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Transcutaneous electrical nerve stimulation (TENS) in angina pectoris
Clas Mannheimer1, Carl-Axel Carlsson, Anders Vedin
1Pain Section, Department of Medicine, Östra Hospital, S-416 85 GöteborgSweden Department of Neurosurgery, Sahlgrenska Hospital, S-413 45 GöteborgSweden.
Pain
|September 1, 1986
Summary
Transcutaneous electrical nerve stimulation (TENS) effectively treats chronic stable severe angina pectoris. This non-invasive therapy improves exercise capacity, reduces pain and anginal attacks, and enhances myocardial function.
Area of Science:
- Cardiology
- Neurology
- Pain Management
Background:
- Chronic stable severe angina pectoris significantly impacts quality of life.
- Current treatments may have limitations or side effects.
- Exploring non-invasive therapeutic options is crucial.
Purpose of the Study:
- To evaluate the efficacy of transcutaneous electrical nerve stimulation (TENS) for chronic stable severe angina pectoris.
- To assess TENS's short-term and long-term effects on angina symptoms and patient capacity.
- To investigate TENS's impact on systemic and coronary hemodynamics and myocardial metabolism.
Main Methods:
- Short-term and long-term studies involving patients with severe angina.
- Utilized bicycle ergometer tests to measure working capacity and ST segment changes.
- Invasive study assessing hemodynamics and myocardial metabolism during pacing-induced ischemia.
Main Results:
- TENS improved working capacity (16-85%), reduced ST segment depression, and shortened recovery time.
- Long-term TENS use decreased pain, anginal attacks, and increased physical activity.
- TENS enhanced pacing tolerance, improved lactate metabolism, and reduced afterload, suggesting increased coronary flow.
Conclusions:
- Transcutaneous electrical nerve stimulation (TENS) is an effective, non-invasive treatment for chronic stable severe angina pectoris.
- TENS offers significant benefits in pain relief, functional capacity, and hemodynamic improvements.
- Further research into TENS for cardiovascular conditions is warranted.