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Article ; Online: Reply to Dr. Beltrami.

Bailey, E Fiona

Journal of applied physiology (Bethesda, Md. : 1985)

2020 Volume 129, Issue 6, Page(s) 1440

MeSH term(s)	Aged ; Blood Pressure ; Humans ; Muscles ; Pilot Projects ; Resistance Training ; Sleep Apnea, Obstructive
Language	English
Publishing date	2020-10-09
Publishing country	United States
Document type	Letter ; Comment
ZDB-ID	219139-8
ISSN	1522-1601 ; 0021-8987 ; 0161-7567 ; 8750-7587
ISSN (online)	1522-1601
ISSN	0021-8987 ; 0161-7567 ; 8750-7587
DOI	10.1152/japplphysiol.00822.2020
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Article ; Online: Acute inspiratory resistance training enhances endothelium-dependent dilation and retrograde shear rate in healthy young adults.

Tavoian, Dallin / Mazzone, Josie L / Craighead, Daniel H / Bailey, E Fiona

Physiological reports

2024 Volume 12, Issue 3, Page(s) e15943

Abstract: Inspiratory resistance training (IRT) yields significant reductions in resting blood pressure and improves vascular endothelial function. Our objective was to quantify the acute effects of IRT on brachial artery flow-mediated dilation (FMD) and shear ... ...

Abstract	Inspiratory resistance training (IRT) yields significant reductions in resting blood pressure and improves vascular endothelial function. Our objective was to quantify the acute effects of IRT on brachial artery flow-mediated dilation (FMD) and shear rates (SRs) in healthy men and women. Twenty young adults (22.9 ± 3.4 years; 10 male, 10 female) completed a single bout of IRT or Rest condition in a randomized crossover design. Brachial artery FMD was performed before, 10 min after, and 40 min after the assigned condition. Brachial artery blood flow velocities were collected during IRT, separated by breathing cycle phase, and converted into SRs. FMD improved 10 min post-IRT (+1.86 ± 0.61%; p = 0.025) but returned to baseline by 40 min post-IRT (p = 0.002). Anterograde SR decreased by 10% and retrograde SR increased 102% during resisted inspiration, relative to baseline SR (p < 0.001). Anterograde SR increased by 7% in men and women (p < 0.001) and retrograde SR decreased by 12% in women but not men (p = 0.022) during unresisted expiration, relative to baseline SR. A single bout of IRT elicits a transient enhancement in FMD in both men and women. Acute IRT-related enhancements in SRs may contribute to sustained improvements in FMD that have been reported previously.
MeSH term(s)	Adult ; Female ; Humans ; Male ; Young Adult ; Blood Flow Velocity/physiology ; Brachial Artery/physiology ; Cross-Over Studies ; Dilatation ; Endothelium, Vascular/physiology ; Regional Blood Flow/physiology ; Resistance Training ; Stress, Mechanical ; Vasodilation/physiology
Language	English
Publishing date	2024-02-03
Publishing country	United States
Document type	Journal Article ; Randomized Controlled Trial
ZDB-ID	2724325-4
ISSN	2051-817X ; 2051-817X
ISSN (online)	2051-817X
ISSN	2051-817X
DOI	10.14814/phy2.15943
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Article ; Online: Mechanisms of respiratory modulation of cardiovascular control.

Sheel, A William / Bailey, E Fiona

Journal of applied physiology (Bethesda, Md. : 1985)

2020 Volume 128, Issue 1, Page(s) 212–213

MeSH term(s)	Animals ; Cardiovascular System ; Humans ; Respiratory Mechanics ; Respiratory Physiological Phenomena
Language	English
Publishing date	2020-01-14
Publishing country	United States
Document type	Editorial
ZDB-ID	219139-8
ISSN	1522-1601 ; 0021-8987 ; 0161-7567 ; 8750-7587
ISSN (online)	1522-1601
ISSN	0021-8987 ; 0161-7567 ; 8750-7587
DOI	10.1152/japplphysiol.00537.2019
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Article ; Online: A short course of high-resistance, low-volume breathing exercise extends respiratory endurance and blunts cardiovascular responsiveness to constant load respiratory testing in healthy young adults.

DeLucia, Claire M / Tavoian, Dallin / Debonis, Dean R / Wyatt Snell, E / Schwyhart, Sarah M / Bailey, E Fiona

Respiratory physiology & neurobiology

2022 Volume 307, Page(s) 103974

Abstract: Our objective was to evaluate the effects of 6-weeks high-resistance, low-volume inspiratory muscle strength training (IMST) on respiratory endurance, blood pressure (BP) and heart rate (HR) responsiveness to high respiratory workloads. Ten healthy young ...

Abstract	Our objective was to evaluate the effects of 6-weeks high-resistance, low-volume inspiratory muscle strength training (IMST) on respiratory endurance, blood pressure (BP) and heart rate (HR) responsiveness to high respiratory workloads. Ten healthy young adults completed two constant-load resistive breathing tests to exhaustion (T
MeSH term(s)	Young Adult ; Humans ; Breathing Exercises ; Respiratory Muscles/physiology ; Lung ; Respiration ; Cardiorespiratory Fitness
Language	English
Publishing date	2022-09-27
Publishing country	Netherlands
Document type	Journal Article ; Research Support, N.I.H., Extramural
ZDB-ID	2077867-3
ISSN	1878-1519 ; 1569-9048
ISSN (online)	1878-1519
ISSN	1569-9048
DOI	10.1016/j.resp.2022.103974
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Article ; Online: Inspiratory muscle strength training lowers blood pressure and sympathetic activity in older adults with OSA: a randomized controlled pilot trial.

Ramos-Barrera, Guadalupe Elizabeth / DeLucia, Claire M / Bailey, E Fiona

Journal of applied physiology (Bethesda, Md. : 1985)

2020 Volume 129, Issue 3, Page(s) 449–458

Abstract: Previous work has shown lowered casual blood pressure after just 6 wk of inspiratory muscle strength training (IMST), suggesting IMST as a potential therapeutic in the prevention/treatment of hypertension. In this study, we assessed the effects of IMST ... ...

Abstract	Previous work has shown lowered casual blood pressure after just 6 wk of inspiratory muscle strength training (IMST), suggesting IMST as a potential therapeutic in the prevention/treatment of hypertension. In this study, we assessed the effects of IMST on cardiovascular parameters in older, overweight adults diagnosed with moderate and severe obstructive sleep apnea (OSA). Subjects were randomly assigned to one of two interventions
MeSH term(s)	Aged ; Blood Pressure ; Female ; Humans ; Male ; Pilot Projects ; Resistance Training ; Respiratory Muscles ; Sleep Apnea, Obstructive/therapy ; Sympathetic Nervous System
Language	English
Publishing date	2020-07-30
Publishing country	United States
Document type	Journal Article ; Randomized Controlled Trial ; Research Support, Non-U.S. Gov't
ZDB-ID	219139-8
ISSN	1522-1601 ; 0021-8987 ; 0161-7567 ; 8750-7587
ISSN (online)	1522-1601
ISSN	0021-8987 ; 0161-7567 ; 8750-7587
DOI	10.1152/japplphysiol.00024.2020
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Article: Six Months of Inspiratory Muscle Training to Lower Blood Pressure and Improve Endothelial Function in Middle-Aged and Older Adults With Above-Normal Blood Pressure and Obstructive Sleep Apnea: Protocol for the CHART Clinical Trial.

Tavoian, Dallin / Ramos-Barrera, Lupita E / Craighead, Daniel H / Seals, Douglas R / Bedrick, Edward J / Alpert, Joseph S / Mashaqi, Saif / Bailey, E Fiona

Frontiers in cardiovascular medicine

2021 Volume 8, Page(s) 760203

Abstract: Background: ...

Abstract	Background:
Language	English
Publishing date	2021-11-24
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2781496-8
ISSN	2297-055X
ISSN	2297-055X
DOI	10.3389/fcvm.2021.760203
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Article ; Online: Acute cardiovascular responses to a single bout of high intensity inspiratory muscle strength training in healthy young adults.

DeLucia, Claire M / DeBonis, Dean R / Schwyhart, Sarah M / Bailey, E Fiona

Journal of applied physiology (Bethesda, Md. : 1985)

2021 Volume 130, Issue 4, Page(s) 1114–1121

Abstract: High intensity, low volume inspiratory muscle strength training (IMST) has favorable effects on casual systolic blood pressure and systemic vascular resistance. However, the acute effects of IMST on heart rate (HR), blood pressure (BP), and sympathetic ... ...

Abstract	High intensity, low volume inspiratory muscle strength training (IMST) has favorable effects on casual systolic blood pressure and systemic vascular resistance. However, the acute effects of IMST on heart rate (HR), blood pressure (BP), and sympathetic regulation of vascular resistance and the trajectory of post exercise recovery are not known. We recruited 14 young adults (7 women/7 men, age: 22 ± 2 years) to perform a single bout of high intensity IMST (inspiratory resistance set at 75% of maximal inspiratory pressure) importantly, female and male subjects were matched in regard to the target inspiratory pressure and target inspiratory muscle work per breath. We recorded HR, beat-to-beat changes in BP and postganglionic, muscle sympathetic nerve activities (MSNA) continuously throughout baseline, a single bout of IMST (comprising five sets of 6 inspiratory efforts) and in recovery. We show that one bout of IMST does not effect a change in BP, however, it effects a significant increase in HR (68.4 ± 11.7 beats/min versus 85.4 ± 13.6 beats/min;
MeSH term(s)	Adult ; Blood Pressure ; Cardiovascular System ; Female ; Heart Rate ; Humans ; Male ; Muscle, Skeletal ; Resistance Training ; Respiratory Muscles ; Sympathetic Nervous System ; Young Adult
Language	English
Publishing date	2021-02-18
Publishing country	United States
Document type	Journal Article
ZDB-ID	219139-8
ISSN	1522-1601 ; 0021-8987 ; 0161-7567 ; 8750-7587
ISSN (online)	1522-1601
ISSN	0021-8987 ; 0161-7567 ; 8750-7587
DOI	10.1152/japplphysiol.01015.2020
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Article ; Online: Time-efficient, high-resistance inspiratory muscle strength training increases cerebrovascular reactivity in midlife and older adults.

Freeberg, Kaitlin A / Craighead, Daniel H / Heinbockel, Thomas C / Rossman, Matthew J / Jackman, Rachel A / Jankowski, Lindsey R / Ludwig, Katelyn R / Chonchol, Michel / Bailey, E Fiona / Seals, Douglas R

American journal of physiology. Heart and circulatory physiology

2023 Volume 325, Issue 5, Page(s) H1059–H1068

Abstract: Aging is associated with increased risk for cognitive decline and dementia due in part to increases in systolic blood pressure (SBP) and cerebrovascular dysfunction. High-resistance inspiratory muscle strength training (IMST) is a time-efficient, ... ...

Abstract	Aging is associated with increased risk for cognitive decline and dementia due in part to increases in systolic blood pressure (SBP) and cerebrovascular dysfunction. High-resistance inspiratory muscle strength training (IMST) is a time-efficient, intensive respiratory training protocol (30 resisted inspirations/day) that lowers SBP and improves peripheral vascular function in midlife/older adults with above-normal SBP. However, whether, and by what mechanisms, IMST can improve cerebrovascular function is unknown. We hypothesized that IMST would increase cerebrovascular reactivity to hypercapnia (CVR to CO
MeSH term(s)	Male ; Female ; Humans ; Aged ; Middle Aged ; Carbon Dioxide ; Acetylcholine ; Resistance Training ; Endothelial Cells ; Respiratory Muscles/physiology ; Dementia ; Muscle Strength/physiology
Chemical Substances	Carbon Dioxide (142M471B3J) ; Acetylcholine (N9YNS0M02X)
Language	English
Publishing date	2023-09-08
Publishing country	United States
Document type	Randomized Controlled Trial ; Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
ZDB-ID	603838-4
ISSN	1522-1539 ; 0363-6135
ISSN (online)	1522-1539
ISSN	0363-6135
DOI	10.1152/ajpheart.00351.2023
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Article ; Online: Choroidal and retinal thinning in chronic kidney disease independently associate with eGFR decline and are modifiable with treatment.

Farrah, Tariq E / Pugh, Dan / Chapman, Fiona A / Godden, Emily / Balmforth, Craig / Oniscu, Gabriel C / Webb, David J / Dhillon, Baljean / Dear, James W / Bailey, Matthew A / Gallacher, Peter J / Dhaun, Neeraj

Nature communications

2023 Volume 14, Issue 1, Page(s) 7720

Abstract: In patients with chronic kidney disease (CKD), there is an unmet need for novel biomarkers that reliably track kidney injury, demonstrate treatment-response, and predict outcomes. Here, we investigate the potential of retinal optical coherence tomography ...

Abstract	In patients with chronic kidney disease (CKD), there is an unmet need for novel biomarkers that reliably track kidney injury, demonstrate treatment-response, and predict outcomes. Here, we investigate the potential of retinal optical coherence tomography (OCT) to achieve these ends in a series of prospective studies of patients with pre-dialysis CKD (including those with a kidney transplant), patients with kidney failure undergoing kidney transplantation, living kidney donors, and healthy volunteers. Compared to health, we observe similar retinal thinning and reduced macular volume in patients with CKD and in those with a kidney transplant. However, the choroidal thinning observed in CKD is not seen in patients with a kidney transplant whose choroids resemble those of healthy volunteers. In CKD, the degree of choroidal thinning relates to falling eGFR and extent of kidney scarring. Following kidney transplantation, choroidal thickness increases rapidly (~10%) and is maintained over 1-year, whereas gradual choroidal thinning is seen during the 12 months following kidney donation. In patients with CKD, retinal and choroidal thickness independently associate with eGFR decline over 2 years. These observations highlight the potential for retinal OCT to act as a non-invasive monitoring and prognostic biomarker of kidney injury.
MeSH term(s)	Humans ; Prospective Studies ; Retinal Degeneration ; Retina/diagnostic imaging ; Choroid/diagnostic imaging ; Renal Insufficiency, Chronic ; Tomography, Optical Coherence/methods
Language	English
Publishing date	2023-12-05
Publishing country	England
Document type	Journal Article
ZDB-ID	2553671-0
ISSN	2041-1723 ; 2041-1723
ISSN (online)	2041-1723
ISSN	2041-1723
DOI	10.1038/s41467-023-43125-1
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Article ; Online: Inspiratory Muscle Training Improves Sleep and Mitigates Cardiovascular Dysfunction in Obstructive Sleep Apnea.

Vranish, Jennifer R / Bailey, E Fiona

Sleep

2016 Volume 39, Issue 6, Page(s) 1179–1185

Abstract: Study objectives: New and effective strategies are needed to manage the autonomic and cardiovascular sequelae of obstructive sleep apnea (OSA). We assessed the effect of daily inspiratory muscle strength training (IMT) on sleep and cardiovascular ... ...

Abstract	Study objectives: New and effective strategies are needed to manage the autonomic and cardiovascular sequelae of obstructive sleep apnea (OSA). We assessed the effect of daily inspiratory muscle strength training (IMT) on sleep and cardiovascular function in adults unable to use continuous positive airway pressure (CPAP) therapy. Methods: This is a placebo-controlled, single-blind study conducted in twenty four adults with mild, moderate, and severe OSA. Subjects were randomly assigned to placebo or inspiratory muscle strength training. Subjects in each group performed 5 min of training each day for 6 w. All subjects underwent overnight polysomnography at intake and again at study close. Results: We evaluated the effects of placebo training or IMT on sleep, blood pressure, and plasma catecholamines. Relative to placebo-trained subjects with OSA, subjects with OSA who performed IMT manifested reductions in systolic and diastolic blood pressures (-12.3 ± 1.6 SBP and -5.0 ± 1.3 DBP mmHg; P < 0.01); plasma norepinephrine levels (536.3 ± 56.6 versus 380.6 ± 41.2 pg/mL; P = 0.01); and registered fewer nighttime arousals and reported improved sleep (Pittsburgh Sleep Quality Index scores: 9.1 ± 0.9 versus 5.1 ± 0.7; P = 0.001). These favorable outcomes were achieved without affecting apneahypopnea index. Conclusions: The results are consistent with our previously published findings in normotensive adults but further indicate that IMT can modulate blood pressure and plasma catecholamines in subjects with ongoing nighttime apnea and hypoxemia. Accordingly, we suggest IMT offers a low cost, nonpharmacologic means of improving sleep and blood pressure in patients who are intolerant of CPAP.
MeSH term(s)	Aged ; Arousal/physiology ; Blood Pressure/physiology ; Breathing Exercises ; Cardiovascular Diseases/blood ; Cardiovascular Diseases/etiology ; Cardiovascular Diseases/physiopathology ; Cardiovascular Diseases/therapy ; Catecholamines/blood ; Continuous Positive Airway Pressure ; Contraindications ; Double-Blind Method ; Exercise Therapy ; Female ; Humans ; Male ; Middle Aged ; Polysomnography ; Single-Blind Method ; Sleep/physiology ; Sleep Apnea, Obstructive/blood ; Sleep Apnea, Obstructive/complications ; Sleep Apnea, Obstructive/physiopathology
Chemical Substances	Catecholamines
Language	English
Publishing date	2016--01
Publishing country	United States
Document type	Journal Article ; Randomized Controlled Trial
ZDB-ID	424441-2
ISSN	1550-9109 ; 0161-8105
ISSN (online)	1550-9109
ISSN	0161-8105
DOI	10.5665/sleep.5826
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