PMID- 21807423 OWN - NLM STAT- MEDLINE DCOM- 20131022 LR - 20151119 IS - 1874-1754 (Electronic) IS - 0167-5273 (Linking) VI - 162 IP - 3 DP - 2013 Jan 20 TI - Combination of B-type natriuretic peptide and minute ventilation/carbon dioxide production slope improves risk stratification in patients with diastolic heart failure. PG - 193-8 LID - S0167-5273(11)00703-0 [pii] LID - 10.1016/j.ijcard.2011.07.017 [doi] AB - BACKGROUND: Recent studies demonstrated that the minute ventilation/carbon dioxide production (VE/VCO(2)) slope more powerfully predicted mortality, hospitalization, or both than peak oxygen consumption (VO(2)) in systolic heart failure. However, the prognostic values of these two parameters in diastolic heart failure remained unclear. METHODS: The patients with diastolic heart failure were recruited from April 2006 to May 2007, and underwent cardiopulmonary exercise testing. Plasma BNP concentration was measured using Triage BNP immunoassay method. RESULTS: Of the 224 patients enrolled, mean values for age and New York Heart Association (NYHA) class were 68.8 +/- 9.0 years and 2.38 +/- 0.53, respectively. During the mean follow-up of 30 months, 57 patients died (36 from cardiovascular death). Univariate Cox regression analysis showed that age, NYHA class, atrial fibrillation, diabetes mellitus, left ventricular diastolic dysfunction, peak VO(2), VE/VCO(2) slope, and plasma BNP were significantly associated with mortality. Multivariate analysis revealed that plasma BNP, VE/VCO(2) slope, and age remained independent predictors for cardiovascular and all-cause mortalities, with the strongest prognostic power of plasma BNP (chi(2) >/= 31.4, P < 0.001). In addition to plasma BNP and clinical predictors, the VE/VCO(2) slope could provide independent and incremental prognostic value of cardiovascular (chi(2) = 60.6 vs 51.7; P = 0.009) and all-cause mortalities (chi(2) = 62.8 vs 54.2; P = 0.015) with increased chi(2) value of Cox regression model. CONCLUSION: In diastolic heart failure, plasma BNP is the strongest predictor of mortality, and VE/VCO(2) slope provides independent and additive prognostic information, which suggests that combination of plasma BNP and VE/VCO(2) slope can improve risk stratification. CI - Copyright (c) 2011 Elsevier Ireland Ltd. All rights reserved. FAU - Yan, Jing AU - Yan J AD - Intensive Care Unit, Zhejiang Hospital, Lingyin Road 12, Hangzhou 310013, China. yanjing2011@yahoo.com.cn FAU - Gong, Shi-Jin AU - Gong SJ FAU - Li, Li AU - Li L FAU - Yu, Hai-Yan AU - Yu HY FAU - Dai, Hai-Wen AU - Dai HW FAU - Chen, Jin AU - Chen J FAU - Tan, Cheng-Wu AU - Tan CW FAU - Xv, Qiang-Hong AU - Xv QH FAU - Cai, Guo-Long AU - Cai GL LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20110731 PL - Netherlands TA - Int J Cardiol JT - International journal of cardiology JID - 8200291 RN - 0 (Biomarkers) RN - 114471-18-0 (Natriuretic Peptide, Brain) RN - 142M471B3J (Carbon Dioxide) SB - IM MH - Aged MH - Biomarkers/blood MH - Carbon Dioxide/*blood MH - Exercise Test/trends MH - Female MH - Follow-Up Studies MH - Heart Failure, Diastolic/*blood/*diagnosis/mortality MH - Humans MH - Male MH - Middle Aged MH - Natriuretic Peptide, Brain/*blood MH - Predictive Value of Tests MH - Pulmonary Ventilation/*physiology MH - Risk Assessment/trends EDAT- 2011/08/03 06:00 MHDA- 2013/10/23 06:00 CRDT- 2011/08/03 06:00 PHST- 2011/03/06 00:00 [received] PHST- 2011/05/20 00:00 [revised] PHST- 2011/07/03 00:00 [accepted] PHST- 2011/08/03 06:00 [entrez] PHST- 2011/08/03 06:00 [pubmed] PHST- 2013/10/23 06:00 [medline] AID - S0167-5273(11)00703-0 [pii] AID - 10.1016/j.ijcard.2011.07.017 [doi] PST - ppublish SO - Int J Cardiol. 2013 Jan 20;162(3):193-8. doi: 10.1016/j.ijcard.2011.07.017. Epub 2011 Jul 31.