No abstract available.
Anesthesia, Spinal* ; Coronary Vasospasm* ; Epinephrine*

No abstract available.
Anesthesia, Spinal* ; Coronary Vasospasm* ; Epinephrine*

No abstract available.
Coronary Vasospasm* ; Heart Arrest* ; Verapamil*

No abstract available.
Coronary Vasospasm* ; Death, Sudden, Cardiac* ; Smoke* ; Smoking*

Intercoronary arterial connection between normal coronary arteries is a rare variant of coronary anatomy in which there is open-ended circulation. It is distinguished from collaterals seen in the occlusive coronary artery disease. We report a case of bidirectional intercoronary communication between the left circumflex artery and the right coronary artery without occlusive coronary artery disease, but with left anterior descending artery spasm.
Arteries ; Coronary Artery Disease ; Coronary Vasospasm ; Coronary Vessel Anomalies ; Coronary Vessels ; Spasm

Coronary Vasospasm ; diagnosis ; Female ; Humans ; Myocardial Ischemia ; diagnosis

OBJECTIVEThis coronary artery spasm review aimed to explore the most possible pathogenic trigger mechanism of vulnerable plaque rupture.

DATA SOURCESData used in this coronary artery spasm review were mainly from Medline and Pubmed in English.

STUDY SELECTIONThese reports from major review on coronary artery spasm. and these research included coronary artery conception, pathogenesis of spasm, mechanisms of plaque rupture, epidemiological evidence, clinical manifestation and the relationship between coronary artery spasm and vulnerable plaque rupture.

RESULTSCoronary artery spasm is somehow related to the presence of atherosclerotic intima disease in the coronary artery. However, chronic low-grade inflammation causes coronary vessel smooth muscle cell hypersensitivity, which can directely cause coronary artery spasm. Myocardial infarction and sudden cardiac death may be initiated by a sudden intense localized contraction of coronary artery smooth muscle.

CONCLUSIONCoronary artery spasm may be one trigger that can initiate and exacerbate vulnerable plaque rupture.

Diagnosing and selecting an appropriate treatment strategy for left main coronary artery (LMCA) obstruction is very important. Although this disease is not frequently encountered, it can cause severe hemodynamic deterioration resulting in a less favorable prognosis without a suitable management approach. Another aspect of LMCA that we must not overlook is coronary artery spasm, which can be an infrequent but important cause of acute coronary syndrome. Although it is rare, LMCA can cause critical complications. In this study, we report the case of a 35-year-old female who was admitted to the hospital with a diagnosis of acute myocardial infarction with ST-segment elevation in the aVR lead caused by a left main coronary spasm that was examined on intravascular ultrasound.
Acute Coronary Syndrome ; Adult ; Coronary Vasospasm ; Coronary Vessels ; Electrocardiography ; Female ; Hemodynamics ; Humans ; Myocardial Infarction ; Prognosis ; Spasm

Aged ; Angina Pectoris, Variant ; physiopathology ; Coronary Vasospasm ; physiopathology ; Coronary Vessels ; physiopathology ; Humans ; Male

Brugada Syndrome ; etiology ; physiopathology ; Coronary Artery Disease ; physiopathology ; Coronary Vasospasm ; physiopathology ; Electrocardiography ; Humans ; Male ; Middle Aged