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Related Concept Videos

One-Way ANOVA: Equal Sample Sizes01:15

One-Way ANOVA: Equal Sample Sizes

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One-Way ANOVA can be performed on three or more samples with equal or unequal sample sizes. When one-way ANOVA is performed on two datasets with samples of equal sizes, it can be easily observed that the computed F statistic is highly sensitive to the sample mean.
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Electric Field of Two Equal and Opposite Charges01:30

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Atoms generally contain the same number of positively and negatively charged particles, protons, and electrons. Hence, they are electrically neutral. However, the centers of the positive and negative charges do not always coincide. In such a scenario, the electric field of an atom may not be zero.
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Gas Laws: Boyle's, Gay-Lussac, Charles', Avogadro's, and Ideal Gas Law03:19

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Determining the pH of Salt Solutions04:08

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The pH of a salt solution is determined by its component anions and cations. Salts that contain pH-neutral anions and the hydronium ion-producing cations form a solution with a pH less than 7. For example, in ammonium nitrate (NH4NO3) solution, NO3− ions do not react with water whereas NH4+ ions produce the hydronium ions resulting in the acidic solution.  In contrast, salts that contain pH-neutral cations and the hydroxide ion-producing anions form a solution with a pH greater than 7. For...
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Strong Acid and Base Solutions03:22

Strong Acid and Base Solutions

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A strong acid is a compound that dissociates completely in an aqueous solution and produces a concentration of hydronium ions equal to the initial concentration of acid. For example, 0.20 M hydrobromic acid will dissociate completely in water and produces 0.20 M of hydronium ions and 0.20 M of bromide ions.
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Every measurement provides three kinds of information: the size or magnitude of the measurement (a number), a standard of comparison for the measurement (a unit), and an indication of the uncertainty of the measurement. While the number and unit are explicitly represented when a quantity is written, the uncertainty is an aspect of the errors in the measurement results.
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Competing-Risk Nomogram for Predicting Cancer-Specific Survival in Multiple Primary Colorectal Cancer Patients after Surgery
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Readmissions after colorectal surgery: not all are equal.

Laura Z Hyde1,2, Ahmed M Al-Mazrou1, Ben A Kuritzkes1

  • 1Division of Colorectal Surgery, Columbia University Medical Center/New York Presbyterian Hospital, New York, NY, USA.

International Journal of Colorectal Disease
|September 1, 2018
PubMed
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Nearly 40% of colorectal surgery readmissions are preventable. Identifying risk factors like urgent operations and complications can help target interventions to reduce readmissions.

Keywords:
Colorectal surgeryOutcomes researchPatient outcome assessmentPatient readmissionRisk Factors

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Area of Science:

  • Colorectal Surgery
  • Surgical Outcomes
  • Healthcare Quality Improvement

Background:

  • Unplanned readmissions after colorectal surgery pose a significant burden on healthcare systems.
  • Identifying factors contributing to preventable readmissions is crucial for improving patient care and reducing costs.

Purpose of the Study:

  • To assess preoperative, intraoperative, and postoperative factors associated with preventable readmissions following colorectal resection.
  • To inform targeted interventions aimed at reducing readmission rates in this patient population.

Main Methods:

  • A retrospective review of all readmissions following colorectal resection at an academic medical center from May 2013 to May 2016.
  • Logistic regression analysis was used to identify factors associated with preventable readmissions.

Main Results:

  • Of 75 unplanned readmissions, 29 (39%) were deemed preventable, often due to dehydration, pain, ostomy issues, or bleeding.
  • Key risk factors for preventable readmission included urgent/emergent surgery, recent myocardial infarction, colectomy extent, high American Society of Anesthesiologist score, intraoperative stapler complications, postoperative arrhythmia, and anemia.
  • Multivariable analysis confirmed urgent/emergent operation, intraoperative stapler complications, and postoperative arrhythmia as significant independent predictors.

Conclusions:

  • A substantial proportion of colorectal surgery readmissions are preventable.
  • Targeting interventions towards identified risk factors and patient groups can effectively reduce readmission rates and enhance surgical outcomes.