Most health care professionals involved in the management of people with haemophilia (PWH) believe that exercise is beneficial and its practice is widely encouraged. This article aims to demonstrate that appropriate exercise (adapted to the special needs of the individual PWH) may be beneficial for all PWH through improved physical, psychosocial and medical status. Based on evidence gathered from the literature, many PWH, particularly those using long-term prophylaxis or exhibiting a mild/moderate bleeding phenotype, are as active as their healthy peers. PWH experience the same benefits of exercise as the general population, being physically healthier than if sedentary and enjoying a higher quality of life (QoL) through social inclusion and higher self-esteem. PWH can also gain physically from increased muscle strength, joint health, balance and flexibility achieved through physiotherapy, physical activity, exercise and sport. Conversely, very little data exist on activity levels of PWH in countries with limited resources. However, regarding specific exercise recommendations in PWH, there is a lack of randomized clinical trials, and consequently formal, evidence-based guidelines have not been produced. Based on published evidence from this review of the literature, together with the clinical experience of the authors, a series of recommendations for the safe participation of PWH in regular physical activities, exercises and sport are now proposed. In summary, we believe that appropriately modified programmes can potentially allow all PWH to experience the physical and psychosocial benefits of being physically active which may ultimately lead to an improved QoL.

Patients with severe haemophilia A growing up before the establishment of prophylactic treatment frequently developed significant haemarthropathies. The goal of the following study was to clarify the role of haemarthropathic pain for haemophilic patients. Furthermore, we aimed to determine to what degree daily activities are influenced by the impairment and which therapeutic modalities are used in pain management. Using a questionnaire we consulted 71 haemophiliacs concerning their complaints and how they were treated in 1999 (average age 43 years; range 21-63 years). The pain in the large joints and spine and the effect of specific treatment was estimated by a visual analogue scale. On average, there were four joints with major pain and 0.5 with minor pain. The most frequent sources of pain were the ankle joints (45%), followed by the knee (39%), spine (14%) and elbow (7%). Fifty percent of all patients complained of pain throughout the day if no treatment was applied. In 29% of patients, pain persisted after application of factor VIII (FVIII), while 12% claimed that pain still remained after use of FVIII and pain killers. Restriction in activities of daily life was reported by 89% of the group and 85% reported on an impact of pain on their mood. Patients primarily used FVIII to decrease pain, followed in frequency by use of anti-inflammatory drugs, orthopaedic footwear, liniments and bandages. Haemophilic patients with haemarthropathy are chronic pain patients. By means of the questionnaire, it is possible to reveal the 'silent' sufferers. Sufficient pain treatment is essential so as to increase the patient's quality of life and avoid inadvertent abnormal postures possibly resulting in increased loading of joints and subsequent bleeding episodes.

Summary.  Adolescence is characterized by simultaneous physical, psychological, social and sexual changes that compound the challenges faced by parents, health care providers and adolescent haemophilia patients themselves. Compliance with prophylactic factor replacement therapy frequently declines when patients pass from childhood to adolescence. Familiarity with long‐term joint damage is lacking among the current generation of children who have grown up with prophylactic treatment and the tendency of teenagers to focus primarily on short‐term goals increases the likelihood that regular prophylactic replacement therapy receives low priority. Most adolescents continue prophylactic treatment prior to physical or social activities because short‐term goals are more likely to be perceived as relevant. The most important factor that influences compliance is support from parents, peers and caregivers, who provide encouragement and support active participation in health care management. During adolescence, personalized treatment strategies that suit the patient and his lifestyle are essential to ensure optimal outcomes. Physical activity is important for all adolescents and can contribute to better coordination, endurance, flexibility and strength. Physical training also contributes to healthier joints and reduces the risk of bleeding episodes in teenagers with haemophilia; however, the selection of an appropriate sport that minimizes the risk of injury and matches the patient’s skill and needs is important. Children with haemophilia may have disease‐related functional deficits and often exhibit subclinical findings in the joints; therefore an orthopaedic examination, fitness check and motion analysis may assist in guiding preventive physiotherapy and the choice of sport.

Persons with haemophilia should not feel limited in their ability to participate in sports. After consultation with a physician or other health-care provider and with a proper understanding of the risks involved and the strategies for managing these risks, patients with haemophilia can - and should - enjoy physical activities. We have analysed numerous reports of sports injury statistics and used them to rank a variety of sports according to their degree of injury risk. In addition, we have developed a brief orthopaedic examination and a five-item fitness check that evaluates the level of physical fitness of patients with haemophilia. Using these tools, we can appropriately recommend specific sports activities best suited for each patient. In addition, we recommend that patients who regularly participate in sports maintain adequate levels of clotting factor through the use of regular prophylaxis. With proper physical evaluation and preparation, patients with haemophilia can realize the physical and emotional benefits of participation in sports.

Haemophilic patients who reached adulthood before the establishment of prophylactic treatment frequently show multiple and substantial arthropathies. The aim of this study was to determine to what extent haemophiliac's subjective impairment due to arthropathies correlates with objective clinical and radiographic parameters. By means of a questionnaire and a visual analogue scale, we consulted 79 haemophiliacs concerning their joint-pain status, how these were treated and to what extent their daily activities had been affected. Using a scoring system suggested by the Advisory Committee of the World Federation of Haemophilia, clinical evaluation was performed. Radiographs of 60 patients were assessed by means of the Petterson scale. The results were statistically compared. We found a significant correlation between pain intensity and clinical pathology as well as between pain intensity and radiographic joint damage for both knees and for the right ankle. The number of painful joints correlated well with the number of clinically/radiographically affected joints. The more pronounced the objective damage to joints, the more frequently patients claimed to have constant pain, depressive episodes and a dependency on pain-relieving medication. The more pronounced the objectively assessed damage to the knee and ankle joint, the higher the likelihood that the patient suffers from severe joint pain and reduction of activity. Treatment of painful symptoms from arthropathies is often insufficient. Scores and questionnaires may help to define the haemophiliacs pain status more clearly, thereby offering a possibility of assessment and long-term observation.

Hyaluronic acid has been used successfully in the treatment of osteoarthritis since 1989. There is no experience in haemophiliacs in larger study groups. In a prospective study, 20 patients (21 knees) with haemophilic arthropathy of the knee received 20 mg hyaluronic acid by intra-articular injection for 5 consecutive weeks. Assessment included clinical scores, X-ray, magnetic resonance imaging (MRI) and biomechanical motion analysis before and 3 months after the first injection. The score of the WFH advisory committee and the Aichroth score for special evaluation of the knee were used. After an average period of 26 months, the World Federation of Hemophilia (WFH) score, the Aichroth score and the visual analogue scale were evaluated again. All patients had pain caused by their arthropathy, nine of them had positive antibodies to human immunodeficiency virus, and 15 had chronic hepatitis C. The mean WFH score was 8.1 points, the Petterson score was 7.3 points and the Aichroth score was 38 points (maximum 55 points). The WFH score decreased to 7.3 points, the Aichroth score improved to 40 points and the subjective assessment measured with a visual analogue scale improved from 5.3 to 3.7 points. No differences from MRI controls were detected. After 3 months, 14 of 20 patients improved subjectively, particularly in longer walking distance, stair-climbing or initial pain. These positive aspects were limited by arthropathy in adjacent joints. After 26 months 10 patients still are benefiting for up to 31 months follow-up. The average WFH score was 7.3 points, the Aichroth score 39 points, the visual analogue scale 4.0 points. We recommend hyaluronic acid for haemophilic arthropathy of the knee when regular conservative therapy has failed and operative treatment is not feasible.

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Summary Quadriceps weakness seems to be a hallmark in adult persons with severe haemophilia (PWH). The purpose of this study was to compare PWH and non‐haemophilic controls in different age stages with reference to joint status and quadriceps strength. Further aims were to examine the extent of strength‐specific inter‐extremity‐difference (IED) and the prevalence of abnormal IED (AIED). A total of 106 adults with severe haemophilia (H) and 80 controls (C) had undergone an orthopaedic examination for classification of knee and ankle status using the WFH score. Quadriceps strength was evaluated unilaterally as well as bilaterally with a knee extensor device. Each group was divided into four age‐related subgroups (HA/CA: 18–29, HB/CB: 30–39, HC/CC: 40–49, HD/CD: 50–70; in years). H presented a worse knee and ankle status than C indicated by higher WFH scores (P < 0.01). Regarding the age‐matched subgroups only HB showed higher knee scores than CB (P < 0.05). The ankles were clinically more affected in HB‐HD compared with those in age‐matched controls (P < 0.05). H showed lower quadriceps strength than C (P < 0.05). In addition, all subgroups of H presented lower strength (HA: 10–17, HB: 19–23, HC: 35–36, HD: 53–61; in%, P < 0.05). IED was higher in H than in C [H: 12.0 (5.3/32.2) vs. C: 7.1 (2.9/10.9); Median (quartiles) in%, P < 0.001] and increased with age in H. We discovered an AIED in 35% of H. These findings highlight the importance for the early implementation of preventive and rehabilitative muscle training programmes in the comprehensive treatment of PWH.