Therapeutic effect of platelet-rich plasma intrauterine perfusion concentration on thin endometrium
Objective To investigate the clinical efficacy of intrauterine perfusion of different concentrations of platelet-rich plasma (PRP) in the treatment of thin endometrium. Methods A total of 35 cases of infertility patients who under-went autologous PRP intrauterine perfusion to improve thin endometrium from January 2022 to February 2024 at Run Run Shaw Hospital affiliated to Zhejiang University School of Medicine were selected as the study objects. The significance of in-trauterine perfusion of PRP on endometrium thickening was evaluated by analyzing the difference in endometrial thickness before and after ovulation with different concentrations of PRP perfusion. The effect of PRP on thin endometrial infertility was evaluated by pregnancy outcome index. The influence of endometrial thickness on pregnancy outcome was evaluated by the difference of endometrial thickness between pregnant group and non-pregnant group after autologous PRP perfusion,and the correlation of each index was analyzed. Results Among 35 cases of infertility,the endometrial thickness was (4.77±0.87)mm before intrauterine PRP perfusion and (6.13±0.85)mm after intrauterine PRP perfusion,with statistically sig-nificant difference (P<0.05). The increased endometrial thickness was (1.03±0.31)mm,(1.31±0.47)mm and (1.70±0.85)mm in patients with low,medium and high concentration autologous PRP intrauterine perfusion respectively. The pregnancy outcome of 35 patients showed that a clinical pregnancy rate of 31.4％(11/35)and an early miscarriage rate of 0. Statistical analysis of the endometrial thickness during ovulation after PRP perfusion revealed that the endometrial thickness in the pregnant group was (6.64±0.91)mm while in the non-pregnant group it was (5.86±0.69)mm,with statistically sig-nificant difference(P<0.05). Conclusion Intrauterine perfusion of autologous PRP in patients with thin endometrial in-fertility is helpful for endometrial thickening,and PRP with high concentration of platelets is more effective,thus better im-proving pregnancy outcome,and has clinical significance for the treatment of thin endometrial infertility.
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