Cardiology in the young · 2021
Acquired and progressive coronary arterial fistulae in patients with single-ventricle physiology and treated with pulmonary vasodilators.
СтатьяНазвание и аннотация: Перевод в очереди
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Kishi Kanta, Katayama Hiroshi, Nemoto Shintaro, Ozaki Noriyasu, Odanaka Yutaka, Ashida Atsuko, Konishi Hayato, Ashida Akira
Аннотация
BACKGROUND: Cardiac dysfunction, arrhythmia, and hepatic fibrosis are well-known complications after right heart bypass surgery in patients with single-ventricle physiology. However, little is known about coronary arterial fistulae, and only a few reports have been published. This study aimed to elucidate the clinical characteristics of these rare coronary arterial fistulae that developed as complications in cases of single-ventricle physiology after right heart bypass surgery.
METHODS: We retrospectively investigated the clinical features and courses of patients who developed acquired and progressive coronary arterial fistulae after right heart bypass surgery in our hospital.
RESULTS: We identified three cases of coronary arterial fistulae out of 21 patients who underwent right heart bypass surgery. All three cases underwent cardiac catheterisation for post-operative evaluation and were administered pulmonary vasodilators of phosphodiesterase type V inhibitors, antiplatelet, anticoagulation, and diuretics. Moreover, they had common clinical features such as right-dominant single ventricle and long-term exposure to chronic hypoxia. Serial angiograms revealed acquired and progressive coronary arterial fistulae. In addition, coronary arterial fistulae contributed to their symptoms of heart failure.
CONCLUSION: Patients with chronic hypoxia and dominant right ventricle, who are treated with phosphodiesterase type V inhibitors, should be followed up after right heart bypass surgery to monitor the possible development of coronary arterial fistulae. Moreover, the indication for pulmonary vasodilators in single-ventricle physiology after right heart bypass surgery should be optimised to avoid adverse effects.
METHODS: We retrospectively investigated the clinical features and courses of patients who developed acquired and progressive coronary arterial fistulae after right heart bypass surgery in our hospital.
RESULTS: We identified three cases of coronary arterial fistulae out of 21 patients who underwent right heart bypass surgery. All three cases underwent cardiac catheterisation for post-operative evaluation and were administered pulmonary vasodilators of phosphodiesterase type V inhibitors, antiplatelet, anticoagulation, and diuretics. Moreover, they had common clinical features such as right-dominant single ventricle and long-term exposure to chronic hypoxia. Serial angiograms revealed acquired and progressive coronary arterial fistulae. In addition, coronary arterial fistulae contributed to their symptoms of heart failure.
CONCLUSION: Patients with chronic hypoxia and dominant right ventricle, who are treated with phosphodiesterase type V inhibitors, should be followed up after right heart bypass surgery to monitor the possible development of coronary arterial fistulae. Moreover, the indication for pulmonary vasodilators in single-ventricle physiology after right heart bypass surgery should be optimised to avoid adverse effects.