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  • Title: Global and regional wall motion and contractility of the left ventricle following cigarette smoking.
    Author: Strauer BE, Mahmoud MA, Bayer F, Bohn I, Hahn B, Motz U.
    Journal: Klin Wochenschr; 1984; 62 Suppl 2():2-10. PubMed ID: 6237223.
    Abstract:
    The hemodynamic and contractile effects of acute cigarette smoking were analyzed in 35 patients with normal cardiac and coronary function as well as with cardiac failure and with coronary artery disease. In normal patients (normal ventricular function, normal coronary arteriogram) cigarette smoking exhibited no contractile depressant effects. Moderate increase in global and in regional wall motion and contractility was found. Likewise, in patients with compensated hypertensive hypertrophy (normal ventriculogram, significant left ventricular hypertrophy, normal coronary arteriogram) cigarette smoking increased global and regional contraction function. In cardiac disease patients (dilatative cardiomyopathy, advanced coronary artery disease, decompensated hypertensive heart disease) cigarette smoking was associated with depression in the overall and regional contraction behavior of the left ventricular myocardium. In patients with coronary artery disease, cigarette smoking was accompanied by marked depression of the regional contraction pattern in hypokinetic, akinetic, and dyskinetic zones. Moreover, contractile depression also occurred in the non-ischemic zones, without pre-existing coronary artery stenoses. In conclusion, acute cigarette smoking may not cause contractile depressant effects in normal patients and patients with compensated hypertensive hypertrophy. However, in coronary patients, significant negative inotropic effects are present not only in the ischemic zones, but also in the non-ischemic myocardium.
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