Myocardial perfusion imaging in a case of cardiac strangulation: A novel approach to detect pacemaker-induced ischemia

Myocardial perfusion imaging in a case of cardiac strangulation: A novel approach to detect pacemaker-induced ischemia

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Cardiac strangulation is a rare phenomenon in children following epicardial pacemaker implantation, caused by compression of the heart and great vessels by the epicardial pacemaker wires.We report a rare case of jumbo wind gold cardiac strangulation presenting after 8 years of epicardial pacemaker implantation.On routine follow-up, computed tomography angiography showed significant extrinsic compression of the mid-left anterior descending (LAD) artery by the epicardial pacing wire.She liftmaster 850 receiver was referred to our department for myocardial perfusion imaging (MPI), which showed significant inducible ischemia in the LAD territory.

Following this, she underwent a successful pacemaker reimplantation.MPI can, thus, act as a good tool to assess the functional significance of the compression caused by strangulation of the heart by pacemaker leads in asymptomatic patients.