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Related Concept Videos

Treatment for Pulmonary Arterial Hypertension: Phosphodiesterase Inhibitors01:28

Treatment for Pulmonary Arterial Hypertension: Phosphodiesterase Inhibitors

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Phosphodiesterase 5 (PDE5) inhibitors are potent enzymes that function to hydrolyze cyclic nucleotides to their corresponding 5' monophosphates. Their unique biochemical properties have been applied in treating Pulmonary Arterial Hypertension (PAH).
Among the PDE5 inhibitors, sildenafil (Revatio) stands out as a competitive and selective inhibitor. It operates by elevating cellular levels of cGMP and augmenting signaling through the cGMP-PKG pathway, promoting vasodilation. Upon oral...
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Treatment for Pulmonary Arterial Hypertension: Endothelin Receptor Antagonists01:18

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Endothelins (ETs) are potent vasoactive peptides critical in the human body's various physiological and pathological processes. One of the most promising therapeutic strategies for treating pulmonary arterial hypertension (PAH) involves counteracting the effects of these endothelins using a class of drugs known as endothelin receptor antagonists.
ETs are synthesized through a complex sequence of enzymatic steps, primarily involving an enzyme referred to as endothelin-converting enzyme...
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Treatment for Pulmonary Arterial Hypertension: Prostacyclin Receptor Agonists01:23

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Prostacyclin receptor agonists are a class of therapeutic agents integral to managing pulmonary arterial hypertension (PAH). These drugs operate by mimicking the action of prostaglandin I2, or PGI2, a naturally occurring compound in the body.
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Radical Formation: Abstraction00:47

Radical Formation: Abstraction

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The electron of an atom can be abstracted from a compound by a relatively unstable radical to generate a new radical of relatively greater stability. For example, an initiator which forms radicals by homolysis can abstract a suitable species like a hydrogen atom or a halogen atom from a compound to generate a new radical. This ability of radicals to propagate by abstraction is a crucial feature of radical chain reactions.
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Treatment for Pulmonary Arterial Hypertension: Oxygen Therapy for Respiratory Failure01:16

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Oxygen therapy has emerged as a significant tool in enhancing the quality of life for patients suffering from pulmonary arterial hypertension (PAH). While this therapy has principally been studied on patients with significant hypoxemia, this therapeutic approach helps prevent potential organ damage and can be administered in the comfort of one's home.
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Treatment for Pulmonary Arterial Hypertension: Receptor Tyrosine Kinase Inhibitors and Calcium Channel Blockers01:26

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Receptor tyrosine kinase inhibitors (TKIs) and calcium channel blockers (CCBs) are two critical categories of drugs employed in the treatment of pulmonary artery hypertension (PAH). PAH is a disease that causes high blood pressure in the pulmonary arteries, resulting in chest pain, fatigue, and shortness of breath.
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Comprehensive Echocardiographic Assessment of Right Ventricle Function in a Rat Model of Pulmonary Arterial Hypertension
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[Abstract - Update Arterial Hypertension 2018].

Martin Hausberg1, Bernd Sanner2

  • 1Medizinische Klinik I, Städtisches Klinikum Karlsruhe.

Deutsche Medizinische Wochenschrift (1946)
|December 4, 2018
PubMed
Summary
This summary is machine-generated.

Accurate blood pressure measurement is crucial for effective hypertension management. 24-hour ambulatory monitoring identifies masked hypertension, a significant cardiovascular risk factor, and aids in personalized treatment strategies.

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Area of Science:

  • Cardiology
  • Nephrology
  • Neurology

Background:

  • Inaccurate blood pressure measurement leads to poor hypertension control and patient misclassification.
  • 24-hour ambulatory blood pressure measurement (ABPM) is the gold standard for predicting cardiovascular mortality.
  • Masked hypertension, characterized by normal office readings and elevated ABPM, poses a substantial risk.

Purpose of the Study:

  • To highlight the importance of accurate blood pressure measurement.
  • To emphasize the prognostic value of ABPM in cardiovascular health.
  • To discuss the risks associated with masked hypertension and blood pressure variability.

Main Methods:

  • Utilizing 24-hour ambulatory blood pressure monitoring (ABPM) for comprehensive assessment.
  • Analyzing the association between blood pressure variability and neurological outcomes.
  • Reviewing current guidelines on target blood pressure values.

Main Results:

  • ABPM offers superior predictive value for cardiovascular mortality compared to standard office measurements.
  • Patients with masked hypertension exhibit increased cardiovascular risk.
  • Elevated blood pressure variability is linked to dementia development and heightened cardiovascular risk post-TIA/stroke.

Conclusions:

  • Accurate blood pressure measurement, particularly via ABPM, is essential for optimal patient management.
  • Identifying and treating masked hypertension is critical for reducing cardiovascular events.
  • Blood pressure variability is an emerging risk factor requiring further clinical attention.