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Related Concept Videos

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 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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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 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

Peripheral Artery Disease I: Introduction

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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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Atherosclerosis IV: Nursing Management01:23

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Nursing management for a patient with arteriosclerosis involves a comprehensive approach focusing on lifestyle modification, disease monitoring, education, and symptomatic care. Here is an overview of effective nursing strategies:Assessment and Monitoring: Initial and ongoing assessments are crucial. Nurses must document the patient's medical history, including any hypertension, diabetes, hyperlipidemia, and other cardiovascular diseases. Assessments also cover family history and lifestyle...
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A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts
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Mining peripheral arterial disease cases from narrative clinical notes using natural language processing.

Naveed Afzal1, Sunghwan Sohn1, Sara Abram2

  • 1Department of Health Sciences Research, Mayo Clinic, Rochester, Minn.

Journal of Vascular Surgery
|February 13, 2017
PubMed
Summary
This summary is machine-generated.

A new natural language processing (NLP) system accurately identifies peripheral arterial disease (PAD) cases from clinical notes. This NLP tool outperforms traditional billing code methods for PAD ascertainment.

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Area of Science:

  • Medical Informatics
  • Clinical Research
  • Natural Language Processing

Background:

  • Peripheral arterial disease (PAD) is a widespread condition affecting millions globally.
  • Accurate identification of PAD cases is crucial for effective patient management and research.

Purpose of the Study:

  • To develop and evaluate a natural language processing (NLP) system for automated ascertainment of peripheral arterial disease (PAD) cases.
  • To compare the performance of the NLP system against traditional billing code algorithms.

Main Methods:

  • A dataset of 1569 patients was used, divided into training and testing subsets.
  • An NLP algorithm was developed and refined using clinical narrative notes.
  • Performance was compared against ankle-brachial index (gold standard), simple billing codes, and full billing codes (codes + procedures).

Main Results:

  • The NLP algorithm achieved higher accuracy (91.8%) compared to the full billing code model (81.8%) and simple model (83%).
  • The NLP system demonstrated superior positive predictive value (92.9%) and specificity (92.5%) over billing code models.
  • Statistical significance (P < .001) was observed for all key performance metrics.

Conclusions:

  • A knowledge-driven NLP algorithm provides a more accurate method for identifying PAD cases from clinical notes.
  • NLP tools offer a promising approach for efficient PAD case ascertainment from electronic health records.
  • These findings support the potential of NLP for improving clinical decision support and patient care.