“…Full mechanical [20][21][22][23][24][25][26][27] One or two rectal enemas [2, 13, 15, 28] Variable a [18] Lithotomy [2, 4, 13, 15, 20-24, 27, 37] Prone jack-knife [25,26,28,29,34,38] Variable b [18] Peri-or postoperative for 4-5 days [2, 4, 13, 15, 18, 20-22, 27-29, 35, 38] None [25] General [20,[26][27][28][29]] Spinal [13,24,25,30] Local [21,31] Variable c [2,4,7,15,18] a Full only in case of bilateral flap.…”