os ion , ▁sli pp age ) ▁requiring ▁re - operation ". ▁ ▁Research er ▁Paul ▁O ’ B rien , ▁MD , ▁of ▁Melbourne , ▁Australia ' s ▁Mon ash ▁University ▁says ▁the ▁procedure ▁offers ▁an ▁effective , ▁revers ible , ▁long - term ▁solution ▁for ▁weight ▁loss ▁as ▁long ▁as ▁patients ▁get ▁good ▁follow - up ▁care ▁and ▁are ▁willing ▁to ▁carefully ▁control ▁the ▁way ▁they ▁eat . ▁This ▁study ▁was ▁supported ▁by ▁All er gan ▁Inc ., ▁which ▁mark ets ▁a ▁g astr ic ▁band ▁system . ▁ ▁Band ▁adjust ments ▁and ▁weight ▁loss ▁Correct ▁and ▁sensitive ▁adjust ment ▁of ▁the ▁band ▁is ▁imper ative ▁for ▁weight ▁loss ▁and ▁the ▁long - term ▁success ▁of ▁the ▁procedure . ▁Ad just ments ▁( also ▁called ▁" fill s ") ▁may ▁be ▁performed ▁using ▁an ▁X - ray ▁flu or os cope ▁so ▁that ▁the ▁radi ologist ▁can ▁assess ▁the ▁pla cement ▁of ▁the ▁band , ▁the ▁port , ▁and ▁the ▁tub ing ▁that ▁runs ▁between ▁the ▁port ▁and ▁the ▁band . ▁The ▁patient ▁is ▁given ▁a ▁small ▁cup ▁of ▁liquid ▁containing ▁a ▁clear ▁or ▁white ▁radio - op aque ▁fluid ▁similar ▁to ▁b arium . ▁When ▁sw allowed , ▁the ▁fluid ▁is ▁clearly ▁shown ▁on ▁X – ray ▁and ▁is ▁watched ▁as ▁it ▁travel s ▁down ▁the ▁es oph ag us ▁and ▁through ▁the ▁restriction ▁caused ▁by ▁the ▁band . ▁The ▁radi ologist ▁is ▁then ▁able ▁to ▁see ▁the ▁level ▁of ▁restriction ▁in ▁the ▁band ▁and ▁to ▁assess ▁if ▁there ▁are