The effect of the mean platelet volume on short-term prognosis in acute ischemic stroke patients who underwent intravenous thrombolytic therapy

Year 2024, , 152 - 156, 31.05.2024

Çisil İrem Özgenç Biçer , Işıl Kalyoncu Aslan , Eren Gözke

https://doi.org/10.5472/marumj.1485342

Abstract

Objective: To evaluate the effect of the mean platelet volume (MPV), on the short-term prognosis and bleeding complications of acute
ischemic stroke patients who underwent intravenous tissue plasminogen activator (IV-tPA) treatment.
Patients and Methods: Between 01.01.2018 and 01.06.2021, 314 ischemic stroke patients who applied to our clinic with acute
neurological deficit were included in the study retrospectively. Alteplase was administered as IV-tPA treatment for 1 hour. MPV value
was measured before the treatment and was evaluated as the main parameter. The patients were examined under 4 groups (≤8.8fL, >8.8
– ≤9.9, >9.9-≤10.8, >10.8fL) according to their MPV values, and age, gender, comorbidities, and treatment initiation parameters were
standardized by statistical methods. It was compared whether there was a significant difference between the MPV groups in terms
of short-term prognosis according to the admission National Institutes of Health Stroke Scale (NIHSS) scores and discharge NIHSS
scores and also bleeding complications.
Results: A total of 314 patients, 145 women with a mean age of 76.7±13.0, and 169 men with a mean age of 66.3±13.1, were included
in the study. 31 patients (9.9%) died before discharge. The mean MPV value was 9.64±1.15fL and the mean NIHSS score was 9.1±4.9
at admission, and the mean NIHSS score was 4.3±4.7 at discharge. When the NIHSS difference between admission and discharge was
compared in the 4 groups, it was found that the prognosis was better in Group 3 with MPV >9.9-≤10.8 compared to Groups 1 and
4. (p=0.002; p<0.01). Despite this, it was seen that low or high MPV values could not be considered as a prognostic factor alone in
patients who received IV-tPA treatment, since, there was no significant difference between the 3rd group and the 2nd group in terms
of NIHSS decrease and the 4th group had a worse prognosis than the 3rd group.
There was no statistical significance between MPV groups in terms of hemorrhage complications (p value for intracerebral,
gastrointestinal, urogenital hemorrhage complications were 0.540, 0.980, 0.783, respectively).
Conclusion: In our study, it was revealed that MPV value, is not an independent risk factor in patients with acute ischemic stroke
receiving IV-tPA treatment and cannot be used as a prognostic marker.

Keywords

Stroke, Prognosis, MPV, IV-tPA

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