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Title: Acute cerebrovascular disease discharges from public institutions of the Mexican Ministry of Health: An analysis on 5.3 millions of hospitalizations in 2010 [Egresos por enfermedad vascular cerebral aguda en instituciones p�blicas del sector salud de M�xico: Un an�lisis de 5.3 millones de hospitalizaciones en 2010]
Author: Chiquete, E.
Ruiz-Sandoval, J.L.
Murillo-Bonilla, L.M.
Arauz, A.
Villarreal-Careaga, J.
Leon-Jimenez, C.
Barinagarrementeria, F.
Cantu-Brito, C.
Issue Date: 2012
Abstract: Introduction: Cerebrovascular disease (CVD) mortality in Mexico has shown a growing pattern in recent years. It is not known whether data obtained in the important multicenter CVD Mexican registries adequately represent all the hospital units of the health system. Objective: To describe the frequency of acute CVD subtypes and shortterm outcome in discharge registries from public institutions of the Mexican health system, during the year 2010. Methods: We consulted the Mexican public health system database of hospital discharges corresponding to the year 2010 (Secretar�a de Salud, IMSS, IMSS Oportunidades, ISSSTE, PEMEX, SEMAR y SEDENA). CVD registries were identified with the International Classification of Diseases 10th revision codes (ICD-10). Specified CVD was defined as the existence of ICD-10 codes describing precise CVD subtypes. Results: In 2010, a total of 5,314,132 hospital discharges were registered in the Mexican public health system. Of them, 46,247 (0.9%) were acute CVD including: acute ischemic stroke (AIS) 20,298 (43.9%), intracerebral hemorrhage (ICH) 6,005 (13.0%), subarachnoid hemorrhage 2,655 (5.7%), cerebral venous thrombosis (CVT) 194 (0.4%) and non-specified CVD 17,095 (37.0%). Among specified CVD discharges (n=29,152), 69.6% corresponded to AIS, 20.6% to ICH, 9.1% to SAH and 0.7% to CVT. The global 30-day case fatality rate was 17.1% (18.8% among specified subtypes); higher for ICH (33.6%), followed by SAH (29.3%) and AIS (13.9%) (p < 0.001). Conclusions: The relative frequency of acute CVD subtypes by the year 2010 was similar to that of the previous Mexican multicenter registries. Short-term mortality is higher in hemorrhagic forms of CVD, as compared with ischemic stroke.
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