Key result
Moderate acute cardiac rejection was associated with a significant decrease in the magnitude of cyclic variation in integrated ultrasonic backscatter in the posterior wall (from 6.7 to 5.1 dB; P<0.05).
Why the study?
Does serial measurement of integrated ultrasonic backscatter detect acute rejection in cardiac allograft recipients?
Population
23 cardiac allograft recipients and 18 normal subjects.
Comparison
Serial measurement of integrated ultrasonic… vs Normal subjects and baseline measurements prior…
Design
Cohort
Authors
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Serial measurement of integrated ultrasonic backscatter detects alterations in myocardial acoustic properties, providing a noninvasive method to recognize acute cardiac allograft rejection.
Observational (n=41)
Does serial measurement of integrated ultrasonic backscatter detect acute rejection in cardiac allograft recipients?
Absolute Event Rate: 5.1% vs 6.7%
p-value: p=<0.05
Serial measurement of integrated ultrasonic backscatter detects alterations in myocardial acoustic properties, providing a noninvasive method to recognize acute cardiac allograft rejection.
Masuyama et al. (1990) conducted an observational in Cardiac allograft rejection (n=41). Moderate acute cardiac rejection vs. Before moderate acute rejection was evaluated on Magnitude of cyclic variation of integrated ultrasonic backscatter in the posterior wall (p=<0.05). Moderate acute cardiac rejection was associated with a significant decrease in the magnitude of cyclic variation in integrated ultrasonic backscatter in the posterior wall (from 6.7 to 5.1 dB; P<0.05).
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