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題 名 | Laser-Assisted Hatching of Embryos in Women of Advanced Age after in Vitro Fertilization: A Preliminary Report=雷射人工孵化對於高齡婦女行試管嬰兒之影響--初步報告 |
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作 者 | 洪上國; 張嘉琳; 吳憲銘; 王家瑋; 陳俊凱; 黃泓淵; 王馨世; 宋永魁; | 書刊名 | 長庚醫學 |
卷 期 | 25:8 2002.08[民91.08] |
頁 次 | 頁531-537 |
分類號 | 417.125 |
關鍵詞 | 遠紅外線雷射; 人工孵化; 高齡婦女; Diode laser; Assisted hatching; Advanced female age; |
語 文 | 英文(English) |
中文摘要 | 背景:對於大於37歲的不孕症女性,一般認為胚胎無法突破透明帶而著床和著床率無法提高關。因此藉由輔助性孵化,應是可以提高著床率。 方法:本實驗分析120個試管嬰兒治療週期,將實驗對象依年齡分為兩組:第一組為對照組,胚胎在植入之前不做雷射輔助性孵化(LAH),而第二組則在植入之前施行LAH。雷射為波長1.48μm(遠紅外線)diode雷射。雷射打穿透明帶,製造一個約20μm的開口。 結果:兩組實驗對象的平均年齡分別為38.8±1.8及39.5±1.6歲(p=0.17)。取出之卵子數目,子宮內膜厚度,植入胚胎之數目及分數無明顯統計上之差異。著床率分別為7.3%及6.7%(p=0.89),懷孕率分別為16.3%及17.5%(p=0.86)以及早期妊娠喪失均無統計上之差異。 結論:LAH本身對大於37歲的不孕症乘性無明顯助益。 |
英文摘要 | Background: For infertile women aged over 37 years, failure of the zona pellucida to rupture is believed to be associated with a decreased implantation rate in vitrofertilization (IVF) or intracytoplasmic sperm injection (ICSI). It had been suggested that assisted hatching of embryos will increase the pregnancy rate with IVF by means of mechanically facilitating the hatching process. Methods: One hundred twenty cycles of IVF/ICSI in females aged over 37 years were analyzed. Women included in this study were allocated into 2 groups. In group I, embryos were cultured and transferred without laser-assisted hatching (LAH), whereas embryos of group II were examined and treated with LAH just before being transferred. Laser manipulations were performed using a 1.48-μm (infraed) diode laser (Fertilase). The laser was aimer at the zona to create openings of about 20 μm in diameter. Results: The mean ages of women in groups I and II were 38.8±1.8 and 39.5±1.6 years, respectively (p=0.17). The number of retrieved oocytes, endometrial thickness, and number and quality of transferred embryos did not significantly differ between the 2 groups. Rates of implantation (7.3% and 6.7%, respectively, p=0.89), pregnancy (16.3% and 17.5%, respectively, p=0.86), and early pregnancy loss did not differ between the 2 groups. Conclusion: Our data failed to demonstrate any benefit of LAH in improving implantation or pregnancy rates in women of advanced age, suggesting that factors other than laser drilling of the zona should be considered. |
本系統中英文摘要資訊取自各篇刊載內容。