Estimation of mortality risk during hospital stay after TAVI
In-hospital mortality risk (%):
Additional information for 1-year risk estimation
1-year mortality risk (%):
Calculate body mass index from height and weight
Convert weight in pounds (lb) into kilograms
Calculate height in centimeters from feet and inches
Estimation of the risk of cerebrovascular event (stroke or transient ischemic attack) related to TAVI
CVE probability is (%):
TAVI Adverse Event Risk Calculator (TAE)
The TAE calculator was previously hosted at www.deepheart.io and subsequently moved here at AlvissLabs in 2020 to showcase our efforts in the development of predictive medicine algorithms.
The TAVI (transcatheter aortic valve implantation or replacement) Adverse Event Calculator tools are intended to provide an estimation of the
risk of occurence of adverse events. Currently are provided calculators for mortality and cerebrovascular event
(stroke, transient ischemic event).
Origin of the calculators
The mortality prediction calculator has been developed using a shallow neural network on the French TAVI database (FRANCE-TAVI). A graphical representation of the model is:
The cerebrovascular event risk calculator has been developed using the random forest algorithm on the Swiss Bern TAVI database.
The provided calculators aim at classifying patients into 2 groups, high risk and low risk.
The proposed probability thresholds are 4% for mortality and 3.6% for cerebrovascular event prediction.
Notes about the mortality calculator
>1 APO within 1 year: 1 or more acutepulmonary oedema within the last year.
BMI: body mass index.
CABG: coronary artery bypass graft.
Coronary artery stenosis >50%: refers to untreated lesions before the procedure.
Critical state: ventricular tachycardia or cardiac arrest or inotropes or mechanical circulatory support.
CVE: cerebro-vascular event including stroke and transient ischemic attack.
LVEF: left ventricle ejection fraction.
LVOT: left ventricle outflow tract.
PAD: peripheral artery disease including carotid and lower limb atherosclerotic disease.
PCI: percutaneous coronary intervention.
Pulmonary hypertension: according to pulmonary artery pressure; none if below 30 mmHg, moderate if between 30 and 60 mmHg, and severe if over 60 mmHg.
Severe mobility reduction: wheelchair dependency or bed-bound.
Conversion tools are provided at the bottom of the mortality calculator page.
For further information regarding the studies which allowed the construction of the calculators:
Terms and conditions of use.
The calculators do not collect personally identifiable information from users.
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