Why the study?
Epidemiological data on surgical care and outcomes have been notably lacking across Latin America.
The study provides robust insights into 7-day postoperative outcomes across diverse health-care systems in Latin America, a region previously lacking epidemiological data on surgical care.
High failure-to-rescue after mostly low-risk surgery may signal ward-care gaps now; leaves open context-specific postoperative intervention trials.
The Latin American Surgical Outcomes Study (LASOS) represents a landmark contribution to the understanding of surgical outcomes in Latin America, a region where epidemiological data on surgical care has been notably lacking. This 7-day prospective cohort study,1 conducted across 17 countries and involving over 22 000 patients, provides robust insights into the postoperative outcomes in a diverse range of health-care systems.
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Avellaneda et al. (2025) studied this question.
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