Table 3: Delphi Consensus on Laparoscopic Sleeve Gastrectomy First Delphi round N Mean 95% CI Second Delphi Round N Mean 95% CI Opera2ve set up and star2ng of laparoscopy Checking of instruments 33 3.67 [3.26 - 4.07] 29 3.69 [3.35 - 4.03] Advised Posiqoning OR team 33 3.82 [3.53 - 4.1] 29 3.76 [3.43 - 4.09] Advised Posiqoning monitors 33 3.97 [3.67 - 4.27] 29 3.76 [3.52 - 4] Key step Posiqoning paqent 33 4.36 [4.12 - 4.61] Key step Time-out procedure 33 4.36 [4.07 - 4.66] Key step Checking of anqbioqc prophylaxis 33 4 [3.65 - 4.35] 29 3.79 [3.45 - 4.14] Advised Disinfecqon. sterile exposure 33 4.27 [3.98 - 4.57] 29 4.14 [3.82 - 4.45] Key step Checking introducqon gastric bougie 33 4.64 [4.42 - 4.85] Key step Introducqon Veress Needle 33 3.27 [2.78 - 3.76] 29 3.03 [2.6 - 3.47] Introducqon opqcal trocar 33 4.12 [3.77 - 4.47] 29 4 [3.68 - 4.32] Key step Insufflate to 15mmHg abdominal pressure 33 3.3 [2.97 - 3.64] 29 3.17 [2.88 - 3.46] Set gas flow to 40L/min 33 3.03 [2.61 - 3.45] 29 3.03 [2.71 - 3.36] Laparoscopic assessment of abdominal cavity 33 3.12 [2.75 - 3.49] 29 3.07 [2.63 - 3.51] Introducqon of addiqonal trocars under laparoscopic sight 33 4.09 [3.72 - 4.46] 29 3.9 [3.62 - 4.17] Key step Introducqon of liver retractor 33 4.03 [3.67 - 4.39] 29 3.93 [3.58 - 4.28] Key step Exposure of operaqve field 33 4.33 [4.07 - 4.59] Key step Checking presence of hiatus hernia 33 3.61 [3.21 - 4] 29 3.52 [3.14 - 3.89] Advised Reducqon of hiatus hernia 33 3.45 [3.01 - 3.9] 29 3.59 [3.15 - 4.02] Advised Correcqon of hiatus hernia 33 3.09 [2.61 - 3.57] 29 3.14 [2.66 - 3.61] Mobiliza2on of the greater curvature Opening lesser sac at incisura angularis 33 2.06 [1.49 - 2.63] Excluded Opening lesser sac at greater curvature 33 4.58 [4.31 - 4.84] Key step Idenqficaqon pylorus and starqng point sleeve a 33 4.64 [4.44 - 4.83] Key step Detaching omentum from stomach at greater curvature's full length 33 4.42 [4.07 - 4.78] Key step Ligaqng short gastric vessels 33 4.55 [4.31 - 4.78] Key step Freeing Belsey’s fat pad b 33 3.18 [2.74 - 3.62] 29 3.21 [2.77 - 3.64] Detaching posterior a~achments stomach 33 4.03 [3.67 - 4.39] 29 3.97 [3.65 - 4.28] Key step Stapling the sleeve 70 4
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