Birmingham vasculitis activity score at diagnosis is a significant predictor of relapse of polyarteritis nodosa

Yoon Jeong Oh, Sung Soo Ahn, Eun Seong Park, Seung Min Jung, Jason Jungsik Song, YongBeom Park, Sang Won Lee

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Abstract

The objective of this study was to investigate whether clinical and laboratory data, Birmingham vasculitis activity score (BVAS) and five factor scores (FFS) at diagnosis could predict relapse in 30 patients with polyarteritis nodosa (PAN) having the follow-up duration for over 12 months. We reviewed the medical charts of 30 patients with PAN. We obtained clinical and laboratory data at diagnosis, and we compared them between the two groups based on relapse. The optimal cut-off values of BVAS and FFS (1996) at diagnosis to predict relapse were extrapolated. The mean age of patients (15 men) was 50.8 years, and the mean follow-up duration was 64.1 months. Nine patients (30.0%) had experience relapse after remission. Patients having relapse showed the higher frequency of weight loss and ocular symptoms and the less frequency of diastolic hypertension than those having not (p < 0.005 for all). On multivariate logistic regression analysis, weight loss was the only independent predictor of relapse, but on Cox Hazard model analysis, its statistical significance disappeared. The mean initial BVAS and FFS (1996) of patients in relapse group were higher than those of patients in no relapse group (p < 0.005 for all). Patients having initial BVAS over 13.5 and FFS (1996) over 1 exhibited significantly higher risk of relapse than those having not (RR 40.0 and RR 7.0, respectively). However, initial BVAS over 13.5 only remained significant in Kaplan–Meier survival analysis. In conclusion, BVAS over 13.5 at diagnosis was the only independent predictor of relapse of PAN.

Original languageEnglish
Pages (from-to)685-694
Number of pages10
JournalRheumatology International
Volume37
Issue number5
DOIs
Publication statusPublished - 2017 May 1

Fingerprint

Polyarteritis Nodosa
Vasculitis
Recurrence
Proportional Hazards Models
Weight Loss
Survival Analysis
Logistic Models
Regression Analysis
Hypertension

All Science Journal Classification (ASJC) codes

  • Rheumatology
  • Immunology and Allergy
  • Immunology

Cite this

Oh, Yoon Jeong ; Ahn, Sung Soo ; Park, Eun Seong ; Jung, Seung Min ; Song, Jason Jungsik ; Park, YongBeom ; Lee, Sang Won. / Birmingham vasculitis activity score at diagnosis is a significant predictor of relapse of polyarteritis nodosa. In: Rheumatology International. 2017 ; Vol. 37, No. 5. pp. 685-694.
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abstract = "The objective of this study was to investigate whether clinical and laboratory data, Birmingham vasculitis activity score (BVAS) and five factor scores (FFS) at diagnosis could predict relapse in 30 patients with polyarteritis nodosa (PAN) having the follow-up duration for over 12 months. We reviewed the medical charts of 30 patients with PAN. We obtained clinical and laboratory data at diagnosis, and we compared them between the two groups based on relapse. The optimal cut-off values of BVAS and FFS (1996) at diagnosis to predict relapse were extrapolated. The mean age of patients (15 men) was 50.8 years, and the mean follow-up duration was 64.1 months. Nine patients (30.0{\%}) had experience relapse after remission. Patients having relapse showed the higher frequency of weight loss and ocular symptoms and the less frequency of diastolic hypertension than those having not (p < 0.005 for all). On multivariate logistic regression analysis, weight loss was the only independent predictor of relapse, but on Cox Hazard model analysis, its statistical significance disappeared. The mean initial BVAS and FFS (1996) of patients in relapse group were higher than those of patients in no relapse group (p < 0.005 for all). Patients having initial BVAS over 13.5 and FFS (1996) over 1 exhibited significantly higher risk of relapse than those having not (RR 40.0 and RR 7.0, respectively). However, initial BVAS over 13.5 only remained significant in Kaplan–Meier survival analysis. In conclusion, BVAS over 13.5 at diagnosis was the only independent predictor of relapse of PAN.",
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Birmingham vasculitis activity score at diagnosis is a significant predictor of relapse of polyarteritis nodosa. / Oh, Yoon Jeong; Ahn, Sung Soo; Park, Eun Seong; Jung, Seung Min; Song, Jason Jungsik; Park, YongBeom; Lee, Sang Won.

In: Rheumatology International, Vol. 37, No. 5, 01.05.2017, p. 685-694.

Research output: Contribution to journalArticle

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T1 - Birmingham vasculitis activity score at diagnosis is a significant predictor of relapse of polyarteritis nodosa

AU - Oh, Yoon Jeong

AU - Ahn, Sung Soo

AU - Park, Eun Seong

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AU - Park, YongBeom

AU - Lee, Sang Won

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