COVID-19 UPDATE: All elective surgeries and procedures are cancelled until further notice. Please see our latest visitor policy. If you think you may have been exposed or have symptoms, please call your provider before visiting one of our locations. For more information, please visit our online COVID-19 Information Center or call the Montefiore-Einstein COVID-19 Hotline: 1-844-444-CV19 (1-844-444-2819).

ACTUALIZACIÓN SOBRE EL COVID-19: Todas las cirugías y operaciones quedan canceladas hasta nuevo aviso. Lea nuestras nuevas normas para visitas. Si cree que podría haber estado en contacto con la enfermedad o si presenta síntomas, por favor llame a su proveedor antes de acudir a cualquiera de nuestros centros. Más información en nuestro Centro de Información en Línea sobre el COVID-19 o llamando a la línea informativa Montefiore-Einstein de COVID-19: 1-844-444-CV19 (1-844-444-2819).

Espanol
Transmyocardial Revascularization (TMR)
Home >  Heart (Cardiology & Vascular) >  Services and Treatments >  Treatments/Procedures for Heart and Vascular Disease >  Surgical Services >  Transmyocardial Revascularization (TMR)
Print

Services and Treatments

Transmyocardial Revascularization (TMR)

Transmyocardial revascularization (TMR) uses a Holmium: YAG laser to create channels that pass through a patient's heart muscle into the left ventricle. This procedure reduces the chronic chest pain experienced by patients with severe angina who are not candidates for coronary artery bypass (CABG). For patients suffering with angina, the strain daily activities, such as enjoying a big meal or rushing to catch a train, can stress the heart and cause chest pain ranging from tight pressure in the chest to a burning sensation.

Surgeons also perform TMR on areas of the heart too weak to withstand angioplasty, stent or CABG. If a patient can receive bypass in one area of the heart but not another, TMR is combined with bypass to increase the patient's overall pain relief.

How is Transmyocardial Revascularization Performed?

During a transmyocardial revascularization (TMR) procedure, the patient is put under general anesthesia and a cardiothoracic surgeon accesses the patient's heart through a thoracotomy. The surgeon guides a laser to the part of the heart receiving therapy, where energy is delivered in precise bursts. These electric pulses create 20 to 45 tiny channels through the heart muscle into the left ventricle, which allows the surrounding heart tissue to be flooded with oxygen-rich blood.

Why does TMR provide relief?

While TMR is still being studied, the most current research and clinical studies suggest that the blood flowing through the channels created during this procedure encourages the growth of new blood vessels. Theoretically, these new blood vessels may increase the blood and oxygen supply in damaged heart muscle. Studies show that 75 percent of patients who receive TMR report drastically reduced pain and increased quality of life.