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Results 301 - 350 of 403
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Krafchek J - - 1985
To further define the clinical role of continuous wave Doppler echocardiography for determining aortic valve gradient, we studied 60 consecutive adult patients (age range 22 to 81 years, mean age 63) with suspected aortic stenosis within 24 hours of catheterization. Blind comparisons of Doppler peak and mean gradients by the ...
Scales F E - - 1985
Urethral strictures that are impassable in retrograde fashion present a special problem to the urologist because they cannot be managed by standard dilatation techniques or direct-vision internal urethrotomy. Open urethroplasty is usually required. We describe a technique to catheterize the urethra in an antegrade fashion and dilate the strictures. Our ...
Clark S L - - 1985
Although traditionally the exclusive domain of other medical specialties, pulmonary artery catheterization may be of tremendous benefit to a variety of obstetric and gynecologic patients. Our experience with such invasive hemodynamic monitoring in 72 patients in an obstetrics and gynecology service is presented. In 86% of cases, catheter placement and ...
Callahan J A - - 1985
Symptomatic pericardial effusion has been recognized as a diagnostic and therapeutic problem for many centuries. Although surgical incision and blind needle puncture of the pericardium for removal of the fluid have been available for somewhat more than 150 years, both procedures are associated with serious complications. Echocardiography provides a unique ...
Dykes E H - - 1985
Five infants with Pierre Robin syndrome developed evidence of carbon dioxide retention and congestive cardiac failure despite measures to alleviate upper airway obstruction. Investigations included chest radiography, electrocardiography, echocardiography, and cardiac catheterization; pulmonary hypertension was diagnosed. In two cases raised main pulmonary artery pressures of 40 mm Hg and 120 ...
Labovitz A J - - 1985
Cardiac output was measured by two-dimensional echocardiographic Doppler technique in 55 adult patients in the intensive care unit. Doppler cardiac output determinations were measured from four sites (suprasternal long axis of the ascending aorta, suprasternal long axis of the descending aortic, apical left ventricular outflow tract, and parasternal long axis ...
Ilia R - - 1985
The advantages and disadvantages of an arterial sheath to introduce catheters percutaneously through the femoral artery were prospectively studied in 184 consecutive patients without peripheral vascular disease undergoing routine diagnostic left heart catheterization and coronary arteriography. The arterial sheath was used randomly in 91 patients (sheath group) and the standard ...
Maouad J - - 1985
A percutaneous method via the brachial artery for left heart catheterization and selective coronary angiography is described. The technique uses the sheath intended for the femoral artery, continuously infused and introduced following a particular technique. The procedure was performed with minimal complications over 18 months, with multipurpose "Schoonmaker" or preshaped ...
Gagnon R M - - 1985
Arterial occlusions after cardiac catheterization are usually treated surgically. We report four patients with femoral thrombosis or distal emboli that developed after cardiac catheterization. Each patient was treated successfully with intravenous streptokinase. Therapy was initiated 1-60 hr after the procedure. The duration of infusion lasted 4-42 hr (mean 27 hr). ...
Kramer J R - - 1985
Two hundred fifty-three patients underwent cardiac catheterization with selective cineangiography of the carotid arteries. Diagnostic angiograms of both the right and left carotid arteries were obtained in 240 patients (95%). Of these, 217 patients (90%) were studied without complication, 18 (8%) had minor complications, and five (2%) had major complications. ...
Warth D C - - 1984
Assessment of the severity of aortic stenosis remains a commonly encountered clinical problem. Noninvasive evaluation has to date not proven sufficiently accurate in most cases to permit clinical decision making in the individual patient. Therefore, cardiac catheterization and measurement of the valve area with use of the Gorlin equation remains ...
Hunt L B - - 1984
We report a case of pulmonary artery perforation with resultant cardiac tamponade after central venous catheterization and review six previously reported cases. Tamponade may be an acute or late complication and is usually associated with the effusion of intravenous fluid into the pericardium. Three cases actually occurred after catheterization through ...
van der Linden C J - - 1984
Indications for hemodynamic assessment by right heart catheterization include shock, pulmonary edema, severe trauma and sepsis. The introduction of the catheter and the location of the tip in the pulmonary artery, however, can cause severe complications. In the present study the incidence of complications was observed in 93 consecutive right ...
Pick R A - - 1984
Dependent edema, ascites, and exertional dyspnea developed in a patient seven months after pericardiectomy for constrictive pericarditis. Cardiac catheterization documented constrictive physiology. At the second operation, he was found to have extensive mediastinal fibrosis that encased the heart. Postmortem examination showed a fibrocartilagenous exoskeleton that encased both ventricles. Possible etiologies ...
Shah K B - - 1984
From July 1977 to December 1982, 6,245 patients requiring cardiac and noncardiac operations had pulmonary artery (PA) catheterizations for perioperative monitoring. Their ages ranged from 4 to 94 years. PA catheters were inserted through the external or internal jugular vein in 6,146 patients, while arm veins were used in 99 ...
Kronzon I - - 1984
Inadvertent puncture of the intrapericardial aorta is a serious complication of transseptal catheterization. Two-dimensional echocardiography allows delineation and spatial resolution of the aorta and interatrial septum. Thirteen patients underwent transseptal catheterization with simultaneous monitoring of needle and catheter position using fluoroscopy and two-dimensional echocardiography. The interatrial septum was demonstrated in ...
Sholler G F - - 1984
Generalized arterial calcification in infancy is a rare disorder in which death usually occurs in infancy, the diagnosis generally being made at autopsy. Three patients are reported. The diagnosis was made during life in two, enabling new information to be collected. Cardiac catheterization in one provided evidence suggesting stiffness of ...
Smith T W - - 1984
Fifty cardiac patients undergoing coronary artery catheterization completed the Jenkins Activity Scale and the Framingham Type A Scale (i.e. two measures of the coronary-prone behaviour pattern) and measures of anger and neuroticism. The Type A measures demonstrated convergent and discriminant validity relative to the other psychological dimensions, though Type A ...
Gowda S - - 1984
The incidence of pulmonary perfusion defects after routine cardiac catheterization was assessed in 56 patients by comparing ventilation-perfusion (V/Q) lung scans obtained before and 1 day after catheterization. Patients were prospectively randomized in two groups, one in which the brachial approach was performed using an antecubital cutdown procedure, and one ...
Asmussen I - - 1984
In connection with a percutaneous retrograde heart catheterization via the femoral artery, the guidewire was captured in the deep circumflex iliac artery. On withdrawal of the guidewire stripping of the artery occurred. Occasionally this artery is catheterized unintentionally. Fluoroscopy used as a routine during the introduction of guidewire into the ...
Kaufman J M - - 1983
Umbilical artery catheterization is a widely used technique for monitoring sick neonates. When it is performed by cutdown, the proximity of peritoneum, urachus, and bladder makes these structures vulnerable to injury. Three neonates experienced bladder perforation that resulted from umbilical artery catheterization by cutdown. The diagnosis was aided by measuring ...
Poltera A A - - 1983
In group I (15 monkeys) the infection time was less than 70 days with one exception and histologically 14 had trypanosomal pancarditis with morphological evidence of lymph stasis. Trypanosomes served as markers of the dilated cardiac lymphatics seen at apices, atrioventricular junctions, near the His bundle, at the base of ...
Pierson D J - - 1983
Intelligent, safe patient management based on hemodynamic monitoring requires that the right measurements be made, that the data so generated be accurate, and that the clinician's judgment and understanding of their use be appropriate. This article discusses the catheterization of systemic and pulmonary arteries, with an emphasis on the purposes ...
Berenstein A - - 1983
The development of a catheter for easy and reproducible selective and superselective catheterization of the distal branches of the brachiocephalic arteries is reported. The catheter consists of a proximal 6- or 7-F braided wire shaft and a distal, nonbraided 10 cm made of thin-walled polyurethane with a 4- or 5-F ...
Chidi C C - - 1983
In an experimental study, catheterization of the abdominal aorta with small umbilical artery catheters consistently produced significant intimal injury. The duration of catheterization varied from 1 hr to 7 days, and recovery periods following catheter removal varied from 1-150 days. Endothelial disruption was observed in all animals sacrificed within 24 ...
Singh S - - 1983
A 72-year-old man with a recent inferior-wall myocardial infarction complicated by continued ischemic cardiac pain underwent an intracoronary streptokinase infusion in an attempt to re-establish coronary perfusion. Although the cardiac catheterization and streptokinase infusion were technically uncomplicated, signs of an enlarging mediastinal mass associated with a drop in the hematocrit ...
Lew A S - - 1983
We report our recent experience of 207 consecutive transeptal catheterizations performed in the following groups of patients: aortic valve disease in 152, mitral valve disease in 20, combined aortic and mitral valve disease in 11, hypertrophic obstructive cardiomyopathy in 11, assessment of prosthetic cardiac valves in nine, and four miscellaneous. ...
Shenoy S S - - 1983
Conversion of retrograde into antegrade catheterization is accomplished through the use of a sidewinder catheter with a reformed loop that is subsequently lost during advancement of the catheter tip. This technique was used to perform eight percutaneous dilatations (PTD) in seven patients (one had bilateral disease). Other applications for antegrade ...
Raja R M - - 1983
Subclavian vein catheterization (SVC) is not widely accepted for vascular access because it is considered more invasive than femoral vein catheterization (FVC). The use of FVC and SVC for acute vascular access was compared for 9 mo each. Complications were minimal with both, but access related hospitalizations were lower and ...
Haldeman S - - 1983
A 3-day-old neonate became acutely and irreversibly paraplegic below L1/L2 after umbilical artery catheterization. The paraplegia was attributed to infarction of the spinal cord because of thrombosis of the artery of Adamkievicz or injection of drugs through the catheter into the spinal cord circulation. Catheterization of a more peripheral artery ...
Katz R W - - 1983
Pulmonary artery catheterization has become a routine part of pediatric intensive care even for small infants. Measured and derived variables provide clinicians with better understanding of the patient's cardiovascular and pulmonary systems and provide the means by which the results and complications of therapy may be monitored. While significant complications ...
Kitzmiller J W - - 1982
From 1965 through 1980, 1,108 patients (1.5%) underwent thrombectomy and local arterial reconstruction because of brachial artery occlusion after a total of 73,750 cardiac catheterization procedures performed at the Cleveland Clinic. In a study group of 100 consecutive patients, 91 had simple arteriotomy revision and nine had segmental arterial resection ...
Buvat J - - 1982
We studied 29 cases of penile impotence to determine whether thermography could be used to screen for cases of vascular origin and, therefore, candidates for arteriography. Sixteen thermographic parameters were used to compare 3 groups of patients having normal, mildly altered and severely stenotic arteries on arteriography of the aortic ...
Kucera V - - 1982
Nineteen cases of unilateral absence of the pulmonary artery (UAPA) were found in a group of 2,960 patients investigated consecutively by cardiac catheterization, angiocardiography, and pulmonary perfusion scintigraphy. The incidence of UAPA was 0,6%. In 8 cases (40%) UAPA was found in isolation, and in 11 cases (60%) it was ...
Dueck R - - 1982
Summary and reliable physiologic or pharmacologic investigation in animal models often requires arterial catheterization in awake animal subjects. This can be facilitated by surgical exteriorization of the carotid artery for subsequent percutaneous catheterization. A simplified surgical procedure is described that has been demonstrated to have limited morbidity and excellent applicability ...
Rheuban K S - - 1982
The pulmonary artery sling is a vascular anomaly that produces severe respiratory disease in infancy. The differential diagnosis is lengthy, and the diagnostic work-up frequently includes such invasive maneuvers as bronchography, bronchoscopy, and cardiac catheterization. In this paper the use of a new noninvasive diagnostic tool, computer tomography, to aid ...
Sahn D J - - 1982
A new ultrasonic method was applied to image the femoral artery and vein in children for evaluation of short- and long-term effects of cardiac catheterization with femoral percutaneous cannulation. Sixty-six children and infants (aged 5 days to 20 years) were studied with a 9 megahertz electronically focused real time scanner. ...
Parrish M D - - 1982
Diagnostic retrograde arterial catheterization in infants, and small children has been constrained by the risk of arterial thrombosis and the low flow rate of catheters less than #5 French. We performed retrograde arterial catheterization (percutaneous technique in 21 of 24 patients) on 24 infants and small children (median age 3 ...
de Lange S S - - 1981
The success rate, frequency of complications and changes in systolic arterial pressure and heart rate during percutaneous pulmonary artery catheterization via an antecubital vein were evaluated before induction of anaesthesia in 84 patients about to undergo cardiac surgery. Serious complications were angina (2%) and a small tear in the tricuspid ...
Glassman E - - 1981
A specially designed ultrasonic transducer, 0.2 mm in length and 0.75 mm in diameter, operating at 7.5 megahertz and mounted on a thin flexible coaxial cable was advanced to the distal tip of a right heart or transseptal catheter in 20 patients during cardiac catheterization. Left atrial, aortic root and ...
Leeds S E - - 1981
Lymphangiograms were made in dogs with experimental congestive heart failure by cannulation of the left cardiac efferent (LCE), left pulmonary efferent (LPE), or cardiopulmonary lymphatic and injection of radiopaque medium. The lymphoangiograms showed cardiac enlargement and dilated mediastinal lymphatic channels consistent with an increase in lymph flow. By consecutive injections ...
Fergusson D J - - 1981
Percutaneous entry of the brachial artery using a sheath system has been attempted in 223 patients undergoing left heart catheterization; successfully, in 212. After arterial puncture, a dilator and sheath are passed over a short guidewire. A number 7-80 cm Sones specially stiffened coronary catheter is passed through the sheath, ...
Rao P S - - 1981
Thrombotic complications of percutaneous arterial catheterization still remain a significant and serious problem in infants and children. Systemic heparinization has been recommended for prevention of these complications. The purpose of this study was to evaluate the effect of intraarterial injection of heparin in reducing thrombotic complications following percutaneous femoral artery ...
Cha S D - - 1981
A 54-year-old female with rheumatic heart disease was found to have a mass in the left ventricle by echocardiography and angiography. Subsequently, giant Lambl's excrescences of papillary muscle and aortic valve were confirmed by operation and pathologic examination. Possible complication from cardiac catheterization could be avoided by the utilization of ...
Gavrish A S - - 1981
The author investigated the role played by insufficiency of the cardiac lymph system in the genesis of coronary sclerosis in 20 hearts with signs of lymph stoppage, obtained from patients deceased of malignant neoplasms with metastatic affection of mediastinal lymph nodes, and in 53 dogs, in which the lymph drainage ...
Hessel S J - - 1981
In the era of selective and superselective arteriography, vessel tortuosity, even in the presence of good pulses, can impede catheterization of the aorta and its branches. We assessed 101 patients who had femoral arteriography to determine whether there was a significant difference in tortuosity between the right and left sides ...
Wilkie R - - 1980
Epidural venography is a relatively simple, safe and highly accurate method of diagnosing lumbar disc herniations. Good opacification of the epidural venous plexus can be obtained by selective catheterization of the ascending lumbar vein or pre-sacral branches of the internal iliac veins. Experience with 100 cases of lumbar disc herniations ...
Puri V K - - 1980
Invasive hemodynamic procedures are increasingly used for monitoring critically ill and injured patients. The results of a prospective study on complications of 210 vascular catheterizations in 116 critically ill patients are reported. A total of 80 central venous (CV), 71 pulmonary artery (PA), and 59 arterial (A) catheterizations were performed ...
Bruni A - - 1980
Arteriography was used to study the arterial distribution of the hard and soft palate in dogs with and without cleft palate. Selective catheterization of the maxillary arteries produced arteriograms of the palatine arteries. Surgical exposure of the left common carotid artery or the right femoral artery was used for entry ...
Berkowitz R L - - 1980
Pulmonary artery flow-directed (Swan-Ganz [SG]) catheters are widely accepted as an integral part of the modern management of critically ill patients. Their use permits rational therapeutic decisions to be made on the basis of continuously evolving indices of ventricular function. The information which may be derived from these monitors and ...
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