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PubMed2005

Impact of exercise training on muscle function and ergoreflex in Fontan patients: a pilot study.

BACKGROUND: Several studies have demonstrated persistent reduced exercise capacity in Fontan patients even after surgical intervention. The purpose of this study was to evaluate if the skeletal muscle function of these patients is abnormal, if it correlates with exercise tolerance and if it can be improved by exercise training. METHODS: We evaluated the functional capacity of seven patients who underwent Fontan procedure (age:16+/-5 years, mean+/-SD) and seven healthy children (19+/-7 years) paired for age, sex, height and weight. Evaluation included pulmonary evaluation, neuromuscular function and exercise tolerance. Secondly, an 8-week exercise training program was performed by five of these patients. RESULTS: The ergoreflex contribution to absolute diastolic blood pressure was higher (12.5+/-4.8 vs. 5.6+/-4.2 mmHg; p=0.04) in Fontan patients vs. healthy subjects whereas a trend was encountered regarding the ergoreflex contribution to absolute systolic blood pressure (9.0+/-7.0 vs. 0.4+/-9.0 mmHg; p=0.09). Furthermore, time to fatigue of the non-dominant forearm muscles was shorter in Fontan patients vs. healthy subjects (431+/-290 vs. 847+/-347 s; p=0.03). Following exercise training, there was a significant reduction of the ergoreflex contribution to absolute values of systolic blood pressure (9.8+/-0.9 vs. 0.3+/-2.7 mmHg; p<0.05). There was an association between muscle strength and VO2 peak in Fontan patients (upper limb: r=0.895; p<0.01; lower limb: r=0.838; p<0.05, respectively). CONCLUSIONS: Skeletal muscle function in Fontan patients is abnormal which may have an impact in the reduced exercise tolerance encountered in these patients. Exercise training may have beneficial impacts on the skeletal muscle function in this population.

Adolescent↗
PubMed2005

A systems model of training for patients in phase 2 cardiac rehabilitation.

BACKGROUND: The aim of this study was to apply a systems model of training for athletes in patients with coronary artery disease (CAD) undergoing phase 2 cardiac rehabilitation. METHODS: Data from six patients with CAD undergoing 20 conventional training sessions were used to test this model. The method required daily training quantification using heart rate, and regular assessment of real exercise tolerance using a constant-duration test. Convolution of training quantity with real exercise tolerance was provided for every patient model exercise tolerance, by minimizing the residual sum of squares. RESULTS: The results showed that application of the systems model of training to the six patients resulted in a strong fit between real and model exercise tolerances: r(2) = 0.77, 0.79, 0.83, 0.84, 0.85 and 0.92, respectively (P < 0.05). DISCUSSION: Moreover, the systems model admitted for all patients corresponded to one first-order transfer function, which was fitness. This result was in contrast with the systems models reported in athletes and in a patient with CAD undergoing phase 3 cardiac rehabilitation which were found to include two first-order transfer functions: fitness and fatigue, simultaneously. CONCLUSION: The systems model of training of patients with CAD undergoing phase 2 suggested two practical consequences: first, the improvement of exercise tolerance is directly related to training, and consequently second, patients who enter immediately phase 3 training may prevent a decrease in their exercise tolerance.

Adult↗
PubMed2006

Aerobic training decreases B-type natriuretic peptide expression and adrenergic activation in patients with heart failure.

OBJECTIVES: We sought to evaluate the effect of physical training on neurohormonal activation in patients with heart failure (HF). BACKGROUND: Patients with HF benefit from physical training. Chronic neurohormonal activation has detrimental effects on ventricular remodeling and prognosis of patients with HF. METHODS: A total of 95 patients with HF were assigned randomly into two groups: 47 patients (group T) underwent a nine-month training program at 60% of the maximal oxygen uptake (VO2), whereas 48 patients did not (group C). The exercise load was adjusted during follow-up to achieve a progressive training effect. Plasma assay of B-type natriuretic peptide (BNP), amino-terminal pro-brain natriuretic peptide (NT-proBNP), norepinephrine, plasma renin activity, and aldosterone; quality-of-life questionnaire; echocardiogram; and cardiopulmonary stress test were performed upon enrollment and at the third and ninth month. RESULTS: A total of 85 patients completed the protocol (44 in group T, left ventricular ejection fraction [EF] 35 +/- 2%, mean +/- SEM; and 41 in group C, EF 32 +/- 2%, p = NS). At the ninth month, patients who underwent training showed an improvement in workload (+14%, p < 0.001), peak VO2 (+13%, p < 0.001), systolic function (EF +9%, p < 0.01), and quality of life. We noted that BNP, NT-proBNP, and norepinephrine values decreased after training (-34%, p < 0.01; -32%, p < 0.05; -26%, p < 0.01, respectively). Increase in peak VO2 with training correlated significantly with the decrease in both BNP/NT-proBNP level (p < 0.001 and p < 0.01, respectively). Patients who did not undergo training showed no changes. CONCLUSIONS: Clinical benefits after physical training in patients with HF are associated with blunting of adrenergic overactivity and of natriuretic peptide overexpression.

Aldosterone↗
PubMed2004

Anesthesiology: perioperative medicine or "when the anesthetic is a diuretic".

Two patients are reported, each with heart failure, who were treated with digoxin (case 1) and furosemide (case 2). Indications for medical treatment of patients with heart failure, the role of various drugs, and exercise therapy, are reviewed. At a time when the population of people over 65 years of age is increasing, it is important for physicians to recognize the symptoms of heart failure and to know the most up-to-date treatment for this disorder. These cases demonstrate the significance of the anesthesiologist as a perioperative physician.

Aged↗
PubMed2006

Activity limitations in the lower extremities in patients with osteoarthritis: the modifying effects of illness perceptions and mental health.

OBJECTIVES: Using the International Classification of Functioning, Disability and Health as framework, we evaluated modifying effects of illness perceptions and mental health on the association between impairments in body structures and functions due to osteoarthritis (OA) and limitation in activities in the lower extremities. METHODS: Self-reported limitation in activities was assessed by the Western Ontario and McMaster Universities OA index (WOMAC) function subscale in 316 patients with knee or hip pain or evidence of OA on knee or hip radiographs. Body structures and functions were evaluated during clinical and radiological assessments. Illness perceptions and mental health were assessed with the revised Illness Perception Questionnaire (IPQ-R) and the mental component summary score of the RAND 36-item Health Survey, respectively. For each patient an expected WOMAC function score was calculated, using an equation based on a multivariate model of the association of body structures and functions with limitation in activities. RESULTS: The median (interquartile) self-reported WOMAC function score was 22.2 (9.6-43.5). Ninety-one patients reported more and 120 patients reported less limitation in activities than expected. Patients with lumbar spine degeneration, physical or exercise therapy and high IPQ-R identity, consequences and chronic timeline scores had an increased risk to report more limitation in activities than the expected range. Low IPQ-R identity, consequences and emotional representation scores and better mental health were associated with reporting less limitation in activities than the expected range. CONCLUSION: Illness perceptions and mental health modify the association between self-reported limitation in activities and calculated limitation in activities based on impairments in body structures and functions due to OA.

Adult↗
PubMed2005

Upper- vs lower-limb aerobic exercise rehabilitation in patients with symptomatic peripheral arterial disease: a randomized controlled trial.

OBJECTIVES: To investigate the effects of a 24-week program of upper- and lower-limb aerobic exercise training on walking performance in patients with symptomatic peripheral arterial disease (PAD) and to study the mechanisms that could influence symptomatic improvement. METHODS: After approval from the North Sheffield Local Research Ethics Committee, 104 patients (median age, 69 years; range, 50 to 85 years) with stable PAD were randomized into an upper- or lower-limb aerobic exercise training group (UL-Ex or LL-Ex), or to a nonexercise training control group. Training was performed twice weekly for 24 weeks at equivalent relative exercise intensities. An incremental arm- and leg-crank test (ACT and LCT) to maximum exercise tolerance was performed before and at 6, 12, 18, and 24 weeks of the intervention to determine peak oxygen consumption (VO(2)). Walking performance, defined as the claudicating distance (CD) and maximum walking distance (MWD) achieved before intolerable claudication pain, was assessed at the same time points by using a shuttle-walk protocol. Peak blood lactate concentration, Borg ratings of perceived exertion (RPE) and pain category ratio (CR-10) were recorded during all assessments. RESULTS: CD and MWD increased over time (P < .001) in both training groups. At 24 weeks, CD had improved by 51% and 57%, and MWD had improved by 29% and 31% (all P < .001) in the UL-Ex and LL-Ex groups, respectively. An increase in peak heart rate at MWD in the UL-Ex group (109 +/- 4 vs 115 +/- 4 beats/min; P < .01) and LL-Ex group (107 +/- 3 vs 118 +/- 3 beats/min; P = .01) was accompanied by an increase in the amount of pain experienced in both groups (P < .05), suggesting that exercising patients could tolerate a higher level of cardiovascular stress and an increased intensity of claudication pain before test termination after training. Patients assigned to exercise training also showed an increase in LCT peak VO2 at the 24-week time point in relation to baseline (P < .01) and control patients (P < .01), whereas ACT peak VO2 was only improved in the UL-Ex group (P < .05). CONCLUSIONS: Our results suggest that a combination of physiologic adaptations and improved exercise pain tolerance account for the improvement in walking performance achieved through upper-limb aerobic exercise training in patients with PAD. Furthermore, that both arm- and leg-crank training could be useful exercise training modalities for improving cardiovascular function, walking performance, and exercise pain tolerance in patients with symptomatic PAD.

Aged↗
PubMed2006

Short-term effects of cycle and treadmill training on exercise tolerance in peripheral arterial disease.

BACKGROUND: To explore the efficacy of cycle training in the treatment of intermittent claudication, the present study compared performance and physiologic effects of cycle training with more conventional treadmill walking training in a group of patients with claudication. METHOD: Forty-two individuals with peripheral arterial disease and intermittent claudication (24 men, 18 women) were stratified by gender and the presence or absence of type 2 diabetes mellitus and then randomized to a treadmill (n = 13), cycle (n = 15), or control group (n = 14). Treadmill and cycle groups trained three times a week for 6 weeks, whereas the control group did not train during this period. Maximal and pain-free exercise times were measured on graded treadmill and cycle tests before and after training. RESULTS: Treadmill training significantly improved maximal and pain-free treadmill walking times but did not improve cycle performance. Cycle training significantly improved maximal cycle time but did not improve treadmill performance. However, there was evidence of a stronger cross-transfer effect between the training modes for patients who reported a common limiting symptom during cycling and walking at baseline. There was also considerable variation in the training response to cycling, and a subgroup of responsive patients in the cycle group improved their walking performance by more than the average response observed in the treadmill group. CONCLUSION: These findings suggest that cycle exercise is not effective in improving walking performance in all claudication patients but might be an effective alternative to walking in those who exhibit similar limiting symptoms during both types of exercise.

Aged↗
PubMed2026

Impact of education protocols and physiotherapeutic management in improving pain, symptoms, activities of daily living, and quality of life in patients with knee osteoarthritis: A systematic review and meta-analysis.

BACKGROUND: Knee osteoarthritis is a debilitating condition of the knee joint and the major cause of disability globally, with an increased economic burden on healthcare. Patient education (PE) has emerged as a primary care treatment approach in chronic conditions. This review aims to evaluate the effectiveness of PE along with exercise in reducing pain, alleviating symptoms, improving activities of daily living, and promoting quality of life among individuals with knee osteoarthritis. METHOD: A systematic search was conducted across three electronic databases, PubMed, Cochrane Library, and PEDro. The search was limited to between 2020 and 2025, and included only randomized controlled trials. The Cochrane Risk of Bias Tool and the PEDro Scale were used to evaluate the methodological evidence. Statistical synthesis was analysed using mean differences (MDs) with 95% confidence intervals (CIs) under a random-effects model. RESULTS: Eight trials were included, of which four studies evaluated the four Knee Injury and Osteoarthritis Outcome Score (KOOS) domains, and three studies evaluated the Visual Analogue Scale (VAS) and KOOS activities of daily living domain in patients with knee osteoarthritis. For the meta-analysis, we assessed all five domains of the KOOS scale and VAS. Statistical analysis of the studies showed a significant reduction in pain (VAS) for the PE along with exercise group (MD&#xa0;=&#xa0;-3.28, 95% CI (-4.85; -1.70), and I2&#xa0;=&#xa0;69.6%), but there was no significant improvement in the domains of the KOOS scale. CONCLUSION: The study highlights the importance of PE along with exercise in reducing pain. It might not be more effective when compared with exercise therapy as a standalone intervention in improving ADLs, QoL, and symptoms, but it has demonstrated some degree of effectiveness. It additionally promotes self-management and self-efficacy as a physiotherapeutic rehabilitation treatment intervention.

Humans↗
PubMed2006

Exercise capacity before and after an 8-week multidisciplinary inpatient rehabilitation program in lung cancer patients: a pilot study.

Although lung cancer is a highly prevalent type of cancer, the effects of an inpatient multidisciplinary rehabilitation program on pulmonary function and exercise capacity have never been studied in these patients. Pulmonary function, 6-min walking distance and peak exercise capacity of 10 patients with a severely impaired pulmonary function following treatment of lung cancer were assessed in this pilot study before and after an 8-week inpatient multidisciplinary rehabilitation program. At baseline, patients had a restrictive pulmonary function and an apparent exercise intolerance (median 6-min walking distance: 63.6% predicted; median peak cycling load: 58.5% predicted). Despite the lack of change in median pulmonary function [FEV1: -0.01L, p = 0.5469], functional exercise capacity [145 m; 43.2% of the initial values, p=0.0020] and peak exercise capacity [26 W; 34.4% of the initial values, p = 0.0078] improved significantly compared to baseline. Future trials have to corroborate the present findings. Nevertheless, patients with lung cancer have a clear indication to start a comprehensive rehabilitation program following intensive treatment of their disease. In fact, based on the results of the present pilot study it appears that these patients are good candidates for pulmonary rehabilitation programs.

Aged↗
PubMed2006

Long-term cardiac rehabilitation and exercise training programs improve metabolic parameters in metabolic syndrome patients with and without coronary heart disease.

BACKGROUND AND AIMS: The effectiveness of long-term cardiac rehabilitation and exercise training programs on metabolic parameters was evaluated in metabolic syndrome subjects with and without coronary heart disease (CHD). METHODS AND RESULTS: Fifty-nine CHD and 81 non-coronary patients with metabolic syndrome (59+/-8 vs 56+/-9years) were identified retrospectively at entry into identical cardiac rehabilitation and exercise-training programs. Metabolic syndrome was defined using modified Adult Treatment Panel III criteria. Exercise training occurred approximately twice per week. Metabolic and exercise testing data were collected at baseline and after 12months during the course of the program. Mean duration of cardiac rehabilitation and exercise training programs was over one year in both coronary and non-coronary patients (366+/-111 vs 414+/-102days for CHD and non-coronary CHD cohorts respectively, p<0.01). Significant improvements in bodyweight, body mass index, blood lipids, triglyceride/HDL ratio and exercise tolerance were noted in both cohorts. At the end of follow-up, 31% of CHD and 20% of non-CHD subjects no longer possessed diagnostic criteria for metabolic syndrome (p<0.0001 and p<0.001 respectively). CONCLUSIONS: A long-term cardiac rehabilitation program reduces metabolic syndrome prevalence in CHD patients and results in a similar improvement in risk factor control for metabolic syndrome patients without CHD.

Aged↗
PubMed2003

Histopathology and regression of retinal hard exudates in diabetic retinopathy after reduction of elevated serum lipid levels.

PURPOSE: To describe a regression of retinal hard exudates in 2 patients with diabetic maculopathy, and to report immunohistologic findings reflecting lipid deposition in the retina. DESIGN: Two interventional case reports. METHODS: Two patients with exudative diabetic maculopathy were treated to normalize serum lipids. Histologic examination and immunohistochemistry of each patient's eyes were performed to assess the localization of apolipoprotein B and cholesteryl ester, both of which are principal components of low-density lipoprotein. RESULTS: Both patients showed a dramatic regression of retinal hard exudates after correction of dyslipidemia. Histopathology revealed diffuse lipids and cholesteryl ester in the retina. Apolipoprotein B and macrophages were colocalized in the perivascular space. CONCLUSIONS: The regression of hard exudates was most likely due to the aggressive lipid lowering in both patients. The novel histopathologic findings of hard exudate and diabetic maculopathy are similar to the pathologic changes observed in larger atherosclerotic lesions, except that they occur in the intraretinal perivascular space.

Adult↗
PubMedDate not supplied

Management of type 2 diabetes in youth (part 2).

Type 2 diabetes is increasing at an alarming rate in minority youth in the United States. Early diagnosis is important so that a treatment plan including diabetes self-management education, medical nutrition therapy, exercise, and behavioral modification can be developed to optimize blood glucose level. Prevention and treatment of hypertension and dyslipidemia may decrease cardiovascular disease later in life. Management of type 2 diabetes requires a team approach that is patient and family centered with the health care provider, a registered dietitian, an exercise physiologist, a social worker, and a psychologist available.

Adolescent↗
PubMed2005

Exercise and physical activity in persons aging with a physical disability.

The relationship between physical functioning and physical activity isa reciprocal one; physical functioning provides the individual with the capability to engage in physical activities, and physical activity helps to maintain and in some cases improve physical functioning. This reciprocal relationship, coupled with the high prevalence of physical inactivity among persons aging with a disability, has profound implications for rehabilitation practice, especially in evaluating intermediate and long-term outcomes of clinical practice. For rehabilitation to play a role in the long-term maintenance and enhancement of physical functioning among persons with disabilities, increasing participation in various types of physical activity in the community must be part of the recovery and maintenance continuum. There is also a critical need to identify specific doses of physical activity for specific disabilities and secondary conditions. HMOs and other health insurers will require evidence-based outcomes before establishing reimbursement procedures for physical activity programs for persons aging with a physical disability.

Activities of Daily Living↗
PubMed2005

Age-related changes in muscles and joints.

Aging muscle and joint changes can have a tremendous impact on the functionality of elderly people with and without disabilities. Studies in animal models have shown some potentially beneficial interventions (eg, gene therapy). Further research is needed to ascertain their benefits in humans. A better understanding of mechanisms by which skeletal muscle and joint changes take place in a geriatric population will be helpful to find reasonable ways to prevent age-related change and improve disability. Although some agents have been reported to have significant positive effects, further studies are needed to determine long-term side effects. More information is needed with respect to the changes in muscles and joints in various disabilities.

Aging↗
PubMed2004

High intensity physical group training in water--an effective training modality for patients with COPD.

The aim of this study was to examine the effect of high intensity physical group training in water and on land for patients with COPD with regard to physical capacity and health related quality of life (HRQoL). A controlled, semi-randomised study was conducted where 30 patients were randomised to training either in water or on land. Thirteen patients constituted a control group. Forty-three outpatients, with moderate to severe COPD (27w/16m), from two local hospitals in northern Sweden, were included in the study. High intensity physical group training in water (water group) or on land (land group) was performed for 12weeks, three times per week, 45min per session. The control group received no intervention. Pre- and post-intervention, all patients performed incremental and endurance shuttle walking tests (ISWT and ESWT), cycle ergometer tests and responded questionnaires about HRQoL (St. Georges Respiratory Questionnaire--SGRQ and SF-36). The patients trained with a mean heart rate of 80-90% of peak heart rate. Both training groups increased the distance walked, i.e. land group in ISWT (25m) and water group in ESWT (179m). The water group increased the distance in ESWT significantly more that both the land and the control groups. Both training groups increased the time cycled (40-85s) and work load (10-20W) in the cycle ergometer test. The control group deteriorated in HRQoL according to total score in SGRQ while the training groups remained constant. The water group improved their activity score in SGRQ and their physical health score in SF-36 and those improvements were significant as compared to the land and the control groups. In conclusion, high intensity physical group training in water is of benefit for patients with COPD. It was in some areas found to be even more effective regarding improvements in physical capacity and experienced physical health compared to the same kind of training on land.

Aged↗
PubMed2005

Extending a home from hospital care programme for COPD exacerbations to include pulmonary rehabilitation.

The principals of rehabilitation medicine are to prevent muscle atrophy and improve mobility. Exacerbations of chronic obstructive pulmonary disease (COPD) are associated with muscle atrophy and yet many patients do not undergo pulmonary rehabilitation until they have been in stable health for some time. We investigated the outcome of a supervised home exercise programme initiated immediately after hospitalisation for an exacerbation of COPD. Thirty-one patients were randomised into an exercise group (n=16, FEV(1) 0.94+/-0.34 L) and a control group (n=15, FEV(1) 1.08+/-0.33 L). The exercise group received a twice-weekly supervised exercise programme, in their homes, for 6 weeks. Spirometry, exercise capacity, isometric muscle strength, dyspnea level, quality of life at baseline and 6 weeks as well as subsequent exacerbations were quantified. At 6 weeks, the exercise group, improved the shuttle walk test (198 m+/-95-304+/-136 m) and increased 3 min step test capacity (119+/-40-163+/-26s) (both P<0.001). Knee extensor muscle strength and quality of life scores also increased. Neither exercise capacity nor muscle strength altered in the control group. Follow-up at 3 months showed that three of the control group and none of the exercise group had experienced subsequent exacerbations (P=0.06). Early rehabilitation via a home from hospital programme improved exercise tolerance, muscle strength, dyspnea scores, quality of life in COPD patients and reduced the number of subsequent exacerbations.

Aged↗
PubMed2006

Two different training programmes for patients with COPD: a randomised study with 1-year follow-up.

PURPOSE: To compare the effects on exercise capacity and health related quality of life (HRQoL) of two exercise programmes; one programme including endurance training and one including only resistance training and callisthenics. A second purpose was to find out whether the severity of chronic obstructive pulmonary disease (COPD) affected the training response and whether the interventions had a long-term effect. METHODS: Sixty-three patients were stratified according to severity of COPD and randomised to two training groups. Group A had a mixed programme including endurance training. Group B had resistance training and callisthenics. All trained twice weekly for 8 weeks. A symptom-limited ergometer test, 12-min walking test, dynamic spirometry, blood gas analysis at rest and HRQoL were measured before and after the training period. Follow-up tests were conducted at 6 and 12 months after training. RESULTS: Forty-two patients fulfilled the trial. In group A (n=20) peak exercise capacity increased by 7W (P<0.001) and 12-min walking distance (12MWD) by 50 m (P<0.01), whereas group B (n=22) did not change in any of these variables. HRQoL did not change significantly in either group. Training response was similar in patients with moderate and severe disease. One year post-training 12MWD had returned to pre-training level in group A, and below pre-training level in group B (P<0.05). CONCLUSIONS: Exercise capacity in patients with severe and moderate COPD improved by intensive endurance training, two sessions a week for 8 weeks. The improvement was however small and HRQoL did not improve. Severity of illness did not affect response to training. The results indicated that the effects of a short endurance training intervention slowed down decline in baseline functional exercise capacity for 1 year.

Aged↗