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Force- and relaxation-frequency relations in patients with diastolic heart failure  Takashi Yamanaka, MD, Katsuya Onishi, MD, FACC, Masaki Tanabe, MD,

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Presentation on theme: "Force- and relaxation-frequency relations in patients with diastolic heart failure  Takashi Yamanaka, MD, Katsuya Onishi, MD, FACC, Masaki Tanabe, MD,"— Presentation transcript:

1 Force- and relaxation-frequency relations in patients with diastolic heart failure 
Takashi Yamanaka, MD, Katsuya Onishi, MD, FACC, Masaki Tanabe, MD, Kaoru Dohi, MD, Kaoru Funabiki-Yamanaka, MD, Naoki Fujimoto, MD, Tairo Kurita, MD, Takashi Tanigawa, MD, Tetsuya Kitamura, MD, Masaaki Ito, MD, Tsutomu Nobori, MD, Takeshi Nakano, MD  American Heart Journal  Volume 152, Issue 5, Pages 966.e1-966.e7 (November 2006) DOI: /j.ahj Copyright © 2006 Mosby, Inc. Terms and Conditions

2 Figure 1 Representative LV pressure-volume loops from patients with SHF and DHF when atrial pacing was increased by 20 and 40 beat/min. American Heart Journal  , 966.e1-966.e7DOI: ( /j.ahj ) Copyright © 2006 Mosby, Inc. Terms and Conditions

3 Figure 2 Changes in cardiac function and hemodynamic parameters before (dashed line) and after atrial pacing was increased by 20 (gray solid line) and 40 (black solid line) beat/min. Closed circles indicate SHF and open circles indicate DHF. *P < .05 versus SHF; †P < .05 versus baseline; ‡P < .05 versus +20 beat/min. American Heart Journal  , 966.e1-966.e7DOI: ( /j.ahj ) Copyright © 2006 Mosby, Inc. Terms and Conditions

4 Figure 3 Changes in LV diastolic pressure-volume relation before (circles and dashed line) and after atrial pacing were increased by 20 (triangles and gray solid line) and 40 (squares and black solid line) beat/min. Four diastolic pressure-volume points are at minimal diastolic pressure, at points of one third and two thirds of time from minimal pressure to end-diastole and at end-diastolic pressure. Closed circles, triangles, and squares indicate SHF and open circles, triangles, and squares indicate DHF. Values are means in all patients with SHF or DHF. American Heart Journal  , 966.e1-966.e7DOI: ( /j.ahj ) Copyright © 2006 Mosby, Inc. Terms and Conditions

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