Terapevticheskii arkhiv · 2012
[Glomerular diseases in HIV-infected patients: clinical and morphological evaluation].
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Yushchuk N D, Gadzhikuliyeva M M, Volgina G V, Tomilina N A
Аннотация
AIM: To evaluate the clinical and morphological variants of kidney abnormalities in HIV-infected patients.
SUBJECTS AND METHODS: Thirty HIV-infected patients (60% men and 40% women) aged 26 to 54 years (mean age 31.6 +/- 4.7 years) who had undergone diagnostic needle renal biopsy were examined. The indication for the biopsy was nephrotic syndrome (NS) (isolated or concurrent acute nephritic syndrome) and/or decreased renal function. The morphological study of biopsy specimens included light microscopy and immunofluorescence assay.
RESULTS: In the examined HIV-infected patients, the histological variants of kidney abnormalities presented with immune complex glomerulonephritis (ICGN) in 26 cases and with focal segmental glomerulosclerosis (FSGS) in 4 cases. The clinical manifestations of ICGN were as follows: NS (61.5%), acute nephritic syndrome (in more than one third of the patients) concurrent with hematuria, as well as mainly grades 2-3 arterial hypertension (AH) (12/14) and renal dysfunction. Immune complex glomerulopathies were marked by polymorphism in the renal morphological pattern with fluorescence during immunofluorescence microscopy in most cases of virtually all classes of immunoglobulins (IgA, IgM, IgG) and complement system fragments (C3, C1q). FSGS was clinically characterized by NS concurrent with AH, hematuria. The morphological subtypes of FSGS were exhibited by apical, perihilar, and nonspecific variants in 1, 1, and 2 cases, respectively. By the time the signs of renal dysfunction appeared, the HIV-infected patients with glomerulopathy were found to have a high viral load (HIV RNA >100 000 copies/ml) and low CD4 lymphocyte levels (< or = 200 in 1 microl).
CONCLUSION: In our study, the morphological pattern of chronic glomerulonephritis showed a preponderance of immune complex nephropathies with the clinical manifestations of acute nephritic syndrome and/or NS concurrent with hematuria. High viremia and depressed immune system may be risk factors for nephropathy.
SUBJECTS AND METHODS: Thirty HIV-infected patients (60% men and 40% women) aged 26 to 54 years (mean age 31.6 +/- 4.7 years) who had undergone diagnostic needle renal biopsy were examined. The indication for the biopsy was nephrotic syndrome (NS) (isolated or concurrent acute nephritic syndrome) and/or decreased renal function. The morphological study of biopsy specimens included light microscopy and immunofluorescence assay.
RESULTS: In the examined HIV-infected patients, the histological variants of kidney abnormalities presented with immune complex glomerulonephritis (ICGN) in 26 cases and with focal segmental glomerulosclerosis (FSGS) in 4 cases. The clinical manifestations of ICGN were as follows: NS (61.5%), acute nephritic syndrome (in more than one third of the patients) concurrent with hematuria, as well as mainly grades 2-3 arterial hypertension (AH) (12/14) and renal dysfunction. Immune complex glomerulopathies were marked by polymorphism in the renal morphological pattern with fluorescence during immunofluorescence microscopy in most cases of virtually all classes of immunoglobulins (IgA, IgM, IgG) and complement system fragments (C3, C1q). FSGS was clinically characterized by NS concurrent with AH, hematuria. The morphological subtypes of FSGS were exhibited by apical, perihilar, and nonspecific variants in 1, 1, and 2 cases, respectively. By the time the signs of renal dysfunction appeared, the HIV-infected patients with glomerulopathy were found to have a high viral load (HIV RNA >100 000 copies/ml) and low CD4 lymphocyte levels (< or = 200 in 1 microl).
CONCLUSION: In our study, the morphological pattern of chronic glomerulonephritis showed a preponderance of immune complex nephropathies with the clinical manifestations of acute nephritic syndrome and/or NS concurrent with hematuria. High viremia and depressed immune system may be risk factors for nephropathy.