Relationship between Level of Serum Fibronectin and Level of Consciousness according to Glasgow Coma Scale in Traumatic Brain Injury Patients

Andreas K. Suwito, Eko Prasetyo, Maximillian Ch. Oley, Fredrik G. Langi


Abstract: Traumatic brain injury (TBI) occurs worldwide causing death and serious disability. Adequate initial assessment of the level of consciousness with GCS and early intervention are critical components of managing a patient with TBI. Levels of fibronectin, especially c-Fn in patients with severe TBI, increase significantly over time for several days after the trauma and are associated with poorer disease prognosis. This study aimed to analyze the relationship between serum fibronectin level and the Glasgow coma scale in patients with TBI and serum fibronectin level as a predictive parameter of trauma severity in TBI. Plasma fibronectin levels were measured blindly using ELISA according to the ELISA kit instructions for fibronectin. There were 65 COT patients as samples. The majority of patients had mild to moderate COT, and only 10 (15%) patients were in the severe COT category (GCS 3-8). The distribution of serum fibronectin level was moderately skewed to the right with a median of 4 ng/ml (IQR 2.7-6.4 ng/ml). In conclusion, there is a negative relationship between serum fibronectin and GCS which could be used for COT stratification. Serum fibronectin levels tend to be high in patients with low GCS or severe COT. Fibronectin is also high in patients that did not survive.

Keywords: fibronectin; Glasgow coma scale; traumatic brain injury


Abstrak: Cedera otak traumatik (COT) banyak terjadi di seluruh dunia dan menyebabkan kematian dan disabilitas berat. Penilaian awal dengan Glasgow coma scale (GCS) dan intervensi yang dini merupakan komponen yang penting dalam menangani pasien. Kadar fibronektin khususnya c-Fn pada pasien dengan trauma kepala berat meningkat secara bermakna seiring waktu selama beberapa hari setelah trauma kepala dan berhubungan dengan prognosis penyakit yang lebih buruk. Penelitian ini bertujuan untuk menganalisis hubungan antara kadar serum fibronektin dengan GCS pada pasien COT dan kadar serum fibronektin sebagai parameter prediktif tingkat keparahan trauma. Kadar fibronektin plasma diukur secara blind menggunakan ELISA sesuai instruksi kit ELISA untuk fibronektin. Sampel penelitian berjumlah 65 orang pasien COT. Umumnya pasien mengalami COT ringan atau sedang, dan hanya 10 orang (15%) pasien berada pada kategori COT berat (GCS 3-8). Distribusi kadar serum fibronektin cukup miring ke kanan dengan median 4 ng/ml (IQR 2,7-6,4 ng/ml). Simpulan penelitian ini ialah terdapat hubungan negatif antara fibronektin serum dan GCS yang dapat digunakan untuk stratifikasi COT. Kadar serum fibronektin cenderung tinggi pada pasien dengan GCS rendah atau COT relatif berat. Fibronektin juga ditemukan tinggi pada pasien yang meninggal.

Kata kunci: fibronektin; Glasgow coma scale; cedera otak akibat trauma

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