Subclinical sacroiliitis detected by abdominopelvic computed tomography in Korean patients with Crohn’s disease

Background/Aims Sacroiliitis is a frequent extraintestinal manifestation of inflammatory bowel diseases (IBDs). This study aimed to assess the prevalence of sacroiliitis using a validated screening tool based on abdominopelvic computed tomography (APCT) in Korean patients with Crohn’s disease (CD) a...

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Main Authors: You-Jung Ha, Hyo Jin Kim, Eugene Lee, Ji Hye Park, Young Soo Park, Yun Jong Lee, Yusuhn Kang, Hyuk Yoon
Format: Article
Language:English
Published: The Korean Association of Internal Medicine 2021-07-01
Series:The Korean Journal of Internal Medicine
Subjects:
Online Access:http://www.kjim.org/upload/pdf/kjim-2020-199.pdf
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author You-Jung Ha
Hyo Jin Kim
Eugene Lee
Ji Hye Park
Young Soo Park
Yun Jong Lee
Yusuhn Kang
Hyuk Yoon
author_facet You-Jung Ha
Hyo Jin Kim
Eugene Lee
Ji Hye Park
Young Soo Park
Yun Jong Lee
Yusuhn Kang
Hyuk Yoon
author_sort You-Jung Ha
collection DOAJ
description Background/Aims Sacroiliitis is a frequent extraintestinal manifestation of inflammatory bowel diseases (IBDs). This study aimed to assess the prevalence of sacroiliitis using a validated screening tool based on abdominopelvic computed tomography (APCT) in Korean patients with Crohn’s disease (CD) and examine potential associations between clinical characteristics and sacroiliitis. Methods One hundred five patients with CD undergoing APCT for any indication at an IBD clinic were matched 1:1 for age and sex with 105 controls without underlying chronic illnesses. Using a validated APCT screening tool that defines sacroiliitis as either ankylosis or a total erosion score (TES) ≥ 3, all computed tomography scans were assessed by two independent, blinded radiologists. We compared the prevalence of sacroiliitis between CD patients and controls and clinical characteristics between CD patients with and without sacroiliitis. Results The prevalence of sacroiliitis was significantly higher in CD patients than in controls (13.3% vs. 4.8%, p = 0.030). All subjects with sacroiliitis had a TES ≥ 3, but no ankylosis. The assessment of sacroiliitis in APCT showed excellent interreader reliability (Cohen’s kappa = 0.933 for presence of sacroiliitis). Sacroiliitis in CD patients was bilateral and asymptomatic. There were no significant associations between sacroiliitis and any demographic data or clinical characteristics in these patients. Conclusions The prevalence of APCT-detected sacroiliitis in CD patients was higher than that in controls, but the condition was asymptomatic. The clinical significance of asymptomatic sacroiliitis in Korean CD patients remains unclear.
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spelling doaj.art-b15f0a6a464141b28598e24d9f9e97f22022-12-21T22:45:18ZengThe Korean Association of Internal MedicineThe Korean Journal of Internal Medicine1226-33032005-66482021-07-0136486887710.3904/kjim.2020.199170428Subclinical sacroiliitis detected by abdominopelvic computed tomography in Korean patients with Crohn’s diseaseYou-Jung Ha0Hyo Jin Kim1Eugene Lee2Ji Hye Park3Young Soo Park4Yun Jong Lee5Yusuhn Kang6Hyuk Yoon7 Division of Rheumatology, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea Department of Radiology, Seoul Metropolitan Government Seoul National University Boramae Medical Center, Seoul, Korea Department of Radiology, Seoul National University Bundang Hospital, Seongnam, Korea Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea Division of Rheumatology, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea Department of Radiology, Seoul National University Bundang Hospital, Seongnam, Korea Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, KoreaBackground/Aims Sacroiliitis is a frequent extraintestinal manifestation of inflammatory bowel diseases (IBDs). This study aimed to assess the prevalence of sacroiliitis using a validated screening tool based on abdominopelvic computed tomography (APCT) in Korean patients with Crohn’s disease (CD) and examine potential associations between clinical characteristics and sacroiliitis. Methods One hundred five patients with CD undergoing APCT for any indication at an IBD clinic were matched 1:1 for age and sex with 105 controls without underlying chronic illnesses. Using a validated APCT screening tool that defines sacroiliitis as either ankylosis or a total erosion score (TES) ≥ 3, all computed tomography scans were assessed by two independent, blinded radiologists. We compared the prevalence of sacroiliitis between CD patients and controls and clinical characteristics between CD patients with and without sacroiliitis. Results The prevalence of sacroiliitis was significantly higher in CD patients than in controls (13.3% vs. 4.8%, p = 0.030). All subjects with sacroiliitis had a TES ≥ 3, but no ankylosis. The assessment of sacroiliitis in APCT showed excellent interreader reliability (Cohen’s kappa = 0.933 for presence of sacroiliitis). Sacroiliitis in CD patients was bilateral and asymptomatic. There were no significant associations between sacroiliitis and any demographic data or clinical characteristics in these patients. Conclusions The prevalence of APCT-detected sacroiliitis in CD patients was higher than that in controls, but the condition was asymptomatic. The clinical significance of asymptomatic sacroiliitis in Korean CD patients remains unclear.http://www.kjim.org/upload/pdf/kjim-2020-199.pdfsacroiliitissacroiliac jointtomographyspiral computedcrohn disease
spellingShingle You-Jung Ha
Hyo Jin Kim
Eugene Lee
Ji Hye Park
Young Soo Park
Yun Jong Lee
Yusuhn Kang
Hyuk Yoon
Subclinical sacroiliitis detected by abdominopelvic computed tomography in Korean patients with Crohn’s disease
The Korean Journal of Internal Medicine
sacroiliitis
sacroiliac joint
tomography
spiral computed
crohn disease
title Subclinical sacroiliitis detected by abdominopelvic computed tomography in Korean patients with Crohn’s disease
title_full Subclinical sacroiliitis detected by abdominopelvic computed tomography in Korean patients with Crohn’s disease
title_fullStr Subclinical sacroiliitis detected by abdominopelvic computed tomography in Korean patients with Crohn’s disease
title_full_unstemmed Subclinical sacroiliitis detected by abdominopelvic computed tomography in Korean patients with Crohn’s disease
title_short Subclinical sacroiliitis detected by abdominopelvic computed tomography in Korean patients with Crohn’s disease
title_sort subclinical sacroiliitis detected by abdominopelvic computed tomography in korean patients with crohn s disease
topic sacroiliitis
sacroiliac joint
tomography
spiral computed
crohn disease
url http://www.kjim.org/upload/pdf/kjim-2020-199.pdf
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