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Peterson S L - - 1996
Simultaneous chylothorax and chylous ascites related to intestinal lymphangiectasia was diagnosed in a 4-year-old spayed female dog. Palliative pleural and peritoneal drainage was accomplished by placement of fenestrated silastic sheeting into surgically created diaphragmatic defects, and implantation of a pleuro-peritoneal venous shunt. The immediate postoperative period was complicated by acute ...
Harrison M J - - 1996
This technical note describes a simple percutaneous mechanism for placement of the atrial end of ventriculoatrial shunts. The method is fast, efficient, and involves no neck dissection. No special equipment is required. Placement involves the technique of central line insertion familiar to all surgeons. This new method has been used ...
Tobias K S - - 1996
Mesenteric portography, using a C-arm fluoroscope equipped with digital subtraction capability, was performed intraoperatively to locate a single, intrahepatic portocaval shunt. An ultrasonic aspirator was used to isolate the shunt, which was ligated completely. Typical portal venous arborization was seen on postligation intraoperative mesenteric portography. Subtraction angiography used intraoperatively and ...
Pridjian A K - - 1996
A neonate with functional single ventricle and severe subaortic obstruction received a palliative procedure that involved a side-to-side anastomosis of the aorta and pulmonary artery, placement of a patch in the main pulmonary artery to divide the systemic and pulmonary circulations, and creation of a small opening in the patch ...
Rodriguez-Roisin R - - 1996
The major determinant of abnormal pulmonary gas exchange in patients with pneumonia is characterized by marked increases in intrapulmonary shunt combined with mild to moderate ventilation-perfusion (VA/Q) inequalities. Other mechanisms influencing the levels of arterial hypoxemia, such as disequilibrium of alveolar to endcapillary oxygen diffusion or increased intrapulmonary parenchymal oxygen ...
Miyaji K - - 1996
BACKGROUND: A bidirectional cavopulmonary shunt has been performed for the high-risk Fontan patient. It is well known that in the presence of the bidirectional cavopulmonary shunt alone to secure pulmonary blood flow, the central pulmonary artery size decreases over time. We have performed pulsatile bidirectional cavopulmonary shunt (PBCPS), keeping pulmonary ...
Schwartz M L - - 1996
Controversy exists over the value of intraoperative monitoring and shunting in patients undergoing carotid endarterectomy. Although it is widely believed that contralateral carotid occlusion and previous stroke mandate intraoperative shunting, the susceptibility of these two groups of patients to cerebral ischemia during carotid artery endarterectomy is not well defined. Somatosensory ...
Jalan R - - 1996
BACKGROUND/AIM: The aim of this study was to assess the pathology and pathogenic mechanisms involved in the occlusion of transjugular intrahepatic portosystemic stent-shunts. METHODS: Thirty-four patients with transjugular intrahepatic portosystemic stent-shunt who had at least two portographic assessments of shunt function were the subjects of this study. The contents of ...
Konermann M - - 1996
In order to test the suitability of magnetic resonance angiography for the visualization of Brescia-Cimino hemodialysis shunts, 20 patients (8 women, 12 men, aged 24-69 years) were examined with this technique. The shunt arm was placed in an extremity coil. The time-of-flight method was applied. Examination time was less than ...
Subbareddy K - - 1996
A 12-year-old child with tricuspid atresia and acquired hypoplasia of the left pulmonary artery was successfully treated with unilateral Fontan operation. Angiography at age 2 months had shown a normal left pulmonary artery, and a modified Potts shunt was performed. An emergency central shunt was required a year later. Reinvestigation ...
Bog?ts G - - 1996
BACKGROUND: The occurrence of life-threatening late infectious complications after the use of expanded polytetrafluoroethylene conduits as modified Blalock-Taussig shunts prompted us to apply allograft saphenous veins instead. METHODS: In 23 cyanotic patients (age, 1 week to 18 years) allograft saphenous veins were used for performing Blalock-Taussig shunts from July 1989 ...
Shioyama Y - - 1996
A 51-year-old man with posthepatitis cirrhosis underwent a transjugular intrahepatic portosystemic shunt (TIPS) for bleeding of recurrent esophageal varices. The patient had a coexisting, spontaneous, splenorenal shunt. He subsequently developed hepatic encephalopathy, presumably due to excessive portosystemic shunting. Since medical management resulted in no significant improvement, the splenorenal shunt was ...
Ventriglia F - - 1996
We describe a case of protein-losing enteropathy after a Fontan operation, in the absence of high right atrial pressure. Although partial regression of protein-losing enteropathy was obtained with high doses of cortisone, complete resolution of the phenomenon was accomplished only after surgical closure of a left-to-right shunt through the pulmonary ...
Shah A S - - 1995
This report describes a newborn with transposition of the great arteries who underwent a Blalock-Taussig shunt with transient improvement in oxygenation, but required emergent insertion of a central shunt later the same day due to progressive hypoxia and cardiac arrest. Two hours after central shunt insertion, sudden episodes of hypoxia ...
Vargas F J - - 1995
BACKGROUND: Twenty-five patients in whom a modified Fontan operation was deferred because of multiple risk factors underwent a bidirectional cavopulmonary shunt. Two or more of the following risk factors were present in all: age less than 1 year, severe pulmonary artery distortion, impaired left ventricular function, subaortic obstruction, anomalous systemic-pulmonary ...
O'Reilly G - - 1995
A selected series of 22 adult patients with hydrocephalus were treated by a shunt system incorporating a variable pressure Sophy valve or by ventriculojugular shunting against the direction of blood flow using the El-Shafei system. One patient had insertion of two Sophy valves and an El-Shafei shunt. Patient selection was ...
Bernstein H S - - 1995
BACKGROUND: The cavopulmonary shunt procedure is now used for palliation of complex congenital heart lesions in infants. While pulmonary arteriovenous fistulae (PAVF) are a well-known complication of this surgery in older patients, no study of the prevalence of this condition in children and young infants has been reported. METHODS AND ...
Lee J - - 1995
A 55-year-old man, with a history of nephrectomy for renal cell carcinoma, was evaluated using radionuclide angiocardiography to exclude cardiac shunts as the cause of vascular bruits heard at auscultation. A pulmonary time-activity curve derived from the right lung showed a pattern typical of a large left-to-right shunt, whereas that ...
Vicol C - - 1995
The case of a 33-year-old woman suffering from a paradoxical peripheral embolism in the presence of a right-to-left shunt at the level of an ostium secundum defect is presented. A functional stenosis of the tricuspid valve due to obstruction through a thrombotic atrial mass was found to be responsible for ...
Trerotola S O - - 1995
PURPOSE: To develop a technique of percutaneous creation and/or revision of arteriovenous hemodialysis access grafts, and to study the feasibility of the technique in the acute setting. MATERIALS AND METHODS: Arteriovenous shunts, consisting of silicone-covered Wallstents 6 (n = 10) or 8 (n = 1) mm in diameter and 11-17 ...
Kolenda H - - 1995
A 29-year-old male patient suffering from communicating hydrocephalus was treated by placement of a ventriculoatrial shunt (Pudenz-Heyer bur-hole valve). A disturbingly loud, pulse-synchronous, bruit in the ear on getting up from lying down remained unrecognized for 3 years as possibly generated by air bubbles in the valve. Clinical and technical ...
Skinner J R - - 1995
A preterm infant with bronchopulmonary dysplasia presented with clinical and Doppler echocardiographic features suggesting a left-to-right ductal shunt. The duct was ligated surgically. Clinical and echocardiographic signs did not change after ligation. Detailed colour Doppler examination ultimately showed several aortopulmonary collateral arteries giving rise to continuous turbulent flow in the ...
Shapiro R S - - 1995
To assess the relationship between portal vein velocity measurements and portosystemic gradients, color Doppler sonography was performed on 12 patients before and after transjugular intrahepatic portosystemic shunt placement. An additional patient was examined before and after shunt modification. The average maximum portal vein velocity increased from 15.7 cm s-1 before ...
Foshager M C - - 1995
OBJECTIVE: Portal hemodynamics are altered by placement of a transjugular intrahepatic portosystemic shunt (TIPS). Normal duplex sonographic findings after TIPS placement and hemodynamic alterations indicating shunt failure have not yet been well described. The purposes of this study were to determine normal hemodynamic changes on duplex sonography after TIPS placement ...
Winslow T M - - 1995
Rupture of the membranous interventricular septum resulting in a left ventricular to right atrial shunt is a rare complication of endocarditis. Early recognition of this complication is essential because these patients require early surgical intervention. We report a case of a left ventricular-right atrial shunt complicating aortic valve endocarditis in ...
Eterović D - - 1995
Excluding regurgitant ventricles and multiple shunting, left-to-right shunts of the central circulation can be evaluated from the difference between the right ventricular stroke counts (SCRV) and the left ventricular stroke counts (SCLV), which are obtained from gated radioangiography. The pulmonary-to-systemic flow ratio (QP/Qs) is equated to SCRV/SCLV in atrial shunts ...
Glen S K - - 1995
Many cases of decompression illness occur in divers using recommended decompression tables. Doppler ultrasound has been used for over 20 yr and has shown the presence of venous bubbles in asymptomatic divers working well within decompression limits. Previous studies have demonstrated an increased prevalence of patent foramen ovale in divers ...
Brawn W J - - 1995
In 24 consecutive infants (19 male and 5 female) with complex forms of single-ventricle physiology and systemic outflow obstruction, a modified Damus operation without the use of exogenous material was undertaken in conjunction with creation of an aortopulmonary shunt 3.5 mm in diameter. The median age at operation was 6 ...
Uemura H - - 1995
Pulmonary artery reconstruction using a handmade heterologous pericardial roll was achieved in 5 patients with severe hypoplasia of the intrapericardial pulmonary arteries and in 9 patients with critical hilar pulmonary stenosis occurring subsequent to previous construction of a systemic-pulmonary shunt. The pericardial roll was 12 to 16 mm in diameter ...
Reddy V M - - 1995
The performance of a primary bidirectional superior cavopulmonary shunt procedure in early infancy is attractive because it minimizes the number of operations needed before a Fontan procedure, avoids ventricular volume overload and its sequelae, and eliminates pulmonary artery distortion. However, concerns over elevated or labile pulmonary vascular resistance have limited ...
Luotolahti M - - 1995
A paradoxical embolism due to right-to-left shunt through a patent foramen ovale (PFO) can be responsible for stroke and other ischaemic cerebral events. We studied the usefulness of saline contrast transoesophageal echocardiography after the Valsalva manoeuvre in detecting PFO and right-to-left shunts in 28 adult patients without known reason for ...
Haskal Z J - - 1995
PURPOSE: To assess whether balloon occlusion of a transjugular intrahepatic portosystemic shunt (TIPS) will allow permanent yet reversible shunt thrombosis. MATERIALS AND METHODS: A balloon catheter was inflated in the midportion of the TIPS in two women with severe, uncontrollable encephalopathy or liver failure (aged 42 and 65 years, respectively) ...
Kulkarni H - - 1995
Twenty children (mean age 3.25 years) with congenital cyanotic heart disease undergoing modified left Blalock-Taussig (BT) shunt were studied. The mean follow-up period was 9.5 months (range 6 months to 1 year). The shunt was performed for cyanotic spells in 15 (75%) and hypoplastic pulmonary arteries in 5 (25%) patients. ...
Sabry A F - - 1995
Several methods currently exist for quantifying pulmonary (Qp) and systemic (Qs) shunt flow using Doppler echocardiography, although none is widely utilized. In this study, 39 patients (age 2 months to 12 years, mean 2.1 years) underwent an echocardiographic examination within 1 month of Qp:Qs shunt flow determination by oximetry at ...
Grifka R G - - 1995
BACKGROUND: Transcatheter closure of cardiovascular defects remains a challenge. Several occlusion devices are available, but each device has limitations. The purpose of this study was to evaluate the new Gianturco-Grifka vascular occlusion device (GGVOD) in a canine model. METHODS AND RESULTS: A total of 26 GGVODs were implanted as part ...
Nikaido Y - - 1995
A 65-year-old male presented with a rare lipoma in the quadrigeminal cistern manifesting as left abducens nerve paresis which was effectively treated by total extirpation. The usual neurological symptoms of lipoma in the quadrigeminal cistern are intracranial hypertension and hydrocephalus which can be successfully treated by shunt operation. Direct surgery ...
Stockberger S M - - 1995
This report and review of the literature describe a rare form of right-to-left shunt found in patients with superior vena cava (SVC) obstruction. Following SVC obstruction, collateral vessels may develop between the systemic venous system and the pulmonary venous system causing the alveolar space and right heart to be bypassed. ...
Rogopoulos A - - 1995
A case of acute Budd-Chiari syndrome in a 26-year-old woman is reported. After a mesocaval shunt, the patient remained asymptomatic for 21 months, but ascites and hepatomegaly reappeared due to inferior vena cava stenosis subsequently treated by balloon dilation. Recurrence of stenosis indicated the need for a cavoatrial shunt with ...
Aiba T - - 1995
A 72-year-old female presented with non-communicating hydrocephalus due to megadolichobasilar artery manifesting as drowsiness and Parinaud's sign. Neuroimaging demonstrated enlarged third and lateral ventricles and the tortuous, elongated basilar artery compressing the interpeduncular segment of the midbrain, resulting in occlusion of the aqueduct. Emergency ventricular drainage subsequently replaced by a ...
Sakakibara Y - - 1995
A new modification of the technique for plication and suspension of the pulmonary artery in critically ill infants and children is described. The technique consists of (1) left lobe thymectomy, (2) insertion of a polytetrafluoroethylene sheet to provide complete coverage of pericardium, (3) plication of dilated pulmonary artery and (4) ...
Legault B - - 1995
A 19-day-old child suffering from cyanosis due to tetralogy of Fallot was palliated by using his right retroesophageal subclavian artery. It was anastomosed side-to-side onto the ascending aorta and end-to-side onto the right pulmonary artery. The palliation obtained with this systemic-pulmonary shunt was satisfying. The right brachial vascular flow was ...
Chong W K - - 1995
Transjugular intrahepatic portosystemic shunting (TIPS) is an effective procedure for relieving portal hypertension. Sonography can usefully assist portal vein puncture. Color and duplex sonography after TIPS demonstrates changes in hepatic vascular hemodynamics, detects complications, and confirms shunt patency. A large proportion of shunts will develop progressive stenosis over 12 months. ...
Bücker A - - 1995
Retrospective analysis of the complication rate of transbrachial fine-needle arteriography was made to determine whether the advantages of arterial angiograms over venous fistulograms outweigh the possible complications. We included 236 patients who had undergone 454 arterial fine-needle punctures with a 22-gauge cannula in the cubital fossa. Spasm as the only ...
Sakakura A - - 1995
A rare case of laryngectomee who acquired TE shunt speech is reported. Our patient was a 64-year-old woman with laryngeal cancer (glottic type T3N0M0). She underwent laryngectomy in 1990, and a Komorn tracheo-esophageal shunt operation was performed simultaneously. A voice prosthesis (BIVONA) was inserted into the shunt, but the voice ...
Maldini B - - 1995
The authors studied changes in the ventilation-perfusion ratio and pulmonary shunt in the course of pulmonary surgery in relation to their presurgery values. The study was conducted at the Jordanovac University Department for Thoracal Surgery in Zagreb, examining 35 patients in whom, owing to pulmonary carcinoma, thoracotomy and pulmonary resection ...
Stout L C - - 1995
The transjugular intrahepatic portosystemic shunt has recently become widely used for portal decompression. Shunt stenosis resulting from pseudointimal hyperplasia and hepatic encephalopathy are emerging as important midterm complications of the procedure. Bile extravasation caused by bile duct transection by the stent wires has been suggested as a cause of the ...
Clyde B L - - 1995
As cerebrospinal fluid (CSF) shunts function for several years, outgrowth and disconnection of the distal catheter are seen more frequently. Though a shunt revision is clearly indicated if patients are symptomatic, asymptomatic patients with a disconnection or who have outgrown the distal catheter may no longer require CSF diversion. This ...
Kawai T - - 1995
Between 1985 and 1993, palliative surgery was performed on 13 pediatric patients who had complex cardiovascular anomalies associated with right isomerism. The patients included two neonates, ten infants, and one child who were divided into two groups according to whether or not a total anomalous pulmonary venous connection (TAPVC) was ...
Liu G - - 1994
The effects of passive (no pump) and active (using centrifugal pump) shunting on hemodynamics and metabolisms during cross-clamping of the descending thoracic aorta were compared in mongrel dogs. In Group I (control), the aorta was cross-clamped for 2 hours without shunting; in Group II (passive), a temporary shunt was placed ...
Hell B - - 1994
A new method of interpositional venous graft in microvascular tissue transfer is described. The interpositional vein is transferred to the vessels of the recipient site primarily, forming an arteriovenous shunt. Later, when the microanastomosis to the flap is created, the shunt is divided into an arterial branch and a venous ...
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