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Acute percheron infarction: a precision learning.

Bei Zhang1, Xiaoxun Wang2, Chen Gang3

  • 1Department of Radiology, First Hospital of Jilin University, No. 1, Xinmin Street, Changchun, 130021, Jilin Province, China.

BMC Neurology
|June 6, 2022
PubMed
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Diagnosis of acute artery of percheron (AOP) infarction is uncommon. Imaging like DWI or ADC maps aids in identifying AOP infarction patterns for better patient outcomes.

Area of Science:

  • Neurology
  • Radiology
  • Neuroimaging

Background:

  • Acute artery of percheron (AOP) infarction is a rare condition.
  • Diagnosis and prognosis require further understanding.

Purpose of the Study:

  • To explore the relationship between imaging findings, clinical manifestations, and prognosis of acute AOP infarction.
  • To identify different patterns of AOP infarction.

Main Methods:

  • Retrospective review of 23 patients with acute AOP infarction (2014-2019).
  • Evaluation using computed tomography (CT) and magnetic resonance imaging (MRI).
  • Clinical and prognostic assessment including modified Rankin scale (MRS), blood tests, ECG, and echocardiography.

Main Results:

Keywords:
Cerebral InfarctionDiagnostic imagingThalamus

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  • Four patterns identified: bilateral paramedian thalamic infarction (BPTI, 52%), bilateral paramedian thalamic with rostral midbrain infarction (BPTRMI, 30%), bilateral paramedian and anterior thalamic infarction (BPATI, 13%), and bilateral paramedian thalamic with red nuclei infarction (BPTRNI, 4%).
  • Common symptoms include consciousness disorder, memory dysfunction, and vertical gaze paresis.
  • BPTI and BPATI showed good functional recovery (MRS ≤ 2), while BPTRMI indicated an unfavorable outcome.

Conclusions:

  • Diffusion-weighted imaging (DWI) or apparent diffusion coefficient (ADC) maps enhance the diagnosis of acute AOP infarction patterns.
  • Prompt diagnosis and treatment are crucial for improving outcomes in acute AOP occlusion.