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SPINART study : val...
SPINART study : validation of the extended magnetic resonance imaging scale for evaluation of joint status in adult patients with severe haemophilia A using baseline data
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- Hong, W. (författare)
- Bayer Pharma AG
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- Raunig, D. (författare)
- ICON Medical Imaging
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- Lundin, B. (författare)
- Lund University,Lunds universitet,Diagnostisk radiologi, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Diagnostic Radiology, (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine,Skåne University Hospital
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(creator_code:org_t)
- 2016-09-19
- 2016
- Engelska.
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Ingår i: Haemophilia. - : Wiley. - 1351-8216 .- 1365-2516. ; 22:6, s. 519-526
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http://dx.doi.org/10... (free)
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Introduction: Most previous joint imaging scales for haemophilia have focused on earlier disease stages observed in younger patients. Aim: We sought to demonstrate that the 45-item extended magnetic resonance imaging (eMRI) scale is a valid instrument for measuring joint status in adults with severe haemophilia A. Methods: Six scale categories (effusion/haemarthrosis, synovial hypertrophy, hemosiderin, erosion, subchondral cysts and cartilage loss) in two domains (soft tissue [range = 0–9] and osteochondral [range = 0–36]) were evaluated for each joint. eMRI scores were derived using baseline data from a randomized, controlled, parallel-group clinical trial (SPINART). Quantitative analysis of linearity included assessments of the relationship between scores derived from the eMRI scale vs. the 17-point International Prophylaxis Study Group (IPSG) MRI scale and Colorado Adult Joint Assessment Scale (CAJAS). Results: Patient eMRI scores correlated with age (r = 0.58), consistent with the expectation of arthropathy progression and more severe joint changes in older patients. eMRI scores demonstrated excellent between-reader agreement for overall patient score (intraclass correlation coefficient [ICC] = 0.88) and outstanding agreement for knee evaluations (ICC = 0.95). There was a strong linear relationship of the eMRI score with the CAJAS (r = 0.7). Adding individual bone evaluations for each joint increased the sensitivity of the instrument to detect change at low scores. There was minimal ceiling effect (5% maximum scores for all evaluated joints) compared with the IPSG MRI scale (20%). Internal reliability was good (overall Cronbach's alpha = 0.75). Conclusions: Overall, the eMRI scale represents a valid and reliable measure of joint status in adolescents and adults with severe haemophilia A.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Hematologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Hematology (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Radiologi och bildbehandling (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Radiology, Nuclear Medicine and Medical Imaging (hsv//eng)
Nyckelord
- arthropathy
- haemophilia
- joint
- magnetic resonance imaging
- rating scale
- recombinant factor VIII
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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