左心室造影后心肌乳酸平衡。

European journal of cardiology Pub Date : 1980-01-01
O Visioli, S Bongrani, F Cucchini, M di Donato, R Ferrari
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引用次数: 0

摘要

为了研究造影剂对心肌代谢的影响,我们测定了16例正常患者(I组)和29例冠心病患者(II组)左心室血管造影时乳酸提取的百分比。乳酸的吸收后评估心房踱步(10位病人组我和13个病人组II)和之后造影术(6例组我和9组患者II)。正常的患者通常没有显示左侧脑室造影术后心肌乳酸生产而冠状动脉疾病患者冠状窦显示净乳酸生产,后获得的类似造影术后心房刺激和踱来踱去。这些结果表明,心室造影可以作为一种有用的技术来评估冠状动脉疾病患者乳酸摄取或释放到冠状动脉窦的动力学,并且在这方面可以用于研究主动脉瓣疾病的心肌代谢和评估不同造影剂的毒性。
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Myocardial lactic acid balance after left ventriculography.

In order to study the effects of contrast media on myocardial metabolism the percentage of lactic acid extraction during left ventricular angiography has been determined in 16 normal patients (Group I), and in 29 patients with coronary artery disease (Group II). In addition, the lactic acid uptake was evaluated after atrial pacing (in 10 patients of Group I and in 13 patients of Group II) and after aortography (in 6 patients of Group I and in 9 patients of Group II). Normal patients usually did not show a myocardial lactic acid production after left ventriculography while the patients with coronary artery disease showed a net lactic acid production in the coronary sinus, which was similar to that obtained after atrial pacing stimulation and after aortography. These results indicate that ventriculography can be a useful technique to assess the kinetics of lactic acid uptake or release into the coronary sinus in patients with coronary artery disease and, in this respect could be useful for studying myocardial metabolism in aortic valve disease and to assess the toxicity of different contrast media.

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