Instrumental diagnosis of coxitis in ankylosing spondylitis in real clinical practice

Coxitis is one of the most common extra-axial manifestations of ankylosing spondylitis (AS). Most Russian studies consider hip joint (HJ) involvement in AS patients as a major factor of poor prognosis in this disease. All detected hip joint changes are characterized by one term «coxitis». Until rece...

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Main Authors: E. M. Agafonova, T. V. Dubinina, A. B. Demina, A. V. Smirnov, Sh. F. Erdes
Format: Article
Language:Russian
Published: IMA PRESS LLC 2019-01-01
Series:Научно-практическая ревматология
Subjects:
Online Access:https://rsp.mediar-press.net/rsp/article/view/2647
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author E. M. Agafonova
T. V. Dubinina
A. B. Demina
A. V. Smirnov
Sh. F. Erdes
author_facet E. M. Agafonova
T. V. Dubinina
A. B. Demina
A. V. Smirnov
Sh. F. Erdes
author_sort E. M. Agafonova
collection DOAJ
description Coxitis is one of the most common extra-axial manifestations of ankylosing spondylitis (AS). Most Russian studies consider hip joint (HJ) involvement in AS patients as a major factor of poor prognosis in this disease. All detected hip joint changes are characterized by one term «coxitis». Until recently, there has been no clarity on inflammation of which structures of HJ leads to its destruction. This problem can be solved by prospective studies. A start was made by the V.A. Nasonova Research Institute of Rheumatology on the study of the evolution of coxitis in AS in 2013. This communication is devoted to the results initially identified by various imaging techniques for detecting HJ changes.Objective: to study the characteristics of HJ injury in AS, which have been detected by different imaging techniques.Subjects and methods. The investigation enrolled 125 AS patients, including 84 men (a male/female ratio of 2:1). The mean age of the patients was 31.4±9.1 years; the mean age at disease onset – 24.6±4.4 years; the median duration of AS at the time of examination – 96 (12–444) months. The HLA-B27 antigen was present in the majority of patients (94%). AS activity defined by ASDAS-CRP and BASDAI was high; BASFI scores averaged 3.4±2.1. All the patients underwent the following instrumental examinations: plain pelvis radiography, HJ ultrasound and magnetic resonance imaging (MRI).Results and discussion. The clinical, ultrasound, and MRI signs of coxitis were found in 82, 75, and 88% of cases, respectively; coxitis was radiologically confirmed only in 50% of patients. This disease was diagnosed by several techniques in the vast majority of cases. The diagnosis of coxitis was based only on clinical signs in only three (2%) patients. In approximately every sixth (16%) patients with AS, who had clinical signs of coxitis, the latter was verified only by one of the instrumental techniques (ultrasonography, radiography, or MRI). Our findings demonstrated that more than half of patients had high coxitis activity, and more prolonged coxitis was responsible for higher X-ray HJ changes and functional limitations.Conclusion. Our study has showed that the instrumental techniques used to diagnose coxitis are not equivalent in evaluating HJ injury. To decide which of them is more effective in screening and predicting the course of coxitis, there is a need for further prospective investigations.
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spelling doaj.art-921f1e4bcdaa44cebd39d979414091792023-03-22T13:45:54ZrusIMA PRESS LLCНаучно-практическая ревматология1995-44841995-44922019-01-0156671672110.14412/1995-4484-2018-716-7212426Instrumental diagnosis of coxitis in ankylosing spondylitis in real clinical practiceE. M. Agafonova0T. V. Dubinina1A. B. Demina2A. V. Smirnov3Sh. F. Erdes4V.A. Nasonova Research Institute of Rheumatology.V.A. Nasonova Research Institute of Rheumatology.V.A. Nasonova Research Institute of Rheumatology.V.A. Nasonova Research Institute of Rheumatology.V.A. Nasonova Research Institute of Rheumatology.Coxitis is one of the most common extra-axial manifestations of ankylosing spondylitis (AS). Most Russian studies consider hip joint (HJ) involvement in AS patients as a major factor of poor prognosis in this disease. All detected hip joint changes are characterized by one term «coxitis». Until recently, there has been no clarity on inflammation of which structures of HJ leads to its destruction. This problem can be solved by prospective studies. A start was made by the V.A. Nasonova Research Institute of Rheumatology on the study of the evolution of coxitis in AS in 2013. This communication is devoted to the results initially identified by various imaging techniques for detecting HJ changes.Objective: to study the characteristics of HJ injury in AS, which have been detected by different imaging techniques.Subjects and methods. The investigation enrolled 125 AS patients, including 84 men (a male/female ratio of 2:1). The mean age of the patients was 31.4±9.1 years; the mean age at disease onset – 24.6±4.4 years; the median duration of AS at the time of examination – 96 (12–444) months. The HLA-B27 antigen was present in the majority of patients (94%). AS activity defined by ASDAS-CRP and BASDAI was high; BASFI scores averaged 3.4±2.1. All the patients underwent the following instrumental examinations: plain pelvis radiography, HJ ultrasound and magnetic resonance imaging (MRI).Results and discussion. The clinical, ultrasound, and MRI signs of coxitis were found in 82, 75, and 88% of cases, respectively; coxitis was radiologically confirmed only in 50% of patients. This disease was diagnosed by several techniques in the vast majority of cases. The diagnosis of coxitis was based only on clinical signs in only three (2%) patients. In approximately every sixth (16%) patients with AS, who had clinical signs of coxitis, the latter was verified only by one of the instrumental techniques (ultrasonography, radiography, or MRI). Our findings demonstrated that more than half of patients had high coxitis activity, and more prolonged coxitis was responsible for higher X-ray HJ changes and functional limitations.Conclusion. Our study has showed that the instrumental techniques used to diagnose coxitis are not equivalent in evaluating HJ injury. To decide which of them is more effective in screening and predicting the course of coxitis, there is a need for further prospective investigations.https://rsp.mediar-press.net/rsp/article/view/2647coxitisankylosing spondylitissynovitisosteitis
spellingShingle E. M. Agafonova
T. V. Dubinina
A. B. Demina
A. V. Smirnov
Sh. F. Erdes
Instrumental diagnosis of coxitis in ankylosing spondylitis in real clinical practice
Научно-практическая ревматология
coxitis
ankylosing spondylitis
synovitis
osteitis
title Instrumental diagnosis of coxitis in ankylosing spondylitis in real clinical practice
title_full Instrumental diagnosis of coxitis in ankylosing spondylitis in real clinical practice
title_fullStr Instrumental diagnosis of coxitis in ankylosing spondylitis in real clinical practice
title_full_unstemmed Instrumental diagnosis of coxitis in ankylosing spondylitis in real clinical practice
title_short Instrumental diagnosis of coxitis in ankylosing spondylitis in real clinical practice
title_sort instrumental diagnosis of coxitis in ankylosing spondylitis in real clinical practice
topic coxitis
ankylosing spondylitis
synovitis
osteitis
url https://rsp.mediar-press.net/rsp/article/view/2647
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AT avsmirnov instrumentaldiagnosisofcoxitisinankylosingspondylitisinrealclinicalpractice
AT shferdes instrumentaldiagnosisofcoxitisinankylosingspondylitisinrealclinicalpractice