Cases reported "Arteriovenous Fistula"

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601/1992. Acquired arteriovenous fistula of the right forearm caused by repeated blunt trauma: a report of a rare case.

    In acquired arteriovenous fistula (AVF), there is usually a history of penetrating injury and hemorrhage. We report a very rare case of an elderly man with acquired AVF of the right upper extremity without any history of penetrating trauma and hemorrhage, but with a history of repeated blunt trauma on his right forearm. Although no surgery was performed for the AVF, it was concluded close follow up would be prudent. ( info)

602/1992. Post-cardiac catheterization femoral fistula corrected by ultrasound-guided compression.

    We present a case of post-cardiac catheterization femoral fistula diagnosed by color and pulsed Doppler sonography and treated by ultrasound-guided compression. We avail ourselves of the case to review the echo Doppler semiology of the different types of arteriovenous fistulas with an emphasis on the functional analysis of the dialysis accesses. We also stress the therapeutic options in front of undesirable shunts. ( info)

603/1992. Usefulness of selective contrast echocardiography and selective scintigraphy for the evaluation of pulmonary arteriovenous fistula in a patient with systemic arterial supply to a normal lung.

    To determine a surgical procedure for the correction of a systemic arterial supply to a normal lung, it is important to evaluate whether the patient has a pulmonary arteriovenous fistula. In this article, the authors report for the first time a patient in which selective contrast echocardiography and selective perfusion scintigraphy from an abnormal artery clearly demonstrated and quantified the pulmonary arteriovenous fistula. The authors believe that these methods are useful in determining the appropriate operative procedure for this condition. ( info)

604/1992. Remission of high-output heart failure after surgical repair of 30-month arteriovenous femoral fistula: case report.

    We present a 15-year-old male patient who was admitted to our hospital because of breathlessness and palpitations at minimal physical effort (new york Heart association class II). The patient had a history of an abdominal and left thigh firearm wound that was surgically treated 30 months earlier. auscultation over the left femoral groin region revealed a systolodiastolic murmur. X-ray examination of the chest demonstrated significant cardiomegaly. Transthoracic echocardiography revealed an enlargement of 4 cardiac chambers, as well as significant mitral and tricuspid regurgitation. Vascular ultrasound of the femoral artery and vein confirmed the diagnosis of a traumatic arteriovenous fistula. The patient underwent surgical correction of the fistula, after which the symptoms subsided rapidly. Follow-up echocardiography performed 2 months after surgical repair showed a substantial reduction of cardiac size and a nearly complete absence of valvular regurgitations. This case highlights the importance of the recognition of arteriovenous fistulas as a cause of unexpected heart failure and demonstrates that the condition may improve substantially and rapidly after fistula correction. ( info)

605/1992. brain abscess as the first clinical manifestation of multiple pulmonary arteriovenous malformations in a patient with hereditary hemorrhagic telangiectasia (Rendu-Osler-Weber disease).

    In this report we described a case of a cerebral abscess that developed in presence of asymptomatic pulmonary arteriovenous malformations (PAVMs) in a 53-year-old woman with hereditary hemorrhagic telangiectasia (HHT). The brain abscess was aspirated with good clinical result and the arteriovenous fistulae qualified for transcatheter embolotherapy. Each patient suspected to suffer from HHT should be diagnosed for the presence of visceral vascular malformations. Most of them are found in the lungs, liver and brain. early diagnosis and treatment of PAVM prevent the occurrence of severe neurological complications such as brain stroke or brain abscess. Cases of a cerebral abscess in adults of unexplained etiology should raise the suspicion of an asymptomatic PAVM. ( info)

606/1992. Renal arteriovenous aneurysm in a 4-year-old patient.

    We report a case of a symptomatic renal arteriovenous aneurysm in a 4-year-old pediatric patient. We were able to diagnose the lesion by means of a Doppler renal sonogram with color duplex interrogation. The diagnosis was confirmed by digital subtraction angiography. On the basis of the angiographic findings, the aneurysm was resected, and the renal arteriovenous fistula was repaired. ( info)

607/1992. Ruptured occult arteriovenous malformation associated with an unruptured intracranial aneurysm: report of three cases.

    Three patients who were admitted for intracranial hemorrhage are reported. cerebral angiography demonstrated an aneurysm arising from the middle cerebral artery bifurcation. No other malformation was visible either on the computed tomographic scan or on angiography. The diagnosis was ruptured middle cerebral artery aneurysm with intracerebral hematoma. At surgery, there was no blood in the sylvian fissure and the aneurysm was not ruptured. Evacuation of the hematoma and thorough exploration of the cavity led to the discovery and resection of a small vascular anomaly typical of an arteriovenous malformation responsible for the hemorrhage. Occult vascular malformations and the association of aneurysm with arteriovenous malformations are discussed. In these 3 patients, the coexistence of these two malformations could be related to a common congenital abnormality. ( info)

608/1992. Percutaneous closure of iatrogenic femoral arteriovenous fistula using endovascular covered stent.

    Local complications after femoral arterial catheterization, such as hematomas, pseudoaneurysms, arteriovenous fistulas (AV fistulas), and arterial occlusions, are becoming more common, with the growing number of complex invasive procedures being undertaken, especially in older and sicker patients. Newer percutaneous techniques are being developed to treat these. Covered stents are an effective, safe, and less invasive way to deal with pseudoaneurysms and AV fistulas. This case report highlights the application of this technique to treat an iatrogenic femoral AV fistula in a 69 years male. ( info)

609/1992. Delayed treatment and late complications of a traumatic arteriovenous fistula.

    An 18-year-old soldier had a gunshot wound to his left thigh during the Mexican Civil war (1910-1917). He presented with persistent bright red bleeding. His wound was treated by compression. A few years after the injury, he noticed a thrill, large varicose veins, limb swelling, and skin changes. A plain film showed an 8 x 10-cm midthigh mass. After a bullfighting incident, the pseudoaneurysm ruptured. Because of increased bulk and discomfort, the patient agreed 3 years later to be treated. Angiography showed a chronically obstructed femoral artery and vein. A 3000-mL hematoma was evacuated. This case illustrates the long-term sequelae of an arteriovenous fistula. This report describes a 51-year delay of treatment for causes unrelated to diagnosis. To our knowledge, this case is the longest delay in treatment of an arteriovenous fistula and its complications reported in the literature. ( info)

610/1992. heart failure due to giant congenital aorto-right atrial fistula: report of a case.

    Coronary arterio-venous fistula (CAVF) is a rare coronary artery anomaly. We demonstrated the rare findings of a large congenital aorto-right atrial fistula with initial presentation of heart failure symptoms. Transthoracic echocardiography and transesophageal echocardiography made the accurate diagnosis. Further haemodynamic and angiographic study proved this large CAVF with extraordinary oxygen saturation step-up (26%) and large pulmonary to systemic shunt (Qp/Qs = 4.25). It was corrected by surgery because of evidence of heart failure and the possible risk of endocarditis and coronary steal effect. ( info)
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