Intracranial Blood Flow Velocity in Patients with β-Thalassemia Intermedia Using Transcranial Doppler Sonography: A Case-Control Study

Table 1

Mean intracranial arterial flow velocities in β-thalassemia intermedia patients with or without splenectomy.

	Without splenectomy	With splenectomy	𝑃 value
Left ICA	84.6±24.4	94.1±20.7	0.097
Right ICA	83.1±25.6	86.5±25.1	0.538
Left MCA	66.6±26.9	87.9±23.9	0.001
Right MCA	71.3±28.2	85.8±22.7	0.026
Left ACA	58.2±19.7	73.4±18.3	0.002
Right ACA	57.3±19.0	69.2±18.2	0.013
Left PCA	35.1±11.7	42.1±11.6	0.021
Right PCA	34.8±10.8	41.7±14.3	0.037
Left vertebral artery	52.2±15.0	58.3±14.5	0.102
Right vertebral artery	55.6±15.3	62.4±17.5	0.106
Basilar artery	66.1±17.2	76.7±16.6	0.016

ICA, internal carotid artery; MCA, middle cerebral artery; ACA, anterior cerebral artery; PCA, posterior cerebral artery.