Nefrología : publicación oficial de la Sociedad Española Nefrologia
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Comparative Study
[Current peritoneal dialysis compared with haemodialysis: medium-term survival analysis of incident dialysis patients in the Canary Islands in recent years].
Important differences in patient survival exist between peritoneal dialysis (PD) and haemodialysis (HD). Several different studies have shown that PD yields a better survival rate than HD in the first and second years of treatment, especially in younger patients and non-diabetic patients with low comorbidity, whereas HD produces better results in diabetic patients, elderly patients, and in patients with greater comorbidity. In recent years, interesting changes have occurred in PD units in the Canary Islands, such as the introduction of peritoneal dialysis solutions with bicarbonate dialysate and low content of glucose degradation products, extended use of automated dialysis, and continuity of physicians and nurses in PD units, in addition to enhancing visits for advanced chronic kidney disease (ACKD). ⋯ In the Canary Islands, PD has demonstrated survival advantages over HD in the short and medium term. It is remarkable that this benefit was found in young and old patients, men and women, and diabetic and non-diabetic patients, and that this advantage was maintained even after years of being on dialysis.
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Metformin is an antihyperglycemic agent commonly used in diabetic patients. It is very effective and is able to reduce the plasma glucose and HbA1C. However, in some patients, specially those with comorbidities, metformin can provoke severe lactic acidosis with high morbimortality. Treatment of the lactic acidosis induced by metformin is based on the use of supportive general measures; in severe cases, procedures of extrarrenal purification like hemodialysis or continuous hemodiafiltration have been successfully used.
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Letter Case Reports
Methanol poisoning. Evolution of blood levels with high-flux haemodialysis.