Incidence and risk factors for near-fatal and fatal outcomes after perioperative and periprocedural anaphylaxis in the USA, 2005-2014.

The incidence of fatal and near-fatal outcomes after perioperative anaphylaxis is unknown in the USA. Previously identified risk factors of neuromuscular-blocker-induced fatal perioperative anaphylaxis include male sex, obesity, and use of beta blockers. We examined the incidence of fatal and near-fatal outcomes after perioperative anaphylaxis in the USA and the underlying risk factors using a large national database. Using the Nationwide Inpatient Sample from 2005 to 2014, we identified cases of fatal and near-fatal perioperative anaphylaxis, defined as perioperative anaphylaxis cases complicated by respiratory or cardiac arrest, using the International Classification of Diseases, Ninth Revision, Clinical Modification codes. Amongst 5223 perioperative anaphylaxis cases, the proportion of near-fatal or fatal cases attributable to perioperative anaphylaxis was 7.0% (95% confidence interval [CI]: 6.2-7.7), with near-fatal perioperative anaphylaxis cases accounting for 5.0% (95% CI: 4.4-5.6%) and fatal cases accounting for 2.0% (95% CI: 1.5-2.5%) of cases overall. Thus, the incidence of fatal or near-fatal perioperative anaphylaxis is 1.26 in 100 000 procedures. Risk factors for fatal or near-fatal perioperative anaphylaxis include age (≥65 yr); undergoing a cardiac procedure; and comorbid conditions of weight loss, non-metastatic solid tumours, metastatic cancer, paralysis, coagulopathy, renal failure, congestive heart failure, fluid and electrolyte disorder, and neurological disorders. Individuals with near-fatal or fatal perioperative anaphylaxis reactions had increased lengths of stay and hospital costs compared with controls. The incidence of fatal or near-fatal perioperative anaphylaxis in the USA was 1.26 in 100 000 procedures. Risk factors for fatal or near-fatal outcomes include older age, cardiac procedures, and specific comorbidities. Copyright © 2021 British Journal of Anaesthesia. Published by Elsevier Ltd. All rights reserved.

Citation

Alexei Gonzalez-Estrada, Ronna L Campbell, Ismael Carrillo-Martin, J Ross Renew, Matthew A Rank, Gerald W Volcheck. Incidence and risk factors for near-fatal and fatal outcomes after perioperative and periprocedural anaphylaxis in the USA, 2005-2014. British journal of anaesthesia. 2021 Dec;127(6):890-896

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PMID: 34330411

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