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Health Information Technology and Healthcare Information System01:30

Health Information Technology and Healthcare Information System

Health Information Technology (HIT)
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Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
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Computed Tomography (CT) scan:
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Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
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Hospitals-II

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X-ray Imaging01:24

X-ray Imaging

German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with X-rays, and by 1900, X-ray was widely...
Imaging Studies for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

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Signal Acquisition, Score Interpretation, and Economics of a Non-Invasive Point-of-Care Test for Coronary Artery Disease
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Variations in US hospital performance on imaging-use measures.

Jason S Mathias1, Joe Feinglass, David W Baker

  • 1Division of General Internal Medicine, Department of Medicine, Feinberg School of Medicine Northwestern University, Chicago, IL 60611, USA. j-mathias@md.northwestern.edu

Medical Care
|May 31, 2012
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Summary

US hospitals show wide variations in imaging use, with some hospitals exhibiting extraordinarily high rates. Low-volume and rural hospitals were more likely to report highest-decile imaging use, suggesting potential overuse.

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Area of Science:

  • Health Services Research
  • Medical Imaging Utilization
  • Healthcare Quality Improvement

Background:

  • The Hospital Outpatient Quality Reporting Program (HOQR) monitors US hospitals' use of four potentially overused imaging studies.
  • These studies include magnetic resonance imaging (MRI) for low back pain, follow-up imaging after screening mammography, and abdominal/thoracic computed tomography (CT) scans.
  • Understanding patterns of imaging use is crucial for identifying and addressing potential overuse in healthcare.

Purpose of the Study:

  • To analyze hospital performance on HOQR imaging measures.
  • To assess the consistency of performance across different imaging measures.
  • To identify hospital characteristics associated with the highest rates of imaging utilization.

Main Methods:

  • A cross-sectional analysis was conducted using 2008 HOQR data linked with the 2009 American Hospital Association Survey.
  • Spearman rank order tests assessed correlations in imaging use across measures.
  • Multivariable logistic regression identified hospital characteristics linked to highest-decile imaging use.

Main Results:

  • Significant variation in imaging use was observed across US hospitals.
  • Imaging use showed weak correlations across most measures (ρ<0.10).
  • Hospitals with low imaging volume, rural locations, and for-profit status were more likely to exhibit highest-decile use for specific imaging studies (e.g., MRI, CT Abdomen/Thorax, mammography follow-up).

Conclusions:

  • Wide variations and exceptionally high imaging use at some US hospitals suggest potential overuse.
  • The long-term effectiveness of HOQR measures in reducing imaging overuse requires further evaluation.
  • Targeted quality improvement initiatives may be necessary to address identified disparities in imaging utilization.