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Physiological consequences of complete cardiac denervation.

¹Department of Cardiothoracic Surgery, Royal Postgraduate Medical School, Hammersmith Hospital, London.

British Journal of Hospital Medicine

|September 2, 1992

Summary

Transplanted human hearts stay denervated for years, preventing pain. Studying these hearts reveals insights into both transplant physiology and normal heart function.

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Area of Science:

Cardiology
Transplantation Medicine
Neuroscience

Background:

The transplanted human heart is functionally denervated for over five years post-surgery.
This denervation impacts cardiac function and prevents transplant recipients from experiencing ischemic pain.

Purpose of the Study:

To explore the physiological implications of a denervated transplanted heart.
To gain insights into the function of the normally innervated heart through the study of its denervated counterpart.

Main Methods:

Observational study of post-operative cardiac denervation.
Analysis of cardiac function in transplanted hearts.
Comparative physiology between denervated and innervated hearts.

Main Results:

Sustained functional denervation of the human transplanted heart for 5+ years.
Absence of ischemic pain sensation in heart transplant recipients.
Demonstration of unique physiological characteristics in the denervated cardiac state.

Conclusions:

The denervated transplanted heart serves as a model for understanding cardiac denervation.
Insights from denervated hearts contribute to knowledge of normal cardiac physiology.
Further research into denervation impacts cardiac function and patient monitoring.

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