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At least 685 records · Page 38Linked to original sources
PubMed2000

Simple method of hemostasis in implantation and explantation of HeartMate left ventricular assist device.

We described a simple method of hemostasis in implantation and explantation of HeartMate left ventricular assist device. Wrapping of the inflow cannula, outflow conduit and outflow graft with Vascutek tube graft can localize the bleeding due to patient's coagulopathy, imperfect coating and device defect. During explantation, bivalving the tube graft, leaving the graft in place and no-touch of the adhesion between graft and soft tissue can minimize the dissection and prevent the potential bleeding.

Adult↗
PubMed2002

Laparoscopic retrieval of perforated intrauterine devices at University Hospital, Jamaica.

Four intraabdominal, copper, T-shaped intrauterine devices (IUDs) were retrieved laparoscopically after the rare complication of complete perforation of the uterine wall. After the IUDs were located by ultrasound and radiographs, laparoscopy was performed under general anesthesia. The devices were easily located and all procedures were uncomplicated. In two cases anterior wall perforations with adhesion formation around the device were seen in the region of the uterovesical fold. Two IUDs were found adjacent to bowel, one in pararectal fat. Three surgeries were performed as day cases; the fourth patient, a diabetic, was kept for observation for 1 day.

Adult↗
PubMed2003

Role of circulating neurotoxins in the pathogenesis of hepatic encephalopathy: potential for improvement following their removal by liver assist devices.

Both acute and chronic liver failure result in impaired cerebral function known as hepatic encephalopathy (HE). Evidence suggests that HE is the consequence of the accumulation in brain of neurotoxic and/or neuroactive substance including ammonia, manganese, aromatic amino acids, mercaptans, phenols, short-chain fatty acids, bilirubin and a variety of neuroactive medications prescribed as sedatives to patients with liver failure. Brain ammonia concentrations may attain levels in excess of 2 mm, concentrations which are known to adversely affect both excitatory and inhibitory neurotransmission as well as brain energy metabolism. Manganese exerts toxic effects on dopaminergic neurones. Prevention and treatment of HE continues to rely heavily on the reduction of circulating ammonia either by reduction of gut production using lactulose or antibiotics or by increasing its metabolism using L-ornithine-L-aspartate. No specific therapies have so far been designed to reduce circulating concentrations of other toxins. Liver assist devices offer a potential new approach to the reduction of circulating neurotoxins generated in liver failure. In this regard, the Molecular Adsorbents Recirculating System (MARS) appears to offer distinct advantages over hepatocyte-based systems.

Hepatic Encephalopathy↗
PubMedDate not supplied

Heparin removal in an autotransfusor device.

In order to determine the residual heparin in the supernatant fluid recovered from blood washed with increasing amounts of solution in the Haemonetics Cell Saver, various modifications of Grann's polybrene neutralization test applied. It is suggested that each 450 to 500 ml of recovered heparinized blood be washed with a minimum of 500 ml of saline, although 700 ml is advisable. The red color from hemolyzed erythrocytes may clear while unacceptably high levels of heparin remain.

Blood Transfusion, Autologous↗
PubMed2002

The 'tail' of a missing intrauterine contraceptive device.

This case presents a cautionary tale demonstrating the importance of skilled ultrasonography for the correct location of an intrauterine device (IUD) lying within the uterine cavity where the threads are 'lost'. Accurate ultrasound examination can ensure the avoidance of unnecessary x-rays or surgery. The case also acts as a reminder that a missing thread of an IUD does not imply that the device is misplaced.

Device Removal↗