A study looked at patients who had acute ischemic strokes caused by large vessel blockages and underwent mechanical thrombectomy to clear the clots. Researchers examined the amount of neutrophil extracellular traps, or NETs, found inside the retrieved clots from 129 patients treated at West China Hospital. They followed these patients for 90 days to see how well they recovered functionally.
The results showed that patients with higher levels of NETs in their clots were significantly less likely to achieve functional independence at 90 days compared to those with lower levels. Additionally, the high-NETs group had higher admission blood glucose levels and a greater prevalence of atrial fibrillation. However, the rate of successful clot removal was similar in both groups.
This research was a retrospective analysis conducted at a single center. Because it is observational, it shows an association between NETs and outcomes but does not prove that NETs caused the differences. Readers should understand that these findings come from a limited sample and may not apply to all stroke patients.