Publication Information

{'id': 'https://openalex.org/W4293249259', 'doi': 'https://doi.org/10.1161/svin.121.000366', 'title': 'Asymptomatic Intracranial Hemorrhage Is Associated With Poor Outcomes After Mechanical Thrombectomy for Large Vessel Occlusion', 'display_name': 'Asymptomatic Intracranial Hemorrhage Is Associated With Poor Outcomes After Mechanical Thrombectomy for Large Vessel Occlusion', 'publication_year': 2022, 'publication_date': '2022-05-20', 'ids': {'openalex': 'https://openalex.org/W4293249259', 'doi': 'https://doi.org/10.1161/svin.121.000366'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1161/svin.121.000366', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4210200900', 'display_name': 'Stroke Vascular and Interventional Neurology', 'issn_l': '2694-5746', 'issn': ['2694-5746'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 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Tokyo Japan'], 'affiliations': [{'raw_affiliation_string': 'Department of Neurology Nippon Medical School Tokyo Japan', 'institution_ids': ['https://openalex.org/I80188885']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5012624832', 'display_name': 'Yuji Matsumaru', 'orcid': 'https://orcid.org/0000-0002-4827-8410'}, 'institutions': [{'id': 'https://openalex.org/I146399215', 'display_name': 'University of Tsukuba', 'ror': 'https://ror.org/02956yf07', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I146399215']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Yuji Matsumaru', 'raw_affiliation_strings': ['Yuji Matsumaru , Division of Stroke Prevention and Treatment, , Department of Neurosurgery, , Faculty of Medicine, , University of Tsukuba, , Ibaraki, , Japan,'], 'affiliations': [{'raw_affiliation_string': 'Yuji Matsumaru , Division of Stroke Prevention and Treatment, , Department of Neurosurgery, , Faculty 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, Yokohama Shintoshi Neurosurgery Hospital, , Kanagawa, , Japan,'], 'affiliations': [{'raw_affiliation_string': 'Masafumi Morimoto , Department of Neurosurgery, , Yokohama Shintoshi Neurosurgery Hospital, , Kanagawa, , Japan,', 'institution_ids': []}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5012352457', 'display_name': 'Ryuzaburo Kanazawa', 'orcid': 'https://orcid.org/0000-0001-9944-3458'}, 'institutions': [], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Ryuzaburo Kanazawa', 'raw_affiliation_strings': ['Ryuzaburo Kanazawa , Department of Neurosurgery, , Nagareyama Central Hospital, , Chiba, , Japan,'], 'affiliations': [{'raw_affiliation_string': 'Ryuzaburo Kanazawa , Department of Neurosurgery, , Nagareyama Central Hospital, , Chiba, , Japan,', 'institution_ids': []}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5112896480', 'display_name': 'Yohei Takayama', 'orcid': None}, 'institutions': [{'id': 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'type': 'education', 'lineage': ['https://openalex.org/I146399215']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Mikito Hayakawa', 'raw_affiliation_strings': ['Mikito Hayakawa , Division of Stroke Prevention and Treatment, , Department of Neurosurgery, , Faculty of Medicine, , University of Tsukuba, , Ibaraki, , Japan,'], 'affiliations': [{'raw_affiliation_string': 'Mikito Hayakawa , Division of Stroke Prevention and Treatment, , Department of Neurosurgery, , Faculty of Medicine, , University of Tsukuba, , Ibaraki, , Japan,', 'institution_ids': ['https://openalex.org/I146399215']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5062177342', 'display_name': 'Norihiro Ishii', 'orcid': 'https://orcid.org/0000-0001-6591-2439'}, 'institutions': [{'id': 'https://openalex.org/I4210094277', 'display_name': 'New Tokyo Hospital', 'ror': 'https://ror.org/00m44rf61', 'country_code': 'JP', 'type': 'healthcare', 'lineage': 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'Tomoji Takigawa', 'raw_affiliation_strings': ['Tomoji Takigawa , Department of Neurosurgery, , Dokkyo Medical University Saitama Medical Center, , Saitama, , Japan,'], 'affiliations': [{'raw_affiliation_string': 'Tomoji Takigawa , Department of Neurosurgery, , Dokkyo Medical University Saitama Medical Center, , Saitama, , Japan,', 'institution_ids': ['https://openalex.org/I78274823', 'https://openalex.org/I4210158720']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5101741316', 'display_name': 'Masato Inoue', 'orcid': 'https://orcid.org/0000-0001-5732-2498'}, 'institutions': [{'id': 'https://openalex.org/I4210094012', 'display_name': 'National Center for Global Health and Medicine', 'ror': 'https://ror.org/00r9w3j27', 'country_code': 'JP', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210094012']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Masato Inoue', 'raw_affiliation_strings': ['Masato Inoue , Department of 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{'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5003552934', 'display_name': 'Teruyuki Hirano', 'orcid': 'https://orcid.org/0000-0003-2094-2428'}, 'institutions': [{'id': 'https://openalex.org/I190930483', 'display_name': 'Kyorin University', 'ror': 'https://ror.org/0188yz413', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I190930483']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Teruyuki Hirano', 'raw_affiliation_strings': ['Teruyuki Hirano , Department of Stroke and Cerebrovascular Medicine, , Kyorin University, , Tokyo, , Japan,'], 'affiliations': [{'raw_affiliation_string': 'Teruyuki Hirano , Department of Stroke and Cerebrovascular Medicine, , Kyorin University, , Tokyo, , Japan,', 'institution_ids': ['https://openalex.org/I190930483']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5080626582', 'display_name': 'Noriyuki Kato', 'orcid': 'https://orcid.org/0000-0001-7393-6019'}, 'institutions': [{'id': 'https://openalex.org/I4210096268', 'display_name': 'National Hospital Organization Mito Medical Center', 'ror': 'https://ror.org/00m9ydx43', 'country_code': 'JP', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210096268', 'https://openalex.org/I4210137409']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Noriyuki Kato', 'raw_affiliation_strings': ['Noriyuki Kato , Department of Neurosurgery, , Mito Medical Center, , Ibaraki, , Japan,'], 'affiliations': [{'raw_affiliation_string': 'Noriyuki Kato , Department of Neurosurgery, , Mito Medical Center, , Ibaraki, , Japan,', 'institution_ids': ['https://openalex.org/I4210096268']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5068682805', 'display_name': 'Toshihiro Ueda', 'orcid': 'https://orcid.org/0000-0002-1148-1853'}, 'institutions': [{'id': 'https://openalex.org/I163917720', 'display_name': 'St. Marianna University School of Medicine', 'ror': 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1724], 'trials': [776], 'have': [777], 'demonstrated': [778], 'superiority': [780], 'mechanical': [782, 1599], 'thrombectomy': [783, 1600], '(MT)': [784], 'acute': [786, 815, 866, 1495, 1612, 1687, 1772], 'ischemic': [787, 816, 867, 1613, 1688, 1773], 'stroke': [788, 817, 868, 1499, 1647, 1689, 1774], 'caused': [789], 'by': [790, 963, 1819], 'emergent': [791], 'large': [792, 1496, 1735], 'vessel': [793, 1497, 1736], 'occlusion.': [794], 'However,': [795, 1395], 'intracranial': [796, 1354, 1357, 1362], 'hemorrhage': [797, 1644, 1681], '(ICH)': [798], 'is': [799, 821, 829, 1454, 1823, 1850, 1854], 'a': [800, 830, 915, 924, 964, 1149, 1202, 1411, 1476, 1481, 1739, 1780], 'common': [801], 'complication': [802], 'after': [803, 818, 1428, 1645, 1729], 'MT.': [804], 'Symptomatic': [805], 'ICH': [806, 828, 845, 862, 931, 946, 987, 1013, 1110, 1132, 1137, 1147, 1159, 1185, 1190, 1198, 1273, 1349, 1369, 1374, 1389, 1404, 1442, 1504], 'occurs': [807], 'in': [808, 834, 863, 893, 941, 1069, 1074, 1140, 1181, 1187, 1205, 1417, 1461, 1686, 1775, 1843], '5%': [809], '16%': [811], 'patients': [813, 864, 1007, 1107, 1156, 1172, 1182, 1380, 1416, 1493, 1610, 1690, 1776], 'with': [814, 823, 865, 870, 1011, 1018, 1022, 1045, 1157, 1173, 1183, 1201, 1377, 1382, 1405, 1430, 1435, 1445, 1480, 1494, 1501, 1507, 1603, 1611, 1649, 1777, 1782], 'MT': [819, 913, 1429], 'associated': [822, 1044, 1200, 1376, 1444, 1506], 'poor': [824, 1023, 1046, 1153, 1176, 1203, 1290, 1326, 1378, 1431, 1446, 1508], 'outcomes.': [825, 849, 1650], 'Although': [826], 'asymptomatic': [827, 844, 861, 986, 1003, 1112, 1134, 1158, 1184, 1262, 1272, 1353, 1368, 1388, 1403, 1441, 1503, 1643], 'more': [831, 1179], 'common,': [832], 'occurring': [833], '30%': [835], '40%': [837], 'patients,': [839, 905, 1078, 1145, 1168], 'it': [840], 'remains': [841], 'unclear': [842], 'whether': [843], 'affects': [846], 'This': [850, 889], 'post': [851, 1477], 'hoc': [852, 1478], 'study': [853, 879, 890, 1448, 1474], 'aimed': [854], 'investigate': [856, 1040], 'effects': [859], 'treated': [869, 1381, 1500], 'MT.MethodsPatient': [871], 'data': [872], 'were': [873, 907, 982, 1014, 1036, 1072, 1089, 1321, 1375], 'retrospectively': [874], 'collected': [875], 'from': [876, 897, 977, 1520, 1529, 1538, 1547], 'SKIP1': [878], 'that': [880, 1271, 1367, 1387, 1440], 'was': [881, 891, 947, 1082, 1101, 1178, 1199, 1283, 1366, 1443, 1475, 1505], 'an': [882, 1400, 1422, 1824], 'investigator‐initiated,': [883], 'multicenter,': [884], 'randomized': [885], 'trial': [887, 1783], '(UMIN000021488).': [888], 'performed': [892, 1050], '23': [894], 'hospital': [895], 'networks': [896], 'January': [898], '2017': [899], 'July': [901], '2019.': [902], 'Among': [903, 1143, 1166], '204': [904], '7': [906], 'excluded': [908], 'not': [910, 1391, 1855], 'having': [911], 'undergone': [912], 'premodified': [916], 'Rankin': [917, 1337], 'scale': [918, 1338], '(mRS)': [919], 'score>2.': [920], 'patient': [922], 'enrollment,': [923], 'core': [925], 'imaging': [926], 'assessment': [927], 'committee': [928], 'independently': [929], 'reassessed': [930], 'presence.': [932], 'Based': [933], 'on': [934, 969, 1116, 1414, 1606, 1803], 'SITS‐MOST': [936], '(Safe': [937], 'Implementation': [938], 'Thrombolysis': [940], 'Stroke‐Monitoring': [942], 'Study)': [943], 'criteria,': [944], 'symptomatic': [945, 1001, 1012, 1136, 1146, 1174, 1235, 1361, 1373], 'defined': [948, 1334], 'as': [949, 957, 959, 1335, 1370, 1372], 'local': [950], 'or': [951], 'remote': [952], 'parenchymal': [953], 'hematoma': [954], 'type2': [955], 'within': [956, 1120, 1274], 'well': [958, 1371], 'neurological': [960], 'deterioration': [961], 'indicated': [962], 'decrease': [965], '≥4': [967], 'points': [968], 'Institutes': [972, 1095, 1241, 1295], 'Scale': [976, 1099, 1245, 1299], 'baseline.': [978], 'The': [979, 1123, 1800], 'main': [980], 'outcomes': [981, 1024, 1154, 1510, 1685], 'association': [984, 1401, 1423], 'between': [985, 1000], 'outcome': [991, 1177, 1333, 1608], 'at': [992, 1028, 1126, 1212, 1238, 1247, 1301, 1344, 1458, 1511], '90': [993, 1029, 1127, 1213, 1345, 1512], 'days.First,': [994], 'we': [995, 1049, 1438], 'investigated': [996], 'features': [999], 'ICH.': [1004, 1471], 'Next,': [1005], 'all': [1006], 'except': [1008, 1169], 'those': [1010, 1017, 1021, 1188], 'divided': [1015], 'into': [1016], 'favorable': [1019], '(mRS': [1025], 'scores': [1026, 1125], '3–6': [1027], 'days).': [1030], 'Between‐group': [1031], 'comparisons': [1032], 'baseline': [1034], 'parameters': [1035, 1067, 1226], 'performed.': [1037], 'Subsequently,': [1038], 'independent': [1042, 1287, 1323], 'factors': [1043, 1288, 1324], 'outcomes,': [1048], 'multivariate': [1051], 'logistic': [1052], 'regression': [1053, 1222], 'analysis': [1054, 1071, 1413, 1479, 1742], 'calculate': [1056], 'odds': [1058], 'ratios': [1059], '(ORs)': [1060], '95%': [1062, 1217, 1279, 1305, 1317], 'CIs.': [1063], 'Age': [1064], 'significant': [1066], '(P<0.1)': [1068], 'univariate': [1070], 'included': [1073], 'analysis.ResultsAmong': [1076], '197': [1077], 'median': [1080, 1093], 'age': [1081], '74': [1083], 'years': [1084], '(range,': [1085, 1103, 1339], '67–79': [1086], 'years),': [1087], '63%': [1088], 'men,': [1090], 'score': [1100, 1211, 1246, 1267, 1300, 1312], '18': [1102], '12–23).': [1104], 'Moreover,': [1105], '84': [1106, 1144], 'had': [1108], 'any': [1109, 1425, 1844], '(71': [1111], '13': [1114, 1171, 1418], 'symptomatic)': [1115], 'computed': [1117, 1253], 'tomography': [1118, 1254], 'scan': [1119], '36': [1121, 1275], 'hours.': [1122], 'mRS': [1124, 1210, 1266, 1311], 'days': [1128, 1214, 1346], 'according': [1129, 1347], 'no': [1131], 'shown': [1139], 'Figure.': [1142], 'showed': [1148], 'higher': [1150], 'incidence': [1151], 'than': [1155, 1186], '(36': [1160, 1191], '[51%]': [1161, 1192], 'versus': [1162, 1193], '12': [1163], '[92%];': [1164], 'P<0.01).': [1165, 1196, 1220], '184': [1167], 'ICH,': [1175, 1263, 1356], 'frequent': [1180], 'without': [1189, 1268, 1313, 1601], '32': [1194], '[28%];': [1195], 'Asymptomatic': [1197, 1679], 'shift': [1204], 'distribution': [1207, 1840], '(OR,': [1215, 1277, 1303, 1315], '2.43;': [1216], 'CI,': [1218, 1280, 1306, 1318], '1.42–4.15;': [1219], 'Multivariate': [1221], 'analysis,': [1223, 1785], 'including': [1224], 'age,': [1228], 'histories': [1229], 'hypertension': [1231], 'cardiovascular': [1233], 'disease,': [1234], 'blood': [1236], 'pressure': [1237], 'admission,': [1239, 1248], 'Alberta': [1249], 'Program': [1251], 'early': [1252], 'score,': [1255], 'onset': [1256], 'puncture': [1258], 'time,': [1259], 'presence': [1260], 'prestroke': [1265, 1310], '0,': [1269], 'revealed': [1270], 'hours': [1276], '3.56;': [1278], '1.70–7.75;': [1281], 'P<0.01)': [1282, 1308, 1320], '1': [1284], 'outcome.': [1291, 1327], 'In': [1292, 1409], 'addition,': [1293, 1410], 'admission': [1302], '1.08;': [1304], '1.02–1.14;': [1307], '0': [1314, 1340], '7.69;': [1316], '2.78–25.0;': [1319], 'Download': [1328], 'figureDownload': [1329], 'PowerPointFigure': [1330], '.': [1331], 'Functional': [1332], 'modified': [1336], '[no': [1341], 'symptoms]–6': [1342], '[death])': [1343], 'type.': [1350], 'aICH': [1351], 'indicates': [1352], 'hemorrhage;': [1355, 1358], 'sICH,': [1360], 'hemorrhage.DiscussionThe': [1363], 'major': [1364], 'finding': [1365], 'outcomes.In': [1379], 'MT,': [1383, 1502], 'reports': [1385], 'consider': [1386], 'does': [1390], 'affect': [1392, 1486], 'outcomes.2': [1394], 'Jiang': [1396, 1657], 'et': [1397, 1595, 1639, 1677, 1720], 'al': [1398], 'suggested': [1399], 'worse': [1406], 'functional': [1407, 1432, 1607], 'outcomes.3': [1408], 'retrospective': [1412, 1741], 'consecutive': [1415], 'participating': [1419], 'institutions': [1420], 'reported': [1421], 'hemorrhagic': [1426, 1727], 'transformation': [1427, 1728], 'outcomes.4': [1433], 'Consistent': [1434], 'our': [1436, 1491], 'findings,': [1437], 'found': [1439], 'outcomes.This': [1447], 'has': [1449], 'some': [1450], 'limitations.': [1451], 'First,': [1452], 'alteplase': [1453], 'approved': [1455], 'administration': [1457], '0.6': [1459], 'mg/kg': [1460], 'which': [1463, 1484, 1837], 'may': [1464, 1485, 1682], 'influence': [1465], 'rate': [1467], 'degree': [1469], 'Second,': [1472], 'small': [1482], 'population,': [1483], 'statistical': [1488], 'validity': [1489], 'conclusions.ConclusionsAmong': [1492], 'occlusion': [1498, 1737], 'days.Sources': [1513], 'FundingNone.DisclosuresDr': [1515], 'received': [1517, 1526, 1535, 1544], 'lecture': [1518, 1527, 1536, 1545], 'fees': [1519, 1528, 1537, 1546], 'Medtronic': [1521, 1539, 1548], 'Co.': [1522, 1531, 1540, 1549, 1553], 'Ltd.': [1523, 1532, 1541], 'Dr': [1524, 1533, 1542], 'Stryker': [1530, 1552], 'Ltd': [1550], 'Ltd.AcknowledgmentsNone.Footnotes*Correspondence': [1554], 'protected]ac.jpReferences1': [1574], 'K,': [1576, 1590], 'Y,': [1578, 1586, 1588], 'M,': [1580, 1582, 1594], 'R,': [1584, 1668, 1703], 'S,': [1592, 1622, 1632, 1638], 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'purposes.https://doi.org/10.1161/SVIN.121.000366': [1859], 'Manuscript': [1860], 'receivedJanuary': [1861], '28,': [1862], '2022Manuscript': [1863], 'acceptedApril': [1864], '14,': [1865], '2022Originally': [1866], 'publishedMay': [1867], 'PDF': [1870], 'download': [1871]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W4293249259', 'counts_by_year': [{'year': 2024, 'cited_by_count': 4}, {'year': 2023, 'cited_by_count': 2}, {'year': 2022, 'cited_by_count': 1}], 'updated_date': '2024-12-24T17:05:45.119194', 'created_date': '2022-08-27'}