US 2025/0050115 A1 · ICE-OPTIMIZED LEFT ATRIUM AND LEFT ATRIAL APPENDAGE PACING

Abstract

A pacing system configured to sense cardiac activity and to deliver pacing therapy to a patient's heart. The pacing system may comprise a first electrode configured to be positioned in a first chamber of the heart and configured to deliver a first pacing therapy to the first chamber of the heart and a second electrode configured to be positioned in the left atrial appendage and configured to deliver a second pacing therapy to the left atrial appendage. The processing module of the pacing system may be configured to time a delivery of the first pacing therapy based on a first timing fiducial and a delivery of the second pacing therapy based on a determined pacing delay between the first pacing therapy and the second pacing therapy. The determined pacing delay may be configured to maximize a flow of blood into and/or out of the left atrial appendage.

Claims20

Dependent claims

A pacing system configured to sense cardiac activity and to deliver pacing therapy to a patient's heart, the pacing system comprising:

a first electrode configured to be positioned in a first chamber of the heart and configured to deliver a first pacing therapy to the first chamber of the heart;
a second electrode configured to be positioned adjacent to the left atrial appendage of the heart and configured to deliver a second pacing therapy to the left atrial appendage of the heart;
wherein the processing module of the pacing system is configured to time a delivery of at least part of the first pacing therapy of the first electrode based, at least in part on a first timing fiducial and the processing module of the pacing system is configured to time a delivery of at least part of the second pacing therapy of the second electrode based, at least in part on a determined pacing delay between the first pacing therapy and the second pacing therapy;
and
wherein the determined pacing delay is configured to maximize a flow of blood into and/or out of the left atrial appendage.

2 more elements

A method of implanting a pacing system, the method comprising:

delivering a first electrode to a first chamber of a heart;
delivering a second electrode to a left atrial appendage of the heart;
positioning an echocardiography system to measure blood flow into and/or out of the left atrial appendage of the heart;
delivering a first pacing therapy to the first chamber of the heart;
delivering a second pacing therapy to the left atrial appendage of the heart, the second pacing therapy delivered a period of time after the first pacing therapy;
while delivering the first pacing therapy and the second pacing therapy measuring a flow of blood into and/or out of the left atrial appendage;
repeatedly delivering the first pacing therapy to the first chamber of the heart, the second pacing therapy to the left atrial appendage of the heart and measuring the flow of blood into and/or out of the left atrial appendage while varying the period of time between the first pacing therapy and the second pacing therapy with each iteration of pacing therapy;
selecting an operational period of time between the first pacing therapy and the second pacing therapy which maximizes a flow of blood into and/or out of the left atrial appendage;
and
providing pacing therapy to the heart using the operational period of time between the first pacing therapy and the second pacing therapy.

7 more elements

Dependencies are inferred from the claim text.

Ice-optimized left atrium and left atrial appendage pacing

Life of this patent

Ice-optimized left atrium and left atrial appendage pacing

Life of this patent

Abstract

Claims20