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97 Possible Causes for Impaired Exercise Tolerance, Pulmonary Artery Pressure Increased

  • Cor Pulmonale

    Indeed, from a pathophysiologic and clinical standpoint, any disease in which pulmonary arterial pressures increase sufficiently to affect right ventricular function results[accessmedicine.mhmedical.com] An oxygen saturation of less than 85% usually causes pulmonary arterial pressure to increase above 25 mm Hg. Acidosis and exercise cause further elevations. 4.[rjoson.tripod.com] […] in afterload, the rv increases systolic pressure to keep the gradient. at a point, a further increase in the degree of pulmonary arterial pressure produces significant rv[allnurses.com]

  • Pulmonary Hypertension

    […] capacity, reduce exercise tolerance, 87 induce iron deficiency, 24 and increase the risk of stroke. 88 If phlebotomy is performed, iron status should be monitored closely[doi.org] Pulmonary hypertension (PH) is an increase in pulmonary arterial pressure secondary to narrowing and obliteration of the lumen of the lung vessels resulting in an increased[ncbi.nlm.nih.gov] Bosentan improves exercise tolerance and oxygen saturation in some patients with impaired hemodynamics after Fontan surgery. 406 A single dose of sildenafil improves V̇O 2[doi.org]

  • Secondary Pulmonary Hypertension

    […] decrease pulmonary artery cross sectional area, increase pulmonary artery pressure, increase pulmonary artery blood floow What are examples sof diseases that decrease pulmonary[quizlet.com] Sildenafil did not affect aortic pressure, but it significantly decreased pulmonary artery pressure and increased cardiac index, thereby reducing pulmonary vascular resistance[ncbi.nlm.nih.gov] Furthermore, the addition of hypoxic pulmonary hypertension will increase pulmonary artery pressures and therefore the load on the right heart.[thorax.bmj.com]

  • Pulmonary Arterial Hypertension

    Pulmonary hypertension occurs when the mean arterial blood pressure in the pulmonary artery increases above 25 mmHg during rest (normal pressure: Pulmonary hypertension means[aoporphan.com] What happens in the event of pulmonary hypertension (PAH)?[aoporphan.com]

  • Eisenmenger Syndrome

    Patients with pre-tricuspid shunts were older, had higher BNP concentrations and lower exercise tolerance compared to patients with post-tricuspid shunts.[ncbi.nlm.nih.gov] They become stiff and hard and, as this process occurs, the pressure in the pulmonary arteries increases.[pulmonaryhypertensionrn.com] tolerance, impaired oxygen transport capacity due to “relative anemia”, and may increase the risk of cerebrovascular events. 29, 30 Venesection should only be offered to[dovepress.com]

  • Chronic Obstructive Pulmonary Disease

    It has not helped us understand why some patients with severe FEV1 impairment have better exercise tolerance compared with others with similar FEV1 values.[ncbi.nlm.nih.gov] Some patients with hypoxaemia reveal "out of proportion" pulmonary hypertension with inappropriate increase of pulmonary artery pressure.[ncbi.nlm.nih.gov] The main characteristic of PH in CRD and particularly in COPD is its mild to moderate degree, resting pulmonary artery mean pressure (PAP) in a stable state of the disease[ncbi.nlm.nih.gov]

  • Patent Ductus Arteriosus

    Collapsing pulse due to runoff of blood into the pulmonary artery during diastole, there is an increased pressure difference between the systole and the diastole.[medicaljoyworks.com] As a consequence, significant strain is placed on the heart and pressure within the pulmonary arteries is dramatically increased.[news-medical.net] As a result, too much blood flows into the lungs, which puts a strain on the heart and increases blood pressure in the pulmonary arteries.[kidshealth.org]

  • Heart Failure

    Numerous mechanisms unrelated to hemodynamic dysfunction may underlie impaired exercise tolerance in patients with chronic heart failure.[doi.org] The CardioMEMS System detected a gradual but steady increase in the pulmonary artery pressures while the patient was completely asymptomatic.[ncbi.nlm.nih.gov] CardioMEMs : A sensor is placed non-surgically in the pulmonary artery to watch for increased pressure (an early warning sign of worsening heart failure), and send data to[advocatehealth.com]

  • Congestive Heart Failure

    The impairment of exercise tolerance indicated by NYHA classification was markedly improved by PD for both groups.[ncbi.nlm.nih.gov] CardioMEMs : A sensor is placed non-surgically in the pulmonary artery to watch for increased pressure (an early warning sign of worsening heart failure), and send data to[advocatehealth.com] Numerous mechanisms unrelated to hemodynamic dysfunction may underlie impaired exercise tolerance in patients with chronic heart failure.[doi.org]

  • Asthma

    Pulmonary artery pressure may also be increased due to lung hyperinflation, thereby resulting in increased right ventricular afterload.[ncbi.nlm.nih.gov] Varner, Environmentally persistent free radicals decrease cardiac function and increase pulmonary artery pressure, American Journal of Physiology-Heart and Circulatory Physiology[doi.org] The large negative intrathoracic pressure generated during inspiration increases left ventricular after-load by impairing systolic emptying.[ncbi.nlm.nih.gov]

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