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Related Concept Videos

Plastic Deformations01:14

Plastic Deformations

316
It is essential to understand how structural members behave under plastic deformation when the bending stress exceeds the material's yield strength. This state of deformation permanently alters the shape of the member, in contrast to the linear elastic behavior observed before yielding. The strain at any point in the member is expressed in terms of maximum strain. Notably, the neutral axis, which coincides with the centroid during elastic bending, shifts away from the centroid under plastic...
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Plastic Deformations01:19

Plastic Deformations

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Plastic deformation represents a fundamental concept in materials science, which explains the irreversible change in the shape of a material when it experiences stress beyond its elastic capability. This phenomenon is important in structural engineering, especially in designing and analyzing cantilever beams—structures that are securely fixed at one end and bear loads at the opposite end. When these beams are subjected to loads within their elastic range, they will return to their...
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Psychosurgery01:30

Psychosurgery

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Psychosurgery, the surgical alteration or permanent removal of brain tissue to alleviate severe psychological conditions, stands as one of the most radical and controversial treatments in the history of mental health care. Its development and application have evolved significantly, marked by dramatic shifts in scientific understanding and ethical perspectives.
Historical Development of Psychosurgery
In the 1930s, Portuguese neurologist Antonio Egas Moniz introduced a surgical procedure designed...
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Plasticity00:58

Plasticity

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Plasticity is the property where an object loses its elasticity and undergoes irreversible deformation, even after the deformation forces are eliminated. If a material deforms irreversibly without increasing stress or load, then this is called ideal plasticity. For example, when a force is applied to an aluminum rod, it changes its shape, but it does not return to its original shape once the force is removed. Plastic deformation or ductility is thus a permanent deformation or change in the...
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Plastic Deformations of Members with a Single Plane of Symmetry01:21

Plastic Deformations of Members with a Single Plane of Symmetry

259
When a structural member undergoes plastic deformation due to bending, it is crucial to understand the position of the neutral axis and the stress distribution. This member, characterized by a single plane of symmetry, exhibits a uniform stress distribution, with negative stress above the neutral axis and positive stress below. Notably, the neutral axis does not align with the centroid of the cross-section. This misalignment is typical in cases where the cross-section is not rectangular or...
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Plastic Behavior01:21

Plastic Behavior

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A material's elastic behavior is characterized by the disappearance of stress once the load is removed, allowing the material to return to its original state. However, when stress surpasses the yield point, yielding commences, marking the onset of plastic deformation or permanent set. This change from elastic to plastic behavior is influenced by the peak stress value and the duration before the load is removed. An intriguing observation occurs when a specimen is loaded, unloaded, and...
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Value-based plastic surgery.

Conrad J Harrison1, Michael P H Tyler2, Jeremy N Rodrigues3

  • 1Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Old Road, Headington, Oxford OX3 7LD, United Kingdom.

Journal of Plastic, Reconstructive & Aesthetic Surgery : JPRAS
|August 30, 2020
PubMed
Summary
This summary is machine-generated.

This editorial discusses value-based healthcare in plastic surgery. It explores measuring value through patient outcomes, experiences, and costs, suggesting strategies for improvement.

Keywords:
EconomicsHealth economicsMedicalPlastic surgeryVBHCValue-based careValue-based healthcare

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Area of Science:

  • Plastic Surgery
  • Healthcare Economics
  • Health Services Research

Background:

  • The concept of value in healthcare is increasingly important, particularly in elective specialties like plastic surgery.
  • Defining and measuring value requires a comprehensive approach, considering multiple stakeholder perspectives.

Discussion:

  • Value in plastic surgery is multifactorial, encompassing clinical outcomes, patient-reported experiences, cost-effectiveness, and equity.
  • Strategies to enhance value include outcome-based reimbursement models and increased transparency in reporting.

Key Insights:

  • Patient outcomes and experiences are critical metrics for assessing value in plastic surgery.
  • Financial considerations and equitable access are integral to delivering value-based healthcare.

Outlook:

  • Implementing value-based strategies can lead to improved quality and efficiency in plastic surgery.
  • Further research is needed to refine measurement tools and guide the adoption of value-based care models.