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Purpose: Exercise therapy is an effective intervention in a variety of chronic diseases. The prescription of exercise therapy is usually directed toward an index disease. The presence of comorbidity may require adaptations to the exercise program as intended for the index disease. This paper aims to structure the clinical reasoning process of health professionals when prescribing exercise therapy for the individual patient with an index disease and comorbidity. Methods: We adapted the previously published strategy for developing guidelines and protocols on comorbidity-adapted exercise to a version that can be used for individual exercise prescription. Results: Essential steps and considerations involved in prescribing an exercise program to an individual patient with comorbidity are described. A case description is used as an example of how the proposed strategy leads to clinical decisions. Conclusions: The proposed strategy may have a role in educational and professional development. The advanced clinical expertise needed for safe and effective exercise therapy in patients with a complex health status is emphasized. The presence of comorbidity may require adaptations to exercise therapy. We describe the essential steps and considerations involved in prescribing an exercise program to an individual patient with an index disease and comorbidity. The proposed strategy can be used to structure the clinical reasoning process of health professionals. [ABSTRACT FROM AUTHOR]

Objective: To evaluate the efficacy on physical functioning and safety of tailored exercise therapy in patients with knee osteoarthritis (OA) and comorbidities.Methods: In a randomized controlled trial, 126 participants were included with a clinical diagnosis of knee OA and at least 1 of the following target comorbidities: coronary disease, heart failure, type 2 diabetes mellitus, chronic obstructive pulmonary disease, or obesity (body mass index ≥30 kg/m2 ), with severity score ≥2 on the Cumulative Illness Rating Scale. The intervention group received a 20-week, individualized, comorbidity-adapted exercise program consisting of aerobic and strength training and training of daily activities. The control group received their current medical care for knee OA and were placed on a waiting list for exercise therapy. Primary outcome measures were the Western Ontario and McMaster Universities Osteoarthritis Index, subscale physical functioning (WOMAC-pf), and the 6-minute walk test (6MWT). Measurements were performed at baseline, after 20 weeks (directly posttreatment), and at 3 months posttreatment.Results: Statistically significant physical functioning differences over time were found between the intervention and control group (WOMAC: B = -7.43 [95% confidence interval (95% CI) -9.99, -4.87], P < 0.001; and 6MWT: B = 34.16 [95% CI 17.68, 50.64], P < 0.001) in favor of the intervention group. At 3 months followup, the mean improvements in the intervention group were 33% on the WOMAC scale and 15% on the 6MWT. These improvements are of clinical relevance. No serious adverse events occurred during the intervention.Conclusion: This is the first study showing that tailored exercise therapy is efficacious in improving physical functioning and safe in patients with knee OA and severe comorbidities. [ABSTRACT FROM AUTHOR]

Objective: To systematically summarize the literature on the course of pain in patients with knee osteoarthritis (OA), prognostic factors that predict deterioration of pain, the course of physical functioning, and prognostic factors that predict deterioration of physical functioning in persons with knee OA.Methods: A search was conducted in PubMed, CINAHL, Embase, Psych-INFO, and SPORTDiscus up to January 2014. A meta-analysis and a qualitative data synthesis were performed.Results: Of the 58 studies included, 39 were of high quality. High heterogeneity across studies (I(2)  >90%) and within study populations (reflected by large SDs of change scores) was found. Therefore, the course of pain and physical functioning was interpreted to be indistinct. We found strong evidence for a number of prognostic factors predicting deterioration in pain (e.g., higher knee pain at baseline, bilateral knee symptoms, and depressive symptoms). We also found strong evidence for a number of prognostic factors predicting deterioration in physical functioning (e.g., worsening in radiographic OA, worsening of knee pain, lower knee extension muscle strength, lower walking speed, and higher comorbidity count).Conclusion: Because of high heterogeneity across studies and within study populations, no conclusions can be drawn with regard to the course of pain and physical functioning. These findings support current research efforts to define subgroups or phenotypes within knee OA populations. Strong evidence was found for knee characteristics, clinical factors, and psychosocial factors as prognostics of deterioration of pain and physical functioning. [ABSTRACT FROM AUTHOR]

Purpose:Delivery of exercise interventions to patients with early-stage breast cancer undergoing chemotherapy requires complex clinical decisions. The purpose of this study was to develop a framework to support clinical decisions for tailoring exercise interventions to common comorbidities and cancer treatment-induced adverse effects. Method:Tailored exercise prescriptions were developed in four steps, following the i3-S strategy. All steps were based on current best available evidence, complemented with expert opinions. First, common comorbidities and treatment-induced adverse effects were identified. In the subsequent steps, contra-indications and restrictions for exercise were described, along with possible exercise adaptations. In the final step, the obtained information was synthesized into a framework. Results:Prevalent comorbidities were hypertension, heart disease, diabetes mellitus, (osteo)arthritis, chronic obstructive pulmonary disease, and obesity. Adverse effects included conditions induced by pretreatment (e.g., lymphedema as a result of surgery) or by chemotherapy (e.g., reduced blood cell counts). Adaptations to the recommended exercise program were related to exercise tolerance, safety, and hygiene. A framework was proposed to guide clinical decisions during the exercise intervention. Conclusion:Comorbidities and adverse effects of breast cancer treatment require exercise adaptations. The proposed framework provides guidance on tailored exercise prescriptions in patients with breast cancer undergoing chemotherapy.Implications for RehabilitationExercise is recommended for patients with breast cancer undergoing chemotherapy, but requires complex clinical decisions of the health professional.We identified the most important comorbidities and adverse effects of breast cancer treatment, and the resultant contra-indications and restrictions to exercise.We incorporated these findings into a clinical decision framework that provides suggestions for exercise adaptations in patients with breast cancer undergoing chemotherapy. [ABSTRACT FROM PUBLISHER]

Purpose: Exercise therapy is effective in a wide range of chronic diseases. Comorbid disease necessitates adaptations to exercise therapy. Guidance on how to develop such adaptations is currently not available. We present an innovative strategy for the development of comorbidity-related adaptations to exercise therapy in an index disease.Method: We previously developed comorbidity-related adaptations to exercise therapy in osteoarthritis. We now broaden this approach into a general strategy for the development of comorbidity-related adaptations to exercise therapy in an index disease.Results: The i3-S strategy consists of four steps. The first three steps involve creating an inventory of comorbid disease, an inventory of contraindications and restrictions on exercise therapy, and an inventory of potential adaptations to exercise therapy. In the fourth step, this information is synthesized into guidance on comorbidity-related adaptations to exercise therapy in the index disease. The adaptations concern physiological, behavioural and environmental factors.Conclusion: In view of the general effectiveness of exercise therapy and the high prevalence of comorbidity in older people, there is a great need for comorbidity-related adaptations to exercise therapy. We recommend to use and evaluate the i3-S strategy in future research.Implications for RehabilitationExercise therapy is effective in a wide range of chronic diseases.Comorbid disease necessitates adaptations to exercise therapy. Guidance on how to develop such adaptations is currently not available.We present an innovative strategy for the development of comorbidity-related adaptations to exercise therapy in an index disease.Researchers and clinicians can use this strategy to develop guidance on the adaptation of exercise therapy to comorbidity. [ABSTRACT FROM PUBLISHER]

Background: Exercise therapy is generally recommended for patients with osteoarthritis (OA) of the knee. Comorbidity, which is highly prevalent in OA, may interfere with exercise therapy. To date, there is no evidence-based protocol for the treatment of patients with knee OA and comorbidity. Special protocols adapted to the comorbidity may facilitate the application of exercise therapy in patients with knee OA and one or more comorbidities. Purpose: The purpose of this study was to develop comorbidity-adapted exercise protocols for patients with knee OA and comorbidity. Method: Several steps were undertaken to develop comorbidity-adapted protocols: selection of highly prevalent comorbidities in OA, a literature search to identify restrictions and contraindications for exercise therapy for the various comorbid diseases, consultation of experts on each comorbid disease, and field testing of the protocol in eleven patients with knee OA and comorbidity. Results: Based on literature and expert opinion, comorbidity-adapted protocols were developed for highly prevalent comorbidities in OA. Field testing showed that the protocols provided guidance in clinical decision making in both the diagnostic and the treatment phase. Because of overlap, the number of exercise protocols could be reduced to three: one for physiological adaptations (coronary disease, heart failure, hypertension, diabetes type 2, chronic obstructive pulmonary diseases, obesity), one for behavioral adaptations (chronic a-specific pain, nonspecific low back pain, depression), and one for environmental adaptations (visual or hearing impairments). Evaluation of patient outcome after treatment showed significant (P<0.05) and clinically relevant improvements in activity limitations and pain. Conclusion: Comorbidity-adapted exercise protocols for patients with knee OA were developed, providing guidance in clinical reasoning with regard to diagnostics and treatment. To evaluate the effectiveness of treatment in line with our protocols, a randomized clinical trial should be performed. [ABSTRACT FROM AUTHOR]

Background: Osteoarthritis (OA) has a very high rate of comorbidity. Exercise therapy is recommended in current guidelines on the management of OA of the hip and knee. Unfortunately, current protocols and guidelines for exercise therapy in OA of the hip and knee do not offer advice concerning comorbidity-associated adaptations for exercise therapy in OA patients. Because of the high prevalence of comorbidity in OA, it is important to establish when exercise therapy for OA of the hip and knee should be adapted when patients have one or more comorbidities. Objective: To identify restrictions and contraindications for exercise therapy for common comorbidities (cardiac diseases, hypertension, type 2 diabetes, obesity, chronic obstructive pulmonary disease (COPD), depression, chronic pain, low back pain (LBP), visual or hearing impairments, and chronic cystitis) in hip and knee OA patients. Major findings: Cardiac diseases, hypertension, type 2 diabetes, COPD, and chronic cystitis are associated with restrictions resulting from physiological impairments. Conversely, LBP, chronic pain syndromes, and depression are associated with psychological and behavioural restrictions to exercise therapy. Visual and hearing impairments result predominantly in environmental restrictions to exercise. Obesity is associated with restrictions resulting from physiological and psychological impairments and behavioural barriers. Several absolute contraindications exist and patient safety cannot be guaranteed when these are not taken into account during exercise therapy. Conclusion: Restrictions and contraindications for exercise in patients with OA of the hip and knee and comorbidity have been identified. This overview is helpful in decisions on the treatment of patients and will be instrumental in the development of a protocol for comorbidity related adaptations in exercise therapy for OA patients. [ABSTRACT FROM AUTHOR]

Exercise therapy is generally recommended in osteoarthritis (OA) of the hip or knee. However, coexisting disorders may bring additional impairments, which may necessitate adaptations to exercise for OA of the hip or knee. For the purpose of developing an adapted protocol for exercise therapy in OA patients with coexisting disorders, information is needed on which specific coexisting disorders in OA are associated with activity limitations and pain. To describe the relationship between specific coexisting disorders, activity limitations, and pain in patients with OA of the hip or knee, a cross-sectional cohort study among 288 older adults (50–85 years of age) with OA of hip or knee was conducted. Subjects were recruited from three rehabilitation centers and two hospitals. Demographic data, clinical data, information about coexisting disorders (i.e., comorbidity and other disorders), activity limitations (WOMAC: physical functioning domain), and pain (visual analogue scale (VAS)) were collected by questionnaire. Statistical analysis included descriptive statistics and multivariate regression analysis. Coexisting disorders associated with activity limitations were chronic back pain or hernia, arthritis of the hand or feet, and other chronic rheumatic diseases (all musculoskeletal disorders); diabetes and chronic cystitis (non-musculoskeletal disorders); hearing impairments in a face-to-face conversation, vision impairments in long distances, and dizziness in combination with falling (all sensory impairments); and overweight and obesity. Coexistent disorders associated with pain were arthritis of the hand or feet, other chronic rheumatic diseases (musculoskeletal disorders), and diabetes (non-musculoskeletal disorder). Specific disorders coexisting next to OA and associated with additional activity limitations and pain were identified. These coexisting disorders need to be addressed in exercise therapy and rehabilitation for patients with OA of the hip or knee. [ABSTRACT FROM AUTHOR]

The article presents the authors' reply to the commentary on their article which discusses the restrictions and contraindications on exercise therapy for hip and knee osteoarthritis (OA) patients. Topics discussed include adherence to exercise program, guidelines for hip and knee OA management, and comorbid diseases.

The article presents a response to a commentary on the article "Restrictions and contraindications for exercise therapy in patients with hip and knee osteoarthritis and comorbidity" by M. de Rooij and colleagues. It discusses contraindications for osteoarthritis (OA) exercise therapy for people with cardiac diseases, hypertension, type 2 diabetes and chronic obstructive pulmonary disease. The article also discusses the development of a patient-specific comorbidity-adapted exercise protocol.