Holistic Approach to the Geriatric Patient: Geriatric Evaluation.- Incidence of Renal Diseases in an Acute Geriatric Unit.- Anatomical Changes in the Aging Kidney.- Biology of the Aging Process and Its Clinical Consequences.- Physiology of the Healthy Aging Kidney.- The Mechanisms of Age-Associated Glomerular Sclerosis.- Endothelial Function in the Healthy Aged.- Renal Handling of Water and Electrolytes in the Old and Old-Old Healthy Aged.- Renal Handling of Uric Acid, Magnesium,Phosphorus, Calcium, and Acid Base in the Elderly.- Dysnatremias: Diagnosis and Treatment.- Hypertension in the Elderly.- The Renin-Angiotensin System and the Aging Process.- Prevention of Chronic Renal Diseases in the Elderly.- Obstructive Uropathy and Benign Prostatic Hyperplasia.- Urinary Tract Infection.- Incontinence in the Elderly.- The Diagnosis of Renal Diseases in Elderly Patients. What Role Is There for Biopsy?.- Diabetic Nephropathy.- Renal Cystic Disease in the Elderly.- Renal Vasculitis in the Elderly.- Acute Renal Failure in the Aged.- Multiorganic Dysfunction Syndrome in the Elderly Critically Ill Patient.- Etiology, Diagnosis, and Management of Chronic Renal Insufficiency in the Aged.- Substitutive Treatments of End-Stage Renal Diseases in the Elderly: Dialysis.- Substitutive Treatments of End-Stage Renal Diseases in the Elderly: Renal Transplantation.- Pharmacokinetics in the Geriatric Population.- Quality of Life in Elderly Patients with Renal Failure.- Ethical Dilemmas in Geriatric Uremia Therapy.