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Analysis of blocking antibody and lymphocyte subsets in elderly patients with recurrent spontaneous abortion / 中国综合临床
Clinical Medicine of China ; (12): 376-379, 2020.
Artigo em Chinês | WPRIM | ID: wpr-867543
ABSTRACT

Objective:

To explore the relationship between blocking antibody and lymphocyte subsets in elderly patients (age≥35 years old) with recurrent spontaneous abortion(RSA).

Methods:

A retrospective case-control study was conducted on the patients with recurrent spontaneous abortion who met the inclusion criteria from October 2014 to September 2019 in the Reproductive Center of Women Health Center of Shanxi.They were divided into two groups according to their ages 66 cases in RSA group and 334 cases in normal pregnant age group.The blocking antibody and lymphocyte subsets were detected by flow cytometry.

Results:

The negative rate of blocking antibody in elderly recurrent spontaneous abortion patients was 77.27% (51/66), which was not significantly different from that in normal gestational recurrent spontaneous abortion patients (83.53%(279/334)) ( P=0.221), but significantly higher than that in normal women (23.46%(42/179)) ( P=0.001). The blocking antibody′s blocking efficiency results showed that the CD3′s blocking efficiency of elderly recurrent spontaneous abortion patients (0.10 (-0.50, 0.60)) was significantly lower than that of normal women (0.60 (0.00, 1.30)), the difference was statistically( P=0.001). The CD8 blocking efficiency of elderly recurrent spontaneous abortion patients (0.00 (-0.60, 0.63)) was significantly lower than that of normal women (0.30 (0.00, 0.70)), the difference was statistically( P=0.016). Lymphocyte subsets showed that the CD8 + T cell ratio in elderly recurrent spontaneous abortion patients (26.93±7.25) was significantly lower than that in normal gestational recurrent spontaneous abortion patients (29.22±7.29), the difference was statistically significant ( P=0.020). The CD4 + /CD8 + ratio in elderly recurrent spontaneous abortion patients (1.64±0.99) was significantly higher than that in normal gestational age recurrent spontaneous abortion patients (1.37±0.50), the difference was statistically significant ( P=0.030). The ratio of natural killer cells in elderly recurrent spontaneous abortion patients (16.13±7.10) was significantly higher than that in normal women (14.04±2.35), the difference was statistically significant ( P=0.022), and higher than that in normal gestational age recurrent spontaneous abortion women (15.57±7.02).

Conclusion:

There were differences in lymphocyte subsets between elderly RSA patients and normal pregnant women, and the increase of natural killer cell ratio may be an important factor in the occurrence of RSA, especially in elderly RSA patients.
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Tipo de estudo: Estudo observacional Idioma: Chinês Revista: Clinical Medicine of China Ano de publicação: 2020 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Tipo de estudo: Estudo observacional Idioma: Chinês Revista: Clinical Medicine of China Ano de publicação: 2020 Tipo de documento: Artigo