Key result
Two cases of rare non-intervention-related intense vascular spasms following coronary stenting were reported, which required repeated intracoronary injections of nitroglycerin and calcium antagonists for relief.
Case Report (n=2)
No
Non-intervention-related vascular intense spasm following coronary stenting is a rare, life-threatening complication that requires prompt recognition and treatment with intracoronary vasodilators and calcium antagonists.
Rare post-stenting spasms may require repeated intracoronary vasodilators; case reports leave open true incidence and prevention strategies.
The clinical occurrence of non-intervention-related vascular spasm following coronary stenting is rare. In the present study, 2 cases are reported. One patient developed continuous spasms in the proximal segment of the left anterior descending (LAD) and left circumflex (LCX) arteries following LAD artery stenting. The second patient developed an intense spasm in the right coronary artery (RCA) following LAD artery stenting. Clinical course and prognosis are dangerous. The main treatment for this condition is a combination of repeated injections of nitroglycerin into the coronary artery and the administration of calcium antagonists. In the clinic, intervention-related vascular spasms are common in percutaneous coronary intervention (PCI) due to the mechanical stimulation caused by balloon dilatation or stent expansion. Injections of a vasodilator into the coronary artery are able to mitigate the spasms and the consequent prognosis is good.
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Xu et al. (2013) conducted a case report in Non-intervention-related vascular intense spasm following coronary stenting (n=2). Intracoronary nitroglycerin and calcium antagonists was evaluated. Two cases of rare non-intervention-related intense vascular spasms following coronary stenting were reported, which required repeated intracoronary injections of nitroglycerin and calcium antagonists for relief.
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