• Rosario Fornaro, Giuseppe Caristo, Raffaele De Rosa, Carlo Alberto Ammirati, Alba Oliva, Paola Batistotti, Matteo Mascherini, and Marco Frascio.
• Ann Ital Chir. 2019 Jan 1; 90: 432-441.

BackgroundThe treatment of acute diverticulitis is a matter of debate and has undergone significant changes. Currently the main focus of surgical treatment is a more conservative and less invasive management.Aims And MethodsTo focus the role of surgery in the treatment of acute diverticulitis, the Authors have conducted a review of the literature of the last two decades and have revised critically their own experience.ResultsThe indications for elective surgery based on the number of episodes, the young age at diagnosis and the presence of risk factors such as immunosuppression, have to be overcome in favour of a more individual approach based on the severity of the disease. Similarly the presence of pneumoperitoneum is no longer a compelling indication for urgent surgery just as it was in the past. In the treatment of complicated diverticulitis with abscess (Hinchey I-II) is used more and more conservative treatments consisting of guided percutaneous drainage combined with antibiotics. Resection with primary anastomosis with or without diverting ileostomy is preferable to Hartmann's procedure in case of perforated diverticulitis with peritonitis (Hinchey III-IV), using the latter only in the case of comorbidities, severe sepsis, hemodynamic instability or longtime feculent peritonitis (Hinchey IV). Recently, laparoscopic peritoneal lavage was introduced in the treatment of diverticulitis.ConclusionsThanks to the progress made in conservative and interventional treatment and laparoscopic surgery, an increasingly less invasive treatment is proposed in the management of acute diverticulitis.Key WordsAcute diverticulitis, Laparoscopic surgery, Surgical treatment.

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