OBJECTIVE: Not all hospitals in our country have their own nuclear medicine laboratory. Most small and medium size hospitals must arrange their radioisotope studies with private clinics. The objective of this study was to assess if a single @entity9409 scan performed after an @entity697 in a group of @entity1 chosen according to certain risk criteria would allow the selection of those who run the risk of progressive @entity8 . @entity1 AND METHODS: A descriptive and retrospective study of the clinical records of 65 @entity1 under 14 years of age with @entity293 ( @entity293 ) seen at our institution between 1994 and 1995 and on whom a @entity9409 scan had been performed was carried out. The study groups was formed by the fifteen @entity1 with scintigraphic findings compatible with @entity8 . The fifty @entity1 with normal @entity9409 scans were used as controls. RESULTS: Renal scarring was found more often in @entity1 over one year of age (p < 0.05), in those with reinfections (p < 0.001) and in those kidneys with grade III @entity3025 ( @entity3025 , p < 0.05). The most severe lesions, with reduction of renal size, shape abnormalities and diminished uptake of the tracer were found together with @entity3025 . The renal sonogram performed during the acute stage of the @entity293 was able to detect only four of the six @entity1 most severely affected. CONCLUSIONS: Delaying the practice of the @entity9409 scan until 6 months after the last episode of @entity793 would allow selection of those @entity1 at the highest risk of progressive @entity8 . This guideline would reduce scintigraphic studies 30 to 90%, since it would avoid repeated studies in those @entity1 with abnormal findings in the acute stage. The practice of the radioisotope study only in a reduced subset of @entity1 selected on the basis of risk criteria such as recurrent @entity293 , @entity3025 or suspected @entity2885 does not allow detection of all scars.

[The utility of gammagraphy with Tc 99-labelled XXXX ( @entity9409 ) in the protocol for studying @entity293 in a 2nd-level hospital].

@entity1 :: ('9606', 'Species') :: ['children', 'patients', 'PATIENTS'] @entity8 :: ('MESH:D007674', 'Disease') :: ['renal damage', 'renal scarring'] @entity697 :: ('MESH:D000208', 'Disease') :: ['acute infection'] @entity9409 :: ('MESH:D004113', 'Chemical') :: ['DMSA'] @entity3025 :: ('MESH:D014718', 'Disease') :: ['vesicoureteral reflux', 'VUR'] @entity793 :: ('MESH:D001437', 'Disease') :: ['bacteriuria'] @entity2885 :: ('MESH:D011704', 'Disease') :: ['pyelonephritis'] @entity293 :: ('MESH:D014552', 'Disease') :: ['urinary tract infection', 'UTI']
@entity9409 :: (MESH:D004113,Chemical) :: ['dimercaptosuccinic acid']
