It has been suggested that salt loading protects against amphotericin B-induced nephrotoxicity. The influence of saline loading on the nephrotoxic response to amphotericin B (50 mg/dose given i.v. over 4 hr 3 X/week for 10 weeks) was assessed in two groups of ten patients each who were diagnosed with mucocutaneous leishmaniasis. Patients were randomized to receive either 1 liter of 0.9% saline or 1 liter of 5% dextrose in water, administered i.v. over one hour in a double-blinded manner, directly prior to amphotericin B administration. Renal function was monitored on a weekly basis two days after the last dose of amphotericin B. Baseline characteristics were similar in both groups except for a slightly higher serum creatinine concentration (Cr) in the saline group (0.8 +/- 0.05 vs. 0.6 +/- 0.04 mg/dl). Baseline sodium (Na) excretion was relatively high (262 +/- 23 mmol/day in the dextrose group and 224 +/- 17 mmol/day in the saline group). None of the patients sustained an increase in Cr to values greater than 1.7 mg/dl. Although mean Cr remained within normal, there was a significant difference between the two groups over the ten week period, with the dextrose group sustaining a significant increase in Cr and the saline group remaining unchanged. Serum potassium (K) levels fell in both groups necessitating oral K supplementation. The saline group required significantly greater amounts of K supplementation to maintain a normal serum K. Amphotericin B caused a rapid reduction in the acidification ability of the kidney in response to an ammonium chloride load. Under these conditions, the saline group had a poorer ability to acidify the urine.(ABSTRACT TRUNCATED AT 250 WORDS)
The salivary urea test has a great capacity to discriminate patients with chronic kidney disease from healthy people, and it was shown that the best cutoff point is 40 mg/dL.
Introduction: Although experience within Peru suggests clinical and physiological benefits of treating dehydration caused by diarrhoea with Lactated Ringer's solution (LR) over sodium chloride 0.9%, (NaCl) there is little documented scientific evidence supporting this view. It is important to clarify this issue and determine the best solution for use during epidemics. Methodology: Forty patients suffering from dehydration due to choleriform diarrhoea were enrolled in the study. Twenty patients were treated using NaCl (Group A) and the other twenty with LR (Group B). After diuresis recovery was achieved, the patients were continued on a course of oral rehydration salts. Serum electrolytes, arterial pH, HCO 3
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