Presse medicale (Paris, France : 1983) · 1997
[Blood levels of homocysteine in patients under 55 years of age with acute coronary insufficiency].
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Gibelin P, Candito M, Houenassi M, Van Obberghen E, Morand P, Baudouy M
Аннотация
OBJECTIVES: High blood levels of homocysteine have been recently described as a risk factor for thromboembolic events and early development of atherosclerosis. The aim of this work was to study homocysteine blood levels in patients under 55 years of age with acute coronary artery disease.
PATIENTS AND METHODS: The study included 110 patients (98 men, 12 women) with poorly controlled angina pectoris (n = 35) or in the acute phase of myocardial infarction (n = 65). Homocysteine was assayed by liquid chromatography in all patients on the day of the acute episode and 24 hours later. Homocysteine levels were also determined in 40 controls under 55 years of age with no history of coronary artery disease.
RESULTS: Blood level of homocysteine was 10.6 +/- 6.2 mumol/l in the patients and 7.7 +/- 2.5 mumol/l in the controls (p < 0.01). The difference was greater in the 30-40 year age rang with 14.4 +/- 2 mumol/l in patients versus 6.4 +/- 1.5 mumol/l in controls (p < 0.001). The assays were reproducible at 24 hours (difference less than 10%). The levels were significantly higher in patients with several diseased arteries than those with single-artery disease. The difference between patients and controls was especially remarkable for non-smokers and those with high cholesterol levels.
CONCLUSION: Hyperhomocysteinemia would be a factor favoring early development of coronary atherosclerosis.
PATIENTS AND METHODS: The study included 110 patients (98 men, 12 women) with poorly controlled angina pectoris (n = 35) or in the acute phase of myocardial infarction (n = 65). Homocysteine was assayed by liquid chromatography in all patients on the day of the acute episode and 24 hours later. Homocysteine levels were also determined in 40 controls under 55 years of age with no history of coronary artery disease.
RESULTS: Blood level of homocysteine was 10.6 +/- 6.2 mumol/l in the patients and 7.7 +/- 2.5 mumol/l in the controls (p < 0.01). The difference was greater in the 30-40 year age rang with 14.4 +/- 2 mumol/l in patients versus 6.4 +/- 1.5 mumol/l in controls (p < 0.001). The assays were reproducible at 24 hours (difference less than 10%). The levels were significantly higher in patients with several diseased arteries than those with single-artery disease. The difference between patients and controls was especially remarkable for non-smokers and those with high cholesterol levels.
CONCLUSION: Hyperhomocysteinemia would be a factor favoring early development of coronary atherosclerosis.