After classic Glenn shunt or bidirectional cavopulmonary anastomosis, the reappearance or deepening of cyanosis may be due to systemic venous collateral channels. There are only few case reports on this issue in the present literature. Here, we present two cases that underwent bidirectional Glenn shunt, who later presented with cyanosis and desaturation and both of them were found to have venovenous collaterals.
Optical coherence tomography–guided percutaneous coronary angioplasties (PCI) for acute coronary syndrome is useful not only to the good stent opposition but also to the underlying pathophysiology and morphology of the plaque. Here we are reporting a case of anterior myocardial infarction thin-cap fibroatheroma (TCFA) in left main coronary artery with mid left anterior descending artery tight fibrofatty lesion. The cap of the atheromatous lesion was unruptured. This phenomenon of unruptured thin-cap fibroatheroma in the left main coronary artery in acute coronary syndrome has seldom been reported previously.
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