Abstract Background Renal replacement therapy (RRT) is usually indicated for patients with chronic kidney disease (CKD) with glomerular filtration rate below 10 ml/ml/min/1. 73m2. However. the need for RRT and timing of dialysis initiation are debatable for patients aged 70 years or older. https://allfixelectricales.shop/product-category/dual-inlet-4-way-water-valve/