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  • Title: [The morphofunctional parallels in arterial hypertension in patients with chronic glomerulonephritis].
    Author: Riabov SI, Gadaev A, Kotovoĭ IuO, Kucher AG, Degtereva OA, Kaiukov IG.
    Journal: Ter Arkh; 1992; 64(4):73-5. PubMed ID: 1440315.
    Abstract:
    A study was made of the structural rearrangement of renal tissues in intravital nephrobiopsy specimens and of the functioning of the renin-angiotensin-aldosterone system and kallikrein-synthetic function in patients with mesangioproliferative (MSPGN) and membranous proliferative glomerulonephritis (MPGN). The morphological changes were revealed. The patients with associated MSPGN and secondary hypertension (SH) mostly demonstrated emptying and hyalinosis of arteries, whereas those with associated MPGN and SH manifested for the most part the derangement of the tubulointerstitial structures. In patients with MPGN, the levels of total renin (TR) and inactive renin (IR) were significantly higher than in those suffering from MSPGN. This can be regarded as risk factor of earlier development of SH. In MPGN patients, the content of TR and IR as well as that of active renin (AR) did not depend on the clinical pattern of chronic glomerulonephritis. As compared to MSPGN patients with isolated urinary syndrome, those with associated MSPGN and SH had a higher AR level, which agreed well with systolic and mean arterial pressure. Apparently, the latter one is implicated in the mechanism of SH in MSPGN. In associated MPGN and SH, kallikreinuria was found to be lowest, which may be the consequence of tubulointerstitial lesions. Discoordination of the renin-angiotensin and kallikrein systems is likely to be one of the causes of earlier formation and severe course of SH in the morphological pattern under consideration.
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