Mintek Pacemaker LV-T Manuale Utente

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Stratos LV/LV-T Technical Manual  39 
The gender distribution in this clinical investigation was 
consistent within the study groups and included a representative 
proportion of enrolled female participants (57.2% versus 42.7% 
male).  There were no significant differences in the primary 
safety or effectiveness endpoints between the male and female 
population. 
1.7.2  Stratos LV Clinical Study – OVID study 
The OVID clinical study collected significant safety data 
supporting the Stratos LV/LV-T CRT-P system.  
Study Design 
BIOTRONIK conducted the Corox Over-the-Wire Lead 
Evaluation (OVID) prospective registry outside the United States 
(OUS) of the Corox OTW Steroid LV lead in a multi-center trial 
with legally marketed CRT-D and CRT-P pulse generators that 
provide biventricular pacing therapy.  Data from this registry is 
presented in the following sections to support the safety of the 
Stratos LV CRT-P. 
The multi-center investigation was designed to validate the 
safety of the Corox OTW Steroid LV lead through a comparison 
of successfully implanted LV leads against a pre-defined 
success rate threshold, when no anatomical restrictions prevent 
access to the coronary sinus.  The evaluation of safety is based 
on the analysis of the incidence of adverse events, defined as 
any complications or observations judged by the investigator to 
be in probable relationship with Corox OTW Steroid LV lead 
system.  Additionally, the effectiveness of the leads was 
evaluated using lead parameter data, including sensing 
amplitudes, pacing thresholds, and impedance values. 
In the OVID study, enrolled patients could be implanted with any 
legally marketed CRT-P or CRT-D device.  There were 121 
patients enrolled in the OVID clinical study, and 89 patients were 
implanted with a Stratos LV device.