[Kidney biopsy in Mantua: 2000-2009 report]. / Biopsie renali a Mantova: report 2000-2009.

The aim of this study was to report the frequency of kidney diseases related to gender, age, clinical presentation and renal function at the time of kidney biopsy in the population of Mantua province (400,000 residents). We collected the results of 132 real-time ultrasound-guided fine-needle (18 G) kidney biopsies by optical and immunofluorescence microscopy. The clinical presentation at the time of biopsy was nephrotic syndrome in 57%, nephritic syndrome in 22%, and urinary abnormalities in 21% of cases. Serum creatinine was >-1.5 mg/dL in 48% of patients. Membranous nephropathy was the most frequent histological finding (21.4%), followed by IgA nephropathy (14.5%), focal glomerulosclerosis (11.5%), diabetic nephropathy (8.4%), and chronic interstitial nephritis (6.9%). Primary glomerulonephritis including membranous glomerulonephritis and IgA nephropathy showed a male predominance. The pathological correlations in native biopsy-proven renal disease provided useful information for clinical practice. The histological findings in our patient series are similar to those recorded in Italian and European registries. A less invasive policy in the case of isolated urinary abnormalities and a normal eGFR resulted in a lower incidence of IgA nephropathy in our series than was recorded in the national Italian registry.

[Production and control of water quality for hemodialysis]. / Produzione e controllo della qualita' dell'acqua per emodialisi.

Certain substances present in drinking water can harm hemodialysis patients if they are not removed before the preparation of the dialysate. An optimal water treatment system includes tap water pretreatment and a double reverse osmosis process. Every component, including the delivery of the treated water to the dialysis machines, contributes to preventing chemical and microbiological contamination. Quality standards for dialysis water do not differ from those for intravenous drug safety and the progress toward the goals depends on practical solutions to important issues, including how the standard is to be applied and whether it should be limited to substances with well-documented toxicity in hemodialysis patients, and how microbiological contaminants should be handled. Meeting the standards for the new dialysis methods and membranes requires protocols for the development of a facility-specific quality management system to ensure dialysate quality based on the validation of system performance coupled with routine monitoring and periodic revalidation.

[Chronic kidney disease in the province of Mantua and its developments over the last 40 years]. / Evoluzione della malattia renale cronica nella provincia di Mantova in 40 anni.

The incidence and prevalence of end-stage renal disease increased steadily for 35 years in the population of Italy's Mantua province until the end of 2007, when they started to decrease. We describe the results of providing information and raising awareness among residents of the province's capital, Mantua, and of direct teaching and short training courses in hospital wards for general practitioners over a period of 3 years. During this period there was also more consultation activity for all kidney outpatients, from the first to the last stages of chronic kidney disease. Clinical data collected by the local NHS section (ASL) showed an increase in age and comorbidities (mainly type 2 diabetes) in kidney patients. As a result of the preventive measures, there has been an effective reduction of the yearly incidence and prevalence for all kinds of treatment, with the exception of kidney transplants, which have increased progressively during the last years.