Factor Information
Data ID 3440
Factor correlation between VE/VCO2 slope and cumulative survival rate
Description 1st, 2nd, 3rd quartiles, VE/VCO2 slope<38 vs. 4th quartile, VE/VCO2 >=38
Biomarker YES
Classification Z (combined factor - combined factor)
Association
Application risk assessment and prognosis
Objective We sought to establish the distribution, relation to cyanosis, and prognostic value of the V˙ E/V˙ CO2 slope across a wide spectrum of ACHD patients.
p Value <0.0001
Conclusion Ventilatory response to exercise is abnormal across the spectrum of ACHD. Cyanosis is a powerful stimulus for such exaggerated ventilatory patterns irrespective of the presence of pulmonary arterial hypertension. Increased V˙ E/V˙ CO2 slope is the strongest exercise predictor of death in noncyanotic ACHD patients.
Risk Factor unknown
CHD Type
ID 676
CHD Type isolated CHD/non-isolated CHD
CHD Subtype ASD/AVSD/ccTGA/CoA/other/EA/ES/TOF/CHD with PAH/VSD
Reference
PMID 16769913
Year 2006
Title Abnormal Ventilatory Response to Exercise in Adults With Congenital Heart Disease Relates to Cyanosis and Predicts Survival
Sample
Population adults
Source patients' data
Region London, United Kindom
Method onestep multivariate Cox proportional risks analyses and Kaplan-Meier survival chart
Race British
Disease History N/A
Treatment History N/A
Group N/A(Treatment) N/A(Control)
Number 357 121
Age N/A N/A
Gender (Male: Female) N/A N/A
Marker Level N/A N/A