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Fabrication of heparinized small diameter TPU/PCL bi-layered artificial blood vessels and in vivo assessment in a rabbit carotid artery replacement model.
Biomater Adv
February 2022
School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China. Electronic address:
Increasingly growing problems in vascular access for long-term hemodialysis lead to a considerable demand for synthetic small diameter vascular prostheses, which usually suffer from some drawbacks and are associated to high failure rates. Incorporating the concept of in situ tissue engineering (TE) into synthetic small diameter blood vessels, for example, thermoplastic poly(ether urethane) (TPU) ones, could provide an alternative approach for vascular access that profits from the advantages of excellent mechanical properties of synthetic polymer materials (early cannulation) and unique biointegration regeneration of autologous neovascular tissues (long-term fistulae). In this study, a kind of heparinized small diameter (d = 2.
View Article and Find Full Text PDFSexual dysfunction in dialytic patients. A prospective cross-sectional observational study in two hemodialysis centers.
Arch Ital Urol Androl
June 2021
Department of Surgical, Oncological and Oral Sciences, Section of Urology, University of Palermo.
Objectives: Incidence and prevalence of patients in dialytic therapy increased considerably in recent years. The onset of new issues, once overshadowed, linked to a lower quality of life like sexual dysfunction became increasingly common. The first study in this area, dating back to the 1970s, shows the high prevalence of sexual dysfunction among patients in dialytic therapy of both sexes.
View Article and Find Full Text PDFTherapeutic possibilities of techniques of extracorporeal blood circulation in oncology.
Med Hypotheses
January 2012
Department of Radiotherapy, Fondazione IRCCS National Institute for the Study and Treatment of Tumors, Milan, Italy.
Malignant tumors in an advanced phase of diffusion have a very poor prognosis. However, there are conditions in the body which may impede, even if only partially, further spread of the disease. In addition to currently available treatments, other favorable conditions can help to improve the prognosis, even if only relatively, such as the presence of inhibitors of metalloproteinases, antiangiogenic factors, the absence of particular proteins that favor tumor development, and the possibility of positively activating the immune system.
View Article and Find Full Text PDF[Permanent vascular catheters for extracorporeal dialysis. Preliminary study: Canaud and Tesio catheters].
Minerva Urol Nefrol
March 1998
Unità Operativa Autonoma di Nefrologia, USL 8 Ospedale Maggiore, Chieri, Torino.
The use of alternative permanent vascular accesses has recently become increasingly common. The possibility of using the catheterization of central venous vessels has therefore been taken into consideration, in particular the internal jugular vein. During an observation period of 32 months the catheterization of the internal jugular vein (IJV) was used as a definitive access in 34 patients (12 M, 22 F; mean age 67.
View Article and Find Full Text PDFCarnitine and lipid profile in uremia.
Clin Ter
November 1997
Division of Nephrology, University of Messina.
Several authors have supplemented patients submitted to the hemodialytic treatment with L-carnitine, with the aim to affect the lipid profile often unfavourably altered in these patients. Different doses of the compound have been employed and the outcome in plasma lipid changes is very dissimilar. Some authors have reported favourable changes, some have not observed any effect, some have reported a worsening of the lipids profile.
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