Echocardiographic detection of early diabetic myocardial disease
Zhi You Fang, BM, MHSc*,
Satoshi Yuda, MD, PhD*,
Vinah Anderson, BSN*,
Leanne Short, BS*,
Colin Case, MSc* and
Thomas H. Marwick, MB.BS, PhD, FACC*,*
* University of Queensland, Brisbane, Australia
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Figure 1 Relationship of strain and backscatter measurements in four groups. The top line shows a significant reduction of peak strain and strain rate in LVH (patients with left ventricular hypertrophy), DM (diabetic patients with no LVH), and DH (diabetic patients with LVH) groups compared with CON (control) group. Peak strain and strain rate in the DH group were significantly less than those in the DM and LVH group. The lower line shows septal calibrated integrated backscatter (IB) in the LVH, DM, and DH groups. Posterior wall calibrated IB in the LVH and DH groups were significantly decreased compared with the CON group, without a significant difference in posterior wall calibrated IB between the DM and CON groups. There were no significant differences in calibrated IB of the septum or posterior wall among the three patient groups. CI = confidence interval; cIB = calibrated integrated backscatter; PWcIB = posterior wall calibrated integrated backscatter; ScIB = septal calibrated integrated backscatter.
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