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Rheumato, Volume 5, Issue 2 (June 2025) – 3 articles

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16 pages, 3529 KiB  
Article
Comparison of Hip Abductor Muscle Composition and Its Age-Related Alterations Between Female Patients with Unilateral and Bilateral Osteoarthritis of the Hip
by Tadashi Yasuda, Satoshi Ota, Sadaki Mitsuzawa, Shinnosuke Yamashita, Yoshihiro Tsukamoto, Hisataka Takeuchi and Eijiro Onishi
Rheumato 2025, 5(2), 6; https://doi.org/10.3390/rheumato5020006 - 15 May 2025
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Abstract
Objectives: This study aimed to compare hip abductor muscle composition and its age-related alterations between female patients with unilateral and bilateral osteoarthritis (OA) of the hip. Methods: This study enrolled 57 and 43 female patients with unilateral and bilateral advanced OA, respectively. Muscle [...] Read more.
Objectives: This study aimed to compare hip abductor muscle composition and its age-related alterations between female patients with unilateral and bilateral osteoarthritis (OA) of the hip. Methods: This study enrolled 57 and 43 female patients with unilateral and bilateral advanced OA, respectively. Muscle composition of the glutei medius and minimus and the upper portion of the gluteus maximus was evaluated by computed tomography for planning unilateral total hip arthroplasty. The cross-sectional area ratio of the individual composition to the total muscle was calculated. Correlation coefficients were calculated to determine associations between age and muscle composition variables. Results: Comparison of hip abductor muscle composition between the affected and the contralateral sides in unilateral OA patients showed increased fatty infiltration in the muscles around the affected joint. Comparison of the composition around bilateral OA between the joint scheduled for operation and the contralateral joint demonstrated enhanced fatty infiltration in the glutei medius and minimus but no increase in the gluteus maximus around the operation-scheduled joint. Comparison of muscle composition between unilateral and bilateral OA demonstrated similar fatty infiltration around the operation-scheduled joint whereas there was increased fatty infiltration around the contralateral joint of bilateral OA. Significant association was found between age and hip abductor muscle composition around both sides of unilateral OA. However, there was no association between age and hip abductor muscle composition around both sides of bilateral OA. Conclusions: There were significant differences in hip abductor muscle composition and its age-related alterations between female patients with unilateral and bilateral OA. Full article
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18 pages, 904 KiB  
Review
Hemophilic Arthropathy—Pathophysiology and Advances in Treatment
by Katarina Kovač, Ivan Ljudevit Caktaš, Nataša Kalebota and Porin Perić
Rheumato 2025, 5(2), 5; https://doi.org/10.3390/rheumato5020005 - 24 Apr 2025
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Abstract
Hemophilia is an X-linked genetic disorder that predominantly affects males, with females typically serving as asymptomatic carriers. Hemophilia A results from a deficiency or dysfunction of coagulation factor VIII, while a deficiency in factor IX causes hemophilia B. A less common condition, factor [...] Read more.
Hemophilia is an X-linked genetic disorder that predominantly affects males, with females typically serving as asymptomatic carriers. Hemophilia A results from a deficiency or dysfunction of coagulation factor VIII, while a deficiency in factor IX causes hemophilia B. A less common condition, factor XI deficiency (formerly hemophilia C), is categorized as a rare bleeding disorder. The severity of hemophilia is classified based on the activity concentration of factors VIII and IX: severe (<1 IU/dL), moderate (1–5 IU/dL), and mild (6–<40 IU/dL). One of the most prevalent complications of hemophilia is hemarthrosis, bleeding into joint cavities, which, if unrecognized or untreated, can lead to hemophilic arthropathy. The pathophysiology of hemophilic arthropathy involves two key mechanisms: the accumulation of iron from blood in synovial joints, which cannot be cleared due to repeated bleeding, and the inflammatory response, resulting in synovial hyperplasia and the progressive destruction of cartilage and bone. Hemophilic arthropathy significantly impairs quality of life, causing chronic pain, joint deformities, and sometimes requiring surgical intervention. This thesis will examine the pathophysiology and management strategies for hemophilic arthropathy. Full article
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13 pages, 631 KiB  
Article
The Shortened Version of the Profile of Mood States: A Reliable and Valid Measure of Emotional Functioning for Chronic Pain Patients
by Celia María López-Jiménez, Francisco Javier Cano-García, Susana Sanduvete-Chaves and Salvador Chacón-Moscoso
Rheumato 2025, 5(2), 4; https://doi.org/10.3390/rheumato5020004 - 16 Apr 2025
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Abstract
Background: Although the Profile of Mood States has been proposed by the Initiative on Methods, Measurement, and Pain Assessment in Clinical Trials (IMMPACT) to measure emotional functioning in chronic pain patients, it has not yet been validated in these patients. Objective: To confirm [...] Read more.
Background: Although the Profile of Mood States has been proposed by the Initiative on Methods, Measurement, and Pain Assessment in Clinical Trials (IMMPACT) to measure emotional functioning in chronic pain patients, it has not yet been validated in these patients. Objective: To confirm the factor structure and internal consistency of the Shortened Version of the Profile of Mood States (37 items) in patients with chronic pain. Methods: A confirmatory factor analysis (CFA) was conducted to test the theoretical structure of six factors that result in a Total Mood Disturbance episode: Tension–Anxiety (six items), Depression–Dejection (eight items), Anger–Hostility (seven items), Vigor–Activity (six items), Fatigue–Inertia (five items), and Confusion–Bewilderment (five items). Participants: A total of 588 patients with chronic pain from Spanish primary care health and community centers completed the questionnaire. Results: The factors presented adequate reliability coefficients, McDonald’s Omega (ω) between 0.77 and 0.91, and appropriate average discrimination indexes (D), ranging from 0.35 to 0.67. The Total Mood Disturbance yielded excellent results, ω = 0.95, D = 0.61. The original structure was confirmed, ECVI = 4.361 (saturated ECVI = 2.395; independent ECVI = 21.855); RMSEA = 0.070, 90% CI [0.067, 0.072]; GFI = 0.974; AGFI = 0.971; CFI = 0.853; NFI = 0.812; and NNFI = 0.843. Conclusions: The Shortened Version of the Profile of Mood States has been proven to be a valid and reliable measure of emotional functioning in chronic pain patients. Full article
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