 0.82) found [30]. 3.5.4. Postoperative Recovery of Gastrointestinal Function Several reports [21, 23, 26, 29, 30, 37, 39] provided data regarding postoperative recovery of gastrointestinal function; Gash et al. [37], in their analysis of 20 SILC procedures, reported that a normal diet was tolerated in 4�C6 hours by 7 patients and in 12�C16 hours (overnight) by 11 patients. In 39 SILC cases [32] from multi-institutional studies reviewed, average time to flatus and bowel movement were Days 2.2 and 2.9, respectively, which is supported by 2 other reports (p.o. Day 2-3 of first flatus) [21, 30, 42, 43]. Chen et al.

, in their case-control study comparing SILS right hemicolectomy to traditional laparoscopic right hemicolectomy, also reported that there was no difference in time until flatus passage (median 2 versus 2 days) [30]. Concerning oral intake after surgeries, Boni et al. [39] reported p.o. Day 2 for first oral fluid intake. In early experience with 31 SILC cases for colon cancer, Katsuno et al. reported that the time to adequate oral intake was 1.5 �� 0.8 days [23]. 3.6. Comparative Studies: SILC versus Other Minimally Invasive Surgeries A total of 9 comparative studies [19, 22, 24, 27, 30, 31, 33, 35, 36] including 6 case-matched studies [22, 24, 27, 31, 33, 36] between SILC and other minimally invasive procedures are summarized in Tables Tables55 and and6.6. Ramos-Valadez et al.

, in their case-matched series (SILC versus LAC group), reported that mean estimated blood loss was significantly lower for the SILC group (n = 20) compared to the LAC group (n = 20) (58 versus 99mL, P < 0.007) [22]. Champagne et al., in their case-controlled study comparing SILC (n = 29) versus laparoscopic-assisted (n = 29) segmental colectomy, reported that SILC is feasible and safe but takes longer time in surgery (134 versus 104min P = 0.0002) [27]. There were no short-term outcome benefits associated with SILC. Chen et al. also did not find any significant benefits associated with right hemicolectomy by SILS approach compared to the same procedure by the multiport laparoscopic approach [30]. McNally et al., comparing 27 SILC cases with 46 LAC cases, reported relatively shorter LOS in SILC versus LAC cases (3 versus 5 days) but with no statistical significance (P = 0.

07). Gandhi et al., comparing 24 case-matched patients undergoing right hemicolectomy or anterior rectosigmoidectomy between SILC and hand-assisted laparoscopic colectomy (HALC), reported that the average operative time was longer in SILC as compared to HALC (143 versus Dacomitinib 113min P = 0.0004) while there was no difference in conversion rate or perioperative complications [33].

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