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Related Concept Videos

Exercise and Cardiovascular Response01:20

Exercise and Cardiovascular Response

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Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
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Exercise Stress Test01:26

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Introduction
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes
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Exercise and Muscle Performance01:27

Exercise and Muscle Performance

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Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
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Exercise and Cardiac Output01:17

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Regular physical activity is essential for maintaining cardiovascular health, with aerobic exercises being particularly effective. According to the American Heart Association, 150 minutes of moderate to intense aerobic exercise per week is recommended for a healthy heart. Aerobic activities may include brisk walking, running, bicycling, cross-country skiing, and swimming, ideally performed three to five times per week.
Sustained exercise increases the muscles' oxygen demand, which can be...
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Gene Therapy00:59

Gene Therapy

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Gene therapy is a technique where a gene is inserted into a person’s cells to prevent or treat a serious disease. The added gene may be a healthy version of the gene that is mutated in the patient, or it could be a different gene that inactivates or compensates for the patient’s disease-causing gene. For example, in patients with severe combined immunodeficiency (SCID) due to a mutation in the gene for the enzyme adenosine deaminase, a functioning version of the gene can be...
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Bioavailability Study Design: Healthy Subjects Versus Patients01:15

Bioavailability Study Design: Healthy Subjects Versus Patients

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Bioavailability studies are essential for evaluating a drug's therapeutic efficacy and understanding its absorption patterns under various physiological conditions. Conducting such studies on target patient populations provides more relevant data by simulating real-world disease states. However, practical challenges often necessitate the use of young, healthy adult volunteers as study subjects.Patients may exhibit altered drug absorption patterns due to the effects of the disease itself,...
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Related Experiment Video

Updated: Feb 14, 2026

Computerized Dynamic Posturography for Postural Control Assessment in Patients with Intermittent Claudication
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Computerized Dynamic Posturography for Postural Control Assessment in Patients with Intermittent Claudication

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Retrospective Cohort Study Analysing Response to Supervised Exercise Therapy and Subsequent Revascularization in

Elizabeth J Bouch1, Suzanne Austerberry1, Frank L Bowling1,2

  • 1Manchester Academic Vascular Research and Innovation Centre (MAVRIC), Manchester Vascular Centre, Manchester University NHS Foundation Trust, Oxford Road, Manchester M13 9WL, UK.

Journal of Clinical Medicine
|February 13, 2026
PubMed
Summary

Supervised exercise therapy (SET) for intermittent claudication (IC) can prevent revascularisation. A 75% improvement in pain onset distance (POD) after SET significantly reduces the need for revascularisation, improving quality of life.

Keywords:
intermittent claudicationrevascularisationsupervised exercise therapy

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Area of Science:

  • Vascular Surgery
  • Rehabilitation Medicine
  • Patient Outcomes

Background:

  • Supervised exercise therapy (SET) is the recommended first-line treatment for intermittent claudication (IC).
  • Revascularisation is reserved for non-responders but carries risks and costs.
  • Identifying patients unlikely to benefit from SET is crucial for optimizing treatment pathways.

Purpose of the Study:

  • To evaluate patient responses to SET and their subsequent need for revascularisation.
  • To identify predictors of revascularisation following SET in individuals with IC.

Main Methods:

  • Retrospective cohort study of 142 patients undergoing hospital-based SET (2016-2020).
  • Data collected included demographics, pain onset distance (POD), revascularisation status, and quality of life (QoL).

Main Results:

  • A ≥75% improvement in POD after SET was associated with a significantly lower likelihood of requiring revascularisation (p < 0.019).
  • Current smokers were less likely to need revascularisation (p < 0.05).
  • Patients with prior revascularisation were more likely to require repeat procedures (p = 0.0071).

Conclusions:

  • Significant improvement in POD (≥75%) post-SET is a strong indicator for avoiding revascularisation.
  • Enhanced QoL post-SET correlates with a higher probability of avoiding revascularisation.