Search Results
Results 601 - 650 of 808
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Karr S B - - 1991
The authors encountered a patient with an indwelling central venous catheter who presented with pulmonary edema after the catheter hub was disconnected. Pulmonary arteriography demonstrated diffuse peripheral vasoconstriction, decreased arterial-to-venous transit time, and arterial occlusions. The former two findings allowed the authors to prospectively suggest the diagnosis of pulmonary air ...
van der Hem K G - - 1991
A case of "spontaneous" fracture of the catheter of a totally implanted venous access device is reported. The distal part of the catheter migrated into a pulmonary artery branch and could not be retrieved. The cause and consequences of this rare complication are discussed. It is emphasized that the integrity ...
Segraves R T - - 1991
In a double-blind study using physiological recording of penile tumescence, brachial subcutaneous apomorphine hydrochloride injections elicited penile erections in men with psychogenic impotence. This observation is compatible with the hypothesis of central dopaminergic involvement in human penile erection. Since apomorphine is believed to induce erections by its effect on brain ...
West J C - - 1991
Arterial insufficiency distal to an antecubital access is fortunately an infrequent but disturbing and often debilitating complication resulting in suboptimal access. During an 8 1/2-year period, 335 vascular access procedures were performed, 108 of which were antecubital brachiocephalic Gore-Tex conduits. Of these Gore-Tex conduits, 1.8% (2/108) had developed symptoms of ...
Marcus R H - - 1991
This report describes the definitive diagnosis of venous air-embolism by documentation of spontaneous echo contrast in the right cardiac chambers following removal of a jugular venous catheter in a patient with hepatic failure. This complication was potentiated by the presence of concurrent hepatic coagulopathy which prejudiced effective hemostasis at the ...
Roux D - - 1991
We describe a new technique for the placing and fixing of extracorporeal circulation cannulae in the heart. Two devices are involved, the first for an atrial or venous return cannula and the second for an aortic perfusion cannula. These allow quick easy cannulation which is very important in emergency surgery.
Ricci J L - - 1991
A technique for the insertion of a central venous access device in the patient with thrombocytopenia is described. Using the Seldinger technique, a wire is placed into the internal jugular vein. A catheter tunneled from the anterior part of the chest is inserted through a peel-away sheath into the central ...
Hachisuka K - - 1991
We report a patient who developed paraplegia following percutaneous nephrolithotresis of the left kidney under epidural anaesthesia. The cause of the paraplegia was unknown, but occlusion of the anterior spinal artery or central arteries and arachnoiditis, possibly due to the epidural anaesthesia, may have taken part in the onset and ...
Topol M - - 1991
In 60 left lungs of adult humans topography and division of arterial vessels as well as formation of venous vessels and their orifices within the so-called pulmonary acini were studied. The pulmonary acini were supplied by so-called terminal arteries which accompanied so-called terminal bronchioli. The arteries divided into branches of ...
Johnson C W - - 1991
The potential complications of percutaneous venous catheterizations are many and include pneumothorax, subclavian and carotid artery puncture, hematoma, air embolism, catheter malposition, catheter fragment embolization, venous thrombosis and infection. This case report describes a patient who developed angiographically documented pulmonary emboli associated with the changing of a central venous catheter ...
Kanarek K S - - 1991
The administration of total parenteral nutrition through umbilical artery catheters in 48 neonates (birth weight 1.7 +/- 0.58 kg) was compared with administration via central venous catheters in 26 infants (birth weight 2.05 +/- 0.89 kg). There was no significant difference in the amount of calories delivered (72 +/- 12 ...
Isaacson I J - - 1990
One hundred two patients undergoing abdominal aortic reconstructive surgery were prospectively, randomly allocated to two groups, one of which was monitored with a central venous catheter and the other with a pulmonary artery catheter. Patients with uncompensated cardiopulmonary or renal disease were excluded from the study. General anesthesia was administered ...
Yamamoto O - - 1990
The entire microvascular architecture in rat foot-pads including that of eccrine sweat glands was studied by scanning electron microscopy using a vascular corrosion-cast replication technique. In the central roofs of the pads, particularly elaborate capillary networks were arranged in rows perpendicular to the long axis of the foot. In the ...
Gagliardi J M - - 1990
Catheter arteriography by the axillary or brachial route can be responsible for central neurologic complications. The objectives of this prospective study were to define the predictive factors of these complications and determine their incidence. This report is based on 288 consecutive arteriography sessions performed between January 1985 and June 1987. ...
McCall B B - - 1990
The effects of central venous bolus injections of potassium chloride (KCl) on arterial potassium concentration were studied in patients undergoing cardiopulmonary bypass. Ten subjects were studied, and each received a rapid bolus injection of KCl, 33 microEq/kg, both before and after cardiopulmonary bypass. Injections were delivered through the proximal infusion ...
Read R - - 1990
Extracorporeal membrane oxygenation has been shown to be useful for patients in reversible cardiogenic shock. Effective arterial cannulation techniques for infants have been developed that are simple to use and require minimal subsequent vascular repair or reconstruction after removal. Groin cannulation in adults frequently requires bidirectional arterial cannulation to ensure ...
Core G B - - 1990
We have reported two instances requiring long term central venous access in which the more traditional access sites were no longer available. The use of the internal mammary vein has made it possible to easily obtain central venous access in these patients without thoracotomy. Also, based on the anatomy, we ...
Muakkassa F F - - 1990
Arterial blood gas measurements (ABGs) are the most common tests ordered in an ICU. ABG utilization in a surgical ICU over a 1-year period (September 1, 1987-October 31, 1988) was evaluated to identify factors that might help reduce overutilization. A total of 842 admissions comprising 2,381 patient days were reviewed. ...
Beers T R - - 1990
Clinical suspicion and venographic conformation were used to diagnose 15 cases of superior vena caval obstruction (SVCO) in 107 home parenteral nutrition (HPN) patients over 379 cumulative years of HPN (3.9 cases/100 patient-years). Patients with SVCO had been on HPN a mean of 51.5 months and had used 6.2 (range ...
Zaman M H - - 1990
The left pericardiacophrenic vein was accidentally cannulated during an attempt to establish central venous catheterization through the left internal jugular vein. Chest roentgenograms and intravenous contrast material confirmed the position of the catheter. Although our patient developed no problems during a five-day cannulation, based on published information, it is advisable ...
Sternbach G - - 1990
The Seldinger method of guide-wire catheterization was originally described by Sven Ivar Seldinger, a Swedish radiologist, as an arterial cannulation method for performing arteriography. Subsequent modifications have adapted the technique for use in venous catheterization. The major advantage of the Seldinger technique is that it allows for the insertion of ...
Mellem H - - 1990
A 23-year-old female self-contained underwater breathing apparatus (SCUBA) diver developed central nervous symptoms and signs of arterial gas embolism when surfacing after 15 min at a depth of 18 m. The dive had been performed according to normal procedure. In the hospital, chest X-ray and computer tomography of the chest ...
Townsend P L - - 1990
Pseudarthrosis of the tibia represents one of the more difficult conditions to treat, often resulting in delayed amputation or shortening. A technique is described where the central segment of the fibula containing the nutrient artery can be mobilised based on retrograde peroneal artery flow. This can then be transposed and ...
Gabel-Hughes K S - - 1990
Before an arterial line is inserted, the skin at the site is prepped typically with the traditional iodophor-based preps. The arterial site is then covered with an occlusive dressing. When arterial lines are maintained for even a few days, it is not uncommon that some form of complication develops at ...
De Groot K M - - 1990
Four instances of intrinsic obstruction of a Procter-Livingstone tube inserted for oesophageal carcinoma are described. The exact cause of the blistering is unknown, but it is thought to occur by absorption through the latex. It is suggested that if this complication is found, relief of obstruction may be obtained by ...
Pollitt C C - - 1990
The microcirculation of the dermal laminae and papillae of the equine foot from seven clinically normal Australian ponies was studied using an improved microvascular casting corrosion technique and scanning electron microscopy. Casts of veins, arteries, capillaries and arteriovenous anastomoses (AVAs) were readily identified by their characteristic surface morphology. Arteries entered ...
Belcastro S - - 1990
Total parenteral nutrition (TPN) today is a fundamental procedure in the treatment of critically ill patients, especially if they have serious gastrointestinal diseases. However, use of the central venous catheter is connected with a very important morbidity. At the "Istituto di Patologia Chirurgica" and at the "Intensive Care Unit" of ...
Taylor B L - - 1990
A new percutaneous approach to central venous catheterization was recently described which seemed to offer advantages over others commonly used. To evaluate the technique, it was successfully used in 102 consecutive patients for monitoring, drug infusion, pulmonary arterial catheterization, and parenteral nutrition. There was a low incidence of complications, the ...
van der Zwet P M - - 1990
For the quantitative analysis of a coronary segment from a coronary (cine)angiogram, an initial path line is required which functions as a model for the subsequent automated contour detection. For on-line applications, a new method for the automated definition of arterial path lines has been developed. Required user-interaction consists of ...
Möllmann M - - 1990
Ultrasonography is being increasingly used in the field of anesthesiology. One major indication is visualization of central venous vessels, in particular the internal jugular vein before and during cannulation by means of ultrasonography or ultrasonic Doppler. This should facilitate puncture with a higher rate of successful cannulations and decreased rate ...
Spinale F G - - 1989
Currently, accurate measurements of extravascular lung water (EVLW) are obtained using the double dye dilution technique (DD). However, this method is invasive and complicated and has limited its clinical use. The purpose of this study was to develop a noninvasive method for determining changes in EVLW using bioimpedance (BI) and ...
Lum P S - - 1989
Through research and clinical trials at The University of Texas M. D. Anderson Cancer Center, central venous catheters have gained wide acceptance and are being used for an increasing number of applications. More than 30,000 patients have had a CVC placed since the inception of the M. D. Anderson program ...
Bagwell C E - - 1989
A surgical technique has been devised for creating access to the central venous circulation, yet avoiding a chronic, in-dwelling central venous catheter. While far removed from actual clinical application, the possibility of catheter-free access to the central venous circulation offers great potential for ease of care and a lessened infection ...
Kato S - - 1989
The blood vascular architecture in three-paired external gills of salamander tadpoles, Hynobius dunni Tago, was demonstrated with special reference to metamorphosis by scanning electron microscopy of vascular corrosion casts. In the fully developed gill, each of the three-paired afferent branchial arteries gave off secondary afferent filament arterioles. The afferent filament ...
Ragasa J - - 1989
Fifty attempted central venous cannulations via the antecubital route were studied with fluoroscopy to determine catheter tip location. Only "catheter through needle" devices were employed. Successful central placement occurred on the first attempt in 27 cases. The major impediment to central location of the catheter tip (ten cases) was the ...
Olcott E W - - 1989
Malpositioned central venous catheters must be repositioned in order to avoid damage caused by concentrated or irritating infusates. Floppy catheters may be repositioned rapidly with a brisk injection of fluid. The ease of this technique, with its anticipated low risk of infection, makes it an attractive alternative to manipulation using ...
Luks F I - - 1989
A new technique is described for the percutaneous insertion of central venous catheters under direct ECG guidance, using the intraluminal column of saline solution as a transvenous electrode. This method is safe and allows the correct placement of the catheter tip in the superior vena cava, regardless of anatomic variations ...
Barber C J - - 1989
Scant attention has been paid to the technical aspects of central venous catheter placement in intravenous digital subtraction angiography (IV-DSA). In a prospective study of 200 unselected patients referred for IV-DSA, technical problems and success rates were recorded. Central venous access via an arm vein was achieved in 95% of ...
Keatinge W R - - 1989
Changes in summer (July-September) and winter (January-March) mortalities of people aged 70-74 in England and Wales from 1964 to 1984 were compared with possible causal factors. Summer mortalities were little affected by annual temperature or influenza epidemics and fell from 1972-1975 for all causes, coronary and respiratory causes, while cerebrovascular ...
Stine K C - - 1989
Central venous catheters have proven to be an important aid for the care of pediatric patients with malignancies receiving chemotherapy. A rare complication of such catheters is pulmonary septic emboli. This report describes a 15-year-old white girl with rhabdomyosarcoma who developed pulmonary nodules while on chemotherapy. These lesions appeared to ...
Stenzel J P - - 1989
In a prospective, 45-month study, we compared the complication rates of percutaneously placed femoral and nonfemoral central venous catheters in critically ill pediatric patients. Forty-one percent of the 395 central venous catheters placed during this interval were femoral. Noninfectious complications were recognized for 2.5% of femoral catheters and 2.1% of ...
Caulkins S E - - 1989
The blood supply patterns to the spinal cord were examined and compared in 15 dogs and 10 cats by use of dissection and radiographic visualization. The lowest percentages of radicular contributions and the smallest diameter vessels were found in the thoracic part of the spinal cord. The central arteries were ...
Martin G B - - 1989
Although hypokalemia has been reported after cardiac arrest and successful resuscitation, experimental data indicate that potassium is released from cells during ischemia. The purpose of this investigation was to study serum potassium concentration ([K+]) during closed chest cardiopulmonary resuscitation (CC-CPR) in humans. Twenty-two patients presenting to the emergency department (ED) ...
Ikeda S - - 1989
A case of unusual triple knotting of a central venous catheter inserted through the left basilic vein is reported. The catheter with intact triple knots could be withdrawn without an invasive maneuver. A possible cause of triple knotting was discussed in regard to the anatomic configuration of the central veins. ...
Robards J B - - 1989
In patients requiring long term central venous access, common venous access routes may become occluded. Surgical placement of central venous catheters may not always be possible or optimal. Percutaneous translumbar inferior vena cava central line placement offers an additional access route. The technique of translumbar inferior vena cava central venous ...
Hernandez R J - - 1989
Narrowing of the pulmonary arteries was created surgically in twelve dogs. In six of the dogs the narrowing was central (main pulmonary artery), and in the remaining six the narrowing was located peripherally at the hilar level of the right pulmonary artery beyond the pericardial reflection. MRI and angiography were ...
Chiarla C - - 1988
Data from 2,298 measurements of pulmonary venous admixture (QS/QT) performed in 733 patients were analyzed and processed in order to develop a method for rapid and reliable estimation of QS/QT by a simplified approach. Formulae and charts were obtained, which are easily suitable for use in all settings, and permit ...
Emerman C L - - 1988
Previous reports have advocated the use of mixed venous blood gases to estimate arterial pH and as a reflection of tissue acid-based balance. However, true mixed venous samples are difficult to obtain during cardiac arrest as they require a pulmonary artery catheter. The purpose of this study was to determine ...
Sullivan I D - - 1988
Between 1979 and 1986, 26 patients with pulmonary atresia, ventricular septal defect, and multifocal pulmonary blood supply underwent surgery (median age, 2 years) to reconnect major aortopulmonary collateral arteries to other collateral arteries or to the central pulmonary arteries in an attempt to prepare the pulmonary circulation for complete repair. ...
Acalovschi I - - 1988
The occurrence of air embolism with neurologic complications during the insertion of central venous catheters is well known, but the development of a cortical blindness has not been stress. The case of a woman patient is described, who, after the puncturing of the subclavian vein, developed a state of confusion ...
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