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Clin Exp Rheumatol. 2007 Jan-Feb;25(1 Suppl 44):S10-4.

Kidney involvement in Takayasu arteritis.

Author information

1
Division of Rheumatology, Tufts-New England Medical Center, Tufts University School of Medicine, Boston, Massachusetts, USA.

Abstract

OBJECTIVE:

To evaluate whether the presence of glomerulonephritis is or is not associated with the extent of arterial wall inflammatory cell infiltrate in Takayasu arthritis (TA).

METHODS:

Retrospective chart and pathology review of large artery and kidney specimens of TA autopsy cases. Kidney specimens were classified, according to their histopathological findings, in those with specific glomerular entities and those with non-specific, ischemic and/or hypertensive, glomerular changes. A control group of autopsy kidney specimens was utilized for comparison. Morphometric analysis was used to assess the extent of the arterial inflammatory infiltrates; results were compared among the different groups with kidney lesions.

RESULTS:

We included 25 kidney specimens from 25 autopsies. Specific glomerular entities were present in 14 specimens; 10 (40%) were classified as diffuse mesangial proliferative glomerulonephritis (DMPG [Group A]), and 4 (16%) as other associated glomerulopathies (Group B). Non-specific changes were observed in 11 (44%) specimens (Group C). The arterial inflammatory infiltrate proportion was 9.4 % for group A, 1.4% for group B, and 2.7% for group C. Furthermore, a larger proportion of vascular inflammation was confirmed for group A when compared with the other groups (p<0.05). Group A patients were younger than those in groups B and C (p<0.005) and exhibited shorter disease duration.

CONCLUSION:

The presence of DMPG was associated with a larger extent of vascular inflammatory cell infiltrate, suggesting a relationship between both phenomena.

PMID:
17428356
[Indexed for MEDLINE]

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