Haemodialysis patients had a significantly low intake in vitamin K1, which could contribute to increase the risk of bone fractures and vascular calcifications. Since the deficiency of vitamin K intake seems to be remarkable, dietary counselling to HD patients should also address the adequacy of vitamin K dietary intake and bioavailability. Whether diets with higher amounts of vitamin K1 or vitamin K supplementation can improve clinical outcomes in dialysis patients remains to be demonstrated.
CT and MRI can provide information regarding the degree of vascular impairment, helping to stratify patients into those who can have PTA (single or multiple stenoses) versus those who require an operative procedure (occlusion). Conventional angiography can be reserved for candidates for percutaneous intervention.
Background Peritoneal catheter displacement appears to be related to various causes including omental attachment, bowel contractions, peritoneal adhesions, and the catheter floating in the dialysis fluid. In order to prevent this complication, which can impair peritoneal dialysis efficacy, Di Paolo et al. designed a “self-locating catheter” (SLC) that is similar to the Tenckhoff catheter (TC) and includes a small tungsten cylinder (weight 12 g) at the distal end (Di Paolo N, et al. The self positioning catheter. Proceedings of the VII Italian Congress on Peritoneal Dialysis. Milan: Wichtig Editore, 1993:539–42). The weight of the tip prevents the catheter from floating and migrating by gravitation toward the Douglas cavity. Objective Starting in 1996, we implanted SLC in 15 continuous ambulatory peritoneal dialysis patients. The aim of our study was to compare the ratio of migration and other catheter-related complications between patients with SLC (196 patient-months) and 13 patients with conventional straight TC (295 patient-months). Results Peritonitis ratio, catheter complication rate, dialysate inflow and outflow, and weekly creatinine clearance were similar in the two groups of patients. The incidence of catheter displacement was significantly higher ( p = 0.0349) in the TC group than in the SLC group (4 vs 0). Conclusion In our experience, the SLC seems to be useful in preventing catheter migration by continuous gravitation of its extremity toward the pelvic cavity.
The lipoprotein abnormalities observed in hypertriglyceridaemic patients undergoing haemodialysis have recently been associated with an increased incidence of vascular complications and may in part explain the high incidence of vascular disease reported in these subjects.
The administration of calcium channel antagonists to renal-risk patients during surgery and immediately before and after it has failed to prevent the onset of postoperative ARF. Nevertheless this procedure has been shown to somehow reduce surgery-mediated lesions of the tubule cells, as demonstrated by the finding of elevated urinary enzymes only in the untreated group.
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