A method monitors a property of tissue of an internal bodily organ that is not functioning properly or that is threated by disease. The method monitors, in real time, the property of tissue of the internal bodily organ by contacting the tissue. Based on the monitoring step, the method adjusts the property of the tissue to improve functioning of the internal bodily organ, to help prevent further damage to the tissue, to prevent death of the tissue, or to help the tissue recover from a diseased state. A device for monitoring and adjusting a property of tissue of an internal bodily organ is also provided.