{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T01:55:29Z","timestamp":1787018129056,"version":"build-2736575974"},"reference-count":39,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"4","content-domain":{"domain":["www.ahajournals.org"],"crossmark-restriction":true},"short-container-title":["Stroke"],"published-print":{"date-parts":[[2023,4]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Hemoglobin concentration and diffusion-weighted imaging (DWI) ischemic lesions are separately known to be associated with poor intracerebral hemorrhage (ICH) outcomes. While hemoglobin concentrations have known relationships with ischemic stroke, it is unclear whether hemoglobin concentration is associated with DWI ischemic lesions after ICH. We sought to investigate the hypothesis that hemoglobin concentrations would associate with DWI lesions after ICH and further investigated their relationships with clinical outcomes.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>Supratentorial ICH patients enrolled between 2010 and 2016 to a prospective, multicenter, observational cohort study (ERICH study [Ethnic\/Racial Variations of Intracerebral Hemorrhage]) were assessed. Patients from this study with baseline, admission hemoglobin, and hospitalization magnetic resonance imaging were analyzed. Hemoglobin was examined as the primary exposure variable defined as a continuous variable (g\/dL). Magnetic resonance imaging DWI ischemic lesion presence was assessed as the primary radiographic outcome. Primary analyses assessed relationships of hemoglobin with DWI lesions. Secondary analyses assessed relationships of DWI lesions with poor 3-month outcomes (modified Rankin Scale score, 4\u20136). These analyses were performed using separate multivariable logistic regression models adjusting for relevant covariates.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>Of 917 patients with ICH analyzed, mean baseline hemoglobin was 13.8 g\/dL (\u00b11.9), 60% were deep ICH, and DWI lesions were identified in 27% of the cohort. In our primary analyses, increased hemoglobin, defined as a continuous variable, was associated with DWI lesions (adjusted odds ratio, 1.21 per 1 g\/dL change in hemoglobin [95% CI, 1.07\u20131.37]) after adjusting for sex, race, ICH severity, time to magnetic resonance imaging, and acute blood pressure change. In secondary analyses, DWI lesions were associated with poor 3-month outcomes (adjusted odds ratio, 1.83 [95% CI, 1.24\u20132.69]) after adjusting for similar covariates.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>We identified novel relationships between higher baseline hemoglobin concentrations and DWI ischemic lesions in patients with ICH. Further studies are required to clarify the role of hemoglobin concentration on both cerebral small vessel disease pathophysiology and ICH outcomes.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1161\/strokeaha.122.041410","type":"journal-article","created":{"date-parts":[[2023,2,13]],"date-time":"2023-02-13T05:02:08Z","timestamp":1676264528000},"page":"1021-1029","update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":21,"title":["Relationships of Hemoglobin Concentration, Ischemic Lesions, and Clinical Outcomes in Patients With Intracerebral Hemorrhage"],"prefix":"10.1161","volume":"54","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1927-7686","authenticated-orcid":true,"given":"David J.","family":"Roh","sequence":"first","affiliation":[{"name":"Department of Neurology, Vagelos College of Physicians and Surgeons (D.J.R., A.B., E.M., A.K., F.C.P., J.C., J. Gutierrez, M.S.V.E.), Columbia University, New York, NY."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7408-1075","authenticated-orcid":true,"given":"Amelia","family":"Boehme","sequence":"additional","affiliation":[{"name":"Department of Neurology, Vagelos College of Physicians and Surgeons (D.J.R., A.B., E.M., A.K., F.C.P., J.C., J. Gutierrez, M.S.V.E.), Columbia University, New York, NY."},{"name":"Department of Epidemiology, Mailman School of Public Health (A.B., R.M., M.S.V.E.), Columbia University, New York, NY."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0630-8041","authenticated-orcid":true,"given":"Rayan","family":"Mamoon","sequence":"additional","affiliation":[{"name":"Department of Epidemiology, Mailman School of Public Health (A.B., R.M., M.S.V.E.), Columbia University, New York, NY."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Destiny","family":"Hooper","sequence":"additional","affiliation":[{"name":"Department of Neurology, University of Cincinnati, OH (D.H., S.L.D., D.W.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4525-2028","authenticated-orcid":true,"given":"Azzurra","family":"Cottarelli","sequence":"additional","affiliation":[{"name":"Department of Pathology and Cell Biology, Vagelos College of Physicians and Surgeons (A.C., E.A.H.), Columbia University, New York, NY."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1361-141X","authenticated-orcid":true,"given":"Robin","family":"Ji","sequence":"additional","affiliation":[{"name":"Department of Biomedical Engineering (R.J., E.K.), Columbia University, New York, NY."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9967-4790","authenticated-orcid":true,"given":"Eric","family":"Mao","sequence":"additional","affiliation":[{"name":"Department of Neurology, Vagelos College of Physicians and Surgeons (D.J.R., A.B., E.M., A.K., F.C.P., J.C., J. Gutierrez, M.S.V.E.), Columbia University, New York, NY."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aditya","family":"Kumar","sequence":"additional","affiliation":[{"name":"Department of Neurology, Vagelos College of Physicians and Surgeons (D.J.R., A.B., E.M., A.K., F.C.P., J.C., J. Gutierrez, M.S.V.E.), Columbia University, New York, NY."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2488-6849","authenticated-orcid":true,"given":"Fernanda","family":"Carvalho Poyraz","sequence":"additional","affiliation":[{"name":"Department of Neurology, Vagelos College of Physicians and Surgeons (D.J.R., A.B., E.M., A.K., F.C.P., J.C., J. 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