om ach ▁at ▁all , ▁instead ▁en clos ing ▁only ▁per ig astr ic ▁fat , ▁with ▁the ▁effect ▁that ▁the ▁passage ▁of ▁food ▁was ▁not ▁restricted ▁at ▁all . ▁In ▁these ▁cases , ▁the ▁patients ▁experienced ▁no ▁additional ▁ad verse ▁sympt oms . ▁Problem s ▁with ▁the ▁port ▁and / or ▁the ▁t ube ▁connecting ▁port ▁and ▁band ▁– ▁The ▁port ▁can ▁" f lip ▁over " ▁so ▁that ▁the ▁memb rane ▁can ▁no ▁longer ▁be ▁accessed ▁with ▁a ▁need le ▁from ▁the ▁outside ▁( this ▁often ▁goes ▁hand ▁in ▁hand ▁with ▁a ▁t ube ▁k ink , ▁and ▁may ▁require ▁re position ing ▁as ▁a ▁minor ▁surg ical ▁procedure ▁under ▁local ▁an a est hes ia ); ▁the ▁port ▁may ▁get ▁dis connected ▁from ▁the ▁t ube ▁or ▁the ▁t ube ▁may ▁be ▁per for ated ▁in ▁the ▁course ▁of ▁a ▁port ▁access ▁attempt ▁( both ▁would ▁result ▁in ▁loss ▁of ▁fill ▁fluid ▁and ▁restriction , ▁and ▁like wise ▁require ▁a ▁minor ▁operation ). ▁In ternal ▁ble eding ▁In fection ▁ ▁Document ed ▁ad verse ▁effects ▁The ▁following ▁are ▁the ▁ad verse ▁effects ▁of ▁g astr ic ▁band ing ▁as ▁documented ▁by ▁the ▁F DA . ▁ ▁Los ing ▁weight ▁after ▁surg ery ▁ ▁Effect iveness ▁▁ ▁The ▁average ▁g astr ic ▁band ing ▁patient ▁los es ▁ 5 0 0   gram s ▁to ▁a ▁kil ogram ▁( 1 – 2 ▁pounds ) ▁per ▁week ▁consist ently , ▁but ▁heav ier ▁patients ▁often ▁lose ▁faster ▁in ▁the ▁beginning . ▁This