1999b-588 2012e-457 arthroplasty atlases bariatricsurgery control digestivesystemsurgicalprocedures disorders hip hipjoint hipprosthesis malabsorptionsyndromes metabolicdiseases metabolism methods morbid morbidobesity obesity operative postoperativecomplications prevention prosthesisfailure replacement surgery surgicalprocedures totalhipreplacement we860r4541982 we860r45421999 we860w957r1990 wi17