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Interobserver variability in neonatal cranial ultrasonography.

J Pinto1, N Paneth, E Kazam

  • 1Columbia University, New York, NY 10032.

Paediatric and Perinatal Epidemiology
|January 1, 1988
PubMed
Summary
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Cranial ultrasound diagnosis reliability in premature neonates varies by brain region. While germinal matrix lesion detection showed lower concordance, parenchymal lesion interpretation was more consistent, with 92% of cases categorized similarly by both readers.

Area of Science:

  • Neonatal Neurology
  • Medical Imaging
  • Diagnostic Reliability

Background:

  • Neonatal brain hemorrhage is a significant concern in premature infants.
  • Cranial ultrasound is a primary diagnostic tool for neonatal brain injury.
  • Assessing the reliability of ultrasound interpretation is crucial for accurate diagnosis and prognosis.

Purpose of the Study:

  • To evaluate the diagnostic reliability of cranial ultrasound in premature neonates.
  • To determine concordance rates among interpreters for various brain lesions.
  • To assess the impact of lesion location and timing on diagnostic accuracy.

Main Methods:

  • A multicentre study analyzed 138 cranial ultrasound films from 60 premature neonates.
  • Two independent groups of experienced interpreters reviewed films from the first week of life.

Related Experiment Videos

  • Concordance was assessed for observations (echodensity) and interpretations (hemorrhage, ventricular dilatation) in germinal matrix, ventricles, and parenchyma.

    • Main Results:

    • Concordance was poorest for germinal matrix lesions and highest for parenchymal lesions.
    • Interpretation of the final film showed higher concordance than observations on individual films.
    • 92% of cases were assigned to the same major prognostic category by both readers.
    • Interpreters' concordance improved over the study period through review conferences.

    Conclusions:

    • Cranial ultrasound diagnostic reliability in premature neonates is variable, particularly for germinal matrix lesions.
    • Interpretation of final films and overall prognostic categorization demonstrate good inter-reader agreement.
    • Ongoing training and review conferences can enhance the consistency of cranial ultrasound interpretation.