• Jung Soo Park and Hyoung Gyu Jang.
• Neurosurgery and Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju-si, Republic of Korea.
• Medicine (Baltimore). 2022 Dec 2; 101 (48): e32000e32000.

AbstractSpontaneous intracerebral hemorrhage (ICH) causes profound neurological sequelae in survivors. The patient's prognosis is closely linked to the location and amount of hemorrhage. Therefore, we explored the relationship between the hemorrhage location within the basal ganglia, including the thalamus, and its clinical outcomes in patients with spontaneous intracerebral hemorrhage. A retrospective analysis of consecutively enrolled patients with basal ganglia and thalamic intracerebral hemorrhage treated conservatively at a single tertiary neurosurgical center was conducted between January 2014 and December 2020. Patients were divided into 2 groups according to the lateralization of the right or left hemisphere hemorrhage. Furthermore, baseline patient demographics, hematoma volume, location of the hemorrhage (i.e., caudate nucleus, globus palidus, putamen, internal capsule anterior limb, internal capsule posterior limb, thalamus), and clinical outcomes were evaluated. Clinical outcomes were assessed using the modified Rankin scale at the 1-year follow-up. An modified Rankin scale score between 3 and 6 was considered a poor outcome. In the analysis according to location, the prognosis was poor when the ICH was localized to the posterior limb of the internal capsule (P < .000) and globus palidus (P = .001) in the right hemisphere. Similarly, the prognosis was also poor when the ICH was localized to the posterior limb of the internal capsule (P < .000), globus palidus (P < .000), putamen (P = .018), and thalamus (P < .000) of the left hemisphere. In the spontaneous intracerebral hemorrhages of the basal ganglia and thalamus, hemorrhaging within the internal capsule and the left thalamus's bilateral posterior limbs is associated with a poor prognosis. Multivariable logistic analysis showed that hematoma volume (odds ratio [OR] = 70.85, 95% confidence interval [CI]: 1.95-60.53, P = .007) and the posterior limb of the internal capsule (OR = 10.98, 95% CI:1.02-118.49, P = .048) were independent predictors of poor outcomes in the right hemisphere, while hematoma volume (OR = 70.85, 95% CI: 1.95-60.53, P = .007), the posterior limb of the internal capsule (OR = 10.98, 95% CI:1.02-118.49, P = .048) and thalamus (OR = 10.98, 95% CI:1.02-118.49, P = .048) were independent predictors of poor outcomes in the left hemisphere.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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