Journal of Korean Neurosurgical Society

The Korean Neurosurgical Society (대한신경외과학회)
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Role of Adjunctive Tranexamic Acid in Facilitating Resolution of Chronic Subdural Hematoma after Surgery

  • Kiyoon Yang (Department of Neurosurgery, Chungnam National University Hospital, Chungnam National University School of Medicine) ;
  • Kyung Hwan Kim (Department of Neurosurgery, Chungnam National University Hospital, Chungnam National University School of Medicine) ;
  • Han-Joo Lee (Department of Neurosurgery, Chungnam National University Hospital, Chungnam National University School of Medicine) ;
  • Eun-Oh Jeong (Department of Neurosurgery, Chungnam National University Hospital, Chungnam National University School of Medicine) ;
  • Hyon-Jo Kwon (Department of Neurosurgery, Chungnam National University Hospital, Chungnam National University School of Medicine) ;
  • Seon-Hwan Kim (Department of Neurosurgery, Chungnam National University Hospital, Chungnam National University School of Medicine)
  • Received : 2022.09.07
  • Accepted : 2022.11.01
  • Published : 2023.07.01
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Abstract

Objective : Chronic subdural hematoma (CSDH) is a common neurosurgical disease and generally treated with burr-hole surgery alone. Tranexamic acid (TXA) is an antifibrinolytic agent that potentially reduces recurrence rates and the residual hematoma volume. However, the role of postoperative TXA medication remains unclear to date. This study aimed to verify the effectiveness of adjunctive TXA in the view of early hematoma resolution. Methods : Between January 2018 and September 2021, patients with CSDH who underwent burr-hole trephination in a single tertiary institute were reviewed. The study population was divided into three groups, TXA, non-TXA, and antithrombotics (AT) groups, according to the medical history of cardio-cerebrovascular disease and TXA administration. The primary endpoint was CSDH recurrence, defined as re-appearance or re-accumulation of CSDH requiring neurosurgical interventions. The secondary outcome was CSDH resolution, defined as complete or near-complete resorption of the CSDH. The CSDH resolution time and serial changes of hematoma thickness were also investigated. Results : A total of 240 patients was included in the analysis consisting of 185 male and 55 female, with a median age of 74 years. During the median imaging follow-up period of 75 days, 222 patients were reached to the primary or secondary endpoint. TXA was administered as an adjunctive therapy in 41 patients (TXA group, 16.9%) while 114 patients were included in the non-TXA group (47.9%) and 85 were in the AT group. The recurrence rate was the lowest in the TXA group (2.4%), followed by non-TXA (7.0%) and AT (8.2%) groups. However, there was no statistical significance due to the small number of patients with recurrence. CSDH resolution was achieved in 206 patients, and the median estimated time to resolution was significantly faster in the TXA group (p<0.001). Adjunctive TXA administration was a significant positive factor for achieving CSDH resolution (p<0.001). The hematoma thickness was comparable among the three groups at the initial time and after surgery. However, CSDH thickness in the TXA group decreased abruptly in a month and showed a significant difference from that in the other groups (p<0.001). There was no TXA-related adverse event. Conclusion : The adjunctive use of TXA after CSDH surgery significantly facilitated the resorption of residual CSDH and resulted in the early CSDH resolution. Adjunctive TXA may be an effective treatment option to reduce recurrence by enhancing CSDH resolution in the selective patients.

Keywords

Acknowledgement

This work was supported by Chungnam National University.

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