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Epidemiology of severe heart disease among Unified Health System (SUS) users in Rio Grande do Norte: a

Gustavo Gomes Torres1, Angelo Giuseppe Roncalli2

  • 1Programa de Pós-Graduação em Saúde Pública, Universidade Federal do Rio Grande do Norte (UFRN), Natal, Rio Grande do Norte, Brazil.

Sao Paulo Medical Journal = Revista Paulista De Medicina
|July 10, 2025
PubMed

Insights

This study analyzed 894 patients undergoing artificial cardiac stimulation (ACS) for severe heart disease. Findings reveal a random spatial distribution of cases, suggesting adequate service accessibility.

Area of Science:

  • Cardiology
  • Epidemiology
  • Public Health

Background:

  • Severe heart disease presents significant prevalence, morbidity, and mortality.
  • Artificial cardiac stimulation (ACS) is crucial in advanced heart disease management.
  • Service-based procedure analysis aids population health insights.

Purpose of the Study:

  • To determine the epidemiological profile of severe heart disease patients in Rio Grande do Norte.
  • To document all patients receiving ACS within a Unified Health System reference center.
  • To analyze the spatial distribution of severe heart disease cases.

Main Methods:

  • Cross-sectional study of 894 patients undergoing ACS from 2006-2021.
  • Data collection included sociodemographic factors, procedures, and health conditions.
  • Spatial analysis assessed case distribution by municipality.

Main Results:

  • The cohort comprised 59.8% males with a mean age of 65.5 years.
  • Common indications included third-degree atrioventricular block (191 patients) and ischemic etiology (269 patients).
  • Hypertension (69.5%), dyspnea (398 patients), diabetes (24.4%), and dyslipidemia (31.7%) were prevalent. Spatial analysis showed no significant clustering.

Conclusions:

  • The study's service-specific characteristics may influence findings compared to literature.
  • Severe heart disease distribution was random across the state.
  • This suggests adequate access to reference services, even without a formal care flowchart.
Abstract

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