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Related Concept Videos

Survey Safety01:28

Survey Safety

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Surveying near highways, rough terrain, or power lines involves significant risks. Working along highways is particularly dangerous and requires the use of warning signs and flagmen. It is safest to avoid working directly on roads and use offsets whenever possible. When highway work is unavoidable, it must follow all safety guidelines. Surveyors should wear bright clothing, such as orange reflective vests, to ensure visibility to motorists, coworkers, and hunters. In construction zones, wearing...
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Plasticizers01:31

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Water-reducers, or plasticizers, are chemical admixtures used in concrete to improve strength and workability. These additives reduce the water-cement ratio without compromising workability, lower the cement content while maintaining the same workability, or increase workability to assist concrete placement in inaccessible areas.
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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 Behavior01:21

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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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Plastic Deformations01:14

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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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Patient Safety in Microvascular Plastic Surgery.

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Identifying patient and procedure risks is key to preventing harm in medical care. This review highlights risk factors and evidence-based practices to improve patient safety and reduce adverse events.

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Area of Science:

  • Medical safety research
  • Surgical risk assessment

Background:

  • Patient safety is the absence of preventable harm during medical care.
  • Understanding risk factors is crucial for implementing preventative strategies.
  • Minimizing complications and adverse events enhances healthcare quality.

Purpose of the Study:

  • To identify patient, practitioner, and microvascular procedure characteristics associated with preventable harm.
  • To review evidence-based prevention practices for enhancing patient safety.
  • To foster a culture of safety within surgical teams.

Main Methods:

  • Literature review of patient safety in microvascular surgery.
  • Analysis of risk factors contributing to adverse events.
  • Synthesis of evidence-based prevention strategies.

Main Results:

  • Key patient-related risk factors identified.
  • Significant procedure-related risks highlighted.
  • Practitioner-related factors influencing safety discussed.

Conclusions:

  • Prophylactic measures based on identified risks can reduce complications.
  • Implementing evidence-based practices is essential for a safety culture.
  • Continuous assessment of risks improves patient outcomes in microvascular surgery.