发明名称 |
METHOD FOR PREDICTING RECURRING VENTRICULAR ARRHYTHMIAS |
摘要 |
An implantable medical device and method are provided for assessing autonomic tone and risk factors associated with arrhythmias and, based on this assessment, an early recurrence of ventricular tachycardia or ventricular fibrillation is predicted. Specifically, changes in R-R interval, heart rate variability, patient activity, and myocardial ischemia are measured prior to and after a detected an arrhythmia episode. A recurrence score is calculated as a weighted sum of measured parameters and compared to a prediction criterion. The prediction criterion may be a preset threshold score or an individualized episode template based on previously calculated recurrence scores associated with recurring episodes. Stored parameters and episode-related data may be downloaded for offline analyses for optimizing prediction criteria and monitoring patient status.
|
申请公布号 |
WO03086187(A1) |
申请公布日期 |
2003.10.23 |
申请号 |
WO2003US10049 |
申请日期 |
2003.04.02 |
申请人 |
MEDTRONIC, INC. |
发明人 |
ZHOU, XIAOHONG;SHARMA, VINOD;OLSON, WALTER, H. |
分类号 |
A61B5/0452;A61B5/0402;A61B5/046;A61B5/0464;A61N1/362;A61N1/37;A61N1/39;(IPC1-7):A61B5/046 |
主分类号 |
A61B5/0452 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|