发明名称 |
SYSTEMS AND METHODS FOR OPTIMIZING AV/VV PACING DELAYS USING COMBINED IEGM/IMPEDANCE-BASED TECHNIQUES FOR USE WITH IMPLANTABLE MEDICAL DEVICES |
摘要 |
Systems and methods are provided wherein intracardiac electrogram (IEGM) signals are used to determine a set of preliminary optimized atrioventricular (AV/PV) and interventricular (VV) pacing delays. In one example, the preliminary optimized AV/VV pacing delays are used as a starting point for further optimization based on impedance signals such as impedance signals detected between a superior vena cava (SVC) coil electrode and a device housing electrode, which are influenced by changes in stroke volume within the patient. Ventricular pacing is thereafter delivered using the AV/VV pacing delays optimized via impedance. In another example, parameters derived from IEGM signals are used to limit the scope of an impedance-based optimization search to reduce the number of pacing tests needed during impedance-based optimization. Biventricular and multi-site left ventricular (MSLV) examples are described.
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申请公布号 |
US2012165892(A1) |
申请公布日期 |
2012.06.28 |
申请号 |
US20100976322 |
申请日期 |
2010.12.22 |
申请人 |
MIN XIAOYI;BORNZIN GENE A.;CHOLETTE MARTIN;RYU KYUNGMOO;TAN CATHERINE;PACESETTER, INC. |
发明人 |
MIN XIAOYI;BORNZIN GENE A.;CHOLETTE MARTIN;RYU KYUNGMOO;TAN CATHERINE |
分类号 |
A61N1/365 |
主分类号 |
A61N1/365 |
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