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Related Concept Videos

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

Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation

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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 IV: Nursing Management01:26

Peripheral Artery Disease IV: Nursing Management

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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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Peripheral Artery Disease III: Interprofessional Care01:27

Peripheral Artery Disease III: Interprofessional Care

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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 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...
519
Peripheral Artery Disease V: Postoperative Nursing Management01:23

Peripheral Artery Disease V: Postoperative Nursing Management

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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...
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Atherosclerosis II: Clinical Manifestations and Diagnostic Tests01:27

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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)...
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Identifying Peripheral Arterial Disease Cases Using Natural Language Processing of Clinical Notes.

Naveed Afzal1, Sunghwan Sohn1, Sara Abram2

  • 1Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester MN.

... IEEE-EMBS International Conference on Biomedical and Health Informatics. IEEE-EMBS International Conference on Biomedical and Health Informatics
|January 24, 2017
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Summary

This study introduces a natural language processing (NLP) algorithm to quickly identify patients with peripheral arterial disease (PAD) from clinical notes. The automated system accurately detects PAD cases, improving efficiency for patient care and research.

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Area of Science:

  • Medical Informatics
  • Computational Linguistics
  • Clinical Research

Background:

  • Peripheral arterial disease (PAD) affects millions globally.
  • Manual chart review for PAD ascertainment is inefficient and time-consuming.
  • Automated methods are needed for faster PAD case identification.

Purpose of the Study:

  • To develop and evaluate a natural language processing (NLP) algorithm for automated PAD status ascertainment from clinical notes.
  • To compare the NLP algorithm's performance against a gold standard created by medical experts.

Main Methods:

  • Developed a natural language processing (NLP) algorithm using predetermined criteria.
  • Evaluated the algorithm against a gold standard derived from manual chart review by medical experts.

Main Results:

  • The NLP system achieved high performance metrics: sensitivity (0.96), positive predictive value (0.92), negative predictive value (0.99), and specificity (0.98).
  • Demonstrated the algorithm's capability for rapid and efficient PAD case identification.

Conclusions:

  • Natural language processing (NLP) offers a viable solution for automated PAD case ascertainment.
  • This approach has significant implications for improving patient care and facilitating epidemiologic research.