The spectrum of giant cell arteritis and polymyalgia rheumatica: a longitudinal prospective study to assess for subclinical giant cell arteritis in new onset polymyalgia rheumatica

Abstract Background Polymyalgia rheumatica (PMR) and giant cell arteritis (GCA) frequently overlap, with each disease potentially presenting as a manifestation of the other. The strong relationship between PMR and GCA raises the question of whether it is a “co-occurrence of different diseases” or a...

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Main Authors: Yasser El Miedany, Maha El Gaafary, Mathias Toth, Sami Bahlas, Waleed Hassan, Safaa Mahran, Mohammed Hassan Abu-Zaid, Ali El Miedany, Walaa Elwakil
Format: Article
Language:English
Published: SpringerOpen 2025-02-01
Series:Egyptian Rheumatology and Rehabilitation
Subjects:
Online Access:https://doi.org/10.1186/s43166-025-00307-7
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author Yasser El Miedany
Maha El Gaafary
Mathias Toth
Sami Bahlas
Waleed Hassan
Safaa Mahran
Mohammed Hassan Abu-Zaid
Ali El Miedany
Walaa Elwakil
author_facet Yasser El Miedany
Maha El Gaafary
Mathias Toth
Sami Bahlas
Waleed Hassan
Safaa Mahran
Mohammed Hassan Abu-Zaid
Ali El Miedany
Walaa Elwakil
author_sort Yasser El Miedany
collection DOAJ
description Abstract Background Polymyalgia rheumatica (PMR) and giant cell arteritis (GCA) frequently overlap, with each disease potentially presenting as a manifestation of the other. The strong relationship between PMR and GCA raises the question of whether it is a “co-occurrence of different diseases” or a “common spectrum of inflammatory diseases.” The objectives of the current study were to assess the applicability of using ultrasound (US) and clinical data as a monitoring tool to identify PMR patients with subclinical GCA and determine possible predictors of GCA among PMR patients. Results One hundred eight PMR patients and 62 GCA patients were included in this study. The study found that 20.4% of the PMR cohort had subclinical GCA, which later progressed to classical GCA, while 31.5% experienced a PMR relapse. The presence of intimal media thickening of the temporal/axillary artery at baseline was a very early predictor of GCA development; the OGUS score was significantly higher in the PMR group who developed GCA than the standard GCA cohort (p < 0.01). Conclusion The key finding of this study is the incorporation of the concept that vascular inflammation mainly precedes the classical clinical manifestations. Routine screening for subclinical GCA in PMR patients should be considered as part of standard care for PMR patients. Physicians should be attentive to the presence of mural inflammatory changes at the time of diagnosis and monitoring of the ultrasound composite scores in the follow-up course.
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spelling doaj-art-798c012862904428b1b9afd8691322c62025-02-09T12:40:44ZengSpringerOpenEgyptian Rheumatology and Rehabilitation2090-32352025-02-015211910.1186/s43166-025-00307-7The spectrum of giant cell arteritis and polymyalgia rheumatica: a longitudinal prospective study to assess for subclinical giant cell arteritis in new onset polymyalgia rheumaticaYasser El Miedany0Maha El Gaafary1Mathias Toth2Sami Bahlas3Waleed Hassan4Safaa Mahran5Mohammed Hassan Abu-Zaid6Ali El Miedany7Walaa Elwakil8Canterbury Christ Church UniversityAin Shams UniversityKing’s College LondonKing’s College LondonBenha UniversityAssiut UniversityTanta UniversityUniversity of East AngliaAlexandria UniversityAbstract Background Polymyalgia rheumatica (PMR) and giant cell arteritis (GCA) frequently overlap, with each disease potentially presenting as a manifestation of the other. The strong relationship between PMR and GCA raises the question of whether it is a “co-occurrence of different diseases” or a “common spectrum of inflammatory diseases.” The objectives of the current study were to assess the applicability of using ultrasound (US) and clinical data as a monitoring tool to identify PMR patients with subclinical GCA and determine possible predictors of GCA among PMR patients. Results One hundred eight PMR patients and 62 GCA patients were included in this study. The study found that 20.4% of the PMR cohort had subclinical GCA, which later progressed to classical GCA, while 31.5% experienced a PMR relapse. The presence of intimal media thickening of the temporal/axillary artery at baseline was a very early predictor of GCA development; the OGUS score was significantly higher in the PMR group who developed GCA than the standard GCA cohort (p < 0.01). Conclusion The key finding of this study is the incorporation of the concept that vascular inflammation mainly precedes the classical clinical manifestations. Routine screening for subclinical GCA in PMR patients should be considered as part of standard care for PMR patients. Physicians should be attentive to the presence of mural inflammatory changes at the time of diagnosis and monitoring of the ultrasound composite scores in the follow-up course.https://doi.org/10.1186/s43166-025-00307-7GCAPMRPROMsUSRelapseSubclinical
spellingShingle Yasser El Miedany
Maha El Gaafary
Mathias Toth
Sami Bahlas
Waleed Hassan
Safaa Mahran
Mohammed Hassan Abu-Zaid
Ali El Miedany
Walaa Elwakil
The spectrum of giant cell arteritis and polymyalgia rheumatica: a longitudinal prospective study to assess for subclinical giant cell arteritis in new onset polymyalgia rheumatica
Egyptian Rheumatology and Rehabilitation
GCA
PMR
PROMs
US
Relapse
Subclinical
title The spectrum of giant cell arteritis and polymyalgia rheumatica: a longitudinal prospective study to assess for subclinical giant cell arteritis in new onset polymyalgia rheumatica
title_full The spectrum of giant cell arteritis and polymyalgia rheumatica: a longitudinal prospective study to assess for subclinical giant cell arteritis in new onset polymyalgia rheumatica
title_fullStr The spectrum of giant cell arteritis and polymyalgia rheumatica: a longitudinal prospective study to assess for subclinical giant cell arteritis in new onset polymyalgia rheumatica
title_full_unstemmed The spectrum of giant cell arteritis and polymyalgia rheumatica: a longitudinal prospective study to assess for subclinical giant cell arteritis in new onset polymyalgia rheumatica
title_short The spectrum of giant cell arteritis and polymyalgia rheumatica: a longitudinal prospective study to assess for subclinical giant cell arteritis in new onset polymyalgia rheumatica
title_sort spectrum of giant cell arteritis and polymyalgia rheumatica a longitudinal prospective study to assess for subclinical giant cell arteritis in new onset polymyalgia rheumatica
topic GCA
PMR
PROMs
US
Relapse
Subclinical
url https://doi.org/10.1186/s43166-025-00307-7
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