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Related Experiment Videos

Vetting requests for body computed tomography.

R L Harrison1, B Housden, C Hay

  • 1Department of Radiology, Addenbrooke's Hospital, Cambridge, UK.

European Radiology
|July 6, 2000
PubMed
Summary

Most whole-body computed tomography (CT) requests for inpatients are appropriate. While some CT scans are not performed due to capacity or alternative investigations, no patient deaths were linked to the lack of CT imaging.

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Area of Science:

  • Radiology
  • Medical Imaging
  • Health Services Research

Background:

  • Assessing the reasons and outcomes for inpatient whole-body CT scans not performed is crucial for understanding healthcare resource allocation and patient care.
  • Previous perceptions suggested a high rate of inappropriate radiological referrals, necessitating an investigation into the actual reasons for non-performance of CT scans.

Purpose of the Study:

  • To evaluate the process and patient outcomes for inpatient whole-body CT requests that were not ultimately performed.
  • To identify and categorize the reasons behind the non-performance of requested CT scans.
  • To determine if the non-performance of CT scans impacted patient outcomes, including mortality.

Main Methods:

  • A 6-month prospective study of inpatient whole-body CT requests.
  • Recording reasons for non-performance, including vetting rejections, clinician cancellations, and other factors.
  • Monitoring subsequent investigations and patient outcomes through medical records.

Main Results:

  • 8% (83 of 1001) of inpatient whole-body CT requests were not performed.
  • Reasons for non-performance included: radiology department rejection (55 cases due to guidelines, alternatives, time, over-referral, or misinterpretation), clinician cancellations (16 cases), and non-medical reasons (12 cases).
  • 98% of CT requests complied with guidelines, and no patient deaths were attributed to the non-performance of CT.

Conclusions:

  • The majority of inpatient whole-body CT requests are appropriate, challenging perceptions of overuse.
  • Lack of CT capacity in the healthcare system leads to the rejection of some appropriate referrals, potentially causing diagnostic delays but not mortality.
  • Radiologists must manage CT capacity effectively, balancing appropriate requests with resource limitations.

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