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1.
Vnitr Lek ; 68(E-1): 27-32, 2022.
Article in English | MEDLINE | ID: mdl-35459403

ABSTRACT

Chronic kidney disease patients often present late for dialysis due to minimal clinical symptoms, which are frequently undiscovered by both general practitioners and specialists. They have no information about renal replacement therapy, including preemptive kidney transplantation and do not have a permanent dialysis access. This fact increases the morbidity and mortality of those patients. Common preventive examinations such as blood pressure measurement, serum biochemistry, urinalysis, and glomerular filtration tests, might help with earlier diagnosis of these patients by others specialities and timely referral to nephrologist.


Subject(s)
Renal Dialysis , Renal Insufficiency, Chronic , Female , Glomerular Filtration Rate , Humans , Kidney/physiology , Male , Referral and Consultation , Renal Insufficiency, Chronic/diagnosis , Renal Insufficiency, Chronic/therapy
2.
Am J Nephrol ; 48(6): 465-471, 2018.
Article in English | MEDLINE | ID: mdl-30472700

ABSTRACT

BACKGROUND: The prognostic value of the anti-neutrophil cytoplasmic antibody (ANCA) associated glomerulonephritis (GN) classification has been demonstrated in several cohorts with sclerotic class having the worst renal outcome. Relevant published data on factors predicting outcomes in sclerotic ANCA GN is limited. METHODS: Sclerotic ANCA GN patients were recruited from 5 centers worldwide for this retrospective cohort study. We describe the clinical characteristics of this cohort and evaluate predictors of 1-year glomerular filtration rate (GFR) and end-stage renal disease (ESRD). Kidney function at 12 months as measured by Modification of Diet in Renal Disease estimated GFR (eGFR) was modeled by simple and multiple linear regression analyses. We used Cox proportional hazards regression modeling to evaluate ESRD-free survival. RESULTS: Of the 50 patients, 92% were Caucasian and 60% male with a mean age of 61 years. While 72% had renal limited disease, 82% were MPO ANCA positive. Kidney biopsies contained a median of 20 (interquartile range [IQR] 15-34) glomeruli with 96% showing moderate to severe interstitial fibrosis. Overall, 96% of patients received immunosuppressive drug therapy and 16% received plasmapheresis. Treatment response was achieved in all but 1 patient. The median (IQR) eGFR at entry was 14.5 (9-19) mL/min/1.73 m2. Over a median (IQR) follow-up of 33.5 (17-82) months, 26 patients reached ESRD. Ten patients died with 6 of the deaths occurring within the first year of diagnosis. The hazard of progression to ESRD was significantly higher in those with lower GFR at study entry (p = 0.003) and with higher degree of tubular atrophy (p = 0.043). CONCLUSIONS: Renal recovery is rare among sclerotic ANCA GN patients requiring dialysis at entry and 12% of patients died in the first year. Entry GFR and tubular atrophy were significant predictors of GFR at 12 months and renal survival in patients with sclerotic class ANCA GN.


Subject(s)
Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis/mortality , Antibodies, Antineutrophil Cytoplasmic/blood , Glomerulonephritis/mortality , Kidney Failure, Chronic/epidemiology , Kidney/pathology , Aged , Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis/immunology , Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis/pathology , Antibodies, Antineutrophil Cytoplasmic/immunology , Atrophy/immunology , Atrophy/pathology , Biopsy , Disease Progression , Female , Fibrosis , Follow-Up Studies , Glomerular Filtration Rate , Glomerulonephritis/immunology , Glomerulonephritis/pathology , Humans , Kidney/blood supply , Kidney/immunology , Kidney Failure, Chronic/blood , Kidney Failure, Chronic/immunology , Male , Middle Aged , Predictive Value of Tests , Prognosis , Retrospective Studies , Risk Factors , Survival Analysis
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