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  • Title: [Indications and methods for kidney sonography and isotope renography in pregnancy].
    Author: Fischer W, Brunk A, Hawlitschek R, Lamm D, Prenzlau P.
    Journal: Zentralbl Gynakol; 1984; 106(14):973-80. PubMed ID: 6391034.
    Abstract:
    Ultrasonographic determination of the renal parenchyma/pyelon index (PPI) and semi-quantitative ING evaluation with complementary consideration of the passage value, following re-positioning, were applied to 114 pregnant women, among them 57 without and another 57 with diseases, as well as to twelve puerperae and 14 gynaecological patients (control group) for the purpose of objectivating urinary stasis in pregnancy. No significant differences were found to exist with regard to PPI and ING parameters in normal early pregnancy between the pregnant probands, on the one hand, and the non-pregnant control group, on the other. However, a significant delay occurred to the activity maximum on the right side in the second trimenon and also on the left side in the third trimenon, yet, without ultrasonographically recordable adequate enlargement of the renal pelvis. Additional delays in maximum activity and half-life of curve decline as well as drop in PPI parameters were recorded (but not statistically secured), primarily on the right side, from pathologically affected pregnant patients (acute pyelonephritis, asymptomatic bacteriuria, gestosis). Pyelon enlargement (PPI decline) in pathologically affected pregnant patients differed from that in clinically intact patients in the third trimenon only in cases of acute pyelonephritis (22 patients). A correlation was established between PPI decline and ING passage data above 70 per cent in 50 per cent of these cases.(ABSTRACT TRUNCATED AT 250 WORDS)
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