Abstract:
BACKGROUND:Hypertension is a common comorbidity in patients with heart failure and may contribute to development and course of disease, but the importance of a history of hypertension in patients with prevalent heart failure remains uncertain. METHODS:3078 consecutively hospitalized heart failure patients (NYHA classes II-IV) were screened for the EchoCardiography and Heart Outcome Study (ECHOS). The left ventricular ejection fraction (LVEF) was estimated by 2 dimensional transthoracic echocardiography in all patients and a subgroup of 878 patients had additional data on pulsed wave Doppler assessment of transmitral flow available. A restrictive filling (RF) was defined as a mitral inflow deceleration time ≤140 ms. Patients were followed for a median of 6.8 (Inter Quartile Range 6.6-7.0) years and multivariable Cox regression models were used to assess the risk of all-cause mortality associated with hypertension. RESULTS:The study population had a mean age of 73 ± 11 years. 39% were female, 27% had a history of hypertension and 48% had a RF. Over the study period, 64% of the population died. Hypertension was not associated with increased risk of mortality, hazard ratio (HR) 0.95 (0.85-1.05). LVEF did not modify this relationship (p for interaction = 0.7), but RF pattern substantially influenced the outcomes associated with hypertension (p for interaction < 0.001); HR 0.75 (0.57-0.99) and 1.41 (1.08-1.84) in patients without and with RF, respectively. CONCLUSIONS:In patients with symptomatic heart failure, a history of hypertension is associated with a substantially increased relative risk of mortality among patients with a restrictive transmitral filling pattern.
journal_name
BMC Cardiovasc Disordjournal_title
BMC cardiovascular disordersauthors
Andersson C,Gislason GH,Weeke P,Kjaergaard J,Hassager C,Akkan D,Møller JE,Køber L,Torp-Pedersen C,EchoCardiography and Heart Outcome Study (ECHOS) investigators.doi
10.1186/1471-2261-12-30subject
Has Abstractpub_date
2012-04-25 00:00:00pages
30issn
1471-2261pii
1471-2261-12-30journal_volume
12pub_type
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