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Related Concept Videos

Systematic Error: Methodological and Sampling Errors01:15

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In the case of systematic errors, the sources can be identified, and the errors can be subsequently minimized by addressing these sources. According to the source, systematic errors can be divided into sampling, instrumental, methodological, and personal errors.
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According to some social psychologists, people tend to overemphasize internal factors as explanations—or attributions—for the behavior of other people. They tend to assume that the behavior of another person is a trait of that person, and to underestimate the power of the situation on the behavior of others. They tend to fail to recognize when the behavior of another is due to situational variables, and thus to the person’s state. This erroneous assumption is...
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The margin of error is also called the maximum error of an estimate. The margin of error is the maximum possible or expected difference between the observed sample parameter value and the actual population parameter value. For proportion, it is the maximum difference between the value of sample proportion obtained from the data and the true value of population proportion. As the true value of the population parameter is not known, the margin of error is calculated using the sample statistic.
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Effective sample preparation is crucial for accurate and reliable laboratory analysis. During this process, two significant sources of error can arise: concentration bias from improper sample splitting and contamination caused by methods used to reduce particle size, such as grinding or homogenization. Identifying and minimizing these potential errors is crucial to ensuring the validity of the analysis.
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Transuterine Fetal Tracheal Occlusion Model in Mice
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Error traps in fetal surgery.

Jose L Peiro1, Timothy M Crombleholme2

  • 1Cincinnati Fetal Center, Division of Pediatric General and Thoracic Surgery, College of Medicine at University of Cincinnati, and the Cincinnati Children's Hospital Medical Center (CCHMC). Cincinnati, OH, USA.

Seminars in Pediatric Surgery
|June 8, 2019
PubMed
Summary
This summary is machine-generated.

Fetal surgery has advanced significantly, but surgeons must be aware of potential "error traps"—techniques that can fail in specific situations. Recognizing and avoiding these pitfalls is crucial for improving fetal intervention outcomes and reducing complications.

Keywords:
EXIT procedureFETOFetal surgeryFetoscopic endoluminal tracheal occlusionFetoscopic surgeryLaser photocoagulationOpen fetal surgeryRadiofrequency ablationTwin reversed arterial perfusion sequenceTwin-to-twin transfusion syndrome

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Area of Science:

  • Medical Science
  • Surgical Innovation
  • Prenatal Medicine

Background:

  • Fetal surgery has expanded over the past two decades.
  • New indications and evidence from randomized trials support prenatal interventions.
  • Established techniques and protocols have increased surgeon confidence.

Purpose of the Study:

  • To identify and discuss common error traps in fetal interventions.
  • To raise awareness of specific circumstances where standard techniques may fail.
  • To provide insights for avoiding these pitfalls and enhancing surgical outcomes.

Main Methods:

  • Review of common error traps in various fetal intervention types.
  • Discussion of techniques prone to failure under specific circumstances.
  • Analysis of ultrasound-guided procedures, fetoscopic surgery, open fetal surgery, and EXIT procedures.

Main Results:

  • Identified common error traps in fetal interventions.
  • Highlighted how surgeon confidence in standard techniques can lead to overlooking specific failure risks.
  • Emphasized the need for heightened awareness of these specific circumstances.

Conclusions:

  • Awareness of error traps is essential for successful fetal interventions.
  • Strategies to avoid these pitfalls can improve surgical outcomes.
  • Reducing complication rates in fetal surgery is achievable through careful attention to potential errors.