Cases reported "Cyanosis"

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1/5. Right pulmonary artery-to-left atrium communication: a rare cause of systemic cyanosis.

    Direct communication between the right pulmonary artery and the left atrium is a rare congenital vascular malformation. The clinical diagnosis is difficult, and preoperative angiography is essential. We treated this anomaly successfully with surgery and the use of cardiopulmonary bypass in an 11-year-old boy. Surgery provides a complete cure for this anomaly.
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2/5. Diffuse type pulmonary arteriovenous malformations: report of one case.

    Pulmonary arteriovenous malformations are direct communications between pulmonary arteries and veins via a tortuous vascular space. They can cause severe pulmonary and neurologic complications. Most PAVMs are located in the lower lobes and can be seen on radiography or angiography. However, a few patients with PAVMs have a more severe and diffuse pattern of disease. These patients generally present with more profound cyanosis and a poorer prognosis. The widespread distribution and small size of these lesions make both diagnosis and management very difficult. We report a 12-year-old patient with diffuse bilateral PAVMs confirmed by contrast echocardiography and technetium-labeled macroaggregated albumin perfusion scan.
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3/5. Right pulmonary artery to left atrium communication. An unusual cause of cyanosis in the newborn.

    A one-day-old newborn infant presented with intense cyanosis, a continuous murmur, and mild congestive heart failure. The chest roentgenogram showed an abnormal right-heart border, and the echocardiogram demonstrated enlargement of the left ventricle and left atrium. cardiac catheterization and angiography demonstrated a right pulmonary artery to left atrium communication. The infant responded favorably to medical management and is asymptomatic with the exception of mild cyanosis with crying. Right pulmonary artery to left atrium communication is a rare but potentially correctable cause of cyanosis in the newborn.
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ranking = 1.2
keywords = communication
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4/5. Direct communication of the right pulmonary artery with the left atrium in an infant.

    An 8-month-old Japanese girl with cyanosis and evidence of a round shadow connected with the right cardiac border on the chest x-ray film was diagnosed as a case of direct communication of the right pulmonary artery with the left atrium (RPA-LA communication) following cardiac catheterization and angiocardiography. She had a history of transient congestive heart failure in the early neonatal period. A secundum atrial septal defect and a two-lobed right lung were also present. The patient became asymptomatic after a successful ligation of the anomalous connecting vessel.
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ranking = 1.2
keywords = communication
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5/5. Surgical treatment of a fistula between the right pulmonary artery and the left atrium: presentation of two cases and review of literature.

    OBJECTIVE: A direct communication between the pulmonary artery and the left atrium is a rare anomaly. On the basis of two cases of our own and a literature review of 49 cases, we focus on clinical presentation, anatomy, diagnosis, and the role of surgery. methods: Two cases of a fistula between the right pulmonary artery and the left atrium are described in a girl of 4 years and a boy of 15 years. Both presented with unexplained cyanosis. diagnosis was made on echocardiography and angiography. The fistula was ligated using extracorporeal circulation in the first case and not in the second case. RESULTS: The surgical results were successful with resolution of the cyanosis. CONCLUSIONS: In newborns, urgent surgery may be necessary. In other patients, early elective surgical correction should be performed to prevent complications, especially systemic and cerebral emboli, cerebral abscesses, and rupture of aneurysmal fistulas. Complete cure can be achieved by ligation and possible division or by intracardiac repair.
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keywords = communication
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