Vascular access for acute haemodialysis was required on 29 occasions in 26 children over a six year period. Comparison was made of the forms of vascular access employed, these being the Scribner shunt, the Hickman line, and percutaneous polyvinylchloride cannulae. The Hickman catheter was used to provide vascular access in 17 patients (mean age 8.8 years (range 2.5-16 years) and mean weight 25....

this is a comprehensive review of the recent progresses made in the field of zeolite membranes. it describes zeolitic materials and methods of membrane fabrication, followed by a summary of applications for gas separation, pervaporation and separation of liquid mixtures. special attention is called to polymer mixed matrix membranes (mmms) and membranes based on metal organic frame works (mofs)....

Double-lumen tubes have proved to be a useful adjunct in thoracic surgery. Their use has become quite commonplace, particularly since the introduction of the softer polyvinylchloride (PVC) tubes, which are technically easier to use and may carry less risk for serious complications. Any such tube, however, can cause life-threatening complications. We present a case with such a complication relat...

Although the deliberate therapeutic dilatation of arteriosclerotic plaques was described more than 15 years ago, clinical acceptance of the technique has been slow [1]. Since Gruntzig and Hopff [2] developed a tough, reliable, and easy to use polyvinylchloride balloon catheter, however, the applicability of the technique has been extended beyond the dilatation of the iliac, femoral , and renal ...