Articles: mortality.
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This is a report of a 26-year-old woman who died of a massive intestinal infarction caused by occlusion of the celiac axis and the superior and inferior mesenteric arteries. Autopsy showed intimal hyperplasia and an overlying thrombus that obstructed the lumen of the vessel. ⋯ In this case report we want to emphasize that the association between smoking and oral contraceptives can cause cardiovascular disease in young women. Failure to recognize this fact could result in delayed diagnosis and worsen the prognosis.
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The seasonal variation of coronary heart disease mortality rates in New Zealand is analysed by age, sex and race using monthly national mortality data for the period 1970-83. A 35% variation from the winter peak to summer low is found in the crude mortality rate, but the size of the seasonal variation is age-dependent, being more pronounced in the elderly, and more so in males than in females. ⋯ By partial correlation analysis and by examining the residual correlation after filtering the seasonal variation from both series, it is suggested that the season acts as a confounding factor to cause an apparent association between the two rates. After controlling for season there is a tenuous relationship, but it is apparent only in the elderly.