A prospective case control study was done comparing cats with CHD disease (defined by hyperbilirubinemia and increased alanine aminotransferase), sick cats without hepatobiliary disease, and normal cats repre- Sixty-nine studies, including seven conference abstracts, reporting perioperative and/or clinical and/or surgical/interventional outcomes of dogs managed with one surgical/interventional technique and/or medical management for cEHPSS were identified.