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Bronas UG, Regensteiner JG. Connecting the past to the present: A historical review of exercise training for peripheral artery disease. Vasc Med 2022; 27:174-185. [DOI: 10.1177/1358863x211073620] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Peripheral artery disease (PAD), a prevalent manifestation of atherosclerosis, is associated with increased cardiovascular morbidity and mortality as well as decreased functional ability. Exercise training for PAD is acknowledged to be a highly effective treatment, which improves walking ability and cardiovascular risk. The historical development of this treatment has not been the focus of a report. Therefore, we present a historical review of research on exercise training for PAD. Overall, this body of knowledge has provided strong evidence of the efficacy of supervised exercise training (SET) to improve walking ability for patients with claudication due to PAD. SET, using intermittent bouts of walking exercise to moderate claudication pain on a treadmill, is considered the most efficacious mode of exercise to improve walking ability in patients with claudication. This compelling evidence published over the past 60 years was evaluated by the Centers for Medicare & Medicaid Services in 2017, which culminated in a national coverage determination for SET to improve symptomatic PAD. Future directions include determining optimal delivery strategies for SET and further elucidation of the mechanisms of improvement in walking ability resulting from SET. In addition, alternative forms of exercise should be evaluated and effective home- and community-based exercise interventions should be assessed. There is an enormous need to increase the inclusion of women and racial and ethnic minority groups in studies. It is to be hoped that researchers will continue with new innovative research and persistence in the treatment of claudication due to PAD.
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Affiliation(s)
- Ulf G Bronas
- Department of Biobehavioral Nursing Science, College of Nursing, University of Illinois – Chicago, Chicago, IL, USA
| | - Judith G Regensteiner
- Ludeman Family Center for Women’s Health Research; Divisions of General Internal Medicine and Cardiology, Department of Medicine, University of Colorado School of Medicine, Aurora, CO, USA
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Ibeggazene S, Pymer S, Birkett ST, Caldow E, Harwood AE. A systematic review of exercise intervention reporting quality and dose in studies of intermittent claudication. Vascular 2022; 31:477-488. [PMID: 35130092 DOI: 10.1177/17085381211070700] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
BACKGROUND Exercise therapy is an important treatment option for people with intermittent claudication (IC). Appropriate reporting of exercise interventions in populations with IC within randomised controlled trials (RCTs) is important to ensure that research can be translated into clinical practice. Therefore, the purpose of our review is to evaluate the reporting of exercise interventions in RCTs of exercise therapy in patients with IC. METHODS A systematic search was performed to identify relevant trials in patients with IC published until May 2020. Studies including only participants with critical limb ischaemia or asymptomatic peripheral artery disease were excluded. Each trial was scored using the recently developed 'Consensus on Exercise Reporting Template' (CERT) which has a maximum obtainable score of 19. RESULTS Of 1489 unique records identified from the search, 73 trials were included, reporting 107 exercise interventions. Overall, the average CERT score was 10/19. The exercise equipment used, the use of supervision and a description of whether the exercise prescription was tailored or generic were the most frequently reported intervention components. The motivational strategies used, intervention adherence and intervention fidelity were the most underreported CERT components. There was no trend indicating that CERT scores were higher in more recent publications. CONCLUSIONS We have identified that important details about exercise interventions are frequently missing from the published literature. These missing data hinder replication of research findings and limit the translation of evidence into clinical practice.
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Affiliation(s)
- Saïd Ibeggazene
- College of Health, Wellbeing and Life Sciences, 7314Sheffield Hallam University, Sheffield, UK
| | - Sean Pymer
- Academic Vascular Surgical Unit, 12195Hull York Medical School, Hull, UK
| | - Stefan T Birkett
- School of Sport and Health Sciences, 6723University of Central Lancashire, Preston, UK
| | - Edward Caldow
- School of Health and Society, 7046University of Salford, Salford, UK
| | - Amy E Harwood
- Centre for Sports, Exercise and Life Sciences, 120958Coventry University, Coventry, UK
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Anghel R, Adam CA, Marcu DTM, Mitu O, Mitu F. Cardiac Rehabilitation in Patients with Peripheral Artery Disease-A Literature Review in COVID-19 Era. J Clin Med 2022; 11:416. [PMID: 35054109 PMCID: PMC8778009 DOI: 10.3390/jcm11020416] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 01/07/2022] [Accepted: 01/11/2022] [Indexed: 12/12/2022] Open
Abstract
Cardiac rehabilitation (CR) is an integral part of the management of various cardiovascular disease such as coronary artery disease (CAD), peripheral artery disease (PAD), or chronic heart failure (CHF), with proven morbidity and mortality benefits. This article aims to review and summarize the scientific literature related to cardiac rehabilitation programs for patients with PAD and how they were adapted during the COVID-19 pandemic. The implementation of CR programs has been problematic since the COVID-19 pandemic due to social distancing and work-related restrictions. One of the main challenges for physicians and health systems alike has been the management of PAD patients. COVID-19 predisposes to coagulation disorders that can lead to severe thrombotic events. Home-based walking exercises are more accessible and easier to accept than supervised exercise programs. Cycling or other forms of exercise are more entertaining or challenging alternatives to exercise therapy. Besides treadmill exercises, upper- and lower-extremity ergometry also has great functional benefits, especially regarding walking endurance. Supervised exercise therapy has a positive impact on both functional capacity and also on the quality of life of such patients. The most effective manner to acquire this seems to be by combining revascularization therapy and supervised exercise. Rehabilitation programs proved to be a mandatory part of the integrative approach in these cases, increasing quality of life, and decreasing stress levels, depression, and anxiety.
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Affiliation(s)
- Razvan Anghel
- Clinical Rehabilitation Hospital, Cardiovascular Rehabilitation Clinic, Pantelimon Halipa Street nr 14, 700661 Iasi, Romania; (R.A.); (C.A.A.); (F.M.)
| | - Cristina Andreea Adam
- Clinical Rehabilitation Hospital, Cardiovascular Rehabilitation Clinic, Pantelimon Halipa Street nr 14, 700661 Iasi, Romania; (R.A.); (C.A.A.); (F.M.)
| | - Dragos Traian Marius Marcu
- Department of Internal Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, University Street nr 16, 700115 Iasi, Romania;
| | - Ovidiu Mitu
- Department of Internal Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, University Street nr 16, 700115 Iasi, Romania;
- “Sf. Spiridon” Clinical Emergency Hospital, Independence Boulevard nr 1, 700111 Iasi, Romania
| | - Florin Mitu
- Clinical Rehabilitation Hospital, Cardiovascular Rehabilitation Clinic, Pantelimon Halipa Street nr 14, 700661 Iasi, Romania; (R.A.); (C.A.A.); (F.M.)
- Department of Internal Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, University Street nr 16, 700115 Iasi, Romania;
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OUP accepted manuscript. Br J Surg 2022; 109:686-694. [DOI: 10.1093/bjs/znac134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 12/08/2021] [Accepted: 04/02/2022] [Indexed: 11/12/2022]
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Birkett ST, Harwood AE, Caldow E, Ibeggazene S, Ingle L, Pymer S. A systematic review of exercise testing in patients with intermittent claudication: A focus on test standardisation and reporting quality in randomised controlled trials of exercise interventions. PLoS One 2021; 16:e0249277. [PMID: 33939704 PMCID: PMC8092776 DOI: 10.1371/journal.pone.0249277] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 03/15/2021] [Indexed: 12/24/2022] Open
Abstract
A systematic review was conducted to identify the range of terminology used in studies to describe maximum walking distance and the exercise testing protocols, and testing modalities used to measure it in patients with intermittent claudication. A secondary aim was to assess the implementation and reporting of the exercise testing protocols. CINAHL, Medline, EMBASE and Cochrane CENTRAL databases were searched. Randomised controlled trials whereby patients with intermittent claudication were randomised to an exercise intervention were included. The terminology used to describe maximal walking distance was recorded, as was the modality and protocol used to measure it. The implementation and reporting quality was also assessed using pre-specified criteria. Sixty-four trials were included in this review. Maximal walking distance was reported using fourteen different terminologies. Twenty-two different treadmill protocols and three different corridor tests were employed to assess maximal walking distance. No single trial satisfied all the implementation and reporting criteria for an exercise testing protocol. Evidence shows that between-study interpretation is difficult given the heterogenous nature of the exercise testing protocols, test endpoints and terminology used to describe maximal walking distance. This is further compounded by poor test reporting and implementation across studies. Comprehensive guidelines need to be provided to enable a standardised approach to exercise testing in patients with intermittent claudication.
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Affiliation(s)
- Stefan T. Birkett
- School of Sport and Health Sciences, University of Central Lancashire, Preston, United Kingdom
| | - Amy E. Harwood
- Centre for Sports, Exercise and Life Sciences, Coventry University, Coventry, United Kingdom
| | - Edward Caldow
- School of Health and Society, University of Salford, Salford, United Kingdom
| | - Saïd Ibeggazene
- College of Health, Wellbeing and Life Sciences, Sheffield Hallam University, Sheffield, United Kingdom
| | - Lee Ingle
- Department of Sport, Health and Exercise Science, University of Hull, Hull, United Kingdom
| | - Sean Pymer
- Academic Vascular Surgical Unit, Hull York Medical School, Hull, United Kingdom
- * E-mail:
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Diet-Dependent and Diet-Independent Hemorheological Alterations in Celiac Disease: A Case-Control Study. Clin Transl Gastroenterol 2020; 11:e00256. [PMID: 33259164 PMCID: PMC7665261 DOI: 10.14309/ctg.0000000000000256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Hemorheology is the study of the flow properties of the blood and its elements, which, together with natural anticoagulants, are important determinants of cardiovascular events. This study aimed to assess hemorheological and natural anticoagulant profiles of patients with celiac disease (CeD) comprehensively.
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Thomas SG, Marzolini S, Lin E, Nguyen CH, Oh P. Peripheral Arterial Disease: Supervised Exercise Therapy Through Cardiac Rehabilitation. Clin Geriatr Med 2019; 35:527-537. [PMID: 31543183 DOI: 10.1016/j.cger.2019.07.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Peripheral arterial disease (PAD) is frequently underdiagnosed and undertreated. This review identifies specific subgroups within older adults more likely to develop PAD, and describes methods to diagnose PAD and provide evidence in support of systematic referral to cardiac rehabilitation programs to enhance successful comprehensive management. Clear evidence and guidelines support the routine use of supervised exercise therapy to improve function, reduce risk of cardiovascular morbidity and mortality, and enhance the success of endovascular interventions.
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Affiliation(s)
- Scott G Thomas
- Faculty of Kinesiology and Physical Education, Department of Exercise Sciences, University of Toronto, 55 Harbord Street, Toronto M5S 2W6, Canada.
| | - Susan Marzolini
- Cardiovascular Prevention and Rehabilitation Program, KITE, University Health Network, 347 Rumsey Road, Toronto M4G 1R7, Canada
| | - Edward Lin
- Cardiovascular Prevention and Rehabilitation Program, KITE, University Health Network, 347 Rumsey Road, Toronto M4G 1R7, Canada
| | - Cindy H Nguyen
- Faculty of Kinesiology and Physical Education, Department of Exercise Sciences, University of Toronto, 55 Harbord Street, Toronto M5S 2W6, Canada
| | - Paul Oh
- Cardiovascular Prevention and Rehabilitation Program, KITE, University Health Network, 347 Rumsey Road, Toronto M4G 1R7, Canada
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Treat-Jacobson D, McDermott MM, Bronas UG, Campia U, Collins TC, Criqui MH, Gardner AW, Hiatt WR, Regensteiner JG, Rich K. Optimal Exercise Programs for Patients With Peripheral Artery Disease: A Scientific Statement From the American Heart Association. Circulation 2019; 139:e10-e33. [DOI: 10.1161/cir.0000000000000623] [Citation(s) in RCA: 116] [Impact Index Per Article: 23.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Hageman D, Fokkenrood HJP, Gommans LNM, van den Houten MML, Teijink JAW. Supervised exercise therapy versus home-based exercise therapy versus walking advice for intermittent claudication. Cochrane Database Syst Rev 2018; 4:CD005263. [PMID: 29627967 PMCID: PMC6513337 DOI: 10.1002/14651858.cd005263.pub4] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
BACKGROUND Although supervised exercise therapy (SET) provides significant symptomatic benefit for patients with intermittent claudication (IC), it remains an underutilized tool. Widespread implementation of SET is restricted by lack of facilities and funding. Structured home-based exercise therapy (HBET) with an observation component (e.g., exercise logbooks, pedometers) and just walking advice (WA) are alternatives to SET. This is the second update of a review first published in 2006. OBJECTIVES The primary objective was to provide an accurate overview of studies evaluating effects of SET programs, HBET programs, and WA on maximal treadmill walking distance or time (MWD/T) for patients with IC. Secondary objectives were to evaluate effects of SET, HBET, and WA on pain-free treadmill walking distance or time (PFWD/T), quality of life, and self-reported functional impairment. SEARCH METHODS The Cochrane Vascular Information Specialist searched the Cochrane Vascular Specialised Register (December 16, 2016) and the Cochrane Central Register of Controlled Trials (2016, Issue 11). We searched the reference lists of relevant studies identified through searches for other potential trials. We applied no restriction on language of publication. SELECTION CRITERIA We included parallel-group randomized controlled trials comparing SET programs with HBET programs and WA in participants with IC. We excluded studies in which control groups did not receive exercise or walking advice (maintained normal physical activity). We also excluded studies comparing exercise with percutaneous transluminal angioplasty, bypass surgery, or drug therapy. DATA COLLECTION AND ANALYSIS Three review authors (DH, HF, and LG) independently selected trials, extracted data, and assessed trials for risk of bias. Two other review authors (MvdH and JT) confirmed the suitability and methodological quality of trials. For all continuous outcomes, we extracted the number of participants, mean outcome, and standard deviation for each treatment group through the follow-up period, if available. We extracted Medical Outcomes Study Short Form 36 outcomes to assess quality of life, and Walking Impairment Questionnaire outcomes to assess self-reported functional impairment. As investigators used different scales to present results of walking distance and time, we standardized reported data to effect sizes to enable calculation of an overall standardized mean difference (SMD). We obtained summary estimates for all outcome measures using a random-effects model. We assessed the quality of evidence using the GRADE approach. MAIN RESULTS For this update, we included seven additional studies, making a total of 21 included studies, which involved a total of 1400 participants: 635 received SET, 320 received HBET, and 445 received WA. In general, SET and HBET programs consisted of three exercise sessions per week. Follow-up ranged from six weeks to two years. Most trials used a treadmill walking test to investigate effects of exercise therapy on walking capacity. However, two trials assessed only quality of life, functional impairment, and/or walking behavior (i.e., daily steps measured by pedometer). The overall methodological quality of included trials was moderate to good. However, some trials were small with respect to numbers of participants, ranging from 20 to 304.SET groups showed clear improvement in MWD/T compared with HBET and WA groups, with overall SMDs at three months of 0.37 (95% confidence interval [CI] 0.12 to 0.62; P = 0.004; moderate-quality evidence) and 0.80 (95% CI 0.53 to 1.07; P < 0.00001; high-quality evidence), respectively. This translates to differences in increased MWD of approximately 120 and 210 meters in favor of SET groups. Data show improvements for up to six and 12 months, respectively. The HBET group did not show improvement in MWD/T compared with the WA group (SMD 0.30, 95% CI -0.45 to 1.05; P = 0.43; moderate-quality evidence).Compared with HBET, SET was more beneficial for PFWD/T but had no effect on quality of life parameters nor on self-reported functional impairment. Compared with WA, SET was more beneficial for PFWD/T and self-reported functional impairment, as well as for some quality of life parameters (e.g., physical functioning, pain, and physical component summary after 12 months), and HBET had no effect.Data show no obvious effects on mortality rates. Thirteen of the 1400 participants died, but no deaths were related to exercise therapy. Overall, adherence to SET was approximately 80%, which was similar to that reported with HBET. Only limited adherence data were available for WA groups. AUTHORS' CONCLUSIONS Evidence of moderate and high quality shows that SET provides an important benefit for treadmill-measured walking distance (MWD and PFWD) compared with HBET and WA, respectively. Although its clinical relevance has not been definitively demonstrated, this benefit translates to increased MWD of 120 and 210 meters after three months in SET groups. These increased walking distances are likely to have a positive impact on the lives of patients with IC. Data provide no clear evidence of a difference between HBET and WA. Trials show no clear differences in quality of life parameters nor in self-reported functional impairment between SET and HBET. However, evidence is of low and very low quality, respectively. Investigators detected some improvements in quality of life favoring SET over WA, but analyses were limited by small numbers of studies and participants. Future studies should focus on disease-specific quality of life and other functional outcomes, such as walking behavior and physical activity, as well as on long-term follow-up.
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Affiliation(s)
- David Hageman
- Catharina HospitalDepartment of Vascular SurgeryEindhovenNetherlands
- CAPHRI School for Public Health and Primary Care, Faculty of Health, Medicine and Life Sciences, Maastricht UniversityDepartment of EpidemiologyMaastrichtNetherlands
| | | | - Lindy NM Gommans
- Catharina HospitalDepartment of Vascular SurgeryEindhovenNetherlands
| | - Marijn ML van den Houten
- Catharina HospitalDepartment of Vascular SurgeryEindhovenNetherlands
- CAPHRI School for Public Health and Primary Care, Faculty of Health, Medicine and Life Sciences, Maastricht UniversityDepartment of EpidemiologyMaastrichtNetherlands
| | - Joep AW Teijink
- Catharina HospitalDepartment of Vascular SurgeryEindhovenNetherlands
- CAPHRI School for Public Health and Primary Care, Faculty of Health, Medicine and Life Sciences, Maastricht UniversityDepartment of EpidemiologyMaastrichtNetherlands
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10
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Abstract
BACKGROUND Exercise programmes are a relatively inexpensive, low-risk option compared with other, more invasive therapies for treatment of leg pain on walking (intermittent claudication (IC)). This is the fourth update of a review first published in 1998. OBJECTIVES Our goal was to determine whether an exercise programme was effective in alleviating symptoms and increasing walking treadmill distances and walking times in people with intermittent claudication. Secondary objectives were to determine whether exercise was effective in preventing deterioration of underlying disease, reducing cardiovascular events, and improving quality of life. SEARCH METHODS For this update, the Cochrane Vascular Information Specialist searched the Specialised Register (last searched 15 November 2016) and the Cochrane Central Register of Controlled Trials (CENTRAL; 2016, Issue 10) via the Cochrane Register of Studies Online, along with trials registries. SELECTION CRITERIA Randomised controlled trials of an exercise regimen versus control or versus medical therapy for people with IC due to peripheral arterial disease (PAD). We included any exercise programme or regimen used for treatment of IC, such as walking, skipping, and running. Inclusion of trials was not affected by duration, frequency, or intensity of the exercise programme. Outcome measures collected included treadmill walking distance (time to onset of pain or pain-free walking distance and maximum walking time or maximum walking distance), ankle brachial index (ABI), quality of life, morbidity, or amputation; if none of these was reported, we did not include the trial in this review. DATA COLLECTION AND ANALYSIS For this update (2017), RAL and AH selected trials and extracted data independently. We assessed study quality by using the Cochrane 'Risk of bias' tool. We analysed continuous data by determining mean differences (MDs) and 95% confidence intervals (CIs), and dichotomous data by determining risk ratios (RRs) and 95% CIs. We pooled data using a fixed-effect model unless we identified significant heterogeneity, in which case we used a random-effects model. We used the GRADE approach to assess the overall quality of evidence supporting the outcomes assessed in this review. MAIN RESULTS We included two new studies in this update and identified additional publications for previously included studies, bringing the total number of studies meeting the inclusion criteria to 32, and involving a total of 1835 participants with stable leg pain. The follow-up period ranged from two weeks to two years. Types of exercise varied from strength training to polestriding and upper or lower limb exercises; supervised sessions were generally held at least twice a week. Most trials used a treadmill walking test for one of the primary outcome measures. The methodological quality of included trials was moderate, mainly owing to absence of relevant information. Most trials were small and included 20 to 49 participants. Twenty-seven trials compared exercise versus usual care or placebo, and the five remaining trials compared exercise versus medication (pentoxifylline, iloprost, antiplatelet agents, and vitamin E) or pneumatic calf compression; we generally excluded people with various medical conditions or other pre-existing limitations to their exercise capacity.Meta-analysis from nine studies with 391 participants showed overall improvement in pain-free walking distance in the exercise group compared with the no exercise group (MD 82.11 m, 95% CI 71.73 to 92.48, P < 0.00001, high-quality evidence). Data also showed benefit from exercise in improved maximum walking distance (MD 120.36 m, 95% CI 50.79 to 189.92, P < 0.0007, high-quality evidence), as revealed by pooling data from 10 studies with 500 participants. Improvements were seen for up to two years.Exercise did not improve the ABI (MD 0.04, 95% CI 0.00 to 0.08, 13 trials, 570 participants, moderate-quality evidence). Limited data were available for the outcomes of mortality and amputation; trials provided no evidence of an effect of exercise, when compared with placebo or usual care, on mortality (RR 0.92, 95% CI 0.39 to 2.17, 5 trials, 540 participants, moderate-quality evidence) or amputation (RR 0.20, 95% CI 0.01 to 4.15, 1 trial, 177 participants, low-quality evidence).Researchers measured quality of life using Short Form (SF)-36 at three and six months. At three months, the domains 'physical function', 'vitality', and 'role physical' improved with exercise; however this was a limited finding, as it was reported by only two trials. At six months, meta-analysis showed improvement in 'physical summary score' (MD 2.15, 95% CI 1.26 to 3.04, P = 0.02, 5 trials, 429 participants, moderate-quality evidence) and in 'mental summary score' (MD 3.76, 95% CI 2.70 to 4.82, P < 0.01, 4 trials, 343 participants, moderate-quality evidence) secondary to exercise. Two trials reported the remaining domains of the SF-36. Data showed improvements secondary to exercise in 'physical function' and 'general health'. The other domains - 'role physical', 'bodily pain', 'vitality', 'social', 'role emotional', and 'mental health' - did not show improvement at six months.Evidence was generally limited in trials comparing exercise versus antiplatelet therapy, pentoxifylline, iloprost, vitamin E, and pneumatic foot and calf compression owing to small numbers of trials and participants.Review authors used GRADE to assess the evidence presented in this review and determined that quality was moderate to high. Although results showed significant heterogeneity between trials, populations and outcomes were comparable overall, with findings relevant to the claudicant population. Results were pooled for large sample sizes - over 300 participants for most outcomes - using reproducible methods. AUTHORS' CONCLUSIONS High-quality evidence shows that exercise programmes provided important benefit compared with placebo or usual care in improving both pain-free and maximum walking distance in people with leg pain from IC who were considered to be fit for exercise intervention. Exercise did not improve ABI, and we found no evidence of an effect of exercise on amputation or mortality. Exercise may improve quality of life when compared with placebo or usual care. As time has progressed, the trials undertaken have begun to include exercise versus exercise or other modalities; therefore we can include fewer of the new trials in this update.
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Affiliation(s)
- Risha Lane
- Hull Royal InfirmaryVascular UnitAnlaby RoadHullUKHU3 2JZ
| | - Amy Harwood
- Hull Royal InfirmaryVascular UnitAnlaby RoadHullUKHU3 2JZ
| | - Lorna Watson
- NHS FifeCameron House, Cameron BridgeWindygatesLevenUKKY8 5RG
| | - Gillian C Leng
- National Institute for Health and Care Excellence10 Spring GardensLondonUKSW1A 2BU
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Review of research article: Comparison of two treadmill training programs on walking ability and endothelial function in intermittent claudication by Mika P, Konik A, Januszek T, Nowobilski R, Nizankowski R, Szczeklik A (Int J Cardiol 2013; 168: 838-842). JOURNAL OF VASCULAR NURSING 2016; 34:116-7. [PMID: 27568319 DOI: 10.1016/j.jvn.2016.07.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Dörenkamp S, Mesters EPE, Nijhuis-van der Sanden MWG, Teijink JAW, de Bie RA, Hoogeboom TJ. How Well Do Randomized Controlled Trials Reflect Standard Care: A Comparison between Scientific Research Data and Standard Care Data in Patients with Intermittent Claudication undergoing Supervised Exercise Therapy. PLoS One 2016; 11:e0157921. [PMID: 27336741 PMCID: PMC4919097 DOI: 10.1371/journal.pone.0157921] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2016] [Accepted: 06/07/2016] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE The aim of the present study was to assess the degree and impact of patient selection of patients with intermittent claudication undergoing supervised exercise therapy in Randomized Controlled Trials (RCTs) by describing commonly used exclusion criteria, and by comparing baseline characteristics and treatment response measured as improvement in maximum walking distance of patients included in RCTs and patients treated in standard care. METHODS We compared data from RCTs with unselected standard care data. First, we systematically reviewed RCTs that investigated the effect of supervised exercise therapy in patients with intermittent claudication. For each of the RCTs, we extracted and categorized the eligibility criteria and their justifications. To assess whether people in RCTs (n = 1,440) differed from patients treated in daily practice (n = 3,513), in terms of demographics, comorbidity and walking capacity, we assessed between group-differences using t-tests. To assess differences in treatment response, we compared walking distances at three and six months between groups using t-tests. Differences of ≥15% were set as a marker for a clinically relevant difference. RESULTS All 20 included RCTs excluded large segments of patients with intermittent claudication. One-third of the RCTs eligibility criteria were justified. Despite, the numerous eligibility criteria, we found that baseline characteristics were largely comparable. A statistically significant and (borderline) clinically relevant difference in treatment response after three and six months between trial participants and standard care patients was found. Improvements in maximum walking distance after three and six months were significantly and clinically less in trial participants. CONCLUSIONS The finding that baseline characteristics of patients included in RCTs and patients treated in standard care were comparable, may indicate that RCT eligibility criteria are used implicitly by professionals when referring patients to standard physiotherapy care. The larger treatment response reported in standard physiotherapy care compared to clinical trials, might suggest that scientific studies underestimate the benefits of supervised exercise therapy in patients with intermittent claudication.
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Affiliation(s)
- S. Dörenkamp
- Department of Epidemiology, Functioning and Rehabilitation Programme, CAPHRI School for Public Health and Primary Care, Maastricht University, Maastricht, The Netherlands
| | - E. P. E. Mesters
- Department of Epidemiology, Functioning and Rehabilitation Programme, CAPHRI School for Public Health and Primary Care, Maastricht University, Maastricht, The Netherlands
| | - M. W. G. Nijhuis-van der Sanden
- Radboud University Medical Center, Institute for Health Sciences, IQ healthcare and Department of Rehabilitation, Nijmegen, The Netherlands
| | - J. A. W. Teijink
- Department of Epidemiology, Functioning and Rehabilitation Programme, CAPHRI School for Public Health and Primary Care, Maastricht University, Maastricht, The Netherlands
- Department of Vascular Surgery, Catharina Hospital, Eindhoven, The Netherlands
| | - R. A. de Bie
- Department of Epidemiology, Functioning and Rehabilitation Programme, CAPHRI School for Public Health and Primary Care, Maastricht University, Maastricht, The Netherlands
| | - T. J. Hoogeboom
- Radboud University Medical Center, Institute for Health Sciences, IQ healthcare and Department of Rehabilitation, Nijmegen, The Netherlands
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Lyu X, Li S, Peng S, Cai H, Liu G, Ran X. Intensive walking exercise for lower extremity peripheral arterial disease: A systematic review and meta-analysis. J Diabetes 2016; 8:363-77. [PMID: 25940390 DOI: 10.1111/1753-0407.12304] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2014] [Revised: 03/25/2015] [Accepted: 04/26/2015] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Supervised treadmill exercise is the recommended therapy for peripheral arterial disease (PAD) patients with intermittent claudication (IC). However, most PAD patients do not exhibit typical symptoms of IC. The aim of the present study was to explore the efficacy and safety of intensive walking exercise in PAD patients with and without IC. METHODS The PubMed, Embase and Cochrane Library databases were systematically searched. Randomized controlled trials comparing the effects of intensive walking exercise with usual care in patients with PAD were included for systematic review and meta-analysis. RESULTS Eighteen trials with 1200 patients were eligible for the present analysis. Compared with usual care, intensive walking exercise significantly improved the maximal walking distance (MWD), pain-free walking distance, and the 6-min walking distance in patients with PAD (P < 0.00001 for all). Subgroup analyses indicated that a lesser improvement in MWD was observed in the subgroup with more diabetes patients, and that the subgroup with better baseline walking ability exhibited greater improvement in walking performance. In addition, similar improvements in walking performance were observed for exercise programs of different durations and modalities. No significant difference was found in adverse events between the intensive walking and usual care groups (relative risk 0.84; 95% confidence interval 0.51, 1.39; P = 0.50). CONCLUSIONS Regardless of exercise length and modality, regularly intensive walking exercise improves walking ability in PAD patients more than usual care. The presence of diabetes may attenuate the improvements in walking performance in patients with PAD following exercise.
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Affiliation(s)
- Xiafei Lyu
- Diabetic Foot Center, Chengdu, China
- Department of Endocrinology and Metabolism, West China Hospital, Chengdu, China
| | - Sheyu Li
- Department of Endocrinology and Metabolism, West China Hospital, Chengdu, China
| | - Shifeng Peng
- Clinical Medicine of Eight-year Program, West China School of Medicine, Sichuan University, Chengdu, China
| | - Huimin Cai
- Clinical Medicine of Eight-year Program, West China School of Medicine, Sichuan University, Chengdu, China
| | - Guanjian Liu
- Chinese Cochrane Center, West China Hospital, Chengdu, China
| | - Xingwu Ran
- Diabetic Foot Center, Chengdu, China
- Department of Endocrinology and Metabolism, West China Hospital, Chengdu, China
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Harwood AE, Smith GE, Cayton T, Broadbent E, Chetter IC. A Systematic Review of the Uptake and Adherence Rates to Supervised Exercise Programs in Patients with Intermittent Claudication. Ann Vasc Surg 2016; 34:280-9. [PMID: 27126713 DOI: 10.1016/j.avsg.2016.02.009] [Citation(s) in RCA: 145] [Impact Index Per Article: 18.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Revised: 02/15/2016] [Accepted: 02/17/2016] [Indexed: 12/17/2022]
Abstract
BACKGROUND Intermittent claudication (IC) is a common and debilitating symptom of peripheral arterial disease and is associated with a significant reduction in a sufferer's quality of life. Guidelines recommend a supervised exercise program (SEP) as the primary treatment option; however, anecdotally there is a low participation rate for exercise in this group of patients. We undertook a systematic review of the uptake and adherence rates to SEPs for individuals with IC. METHODS The MEDLINE, Embase, and PubMed databases were searched up to January 2015 for terms related to supervised exercise in peripheral arterial disease. The review had 3 aims: first, to establish the rates of uptake to SEPs, second, the rates of adherence to programs, and finally to determine the reasons reported for poor uptake and adherence. Separate inclusion and/or exclusion criteria were applied in selecting reports for each aim of the review. RESULTS Only 23 of the 53 potentially eligible articles for uptake analysis identified on literature searches reported any details of screened patients (n = 7,517) with only 24.2% of patients subsequently recruited to SEPs. Forty-five percent of screen failures had no reason for exclusion reported. Sixty-seven articles with 4,012 patients were included for analysis of SEP adherence. Overall, 75.1% of patients reportedly completed an SEP; however, only one article defined a minimal attendance required for SEP completion. Overall, 54.1% of incomplete adherence was due to patient withdrawal and no reason for incomplete adherence was reported for 16% of cases. CONCLUSIONS Reporting of SEP trials was poor with regard to the numbers of subjects screened and reasons for exclusions. Only approximately 1 in 3 screened IC patients was suitable for and willing to undertake SEP. Levels of adherence to SEPs and definitions of satisfactory adherence were also lacking in most the current literature. Current clinical guidelines based on this evidence base may not be applicable to most IC patients and changes to SEPs may be needed to encourage and/or retain participants.
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Affiliation(s)
| | - George E Smith
- Academic Vascular Surgical Unit, Hull Royal Infirmary, Hull, UK
| | - Thomas Cayton
- Academic Vascular Surgical Unit, Hull Royal Infirmary, Hull, UK
| | | | - Ian C Chetter
- Academic Vascular Surgical Unit, Hull Royal Infirmary, Hull, UK
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Pabisiak A, Bromboszcz J, Kmiec S, Dendura M, Dabrowski Z, Smolenski O. Changes in the complete blood count and blood rheology in patients after myocardial infarction participating in the rehabilitation programme. Clin Hemorheol Microcirc 2016; 61:541-7. [DOI: 10.3233/ch-151954] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- A. Pabisiak
- University School of Physical Education, 31-571 Krakow, Al. Jana Pawła II 78, Poland
- Center of Diagnostics and Cardiac Rehabilitation REMED, 31-148 Krakow, ul. Wroblewskiego, Poland
| | - J. Bromboszcz
- Physiotherapy Faculty, Administration University School in Bielsko-Biala, 43-300 Bielsko-Biala, ul. Frycza-Modrzewskiego, Poland
| | - S. Kmiec
- University School of Physical Education, 31-571 Krakow, Al. Jana Pawła II 78, Poland
| | - M. Dendura
- Center of Diagnostics and Cardiac Rehabilitation REMED, 31-148 Krakow, ul. Wroblewskiego, Poland
| | - Z. Dabrowski
- University School of Physical Education, 31-571 Krakow, Al. Jana Pawła II 78, Poland
| | - O. Smolenski
- University School of Physical Education, 31-571 Krakow, Al. Jana Pawła II 78, Poland
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Harwood AE, Cayton T, Sarvanandan R, Lane R, Chetter I. A Review of the Potential Local Mechanisms by Which Exercise Improves Functional Outcomes in Intermittent Claudication. Ann Vasc Surg 2016; 30:312-20. [DOI: 10.1016/j.avsg.2015.05.043] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2015] [Revised: 05/21/2015] [Accepted: 05/25/2015] [Indexed: 12/15/2022]
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17
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Parmenter BJ, Dieberg G, Smart NA. Exercise Training for Management of Peripheral Arterial Disease: A Systematic Review and Meta-Analysis. Sports Med 2014; 45:231-44. [DOI: 10.1007/s40279-014-0261-z] [Citation(s) in RCA: 109] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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18
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Editor's Choice – The Effect of Supervision on Walking Distance in Patients with Intermittent Claudication: A Meta-analysis. Eur J Vasc Endovasc Surg 2014; 48:169-84. [DOI: 10.1016/j.ejvs.2014.04.019] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2013] [Accepted: 04/15/2014] [Indexed: 12/16/2022]
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Abstract
BACKGROUND Exercise programmes are a relatively inexpensive, low-risk option compared with other more invasive therapies for leg pain on walking (intermittent claudication (IC)). This is an update of a review first published in 1998. OBJECTIVES The prime objective of this review was to determine whether an exercise programme in people with intermittent claudication was effective in alleviating symptoms and increasing walking treadmill distances and walking times. Secondary objectives were to determine whether exercise was effective in preventing deterioration of underlying disease, reducing cardiovascular events and improving quality of life. SEARCH METHODS For this update the Cochrane Peripheral Vascular Diseases Group Trials Search Co-ordinator searched the Specialised Register (last searched September 2013) and CENTRAL (2013, Issue 8). SELECTION CRITERIA Randomised controlled trials of an exercise regimen versus control or versus medical therapy in people with IC due to peripheral arterial disease. Any exercise programme or regimen used in the treatment of intermittent claudication was included, such as walking, skipping and running. Inclusion of trials was not affected by the duration, frequency or intensity of the exercise programme. Outcome measures collected included treadmill walking distance (time to onset of pain or pain-free walking distance and maximum walking time or maximal walking distance), ankle brachial index (ABI), quality of life, morbidity or amputation; if none of these were reported the trial was not included in this review. DATA COLLECTION AND ANALYSIS Two review authors independently extracted data and assessed trial quality. MAIN RESULTS Eleven additional studies were included in this update making a total of 30 trials which met the inclusion criteria, involving a total of 1816 participants with stable leg pain. The follow-up period ranged from two weeks to two years. The types of exercise varied from strength training to polestriding and upper or lower limb exercises; generally supervised sessions were at least twice a week. Most trials used a treadmill walking test for one of the outcome measures. Quality of the included trials was moderate, mainly due to an absence of relevant information. The majority of trials were small with 20 to 49 participants. Twenty trials compared exercise with usual care or placebo, the remainder of the trials compared exercise to medication (pentoxifylline, iloprost, antiplatelet agents and vitamin E) or pneumatic calf compression; people with various medical conditions or other pre-existing limitations to their exercise capacity were generally excluded.Overall, when taking the first time point reported in each of the studies, exercise significantly improved maximal walking time when compared with usual care or placebo: mean difference (MD) 4.51 minutes (95% confidence interval (CI) 3.11 to 5.92) with an overall improvement in walking ability of approximately 50% to 200%. Walking distances were also significantly improved: pain-free walking distance MD 82.29 metres (95% CI 71.86 to 92.72) and maximum walking distance MD 108.99 metres (95% CI 38.20 to 179.78). Improvements were seen for up to two years, and subgroup analyses were performed at three, six and 12 months where possible. Exercise did not improve the ABI (MD 0.05, 95% CI 0.00 to 0.09). The effect of exercise, when compared with placebo or usual care, was inconclusive on mortality, amputation and peak exercise calf blood flow due to limited data. No data were given on non-fatal cardiovascular events.Quality of life measured using the Short Form (SF)-36 was reported at three and six months. At three months, physical function, vitality and role physical all significantly improved with exercise, however this was a limited finding as this measure was only reported in two trials. At six months five trials reported outcomes of a significantly improved physical summary score and mental summary score secondary to exercise. Only two trials reported improvements in other domains, physical function and general health.Evidence was generally limited for exercise compared with antiplatelet therapy, pentoxifylline, iloprost, vitamin E and pneumatic foot and calf compression due to small numbers of trials and participants. AUTHORS' CONCLUSIONS Exercise programmes are of significant benefit compared with placebo or usual care in improving walking time and distance in people with leg pain from IC who were considered to be fit for exercise intervention.
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Affiliation(s)
- Risha Lane
- Vascular Unit, Hull Royal Infirmary, Anlaby Road, Hull, UK, HU3 2JZ
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20
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Mika P, Konik A, Januszek R, Petriczek T, Mika A, Nowobilski R, Nizankowski R, Szczeklik A. Comparison of two treadmill training programs on walking ability and endothelial function in intermittent claudication. Int J Cardiol 2013; 168:838-42. [DOI: 10.1016/j.ijcard.2012.10.003] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2012] [Revised: 07/03/2012] [Accepted: 10/07/2012] [Indexed: 10/27/2022]
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21
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Fokkenrood HJP, Bendermacher BLW, Lauret GJ, Willigendael EM, Prins MH, Teijink JAW. Supervised exercise therapy versus non-supervised exercise therapy for intermittent claudication. Cochrane Database Syst Rev 2013:CD005263. [PMID: 23970372 DOI: 10.1002/14651858.cd005263.pub3] [Citation(s) in RCA: 71] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
BACKGROUND Although supervised exercise therapy is considered to be of significant benefit for people with leg pain (peripheral arterial disease (PAD)), implementing supervised exercise programs (SETs) in daily practice has limitations. This is an update of a review first published in 2006. OBJECTIVES The main objective of this review was to provide an accurate overview of studies evaluating the effects of supervised versus non-supervised exercise therapy on maximal walking time or distance on a treadmill for people with intermittent claudication. SEARCH METHODS For this update, the Cochrane Peripheral Vascular Diseases Group Trials Search Co-ordinator searched the Specialised Register (last searched September 2012) and CENTRAL (2012, Issue 9). In addition, we handsearched the reference lists of relevant articles for additional trials. No restriction was applied to language of publication. SELECTION CRITERIA Randomized clinical trials comparing supervised exercise programs with non-supervised exercise programs (defined as walking advice or a structural home-based exercise program) for people with intermittent claudication. Studies with control groups, which did not receive exercise or walking advice or received usual care (maintained normal physical activity), were excluded. DATA COLLECTION AND ANALYSIS Two review authors (HJPF and BLWB) independently selected trials and extracted data. Three review authors (HJPF, BLWB, and GJL) assessed trial quality, and this was confirmed by two other review authors (MHP and JAWT). For all continuous outcomes, we extracted the number of participants, the mean differences, and the standard deviation. The 36-Item Short Form Health Survey (SF-36) outcomes were extracted to assess quality of life. Effect sizes were calculated as the difference in treatment normalized with the standard deviation (standardized mean difference) using a fixed-effect model. MAIN RESULTS A total of 14 studies involving a total of 1002 male and female participants with PAD were included in this review. Follow-up ranged from six weeks to 12 months. In general, supervised exercise regimens consisted of three exercise sessions per week. All trials used a treadmill walking test as one of the outcome measures. The overall quality of the included trials was moderate to good, although some trials were small with respect to the number of participants, ranging from 20 to 304.Supervised exercise therapy (SET) showed statistically significant improvement in maximal treadmill walking distance compared with non-supervised exercise therapy regimens, with an overall effect size of 0.69 (95% confidence interval (CI) 0.51 to 0.86) and 0.48 (95% CI 0.32 to 0.64) at three and six months, respectively. This translates to an increase in walking distance of approximately 180 meters that favored the supervised group. SET was still beneficial for maximal and pain-free walking distances at 12 months, but it did not have a significant effect on quality of life parameters. AUTHORS' CONCLUSIONS SET has statistically significant benefit on treadmill walking distance (maximal and pain-free) compared with non-supervised regimens. However, the clinical relevance of this has not been demonstrated definitively; additional studies are required that focus on quality of life or other disease-specific functional outcomes, such as walking behavior, patient satisfaction, costs, and long-term follow-up. Professionals in the vascular field should make SET available for all patients with intermittent claudication.
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Affiliation(s)
- Hugo J P Fokkenrood
- Department of Vascular Surgery, Catharina Hospital, Michelangelolaan 2, Eindhoven, Netherlands, 5623 EJ
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22
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Miranda ADS, Rodrigues LBDCC, Rodrigues SLC, Cardoso Junior CG, Menacho MO, Christofaro DGD, Ritti-Dias RM. Effects of walking and strength training on walking capacity in individuals with claudication: meta-analysis. J Vasc Bras 2013. [DOI: 10.1590/s1677-54492013000200004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
CONTEXT: Over the past few years, several clinical trials have been performed to analyze the effects of exercise training on walking ability in patients with intermittent claudication (IC). However, it remains unclear which type of physical exercise provides the maximum benefits in terms of walking ability. OBJECTIVE: To analyze, by means of a meta-analysis, the effects of walking and strength training on the walking capacity in patients with IC. METHODS: Papers analyzing the effects of walking and strength training programs in patients with IC were browsed on the Medline, Lilacs, and Cochrane databases. Randomized clinical trials scoring >4 on the Physiotherapy Evidence Database (PEDro) scale and assessing claudication distance (CD) and total walking distance (TWD) were included in the review. RESULTS: Walking and strength training yielded increases in CD and TWD (P < 0.05). However, walking training yielded greater increases than strength training (P = 0.02). CONCLUSION: Walking and strength training improve walking capacity in patients with IC. However, greater improvements in TWD are obtained with walking training.
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23
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Influence of a moderate physical activity intervention on red cell deformability in patients suffering from chronic obstructive pulmonary disease (COPD). Wien Med Wochenschr 2013; 163:334-9. [PMID: 23423662 DOI: 10.1007/s10354-013-0183-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2012] [Accepted: 01/16/2013] [Indexed: 10/27/2022]
Abstract
The present study investigates whether a moderate physical activity intervention may alter red cell deformability (RCD) of patients suffering from chronic obstructive pulmonary disease (COPD). Subjects (n = 10; age: 62 ± 4; body-mass index (BMI): 25.8 ± 7.5) performed a training regimen for 10 weeks. In the beginning of the study and after the training period, COPD patients underwent a WHO cycle ergometry test. Venous blood samples were taken before (T0), immediately after (T1) and 30 min after (T2) the intervention. RCD was measured with the laser-assisted optical rotational cell analyzer (LORCA). Significant improvements of the RCD were detected. The semi-maximal shear stress increased significantly. Acute exhaustion had no effect on RCD. Thus, the training period of 10 weeks influenced RCD.
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Fakhry F, van de Luijtgaarden KM, Bax L, den Hoed PT, Hunink MGM, Rouwet EV, Spronk S. Supervised walking therapy in patients with intermittent claudication. J Vasc Surg 2013; 56:1132-42. [PMID: 23026425 DOI: 10.1016/j.jvs.2012.04.046] [Citation(s) in RCA: 114] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2011] [Revised: 03/19/2012] [Accepted: 04/09/2012] [Indexed: 11/17/2022]
Abstract
OBJECTIVE Exercise therapy is a common intervention for the management of intermittent claudication (IC). However, considerable uncertainty remains about the effect of different exercise components such as intensity, duration, or content of the exercise programs. The aim of this study was to assess the effectiveness of supervised walking therapy (SWT) as treatment in patients with IC and to update and identify the most important exercise components resulting in an optimal training protocol for patients with IC. METHODS A systematic literature search using MEDLINE, EMBASE, and Cochrane Central Register of Controlled Trials databases was performed. Randomized controlled trials (RCTs) published between January 1966 and February 2012 were included if they evaluated the effectiveness of SWT. Predefined exercise components were extracted, including treadmill use during training, claudication pain end point used during walking, length of the SWT program, and total training volume. A meta-analysis and meta-regression was performed to evaluate the weighted mean difference in maximum walking distance (MWD) and pain-free walking distance (PFWD) between SWT and noninterventional observation. RESULTS Twenty-five RCTs (1054 patients) comparing SWT vs noninterventional observation showed a weighted mean difference of 180 meters (95% confidence interval, 130-230 meters) in MWD and 128 meters (95% confidence interval, 92-165 meters) in PFWD, both in favor of the SWT group. In multivariable meta-regression analysis, none of the predefined exercise components were independently associated with significant improvements in MWD or PFWD. CONCLUSIONS SWT is effective in improving MWD and PFWD in patients with IC. However, pooled results from the RCTs did not identify any of the exercise components including intensity, duration, or content of the program as being independently associated with improvements in MWD or PFWD.
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Affiliation(s)
- Farzin Fakhry
- Department of Epidemiology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
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25
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van Pul KM, Kruidenier LM, Nicolaï SP, de Bie RA, Nieman FH, Prins MH, Teijink JA. Effect of Supervised Exercise Therapy for Intermittent Claudication in Patients With Diabetes Mellitus. Ann Vasc Surg 2012; 26:957-63. [DOI: 10.1016/j.avsg.2012.04.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2009] [Revised: 04/03/2012] [Accepted: 04/06/2012] [Indexed: 10/28/2022]
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Kruidenier LM, Viechtbauer W, Nicolaï SP, Büller H, Prins MH, Teijink JAW. Treatment for intermittent claudication and the effects on walking distance and quality of life. Vascular 2012; 20:20-35. [DOI: 10.1258/vasc.2011.ra0048] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The objective of the study was to provide an overview of the most common treatments for intermittent claudication and to determine the effectiveness in improving walking distance and quality of life based on a combination of direct and indirect evidence. We included trials that compared: angioplasty, surgery, exercise therapy or no treatment for intermittent claudication. Outcome measurements were walking distance (maximum, pain-free) and quality of life (physical, mental). We used a network meta-analysis model for the combination of direct and indirect evidence. We included 42 studies, presenting 3106 participants. The network meta-analysis showed that supervised exercise therapy (Δ = 1.62, P < 0.01), angioplasty (Δ = 1.89, P < 0.01) and surgery (Δ = 2.72, P = 0.02) increased walking distance significantly more than no treatment. Furthermore, supervised exercise therapy (Δ = 0.60, P < 0.01), angioplasty (Δ = 0.91, P = 0.01) and surgery (Δ = 1.07, P < 0.01) increased physical quality of life more than no treatment. However, in the sensitivity analysis, only supervised exercise therapy had additional value over no symptomatic treatment (Δ = 0.66, P < 0.01). In conclusion, this network meta-analysis indicates that supervised exercise therapy is more effective in both increasing walking distance and physical quality of life, compared with no treatment. Angioplasty and surgery also increase walking distance, compared with no treatment, but results for physical quality of life are less convincing.
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Affiliation(s)
| | - W Viechtbauer
- Department of Statistics, Maastricht University, Maastricht
| | - S P Nicolaï
- Department of Surgery, Maxima Medical Centre, Eindhoven
| | - H Büller
- Department of Internal Medicine, Academic Medical Centre, Amsterdam
| | - M H Prins
- Department of Epidemiology, Maastricht University, Maastricht
| | - J A W Teijink
- Department of Surgery, Catharina Hospital, Eindhoven, The Netherlands
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27
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Parmenter BJ, Raymond J, Dinnen P, Singh MAF. A systematic review of randomized controlled trials: Walking versus alternative exercise prescription as treatment for intermittent claudication. Atherosclerosis 2011; 218:1-12. [DOI: 10.1016/j.atherosclerosis.2011.04.024] [Citation(s) in RCA: 79] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2010] [Revised: 04/09/2011] [Accepted: 04/26/2011] [Indexed: 10/18/2022]
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Mika P, Wilk B, Mika A, Marchewka A, Niżankowski R. The effect of pain-free treadmill training on fibrinogen, haematocrit, and lipid profile in patients with claudication. ACTA ACUST UNITED AC 2011; 18:754-60. [DOI: 10.1177/1741826710389421] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Piotr Mika
- Department of Clinical Rehabilitation, University School of Physical Education, Krakow, Poland
| | - Boguslaw Wilk
- CENC Hamilton Health Sciences, McMaster University, Hamilton, Ontario, Canada
| | - Anna Mika
- Department of Clinical Rehabilitation, University School of Physical Education, Krakow, Poland
| | - Anna Marchewka
- Department of Clinical Rehabilitation, University School of Physical Education, Krakow, Poland
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29
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Nicolaï SPA, Hendriks EJM, Prins MH, Teijink JAW. Optimizing supervised exercise therapy for patients with intermittent claudication. J Vasc Surg 2010; 52:1226-33. [PMID: 20692797 DOI: 10.1016/j.jvs.2010.06.106] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2010] [Revised: 06/10/2010] [Accepted: 06/10/2010] [Indexed: 11/29/2022]
Abstract
BACKGROUND The first-line intervention for intermittent claudication is usually supervised exercise therapy (SET). The literature describes a range of exercise programs varying in setting, duration, and content. The purpose of the present study was to examine the exercise protocols offered and to identify the impact of the intensity of the SET programs (in terms of frequency, duration, and type of exercise) on improvements in walking distance (response) in the first 3 months. The present study is part of the Exercise Therapy in Peripheral Arterial Disease (EXITPAD) study, a multicenter randomized clinical trial comparing the effects of SET provided by regional physiotherapists, with or without daily feedback, on the level of activities with the effects of walking advice. METHODS The analysis included patients randomized to receive SET with or without feedback. The physical therapists administering the SET were asked to fill out therapy evaluation sheets stating frequency, duration, and type of exercises. The relationship between training volume and the impact on walking distance was explored by dividing training volume data into tertiles and relating them to the median change in maximum walking distance at 3 and 12 months. RESULTS Data of 169 patients were included in the analysis. A SET program consisting of at least two training sessions per week each lasting over 30 minutes, during the first 3 months of a 1-year program tailored to individual patients' needs led to better results in terms of walking distance after 3 and 12 months than the other variants. The results of our analysis dividing training volume into tertiles suggest that there is a relationship between training volume and improvement in walking distance and that at least 590 minutes of training should be offered in the first 3 months. No differences were found between program involving only walking and a combination of exercises, nor between individual and group training. CONCLUSION A SET programs consisting of at least two training sessions a week, each lasting over 30 minutes, should be offered during the first 3 months of the SET program to optimize improvement in terms of maximum walking distance.
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Affiliation(s)
- Saskia P A Nicolaï
- Máxima Medical Center Eindhoven/Veldhoven, Department of Surgery, Veldhoven, The Netherlands
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30
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Parmenter BJ, Raymond J, Fiatarone Singh MA. The effect of exercise on haemodynamics in intermittent claudication: a systematic review of randomized controlled trials. Sports Med 2010; 40:433-47. [PMID: 20433214 DOI: 10.2165/11531330-000000000-00000] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Changes in lower limb haemodynamics such as arterial pressure and/or flow have often been, and continue to be, cited as possible mechanisms for the improvement in walking performance that occurs with exercise training in individuals with peripheral arterial disease (PAD), but data are conflicting in this regard. There are a small number of literature reviews examining the effects of exercise on PAD, however, there has been insufficient analysis synthesizing possible mechanisms of effect, overall benefits and limitations of these trials. Our objective was therefore to systematically review the evidence for the effect of exercise on lower limb haemodynamic measures of resting and post-exercise ankle brachial index (ABI), resting toe pressure, and resting and reactive hyperaemic calf blood flow in PAD. A systematic search of studies published between 1934 and March 2010 was conducted using MEDLINE, EMBASE, AMED, SportDiscus, CINAHL, PEDro, Premedline, Google Scholar and Web of Knowledge databases. Eligible studies included randomized controlled trials using an exercise intervention for the treatment of intermittent claudication with haemodynamic measures of disease severity as outcomes. Relative effect sizes (ESs) and 95% confidence intervals were calculated for outcomes. Correlation and regression analyses were performed to establish relationships between symptoms and haemodynamic outcomes. Thirty-three trials including 1237 subjects with mild to moderate claudication met the eligibility criteria. Exercise did not significantly change lower extremity haemodynamics in most trials; nor were clinical improvements related to changes in resting ABI (mean ES 0.09 +/- 0.26; r = 0.02; p = 0.94), post-exercise ABI (mean ES 0.18 +/- 0.3; r = -0.33; p = 0.52) or reactive hyperaemic calf blood flow (mean ES 0.38 +/- 0.67; r = 0.35; p = 0.26). A relationship may exist between a change in symptoms and changes in resting toe pressure (mean ES 0.22 +/- 0.22; r = 0.75; p = 0.25) and resting calf blood flow (mean ES 0.09 +/- 0.16; r = 0.59; p = 0.22). Changes in resting and post-exercise ABI and reactive hyperaemic calf blood flow do not appear to explain the clinical benefits of exercise in PAD. More study is required in the areas of resting toe pressure and resting calf blood flow.
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Affiliation(s)
- Belinda J Parmenter
- Exercise, Health and Performance Faculty Research Group, Faculty of Health Sciences, University of Sydney, Sydney, New South Wales, Australia.
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Predictors of Walking Distance After Supervised Exercise Therapy in Patients with Intermittent Claudication. Eur J Vasc Endovasc Surg 2009; 38:449-55. [DOI: 10.1016/j.ejvs.2009.04.020] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2009] [Accepted: 04/25/2009] [Indexed: 11/20/2022]
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Abstract
BACKGROUND Exercise programmes are a relatively inexpensive, low-risk option compared with other more invasive therapies for leg pain on walking (intermittent claudication (IC)). OBJECTIVES To determine the effects of exercise programmes on IC, particularly in respect of reduction of symptoms on walking and improvement in quality of life. SEARCH STRATEGY The Cochrane Peripheral Vascular Diseases Group searched their Specialised Register (last search February 2008) and the Cochrane Central Register of Controlled Trials (CENTRAL) in The Cochrane Library 2008, Issue 1. SELECTION CRITERIA Randomised controlled trials of exercise regimens in people with IC due to peripheral arterial disease. DATA COLLECTION AND ANALYSIS Two authors independently extracted data and assessed trial quality. MAIN RESULTS Twenty-two trials met the inclusion criteria involving a total of 1200 participants with stable leg pain. Follow-up period was from two weeks to two years. There was some variation in the exercise regimens used, all recommended at least two sessions weekly of mostly supervised exercise. All trials used a treadmill walking test for one of the outcome measures. Quality of the included trials was good, though the majority of trials were small with 20 to 49 participants. Fourteen trials compared exercise with usual care or placebo; patients with various medical conditions or other pre-existing limitations to their exercise capacity were generally excluded.Compared with usual care or placebo, exercise significantly improved maximal walking time: mean difference (MD) 5.12 minutes (95% confidence interval (CI) 4.51 to 5.72;) with an overall improvement in walking ability of approximately 50% to 200%; exercise did not affect the ankle brachial pressure index (ABPI) (MD -0.01, 95% CI -0.05 to 0.04). Walking distances were also significantly improved: pain-free walking distance MD 82.19 metres (95% CI 71.73 to 92.65) and maximum walking distance MD 113.20 metres (95% CI 94.96 to 131.43). Improvements were seen for up to two years. The effect of exercise compared with placebo or usual care was inconclusive on mortality, amputation and peak exercise calf blood flow due to limited data.Evidence was generally limited for exercise compared with surgical intervention, angioplasty, antiplatelet therapy, pentoxifylline, iloprost and pneumatic foot and calf compression due to small numbers of trials and participants. Angioplasty may produce greater improvements than exercise in the short term but this effect may not be sustained. AUTHORS' CONCLUSIONS Exercise programmes were of significant benefit compared with placebo or usual care in improving walking time and distance in selected patients with leg pain from IC.
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Affiliation(s)
- Lorna Watson
- Cameron House, Cameron Bridge, Windygates, Leven, UK, KY8 5RG.
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