Joline L H de Sévaux1, Peter G J Nikkels2, Maarten H Lequin3, Floris Groenendaal4. 1. Department of Neonatology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands. 2. Department of Pathology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands. 3. Department of Radiology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands. 4. Department of Neonatology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht University, Utrecht, The NetherlandsF.Groenendaal@umcutrecht.nl.
Abstract
BACKGROUND: Autopsy rates in neonatal intensive care unit (NICU) patients who died are declining worldwide. Postmortem magnetic resonance imaging (MRI) is suggested as adjunct to or substitute for autopsy. OBJECTIVE: The aim of this paper was to determine the additional diagnostic value of autopsy in NICU patients and whether autopsy findings were potentially detectable using postmortem MRI. METHODS: From 2008 to 2015, 298 infants died during admission to our NICU. Permission for unrestricted, nonforensic autopsy was obtained in 100 (33.6%) of these 298 infants. Retrospectively, autopsy reports and medical records of NICU patients were compared. Additional autopsy findings were graded according to the Goldman system, grading the clinical relevance of additional findings. In addition, the potential detectability of these additional findings on postmortem MRI was assessed. RESULTS: Additional findings obtained by autopsy were found in 48% of the cases, divided into major (Goldman I/II, 24%) and minor (Goldman III/IV, 24%) additional findings. Major additional findings were significantly more often found in patients with a lower gestational age, and minor additional findings in patients with a higher postnatal age at death. Of all patients with additional findings determined by autopsy, 56.3% would most likely not have been detected using postmortem MRI. CONCLUSIONS: Our results emphasize the still very important role of autopsy in the NICU setting and show that conventional autopsy could probably not be completely substituted by postmortem MRI.
BACKGROUND: Autopsy rates in neonatal intensive care unit (NICU) patients who died are declining worldwide. Postmortem magnetic resonance imaging (MRI) is suggested as adjunct to or substitute for autopsy. OBJECTIVE: The aim of this paper was to determine the additional diagnostic value of autopsy in NICU patients and whether autopsy findings were potentially detectable using postmortem MRI. METHODS: From 2008 to 2015, 298 infants died during admission to our NICU. Permission for unrestricted, nonforensic autopsy was obtained in 100 (33.6%) of these 298 infants. Retrospectively, autopsy reports and medical records of NICU patients were compared. Additional autopsy findings were graded according to the Goldman system, grading the clinical relevance of additional findings. In addition, the potential detectability of these additional findings on postmortem MRI was assessed. RESULTS: Additional findings obtained by autopsy were found in 48% of the cases, divided into major (Goldman I/II, 24%) and minor (Goldman III/IV, 24%) additional findings. Major additional findings were significantly more often found in patients with a lower gestational age, and minor additional findings in patients with a higher postnatal age at death. Of all patients with additional findings determined by autopsy, 56.3% would most likely not have been detected using postmortem MRI. CONCLUSIONS: Our results emphasize the still very important role of autopsy in the NICU setting and show that conventional autopsy could probably not be completely substituted by postmortem MRI.
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