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H-FABP, cardiovascular risk factors, and functional status in asymptomatic spinal cord injury patients
A Akbal1, A Kurtaran, B Selçuk
1Department of Physical Medicine and Rehabilitation, Çanakkale Onsekiz Mart UniversityEducation and Research Hospital, 17100 , Kepez, Çanakkale, Turkey, draylayavuz@gmail.com.
Background:
This was a cross-sectional study in the setting of a rehabilitation hospital.
Objective:
The aim of the study was to determine the serum levels of heart-type fatty acid-binding protein (H-FABP) in patients with spinal cord injury (SCI). A further goal was to examine whether there is a relationship between H-FABP levels and Functional Ambulation Classification (FAC) scale, Functional Independence Measure (FIM) score, American Spinal Injury Association (ASIA) status, and metabolic syndrome (MetS).
Methods:
The study included 56 SCI patients and 37 age- and sex-matched healthy control subjects who had not been diagnosed with coronary artery disease in the past.
Results:
Serum H-FABP levels were significantly higher in patients with SCI than in control subjects: paraplegia group, 18.5 ± 11.4; tetraplegia group, 16.3 ± 9.1; control group, 6.7 ± 5.1 ng/ml (p < 0.001). There was no difference between the other cardiac enzymes (troponin I, AST, ALT, CK, CK-MB, and LDH) among the groups. The relationship between the serum H-FABP levels and FAC status was examined. There was a negative correlation between FAC status and H-FABP levels (p < 0.001, r = - 0.581). Patients with complete SCI were divided into two groups according to the level of the lesion: (lesion levels in C6-T6, n = 25; lesion levels in T7-L2, n = 11). In patients with complete motor injury, H-FABP levels were higher in subjects with injuries above T6 than in those with injuries below T6 (24.21 ± 10.1 and 14.1 ± 10.4, respectively; p = 0.011). Serum levels of H-FABP were higher in SCI patients with MetS (n = 10) than in those without MetS (n = 46; 25.8 ± 11.6 ng/ml vs. 16.42 ± 10.3 ng/ml, respectively; p = 0.014). Patients were then divided into two groups according to SCI duration: < 12 months (n = 27) and > 12 months (n = 29). H-FABP levels showed statistically significant differences between the two groups (14.8 ± 11.7 ng/dl and 20.9 ± 9.9 ng/dl, respectively; p = 0.036).
Conclusion:
H-FABP is related to MetS and FAC status in asymptomatic SCI patients.
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