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December 1983

Myocardial Dysfunction Following Blunt Chest Trauma

Author Affiliations

From the Department of Surgery (Drs Harley, Miranda, and Nelson) and the Division of Nuclear Medicine (Dr Mena); Los Angeles County Harbor/ UCLA Medical Center, Torrance; and the UCLA School of Medicine.

Arch Surg. 1983;118(12):1384-1387. doi:10.1001/archsurg.1983.01390120014005

• We prospectively studied 35 patients with blunt chest trauma using ECG multi-gated and first-pass nuclear angiography. Radionuclide angiography (RNA) is a sensitive test of myocardial function demonstrating right and left ventricular ejection fractions. First-pass angiography, in addition, shows left ventricular segmental wall motion, a qualitative as well as anatomic indicator of left ventricular function. We saw RNA abnormalities in 26 patients (74.2%). Eight patients (22.8%) had ECG abnormalities, and these findings correlated with RNA, suggesting that this technique is a very sensitive indicator of myocardial dysfunction following trauma. These studies warrant further experimental and clinical evaluations to determine the cause, significance, and long-term prognosis of posttraumatic myocardial dysfunction.

(Arch Surg 1983;118:1384-1387)

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