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Treatment for Pulmonary Arterial Hypertension: Endothelin Receptor Antagonists

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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.
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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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Peripheral Artery Disease I: Introduction01:30

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Peripheral artery disease (PAD) predominantly results from atherosclerosis, which involves the accumulation of fatty deposits, or plaques, within the walls of arteries. This causes them to narrow and harden, significantly reducing blood flow. PAD predominantly affects the legs, particularly the arteries supplying the thighs and calves. In rare cases, it may involve other arteries, including those in the arms.Etiology of PAD:The principal cause of PAD is atherosclerosis, which results from fatty...
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Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation01:21

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Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
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Peripheral Artery Disease III: Interprofessional Care01:27

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Peripheral Artery Disease (PAD) is characterized by narrowed arteries that diminish blood flow to the extremities. Effective management of PAD requires an interprofessional approach involving various healthcare professionals. The critical aspects of interprofessional care for PAD patients focus on risk factor modification, drug therapy, exercise therapy, nutrition therapy, critical limb ischemia care, and interventional radiology and surgical procedures.The primary treatment goal for PAD...
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Peripheral Artery Disease IV: Nursing Management01:26

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 The nursing management of a patient with peripheral artery disease (PAD) begins with a thorough assessment of the patient’s health history and clinical manifestations.AssessmentHealth History: Evaluate the patient’s history of hypertension, hyperlipidemia, family history of cardiovascular issues, and lifestyle factors such as dietary patterns, smoking, and physical activity.Physical Examination:Assess the affected extremity for decreased or absent peripheral pulses,...
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Gene therapy for peripheral arterial disease.

M J Mann1

  • 1Department of Surgery, Brigham and Women's Hospital/Harvard Medical School, Boston, MA 02115, USA. mmann@partners.org

Molecular Medicine Today
|June 22, 2000
PubMed
Summary

Gene therapy offers new ways to treat vascular disease by targeting molecular and genetic factors. Early research shows promise for applications in the peripheral circulation, despite current limitations.

Area of Science:

  • Molecular biology
  • Vascular disease
  • Gene therapy

Background:

  • Vascular disease understanding is advancing, revealing molecular and genetic therapeutic targets.
  • Current genetic manipulation tools and target knowledge are developing.
  • Peripheral vascular disease treatment faces limitations from proliferative lesions and disease progression.

Purpose of the Study:

  • To review evolving concepts in therapeutic gene manipulation.
  • To explore initial applications of gene therapy in the peripheral circulation.

Main Methods:

  • Literature review of gene therapy concepts.
  • Analysis of pre-clinical and clinical applications in peripheral vascular disease.

Main Results:

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  • Gene therapy presents emerging opportunities for molecular and genetic interventions.
  • Early applications in the peripheral circulation are being explored.

Conclusions:

  • Therapeutic gene manipulation holds potential for addressing limitations in peripheral vascular disease treatment.
  • Further development of tools and knowledge is crucial for clinical success.