Prof. Opie's major interest has been in the field of cardiology, in relation to the application of metabolic therapy to heart disease, starting with three early Nature articles that led to a major recent clinical study in conjunction with Tufts University, Boston, and published in the Journal of the American Heart Association , on the benefits of glucose-insulin- potassium (GIK) infusions given in the ambulance to patients with very early heart attacks.在Hatter Institute(1997-2010)(1997-2010)进行的主要小说工作中,受Sandrine Lecour教授的启发,发现了生存因子增强因子增强(安全)路径,从而赋予了分子和代谢有氧运动保护,从而使心脏病发作受害者受益。他的其他许多研究都涉及急性心力衰竭,心血管药物疗法和高血压。