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Showing 1 to 8 of 8 entries
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The usefulness of submaximal exercise gas exchange in pulmonary arterial hypertension: a case series.

Clinical medicine insights. Circulatory, respiratory and pulmonary medicine

Woods PR, Frantz RP, Johnson BD.
PMID: 21037968
Clin Med Insights Circ Respir Pulm Med. 2010 Sep 28;4:35-40.

INTRODUCTION: Submaximal exercise gas exchange may be a useful tool to track responses to therapy in pulmonary arterial hypertension (PAH) patients.METHODS: Three patients diagnosed with idiopathic PAH, on differing therapies, were included. Standard clinical tests (echocardiography; 6 minute walk)...

Prognostic value of resting pulmonary function in heart failure.

Clinical medicine insights. Circulatory, respiratory and pulmonary medicine

Olson TP, Denzer DL, Sinnett WL, Wilson T, Johnson BD.
PMID: 24058279
Clin Med Insights Circ Respir Pulm Med. 2013 Sep 05;7:35-43. doi: 10.4137/CCRPM.S12525. eCollection 2013.

BACKGROUND: The heart and lungs are intimately linked anatomically and physiologically, and, as a result, heart failure (HF) patients often develop changes in pulmonary function. This study examined the prognostic value of resting pulmonary function (PF) in HF.METHODS AND...

Use of noninvasive gas exchange to track pulmonary vascular responses to exercise in heart failure.

Clinical medicine insights. Circulatory, respiratory and pulmonary medicine

Taylor BJ, Olson TP, Chul-Ho-Kim, Maccarter D, Johnson BD.
PMID: 24093002
Clin Med Insights Circ Respir Pulm Med. 2013 Sep 22;7:53-60. doi: 10.4137/CCRPM.S12178. eCollection 2013.

We determined whether a non-invasive gas exchange based estimate of pulmonary vascular (PV) capacitance [PVCAP = stroke volume (SV) × pulmonary arterial pressure (Ppa)] (GXCAP) tracked the PV response to exercise in heart-failure (HF) patients. Pulmonary wedge pressure (Ppw),...

Albuterol Improves Alveolar-Capillary Membrane Conductance in Healthy Humans.

Clinical medicine insights. Circulatory, respiratory and pulmonary medicine

Taylor NE, Baker SE, Olson TP, Lalande S, Johnson BD, Snyder EM.
PMID: 27773996
Clin Med Insights Circ Respir Pulm Med. 2016 Oct 12;10:19-25. doi: 10.4137/CCRPM.S30251. eCollection 2016.

BACKGROUND: Beta-2 adrenergic receptors (βMETHODS: We assessed the diffusing capacity of the lungs for carbon monoxide (DLCO) and nitric oxide (DLNO) at baseline, 30 minutes, and 60 minutes following nebulized albuterol (2.5 mg, diluted in 3 mL normal saline)...

Gene Variant of the Bradykinin B2 Receptor Influences Pulmonary Arterial Pressures in Heart Failure Patients.

Clinical medicine. Circulatory, respiratory and pulmonary medicine

Olson TP, Frantz RP, Turner ST, Bailey KR, Wood CM, Johnson BD.
PMID: 20957051
Clin Med Circ Respirat Pulm Med. 2009 Feb 17;2009(3):9-17.

BACKGROUND: Pulmonary arterial pressure (PAP) varies considerably in heart failure (HF) despite similar degrees of left ventricular (LV) dysfunction. Bradykinin alters vascular tone and common variations in the kinin B2 receptor (BDKRB2) gene exists. We hypothesized that genetic variation...

Pulmonary Hypertension and Cardiopulmonary Exercise in Heart Failure.

Pulse (Basel, Switzerland)

Kim CH, Jae SY, Johnson BD.
PMID: 26389080
Pulse (Basel). 2014 May;1(3):143-51. doi: 10.1159/000360964.

In heart failure (HF), pulmonary hypertension (PH) is initially associated with a rise in the left ventricular filling pressure. PH is defined by pulmonary hemodynamic measurements including pulmonary capillary wedge pressure, mean pulmonary arterial pressure and pulmonary vascular resistance....

Sex differences in cardiovascular function during submaximal exercise in humans.

SpringerPlus

Wheatley CM, Snyder EM, Johnson BD, Olson TP.
PMID: 25191635
Springerplus. 2014 Aug 20;3:445. doi: 10.1186/2193-1801-3-445. eCollection 2014.

Differences in cardiovascular function between sexes have been documented at rest and maximal exercise. The purpose of this study was to examine the sex differences in cardiovascular function during submaximal constant-load exercise, which is not well understood. Thirty-one male...

A mini review of inhaled beta 2 agonists in acute decompensated heart failure requiring respiratory support.

Pulmonary and critical care medicine

Germano N, Summerfield D, Johnson B.
PMID: 34423138
Pulm Crit Care Med. 2019 Dec;4(3). doi: 10.15761/pccm.1000161. Epub 2019 Jun 24.

Acute decompensated heart failure (HF) results in over one million hospital admissions per year, many requiring invasive or noninvasive mechanical ventilation for respiratory/cardiovascular support. Inhaled beta-2 adrenergic receptor agonists have been shown to be effective at clearance of extravascular...

Showing 1 to 8 of 8 entries