Resumen

MONTES SANTIAGO, J.; REY GARCIA, G.  y  MEDIERO DOMINGUEZ, A.. Seasonal variations in morbidity and mortality for pulmonary embolism in Galicia, Spain. An. Med. Interna (Madrid) [online]. 2003, vol.20, n.9, pp.19-22. ISSN 0212-7199.

Objectives: The goal of this report was to analyze the seasonal variation in the pulmonary embolism (EP) hospitalizations and mortality at the hospitals of the Galician Service of Health (SERGAS) in the Norwest of Spain, during the period 1996-2001. Methods: The Related Group of Diagnosis (DRG) 78 (pulmonary embolism) from the SERGAS hospital discharge dataset during the 6-year period was examined. Age, sex, month of discharge and seasonal period was annotated. Results: A total of 2831 hospitalizations for TEP were recorded (44 % males, mean inhospital stay: 12,8 days, 70 % > 65 years). Montly median was 38 discharges and the variations above and below this were +26% (December) and -25% (July), respectively. There were more frequents hospitalizations in autumn (OR: 1.35, 95%CI:1.19-1.53) and winter (OR: 1.29, CI:1.14-1.46). Mortality peaked in spring (OR:2.18, CI:1.18-4.05). Nearly 83 % of these deaths occurred in persons >75 years old. Conclusions: We observed a marked increase in EP hospitalizations during colder months and in mortality during spring. These observations may have implications in the adoption of preventive measures.

Palabras clave : Pulmonary embolism; Seasonal variation.

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