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Jenkins K, Pompei G, Ganzorig N, Brown S, Beltrame J, Kunadian V. Vasospastic angina: a review on diagnostic approach and management. Ther Adv Cardiovasc Dis 2024; 18:17539447241230400. [PMID: 38343041 PMCID: PMC10860484 DOI: 10.1177/17539447241230400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Accepted: 01/17/2024] [Indexed: 02/15/2024] Open
Abstract
Vasospastic angina (VSA) refers to chest pain experienced as a consequence of myocardial ischaemia caused by epicardial coronary spasm, a sudden narrowing of the vessels responsible for an inadequate supply of blood and oxygen. Coronary artery spasm is a heterogeneous phenomenon that can occur in patients with non-obstructive coronary arteries and obstructive coronary artery disease, with transient spasm causing chest pain and persistent spasm potentially leading to acute myocardial infarction (MI). VSA was originally described as Prinzmetal angina or variant angina, classically presenting at rest, unlike most cases of angina (though in some patients, vasospasm may be triggered by exertion, emotional, mental or physical stress), and associated with transient electrocardiographic changes (transient ST-segment elevation, depression and/or T-wave changes). Ischaemia with non-obstructive coronary arteries (INOCA) is not a benign condition, as patients are at elevated risk of cardiovascular events including acute coronary syndrome, hospitalization due to heart failure, stroke and repeat cardiovascular procedures. INOCA patients also experience impaired quality of life and associated increased healthcare costs. VSA, an endotype of INOCA, is associated with major adverse events, including sudden cardiac death, acute MI and syncope, necessitating the study of the most effective treatment options currently available. The present literature review aims to summarize current data relating to the diagnosis and management of VSA and provide details on the sequence that treatment should follow.
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Donmez YN, Erat M, Tapci AE, Yigit H. Acute coronary syndrome due to multi-vessel coronary artery spasm in an Afghan refugee adolescent mimicking recurrent myocarditis. Cardiol Young 2023; 33:2434-2437. [PMID: 37485821 DOI: 10.1017/s1047951123002573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/25/2023]
Abstract
Vasospastic angina is extremely uncommon for adolescents to experience chest discomfort, which is defined by transitory ST segment elevation or depression and angina symptoms that occur while at rest. It may result in potentially fatal conditions like myocardial infarction, ventricular fibrillation, or even sudden cardiac arrest. To aim of this article is to report a very rare case of a 17-year-old male Afghan refugee who was diagnosed with vasospastic angina after presenting with chest pain, and after receiving calcium channel blocker and nitrates for medical therapy, there were no angina attacks. Our case underlines the value of a thorough evaluation of adolescent's chest pain, the need to diagnose based on the symptoms, and the necessity of performing coronary angiography to rule out coronary causes when there is a high suspicion to a cardiac cause.
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Mattia D, Matney C, Zangwill S, Wisotzkey B, Rhee E, Knoll C. Prinzmetal angina in a child with actin gene ACTC1 mutation. Cardiol Young 2023; 33:2440-2442. [PMID: 37489518 DOI: 10.1017/s1047951123002640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/26/2023]
Abstract
Prinzmetal angina is a rare cause of intermittent chest pain in paediatrics. Here, we report the case of a 2-year-old female who presented with episodic chest pain, malaise, diaphoresis, fatigue, and poor perfusion on exam. During her hospitalisation, these episodes were associated with significant low cardiac output as evidenced by lactic acidosis and low mixed venous oxygen saturations. Her workup revealed an actin alpha cardiac muscle 1 (ACTC1) gene mutation and associated left ventricular non-compaction with decreased systolic function. She was started on oral heart failure medications as well as a calcium channel blocker but continued to have episodes which were found to promptly resolve with nitroglycerine. She was ultimately listed for cardiac transplant given her perceived risk of sudden death.
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Costa G, Ferreira JA, Gonçalves L. Prinzmetal angina complicated with high-degree atrioventricular block. BMJ Case Rep 2023; 16:e257009. [PMID: 37536944 PMCID: PMC10401229 DOI: 10.1136/bcr-2023-257009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/05/2023] Open
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Takahashi K, Sakaue T, Yamashita M, Enomoto D, Uemura S, Okura T, Ikeda S, Yamamura N, Ikeda K. Variant Angina with Spontaneously Documented Ischemia- and Tachycardia-induced "Lambda" Waves. Intern Med 2021; 60:1409-1415. [PMID: 33952813 PMCID: PMC8170254 DOI: 10.2169/internalmedicine.6197-20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
In a patient with variant angina of the proximal left anterior descending coronary artery, myocardial ischemia changed the QRS-ST-T configurations without J-waves into those resembling "lambda" waves at maximal ST-segment elevation, and couplets or triplets of supraventricular extrasystole (SVE) changed the ischemia-induced "lambda" waves into QRS-ST-T configurations resembling a "tombstone" morphology or "monophasic QRS-ST complex." At the resolution phase of coronary spasm, the QRS-ST-T configurations returned to those without J-waves and were changed by SVE into "lambda" waves. Interestingly, neither ischemia- nor SVE-induced "lambda" waves or SVE-induced "tombstone" morphology or "monophasic QRS-ST complex" were complicated by ventricular tachyarrhythmia.
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Dahdouh Z, Mohamed T. Prinzmetal Angina Mimicking Severe Three-Vessel Coronary Artery Disease. THE JOURNAL OF INVASIVE CARDIOLOGY 2020; 32:E240-E241. [PMID: 32865511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Coronary artery vasospasm, or Prinzmetal angina, remains a challenging diagnosis. Prinzmetal angina usually affects only one coronary vessel; however, in this case, it occurred simultaneously in three coronary arteries, and was totally relieved after nitrate administration.
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Song L, Bian G, Yang W, Li HF. Variant angina induced by carbon monoxide poisoning: A CARE compliant case report. Medicine (Baltimore) 2019; 98:e15056. [PMID: 31008930 PMCID: PMC6494374 DOI: 10.1097/md.0000000000015056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
RATIONALE Carbon monoxide (CO) poisoning can cause severe damage to the nervous system, and can also cause serious damage to organs, such as the heart, kidneys, and lungs. CO damage to myocardial cells has been previously reported. This can lead to serious complications, such as myocardial infarction. PATIENT CONCERNS A 47-year-old female patient complained of sudden chest pain for 30 minutes. Before admission, the patient had non-radiating burning chest pain after inhalation of soot. DIAGNOSIS An electrocardiogram showed that myocardial ischemia was progressively aggravated, manifested by progressive ST-segment elevation, and accompanied by T wave inversion and other changes. No obvious coronary stenosis was observed in a coronary angiographic examination. Therefore, the patient was considered to have developed variant angina resulting from CO poisoning-induced coronary artery spasm. INTERVENTIONS The patient was treated with drugs for improving blood circulation and preventing thrombosis, and underwent hyperbaric oxygen therapy. OUTCOMES Clinical symptoms relieved after the treatment. LESSONS Findings from this case suggest that CO can cause coronary artery spasm and it is one of the predisposing factors of variant angina. For these patients, hyperbaric oxygen therapy can improve blood circulation and prevent formation of thrombus and encephalopathy.
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Hung MJ. Fluctuations in the amplitude of ST-segment elevation in vasospastic angina: Two case reports. Medicine (Baltimore) 2017; 96:e6334. [PMID: 28296760 PMCID: PMC5369915 DOI: 10.1097/md.0000000000006334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
RATIONALE ST-segment elevation localizes an ischemic lesion to the coronary artery supplying the area of the myocardium reflected by the electrocardiographic leads. Dynamic ST-segment elevation can be due to severe transmural ischemia secondary to a thrombus, vasospasm, or a tightly fixed coronary artery lesion or a combination of these situations. PATIENT CONCERNS In this study, we report on two patients with angina who had fluctuations in ST-segment amplitude on serial electrocardiograms. The amplitude of ST-segment elevation varied between 1-20 mm. DIAGNOSES Vasospastic angina (VSA) was diagnosed based on electrocardiography and coronary angiography. INTERVENTIONS Calcium antagonists were prescribed for both patients. OUTCOMES No recurrent VSA was noted during outpatient follow-up. LESSONS VSA can be associated with fluctuations in the amplitude of ST-segment elevation, indicating dynamic coronary vasospasm in different locations and extensions in patients with VSA.
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Hung MJ, Wang CH, Cherng WJ. Provocation of Coronary Vasospastic Angina Using an Isoproterenol Head-up Tilt Test. Angiology 2016; 55:271-80. [PMID: 15156260 DOI: 10.1177/000331970405500306] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The goals of this study were to determine the value of the isoproterenol (ISO) head-up tilt (HUT) test in detecting coronary vasospastic angina and to investigate the possible mechanism responsible for coronary artery spasm. The ISO + HUT test was performed in 16 patients with coronary artery spasm documented by the intracoronary ergonovine provocation test. Patients’ blood pressure and heart rate were measured at baseline, during the ISO + HUT (phase I), and during HUT after discontinuation of ISO (phase II). Patients were categorized as test-positive if they developed angina with ST-segment elevation during testing. Eight patients (50%) were test-positive (5 in phase I and 3 in phase II). Between the test-positive and test-negative groups, no significant differences were noted in the changes in blood pressure throughout the test. However, there were significant differences in the changes in heart rate from supine to 2 minutes after HUT under ISO infusion (-17 ±22 vs 11 ±25 beats/minute; p=0.035). In those patients with a positive result in the phase I stage, the heart rate decreased initially after tilt-up, and then significantly increased later (from 85 ±16 to 110 ±27 beats/minute; p=0.043), when coronary vasospasm occurred. In those patients with a positive result in the phase II stage, coronary vasospasm occurred immediately after HUT, when there was an insignificant transient increase in heart rate from the supine to the HUT position (from 85 ±12 to 92 ±11 beats/minute; p=0.109). The ISO + HUT test can provoke coronary vasospasm with ST-segment elevation in 50% of the patients with coronary artery spasm, when combined with an extensional protocol of HUT after discontinuation of ISO. This study suggests that the induction of coronary artery spasm during HUT testing is associated with a rapid elevation of sympathetic activity during augmented parasympathetic activity.
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Kaikita K, Ogawa H. [[Guidelines for Diagnosis and Treatment of Patients with Vasospastic Angina (Coronary Spastic Angina) (Revised Version 2013)]. NIHON RINSHO. JAPANESE JOURNAL OF CLINICAL MEDICINE 2016; 74 Suppl 6:54-57. [PMID: 30540370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
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Lim AY, Park TK, Cho SW, Oh MS, Lee DH, Seong CS, Gwag HB, Yang JH, Song YB, Hahn JY, Choi JH, Lee SH, Gwon HC, Ahn J, Carriere KC, Choi SH. Clinical implications of low-dose aspirin on vasospastic angina patients without significant coronary artery stenosis; a propensity score-matched analysis. Int J Cardiol 2016; 221:161-6. [PMID: 27400315 DOI: 10.1016/j.ijcard.2016.06.195] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2016] [Accepted: 06/24/2016] [Indexed: 02/07/2023]
Abstract
BACKGROUND High-dose aspirin has been reported to exacerbate coronary artery spasm in patients with vasospastic angina. We investigated clinical implications of low-dose aspirin on vasospastic angina patients without significant coronary artery stenosis. METHODS We included patients without significant coronary artery stenosis on coronary angiography (CAG) and with positive results on intracoronary ergonovine provocation test between January 2003 and December 2014. A total of 777 patients were divided into two groups according to prescription of low-dose aspirin at discharge: aspirin group (n=321) and non-aspirin group (n=456). The major adverse cardiovascular events (MACE), defined as composite outcomes of cardiac death, acute myocardial infarction, revascularization, or rehospitalization requiring CAG or medication change due to recurrent angina were compared. RESULTS The aspirin group had significantly higher incidence of MACE (22.8% versus 12.1%; p=0.04) and had higher tendency for rehospitalization (20.6% versus 11.2%; p=0.08). All-cause mortality and cardiac death were similar between the two groups. After propensity score matching, the aspirin group had greater risk of MACE (hazard ratio [HR] 1.54; 95% confidence interval [CI], 1.04-2.28; p=0.037) and rehospitalization requiring CAG (HR, 1.33; 95% CI, 1.13-4.20; p=0.03), and a higher tendency for rehospitalization (HR, 1.40; 95% CI, 0.94-2.09; p=0.12). CONCLUSION In vasospastic angina without significant coronary artery stenosis, patients taking low-dose aspirin are at higher risk of MACE, driven primarily by tendency toward rehospitalization. Low-dose aspirin might be used with caution in vasospastic angina patients without significant coronary artery stenosis.
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Abstract
Atherosclerotic CAD is the most common cause of cardiac chest pain in Western countries. Other cardiac syndromes may also cause anginalike pain and may be difficult to differentiate from atherosclerotic CAD. It is essential to make this distinction, because management and prognosis of these conditions are entirely different. A detailed history and, in some cases, special diagnostic methods can help make the diagnosis. When evaluating patients with anginalike chest pain and normal coronary arteries, physicians need to consider this group of diseases and tailor workup and diagnosis on an individual basis.
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Conti CR, Curry RC, Christie LG, Pepine CJ. Clinical use of provocative pharmacoangiography in patients with chest pain. Adv Cardiol 2015; 26:44-54. [PMID: 420061 DOI: 10.1159/000402388] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Abstract
Angina with "normal coronary arteries" might best be thought of as "angina with coronary dysfunction". It seems likely that this syndrome is due to inadequate regional myocardial perfusion with manifestations similar to those seen when ischemia results from occlusive coronary artery disease. The prognosis of the disorder is favorable, but occasional catastrophic events occur. It appears likely that maldistribution of perfusion results from dynamic changes affecting proximal, and perhaps distal coronary vessels, potentially mediated by vasoactive substances released from platelets precipitating or exacerbating coronary arterial spasm. Clarification of the pathogenesis of the syndrome should permit implementation of more effective therapy and prevention of the rare malignant sequelae of this disorder.
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Costantini M, Previtali M, Costantini L. Sindrome X, Tako-Tsubo cardiomyopathy and variant angina in mother and daughter. A striking coincidence? Minerva Cardioangiol 2015; 63:165-167. [PMID: 25711840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
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Van de Bruaene L, Argacha JF, Kayaert P, Schoors D, Droogmans S. [Many possible causes of variant angina]. NEDERLANDS TIJDSCHRIFT VOOR GENEESKUNDE 2015; 159:A8971. [PMID: 26374723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
BACKGROUND Variant angina, or vasospastic angina, is a form of angina caused by vasospasm of the coronary arteries, probably caused by endothelial dysfunction. This form of angina is provoked by non-classical risk factors such as stress, alcohol use, use of sympathomimetics and low environmental temperatures, but also by smoking. Treatment is based on elimination of risk factors and vasodilator therapy with nitrates and long-acting calcium antagonists. CASE DESCRIPTION We present a 68-year-old woman with recurring thoracalgia at rest and during exercise, suggestive of severe variant angina in more than one coronary artery. Despite elimination of risk factors and administration of vasodilatory therapy the treatment was initially insufficient. It eventually emerged that the probable cause was frequent use of a vasoconstrictive nasal spray, although this was not described in literature, and not originally mentioned by the patient. CONCLUSION A thorough case history is of vital importance in a patient presenting with a history suggestive of variant angina. Even undescribed and apparently less important risk factors can be responsible for persistence of symptoms, and can lead to an applied treatment not producing the desired result.
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Granath C, Roll M. [Prinzmetal's variant angina. Rare disease caused by coronary artery spasms]. LAKARTIDNINGEN 2014; 111:1514-1516. [PMID: 25325104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
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Bhatt DL. Ask the doctor. What is Prinzmetal's angina? A doctor recently told my wife that she might have Prinzmetal's angina. What is this condition, and how is it treated? HARVARD HEART LETTER : FROM HARVARD MEDICAL SCHOOL 2014; 24:2. [PMID: 25029716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
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Yue-Chun L, Lin JF. Rare giant T-wave inversions associated with myocardial stunning: report of 2 cases. Medicine (Baltimore) 2014; 93:e39. [PMID: 25068953 PMCID: PMC4602420 DOI: 10.1097/md.0000000000000039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Prominent T-wave inversions are well recognized electrocardiographic signs that can occur in acute myocardial infarction (AMI). However, the giant negative T waves may be associated with myocardial stunning without AMI.This case report describes 2 patients without AMI who developed rare giant T-wave inversions measuring up to 35 mm in depth and QT prolongation after admission to hospital. While 1 patient presented with acute pulmonary edema, the other patient presented with severe chest pain at rest and transient ST elevation.The giant T-wave inversion with QT prolongation may be caused by myocardial stunning due to the triple vessel diseases and elevated wall stress, high-end diastolic pressure and decreased coronary arterial flow during pulmonary edema in the first patient. The giant T-wave inversion with QT prolongation in the second patient may be caused by myocardial stunning due to the left anterior descending artery spasm (transient ST elevation) leading to transient total occlusion of left anterior descending artery. Percutaneous coronary intervention was successfully undergone for both patients. The patients remained well.The electrophysiologic mechanism responsible for giant T-wave inversion with QT prolongation is presently unknown. The two cases demonstrate that the rare giant negative T waves may be associated with myocardial stunning without AMI.
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Nakayama N, Kaikita K, Fukunaga T, Matsuzawa Y, Sato K, Horio E, Yoshimura H, Mizobe M, Takashio S, Tsujita K, Kojima S, Tayama S, Hokimoto S, Sakamoto T, Nakao K, Sugiyama S, Kimura K, Ogawa H. Clinical features and prognosis of patients with coronary spasm-induced non-ST-segment elevation acute coronary syndrome. J Am Heart Assoc 2014; 3:e000795. [PMID: 24811613 PMCID: PMC4309067 DOI: 10.1161/jaha.114.000795] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2014] [Accepted: 03/05/2014] [Indexed: 01/21/2023]
Abstract
BACKGROUND The prevalence, clinical features, and long-term outcome of patients with non-ST-segment elevation acute coronary syndrome (NSTE ACS) associated with coronary spasm are not fully investigated. METHODS AND RESULTS This observational multicenter study enrolled 1601 consecutive patients with suspected NSTE-ACS who underwent cardiac catheterization between January 2001 and December 2010. A culprit lesion was found in 1152 (72%) patients. In patients without a culprit lesion, the acetylcholine provocation test was performed in 221 patients and was positive in 175 patients. In the other patients, coronary spasm was verified in 145 patients during spontaneous attack. Spasm-induced NSTE-ACS was diagnosed in 320 (20%) patients. Multivariable analysis identified age <70 years (odds ratio [OR] 2.19, 95% CI 1.58 to 3.04), estimated glomerular filtration rate >60 mL/min per 1.73 m(2) (OR 1.72, 95% CI 1.16 to 2.56), and lack of hypertension (OR 2.55, 95% CI 1.90 to 3.41), dyslipidemia (OR 2.76, 95% CI 2.05 to 3.73), diabetes mellitus (OR 2.49, 95% CI 1.78 to 3.48), previous myocardial infarction (OR 5.37, 95% CI 2.89 to 10.0), and elevated cardiac biomarkers (OR 2.84, 95% CI 2.11 to 3.83) as significant correlates of spasm-induced NSTE-ACS (P<0.01 for all variables). Transient ST-segment elevation during spontaneous attack (variant angina) was observed in 119 patients with spasm-induced NSTE-ACS. Variant angina was more common in nondyslipidemic men among patients with spasm-induced NSTE-ACS. CONCLUSIONS The study showed frequent involvement of coronary spasm in the pathogenesis of NSTE-ACS. Variant angina was observed in one third of patients with spasm-induced NSTE-ACS. Coronary spasm should be considered even in patients with less coronary risk factors and nonobstructive coronary arteries.
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Sato K, Kaikita K, Nakayama N, Horio E, Yoshimura H, Ono T, Ohba K, Tsujita K, Kojima S, Tayama S, Hokimoto S, Matsui K, Sugiyama S, Yamabe H, Ogawa H. Coronary vasomotor response to intracoronary acetylcholine injection, clinical features, and long-term prognosis in 873 consecutive patients with coronary spasm: analysis of a single-center study over 20 years. J Am Heart Assoc 2013; 2:e000227. [PMID: 23858100 PMCID: PMC3828805 DOI: 10.1161/jaha.113.000227] [Citation(s) in RCA: 102] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2013] [Accepted: 06/20/2013] [Indexed: 12/24/2022]
Abstract
BACKGROUND The aim of this study was to elucidate the correlation between angiographic coronary vasomotor responses to intracoronary acetylcholine (ACh) injection, clinical features, and long-term prognosis in patients with vasospastic angina (VSA). METHODS AND RESULTS This is a retrospective, observational, single-center study of 1877 consecutive patients who underwent ACh-provocation test between January 1991 and December 2010. ACh-provoked coronary spasm was observed in 873 of 1637 patients included in the present analysis. ACh-positive patients were more likely to be older male smokers with dyslipidemia, to have a family history of ischemic heart disease, and to have a comorbidity of coronary epicardial stenosis than were ACh-negative patients. ACh-positive patients were divided into 2 groups: those with focal (total or subtotal obstruction, n=511) and those with diffuse (severe diffuse vasoconstriction, n=362) spasm patterns. Multivariable logistic regression analysis identified female sex and low comorbidity of coronary epicardial stenosis to correlate with the ACh-provoked diffuse spasm pattern in patients with VSA. Kaplan-Meier survival curve indicated better 5-year survival rates free from major adverse cardiovascular events in patients with diffuse spasm pattern compared with those with focal spasm pattern (P=0.019). Multivariable Cox hazard regression analysis identified diffuse spasm pattern as a negative predictor of major adverse cardiovascular events in patients with VSA. CONCLUSIONS ACh-induced diffuse coronary spasm was frequently observed in female VSA patients free of severe coronary epicardial stenosis and was associated with better prognosis than focal spasm. These results suggest the need to identify the ACh-provoked coronary spasm subtypes in patients with VSA.
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Kurabayashi M, Okishige K, Asano M, Suzuki H, Shimura T, Iwai S, Kato N, Ihara K, Aoyagi H, Isobe M. Cardiopulmonary arrest caused by coronary spasm after coronary vasodilator withdrawal during the peri-operative period of gastrectomy. Intern Med 2013; 52:81-4. [PMID: 23291678 DOI: 10.2169/internalmedicine.52.8918] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Calcium antagonists, nicorandil and long-acting nitrates are highly effective for preventing coronary spasm. The withdrawal of coronary vasodilators, especially calcium antagonists, is risky in cases of vasospastic angina. We herein present a case of cardiopulmonary arrest that occurred due to coronary spasm triggered by the discontinuation of coronary vasodilators during the peri-operative period of gastrectomy. Vasospastic angina patients who are not able to take oral coronary vasodilators in the peri-operative period should be maintained on a parenteral vasodilator until they are able to take them orally. Physicians should also be aware of the possible development of nitrate tolerance in patients on prolonged nitrate therapy.
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Kaletová M, Marek D, Sovová E, Mejtská I, Táborský M. [Hyperventilation echocardiography in vasospastic angina pectoris diagnosing]. VNITRNI LEKARSTVI 2012; 58:691-696. [PMID: 23094816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Hyperventilation echocardiography is an established diagnostic test in patients with suspected variant angina pectoris. It has got sufficient sensitivity (60-80%) and specificity (85-100%). Positive hyperventilation test is rarely found, which relates to low prevalence of variant angina. The diagnostic yield of the test depends on the population selected for testing: positive result can be expected in patients with a history of typical burning chest pain, ST segment elevation/depression and/or inversions of U wave during the chest pain episode, arrhythmias related to the chest pain, coronary artery stenosis less than 50% of artery diameter, multi-vessel disease, high activity of illness at the time of hyperventilation test. We present a case of 37 years old man with typical angina pectoris at rest and non-Q myocardial infarction, in whom the coronary angiography was negative. Variant angina pectoris was diagnosed by hyperventilation echocardiography. The ECG tracings showing typical ischemic patterns during the hyperventilation test are included.
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Kusniec J, Iakobishvili Z, Haim M, Golovchiner G, Shohat-Zabarski R, Strasberg B. Prinzmetal angina in the differential diagnosis of syncope. ACUTE CARDIAC CARE 2012; 14:45-47. [PMID: 22296564 DOI: 10.3109/17482941.2011.655289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Prinzmetal (variant) angina may be associated with cardiac arrhythmias that can deteriorate to fatal ventricular arrhythmias. We present 2 patients with syncope where vasospastic angina and severe ventricular arrhythmias were found to be responsible for the syncopal episodes.
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