Bone changes in early inflammatory arthritis assessed with High-Resolution peripheral Quantitative Computed Tomography (HR-pQCT): A 12-month cohort study - 11/02/21
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| pages | 8 |
| Iconographies | 5 |
| Vidéos | 0 |
| Autres | 0 |
Highlights |
• | This is the first study to investigate the utility of HR-pQCT in early inflammatory arthritis patients in a longitudinal cohort. |
• | HR-pQCT can detect bone damage that is undetectable by conventional radiography. |
• | Gradual degradation of JSW, proportional to symptom duration, suggests EIA patients should be closely monitored for disease progression. |
Abstract |
Objectives |
Erosion development is of crucial significance as it impacts prognosis and therapy decisions in patients with inflammatory joint diseases. Our study aimed to determine the sensitivity of high-resolution peripheral quantitative computed tomography (HR-pQCT) to detect change of bone surface over time and to identify erosion development in early inflammatory arthritis (EIA) patients. Moreover, the contribution of prognostic factors on periarticular bone damage in the first year of diagnosis assessed by HR-pQCT was explored.
Methods |
46 patients with arthritic symptoms for less than one year, and a clinical diagnosis of inflammatory arthritis were prospectively imaged at baseline and 12-months. HR-pQCT scans of the 2nd and 3rd MCP joints and CR of the hands and feet were performed. Joint space width (JSW), total bone mineral density (Tt.BMD), erosion presence and volume were assessed with HR-pQCT. Scan-rescan precision was assessed to define an individual-level least significant change (LSC) criterion. Regression analyses explored prognostic factors for bone damage progression.
Results |
We observed no significant group-level changes in JSW, Tt.BMD or erosion volume. 20% or fewer joints demonstrated individual-level changes greater than the LSC criterion for mean JSW, Tt.BMD and erosion volume. HR-pQCT detected more erosions than CR in the 2nd and 3rd MCP. Increased symptom duration at diagnosis was weakly associated (P<0.10) with lower JSW minimum and higher JSW standard deviation.
Conclusions |
Gradual degradation of JSW, proportional to symptom duration, was detected by HR-pQCT. EIA patients need to be closely monitored for exacerbation of arthritis and progression of periarticular bone damage.
Le texte complet de cet article est disponible en PDF.Keywords : Early inflammatory arthritis, Rheumatoid arthritis, High resolution peripheral quantitative computed tomography (HR-pQCT), Bone erosions, Bone mineral density
Plan
Vol 88 - N° 1
Article 105065- janvier 2021 Retour au numéro
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