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  1. AU="Warner, Brit"
  2. AU="JOCHEN SCHÖNGART"
  3. AU="Curdy, Nicolas"
  4. AU="Nkfusai, Claude Ngwayu"
  5. AU="Peng, Yonghan"
  6. AU="Decker, Miriam"
  7. AU="Campbell, Kerry"
  8. AU="Le Deley, Marie-Cécile" AU="Le Deley, Marie-Cécile"
  9. AU="Guan, Shu"

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  1. Artikel ; Online: Inspiratory muscle strength is related to exertional dyspnoea in heart failure with preserved ejection fraction.

    Warner, Brit / Bruhn, Eric J / Olson, Thomas P / Bissen, Thomas G / Borlaug, Barry A / Smith, Joshua R

    European journal of heart failure

    2023  Band 25, Heft 9, Seite(n) 1716–1717

    Mesh-Begriff(e) Humans ; Stroke Volume/physiology ; Heart Failure/complications ; Muscle Strength ; Dyspnea/etiology
    Sprache Englisch
    Erscheinungsdatum 2023-08-02
    Erscheinungsland England
    Dokumenttyp Letter
    ZDB-ID 1483672-5
    ISSN 1879-0844 ; 1388-9842
    ISSN (online) 1879-0844
    ISSN 1388-9842
    DOI 10.1002/ejhf.2980
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  2. Artikel ; Online: Higher Work of Breathing During Exercise in Heart Failure With Preserved Ejection Fraction.

    Villarraga, Nicolas / Warner, Brit / Bruhn, Eric J / Hammer, Shane M / Bissen, Thomas G / Olson, Thomas P / Smith, Joshua R

    Chest

    2022  Band 163, Heft 6, Seite(n) 1492–1505

    Abstract: Background: It is unknown if pulmonary alterations in heart failure with preserved ejection fraction (HFpEF) impact respiratory mechanics during exercise.: Research question: Are the operating lung volumes, work of breathing (Wb), and power of ... ...

    Abstract Background: It is unknown if pulmonary alterations in heart failure with preserved ejection fraction (HFpEF) impact respiratory mechanics during exercise.
    Research question: Are the operating lung volumes, work of breathing (Wb), and power of breathing (Pb) abnormal in patients with HFpEF during exercise?
    Study design and methods: Patients with HFpEF (n = 8; median age, 71 years [interquartile range (IQR), 66-80 years]) and control participants (n = 9; median age, 68 years [IQR, 64-74 years]) performed incremental cycling to volitional exhaustion. Esophageal pressure, end-expiratory lung volume (EELV), inspiratory lung volume (EILV), and ventilatory variables were compared at similar absolute (30 and 50 L/min) and relative (45% of peak, 70% of peak, and 100% of peak) minute ventilation (V.
    Results: During exercise, EELVs were not different between patients with HFpEF and control participants (P > .13 for all). EILVs were lower in patients with HFpEF than control participants at 45% and 70% V.
    Interpretation: These data demonstrate the HFpEF syndrome is associated with pulmonary alterations eliciting a greater Pb during exercise resulting from greater inspiratory and expiratory resistive Pb.
    Mesh-Begriff(e) Humans ; Aged ; Work of Breathing ; Heart Failure ; Stroke Volume ; Lead ; Respiration ; Exercise Test ; Exercise Tolerance
    Chemische Substanzen Lead (2P299V784P)
    Sprache Englisch
    Erscheinungsdatum 2022-12-05
    Erscheinungsland United States
    Dokumenttyp Journal Article
    ZDB-ID 1032552-9
    ISSN 1931-3543 ; 0012-3692
    ISSN (online) 1931-3543
    ISSN 0012-3692
    DOI 10.1016/j.chest.2022.11.039
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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