TNNI3 and myocardial ischemia: Therefore, omentin-1 represents an optimistic biomarker for a prognosis of ischemic myocardial damage, when serum omentin-1 was low and high cardiac troponin-I indicates a poor prognosis, while normal or elevated omentin-1 serum level in IHD regardless of cardiac troponin-I indicates a good prognosis [26].