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Recommendations for additional imaging of abdominal imaging examinations: frequency, benefit, and cost.


ABSTRACT:

Objectives

To investigate the frequency, determinants, clinical implications, and costs of recommendations for additional imaging (RAIs) in secondary interpretations of abdominal imaging examinations.

Methods

This retrospective study included 2225 abdominal imaging examinations from outside institutions that were reinterpreted as part of standard clinical care at a tertiary care center in a one-year time frame.

Results

Two hundred forty-six RAIs were present in 231 of 2225 reports (10.4%) of secondary abdominal imaging interpretations. Patient age and experience of the radiologist who performed the secondary interpretation were independently significantly associated with the presence of an RAI (both p?=?0.002), with odds ratios of 0.99 per year increase in patient age (95% confidence interval [CI], 0.98-1.00) and 1.06 per year increase in experience of the radiologist (95% CI, 1.02-1.10). If followed, RAIs changed clinical management in 31.2%. Total costs of all 246 RAIs, whether performed or not by the referring physicians, amounted to €71,032.21, thus resulting in €31.92 per secondary abdominal imaging interpretation. Total costs of the 140 RAIs that were actually performed by the referring physicians amounted to €42,683.08, resulting in €19.18 per secondary abdominal imaging interpretation.

Conclusions

The frequency of RAIs in reports of secondary interpretations of abdominal imaging examinations (which appear to be affected by patients' age and radiologists' experience) and associated costs are non-negligible. However, RAIs not infrequently change clinical management. The presented data may be helpful to radiology departments and healthcare policy makers to make well-informed decisions on the value and facilitation of the practice of secondary interpretations.

Key points

• Frequency of recommendations for additional imaging (RAIs) in secondary interpretations of abdominal imaging examinations at a tertiary care center is approximately 10.4%. • RAIs appear to be more frequently issued in younger patients and by more experienced radiologists, and if followed by referring clinicians, change clinical management in about one third of cases. • RAI costs per secondary interpretation in the Dutch Healthcare system are €31.92 (considering all RAIs) or €19.18 (considering only those RAIs that are actually performed).

SUBMITTER: Heinz SA 

PROVIDER: S-EPMC6957539 | biostudies-literature | 2020 Feb

REPOSITORIES: biostudies-literature

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Publications

Recommendations for additional imaging of abdominal imaging examinations: frequency, benefit, and cost.

Heinz Sabine A SA   Kwee Thomas C TC   Yakar Derya D  

European radiology 20190826 2


<h4>Objectives</h4>To investigate the frequency, determinants, clinical implications, and costs of recommendations for additional imaging (RAIs) in secondary interpretations of abdominal imaging examinations.<h4>Methods</h4>This retrospective study included 2225 abdominal imaging examinations from outside institutions that were reinterpreted as part of standard clinical care at a tertiary care center in a one-year time frame.<h4>Results</h4>Two hundred forty-six RAIs were present in 231 of 2225  ...[more]

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