Diffuse or segmental narrowing (spasm) of the coronary arteries during smoking demonstrated on angiography

Maouad, J; Fernandez, F; Barrillon, A; Gerbaux, A

doi:10.1016/0002-9149(84)90464-8

Cited by 67 publications

(7 citation statements)

References 5 publications

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“…Several studies have shown that chronic smokers have an increased risk of cardiovascular disease, such as atherosclerosis, coronary heart disease, and sudden death. In addition, smoking causes endothelial dysfunction, a decrease in coronary reserve, and vasospasms [3][4][5] .…”

mentioning

confidence: 99%

A exposição crônica à fumaça do cigarro resulta em remodelação cardíaca e prejuízo da função ventricular em ratos

Castardeli¹,

Paiva²,

Matsubara³

et al. 2005

Arq. Bras. Cardiol.

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mentioning

confidence: 99%

A exposição crônica à fumaça do cigarro resulta em remodelação cardíaca e prejuízo da função ventricular em ratos

Castardeli¹,

Paiva²,

Matsubara³

et al. 2005

Arq. Bras. Cardiol.

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“…Acute effects of nicotine include increase in myocardial oxygen demand, coronary vascular tone mediators, increasing the heart rate, and systemic blood pressure but decreasing the coronary blood flow and coronary flow reserve (17). Acute cigarette consumption temporarily reduces nitrate, nitrite and concentrations of antioxidants in plasma that is associated with the high blood pressure and higher HR.…”

Section: Discussionmentioning

confidence: 99%

Acute and Chronic Effect of Cigarette on Right and Left Ventricular Diastolic Function

Seyedian

Majididi

Asgharinejad

et al. 2015

Jentashapir J Health Res

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Background: One billion people in the world are addicted to cigarettes; due to smoking and related illnesses, over five million people in the world, suffered death yearly. Epidemiological studies have shown that more than one case out of 10 cases of cardiovascular deaths, which include 54% of all deaths worldwide, is due to cigarettes. Objectives: The current study aimed to evaluate the acute and chronic effects of smoking on the left and right ventricular (RV) diastolic function. Patients and Methods: One hundred healthy male, 50 smokers and 50 non-smokers, underwent echocardiography, before smoking and 5 and 30 minutes after it to compare diastolic function of left ventricular (LV) and RV and examine the chronic and acute effects of smoking. Results: Atrial late diastolic mitral inflow velocity (A m) Atrial and late diastolic septal mitral annular velocity (a ms) were high in smokers in comparison to those of the control group before smoking, but there was no difference in tricuspid diastolic parameters. Five minutes later, isovolumetric relaxation time (IVRT) was prolonged and a ms further increased as a sign of LV diastolic dysfunction. Similar changes occurred in RV, in favor of acute RV diastolic dysfunction. After 30 minutes, early diastolic tricuspid inflow (E t) decreased and a ms and late diastolic tricuspid inflow (A t) remained high. After five minutes, diastolic blood pressure increased, but returned to normal state after 30 minutes. Pulmonary arterial pressure did not change before and after smoking. Conclusions: Chronic smoking caused left ventricular diastolic dysfunction. Acute intake caused left and right ventricular diastolic dysfunction. Changes persisted up to 30 minutes after smoking, although diastolic blood pressure returned to normal state.

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“…Ischemia occurring during routine daily activities, identified by AECG monitoring, typically occurs at a heart rate 10-20% lower than the heart rate at which ischemia develops during an ETT, 6 and the heart rate threshold at which ischemia occurs varies substantially, 7,8 suggesting that varying degrees of coronary vasoconstriction play an important role in ambulatory ischemia. A variety of stimuli typically experienced during outpatient activities consistently provoke episodic coronary vasoconstriction in the laboratory: mental or emotional stress, 9,10 anger, 11 exercise, 12 cigarette smoking, 13 and exposure to cold. 14 Andrews et al 15 related the minute-by-minute heart rate profile of stable coronary patients to the episodes of daily life ischemia and found that only 20% of ischemic episodes occurred in the absence of a heart rate increase, which would be the case if vasoconstriction was the primary pathophysiologic mechanism, and that approximately 80% of ischemic episodes were preceded by an increase in heart rate.…”

Section: Significance Of Aecg Ischemia In the Coronary Syndromes Stabmentioning

confidence: 99%

ST‐Segment Analysis in Ambulatory ECG (AECG or Holter) Monitoring in Patients with Coronary Artery Disease: Clinical Significance and Analytic Techniques

Stone

2005

Noninvasive Electrocardiol

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Diffuse or segmental narrowing (spasm) of the coronary arteries during smoking demonstrated on angiography

Cited by 67 publications

References 5 publications

A exposição crônica à fumaça do cigarro resulta em remodelação cardíaca e prejuízo da função ventricular em ratos

A exposição crônica à fumaça do cigarro resulta em remodelação cardíaca e prejuízo da função ventricular em ratos

Acute and Chronic Effect of Cigarette on Right and Left Ventricular Diastolic Function

ST‐Segment Analysis in Ambulatory ECG (AECG or Holter) Monitoring in Patients with Coronary Artery Disease: Clinical Significance and Analytic Techniques

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