title: Acute cholecystitis: WSES position statement.
abstract: BACKGROUND
  The management of acute calculous cholecystitis still offers room for debate in terms of diagnosis, severity scores, treatment options and timing for surgery.
  
  
  METHODS
  A systematic review about the treatment of acute cholecystitis has been completed. The recommendations of recent guidelines have also been examined taking into account the results of the review.
  
  
  RESULTS
  The evidence available in the literature supports the recommendation about laparoscopic cholecystectomy as treatment of choice for acute cholecystitis. Surgery should be performed as soon as possible after the diagnosis because early treatment reduces total hospital stay and does not increase complication or conversion rates. The antibiotics can play different roles and attention should be posed to the risk of emerging resistance. A surgical or percutaneous drainage of the gallbladder is advocated by some authors in the advanced forms of inflammation or patients with severe co-morbidities; however, the available evidence does not support it, and further studies are necessary to clarify its role.
authors.affiliation: Division of Surgery, Ospedale San Giovanni Decollato - Andosilla, Civita Castellana, VT Italy.
authors.forename: Fabio Cesare
authors.initials: FC
authors.lastname: Campanile
authors.affiliation: General Surgery Department, Papa Giovanni XXIII hospital, Bergamo, Italy.
authors.forename: Michele
authors.initials: M
authors.lastname: Pisano
authors.affiliation: General Surgery Department, Papa Giovanni XXIII hospital, Bergamo, Italy.
authors.forename: Federico
authors.initials: F
authors.lastname: Coccolini
authors.affiliation: Department of Emergency Surgery, Maggiore Parma Hospital, Parma, Italy.
authors.forename: Fausto
authors.initials: F
authors.lastname: Catena
authors.affiliation: Department of General Surgery, ULSS19 del Veneto, Adria, RO Italy.
authors.forename: Ferdinando
authors.initials: F
authors.lastname: Agresta
authors.affiliation: General Surgery Department, Papa Giovanni XXIII hospital, Bergamo, Italy.
authors.forename: Luca
authors.initials: L
authors.lastname: Ansaloni