First-Ever Stroke and Transient Ischemic Attack Incidence and 30-Day Case-Fatality Rates in a Population-Based Study in Argentina

M Cecilia Bahit, Mariano L Coppola, Patricia M Riccio, Lauren E Cipriano, Gregory A Roth, Renato D Lopes, Valery L Feigin, Brenda Borrego Guerrero, Maximiliano De Martino, Alejandro Díaz, Daniel Ferrante, Fernando Funaro, Pablo Lavados, M Laura Lewin, Daniel H López, Patricia Macarrone, Rafael Marciello, Diego Marino, Cecilia Martens, Paula MartínezGuillermo Odriozola, Alejandro A Rabinstein, Gustavo Saposnik, Damián Silva, Ramón Suasnabar, Thomas Truelsen, Araceli Uzcudun, Carlos A Viviani, Luciano A Sposato

48 Citationer (Scopus)

Abstract

BACKGROUND AND PURPOSE: Epidemiological data about stroke are scarce in low- and middle-income Latin-American countries. We investigated annual incidence of first-ever stroke and transient ischemic attack (TIA) and 30-day case-fatality rates in a population-based setting in Tandil, Argentina.

METHODS: We prospectively identified all first-ever stroke and TIA cases from overlapping sources between January 5, 2013, and April 30, 2015, in Tandil, Argentina. We calculated crude and standardized incidence rates. We estimated 30-day case-fatality rates.

RESULTS: We identified 334 first-ever strokes and 108 TIAs. Age-standardized incidence rate per 100 000 for Segi's World population was 76.5 (95% confidence interval [CI], 67.8-85.9) for first-ever stroke and 25.1 (95% CI, 20.2-30.7) for first-ever TIA, 56.1 (95% CI, 48.8-64.2) for ischemic stroke, 13.5 (95% CI, 9.9-17.9) for intracerebral hemorrhage, and 4.9 (95% CI, 2.7-8.1) for subarachnoid hemorrhage. Stroke incidence was slightly higher for men (87.8; 95% CI, 74.6-102.6) than for women (73.2; 95% CI, 61.7-86.1) when standardized for the Argentinean population. Thirty-day case-fatality rate was 14.7% (95% CI, 10.8-19.5) for ischemic stroke, 24.1% (95% CI, 14.2-36.6) for intracerebral hemorrhage, and 1.9% (95% CI, 0.4-5.8) for TIA.

CONCLUSIONS: This study provides the first prospective population-based stroke and TIA incidence and case-fatality estimate in Argentina. First-ever stroke incidence was lower than that reported in previous Latin-American studies, but first-ever TIA incidence was higher. Thirty-day case-fatality rates were similar to those of other population-based Latin-American studies.

OriginalsprogEngelsk
TidsskriftStroke
Vol/bind47
Udgave nummer6
Sider (fra-til)1640-2
Antal sider3
ISSN0039-2499
DOI
StatusUdgivet - jun. 2016

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