The rate of renal disease among patients with HIV has decreased significantly since the introduction of highly active antiretroviral therapy (HAART). Patients receiving tenofovir, disoproxil, fumarate (TDF) had an increased prevalence of proximal renal tubular dysfunction and injury but its clinical significance remain controversial. To difine the renal tubulopathy injury among patients with HIV with and without TDF. A cross-sectional study was conducted among HIV positive patients receiving TDF (N= 176) and non TDF regimen (N= 146) at outpatient clinic. All patients were evaluated regarding serum creatinine, electrolytes, phosphate and differing urinary parameters (proteinuria, glycosuria and pyuria). Estimated glomerular filtration rate (GFR) was calculated using CKD-EPI equation. Of 322 participants with mean age of 41.6+-11.4 years and HIV duration of 7.2+-4.3 years, the TDF and non TDF groups were similar on most clinical and demographic factors. GFR was 100.6+- 17.8 mL/min/1.73 m2 in TDF group and 97.5+- 19.6 mL/min/1.73 m2 in non-TDF group (p= 0.143). During evaluation, 3.4% of TDF patients vs. none of the non TDF-patients had hypophosphataemia (< 2.5 mg/dL), 3.9% of TDF-patients vs. 1.3% of non TDF had hypokalemia (< 3.5 mg/dL), and 0.68% of TDF-patients vs. none of non TDF patients had acidosis (< 18 mEq/L) with no statistically significant difference between groups. The proportion of patients with evidence of urine abnormalities was also similar in the two groups (Dipstick proteinuria > 1+, TDF: 17.6% vs. non-TDF 20.5%, p= 0.568, and pyuria; TDF: 27.3% vs. non TDF 20.5%, p= 0.192). Renal impairment, electrolyte disturbances and renal tubulopathy were uncommon among HIV positive patients receiving TDF-based antiretroviral therapy and did not significantly differ between TDF and non TDF regimens
Background: Hyperkalemia is common among end-stage renal disease (ESRD) patients, and consequently contributes to an increased risk of cardiac arrhythmia. Senna glycoside may decrease colonic transit time and potassium colonic reabsorption. Methods: Patients on hemodialysis were randomized to receive either oral senna glycoside (n = 37) or control (n = 36) for 8 weeks. The primary outcomes were predialysis serum potassium and prevalence of hyperkalemia.Results: At the end of the study, significantly reduced serum potassium concentrations were observed in the senna glycoside compared with the control (À0.32 [95%CI À0.43, À0.04] vs. À0.02 [95%CI À0.12, 0.05] mEq/L, p < 0.001, respectively). The prevalence of hyperkalemia during the study occurred at 13.8% in the control and 5.4% in the senna glycoside (p = 0.309). No serious adverse events were observed. Conclusion: Among patients with ESRD on hemodialysis, senna glycoside significantly decreases serum potassium level. Senna glycoside is a safe and possibly effective alternative treatment for hyperkalemia in ESRD.
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