Editing Perioperative mortality (section)

{{short description|Any death occurring within 30 days after surgery}}
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'''Perioperative mortality''' has been defined as any [[death]], regardless of cause, occurring within 30 days after surgery in or out of the hospital.<ref name="mortality">{{cite journal | vauthors = Johnson ML, Gordon HS, Petersen NJ, Wray NP, Shroyer AL, Grover FL, Geraci JM | s2cid = 10839493 | title = Effect of definition of mortality on hospital profiles | journal = Medical Care | volume = 40 | issue = 1 | pages = 7–16 | date = January 2002 | pmid = 11748422 | doi = 10.1097/00005650-200201000-00003 }}</ref> Globally, 4.2 million people are estimated to die within 30 days of surgery each year.<ref name="Global burden of postoperative deat">{{cite journal | vauthors = Nepogodiev D, Martin J, Biccard B, Makupe A, Bhangu A | title = Global burden of postoperative death | language = en | journal = Lancet | volume = 393 | issue = 10170 | pages = 401 | date = February 2019 | pmid = 30722955 | doi = 10.1016/S0140-6736(18)33139-8 | doi-access = free | hdl = 20.500.11820/6088a4db-74af-4cc7-9ff4-21eb83da8d88 | hdl-access = free }}</ref> An important consideration in the decision to perform any surgical procedure is to weigh the benefits against the risks. [[Anesthesiologist]]s and [[surgeon]]s employ various methods in assessing whether a patient is in optimal condition from a medical standpoint prior to undertaking surgery, and various statistical tools are available. [[ASA score]] is the most well known of these.{{citation needed|date=February 2022}}