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Related Concept Videos

Peripheral Artery Disease I: Introduction01:30

Peripheral Artery Disease I: Introduction

426
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...
426
Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation01:21

Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation

472
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...
472
Peripheral Artery Disease IV: Nursing Management01:26

Peripheral Artery Disease IV: Nursing Management

405
 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,...
405
Peripheral Artery Disease III: Interprofessional Care01:27

Peripheral Artery Disease III: Interprofessional Care

385
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...
385
Peripheral Artery Disease V: Postoperative Nursing Management01:23

Peripheral Artery Disease V: Postoperative Nursing Management

431
During the postoperative period, it is crucial to focus on maintaining circulation, identifying and managing potential complications, and planning for discharge.Nursing AssessmentVital signs monitoring: Regularly monitor vital signs, including blood pressure, heart rate, respiratory rate, and temperature, to detect early signs of complications such as bleeding and infection.Circulation assessment: Monitor pulses, perform Doppler assessments, and check capillary refill, color, temperature, and...
431
Atherosclerosis II: Clinical Manifestations and Diagnostic Tests01:27

Atherosclerosis II: Clinical Manifestations and Diagnostic Tests

590
Atherosclerosis is a progressive disorder that leads to the thickening and narrowing of arterial walls due to plaque buildup. This condition can cause various symptoms depending on the arteries affected:Coronary Artery Disease (CAD): This condition affects the coronary arteries and may lead to chest pain (angina), shortness of breath (dyspnea), heart attacks, and other heart disease symptoms.Cerebrovascular Disease: This affects blood flow to the brain, causing transient ischemic attacks (TIAs)...
590

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Peripheral Arterial Disease Genetics: Progress to Date and Challenges Ahead.

Nathan Belkin1, Scott M Damrauer2,3

  • 1Division of Vascular and Endovascular Surgery, Hospital of the University of Pennsylvania, 3400 Spruce Street, 4 Maloney, Philadelphia, PA, 19104, USA.

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Summary

Genetic studies reveal moderate heritability for peripheral arterial disease (PAD), but independent genetic factors require further investigation. Advanced research, including whole genome sequencing, is crucial for understanding PAD genetics and developing new therapies.

Keywords:
Candidate geneEpigeneticsGeneticsGenome-wide association studyPeripheral arterial diseaseWhole genome sequencing

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Area of Science:

  • Genetics
  • Cardiovascular Disease Research
  • Genomics

Background:

  • Peripheral arterial disease (PAD) has a significant genetic component.
  • Understanding the genetic basis of PAD is crucial for improving diagnosis and treatment.
  • Current knowledge of PAD genetics is incomplete, particularly regarding factors independent of traditional cardiovascular risks.

Purpose of the Study:

  • To review the current state of research in peripheral arterial disease (PAD) genetics.
  • To summarize findings from heritability, linkage, candidate gene, genome-wide association (GWAS), and epigenetic studies.
  • To identify challenges and future directions in PAD genetic research.

Main Methods:

  • Review of existing literature on PAD genetics.
  • Analysis of heritability estimates, linkage studies, and candidate gene associations.
  • Summary of findings from genome-wide association studies (GWAS) and epigenetic investigations.
  • Discussion of whole genome sequencing as a future research avenue.

Main Results:

  • PAD exhibits moderate heritability, but the genetic contribution independent of cardiovascular risk factors is not fully understood.
  • Genome-wide association studies (GWAS) have identified single nucleotide polymorphisms (SNPs) associated with PAD, though replication is pending.
  • Significant gaps remain in our understanding of PAD genetic architecture.

Conclusions:

  • Further research into PAD genetics is essential for advancing diagnostic capabilities and therapeutic strategies.
  • Large-scale genome-wide association studies (GWAS), whole genome sequencing, and epigenetic studies in well-defined cohorts are critical for future progress.
  • Unraveling the genetic foundation of PAD promises novel insights into disease mechanisms and potential interventions.