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Published on: January 26, 2024
Role of platelet indices in prediction of preeclampsia
Muzaffer Temur1, Fatma Nurgül Taşgöz2, Tayfur Çift3
1Bursa Yıldırım Special Doruk Hospital, Bursa Turkey.
Insights
Preeclamptic pregnant women exhibit higher mean platelet volume (MPV) values compared to healthy individuals. MPV and platelet count/MPV ratio show promise for predicting preeclampsia.
Area of Science:
- Obstetrics and Gynecology
- Hematology
- Clinical Pathology
Background:
- Preeclampsia is a significant cause of maternal and fetal morbidity.
- Platelet indices are altered in various pathological conditions, including pregnancy complications.
- Understanding changes in platelet parameters may offer insights into preeclampsia pathophysiology.
Purpose of the Study:
- To compare various platelet indices between preeclamptic and normotensive pregnant women.
- To evaluate the potential clinical utility of these platelet parameters for preeclampsia prediction.
Main Methods:
- A retrospective case-control study involving 257 preeclampsia patients and 264 healthy pregnant controls.
- Comparison of platelet count (PC), mean platelet volume (MPV), platelet distribution width (PDW), plateletcrit (Pct), Pct/MPV ratio, and PC/MPV ratio between groups.
Main Results:
- Mean platelet volume (MPV) was significantly higher in the preeclampsia group (p < 0.001).
- Platelet count, plateletcrit, and platelet distribution width did not show significant differences.
- Pct/MPV and PC/MPV ratios were significantly lower in preeclamptic women (p = 0.01 and p = 0.001, respectively).
- An MPV cut-off of 9.15 demonstrated 58.7% sensitivity and 61.7% specificity for preeclampsia prediction.
Conclusions:
- Altered platelet function, destruction, and production in preeclampsia lead to changes in platelet indices.
- Elevated MPV is a key finding in preeclamptic pregnancies compared to normotensive ones.
- MPV and the PC/MPV ratio are identified as promising diagnostic parameters for preeclampsia prediction.
Objectives:
To compare platelet indices in preeclamptic and normotensive pregnants and to investigate the clinical use of these parameters in preeclampsia prediction.
Material And Methods:
This retrospective case- control study included 257 preeclampsia patients and 264 healthy pregnant women as the control group. The groups were compared in terms of platelet count (PC), mean platelet volume (MPV), platelet distribution range (PDW), plateletcrit (Pct), Pct / MPV ratio and PC / MPV ratio.
Results:
Between the preeclampsia group and the control group; mean platelet count (227.22 ± 78.58 vs 236.69 ± 64.30), plateletcrit (PCT) (0.21 ± 0.06 vs 0.24 ± 0.27), and platelet distribution width (PDW) (17.11 ± 0.80 vs 17.29 ± 0.82) were not significantly different (p> 0.05). However, MPV values were significantly higher in the preclampsia group compared to the control group (9.66 ± 1.62 and 8.92 ± 1.33, respectively) (p < 0.001). In our study, the optimum cut-off value of MPV was 9.15 with 58.7% sensitivity and 61.7% specificity for the prediction of preeclampsia. Pct/MPV ratio (0.02 ± 0.007 vs 0.027 ± 0.029) ( p = 0.01) and PC/MPV ratio ( 24.63 ± 10.90 vs 27.63 ± 10.24) (p = 0.001) were significantly lower in the preeclampsia group than in the control group.
Conslusions:
In preeclampsia, changes in platelet functions, destruction and production lead to changes in platelet indices. Compared with normal healthy pregnant women, preeclamptic pregnant women have higher MPV values. In preeclampsia prediction, MPV and PC/MPV ratio are promising as a diagnostic parameter.
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