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The value of parenchymal transit time index of Tc-99m DTPA diuretic renography in the evaluation of surgery in chronic bilharzial obstructive uropathy. 1991

R H Bahar, and K Kouris, and M Sabha, and F M Abu Zidan, and M Awdeh, and H M Abdel-Dayem
Department of Nuclear Medicine, Faculty of Medicine and Ministry of Public Health, Kuwait.

Selection of patients with chronic bilharzial uropathy (CBU) for surgery is a difficult problem due to the presence of grossly dilated urinary tracts without a significant obstruction in most of the cases. In this prospective study of 40 patients with CBU, the time-activity curve (TAC) patterns of the pre- and postoperative Tc-99m DTPA diuretic renography (RDR) studies were compared with the corresponding parenchymal transit time indices (PTTI). The aims were to find out which of these renographic parameters was more accurate in identifying obstruction and which was better in predicting the outcome of surgery. PTTI was more sensitive than TAC in identifying obstruction (96% and 92%, respectively) but it was less specific (78% and 98%). The detection accuracy of RDR for obstruction using TAC patterns was 96% compared to 84% using PTTI. Being independent of renal uptake function, PTTI could not predict the outcome of surgery as TAC could. In contrast to PTTI, TAC patterns could differentiate obstructed kidneys from severely nephropathic kidneys. However, PTTI was useful in identifying kidneys with residual nephropathy.

UI MeSH Term Description Entries
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011184 Postoperative Period The period following a surgical operation. Period, Postoperative,Periods, Postoperative,Postoperative Periods
D011446 Prospective Studies Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group. Prospective Study,Studies, Prospective,Study, Prospective
D011866 Radioisotope Renography Graphic tracing over a time period of radioactivity measured externally over the kidneys following intravenous injection of a radionuclide which is taken up and excreted by the kidneys. Renography,Radioisotope Renographies,Renographies,Renographies, Radioisotope,Renography, Radioisotope
D002908 Chronic Disease Diseases which have one or more of the following characteristics: they are permanent, leave residual disability, are caused by nonreversible pathological alteration, require special training of the patient for rehabilitation, or may be expected to require a long period of supervision, observation, or care (Dictionary of Health Services Management, 2d ed). For epidemiological studies chronic disease often includes HEART DISEASES; STROKE; CANCER; and diabetes (DIABETES MELLITUS, TYPE 2). Chronic Condition,Chronic Illness,Chronically Ill,Chronic Conditions,Chronic Diseases,Chronic Illnesses,Condition, Chronic,Disease, Chronic,Illness, Chronic
D005544 Forecasting The prediction or projection of the nature of future problems or existing conditions based upon the extrapolation or interpretation of existing scientific data or by the application of scientific methodology. Futurology,Projections and Predictions,Future,Predictions and Projections
D005665 Furosemide A benzoic-sulfonamide-furan. It is a diuretic with fast onset and short duration that is used for EDEMA and chronic RENAL INSUFFICIENCY. Frusemide,Fursemide,Errolon,Frusemid,Furanthril,Furantral,Furosemide Monohydrochloride,Furosemide Monosodium Salt,Fusid,Lasix
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D012553 Schistosomiasis haematobia A human disease caused by the infection of parasitic worms SCHISTOSOMA HAEMATOBIUM. It is endemic in AFRICA and parts of the MIDDLE EAST. Tissue damages most often occur in the URINARY TRACT, specifically the URINARY BLADDER. Schistosomiasis, Urinary,Schistosoma haematobia Infection,Schistosomiasis haematobium,Urinary Schistosomiasis,Urogenital Schistosomiasis,Infection, Schistosoma haematobia,Infections, Schistosoma haematobia,Schistosoma haematobia Infections,Schistosomiases, Urinary,Schistosomiases, Urogenital,Schistosomiasis, Urogenital,Urinary Schistosomiases,Urogenital Schistosomiases

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