For lack of other suitable access, 10 consecutive patients received paired hemodialysis catheters for long-term hemodialysis using a translumbar approach to the inferior vena cava (IVC). All attempts were successful. Five paired catheters were placed using the single-puncture technique, and five using the dual-puncture technique. ...
Energy Citations Database
When patients with end-stage renal disease have exhausted both conventional and unconventional venous access options, creative solutions must be sought for hemodialysis catheter placement in order to ensure survival. This case describes a patient in urgent need of a dialysis catheter despite total occlusion of the ...
A nonhuman primate model comprising adult male rhesus monkeys (Macaca mulatta) with chronically indwelling subcutaneous central venous access devices provides a unique opportunity to determine plasma pharmacokinetics of new drugs such as anticancer and anti- retroviral agents. The central venous access we use is a low-profile, single-septum, titanium port ...
PubMed
...long-term intravascular catheter. The device allows for repeated access to...and the sampling of blood. The device consists of a portal body with a resealable septum...attached to the port at the time of device placement. The device is...
Code of Federal Regulations, 2011
We report a case of an obstructed pelvic kidney which was decompressed using a transosseous access route. The patient presented with obstructive uropathy and fever, necessitating decompression. Initial access was gained to the kidney by traversing the ilium, allowing subsequent retrograde placement of a double-Jureteric ...
Hepatic arterial infusion chemotherapy can be of value to patients with metastatic liver disease from colorectal cancer. Arterial infusion therapy requires surgical placement of a catheter into the gastroduodenal artery connected to a subcutaneous infusion pump or port, a procedure involving major abdominal surgery. Placement of ...
... and placement of pressure catheters was determined ... The calculated right pleural pressure is much lower ... to the placement of the pressure catheter. ...
DTIC Science & Technology
Haemodialysis central venous catheters are commonly being introduced in patients requiring emergency or chronic renal replacement therapy. There are two main categories of haemodialysis catheters: 1. Non-tunnelled, uncuffed, designed for short-term venous access of up to three weeks. They are, made of stiff materials such as ...
OBJECTIVE: This study evaluated the accuracy of placing right atrial catheters using an electrocardiographic (ECG) technique. SUMMARY BACKGROUND DATA: Placement of right atrial catheters for vascular access is a common operative procedure. Accurate placement is essential for proper function. ...
PubMed Central
A port-catheter system was implanted via femoral artery access for hepatic artery chemotherapy infusion. Implantation was attempted in 90 patients and was successful in 88. Blood flow redistribution was performed using embolization coils. In the first ten patients a soft heparin-coated infusion catheter was used. For the following 78 ...
A method for hemodialysis catheter placement in patients with central thoracic venous stenosis or occlusion is described and initial results are analyzed. Twelve patients, with a mean age of 63.2 years (42-80 years), with central venous stenosis or occlusion, and who required a hemodialysis catheter were reviewed. All lesions were ...
Mononuclear cell leukapheresis requires good-quality venous access. Catheter placement and removal of the catheter may be associated with life-threatening local or systemic complications. Thus, prompt recognition of these complications and appropriate therapy can be life-saving. We report the case of a young man ...
Many procedures in minipigs require establishment of reliable deep venous access with a large-bore catheter. In animal experiments, such catheters are typically implanted surgically. In clinical settings, however, ultrasound imaging is routinely used to facilitate safe, minimally invasive puncture of deep vessels. The authors describe ...
BackgroundCentral venous catheter placement is a common procedure with a high incidence of error. Other fields requiring high reliability have used Failure Mode and Effects Analysis (FMEA) to prioritize quality and safety improvement efforts.ObjectiveTo use FMEA in the development of a formal, standardized curriculum for central venous ...
Subcutaneous central venous infusion reservoirs (central venous catheters) are one of the primary devices for administration of intravenous chemotherapy. Usually these devices have few problems, and they provide dependable long term central venous access. Infection of these catheters is a significant problem that usually requires ...
mm with a 14 54-mm scanning footprint. The sonic flashlight retains the same scanning footprint institution who were trained in US- guided peripherally inserted central catheter placement and placed these catheters in patients at the bedside on a daily basis. By using the same vascu- lar phantoms and tasks
E-print Network
Purpose. To compare the differences in practice and outcome of all radiologically and surgically placed central venous catheters retrospectively over a 2-year period simultaneously, at a single institution. Methods.A total of 253 Hickman catheters were inserted in 209 patients; 120 were placed radiologically in 102 patients and 133 were placed surgically ...
Chlorhexidine, a bisbiguanide, is widely used as an antiseptic agent in medical practice as it has the greatest residual antimicrobial activity. Central venous catheters coated extraluminally with chlorhexidine have been made to reduce extraluminal contamination. By using both the chlorhexidine-alchohol skin preparation and antimicrobial-coated catheters ...
Placement of peripheral intravenous (PIV) lines in difficult-to-access patients can be daunting. Multiple unsuccessful peripheral sticks, numerous PIV restarts, and potentially excess use of peripherally inserted central catheters can result. The goals of this project were to decrease the number of peripherally inserted central ...
The purpose of this study was to determine the incidence of central vein stenosis and occlusion following upper extremity placement of peripherally inserted central venous catheters(PICCs) and venous ports. One hundred fifty-four patients who underwent venography of the ipsilateral central veins prior to initial and subsequent venous ...
An inadvertent case of pericardial placement of a central venous catheter was successfully treated by direct thrombin injection.
Objectives: Endovascular therapy for hemodialysis (HD) access is now performed in outpatient centers in a growing number of cities in the US. As patients live longer, we are facing a growing number of patients with central venous occlusion. We report our first three cases of mediastinal tunneled dialysis catheter placement in a clinic ...
The purpose of this paper is to present our experience with real-time computed tomography (CT) fluoroscopy guided percutaneous nephrostomy (PNT) and to describe this technique involving puncture under laser guidance. We attempted 30 placements in 25 patients: puncture was directed by laser guidance and placement of the tube was made under real time CT ...
OBJECTIVES: While intraperitoneal (IP) chemotherapy has shown significant survival benefits, the ability to successfully deliver IP chemotherapy has been limited. In GOG 172, surgically-placed IP catheters had a reported complication rate of 34%. In addition, IP catheters have to be placed surgically. We have developed a novel percutaneous ...
Catheter type, access technique, and the catheter position should be selected considering to the anticipated duration of PN aiming at the lowest complication risks (infectious and non-infectious). Long-term (>7�10 days) parenteral nutrition (PN) requires central venous access whereas for PN <3 weeks ...
The subcutaneous venous access device (SVAD or "port") is a critical component in the care of patients with chronic disease. The modern SVAD provides reliable access for blood withdrawal and medication administration with minimal disruption to a patient's lifestyle. Because of improved materials and catheter technology, today's ports ...
BACKGROUND: Nurse-led central venous catheter placement is an emerging clinical role internationally. Procedural characteristics and clinical outcomes is an important consideration in appraisal of such advanced nursing roles. OBJECTIVES: To review characteristics and outcomes of three nurse-led central venous catheter insertion ...
INTRODUCTION: Central venous catheter placement is an effective alternative vascular access for dialysis in patients with chronic renal failure. The purpose of this study was to evaluate the insertion of central venous catheters for hemodialysis using angiographic techniques in patients with previous multiple ...
In some patients with acute cerebral vessel occlusion, navigating mechanical thrombectomy systems is difficult due to tortuous anatomy of the aortic arch, carotid arteries, or vertebral arteries. Our purpose was to describe a multiple coaxial catheter system used for mechanical revascularization that helps navigation and manipulations in tortuous vessels. A triple or quadruple ...
Catheterization of the internal jugular vein is used for temporary access to the central vein in patients with acute or chronic renal failure. The most frequent problem is the arterial puncture and accidental placement of the large catheter in an artery. This case report describes a rare secondary complication by accidental ...
Placement of peripheral pediatric intravenous (IV) catheters in infants and children is difficult, even in skilled hands. This large, 2-institution prospective study used real-time independent observations to describe the effect of nurse experience and competence on the length of time and the number of attempts to establish a successful IV ...
... (puncture of pleural cavity for aspiration ... Central catheters ... Coding data were used to quantify the number of central catheter placements performed ...
The role of fistula catheter intravascular length and placement relative to the fistula in preventing failure from erosion and thrombosis were investigated in sheep. Movement of the point of catheter insertion from the area of disturbed flow at the fistul...
National Technical Information Service (NTIS)
Percutaneous aortic valve replacement remains an investigational procedure challenged by multiple key issues. In part 1 of this 2 part series, the issue of precise placement of the percutaneous aortic valve was addressed by a novel design of a delivery and deployment system. The design and use of a hemodynamics supporting temporary aortic valve was highlighted, which can ...
Purpose: The right internal jugular (RIJ) vein is preferred for placement of long-term venous catheters (CVC) for hemodialysis (HD). Use of left IJ vein potentially depletes the access site for arteriovenous fistula (AVF) or arteriovenous graft (AVF) placement because of the high rates of central venous stenosis. ...
= superior vena cava Circulation. Author manuscript; available in PMC 2006 April 4. #12;NIH Weide R, Smits HF, Bakker CJ, Viergever MA. Placement of an inferior vena cava filter in a pig guided catheter-based interventions because of superior tissue visualization. Circulation. Author manuscript
Implantation of subcutaneous port systems is routinely performed in patients requiring repeated long-term infusion therapy. Ultrasound- and fluoroscopy-guided implantation under local anesthesia is broadly established in interventional radiology and has decreased the rate of complications compared to the surgical approach. In addition, interventional radiology offers the unique possibility of ...
Although catheters are an ideal therapeutic treatment for all patients who need hemodialysis, their placement, use may be followed by certain complications. We present a case of iliac vein lacerations in the projection of the tip of a femoral catheter for hemodialysis in a 55-year-old patient.
... Abstract : Ultrasound has been used to aid cannulation of veins of the neck, chest, antecubital fossa as well as the femoral vein. ...
A case of tension pneumothorax developed after placement of a tunneled pleural catheter for treatment of malignant pleural effusion in a patient with advanced lung cancer. The catheter placement was carried out by an experienced operator under direct ultrasound guidance, and the patient showed immediate symptomatic ...
... such as angioplasty and stent placement. ... can be demonstrated with imaging techniques, such as ... Our study represents the first direct evidence, to ...
... Death of lung tissue (pulmonary infarction) Lung or pleural cancer Placement of a central venous catheter Thoracic or heart surgery Tuberculosis
MedlinePLUS
BackgroundTotally implantable central venous access devices (intraports) are commonly used in cancer patients to administer chemotherapy or parenteral nutrition. Rupture of intraport is a rare complication.Patients and methodsDuring 3 years period, a total of 245 intraports were placed in cancer patients for chemotherapy. Four of these cases (two colon cancer and one each of ...
FIGURE 2. Catheter placement. A Stilleto catheter is positioned in the left ventricle of a pig heart. Once the catheter is in position against the anterior wall of the left ventricle, injection can proceed. Hung Ly, Yoshiaki Kawase, Ryuichi Yoneyama, and Roger J. Hajjar. Gene Therapy in the Treatment of Heart ...
NSDL National Science Digital Library
We describe percutaneous, translumbar placement of a 14-Fr dialysis catheter into an ascending lumbar vein to achieve tip position in an enlarged azygos vein. The patient had thrombosis of all traditional vascular sites, as well as the inferior vena cava. This catheter functioned well for 7 months before fatal ...
In acute respiratory distress syndrome (ARDS) with severe hypoxemia or respiratory acidosis, veno-venous extracorporeal membrane oxygenation (VV-ECMO) ensures oxygenation and decarboxylation. Commonly, simultaneous cannulation of jugular and femoral veins is used for VV-ECMO. A recently introduced dual-lumen cannula for VV-ECMO promises single vessel access through the right ...
Subclavian artery injuries after central venous catheter placement constitute a rare but potentially fatal complication. In this case series, the authors describe several endovascular treatment options in the management of iatrogenic subclavian arterial injuries resulting from inadvertent arterial placement of central ...
A stereotaxic apparatus for access to the lateral brain ventricle of Holstein cows was constructed. This apparatus permits topographic orientation on the head of an anesthetized cow that has been placed in right lateral recumbency. After assessing the XY-plane in parallel to the frontal bone, correct coordinates in reference to the skullcap were adjusted. The lateral brain ...
INTRODUCTION: A rare complication of ventriculoperitoneal shunt placement is the proximal migration of the distal catheter into the heart and pulmonary artery. There have been 12 reported cases regarding intracardiac migration. In five of the cases, the catheter traveled further into the pulmonary vasculature. CASE REPORT: The authors ...
Intravascular catheters and urinary catheters are the 2 most commonly inserted medical devices in the United States, and they are likewise the two most common causes of nosocomially acquired bloodstream infection. Biofilm formation on the surfaces of indwelling catheters is central to the pathogenesis of infection of both types of ...
Objective:Emergent umbilical venous catheter (UVC) placement for persistent bradycardia in the delivery room is a rare occurrence that requires significant skill and involves space constraints. Placement of an intraosseous needle (ION) in neonates has been well described. The ION is already used in the pediatric population and is ...
... Accession Number : AD0294794. Title : ON THE PLACEMENT OF THE TROPOPAUSE IN THE ANTARCTIC. Corporate ...
... Accession Number : ADD951726. Title : NODE PLACEMENT GUIDELINES FOR DISTRIBUTED GROUND SENSOR SYSTEMS,. ...
Tunneled hemodialysis catheters become essential in dialysis access when there is no possibility of using a functioning arteriovenous fistula. Collateral or occluded veins visible on ultrasound are used for puncture and passage of catheters into the central venous system. Chronically occluded veins are crossed with guidewires to allow ...
The design of a fibre Bragg grating based manometry catheter for in-vivo diagnostics in the human colon is presented. The design is based on a device initially developed for use in the oesophagus, but in this instance, longer sensing lengths and increased flexibility were required to facilitate colonoscopic placement of the device and to allow ...
Central venous catheterization is widely used in neonatology. Although ultrasonic guidance for central venous catheter placement is available, complications occur significantly more frequently in infants, especially neonates, than in adults. This study seeks to determine the characteristics, topographical conditions, regional relationships, and diameters ...
... has two chambers to allow a two-way flow of blood. Once a catheter is placed, needle insertion is not necessary. Catheters are not ideal for permanent access. They can clog, become infected, ...
Purpose:To document that with proper patient and procedure selection, children undergoing general inhalational anesthesia for ophthalmologic exams (with or without photos, ultrasound, laser treatment, peri-ocular injection of chemotherapy, suture removal, and/or replacement of ocular prosthesis) can be safely anesthetized without the use of an intravenous (IV) line. Children are rarely ...
We report the occurrence of an accidental pleural puncture by an epidural catheter that happened during the attempted induction of thoracic epidural anaesthesia using a paramedian approach in an awake patient. The incorrect placement of the catheter was recognised while the patient was undergoing thoracoscopic surgery. The possibility ...
BackgroundVascular access devices placed into the central venous system are used routinely in the medical management of many patients. Catheter tip occlusion is a common complication of open-ended catheters, causing difficulty with blood withdrawal and infusion. This study evaluated whether a valved subcutaneous port system would have ...
A 41-year-old woman, status postmastectomy for breast cancer had an attempted 8-F left subclavian vein chemotherapy port placed in her. She developed severe upper back pain radiating to the left shoulder. A computed tomographic scan and angiography revealed catheter placement in the left subclavian artery and a type B aortic dissection. A thoracic ...
The PRECISE study used convection enhanced delivery (CED) to infuse IL13-PE38QQR in patients with recurrent glioblastoma multiforme (GBM) and compared survival to Gliadel Wafers (GW). The objectives of this retrospective evaluation were to assess: (1) catheter positioning in relation to imaging features and (2) to examine the potential impact of catheter ...
Chronic jugular vein or central venous cannulation is routinely performed in human and animal patients for access to blood circulation. In mature swine, chronic catheter placement techniques have typically involved venous isolation via extensive cut-down, blunt dissection and manipulation of ventral neck tissues prior to ...
Purpose: We present the technique and the preliminary results of percutaneous implantation of intraarterial catheters connected to a subcutaneous infusion reservoir for prolonged regional chemotherapy of hepatic and extrahepatic tumors.Methods: Two hundred patients with primary or secondary hepatic neoplasms, pelvic, pancreatic, renal, lingual, and breast cancer underwent the ...
Despite efforts to curtail central vein catheter use for dialysis catheters are frequently used in the treatment of end-stage renal disease (ESRD). In 2006, 82% of patients in the USA initiated dialysis via a catheter. The overall of tunnelled cuffed catheter (TCC) use was 35% greater in 2005 compared with 1996. ...
The Sonic Flashlight is an ultrasound device that projects real-time ultrasound images into patients using a semi-reflective/transparent mirror. We evaluated the feasibility of using the Sonic Flashlight for clinical PICC placements, originally with the mirror located inside a sterile cover (15 patients), then with the mirror outside (11 patients). Successful ...
A neonate with meningitis required placement of several catheters for treatment. One catheter broke and a fragment embolized in the lobar branch of a pulmonary artery. This critical situation produced no symptoms and was successfully managed by percutaneous extraction from the femoral artery. Percutaneous central ...
Aim:? To describe an approach to facilitate ultrasound (US)-guided placement of peripheral nerve catheters in children. Background:? Continuous peripheral nerve blocks (CPNB) provide excellent surgical anesthesia and postoperative analgesia. However, catheters can be difficult to place, especially in children. Methods:? Ten US-guided ...
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 ...
A saline-jet aspiration thrombectomy (JAT) catheter was used in a patient with acute myocardial infarction. A right coronary arteriogram showed complete thrombotic occlusion at the proximal segment. With this catheter the thrombus was removed without complications in 5 sec. The patient underwent percutaneous transluminal coronary angioplasty and ...
Background and objectives: Tunneled dialysis catheters are prone to frequent malfunction and infection. Catheter thrombosis occurs despite prophylactic anticoagulant locks. Catheter thrombi may also serve as a nidus for catheter infection, thereby increasing the risk of bacteremia. Thus, heparin coating of ...
In cases in which the subclavian artery is severely tortuous or branches with an extremely angulated origin, stent placement in the vertebrobasilar artery on the approach from the femoral artery is often technically difficult. We report two cases in which a stent placement procedure for the vertebrobasilar artery was successfully performed by grasping a ...
... Accession Number : AD0671786. Title : A SIMPLE METHOD FOR PERCUTANEOUS INTRODUCTION OF CARDIAC CATHETERS,. ...
... Accession Number : AD0676884. Title : A REFINED THERMODILUTION CARDIAC OUTPUT CATHETER,. Corporate Author ...
Chronic central venous access is necessary for numerous life-saving therapies. Repeated access is complicated by thrombosis and occlusion of the major veins, such as the superior vena cava (SVC), which then require novel vascular approaches if therapy is to be continued. We present two cases of catheterization of the azygos system in the presence of an SVC ...
Studies concerning the role of fistula catheter intravascular length and placement relative to the fistula were completed in sheep. The work revealed improved performance resulting from insertion of catheters downstream from the fistula orifice and also t...
Purpose: To describe technical tips for recanalization of long-segment flush superior mesenteric artery (SMA) occlusions. Technique: Ultrasound-guided left brachial artery access was gained in 2 patients with a 7F 90-cm sheath being advanced to the supraceliac aorta. The SMA stump was visualized using a selective inferior mesenteric artery (IMA) catheterization via femoral ...
This study evaluated the safety, feasibility, and clinical utility of transhepatic drainage of inaccessible abdominal abscesses retrospectively under real-time computed tomographic (CT) guidance. For abdominal abscesses, 12 consecutive patients received percutaneous transhepatic drainage. Abscesses were considered inaccessible using the usual access route because they were ...
We present a case of the successful repair of an iatrogenic central vein lesion using a videothoracoscopic approach. The confluence of the right innominate vein and the superior vena cava was perforated during the placement of a right internal jugular vein long-term dialysis catheter. The misplacement of the tips of the catheter in the ...
Inaccurate positioning is a well-known and documented complication of central venous catheterization. Inadvertent placement of a central venous catheter into the right internal thoracic vein has been reported in the literature; however, the characteristic radiographic appearance for this complication has yet to be described. We report 3 cases that ...
Continuous plexus and peripheral nerve blocks offer the potential benefits of prolonged analgesia and faster functional recovery after surgery in pediatric patients. We report the feasibility of a new patient position and long-axis nerve scan with ultrasound (US) for controlling perineural catheter placement for continuous mid-femoral sciatic nerve block ...
In 17 patients receiving regional hepatic chemotherapy, /sup 99m/Tc macroaggregated albumin imaging was used to aid arterial catheter placement and to assess perfusion patterns. Intraoperative imaging with a portable gamma camera allowed immediate monitoring of hepatic and extrahepatic perfusion patterns and assisted catheter ...
A 66-year-old man underwent CT-guided drainage catheter placement within a pelvic abscess with a diameter of 46 mm. We performed the drainage by a transsacral approach because it was considered the safest and most feasible approach. An 8G bone marrow biopsy needle was used to penetrate the sacrum to create a path for subsequent drainage ...
...Identification. A ventricular catheter is a device used to gain access to the cavities of the brain for injection of material into, or removal of material from, the brain. (b) Classification. Class II (performance...
Context:There are different methods of continuous ambulatory peritoneal dialysis (CAPD) catheter placement. Open surgical technique is a widely followed method. The complication rate following catheter placement varies and catheter blockage due to omental plugging is one of the main ...
Long-term utilization of central venous catheters (CVCs) for parenteral nutrition has a high incidence of central venous complications including infections, occlusions, and stenosis. We report the case of a 31-year-old woman presenting with a malabsorption caused by short gut syndrome due to congenital aganglionic megacolon. The patient developed a chronic occlusion of all ...
Mar 2, 2011 ... It is used for examining fractures, placement of catheters, and in veterinary medicine. Its major components include an x-ray generator, ...
NASA Website
... Cardiopulmonary (n = 6) * � 2 females, 5 and 8 months old, with pre-existing cardiac conditions (Pompe's disease); placement of CV catheter ...
Center for Biologics Evaluation and Research (CBER)
injection of 2 percent Lidocaine solution using a 5 cm 27-gauge needle. A 16-18 gauge catheter placement unit with a plastic sheath was then ...
The specific objectives of this experiment are: to evaluate the rack mounted equipment and medical supplies necessary for medical procedures; to evaluate the attachments, mounting points, and inner drawer assemblies for the medical supplies; and to evalua...
This study was performed to evaluate the efficacy of low dose tPA for catheter salvage in cases of fibrin sheath formation in patients with venous access ports. Prospective evaluation was accomplished in patients who had venous ports with catheter malfunction. There were a total of 50 patients and 56 occlusive events.Each patient had a ...
Ventriculoperitoneal (VP) shunt is commonly and effectively used to treat hydrocephalus. Intracardiac migration of the shunt catheter is a rare complication. A 68-year-old woman underwent ventriculoperitoneal shunting for hydrocephalus secondary to subarachnoid hemorrhage due to anterior communicating artery aneurysm rupture. Two weeks after the shunt surgery, she had suffered ...
This report highlights the importance of using bedside ultrasound in the emergency department to confirm guide-wire placement when performing central venous catheter placement prior to dilating and cannulating the vessel.
... catheter. top of page What are the benefits vs. risks? Benefits A central catheter permits infusion of ... imaging tests and treatments vary widely across geographic regions. Many�but not all�imaging procedures are covered ...
A patient received an interscalene plexus catheter before shoulder surgery. After induction of general anesthesia catheter placement was performed with Winnie's technique and 5�ml of ropivacaine was injected via the catheter. In the recovery room slight dyspnea without wheezing was observed which improved ...
... Accession Number : ADA306020. Title : The Optimal Placement of Casualty Evacuation Assets: A Linear Programming Model. ...
... Accession Number : ADA306838. Title : Teacher and Teacher's Aide Placement Assistance Program (Troops to Teachers). ...
... Accession Number : ADA445754. Title : Sensor Placement for Effective Coverage and Surveillance in Distributed Sensor Networks. ...
... Accession Number : ADA532567. Title : Robust Sensor Placements at Informative and Communication-efficient Locations. ...
... Accession Number : ADA466370. Title : Placement of Conjugated Oligomers in an Alkanethiol Matrix by Scanned Probe Microscope Lithography. ...
... Accession Number : ADA316163. Title : Performance and Optimal Placement of Piezoceramic Actuators for Shape Control of a Cantilever Beam. ...
... Accession Number : AD0624661. Title : OPTICAL FLAT PLACEMENT ON ALMOST SPHERICAL GYRO ROTORS. Descriptive ...
... Accession Number : ADA409362. Title : Node Placement Guidelines for Distributed Ground Sensor Systems. Corporate ...
... Accession Number : ADP007768. Title : Microwave Heating for Fiber Placement Manufacturing of Carbon Fiber Composites,. ...
... Accession Number : ADA036499. Title : Ground Motion Transducer Placement System. Descriptive Note : Final rept.,. Corporate ...
BackgroundEpidural needle insertion is usually a blind technique where the rate of adverse events depends on the experience of the operator. A novel ultrasound method to guide epidural catheter insertion is described.MethodsAn ultrasound transducer (40 MHz, a ?6 dB fractional bandwidth of 50%) was placed into the hollow chamber of an 18-gauge Tuohy needle. The single crystal ...
BackgroundEpidural anesthesia is widely used to provide pain relief, whether for surgical anesthesia, postoperative analgesia, treatment of chronic pain, or to facilitate painless childbirth. In many cases, however, the epidural catheter is inserted blindly and the indwelling catheter position is almost always uncertain.MethodsIn this study, the ...
We describe a novel technique for cerebral embolic device placement with inadvertent entrapment and subsequent rescue in the endovascular treatment of innominate artery stenosis. A 62-year-old female presented with symptomatic right-sided subclavian steal syndrome. Single-site access for revascularization of critical innominate artery stenosis with ...
Arteriovenous fistulas (AVFs) are considered superior to arteriovenous grafts and catheters. Nevertheless, AVF prevalence in the United States remains under the established target. The complication rates and financial cost of vascular access continue to rise and disproportionately contribute to the burgeoning health care costs. The relationship between ...
ObjectiveWe describe a case series comprising the first clinical trial by intravenous (IV) team nurses using the Sonic Flashlight for ultrasound guidance of peripherally inserted central catheter (PICC) placement.MethodsTwo IV team nurses with more than 10 years experience placing PICCs and from 3�6 years experience with ultrasound (US) attempted to ...
Introduction. Intra-Arterial Hepatic Chemotherapy (IAHC) based on floxuridine (FUdR) infusion is an effective treatment for hepatic metastases from colorectal cancer. A percutaneously implanted intra-arterial device may overcome the surgical stress of the laparotomic placement allowing an increase in the number of patients treated by IAHC. The aim of the present study is the ...
Over the last decade, it has been increasingly recognized that recirculation is present to some extent in all dual-lumen dialysis catheters. In addition, despite the recognition that dual-lumen dialysis catheters are not ideal as long-term hemodialysis access, their use for this purpose has increased secondary to both poor vascular ...
The arterial catheter position of 500 courses of intra-arterial chemotherapy were monitored by intraarterially introduced Technetium-99m macroaggregated albumin (MAA) particles. Seventeen instances of abnormally positioned catheters (3.4%) were detected by MAA arterial perfusion (MAAAP). All these abnormally positioned catheters were ...
The purpose of this study was to assess the suitability of a percutaneously implantable catheter port system (PIPS)for repeated intraarterial locoregional chemotherapy (ILC) for cervical and endometrial carcinoma. In 30 patients with advanced, recurrent, or high-risk cervical (n 23) or endometrial(n = 7) carcinoma, PIPS for ILC was implanted via a femoral ...
ObjectiveWe assessed the outcomes of a simplified technique for the percutaneous placement of a hepatic artery port-catheter system for chemotherapy infusion in advanced hepatocellular carcinoma with portal vein invasion.Materials and MethodsFrom February 2003 to February 2008, percutaneous hepatic artery port-catheter insertion was ...
Urinary retention is a true urologic emergency. First-line treatment with a transurethral catheter can and will fail. SOF medics need a reliable and durable method to resolve this problem using a minimal amount of resources and time. Current SOF Medical Handbook guidance for the management of unsuccessful urethral catheterization is inadequate. This article and accompanying ...
We report a case of puncture of the thoracic duct during left subclavian vein catheterization on the intensive care unit. Computed tomography and measurement of the triglyceride levels in the aspirated fluid proved the inadvertent penetration of the guidewire into the thoracic duct. Early recognition of central line misplacement avoided serious complications. Inadvertent central venous ...
Peripherally inserted central catheters (PICCs) have become popular for a range of indications in both inpatient and outpatient settings. Though PICCs are generally safe, they can be associated with a variety of complications. We present here a case with embolic strokes due to inadvertent arterial placement of PICC, an uncommon but potentially ...
By convention, septicemia occurring from an infected vascular catheter is treated with antibiotics and removal of the catheter. This approach, used with surgically implanted long-term catheters would be expected to result in loss of the vascular access site. During a 57 month period, we treated 21 episodes of ...
Catheter-related bloodstream infections (CRBSIs) are recognized as an important and serious problem, especially in an intensive care unit (ICU), since they have far higher infection rates compared to those for other type of intravascular devices. However, in the operation room, there seems to be little concern among anesthesiologists regarding this problem. It is important for ...
The femoral vein is increasingly being used as a temporary route for dual-lumen hemodialysis catheter placement because it is thought to be safer than the internal jugular or subclavian vein sites. However, several factors preclude the wider use of indwelling femoral catheters for hemodialysis, including interference with ambulation ...
This paper describes a computer program to utilize electromagnetic tracking guidance during insertion of peripherally inserted central catheters. Placement of a Peripherally Inserted Central Catheter (PICC) line is a relatively simple, routine procedure in which a catheter is inserted into the veins of the lower ...
NASA Astrophysics Data System (ADS)
Venous anatomy frequently impairs placement of the left ventricular (LV) lead. In some cases, the wire will not advance into the vein and in others wire position is lost as the lead is advanced. This article describes how a commonly available goose neck snare is used to gain access to the distal end of the wire as it re-enters the coronary sinus retrograde ...