Alexander F C Hulsbergen1,2, Sandra C Yan1, Brittany M Stopa1, Aislyn DiRisio1, Joeky T Senders1,2, Max J van Essen2, Stéphanie M E van der Burgt1,3, Timothy R Smith1, William B Gormley1, Marike L D Broekman1,2,4,5. 1. 1Computational Neuroscience Outcomes Center (CNOC), Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts. 2. 2Department of Neurosurgery, Rudolf Magnus Institute for Neuroscience, University Medical Center Utrecht. 3. 3Department of Research in Education, VUMC School of Medical Sciences, Amsterdam, Noord-Holland. 4. 4Department of Neurosurgery, Leiden University Medical Center, Leiden, Zuid-Holland; and. 5. 5Department of Neurosurgery, Haaglanden Medical Center, The Hague, The Netherlands.
Abstract
OBJECTIVE: The value of CT scanning after burr hole surgery in chronic subdural hematoma (CSDH) patients is unclear, and practice differs between countries. At the Brigham and Women's Hospital (BWH) in Boston, Massachusetts, neurosurgeons frequently order routine postoperative CT scans, while the University Medical Center Utrecht (UMCU) in the Netherlands does not have this policy. The aim of this study was to compare the use of postoperative CT scans in CSDH patients between these hospitals and to evaluate whether there are differences in clinical outcomes. METHODS: The authors collected data from both centers for 391 age- and sex-matched CSDH patients treated with burr hole surgery between January 1, 2002, and July 1, 2016, and compared the number of postoperative scans up to 6 weeks after surgery, the need for re-intervention, and postoperative neurological condition. RESULTS: BWH patients were postoperatively scanned a median of 4 times (interquartile range [IQR] 2-5), whereas UMCU patients underwent a median of 0 scans (IQR 0-1, p < 0.001). There was no significant difference in the number of re-operations (20 in the BWH vs 27 in the UMCU, p = 0.34). All re-interventions were preceded by clinical decline and no recurrences were detected on scans performed on asymptomatic patients. Patients' neurological condition was not worse in the UMCU than in the BWH (p = 0.43). CONCLUSIONS: While BWH patients underwent more scans than UMCU patients, there were no differences in clinical outcomes. The results of this study suggest that there is little benefit to routine scanning in asymptomatic patients who have undergone surgical treatment of uncomplicated CSDH and highlight opportunities to make practice more efficient.
OBJECTIVE: The value of CT scanning after burr hole surgery in chronic subdural hematoma (CSDH) patients is unclear, and practice differs between countries. At the Brigham and Women's Hospital (BWH) in Boston, Massachusetts, neurosurgeons frequently order routine postoperative CT scans, while the University Medical Center Utrecht (UMCU) in the Netherlands does not have this policy. The aim of this study was to compare the use of postoperative CT scans in CSDH patients between these hospitals and to evaluate whether there are differences in clinical outcomes. METHODS: The authors collected data from both centers for 391 age- and sex-matched CSDH patients treated with burr hole surgery between January 1, 2002, and July 1, 2016, and compared the number of postoperative scans up to 6 weeks after surgery, the need for re-intervention, and postoperative neurological condition. RESULTS: BWH patients were postoperatively scanned a median of 4 times (interquartile range [IQR] 2-5), whereas UMCU patients underwent a median of 0 scans (IQR 0-1, p < 0.001). There was no significant difference in the number of re-operations (20 in the BWH vs 27 in the UMCU, p = 0.34). All re-interventions were preceded by clinical decline and no recurrences were detected on scans performed on asymptomatic patients. Patients' neurological condition was not worse in the UMCU than in the BWH (p = 0.43). CONCLUSIONS: While BWH patients underwent more scans than UMCU patients, there were no differences in clinical outcomes. The results of this study suggest that there is little benefit to routine scanning in asymptomatic patients who have undergone surgical treatment of uncomplicated CSDH and highlight opportunities to make practice more efficient.
Entities:
Keywords:
BWH = Brigham and Women’s Hospital; CSDH = chronic subdural hematoma; CT; CT = computed tomography; IQR = interquartile range; UMCU = University Medical Center Utrecht; burr hole craniotomy; chronic subdural hematoma; computed tomography; practice variation; recurrence; trauma
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