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Hemophilia is a congenital coagulopathy characterized by a deficiency of one of the clotting factors. It is characterized by the development of hematomas and hemarthrosis, either spontaneously or after minor trauma. The recurrence of hemarthroses leads to progressive and degenerative joint damage from childhood (hemophilic arthropathy). This arthropathy is characterized by disabling physical effects that limit the functionality and quality of life of these patients. Medical progress achieved over the last decade in the drug treatment of hemophilia has improved the medium and long-term prospects of patients with more effective and long-lasting drugs. The universal use of safer, more effective and prolonged prophylactic treatments may promote the prevention of bleeding, and also therefore, of the development of hemarthrosis and joint damage. A number of imaging instruments have been developed for the assessment of hemarthrosis and hemophilic arthropathy, using ultrasound, magnetic resonance imaging and simple radiology. Different physical examination scores and questionnaires allow the assessment of joint health, self-perceived activity and functionality of patients with hemophilia. The approach to these patients should be interdisciplinary. Assessment of the processes that affect pain in these patients and the development of pain education models should be implemented. Expert advice and information to patients with hemophilia should be based on individual functional prevention diagnoses, advice on available therapies and sports practice, as well as health recommendations.

Purpose Virtual reality (VR) technology used in experiential learning through simulation requires a high level of immersion and identification with characters to influence the learning outcomes and the expected level of interactivity. This study aimed to measure the empathy and identification with characters of experiential learning through an simulation based on immersive 360º virtual reality among physical therapy students corresponding to the different steps of a patient suffering from a stroke.Methods Spanish physical therapy students participated in a cross-sectional study watching a 360º filmation based on an immersive VR program called ¨Put yourself in my shoes¨. Identification with characters was evaluated with the self-applied scale of identification with the characters of fictional audiovisual stories (Escala De Identificación [EDI] Scale). A descriptive analysis and statistical differences between gender and Spanish language level in items was performed.Results Most of participants presented high values of identification with characters of EDI Scale. The results analysed in the different dimensions (affective empathy, cognitive empathy, feeling concern for their situation, and ability to fantasize or imagine) of this scale also present high values in participants regardless of gender or language level.Conclusion The implementation of simulation scenarios based on immersive VR technology as ¨Put yourself into my shoes¨ (¨Ponte en mis zapatos¨ ®) is considered by Spanish physical therapy students as a program that presents a high rate of identification with characters and empathy.

Background Patients with haemophilic arthropathy suffer chronic pain that affects and restricts their quality of life. Visualization of movement through immersive virtual reality is used for pain management. Aim To evaluate the efficacy of 180-degree immersive VR motion visualization therapy in patients with haemophilic ankle arthropathy. Methods Prospective, multicentre pilot study. Fifteen adult patients with bilateral haemophilic ankle arthropathy were recruited (mean age: 42.73 ± 12.36 years). The intervention lasted 4 weeks, with daily home sessions of 180-degree immersive motion visualization. The patients were given virtual reality glasses to use with their smartphones. From the YouTube mobile app® they accessed the recorded video with access from the He-Mirror App®. The study variables were joint state (Haemophilia Joint Health Score), pressure pain threshold (pressure algometer), muscle strength (dynamometry) and range of motion (goniometry). Three evaluations were performed: at baseline (T0), after the intervention (T1) and at the end of a 16-week follow-up period (T2). Results No patient developed ankle hemarthrosis during the experimental phase. In the repeated measures analysis we found statistically significant differences in joint state (F = 51.38; η2p = .63), pressure pain threshold of the lateral malleolus (F = 12.34; η2p = .29) and range of motion (F = 11.7; η2p = .28). Conclusions Therapy using immersive motion visualization does not cause hemarthrosis. This intervention can improve joint condition, pressure pain threshold and range of motion in patients with ankle arthropathy. Changes greater than the MDC were reported in more than 40% of patients for the variables pressure pain threshold, anterior tibialis strength and range of motion, which were considered clinically relevant. Sin financiación 4.268 JCR (2021) Q2, 34/78 Hematology 1.449 SJR (2021) Q1, 19/96 Genetics (clinical) No data IDR 2021 UEM

Background: Hemarthrosis is a typical clinical manifestation in patients with hemophilia. Its recurrence causes hemophilic arthropathy, characterized by chronic joint pain. Watching movement recorded from a first-person perspective and immersively can be effective in the management of chronic pain. The objective of this study was to evaluate the effectiveness of an immersive virtual reality intervention in improving the pain intensity, joint condition, muscle strength and range of motion in patients with hemophilic knee arthropathy. (2) Methods: Thirteen patients with hemophilic knee arthropathy were recruited. The patients wore virtual reality glasses and watched a flexion–extension movement of the knee on an immersive 180° video, recorded from a first-person perspective over a 28-day period. The primary variable was the pain intensity (visual analog scale). The secondary variables were the joint status (Hemophilia Joint Health Score), quadriceps and hamstring strength (dynamometry), and range of motion (goniometry). (3) Results: After the intervention period, statistically significant differences were observed in the intensity of the joint pain (Standard error [SE] = 19.31; 95% interval confidence [95%CI] = −1.05; −0.26), joint condition (SE = 18.68; 95%CI = −1.16; −0.52) and quadriceps strength (SE = 35.00; 95%CI = 2.53; 17.47). We found that 38.46% and 23.07% of the patients exhibited an improvement in their quadriceps muscle strength and joint condition above the minimum detectable change for both variables (8.21% and 1.79%, respectively). (4) Conclusions: One hundred and eighty degree immersive VR motion visualization can improve the intensity of joint pain in patients with hemophilic knee arthropathy. An intervention using immersive virtual reality can be an effective complementary approach to improve the joint condition and quadriceps strength in these patients. Sin financiación 4.964 JCR (2021) Q2, 55/172 Medicine, General & Internal 1.040 SJR (2021) Q1, 438/2489 Medicine (miscellaneous) No data IDR 2021 UEM

Prophylactic treatment is the gold standard in the treatment of patients with haemophilia. Prophylaxis with extended half-life (EHL) treatment has shown long-term safety and efficacy in patients with haemophilia.To evaluate the efficacy of prophylaxis with EHL treatment in the frequency of haemarthrosis and musculoskeletal health in adult patients with severe haemophilia A.Prospective cohort study. Forty-six patients with severe haemophilia A were recruited. The frequency of haemarthrosis (self-reports), joint condition (Haemophilia Joint Health Score), pain intensity (visual analogue scale), range of motion (goniometry), and strength (dynamometry) and muscle activation (surface electromyography) were evaluated. Three assessments were carried out: at baseline (T0), at 6 months (T1) and at 12 months following treatment (T2).There were significant changes in the within-subject effect in the frequency of haemarthrosis in elbow (F(1.05;96.20) = 3.95; P.001) and knee (F(1.73;157.99) = 9.96; P.001). Significant within-subject effect in elbow pain intensity (F(2;182) = 63.51; P.001) was found. The mean values of the frequency haemarthrosis in elbow (from .66±1.01 to .04±.20) and knees (from .55±.68 to .33±.53) decrease after the period study. The intensity of elbow pain and (from 3.08±1.69 to 2.67±1.73), decrease after the 12-month follow-up period.Prophylaxis with extended half-life treatment reduces the frequency of haemarthrosis in elbow and knee in adult patients with haemophilia. EHL treatment reduces the intensity of elbow pain in patients with haemophilic arthropathy.

Background Pain is a major characteristic in haemophilic arthropathy. Identifying the psychosocial variables affected by pain can help when addressing these patients. Aim To assess the relationship between perceived intensity of chronic pain and joint damage, kinesiophobia, catastrophism, anxiety and perceived quality of life in adult patients with haemophilic arthropathy. Methods Multicentre cross-sectional descriptive study. Seventy-seven adult patients with haemophilic arthropathy were recruited. The usual and maximum pain intensity (Visual Analog Scale), joint status (Haemophilia Joint Health Score), Kinesiophobia (Tampa Scale of Kinesiophobia), catastrophism (Pain catastrophizing scale), anxiety (State-Trait Anxiety inventory) and perceived quality of life (36-Item Short Form Health Survey) were evaluated. The correlation between usual and maximum pain intensity with quantitative variables was obtained with Spearman`s correlation test. Kruskal-Wallis one-way ANOVA analysed differences in perceived pain according to the severity and type of treatment, and development of inhibitors. Results The usual intensity of perceived pain correlated positively with catastrophism, kinesiophobia, and state and trait anxiety. The same results were obtained when analysing the maximum perception of pain. We found an inverse correlation between the physical component of perceived quality of life and usual and maximum pain intensity perceived by patients. Conclusion Psychosocial factors affect the painful experience of patients with haemophilic arthropathy. Pain intensity affects the quality of life of these patients. Sin financiación 4.268 JCR (2021) Q2, 34/78 Hematology 1.449 SJR (2021) Q1, 19/96 Genetics (clinical) No data IDR 2021 UEM

Haemophilic knee arthropathy presents functional and structural alterations and chronic pain. Self-induced myofascial release aims to treat fascial restrictions and improve functionality.This study investigated the safety and effectiveness of a self-induced myofascial release protocol in patients with haemophilic knee arthropathy.Twenty-five patients with bilateral haemophilic knee arthropathy were recruited (n = 50 knees). The patients followed an intervention protocol, with daily exercises for 8 weeks. The dependent variables were: safety of the technique (periodic telephone monitoring), joint state (Haemophilia Joint Health Score), pain intensity (visual analogue scale), pressure pain threshold (pressure dynamometer), range of motion (universal goniometer) and hamstring flexibility (Fingertip-To-Floor test). The resulting values were measured at baseline (T0) and after the intervention (T1). Paired t-test compared the means between the assessments. Effect size was obtained using Cohen's d mean difference formula. The minimum detectable change of each variable was calculated.There were no cases of joint bleeding either during or after the procedure. The results showed improvements after the experimental period in joint state (Mean difference [MD]: 1.38; 95% confidence interval [95%CI]: .94;1.81), pain intensity (MD: 1.19; 95%CI: .70;1.67), pressure pain threshold (MD: -23.25; 95%CI: -26.25;-19.84), flexion (MD: -4.36; 95%CI: -5.70;-3.01), loss of extension (MD: 4.10; 95%CI: 3.01;5.18) and hamstring flexibility (MD: 3.54; 95%CI: 2.61;4.46).Myofascial self-release using a foam roller is safe in patients with haemophilic knee arthropathy. A myofascial self-release protocol can improve perceived pain, range of motion and knee joint status, as well as hamstring flexibility in patients with haemophilic knee arthropathy.

(1) Background: Hemophilic knee arthropathy is characterized by a loss of muscle mass and decreased strength of the quadriceps muscle. The visualization of movement aims to favor the recruitment of the motor system in the same premotor and parietal areas, as would happen with the active execution of the observed action. The aim was to evaluate changes in quadriceps activation in patients with hemophilic knee arthropathy following immersive VR visualization of knee extension movements. (2) Methods: We recruited 13 patients with severe hemophilia A and knee arthropathy. Patients underwent a 15 min session of immersive VR visualization of knee extension movements. The quadriceps muscle activation was evaluated by surface electromyography. (3) Results: After the intervention, there were no changes in the muscle activation of vastus medialis, vastus lateralis, or rectus femoris muscles. There was a large effect size of changes in rectus femoris muscle activation. Age and knee joint damage did not correlate with changes in quadriceps activation. Dominance, inhibitor development, and type of treatment were not related with post-intervention muscle activation. (4) Conclusions: A session of immersive VR visualization of knee extension movement does not modify quadriceps muscle activation. A specific protocol for patients with hemophilic knee arthropathy may be effective in improving the activation of the rectus femoris muscle.

(1) Background. The lockdown period due to the COVID−19 pandemic has drastically decreased levels of physical activity in the population. Hemophilia is characterized by hemarthrosis that leads to chronic, progressive and degenerative joint deterioration. (2) Methods. This observational study recruited 27 patients with hemophilia and arthropathy. Knee, ankle and elbow joints were assessed. The frequency of clinical hemarthrosis, pain intensity, pressure pain threshold, and joint ROM were evaluated. (3) Results. Following lockdown, a significant deterioration of joint condition, perceived joint pain and range of motion was noted in all joints. There were no changes in the frequency of knee hemarthrosis, while the frequency of ankle hemarthrosis significantly reduced. However, the frequency of elbow hemarthrosis increased. Depending on the degree of hemophilia severity, there were changes in pressure pain threshold in the elbow and in pain intensity and range of motion of the ankle joint. According to the type of treatment, i.e., prophylaxis vs. on-demand treatment, there were differences in the joint condition in elbows and the plantar flexion movement of the ankle. There were no differences in the knee joint based on the severity of the disease, the type of treatment or the development of inhibitors (4). Conclusions. Because of the COVID−19 lockdown, the musculoskeletal status of patients with hemophilia deteriorated. Joint condition, perceived pain, and range of motion were significantly affected. The frequency of clinical hemarthrosis did not increase during this period. A more active therapeutic model could prevent rapid deterioration in patients with hemophilic arthropathy during prolonged sedentary periods.

Background Recurrent hemarthrosis that begin in childhood lead to progressive joint deterioration. Patients with haemophilia have chronic pain, functional disability and a reduced perception of health-related quality of life. Purpose To analyse the perceived quality of life of adult patients with haemophilic arthropathy and its relationship with pain, joint condition, kinesiophobia and catastrophism. Methods Eighty-three adult patients with haemophilia were included in this multicentre, cross-sectional, descriptive study. Perceived quality of life (36-Item Short Form Health Survey), perceived usual and maximum pain (visual analogue scale), joint condition (Haemophilia Joint Health Score), kinesiophobia (Tampa Scale of Kinesiophobia) and catastrophism (Pain Catastrophizing Scale) were assessed. Sociodemographic, clinical and therapeutic variables and drug consumption for pain control were collected. Descriptive statistics used means and standard deviations. The correlation of quality of life with the dependent variables was calculated with the Pearson correlation test. The differences in quality of life as a function of the binomial variables were calculated with Student’s t-test for independent samples. Results Physical component of quality of life perceived by patients with hemophilia is lower than Spanish population (30.51 VS 48.85). Regarding the mental component, patients with hemophilia showed higher values (56.07 VS 49.97). Catastrophism correlated (p p r = -.18; p > .05). Habitual and maximal joint pain correlated with all items except to role-emotional (r = − .19 and r = − .09, respectively) and mental component score (r = − .16 and r = − .07, respectively). Catastrophism and weekly drug intake were inversely correlated with quality of life. Age was positively correlated with perceived quality of life. There were differences in quality of life as a function of the severity of haemophilia and the intake of drugs for pain control. Conclusions The perceived quality of life of adult patients with haemophilia is worse than that of the Spanish population. Pain, kinesiophobia, catastrophism, haemophilia severity and the intake of pain-control medication influence the quality of life of these patients.