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Incidence of analgesic nephropathy among patients undergoing renal replacement therapy in Czech republic and Slovak republic
Authors:Matousovic, K.   Elseviers, M. M.   Devecka, D.   Horackova, M.   Turek, T.   De Broe, M. E.   the Group of Czech  Slovak Nephrologists,
Affiliation:1Department of Nephrology of Institute for Clinical and Experimental Medicine Prague 2Department of Nephrology of Universitair Ziekenhuis Antwerpen Antwerpen 3Department of Nephrology of Liptovsk"y" Mikulà"s" 4Department of Nephrology of School of Medicine III of Charles University Prague
Abstract:BACKGROUND.: The occurrence of analgesic nephropathy (AN) among renal replacementtherapy patients in former Czechoslovakia is not known. Previoussurveys were not based on representative samples and lackeduniform criteria for diagnosing the disease. METHODS.: Incidence of AN in former Czechoslovakia was investigated inpatients commencing renal replacement therapy in 24 (1/3 ofall) dialysis centres from 1 January to 31 December 1992. Patientsshowing an unclear renal diagnosis (n=149) were investigatedwith an interview and renal imaging techniques. The diagnosisof AN was withheld or rejected on the base of recently publisheddiagnostic criteria demonstrating that a decreased renal massof both kidneys combined with bumpy contours and/or papillarycalcifications had a high performance for diagnosing AN (NephrolDial Transplant 1992; 7: 479–486). RESULTS.: Based on the renal imaging criteria, AN was diagnosed in 30of 328 registered patients, resulting in an AN incidence of9.1% while the EDTA data only mentioned an incidence of 4.8%(period 1986–1989). The products most commonly abusedwere analgesic mixtures containing two analgesic substancescombined with caffeine and/or codeine. CONCLUSIONS.: AN was found to be a common disease in the Czech and SlovakRepublics. The disease was diagnosed using reliable renal imagingcriteria.
Keywords:analgesic nephropathy   diagnostic criteria   incidence
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