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Comparison of ABC Methods with Computerized Estimates of Intracerebral Hemorrhage Volume: The INTERACT2 Study.

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机构： [1]The George Institute for Global Health, Faculty of Medicine, UNSW, Sydney, NSW, Australia [2]Sydney Medical School, University of Sydney, Sydney, NSW, Australia [3]Neurology Department, Royal Prince Alfred Hospital, Sydney Health Partners, Sydney, NSW, Australia [4]National Cerebral and Cardiovascular Center, Suita, Japan [5]Department of Public Health, Fukuoka University, Fukuoka, Japan [6]Neurology Department, Liverpool Hospital, Sydney, NSW, Australia [7]Ingham Institute for Applied Medical Research, UNSW, Sydney, NSW, Australia [8]Intensive Care Unit, Royal North Shore Hospital, Sydney, NSW, Australia [9]Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, UK [10]Department of Neurology, Second Affiliated Hospital of Soochow University, Suzhou, China [11]Neurological Department, West China Hospital, Sichuan University, Chengdu, China [12]Data Intelligence, Strategic Research Investment, Cancer Institute NSW, Sydney, NSW, Australia [13]The George Institute China, Peking University Health Sciences Center, Beijing, China

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Hematoma volume is a key determinant of outcome in acute intracerebral hemorrhage (ICH). We aimed to compare estimates of ICH volume between simple (ABC/2, length, width, and height) and gold standard planimetric software approaches. Data are from the second Intensive Blood Pressure Reduction in Acute Cerebral Hemorrhage Trial (INTERACT2). Multivariable linear regression was used to compare ICH volumes on baseline CT scans using the ABC/2, modified ABC/2 (mABC/2), and MIStar software. Other aspects of ICH morphology examined included location, irregularity, heterogeneity, intraventricular and subarachnoid hemorrhage extension (SAH) of hematoma, and associated white matter lesions and brain atrophy. In 2,084 patients with manual and semiautomated measurements, median (IQR) ICH volumes for each approach were: ABC/2 11.1 (5.11-20.88 mL), mABC/2 7.8 (3.88-14.11 mL), and MIStar 10.7 (5.59-18.66 mL). Median differences between ABC/2 and MIStar, and mABC/2 and MIStar were 0.34 (-1.01 to 2.96) and -2.4 (-4.95 to -0.7416), respectively. Hematoma volumes differed significantly with irregular shape (ABC/2 and MIStar, p < 0.001; mABC/2 and MIStar, p = 0.007) and larger volumes (mABC/2 and MIStar, p < 0.001; ABC/2 and MIStar, p = 0.07). ICH with SAH showed a significant discrepancy between ABC/2 and MIStar (p < 0.001). Overall, ABC/2 performs better than mABC/2 in estimating ICH volume. The largest discrepancies were evidenced against automated software for irregular-shaped and large ICH with SAH, but the clinical significance of this is uncertain. © 2019 The Author(s) Published by S. Karger AG, Basel.

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第一作者机构： [1]The George Institute for Global Health, Faculty of Medicine, UNSW, Sydney, NSW, Australia [2]Sydney Medical School, University of Sydney, Sydney, NSW, Australia [3]Neurology Department, Royal Prince Alfred Hospital, Sydney Health Partners, Sydney, NSW, Australia

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通讯机构： [1]The George Institute for Global Health, Faculty of Medicine, UNSW, Sydney, NSW, Australia [3]Neurology Department, Royal Prince Alfred Hospital, Sydney Health Partners, Sydney, NSW, Australia [13]The George Institute China, Peking University Health Sciences Center, Beijing, China [*1]The George Institute for Global Health PO Box M201, Missenden Road Camperdown, NSW 2050 (Australia)

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