Cross-sectoral rehabilitation intervention for patients with intermittent claudication versus usual care for patients in non-operative management - the CIPIC Rehab Study: study protocol for a randomised controlled trial

Spurred by pedometers, unity and fun exercise: A qualitative study of participation in rehabilitation for patients with intermittent claudication (The CIPIC Rehab study)

AIM

To explore how patients with intermittent claudication experiences participating in a community-based cardiovascular rehabilitation program and the various components of the rehabilitation program.

BACKGROUND

Intermittent claudication is a condition associated with progressive atherosclerosis that affects daily life. Most patients with intermittent claudication do not exercise even though exercise is essential in the treatment of this condition. Rehabilitation is reported to be effective in alleviating symptoms, increasing walking distance, reducing cardiovascular events, and improving quality of life. Patients' perspectives are important when designing such programs, however, this aspect has not previously been investigated.

DESIGN

A qualitative study.

METHODS

Patients with intermittent claudication (n=10) participating in a rehabilitation program were interviewed in two focus groups. Pragmatic philosophy inspired the approach. Data were analyzed using qualitative thematic analysis, and emerging themes were discussed according to self-efficacy theory.

RESULTS

Participants experienced social support from other patients, which motivated them to exercise. The intervention encouraged the patients' management of leg pain, while a local setting and a pedometer were important motivational factors to keep adherence to the program. The participants' experiences of the rehabilitation program are expressed in four themes revealed from the qualitative analysis: 1) the shared community, 2) pushing your own limits, 3) spurred by pedometers and health professionals, and 4) continuing new habits on your own. The participants found the components in the rehabilitation program meaningful, but encountered difficulties in continuing on their own after completion of the program.

CONCLUSION

A specialized community-based cardiovascular rehabilitation program for patients with intermittent claudication can be supportive for patients suffering from intermittent claudication.

RELEVANCE TO CLINICAL PRACTICE

The qualitative results can be used to guide development of existing cardiac rehabilitation programs targeted patients with intermittent claudication in a community setting.

Cardiovascular Rehabilitation Increases Walking Distance in Patients With Intermittent Claudication. Results of the CIPIC Rehab Study: A Randomised Controlled Trial

OBJECTIVE

To examine whether a cardiac rehabilitation programme in a community based setting for patients with intermittent claudication (IC) affects walking ability, quality of life, and changes in health behaviour. The trial investigated a cross sector cardiovascular rehabilitation programme compared with usual care for patients having non-operative management.

METHODS

The trial allocated 118 patients, with 1:1 individual randomisation to either an intervention or control group. Data were collected at a department of vascular surgery and at a healthcare centre in Denmark. The rehabilitation intervention consisted of usual care plus 12 weeks of exercise training, pedometer, health education, and text messages. The primary outcome was maximum walking distance at six months measured by treadmill walking test. The secondary outcomes were maximum walking distance at 12 months and pain free walking distance measured by treadmill walking test, healthy diet, level of physical activity, and quality of life (QoL) at six and 12 months.

RESULTS

In the intervention group, 46 participants were analysed, with 47 in the control group. Following three months of rehabilitation, a 37% difference (95% CI 1.10 - 1.70; p = .005) was found between groups in maximum walking distance at six and 12 months, in favour of the intervention group. The same positive effect was found in physical activity, QoL, and healthy diet, but was not statistically significant in pain free walking distance and smoking.

CONCLUSION

A specialised community based cardiac rehabilitation programme for patients with IC showed statistically and clinically significant effects on maximum walking distance, physical activity, quality of life, and healthy diet, but not on pain free walking distance and smoking, compared with usual care without rehabilitation.

Combined Exercise and Nutrition Optimization for Peripheral Arterial Disease: A Systematic Review

BACKGROUND

Patients with peripheral arterial disease (PAD) who suffer from claudication have a low exercise capacity, poor quality of life, and often severe disability. Exercise and healthy nutrition have been shown to be important factors to prevent disease progression. This systematic review aims to assess the evidence supporting the use of combined nutrition and structured exercise in patients with intermittent claudication.

METHODS

Publications that included a combination of structured exercise (SE) and a nutritional intervention and that reported quality of life, exercise capacity, pain-free walking distance, limb blood flow hemodynamics, need for revascularization surgery, or surgical outcomes were systematically searched. Publications were screened, selected, and reviewed by 2 independent reviewers.

RESULTS

Four publications were found reporting the effects of combined SE and nutrition programs. Pooled statistical analysis across trials was not performed because of the heterogeneity of study designs and type of interventions. Only 2 randomized controlled trials were found, reporting conflicting results with regard to the effects of combined SE and nutrition on exercise capacity. Only one trial reported quality of life measures. Blood flow was increased in the intervention involving inorganic nitrate in addition to SE.

CONCLUSIONS

There are conflicting results and lack of quality data proving the benefit of nutrition and SE programs on patient-centered outcomes and limb blood flow. There are no data on the effects of combined nutrition and exercise on the need for revascularization surgery or postrevascularization outcomes. More randomized controlled trials are needed to assess the effects of multimodal interventions on patient-centered outcomes and clinical outcomes of PAD.