• Claudia Fernandez-Robles and Adriana D Oprea.
• Yale School of Medicine, New Haven, Connecticut, USA.
• Curr Opin Anaesthesiol. 2020 Aug 1; 33 (4): 520-526.

Purpose Of ReviewAdvances in early diagnosis and treatment of diseases using minimally invasive procedures has led to an increase in the number of cases in locations outside the operating room. This surge created the need for anesthesia services to expand to these areas to provide well tolerated and favorable procedural conditions. The present review describes nonoperating room anesthesia patterns in different parts of the world.Recent FindingsNonoperating room anesthesia has grown exponentially over the last years. Patients scheduled in these areas are sicker and older compared to the operating room patients. Anesthesiologist-directed care has proven to be well tolerated, with less serious complications and improvement in patients and proceduralist satisfaction.SummaryThere are marked variations in how anesthesia services are delivered in out of operating room locations in different parts of the world. Although there are some data available from the United States, expansion of minimally invasive procedures across continents will likely lead to the emergence of various models of delivering anesthetic care.

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