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Correlation of percentage of normal glomeruli with renal outcome in Wegener's granulomatosis.

Abstract：

BACKGROUND/AIMS:We examined the correlations between renal biopsy findings in Wegener's granulomatosis and renal function at baseline and 1 year in 22 patients who presented between 1988 and 1999. METHODS:Renal histology was independently reviewed by 2 pathologists who were masked to the clinical data. The primary outcome was the relationship of the percentage of normal glomeruli to reciprocal serum creatinine at baseline and 1 year. Other histologic data were collected using a series of ordinal rating scales. Acute and chronic sum scores were calculated. RESULTS:The median serum creatinine (SCr) at baseline was 3.9 mg/dl (0.8-14 mg/dl). Seven patients initially required hemodialysis, of whom 4 subsequently regained independent renal function. By 1 year of follow-up, the median (SCr) for patients with independent renal function was 1.9 mg/dl (0.9-6.8 mg/dl). Reciprocal SCr at baseline correlated with the percentage of normal glomeruli (r = 0.584, p = 0.005), crescent score (r = -0.595, p = 0.003), interstitial fibrosis as a percentage of cortical surface area (r = -0.669, p = 0.002), interstitial inflammation (r = -0.439, p = 0.041), eosinophil (r = -0.495, p = 0.019), neutrophil score (r = -0.557, p = 0.005), and acute sum score (r = -0.499, p = 0.018). However, only the percentage of normal glomeruli (r = 0.493, p = 0.023), the crescent score (r = -0.452, p = 0.035), and interstitial fibrosis as a percentage of cortical surface area (r = -0.466, p = 0.052) correlated with reciprocal SCr at 1 year of follow-up. CONCLUSION:In this relatively small data set, the percentage of normal glomeruli, the crescent score, and interstitial fibrosis as a percentage of cortical surface area correlated with renal function at both baseline and 1 year of follow-up.

journal_name

Am J Nephrol

journal_title

American journal of nephrology

authors

Haroun MK,Stone JH,Nair R,Racusen L,Hellmann DB,Eustace JA

doi

10.1159/000065283

subject

Has Abstract

pub_date

2002-09-01 00:00:00

pages

497-503

issue

5-6

eissn

0250-8095

issn

1421-9670

pii

65283

journal_volume

22

pub_type

杂志文章

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