Search Results
Results 301 - 350 of 1091
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Amin Z - - 2000
This report describes the use of the Amplatzer patent ductus arteriosus occluder to close a left ventricle to descending aorta conduit. The patient was a 10-year-old male who was born with critical aortic stenosis and left ventricular outflow tract obstruction. After initial valvotomy, he underwent left ventricular to descending aorta ...
Jiang Z Y - - 2000
Multiple cardiac rhabdomyomas are frequently associated with tuberous sclerosis. However, very few cardiac malformations have been described with tuberous sclerosis. We report an unusual case of tuberous sclerosis with cerebral and renal lesions associated with dextrotransposition of the great arteries, pulmonary atresia, patent ductus arteriosus, multiple ventricular septal defects, and ...
Tsukamoto S - - 2000
Patent ductus arteriosus (PDA) in adults is occasionally associated with calcification and pulmonary hypertension, for which an anterior approach through a median sternotomy with cardiopulmonary bypass is often used. Sutures are placed without circulatory arrest by using a transpulmonary balloon catheter as an occluder. To secure the suture tie, we ...
Han X Y - - 2000
An infant girl of 36 weeks gestational age was found to have cardiovascular and other lethal internal anomalies in addition to characteristic external abnormalities of focal dermal hypoplasia (Goltz syndrome). The internal anomalies included truncus arteriosus type II with truncal origin of hypoplastic pulmonary arteries, cardiac ventricular septal defect, severe ...
Zilinskas V J - - 2000
We report a case of thrombosed patent ductus arteriosus aneurysm in an infant. The aneurysm was detected accidentally on chest roentgenogram and presented as globular soft tissue density mass in left posterosuperior mediastinum. Resection of the aneurysm was performed without cardiopulmonary bypass. Two years after operation the patient is well ...
Oyer C E - - 2000
Premature closure of the ductus arteriosus (PCDA) is an uncommon defect in which pulmonary hypertension (PH) has been documented by echocardiography in patients and by direct measurement after experimental PCDA in animals. The pulmonary vascular histology in human cases has received little attention but in the few recorded observations the ...
Hoppen T - - 2000
Absence of the ductus venosus is a rare vascular anomaly. We report a late onset of a hydrops fetalis seen in a fetus at 34 completed weeks of gestation. A persistence of the cranial parts of the left and right umbilical veins and of the paired cranial vitelline veins with ...
Ocal M K - - 1999
The afferent vessels of the circulus arteriosus cerebri in the camel were studied quantitatively. It was found that the diameters of the arteries did not differ significantly on the left and right sides. An interesting observation was that the basilar artery contributed to the blood supply of the brain in ...
Bergwerff M - - 1999
In its function of separating pulmonary and systemic arterial blood flow, the ductus arteriosus, which connects both circuits, either closes permanently at a certain stage in development or attains a capacity to close and reopen depending on the physiological needs in certain species. In air-breathing vertebrates varying from lungfish to ...
Saunders J H - - 1999
Two dogs with a history of coughing and exercise intolerance were suspected to have a patent ductus arteriosus (PDA), and the presence of a type III PDA was confirmed by radiography, electrocardiography, ultrasonography and angiography. Transarterial coil embolisation was carried out by using a modified technique. An occlusion balloon catheter ...
Wilson N J - - 1999
Modification of the double-button (Sideris) patent ductus arteriosus (PDA) occluder has resulted in a single-strut aortic component rather than the conventional cross-strut design. We report the use of this infant PDA occluder for transcatheter closure in three patients with PDA measuring 2 mm, 3.7 mm, and 4 mm. Subclinical aortic ...
Tanasijevic M J - - 1999
OBJECTIVES: We examined the diagnostic performance of serum myoglobin, creatine-kinase-MB (CK-MB) and cardiac troponin-I (cTnI) for predicting the infarct-related artery (IRA) patency in patients receiving TNK-tissue plasminogen activator (TNK-tPA) therapy for acute myocardial infarction (AMI) in the Thrombolysis in Myocardial Infarction (TIMI) 10B trial. BACKGROUND: A reliable noninvasive serum marker ...
Jacob S - - 1999
BACKGROUND: The ductus venosus connects the umbilical vein to the inferior vena cava during fetal life and subsequently closes rapidly after birth. It is known as patent ductus venosus when it remains patent in adulthood. PATIENTS: A 43 year old man with a history of panhypopituitarism presented with recurrent bouts ...
Panetta C - - 1999
The diagnosis of patent ductus arteriosus (PDA) with right-to-left shunt in the adult by using transthoracic echocardiography (TTE) is difficult because of limited windows. We report a case of a 23-year-old woman who was referred for treatment of primary pulmonary hypertension but was found to have a PDA with a ...
Toyono M - - 1999
The aim of this study was to evaluate morphological changes of the cardiovascular system in fetal rats during late gestation. We used the rapid whole-body freezing technique for rats of day 17 through 21 of gestation. The right and left ventricular volumes increased markedly and significantly during this period by ...
Raaijmaakers B - - 1999
Over recent years, echo-Doppler cardiography has shown that a small, sometimes silent, arterial duct exists in more patients than previously recognized. To know the incidence of an arterial duct subsequent to therapy, we studied retrospectively our patients undergoing open-heart surgery and surgical or catheter closure. Three groups of patients were ...
Jones T K - - 1999
We present the first described use of the Gianturco-Grifka Vascular Occlusion Device to close a moderate patent ductus arteriosus associated with the rare congenital condition of right aortic arch with isolation of the left subclavian artery. Left vertebral artery "steal" through the moderate patent ductus arteriosus was eliminated by this ...
Taniguchi I - - 1999
Main pulmonary artery aneurysm is an exceedingly rare entity. We present a case of main pulmonary artery aneurysm with patent ductus arteriosus in a sixty-year-old woman. The aneurysm was successfully treated with aneurysmectomy and primary anastomosis of the defect of the main pulmonary artery, and the patent ductus arteriosus was ...
Fujisawa N - - 1999
Blood-contacting surface modifications aimed at reduction of thromboembolic complications have included the texturing of surfaces so as to promote the formation of a stable pseudo-neointima. A technique has been developed whereby a textured surface consisting of regularly spaced micro-fibres was produced on a smooth base plane. Polyurethane vascular patches with ...
Chien H Y - - 1999
Aneurysms of the thoracic aorta rarely occur in children. We present a female neonate who was referred to our hospital due to a heart murmur associated with cough and fever at 22 days of age. Both the echocardiography and aortography displayed an aneurysm of the ascending aorta at the aortic ...
Hirose H - - 1999
We report an unusual adult case of aneurysm associated with the ductus arteriosus. A 67-year-old female, who suffered recurrent nerve palsy, was diagnosed as having an aneurysm of the ductus arteriosus. The aneurysm, located in the medial aspect of the aortic ischimus and projected toward the pulmonary artery, was successfully ...
Berman W W - - 1999
A technique is described for coil occlusion of the small patent ductus arteriosus through a 4 French arterial catheter. The need for a 5 French sheath and catheter to stabilize the 3 French size delivery catheter system is obviated. The method is proposed as a way to minimize arterial vascular ...
Erdöl C - - 1999
The diagnosis of patent ductus arteriosus (PDA) usually requires catheterization, as does percutaneous treatment of the disorder. To obtain pressure gradients, a catheter can be passed in either direction through the PDA, from the pulmonary artery to the aorta or via the more common route of aorta to pulmonary artery. ...
Moore J W - - 1999
The DuctOcclud implant is a metal coil device designed for transcatheter closure of small to moderate size patent ductus arteriosus, a Congenital Heart Disease in which a vessel-like communication between the aorta and the pulmonary artery persists after birth. The paper describes the design of the device, its delivery system, ...
Skinner J R - - 1999
AIMS: To examine the haemodynamic effects of brief alteration in arterial oxygenation in preterm infants with respiratory failure. METHODS: Eighteen preterm infants with respiratory failure, aged 9-76 hours, underwent detailed Doppler echocardiographic assessment at 86%, 96%, and 100% SaO2, achieved by altering the FIO2. Sixteen were receiving intermittent positive pressure ...
Hornung T S - - 1999
A 4-kg male child, born at 34 weeks to a gestational diabetic mother, had a large ductus arteriosus aneurysm causing phrenic and recurrent laryngeal nerve palsies and large airway compression. The right and left atrial appendages and distal descending aorta were cannulated, allowing left heart partial or complete cardiopulmonary bypass ...
Podnar T - - 1999
The reported frequency of residual leaks after surgical ligation of patent ductus arteriosus (PDA) varies from 6% to 23%. Reports on percutaneous closure of PDA also involve patients with residual PDA after ligation, but specific data regarding this type of PDA are rare. Our objective was to assess retrospectively the ...
Lee W J - - 1999
We present a case of ductus arteriosus aneurysm in a neonate in whom the diagnosis was made by echocardiography, three-dimensional surface rendering computed tomography (CT) and was subsequently confirmed by angiography. Regression of aneurysm after indomethacin treatment was clearly demonstrated in a follow-up CT scan. To our knowledge, this is ...
Kramer W B - - 1999
OBJECTIVE: The object of this study was to compare the fetal effects of sulindac and terbutaline used in the management of preterm labor on the ductus arteriosus, middle cerebral artery, renal artery, umbilical artery, fetal urine production, and amniotic fluid index. STUDY DESIGN: In a randomized, double-blind study 20 patients ...
Pagotto L T - - 1999
Initial functional closure of the ductus arteriosus normally occurs within hours after birth, with permanent closure taking several weeks. The mechanism for ductal closure has been well studied and has not been shown to include thrombus formation. We describe a normal infant found to have a thrombus originating in the ...
Barbero-Marcial Miguel - - 1999
Primary early repair has been advocated as the preferred surgical approach to truncus arteriosus in infancy. This approach usually includes the reconstruction of the right ventricle outflow tract using a valved extracardiac conduit. However, the longevity of these conduits and the risk of their replacement have been a subject of ...
Ahel V - - 1999
We report the clinical course of a 6-month-old girl with recurrent infection of the left lung, persistent wheezing, and a suspected congenital heart anomaly (patent ductus arteriosus. Chest radiography revealed hyperinflation and slight inflammation of the left lung. Tracheobronchoscopy and left-sided bronchography showed a collapsed segment of the left main ...
Ing F F - - 1998
We report an infant with a large patent ductus arteriosus (PDA) and a hypoplastic aortic isthmus presenting with factitious coarctation due to high ductal flow. Following transcatheter occlusion of the PDA with a Gianturco-Grifka vascular occluder, the aortic gradient resolved, thereby eliminating the need for surgery on the isthmus.
Pikoulis E - - 1998
BACKGROUND: Non-penetrating, arcuate-legged vascular-closure staple clips made of titanium were initially developed for microvascular anastomoses with little experience of their use in larger vessels. The purpose of this study was to compare vascular-closure staple clips to sutured anastomoses in common iliac arteries in a porcine model. METHODS: In an experimental ...
Saxena A - - 1998
BACKGROUND: E-type prostaglandins (PGE1) can effectively maintain the patency of the ductus arteriosus in neonates. Its use, therefore and be life saving in infants born with ductus dependent congenital heart disease. Although PGE1 is available for over two decade in western world, it has been introduced in India only since ...
Katayama K - - 1998
Rare case of patent ductus arteriosus (PDA) was observed in a 2-year and 9 month-old Miniature Dachshund which had been diagnosed as severe cardiac failure. Pulmonary artery from the right ventricle connected to dilated ductus arteriosus, and pulmonary artery-ductus arteriosus-descending aorta formed a continuous duct, which seemed to be the ...
Schmidt K G - - 1998
OBJECTIVES: We assessed the phasic flow and interaction between the pulmonary trunk and aortic isthmus flow at their junction in the lamb fetus in late gestation and also assessed the interaction of the left pulmonary artery branch. STUDY DESIGN: With echocardiographic and Doppler ultrasonographic and saline-contrast techniques, we studied 7 ...
Yurdakul Y - - 1998
A case of truncus arteriosus type II is reported. Truncus arterious is an uncommon congenital cardiac defect where a single great vessel exits the heart. Truncus arteriosus is usually fatal, if untreated. This defect occurs when the conus arteriosus and the truncus divide erroneously in the embryo. Palliative surgery in ...
Wong J A - - 1998
BACKGROUND: Echocardiography is sometimes performed to identify candidates for coil embolization of patent ductus arteriosus (PDA). Therefore we attempted to determine the validity of color Doppler echocardiography to accurately determine the minimum PDA diameter. METHODS AND RESULTS: We reviewed data from 27 children (median 3.8 years, range 1 to 15 ...
Park I S - - 1998
We report the usefulness of a new 2-French (F) electrode catheter for perforating the atretic pulmonary valve in patients with pulmonary atresia and intact ventricular septum, using radiofrequency energy. The new 2-F electrode catheter was used in three patients. The first patient, weighing 2.1 kg, with pulmonary atresia and an ...
Sachweh J - - 1998
OBJECTIVE: Systemic-to-pulmonary shunt operations are still required for palliation of certain congenital heart defects. The aim of this study was to analyze the incidence and etiology of the development of pulmonary artery stenosis after these procedures. METHODS AND RESULTS: Pre- and post-operative angiograms of 59 patients who underwent 54 peripheral ...
Weber H S - - 1998
Sixty consecutive patients underwent successful transcatheter closure of patent ductus arteriosus without morbidity using a modified transvenous "snare-assisted" approach and a single elongated Gianturco coil. This technique ensures complete occlusion and avoids inadvertent embolization of the coil to undesirable sites, making transcatheter occlusion a viable alternative to surgical ligation.
Omari B O - - 1998
The wide, short patent ductus arteriosus in adults and older adolescents poses an extreme hazard with standard closed ligation techniques. The method of transpulmonary balloon catheter occlusion and repair of pediatric ductus arteriosus is herein reported in older patients using a Foley catheter and normothermic bypass. Transesophageal echocardiography is crucial ...
Itoh M - - 1998
Previous studies in the rat demonstrated that lymph vessels arise from various sites in the testis and then anastomose to form the main lymph trunk toward the testicular artery. Although mice are as commonly used in the laboratory as the rat, precise knowledge concerning their testicular lymphatics has not been ...
Grünenfelder J - - 1998
A rare window type of patent ductus arteriosus is reported that was large (15 mm in maximal transverse dimension) but had virtually no length and hence was externally invisible. The smaller aortic isthmus (4 mm in diameter), which was intrapericardial, was mistaken for the ductus and was inadvertently clip-occluded, leading ...
Pikoulis E - - 1998
BACKGROUND: The obvious advantages of rapid arterial anastomoses have prompted the continuing search for more rapid anastomotic techniques to complement the standard sutured anastomosis. Nonpenetrating, arcuate-legged titanium vascular closure staple (VCS) clips were initially developed for microvascular anastomoses. The purpose of this study was to compare VCS clips with sutured ...
Konstantinides S - - 1998
BACKGROUND: Right-to-left shunt through a patent foramen ovale is frequently diagnosed by contrast echocardiography and can be particularly prominent in the presence of elevated pressures in the right side of the heart. Its prognostic significance in patients with pulmonary thromboembolism, however, is unknown. METHODS AND RESULTS: The present prospective study ...
Guntheroth W G - - 1998
To confirm the hypothesis that narrowing of the left pulmonary artery is produced by ductal closure, Doppler velocities in the pulmonary arteries from 20 premature infants with a patent duct were compared to velocities from 20 with a closed duct. In infants with a patent duct, the mean Doppler velocity ...
Shimazaki Y - - 1998
Aneurysm of the ductus diverticulum in the adult is rare and its rupture is fatal. A 75-year-old man presented with congestive heart failure that suddenly occurred with a continuous murmur. Angiography showed a left-to-right shunt through a large thrombosed aneurysm of the ductus diverticulum (6 cm), and the pulmonary-to-systemic flow ...
Luo H - - 1998
Previous studies have shown that transcutaneous ultrasound enhances thrombolysis by streptokinase in animals in vivo; however, skin and soft tissue damage induced by ultrasound energy has been a major limitation. The objective of this study was to examine the efficacy of thrombolysis and damage to skin and soft tissues using ...
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