Platelet aggregation in traumatic spinal cord injury.

Area of Science:

• Hematology
• Neurology
• Traumatology

Background:

• Traumatic spinal cord injury (SCI) can lead to various secondary complications.
• Thromboembolic events are a known concern in patients with SCI.
• Platelet function alterations may play a role in these complications.

Purpose of the Study:

• To investigate platelet aggregation in patients with traumatic spinal cord injury.
• To compare collagen-induced platelet aggregation and platelet counts between SCI patients and healthy controls.

Main Methods:

• Study included ten paraplegic patients with traumatic SCI and ten age-matched healthy volunteers.
• Platelet aggregation was assessed using impedance technique in whole blood.
• Platelet counts were determined using an automated cell analyzer.

Main Results:

• Collagen-induced platelet aggregation (maximal rate and intensity) was significantly higher in SCI patients compared to controls (P<0.001 and P<0.01, respectively).
• No significant difference in platelet counts was observed between the SCI group and the control group.
• Mean maximal aggregation intensity in SCI patients was 18.50+/-8.28 ohm versus 7.60+/-4.25 ohm in controls.

Conclusions:

• Patients with traumatic SCI demonstrate significantly increased collagen-induced platelet aggregation 12-48 weeks post-injury.
• Elevated platelet aggregation, potentially mediated by free radicals, may contribute to late thromboembolic complications in SCI.
• Further research into platelet function modulation could inform strategies for managing SCI complications.