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HOW DOES THE TriageHF™ algorithm OPERATE?

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ALGORITHM OPERATION TriageHF™ technology

TriageHF™ uses previous 30 days of data to predict HF risk in the next 30 days

Calculated when data is received by the CareLink™ network

HF risk is classed by maximum risk from last 30 days

Based on a Bayesian, probabilistic model

TRIAGE HF™ is designed to integrate the diagnostic data collected by the compatible cardiac implanted device and provide an overall heart failure risk assessment. The risk assessment is based on an analysis of the cardiac device diagnostic data from the previous 30 days to calculate the probability of a heart failure event within the next 30 days.

TriageHF™ OVERVIEW

ALGORITHM OPERATION 

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TRIAGEHF™ WILL GENERATE A PATIENT’S  RISK LEVEL BY assessing²:

OptiVol™, Patient Activity, AT/AF Burden, Ventricular Rate during AT/AF, % Ventricular Pacing, Shocks, Treated VT/VF, Night Ventricular Rate, Heart Rate Variability.

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RISK SCORE

TriageHF™-enabled clinics can leverage the technology for all CIED* patients with OptiVol™, with backward compatibility.

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RISK OF A HF HOSPITALISATION IN THE NEXT 30 DAYS³

HIGH
Hazard Ratio 10x

MEDIUM
Hazard Ratio 2.1x

LOW
Neg Pred Value 99.4%

TRIAGEHF™ RISK ASSESSMENT 

Risk assessment graph
  1. The risk status reported for the patient for the next 30 days is based on the maximum daily risk status for the previous 30 days.
  2. Boxes marked with an “X” indicate an example of risk factors that contributed to the overall risk status.

DIAGNOSTIC PERFORMANCE AND VALIDATION OF A NOVEL RISK ASSESSMENT ALGORITHM

Prof. Haran Burri (Geneva)

ADDITIONAL RESOURCES

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Educational Resources on Medtronic Academy

Find additional feature information along with a variety of educational resources and tools.

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*

Compatible with most OptiVol™-enabled devices. Please contact your local Medtronic sales representative for a complete list.

REFERENCES

1

Heart Failure Society of America (HFSA) 22nd Annual Scientific Meeting. “What Do Heart Failure Patients Really Want, and Do Doctors Get it?” - Medscape Medical News - Nov 06, 2018. Available on-line at https://www.medscape.com/viewarticle/904440

2

Medtronic CareLink™ Heart Failure Risk Status Technical Manual M945636A001 A.

3

Cowie MR, et al. Eur Heart J. 2013;34:2472-2480.