लू आदि द्वारा पत्र, "नॉनकार्डिक सर्जरी कराने वाले मरीजों में इवाब्राडीन: एक यादृच्छिक नियंत्रित परीक्षण" लेख के संदर्भ में

“Ivabradine did not reduce the risk of MINS in patients undergoing noncardiac surgery. Heart-rate lowering was modest and the possible higher MINS incidence in patients with known coronary artery disease is contrary to our original hypothesis. Further research is needed to establish a method to safely control the heart's stress associated with noncardiac surgery.”