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Electrophysiology / HeartLogic™ Heart Failure Diagnostic / HeartLogic Case Studies / HeartLogic Alert Preceded Clinic...
 

HeartLogic Alert Preceded Clinic Visit by 3 Weeks, Now Allows Remote Follow-Up of Patient

Summary

 
HeartLogic Composite Trend Index Graph

(A) Day 43: Following implantation of a Resonate™ family CRT-D, the patient failed to connect their LATITUDE Communicator. This prevented a HeartLogic alert from transmitting. At this time, the night heart rate, respiratory rate and S3 were all elevated.

(B) Day 64: The patient was seen in-clinic for worsening heart failure (HF) symptoms, the CRT-D was interrogated using LATITUDE Consult™ and the patient was started on Entresto®.

(C) Day 69: Following the clinic visit, the patient connected the LATITUDE Communicator and began using their Bluetooth®-enabled weight scale and blood pressure cuff. This recorded a 30-pound decrease in the patient’s weight over the following month. Note that thoracic impedance did not detect the worsening heart failure symptoms.

HeartLogic was able to detect worsening heart failure three weeks before the patient was seen in-clinic with visible symptoms, which would have been reported had the communicator being connected. Importantly, following medication adjustment and connection to the LATITUDE system, the patient was able to be followed daily via remote monitoring without in-office visits.


 

 

Clinical Data

 

HeartLogic™ Heart Failure Index

HeartLogic Trend Graph for S3 Heart Sounds

     S3

HeartLogic Trend Graph for S1 Heart Sounds

     S1

HeartLogic Trend Graph for Thoracic Impedance

     Thoracic Impedence

HeartLogic Trend Graph for Respiratory Rate

     Respiratory Rate

HeartLogic Trend Graph for Night Heart Rate

     Night Heart Rate

HeartLogic Trend Graph for Sleep Incline

     Sleep Incline

HeartLogic Trend Graph for Weight

     Weight

HeartLogic Trend Graph for Blood Pressure

     Blood Pressure

HeartLogic Trend Graph for Activity Level

     Activity Level

HeartLogic Trend Graph for AT/AF Burden

     AT/AF Burden

HeartLogic Trend Graph for V Therapy

     V Therapy

HeartLogic Trend Graph for RV Rate During AT/AF

     RV Rate during AT/AF

HeartLogic Trend Graph for Mean Heart Rate

     Mean Heart Rate

HeartLogic Trend Graph for % LV Paced

     % LV Paced

HeartLogic Trend Graph for Heart Rate Variability (SDANN)

     Heart Rate Variability (SDANN)

LATITUDE® Patient Management - Heart Failure Management Report

LATITUDE Patient Management Heart Failure Management Report
LATITUDE Patient Management Heart Failure Management Report
 

Next Steps

 

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Results from the case studies are not necessarily predictive of results in other cases. Results in other cases may vary.

References

1. Boehmer JP, Hariharan R, Devecchi FG, et al. A Multisensor algorithm predicts heart failure events in patients with implanted devices: results from the MultiSENSE study. JACC Heart Fail. 2017 Mar;5(3):216-25.

Results from the case studies are not necessarily predictive of results in other cases. Results in other cases may vary.

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