The effect of clinical features and glucocorticoids on biopsy findings in giant cell arteritis

Karin Jakobsson, Lennart Jacobsson, Aladdin J. Mohammad, Jan Åke Nilsson, Kenneth J Warrington, Eric Lawrence Matteson, Carl Turesson

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Background: To investigate the effect of baseline clinical characteristics and glucocorticoid treatment on temporal artery biopsy (TAB) findings in patients with giant cell arteritis (GCA). Methods: Individuals who developed GCA after inclusion in two population-based health surveys were identified through linkage to the local and the national patient registers. In addition, other patients diagnosed with GCA at the Departments of Internal Medicine and Rheumatology at an area hospital were included. A structured review of medical records and TAB pathology reports was performed. The presence or absence of giant cells, granuloma, fragmented internal elastic lamina, fibrosis and grade of inflammatory infiltrates were recorded. Results: In 183 cases with a confirmed clinical diagnosis of GCA, 139 were biopsied after start of glucocorticoids (median treatment duration 3 days; interquartile range 2-5). Patients with a positive TAB (77 %) had significantly higher C-reactive protein (CRP; p = 0.007) and erythrocyte sedimentation rate (ESR; p = 0.03) at the time of clinical diagnosis. A positive TAB tended to more common in women, but there was no difference in the proportion of patients with polymyalgia rheumatica or visual symptoms. Patients biopsied before or on the same day as initial treatment where more likely than those biopsied 1-3 days after treatment start to have positive biopsy [odds ratio (OR) 2.86; 95 % CI 1.06-7.70] as well as inflammatory infiltrates (OR 3.30; 95 % CI 1.15-9.49). There was no significant difference in the proportions of a fragmented internal lamina (p = 0.86), giant cells (p = 0. 10), granuloma (p = 0.19), minor inflammatory infiltrates (p = 0.47), major inflammatory infiltrates (p = 0.09), or overall positive biopsy (p = 0.17) report by treatment duration comparing: ≤ 0 days, 1-3 days, 4-6 days, 7-28 days. Among those biopsied 7-28 days after start of treatment, 80 % of TABs were positive, and histopathology features were not substantially different from those biopsied after shorter glucocorticoid treatment. Conclusion: Biopsies were more likely to be positive and have characteristic histopathologic features in patients with high CRP and ESR, and prior to start of corticosteroid treatment TABs taken 1-4 weeks after initiation of glucocorticoid treatment reveal changes consistent with GCA and therefore still yields clinically useful information for the diagnosis.

Original languageEnglish (US)
Article number363
JournalBMC Musculoskeletal Disorders
Volume17
Issue number1
DOIs
StatePublished - 2016

Fingerprint

Giant Cell Arteritis
Glucocorticoids
Biopsy
Temporal Arteries
Therapeutics
Odds Ratio
Giant Cell Granuloma
Polymyalgia Rheumatica
Blood Sedimentation
Rheumatology
Giant Cells
Internal Medicine
Health Surveys
Granuloma
C-Reactive Protein
Medical Records
Adrenal Cortex Hormones
Fibrosis
Pathology

Keywords

  • Giant cell arteritis
  • Glucocorticoid treatment
  • Histopathology findings
  • Temporal artery biopsy

ASJC Scopus subject areas

  • Rheumatology
  • Orthopedics and Sports Medicine

Cite this

The effect of clinical features and glucocorticoids on biopsy findings in giant cell arteritis. / Jakobsson, Karin; Jacobsson, Lennart; Mohammad, Aladdin J.; Nilsson, Jan Åke; Warrington, Kenneth J; Matteson, Eric Lawrence; Turesson, Carl.

In: BMC Musculoskeletal Disorders, Vol. 17, No. 1, 363, 2016.

Research output: Contribution to journalArticle

Jakobsson, Karin ; Jacobsson, Lennart ; Mohammad, Aladdin J. ; Nilsson, Jan Åke ; Warrington, Kenneth J ; Matteson, Eric Lawrence ; Turesson, Carl. / The effect of clinical features and glucocorticoids on biopsy findings in giant cell arteritis. In: BMC Musculoskeletal Disorders. 2016 ; Vol. 17, No. 1.
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abstract = "Background: To investigate the effect of baseline clinical characteristics and glucocorticoid treatment on temporal artery biopsy (TAB) findings in patients with giant cell arteritis (GCA). Methods: Individuals who developed GCA after inclusion in two population-based health surveys were identified through linkage to the local and the national patient registers. In addition, other patients diagnosed with GCA at the Departments of Internal Medicine and Rheumatology at an area hospital were included. A structured review of medical records and TAB pathology reports was performed. The presence or absence of giant cells, granuloma, fragmented internal elastic lamina, fibrosis and grade of inflammatory infiltrates were recorded. Results: In 183 cases with a confirmed clinical diagnosis of GCA, 139 were biopsied after start of glucocorticoids (median treatment duration 3 days; interquartile range 2-5). Patients with a positive TAB (77 {\%}) had significantly higher C-reactive protein (CRP; p = 0.007) and erythrocyte sedimentation rate (ESR; p = 0.03) at the time of clinical diagnosis. A positive TAB tended to more common in women, but there was no difference in the proportion of patients with polymyalgia rheumatica or visual symptoms. Patients biopsied before or on the same day as initial treatment where more likely than those biopsied 1-3 days after treatment start to have positive biopsy [odds ratio (OR) 2.86; 95 {\%} CI 1.06-7.70] as well as inflammatory infiltrates (OR 3.30; 95 {\%} CI 1.15-9.49). There was no significant difference in the proportions of a fragmented internal lamina (p = 0.86), giant cells (p = 0. 10), granuloma (p = 0.19), minor inflammatory infiltrates (p = 0.47), major inflammatory infiltrates (p = 0.09), or overall positive biopsy (p = 0.17) report by treatment duration comparing: ≤ 0 days, 1-3 days, 4-6 days, 7-28 days. Among those biopsied 7-28 days after start of treatment, 80 {\%} of TABs were positive, and histopathology features were not substantially different from those biopsied after shorter glucocorticoid treatment. Conclusion: Biopsies were more likely to be positive and have characteristic histopathologic features in patients with high CRP and ESR, and prior to start of corticosteroid treatment TABs taken 1-4 weeks after initiation of glucocorticoid treatment reveal changes consistent with GCA and therefore still yields clinically useful information for the diagnosis.",
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AU - Matteson, Eric Lawrence

AU - Turesson, Carl

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N2 - Background: To investigate the effect of baseline clinical characteristics and glucocorticoid treatment on temporal artery biopsy (TAB) findings in patients with giant cell arteritis (GCA). Methods: Individuals who developed GCA after inclusion in two population-based health surveys were identified through linkage to the local and the national patient registers. In addition, other patients diagnosed with GCA at the Departments of Internal Medicine and Rheumatology at an area hospital were included. A structured review of medical records and TAB pathology reports was performed. The presence or absence of giant cells, granuloma, fragmented internal elastic lamina, fibrosis and grade of inflammatory infiltrates were recorded. Results: In 183 cases with a confirmed clinical diagnosis of GCA, 139 were biopsied after start of glucocorticoids (median treatment duration 3 days; interquartile range 2-5). Patients with a positive TAB (77 %) had significantly higher C-reactive protein (CRP; p = 0.007) and erythrocyte sedimentation rate (ESR; p = 0.03) at the time of clinical diagnosis. A positive TAB tended to more common in women, but there was no difference in the proportion of patients with polymyalgia rheumatica or visual symptoms. Patients biopsied before or on the same day as initial treatment where more likely than those biopsied 1-3 days after treatment start to have positive biopsy [odds ratio (OR) 2.86; 95 % CI 1.06-7.70] as well as inflammatory infiltrates (OR 3.30; 95 % CI 1.15-9.49). There was no significant difference in the proportions of a fragmented internal lamina (p = 0.86), giant cells (p = 0. 10), granuloma (p = 0.19), minor inflammatory infiltrates (p = 0.47), major inflammatory infiltrates (p = 0.09), or overall positive biopsy (p = 0.17) report by treatment duration comparing: ≤ 0 days, 1-3 days, 4-6 days, 7-28 days. Among those biopsied 7-28 days after start of treatment, 80 % of TABs were positive, and histopathology features were not substantially different from those biopsied after shorter glucocorticoid treatment. Conclusion: Biopsies were more likely to be positive and have characteristic histopathologic features in patients with high CRP and ESR, and prior to start of corticosteroid treatment TABs taken 1-4 weeks after initiation of glucocorticoid treatment reveal changes consistent with GCA and therefore still yields clinically useful information for the diagnosis.

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