1/291. Combined femoral pseudoaneurysm and arteriovenous fistula: diagnosis by Doppler color flow mapping.This case report is the first to describe a combined femoral pseudoaneurysm and arteriovenous fistula resulting from a cardiac catheterization, diagnosed by color Doppler.- - - - - - - - - - ranking = 1keywords = cardiac (Clic here for more details about this article) |
2/291. The physiology of congenital heart disease: assessment by Doppler color flow mapping.The use of Doppler echocardiography is a routine part of the noninvasive assessment of the patient with heart disease. In children with congenital heart disease, pulsed- and continuous-wave Doppler echocardiographic techniques provide accurate, reproducible hemodynamic data relative to structural defects. Doppler color flow imaging, however, allows for qualitative assessment of blood flow patterns, which may give important insights into the changing physiology of the newborn infant or that of a patient in the medical or surgical intensive care settings. Ten cases are presented in which this flow information is instructive in understanding the physiological sequelae of congenital heart disease.- - - - - - - - - - ranking = 21.749215524831keywords = heart (Clic here for more details about this article) |
3/291. Resection of a large arteriovenous fistula of the brain using low-flow deep hypothermic cardiopulmonary bypass: technical case report.OBJECTIVE AND IMPORTANCE: We present the second report in the literature on the use of low-flow hypothermic cardiopulmonary bypass to aide in the surgical resection of a large intraparenchymal arteriovenous fistula. CLINICAL PRESENTATION: The patient was a 46-year-old man who was found to have a left sylvian arteriovenous fistula with a giant varix during a workup for chronic left frontal headaches and was referred to our center for management. A cardiac workup revealed a cardiac output of 9 L per minute. INTERVENTION: Endovascular embolization of the lesion was initially attempted without success because of the high flow within the lesion and the large diameter of the feeding arteries. We then planned combined and staged endovascular and surgical approaches to gradually eliminate the fistula. Endovascular embolization, both transarterial and transvenous, could not be performed because of the high flow in the fistula. Despite the stepwise reduction of flow during the course of several weeks via surgical exposures and arterial ligations, the fistula remained difficult to remove because of its size and the turgor of the varix. Once hypothermic low-flow circulatory bypass was used, however, decompression of the sac allowed access to the afferent vasculature. CONCLUSION: The use of low-flow hypothermic circulatory bypass can facilitate the surgical extirpation of certain large intraparenchymal arteriovenous fistulas.- - - - - - - - - - ranking = 2keywords = cardiac (Clic here for more details about this article) |
4/291. Transumbilical embolization of a congenital dural arteriovenous fistula at the torcular herophili in a neonate. Case report.A neonate, in whom a congenital cerebral vascular anomaly had been diagnosed prenatally, exhibited progressive high-output congestive heart failure soon after birth. cerebral angiography revealed a congenital dural arteriovenous fistula (AVF) with a huge dural lake located at the torcular herophili. In addition to the meningeal blood supply, an unusual pial blood supply from all cerebellar arteries was observed to feed the fistula. The patient was treated by repeated transarterial and transvenous embolization through the umbilical venous route. To the authors' knowledge, neither the existence of a congenital dural AVF at the torcular herophili presenting with an enormous pial blood supply or the technique of trans-umbilical venous intervention has been reported in the literature.- - - - - - - - - - ranking = 26.181815562031keywords = heart failure, heart (Clic here for more details about this article) |
5/291. Treatment of a coronary artery to superior vena cava fistula resulting from early closure of a Possis Perma-Flow graft.The Perma-Flow graft used in bypass surgery achieves more complete revascularization when paucity of native conduits exists. We report a coronary artery to superior vena cava fistula as a complication of this graft, leading to severe right heart failure. The fistula was successfully occluded percutaneously, improving the patient's clinical situation.- - - - - - - - - - ranking = 26.181815562031keywords = heart failure, heart (Clic here for more details about this article) |
6/291. A case of diffuse pulmonary arteriovenous fistula.A 30-year-old Japanese woman was admitted to hospital for dyspnea. She had a history of corrective surgery for a large atrial septal defect and partial anomalous pulmonary venous drainage, which had produced cyanosis in her infancy. However, her cyanosis continued postoperatively. Angiography revealed a double inferior vena cava (IVC), with the left IVC connected with the hemiazygos vein and the right IVC with the left atrium through a very small orifice. Most of the blood from the 2 IVCs flowed into the superior vena cava via the distended azygos and hemiazygos veins. Pulmonary arteriography revealed no abnormal structures. Pulmonary arterial pressure was normal. There was marked pulmonary venous oxygen desaturation. perfusion lung scintigraphy revealed multiple segmental perfusion defects. These findings suggested the presence of diffuse microscopic pulmonary arteriovenous fistulas bilaterally in the lungs. The patient appears to be the first reported adult case of microscopic and diffuse arteriovenous fistulas. Neither resection of the arteriovenous fistulas nor corrective surgery for the diversion was indicated, and heart-lung transplantation might be the only treatment able to relieve her dyspnea.- - - - - - - - - - ranking = 3.1070307892616keywords = heart (Clic here for more details about this article) |
7/291. Vertebral arteriovenous fistula as a result of Swan-Ganz catheter insertion: surgical correction in a symptomatic patient.A case of a vertebral arteriovenous fistula is reported after being caused by insertion of a Swan-Ganz catheter into the vertebral artery prior to cardiac surgery. The patient's clinical symptoms which precipitated re-admission consisted of multiple episodes of diaphoresis and dizziness. A right carotid bruit was detected in the neck. Four vessel cerebral arteriograms could not accurately identify the origin of the fistula. The proximal carotid artery was considered by several radiologists to be the arterial source of the fistula. During the surgical procedure, a tortuous right vertebral artery was found to be the source of the fistula. Surgical correction of the fistula was successful with preservation of the vertebral artery. Recommendations from a review of the literature are made for the current treatment of this rare complication from an insertion of a Swan-Ganz catheter.- - - - - - - - - - ranking = 1keywords = cardiac (Clic here for more details about this article) |
8/291. Embolization of a giant torcular dural arteriovenous fistula in a neonate.We treated a neonatal infant who presented with heart failure and a giant torcular dural arteriovenous fistula by staged transtorcular embolization with two guidewires, 95 platinum microcoils, and tissue glues through a needle-size craniotomy. blood loss was minimal. The patient was stable without heart failure after a three-staged embolization. The lesion disappeared on the follow-up angiography done at the age of 3 years. This is the first documented case of neonatal giant torcular dural arteriovenous malformation cured by interventional neuroradiology. The dilemma and strategy in managing this patient will be presented and discussed.- - - - - - - - - - ranking = 52.363631124062keywords = heart failure, heart (Clic here for more details about this article) |
9/291. An unusual iatrogenic cause of right coronary air embolism.A 62-year-old woman undergoing redo mitral valve replacement was noted to have persistent intracardiac air following standard deairing procedures. Transesophageal echocardiography (TEE) identified air bubbles entering the left atrium from the right superior pulmonary vein. Exploration of the pleural cavity revealed a fistula between the pulmonary parenchyma and the right superior pulmonary vein caused by the atriotomy closure suture transfixing the edge of the lung, which was repaired with immediate disappearance of the air emboli. This demonstrates that transesophageal echocardiography is an invaluable aid to ensuring complete deairing after open heart procedures.- - - - - - - - - - ranking = 4.1070307892616keywords = heart, cardiac (Clic here for more details about this article) |
10/291. Primary cardiac angiosarcoma with right coronary artery-to-pericardial fistula--a case report.Primary cardiac sarcoma is a rare tumor that is difficult to diagnose preoperatively. Hemopericardium and coronary artery fistula are rare complications of primary cardiac sarcoma. The authors report a case of primary cardiac angiosarcoma presenting with hemopericardium, secondary to right coronary artery-to-pericardial fistula, with a review of the literature.- - - - - - - - - - ranking = 7keywords = cardiac (Clic here for more details about this article) |
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