Quality assurance of neuroradiology in a District General Hospital

Abstract

BACKGROUND: An increasing number of neurologists in District General Hospitals (DGHs) rely on local neuroimaging reports from general radiologists. AIM: To determine the level of disagreement between general radiologists and neuroradiologists in reporting neuroimaging from patients referred to a neurologist. DESIGN: Prospective observational study. METHODS: We studied 232 patients referred for a neuroradiologist's report on neuroimaging over a 17-month period. Pre-planned comparisons included primary and secondary report findings, length of report and suggestions for additional investigations. RESULTS: Of the 593 patients assessed during the study period, a neuroradiologist's report was sought for 232 (39%): 119 men, 113 women, mean age 46.1 (SD 17.6) years. Primary findings differed in 37 patients (15.9%) (95%CI 11.5-21.3). Reports from neuroradiologists changed subsequent management in 31 (13.4%) (95%CI 9.3-18.4). Differences in secondary findings occurred in 52 (22.4%) (95%CI 17.2-28.3), and differences in either primary or secondary outcomes in 77 (33.2%) (95%CI 27.2-39.6). The level of disagreement in primary findings was as frequent among patients investigated with magnetic resonance imaging as among computerized tomogram-only patients (p = 0.13). Neuroradiologists recommended additional investigations for 24 patients (10.3%) (95%CI 6.7-15.0) and provided longer reports than general radiologists (p < 0.001). DISCUSSION: Neuroimaging reports of some patients differ substantially between general radiologists and neuroradiologists. Optimal management of neurological patients in DGHs may require timely access to neuroradiologists.

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