User Manual

Table Of Contents
6. CLINICAL STUDIES
6.1.5 . Clinical Results V-V timing
V-V programmable settings were available for the clinical study devices as follows: ALTO
MSP model 617 (not programmable for V-V delay), ALTO 2 MSP model 627 values (0, 31,
39, 47, 55 and 63 ms) and OVATIO CRT-D 6750 values (0 to 63 ms in steps of 8 ms).
The graph below shows the programmed V-V settings at randomization by percentage of
patients programmed to each combination of Synchronous BiV pacing and V-V delay.
The optimization protocol in the clinical study specified that each patient randomized should
undergo echo guided V-V optimization. Per the investigational plan for the MSP Clinical
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SORIN INTENSIA SonR CRT-D 184U150A