eISSN: 1509-572x
ISSN: 1641-4640
Folia Neuropathologica
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2/2024
vol. 62
 
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abstract:
Original paper

Relationship between astrocyte damage and different levels of cerebrospinal fluid markers and prognosis in patients with subarachnoid hemorrhage

Tao Wu
1
,
Xiao He
2
,
Li Su
1
,
Xiaofeng Zhang
1

  1. Xi’an Gaoxin Hospital, China
  2. XD Group Hospital, China
Folia Neuropathol 2024; 62 (2): 147-155
Online publish date: 2023/11/13
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Introduction:
The aim of the study was to explore the relationship between astrocyte damage and different levels of cerebrospinal fluid markers and prognosis in patients with subarachnoid hemorrhage (SAH).

Material and methods:
A total of 168 SAH patients diagnosed and treated in the emergency department of our hospital during the period October 2019 to February 2022 were randomly selected as the study subjects. The severity of these patients’ condition was evaluated by Hunt-Hess grading and these subjects were graded as the low-level group (78 patients) and high-level group (90 patients) according to the evaluation results. The Extended Disability Status Scale (EDSS) score was employed to evaluate the astrocyte damage. The content of atypical chemokine receptor 3 (ACKR3), Connexin 43 (Cx43), oxygenated hemoglobin (HbO2), and endothelin (ET) in cerebrospinal fluid was measured. The relationship between the content of ACKR3, Cx43, HbO2, and ET in cerebrospinal fluid with EDSS score was analyzed through Pearson correlation analysis. Multivariate logistic regression analysis was adopted to analyze the risk factors.

Results:
ACKR3 was mainly expressed in the cytoplasm of cerebrospinal fluid monocytes, and Cx43 was mainly expressed in the cell membrane and cytoplasm. Patients in the high-level group had markedly higher expression rates of ACKR3 and Cx43 positive cells in cerebrospinal fluid than those in the low-level group (p < 0.05). Patients in the high-level group had higher content of HbO2 and ET in cerebrospinal fluid and EDSS score than patients in the low-level group (p < 0.05). The content of ACKR3, Cx43, HbO2, and ET in cerebrospinal fluid of SAH patients was positively correlated with EDSS scores (p < 0.05). Systolic blood pressure, Hunt-Hess grade, rebleeding, emotional control, EDSS score, ACKR3, Cx43 positive cell rate, and HbO2 and ET expression levels were independent risk factors for the prognosis of SAH patients (p < 0.05).

Conclusions:
Astrocyte damage in SAH patients was positively correlated with the content of ACKR3, Cx43, HbO2, and ET in cerebrospinal fluid. These indicators increased significantly with the increasing severity of the disease, and had certain value in reflecting the patient’s condition. Astrocyte damage combined with cerebrospinal fluid markers had potential value in evaluating the severity and prognosis of patients.

keywords:

subarachnoid hemorrhage, cerebrospinal fluid, ACKR3, Cx43, astrocyte damage, relevance

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