Ability of heart rate variability to predict prognosis in patients with advanced congestive heart failure.
We analyzed heart rate variability from normal RR intervals in patients with advanced congestive heart failure. Although most patients had decreased HRV, patients with a life-threatening cardiac event or death (n = 8) within 18 months had significantly lower heart rate variability than those who did not (n = 18), which may have value in determining prognosis in this population.
Jiang
W
W
Duke Clinical Research Institute, Durham, North Carolina 27710, USA.
Hathaway
W R
WR
McNulty
S
S
Larsen
R L
RL
Hansley
K L
KL
Zhang
Y
Y
O'Connor
C M
CM
D000328:Adult; D000368:Aged; D016757:Death, Sudden, Cardiac; D018572:Disease-Free Survival; D015716:Electrocardiography, Ambulatory; D005260:Female; D006333:Heart Failure / Q000150:complications / Q000401:mortality* / Q000503:physiopathology*; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D011237:Predictive Value of Tests; D011379:Prognosis; D016016:Proportional Hazards Models; D011446:Prospective Studies; D011897:Random Allocation