Search Results
Results 701 - 750 of 828
< 7 8 9 10 11 12 13 14 15 16 17 >
Wells J R - - 1986
The relative safety of silicone rubber catheters allows use of the deep brachial vein for long-term central venous access when other vascular access sites are unavailable or undesirable. After local infiltration, a small incision is made across the medial edge of the brachial biceps and the vein is isolated from ...
Purdue G F - - 1986
A prospective study was performed to assess the indications for and complications of femoral vascular access in burn patients. In the study, 1655 femoral catheters (one-third arterial) were inserted in 232 patients; 136 of the catheters were inserted in 29 children (18 were younger than five years of age; the ...
Lammermeier D - - 1986
A key factor in the success of a home parenteral nutrition program is prolonged and safe access to the central venous system. There are some patients, however, in whom the cephalic, external jugular, internal jugular, subclavian, and saphenous veins cannot be used. In these patients, cannulation of an intercostal vein ...
Borland L M - - 1986
Position of the CVP port on a flow-directed balloon-tip pulmonary arterial catheter affects the accuracy of both thermodilution cardiac output determinations and CVP measurements. Systemic allometry (the study of the growth of a part in relation to the total organism) has been used to determine an easily measured independent variable ...
Slagle D C - - 1986
A patient with Crohn's disease who required placement of a right external jugular vein central catheter for total hyperalimentation is presented. Catheter-induced thrombosis and catheter-associated bacteremia and sepsis subsequently developed. Following the description of the case is a brief discussion of the complications inherent in central line placement, the mechanisms ...
Nelson E W - - 1986
Venous access techniques have evolved to include a variety of methods that can be tailored to a number of specific needs. The use of central venous catheters for short- and long-term venous access, newer methods of central venous access using totally implantable devices, and the evolution of current hemodialysis are ...
Kaufman J - - 1986
Central venous catheter-related infection and evidence for central venous thrombosis developed in five patients. On the basis of ongoing bacteremia after catheter removal and venographic confirmation, catheter-related septic central venous thrombosis (CR-SCVT) was confirmed. These patients were treated successfully with anticoagulation and antibiotics; none required surgical exploration or drainage.CR-SCVT is ...
Kanter R K - - 1986
Prospective observations made during surveillance of routine central venous catheterizations for hemodynamic monitoring were evaluated to determine the safety and effectiveness of femoral insertion of central venous catheters and to demonstrate the feasibility of teaching pediatric residents to perform this procedure. During a 19-month period of observation, 29 pediatric patients ...
Robinson R G - - 1986
Multiple occlusions of central venous catheters occurred in four patients who were receiving total parenteral nutrition (TPN). Misformulation of bulk prepared TPN solution caused temperature-dependent precipitation of calcium phosphate within the catheter during infusion.
Patel C - - 1986
Of 142 critically ill patients undergoing pulmonary artery catheter (PAC) insertion, 1.4% suffered pneumothorax and 7.7% experienced arterial puncture during central venous access. Catheterization was successful in all cases; however, 8.4% of patients required special maneuvers for pulmonary artery cannulation. The 52.3% incidence of cardiac arrhythmias during PAC insertion was ...
Hochberg M S - - 1986
Vasoactive drugs were infused through catheters in the right atrium and then the left atrium of 34 patients who required either vasopressor or vasodilator support following cardiac operation to determine if the route of infusion affected the aortic blood concentration of these agents. Drugs were given through the right atrium ...
Morgan R F - - 1986
The long-term cutaneous thermal changes and the degree of sympathetic reinnervation of the vessels after a distal sympathectomy in an experimental model are reported. Under general anesthesia, a distal sympathectomy was performed at the proximal portion of the central artery of a rabbit ear. The contralateral ear served as a ...
Mahaley M S MS - - 1986
Central neurotoxicity is reported in 5 of 16 patients with recently diagnosed anaplastic gliomas, who received intra-arterial BCNU (200 mg/M2/course) and also 2 in a series of 26 patients with recurrent gliomas similarly treated. Neurotoxicity was usually delayed, commencing several weeks following the second or third course. CT scans during ...
Sasou S - - 1986
The marginal zone, white pulp and red pulp of rat and human spleen were studied by scanning electron microscopy and were compared. The marginal zone was observed in both species. The arterial termination in the marginal zone was quite different between both species. The follicular arteries terminated at the boundary ...
Torosian M H - - 1986
Thrombotic occlusion of the entire superior central venous system is a rare complication of central venous catheterization. Three patients are presented with complete occlusion of the superior vena cava secondary to prolonged central venous catheterization. Thrombotic occlusion of the superior vena cava precludes central venous access by conventional techniques. Thoracotomy ...
Tepas J J JJ - - 1986
An extremely effective retractor for use in transanal surgery can be produced by removing the polyethylene bag from a standard colostomy appliance and cutting notches in the outer circumference. The resultant pliable ring serves as a frame to which heavy silk sutures can be attached after placement tangentially at the ...
Murasugi C M - - 1986
In Experiment 1 we investigated the independent and combined effects of horizontal OKN of stationary edges and occlusion of the central retina. For a display 60 degrees wide moving at 30 degrees/sec a symmetrically placed pair of vertical nonoccluding bars suppressed OKN when near the center of the display but ...
Colón R - - 1985
Central vein catheterization is a common procedure performed in major hospitals. Numerous complications have been described with the use of this technique. We present three patients in whom the positioning of a catheter at the junction of the right and left brachiocephalic veins caused hydrothorax. Placing the catheter at the ...
Orzel J A - - 1985
The inappropriate placement of a patient's central venous catheter in the pleural space by the serendipitous injection of Tc-99m labeled red blood cells through the catheter during a GI bleeding study was discovered. Position and patency of central venous lines can be incidentally evaluated by using existing central venous catheters ...
Redline R W - - 1985
Systemic infection with Malassezia furfur was first reported in 1981 as a specific complication of Intralipid therapy in a neonate. Six additional patients, including three older than 16 years of age, were identified subsequently. All had received prolonged Intralipid infusion through central venous catheters. Pulmonary infection was documented in tissue ...
Klein M D - - 1985
Tunneling the central venous catheter from the venous insertion site in the subclavicular or cervical area to the exit site on the chest wall can be difficult, especially in small children with a very convex chest wall. We present a technique which avoids many of the problems encountered with previously ...
Martin G B - - 1985
Arterial blood gases are difficult to obtain during cardiopulmonary resuscitation (CPR) in human beings, and the possibility of venous sampling is raised frequently. The reliability of central venous gases as a substitute for arterial blood gases in assessing acid base status, however, has not been investigated adequately under conditions of ...
Laufer E - - 1985
A technique has been devised by which a misplaced central venous catheter can be repositioned in the superior vena cava by using a #2 vascular Fogarty catheter. This technique is easier and more dependable than the J-guide wire technique and spares the patient repeated attempts at subclavian vein cannulation.
Brown C G - - 1985
Experience has shown that the frequency of electrical capture of the heart with percutaneous transthoracic pacemakers is disappointingly low. The authors sought to determine whether the accuracy of ventricular placement could help to explain this observation. Six approaches were used in each of twenty adult patients who were examined at ...
Kron I L - - 1985
We have observed seven instances of unintentional cannulation of major arteries with 8F sheaths during preparation for open-heart operation. When the sheath was removed and the operation delayed, there were no complications; in the two instances in which the open-heart operation was performed immediately after arterial cannulation, there was 1 ...
Yorifuji S - - 1985
A 50-year-old man with a 1-year history of transient attacks of left total hemiparesis was admitted to hospital with a complaint of increasing frequency of attacks. Minimal or moderate left hemiparesis was elicited by elevation of environmental temperature when taking a hot bath or a hot shower. Right carotid angiography ...
Smits P J - - 1985
The Biocarbon vascular access device (DiaTAB) is a relatively new method in secondary access surgery. Punctures, often the cause of complications can be avoided because it is a no-needle method of dialysis. However thrombosis due to stenosis of the venous anastomosis or of the efferent vein is a continuing problem. ...
Williams M R - - 1985
Percutaneous central venous catheterization provides access for volume replacement and hemodynamic monitoring. This study reviewed 119 percutaneous central venous catheterizations in 112 patients over a 12-month period. All catheters were placed by emergency department (ED) physicians or housestaff under their direct guidance. Pneumothorax occurred in three patients and required chest ...
Jensen S R - - 1985
Indwelling central venous catheters are widely used for the management of many disorders but have a high incidence of dislodgement, thrombosis, or occlusion. Contrast studies of these complications are hampered by difficulty injecting contrast through the catheters or peripheral veins. Use of digital subtraction angiography allows adequate visualization with small ...
Maeta M - - 1984
Total body hyperthermia (TBHT) was induced in patients with terminal cancer, using a femoral arterio-venous shunt as an extracorporeal circuit incorporating a heat exchanger. A total of 31 systemic hyperthermic treatments lasting 3 to 4 hours at 41.5 degrees C to 42 degrees C (rectal temperature) were performed on 11 ...
Kwun K B - - 1984
A method of percutaneous central venous catheterization involving the brachial vein is described. A constant anatomic location and large diameter of brachial vein render a high chance of successful veinpuncture. The gradual increasing size of venous catheters with initial small needle puncture minimizes the possibility of a complication. This technique ...
Morris J L - - 1984
The development of the vascular bed in the rabbit ear was investigated using vascular corrosion casts from animals of various ages. Examination of the casts revealed that the arrangement of the major auricular arteries and veins was determined before birth and was maintained during postnatal growth of the ear. Furthermore, ...
Matsushima Y - - 1984
Pulmonary function and arterial blood gases were measured in 35 patients undergoing routine diagnostic flexible fiberoptic bronchoscopy (FFB) either through an 8-mm endotracheal tube (ETT) or transnasally in order to investigate whether FFB changes lung function in a way which may explain why hypoxemia commonly occurs during this procedure. In ...
Marrott P K - - 1984
Moran, in an excellent review, defined idiopathic infantile arterial calcification as a rare disorder of undetermined etiology, characterized by deposition of calcific material along the internal elastic membrane of large, medium, and small arteries. Fibrous proliferation in the intima occurs and the arterial lumen is narrowed. The constellation of affected ...
Brown D L - - 1984
The effect of intravenous methylmethacrylate (MMA) on atrioventricular conduction times was studied in dogs, utilizing His-bundle electrograms. Dogs were anesthetized with halothane or enflurane; then MMA in a dose causing minimal to profound hemodynamic changes was administered and His-bundle electrograms, and arterial, pulmonary artery, and central venous pressures were recorded. ...
Lappe R W - - 1984
Previous studies have demonstrated that, due to a central action, angiotensin II (ANG II) infused via the carotid artery of the rat elicited a greater pressor response than ANG II infused via the abdominal aorta. In the present study, regional vascular resistance responses to carotid and abdominal aortic infusions of ...
Wechsler R J - - 1984
When interpreting routine radiographs following thoracic venous catheterization, a thorough knowledge of normal venous anatomy is necessary to prevent potential complications of central venous catheter misplacement. In the following report, we review the thoracic venous anatomy and show examples of azygous, superior intercostal, internal mammary, inferior thyroid, pericardiophrenic, and left ...
Fletcher B D - - 1984
Forty-one intravenous digital subtraction angiographic (IVDSA) studies were performed in 39 patients aged 4 weeks to 19 years (mean: 9.4 years) in order to evaluate the heart, great vessels and palliative shunts. Contrast agents were injected via antecubital vein cannulation in 14 examinations. In the remaining 27, injections were made ...
Newman B M - - 1983
During the course of parenteral nutrition in infants, access to the central venous system may become limited due to thrombotic occlusion of the superior and inferior caval venous systems. When this problem arises, central venous access via the intercostal vein into the azygos system can provide a safe, relatively easy ...
Spicer K M - - 1983
Three patients were referred for lung ventilation and perfusion (V/Q) imaging with symptoms strongly suggestive of pulmonary embolus (PE). Chest roentgenograms and xenon ventilation studies on all three were normal, save for prominent mediastinal silhouettes and effusions. Technetium-99m macroaggregated albumin (Tc-99m MAA), when injected through the central venous catheter (CVP), ...
Phillips S J - - 1983
Improved technology has allowed us to develop support pumps that can be applied rapidly and safely. A system utilizing thin-walled (4 mm inner diameter) percutaneously inserted sheaths has been designed for rapid bedside arterial and central venous cannulation to establish femoral arterial and venous cardiopulmonary bypass. The system utilizes two ...
Giovannini I - - 1983
A quantification of the determinants of arterial hypoxemia was performed in 376 cardiorespiratory measurements obtained from 180 critically ill patients. Statistical analysis showed that pulmonary venous admixture (Qsp/Qt) could explain only 48% of the PaO2 variability in the sample of measurements taken (r2 = 0.48), while the effect of central ...
Armstrong C W - - 1983
Replacement of central venous catheters over a guidewire is now practiced throughout the United States. Although potential mechanical complications of this technique have been mentioned in the literature, few such complications have been documented. We report a patient who suffered a fatal contralateral hydrothorax following replacement of a central venous ...
Bozzetti F - - 1983
A new approach for preventing and treating sepsis due to central venous catheter (CVC) has been devised at the Istituto Nazionale Tumori of Milan. A prospective protocol has been developed that includes the weekly exchange of the CVC via a guidewire as well as its exchange when a CVC-related sepsis ...
Bar-Joseph G - - 1983
The frequent use of central venous catheters has resulted in improved monitoring and parenteral nutrition. However, these catheters have also been a source of numerous complications, some of them lethal. Two cases of perforation of the heart that resulted in cardiac tamponade and death are reported. Early detection of this ...
Modic M T - - 1983
Central and peripheral intravenous injections of contrast material for digital subtraction angiography were compared in 30 patients. With 40 ml of contrast material, visualization of the carotid bifurcations was as good with the peripheral as with the central injection. A more consistently high-quality examination of the small intracranial vessels was ...
Cope C - - 1983
The serious clinical complications of central venous catheterization are mostly due to laceration of vital thoracocervical structures by large caliber introducing needles. A new percutaneous sheath catheter introducing kit requiring only a 21-gauge needle for its introduction has been devised for the purpose of significantly reducing the incidence of life-threatening ...
Chalfin L J - - 1983
Surgeons are frequently called upon to place central venous catheters for various purposes. With the increasing used of central vein hyperalimentation, these catheters have become quite widely used. Often, critically ill patients require simultaneous infusions of vasopressors, fluids, blood and/or blood products, and hyperalimentation. In patients who have had peripheral ...
Eide J - - 1983
A fatal case of infusion of a fat emulsion (Intralipid) into the pericardium is reported. Perforation of the anterior wall of the right ventricle of the heart by a central venous catheter had occurred 3 days after insertion via the basilic vein. Local myocardial inflammation and necrosis along the puncture ...
Laughlin L L - - 1983
A technique of left heart decompression is presented which is simple and easy to apply. Cannulation of the main pulmonary artery with a coiled wire reinforced venous cannula provides access for continuous suction and effectively decompresses both the left and right sides of the heart. An in-line vacuum release valve ...
< 7 8 9 10 11 12 13 14 15 16 17 >