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Is the routine chest X-ray necessary?

M Rajani1, S Sharma1, P Sonekar1

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Routine chest X-rays for asymptomatic patients have a low diagnostic yield (3.1%). This contrasts sharply with symptomatic patients (41%), suggesting routine X-rays should be reconsidered for asymptomatic individuals.

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Area of Science:

  • Radiology
  • Diagnostic Imaging
  • Thoracic Medicine

Background:

  • Chest X-rays are frequently used in routine hospital admissions, preoperative assessments, and infertility evaluations.
  • The clinical utility of routine chest X-rays in asymptomatic individuals is debated.
  • Identifying clinically significant abnormalities is crucial for patient management.

Purpose of the Study:

  • To determine the incidence of clinically important radiographic abnormalities in patients undergoing routine chest X-rays.
  • To compare the diagnostic yield of chest X-rays in asymptomatic versus symptomatic patients.
  • To evaluate the necessity of routine chest X-rays in specific patient groups.

Main Methods:

  • Analysis of 1899 consecutive chest X-rays.
  • Categorization of patients into groups based on admission reason (routine workup, preoperative assessment, infertility).
  • Assessment of diagnostic yield based on patient symptomatology.

Main Results:

  • A low diagnostic yield of 3.1% was observed in asymptomatic patients.
  • A significantly higher diagnostic yield of 41% was found in patients with symptoms of chest diseases.
  • Radiographic abnormalities were infrequent in the asymptomatic cohort.

Conclusions:

  • Routine chest X-rays in asymptomatic patients undergoing preoperative assessment or for infertility evaluations have a limited diagnostic yield.
  • Symptomatic patients demonstrate a substantially higher incidence of clinically important abnormalities on chest X-rays.
  • The practice of ordering routine chest X-rays for asymptomatic individuals warrants re-evaluation and potential discontinuation.