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Combined Effects of Aerobic Exercise and Strength Training Among Post CABG Patients

2026년 7월 17일 업데이트: Riphah International University

Combined Effects of Aerobic Exercise and Strength Training on Functional Capacity, Cardiorespiratory Fitness and Quality of Life With Cardiac Rehabilitation Phase II Among Post CABG Patients

Title of study Combined effects aerobic exercise and strength training on functional capacity, cardiorespiratory fitness and quality of life with cardiac rehabilitation phase II among post CABG patients Objective (s) of the study To investigate the combined effects of aerobic exercise and strength training on functional capacity, cardiorespiratory fitness and quality of life with cardiac rehabilitation phase II among post CABG patients.

Methodology (Design, sample size, sampling technique, Study setting, inclusion and exclusion criteria and Tool) Design: Randomized Controlled Trial Sample Size: 42 patients Sampling Technique: Convenient sampling technique will be used for selection of patient after that simple random sampling technique will be used for randomization among groups Study Setting: Hospital Setting SF-12, 6-min walk test, VO2 max, step test This study will not harm any fundamental rights of the patients and will consider and respect the preferences of patients.

연구 개요

상세 설명

Coronary artery bypass grafting (CABG) is a common surgical procedure for coronary artery disease (CAD). Post-CABG patients often experience decreased functional capacity, muscle strength, and quality of life due to prolonged bed rest, surgical trauma, and underlying cardiovascular disease. Cardiac Rehabilitation after coronary artery bypass graft surgery is necessary to prevent complications, improve functioning, and alleviate symptoms. Aerobic exercises and strength training are used in CR, but their combined effects on post-CABG patients are not well understood. The objective of this study will be to investigate the combined effects of aerobic exercise and strength training on functional capacity, cardiorespiratory fitness and quality of life with cardiac rehabilitation phase II among post CABG patients.

Study design will be randomized controlled trial. 42 patients will be included in study. Data will be collected from Imran Idrees hospital, Sialkot. Convenient sampling technique will be used for selection of patient after that simple random sampling technique for randomization among groups. Study will be conducted within 10 months after approval of synopsis. The SF-12 questionnaire will be used for quality of life, 6-minute walk test for functional capacity, step test and VO2max for cardiorespiratory fitness. Both genders aged between 30 to 60 years with stable cardiovascular condition and no other comorbidities will be included in this study. Participants with any musculoskeletal or neurological impairment and symptoms of significant myocardial ischemia, including chest pain and any history of fracture or surgery will be excluded from this study. Patients will be divided in to two groups. Group A will be assigned aerobic exercise and Group B will be assigned aerobic exercise and strength training. Pre and post values for functional capacity, cardiorespiratory fitness and quality of life will be recorded. Data will be analyzed by using SPSS version 24. After testing the Normality of data by applying Shapiro-wilk test, paired sample t-test/ independent t-test / Anova test to find which technique will be more beneficial for post CABG patients.

연구 유형

중재적

등록 (추정된)

42

단계

  • 해당 없음

연락처 및 위치

이 섹션에서는 연구를 수행하는 사람들의 연락처 정보와 이 연구가 수행되는 장소에 대한 정보를 제공합니다.

연구 연락처

연구 연락처 백업

연구 장소

    • Punjab Province
      • Sialkot, Punjab Province, 파키스탄, 40100
        • 모병
        • Imran Idrees teaching hospital sialkot
        • 연락하다:
        • 수석 연구원:
          • Nida Khalid, MS PT

참여기준

연구원은 적격성 기준이라는 특정 설명에 맞는 사람을 찾습니다. 이러한 기준의 몇 가지 예는 개인의 일반적인 건강 상태 또는 이전 치료입니다.

자격 기준

공부할 수 있는 나이

  • 성인

건강한 자원 봉사자를 받아들입니다

아니

설명

Inclusion Criteria:

  • Both genders (male, female)

    • Patient who underwent a successful CABG (no complications during surgery and/or in the following weeks)
    • Patients willing to participate in the phase II cardiac rehabilitation program.
    • Age between 30 to 60 years
    • Patients having no impairment in the musculoskeletal system

Exclusion Criteria:

  • Patients with unstable congestive heart failure and symptoms of significant myocardial ischemia, including chest pain

    • Patients with uncontrolled diabetes mellitus or hypertension.
    • Patients with any motor or neurological impairment
    • Patients with severe disturbance of consciousness, having an orthopedic problem and critical limb ischemia

공부 계획

이 섹션에서는 연구 설계 방법과 연구가 측정하는 내용을 포함하여 연구 계획에 대한 세부 정보를 제공합니다.

연구는 어떻게 설계됩니까?

디자인 세부사항

  • 주 목적: 치료
  • 할당: 무작위
  • 중재 모델: 병렬 할당
  • 마스킹: 더블

무기와 개입

참가자 그룹 / 팔
개입 / 치료
활성 비교기: aerobic exercise
Aerobic exercise refers to the type of repetitive, structured physical activity that requires the body's metabolic system to use oxygen to produce energy. Aerobic exercise improves the capacity of the cardiovascular system to uptake and transport oxygen. Aerobic exercise training intensity is the most important variable in improving CRF during CR for most patients. Upper limb cycle ergometry is a form of aerobic exercise that can be tailored to individual needs. In the described protocol, patients perform 5 minutes of active exercise followed by 2 minutes of recovery, maintaining 20-30 rotations per minute. Moderate-intensity continuous aerobic training (MCT) is defined as 60% to 85% of peak heart rate and/or RPE of 12 to 14 on the 6 to 20 scale.

Aerobic Exercise Plan:

  1. Warm-up (5 minutes): - Light arm movements (e.g., arm circles, shoulder rolls) - Dynamic stretching (e.g., arm swings)
  2. Aerobic Exercise (20-30 minutes): - Arm cycle ergometer - Intensity: Moderate (40-60% of maximum heart rate reserve) - Frequency: 2-3 times per week
  3. Cool-down (5-10 minutes): - Static stretching (e.g., bicep, triceps, chest muscles)
활성 비교기: Aerobic Exercise and strength training
supervised exercise sessions 3 times per week for 6 months. Thus, in addition to the aerobic exercise training (as above), upper extremity resistance exercise was initially prescribed at 30% of 1RM, increasing to a maximum of 70% of 1RM by 4 weeks. Seventy percent of 1RM is in the comfortably hard range (5-7 on the Borg 1-10 scale, which is comparable to 13-15 on the 6-20 Borg scale). Each exercise repetition involved a slow controlled movement with approximately 2 sec of concentric lifting and 4 sec of eccentric lowering. Proper breathing techniques were enforced (with expiration during concentric lifting and inspiration during eccentric lowering).
  1. Warm-up (5-10 minutes): - Light cardio (e.g., walking, jogging in place) - Dynamic stretching (e.g., arm circles, leg swings)
  2. Aerobic Exercise (10-20 minutes): - Arm cycle ergometer - Intensity: Moderate (40-60% of maximum heart rate reserve) - Frequency: 2-3 times per week
  3. Resistance Training (10-15 minutes): - Upper extremity exercises using resistance bands or light dumbbells - 2-3 sets of 8-12 repetitions per exercise - Intensity: 30-70% of 1RM - Frequency: 2-3 times per week

Cool-down (5-10 minutes): - Static stretching (e.g., bicep, triceps, chest muscles)

연구는 무엇을 측정합니까?

주요 결과 측정

결과 측정
측정값 설명
기간
Six-Minute Walk Test (6MWT)
기간: 5 weeks
The six-minute walk test (6MWT) is a simple test that objectively evaluates a patient's functional capacity. This simple walk test is particularly applicable in the CAD population due to the risk of acute cardiac events associated with the gold standard maximal exercise testing for assessing functional capacity. The 6MWT requires a 30-m, flat, hard walking path, a stopwatch, a lap counter and two cones to mark the turning points. The patients were instructed to walk as far as possible along the pathway, in 6 minutes. During the test encouragement was not given and only asked about their conditions. At the end, total walked distance was measured and recorded
5 weeks
Step test
기간: 5 weeks
The 6 min step test is a safe, valid, sensitive, and reproducible tool for evaluating cardiorespiratory fitness. The 6MST was shown to be a safe and reliable field test to assess exercise tolerance in a sample of very deconditioned adults at risk of CVD
5 weeks
Vo2 max
기간: 5 weeks
Vo2 max was estimated using a graded exercise test. Oxygen consumption was measured using metabolic gas analyzer. In this research VO2 Max will be measured through a submaximal 6 mint walk test
5 weeks

2차 결과 측정

결과 측정
측정값 설명
기간
SF-12 Questionnaire
기간: 5 weeks
The SF-12 are multi-item generic health surveys intended to measure general health. The SF 12 is a shorter version of the SF-36 and uses only 12 questions to measure functional health and well-being from the patient's perspective. SF-12 were first published in 1992 and 1996, respectively, with the revised versions of both questionnaires published in 2000. SF-12 measure 8 health domains: physical functioning, role physical, bodily pain, general health, vitality, social functioning, role emotional, and mental health. The SF-12 consists of 12 items: 2 items on physical functioning, 2 items on role physical, 1 item on bodily pain, 1 item on general health, 1 item on vitality, 1 item on social functioning, 2 items on role emotional, and 2 items on mental health.
5 weeks

공동 작업자 및 조사자

여기에서 이 연구와 관련된 사람과 조직을 찾을 수 있습니다.

수사관

  • 수석 연구원: Arjumand Bano, MS, Riphah International University

연구 기록 날짜

이 날짜는 ClinicalTrials.gov에 대한 연구 기록 및 요약 결과 제출의 진행 상황을 추적합니다. 연구 기록 및 보고된 결과는 공개 웹사이트에 게시되기 전에 특정 품질 관리 기준을 충족하는지 확인하기 위해 국립 의학 도서관(NLM)에서 검토합니다.

연구 주요 날짜

연구 시작 (실제)

2026년 6월 1일

기본 완료 (추정된)

2026년 8월 1일

연구 완료 (추정된)

2026년 8월 1일

연구 등록 날짜

최초 제출

2026년 6월 1일

QC 기준을 충족하는 최초 제출

2026년 7월 17일

처음 게시됨 (실제)

2026년 7월 20일

연구 기록 업데이트

마지막 업데이트 게시됨 (실제)

2026년 7월 20일

QC 기준을 충족하는 마지막 업데이트 제출

2026년 7월 17일

마지막으로 확인됨

2026년 7월 1일

추가 정보

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이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .

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