Abstract

Introducion: This study addresses the critical need to analyze thrombectomy application and outcomes for venous thromboembolism (VTE) within the Brazilian healthcare system. It aims to investigate the landscape of thrombectomy for VTE using hospital records from the Brazilian Unified Health System (SUS), understanding its utilization characteristics and associated national outcomes.

Materials and Methods: An ecological, descriptive time-series study with a quantitative approach was con ducted using secondary data from public information systems. Data on hospital admissions for venous system thrombectomy and heart failure within the SUS, from 2008 to 2024, were obtained from the Hospital Informa tion System (SIH/SUS) via DATASUS and the TABNET tabulator. The analysis unit was Brazilian geographic regions, including the Federal District.

Results: From 2008 to 2024, 36,365 thrombectomy admissions were recorded, with 494 deaths, costing ap proximately US$5 million to the SUS. The national mortality rate was 2.9%, showing significant regional disparities, with the Northeast and Midwest at 4.7%. Statistically significant correlations were found between hospital stay length and VTE mortality in the Northeast and Southeast, and between VTE and heart failure incidence in the North and South.

Conclusion: The study highlights the complex implementation of thrombectomy in Brazil, underscoring its clinical benefits alongside persistent regional disparities. It acknowledges that correlations from aggregated data do not imply individual causality and may be subject to ecological fallacy.

DOI: doi.org/10.63721/25JCVI0103

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