KHELLAF, GhaliaProf. Ag. Ghalia KHELLAFSenior lecturer in nephrology, nephrologist of the CHU Algiers.Pr. Ag. Mourad LAHMARSenior Lecturer in Anaesthesia-Resuscitation, Head of Anaesthesia-Resuscitation at the Centre for the Fight against Cancer, Batna (Algeria).Pr. Ag. Soumia MISSOUMSenior Lecturer in Nephrology, Head of Nephrology at the CHU Batna (Algeria).