Analyses physicochimiques des eaux d'hémodialyse du chu de Sétif

Abstract

Hemodialysis water is a vital element in extracorporeal treatment, the quality of this water is of prime importance because it is indirectly in contact with the patient's blood. It is therefore important and vital that this water is treated by checking the absence of contamination. The treatment of this water must be efficient and reliable to provide water that guarantees the safety of hemodialysis patients. Knowing that poor quality hemodialysis water can be responsible for complications that can sometimes be very serious, involving the vital prognosis of hemodialysis patients, we have taken an interest in the quality of the dilution water of concentrated hemodialysis solutions in the hemodialysis unit of the Setif University Hospital, by carrying out physicochemical analyses. After having studied the hemodialysis water treatment plant, we focused on the evaluation of their qualities without forgetting the treatment plant’s supply water quality, on which we carried out as far as possible the same analysis. This also allowed us to evaluate the performance of the water treatment plant with concerning ions elimination. Analyses were carried out on these samples (feed water and hemodialysis water) by measuring the following physicochemical parameters: pH, electrical conductivity (EC), single alkalinity (Ta), full alkalinity (Tac), total hardness, calcium (Ca2+), magnesium (Mg2+), chlorides (Cl-), acidity limit test, alkalinity limit test, and substance oxidative limit test. According to the results of the analyses carried out, it can be said concerning the substances analyzed, the water produced at the Setif University Hospital has a quality that meets the standards set by Algerian regulations and/or the European Pharmacopoeia, and therefore does not present any danger to the health of the hemodialysis patients. Finally, and knowing that according to Algerian, European, and even international regulations, the establishment pharmacist is the only person responsible for evaluating water produced at the hemodialysis unit quality. It is highly recommended that regular controls - according to official recommendations of Health Ministry - be carried out by of the establishment pharmacists in order to analyze, interpret and validate the physicochemical and microbiological quality produced water. These controls will reduce the risk of adverse effects and potential complications associated with the use of poor-quality hemodialysis water.