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      試管嬰兒雙胎妊娠的母嬰臨床結(jié)局研究

      2021-06-08 11:05:47屠世炯何小波
      中國現(xiàn)代醫(yī)生 2021年12期
      關(guān)鍵詞:并發(fā)癥

      屠世炯  何小波

      [摘要] 目的 探討試管嬰兒雙胎與單胎妊娠的母嬰臨床特征及妊娠結(jié)局。 方法 回顧性分析2017年1月至2019年12月在我院產(chǎn)科住院分娩的試管嬰兒病例620例,其中雙胎妊娠195例作為研究組,單胎妊娠病例425例作為對照組,對其分娩前及分娩后臨床資料及數(shù)據(jù)等進(jìn)行研究分析。 結(jié)果 研究組的住院天數(shù)(12.77±2.96)d、妊娠高血壓疾病(19.00%)、早產(chǎn)(60.00%)、低出生體重兒(28.20%)均高于對照組的(9.92±1.26)d、11.30%、15.80%、5.60%,差異均有統(tǒng)計(jì)學(xué)意義(P<0.05)。研究組剖宮產(chǎn)分娩率(99.00%),產(chǎn)后出血例數(shù)(25.60%),宮腔球囊填塞止血例數(shù)(29.20%)均高于對照組的66.60%,17.60%,12.00%,差異均有統(tǒng)計(jì)學(xué)意義(P<0.05)。但研究組的高齡妊娠例數(shù)(20.50%)和胎膜早破例數(shù)(12.30%)均低于對照組的29.90%、16.90%,差異均有統(tǒng)計(jì)學(xué)意義(P<0.05)。 結(jié)論 試管妊娠雙胎與單胎相比,其母嬰并發(fā)癥及合并癥明顯多于單胎,故對于不孕不育的患者在移植過程中,對于胚胎移植數(shù)目需嚴(yán)格按照指南進(jìn)行,加強(qiáng)產(chǎn)前檢查, 監(jiān)測孕期胎兒體重情況, 積極處理,避免不良結(jié)局的發(fā)生。

      [關(guān)鍵詞] 試管妊娠;雙胎妊娠;圍產(chǎn)結(jié)局;并發(fā)癥

      [中圖分類號] R714.2? ? ? ? ? [文獻(xiàn)標(biāo)識碼] B? ? ? ? ? [文章編號] 1673-9701(2021)12-0079-04

      Study on the mother and infant clinical outcome of twin pregnancy in test-tube baby

      TU Shijiong? ?HE Xiaobo

      Department of Obstetrics, Ningbo Women and Children′s Hospital, Ningbo? ?315012, China

      [Abstract] Objective To explore the mother and infant clinical characteristics and pregnancy outcome of test-tube twin pregnancy and singleton pregnancy. Methods A total of 620 cases of test-tube babies who were hospitalized and gave birth in the Department of Obstetrics in our hospital from January 2017 to December 2019 were retrospectively analyzed. Among them, 195 cases of twin pregnancy were used as the study group, and 425 cases of singleton pregnancy were used as the control group. The clinical data before and after delivery were studied and analyzed. Results The length of stays(12.77±2.96)days,the number of cases of pregnancy-induced hypertension (19.00%), the number of preterm births (60.00%),and the number of low birth weight infants(28.20%) in the study group were all higher than the length of stays(9.92±1.26)days, the number of cases of pregnancy-induced hypertension(11.30%), the number of premature births(15.80%), and the number of low birth weight infants(5.60%) in the control group, and the differences between the two groups were statistically significant(P<0.05). The delivery rate of Cesarean section (99.00%), the number of cases of postpartum hemorrhage (25.60%), the number of cases of uterine balloon tamponade hemostasis (29.20%) in the study group were higher than the delivery rate of Cesarean section(66.60%), and the number of cases of postpartum hemorrhage(17.60%), the number of cases of uterine balloon tamponade hemostasis(12.00%) in the control group, and the differences between the two groups were statistically significant(P<0.05). However,the number of cases of elderly pregnan group(20.50%) and premature rupture of membranes(12.30%) in the study group were lower than those in the control group (29.90% and 16.90%), and the differences between the two groups was statistically significant(P<0.05). Conclusion Compared with singleton pregnancy, test-tube twins have significantly more mother and infant complications and concurrent disorders than singleton pregnancy. Therefore, in the process of transplantation for infertile patients, the number of embryo transfers must be carried out in strict accordance with the guidelines, prenatal inspections should be strengthened, and the fetal weight during pregnancy should be monitored. Measures should be carried out in a timely manner to avoid adverse outcomes.

      [Key words] Test tube pregnancy; Twin pregnancy; Perinatal outcomes; Complications

      隨著環(huán)境的變化及自身因素改變,近年來,不孕不育發(fā)病率明顯上升,在發(fā)達(dá)國家不孕不育的發(fā)生率為5%~8%[1],我國不孕不育發(fā)病率為15%[2],遠(yuǎn)高于歐美國家,故借助生殖輔助技術(shù)的需求明顯增加。自1978年第1例試管嬰兒誕生,距今已40余年,體外受精胚胎移植術(shù)(In vitro fertilization-embryo transfer,IVF-ET)簡稱試管嬰兒技術(shù)[3],是治療不孕癥的有效手段之一,已廣泛運(yùn)用于全世界,解決了大部分不孕不育癥;在發(fā)達(dá)國家,通過ART出生的試管嬰兒已占總數(shù)的1%~4%[1,4]。但此技術(shù)最常見的并發(fā)癥——多胎妊娠[5],越來越引起人們的關(guān)注。大量文獻(xiàn)已報(bào)道試管嬰兒雙胎妊娠與自然受孕雙胎妊娠的母嬰妊娠結(jié)局[4-6],其并發(fā)癥及合并癥明顯多于自然受孕雙胎,但國內(nèi)外報(bào)道結(jié)局不一,且缺乏與單胎試管嬰兒妊娠結(jié)局的比較。故本研究對我院2017年1月至2019年12月試管嬰兒雙胎及單胎妊娠的母嬰情況進(jìn)行比較分析,現(xiàn)報(bào)道如下。

      1 資料與方法

      1.1 一般資料

      收集2017年1月至2019年12月在本院產(chǎn)檢并分娩的孕婦13 900例,其中試管嬰兒620例,以雙胎妊娠195例作為研究組,單胎妊娠病例425例作為對照組。納入標(biāo)準(zhǔn):妊娠孕婦均行IVF-ET受孕及孕周≥28周。排除標(biāo)準(zhǔn):受孕期合并有內(nèi)外科疾病,如:高血壓、糖尿病等慢性疾病者;孕期行減胎術(shù);雙胎一胎胎死宮內(nèi)者。所有患者均自愿參加本研究并簽署知情同意書。

      1.2 方法

      ①文中所提及的妊娠合并癥及并發(fā)癥(前置胎盤、糖尿病、胎膜早破、妊娠期高血壓疾病、產(chǎn)后出血)等各項(xiàng)基本的診斷均以謝幸等第9版《婦產(chǎn)科學(xué)》為標(biāo)準(zhǔn)[1]。②早產(chǎn)兒定義:妊娠達(dá)到28周但不足37周分娩者,此時(shí)娩出的新生兒稱為早產(chǎn)兒(Preterm neonates)[1];低出生體重兒定義:出生體重<2500 g的新生兒[1]。③國際婦產(chǎn)科聯(lián)盟將分娩年齡≥35歲的妊娠定義為高齡妊娠,此時(shí)期的孕產(chǎn)婦稱之為高齡孕產(chǎn)婦[4]。

      1.3 觀察指標(biāo)

      本研究采用回顧性分析方法,對兩組孕婦一般資料(年齡、體質(zhì)量指數(shù)、孕次、產(chǎn)次、住院天數(shù))、分娩方式(剖宮產(chǎn)、陰道分娩)、妊娠期并發(fā)癥(前置胎盤、妊娠糖尿病、胎膜早破、妊娠高血壓疾?。⑷焉锝Y(jié)局(產(chǎn)后出血)及新生兒情況(早產(chǎn)兒、低出生體重兒)發(fā)生情況進(jìn)行比較。

      1.4 統(tǒng)計(jì)學(xué)方法

      采用SPSS18.0統(tǒng)計(jì)學(xué)軟件進(jìn)行處理,計(jì)量資料以均數(shù)±標(biāo)準(zhǔn)差(x±s)表示,采用t檢驗(yàn),計(jì)數(shù)資料以[n(%)]表示,采用χ2檢驗(yàn),P<0.05為差異有統(tǒng)計(jì)學(xué)意義。

      2 結(jié)果

      2.1 雙胎剖宮產(chǎn)產(chǎn)后出血中患者兩組病例一般資料分析

      195例雙胎和425例單胎妊娠的試管嬰兒的病例中,單因素分析結(jié)果顯示,兩組孕婦在一般資料,如年齡、體質(zhì)量指數(shù)、初次妊娠均未見明顯差異,其合并有前置胎盤、妊娠糖尿病、絨毛膜羊膜炎等比較,差異無統(tǒng)計(jì)學(xué)意義(P>0.05)。但研究組住院天數(shù)、高齡妊娠、妊娠高血壓疾病、胎膜早破等指標(biāo)明顯高于對照組,差異有統(tǒng)計(jì)學(xué)意義(P<0.05)。

      2.2 兩組患者分娩中及分娩后情況分析

      研究組剖宮產(chǎn)分娩率達(dá)到99.00%,單胎分娩剖宮產(chǎn)分娩率達(dá)到66.60%,產(chǎn)后出血發(fā)生例數(shù)及宮腔球囊填塞止血例數(shù)均多于對照組,研究組早產(chǎn)兒及低出生體重兒發(fā)生率均高于對照組,差異有統(tǒng)計(jì)學(xué)意義(P<0.05);其子宮切除及子宮動(dòng)脈栓塞發(fā)生率與對照組比較,差異無統(tǒng)計(jì)學(xué)意義(P>0.05)。

      3 討論

      隨著不孕不育癥的發(fā)生率劇增和輔助生殖技術(shù)的進(jìn)步,試管嬰兒在逐年增加。本研究中統(tǒng)計(jì)出近3年的試管嬰兒發(fā)生率為4.46%(620/13 900),遠(yuǎn)遠(yuǎn)高于歐美國家中通過ART出生的孩子(1%~4%)[7]。多胎妊娠是試管嬰兒技術(shù)最常見的并發(fā)癥,為了保證單次移植妊娠成功率,大部分移植中心常規(guī)移植2~3枚胚胎,同時(shí)使試管嬰兒多胎妊娠率達(dá)到15%~40%不等,遠(yuǎn)遠(yuǎn)高于自然妊娠的多胎率(1%~2%)[8-10]。本研究中,多胎妊娠率為31.5%(195/620),與報(bào)道相符。雙胎可引起母體宮腔壓力升高、營養(yǎng)需求增加,均增加早產(chǎn)及低出生體重發(fā)生風(fēng)險(xiǎn),與本研究相符。故在中華醫(yī)學(xué)會(huì)生殖醫(yī)學(xué)分會(huì)中不孕癥指南(Single embryo transfer,SET)建議:對于預(yù)后情況良好的35~37歲女性,建議選擇性單胚胎移植,以降低多胎妊娠率和母嬰并發(fā)癥;對于預(yù)后情況不佳或>37歲的女性,可考慮雙胚胎移植,但需告知多胎妊娠和母嬰并發(fā)癥的風(fēng)險(xiǎn)[4,11]。

      既往的研究發(fā)現(xiàn)雙胎妊娠不良妊娠風(fēng)險(xiǎn)的發(fā)生率明顯增多,且其合并癥及并發(fā)癥明顯高于單胎妊娠,尤其妊娠期高血壓疾病、糖尿病、早產(chǎn)的發(fā)生明顯高于自然妊娠雙胎及試管嬰兒的單胎,這和本文的研究相符[12-14],分析其原因可能為有不孕史的女性,即使未采用ART妊娠,不孕病史是產(chǎn)科并發(fā)癥和不良妊娠結(jié)局的獨(dú)立危險(xiǎn)因素,女性隨著年齡增長,不僅生育能力下降,且不良妊娠結(jié)局的發(fā)生率也增加[16-17]。且在試管嬰兒妊娠過程中,促排卵治療及體外培養(yǎng)操作,均對胚胎的生長產(chǎn)生影響,同時(shí)體內(nèi)超生理量的激素刺激,均會(huì)增加母體某些并發(fā)癥的發(fā)生風(fēng)險(xiǎn)[18]。

      本研究提示我院試管嬰兒的雙胎妊娠剖宮產(chǎn)率為99.00%,其單胎妊娠的剖宮產(chǎn)率為66.60%,遠(yuǎn)遠(yuǎn)高于WHO警戒線。由于經(jīng)過多年不孕治療,年齡偏大,認(rèn)為胎兒來之不易,陰道試產(chǎn)危險(xiǎn)性高,故多要求剖宮產(chǎn)分娩,同時(shí)由于社會(huì)因素和醫(yī)療環(huán)境的惡化,也導(dǎo)致醫(yī)源性剖宮產(chǎn)率的增加[19]。另發(fā)現(xiàn)試管嬰兒組雙胎妊娠產(chǎn)婦妊娠期高血壓疾病發(fā)生率較單胎妊娠產(chǎn)婦高[20],這和自然妊娠結(jié)局雙胎比單胎妊娠在妊娠期高血壓疾病方面多3~4倍[1,21],且存在發(fā)病早,程度重,容易出現(xiàn)心肺并發(fā)癥及子癇。本研究提示胎膜早破發(fā)生率試管嬰兒組雙胎和單胎妊娠,有明顯差異性,既往研究顯示,其發(fā)生率約達(dá)14%[1,21],可能與宮腔內(nèi)壓力增高有關(guān),同時(shí)產(chǎn)后出血發(fā)生率也明顯增加。

      本研究對試管嬰兒雙胎及單胎的不同結(jié)局進(jìn)行分析,發(fā)現(xiàn)試管妊娠雙胎與單胎相比,其母嬰并發(fā)癥及合并癥(妊娠高血壓疾病、產(chǎn)后出血、早產(chǎn)、低出生體重兒)明顯多于單胎,故對于不孕不育的患者在移植過程中,對于胚胎移植數(shù)目需嚴(yán)格按照指南進(jìn)行[4,15],同時(shí)加強(qiáng)產(chǎn)前檢查,監(jiān)測孕期胎兒體重情況,積極處理,以減少宮內(nèi)發(fā)育不均衡的發(fā)生。警惕妊娠期合并癥的發(fā)生,早期積極處理,避免不良結(jié)局的發(fā)生。

      [參考文獻(xiàn)]

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      [8] Ana Ballesta-Castillejos,Juan Gomez-Salgado,Julian Rodriguez-Almagro,et al. Obstetric and perinatal complications associated with assisted reproductive treatment in Spain[J]. Journal of Assisted Reproduction and Genetics,2019,36(12):2435-2445.

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      [18] G David Adamson,Jacques de Mouzon,Georgina M Chambers,et al. International committee for monitoring assisted reproductive technology:World report on assisted reproductive technology,2011[J].Fertility and Sterility,2018,110(6):1067-1080.

      [19] Barbara Luke. Pregnancy and birth outcomes in couples with infertility with and without assisted reproductive technology:With an emphasis on US population-based studies[J]. American Journal of Obstetrics and Gynecology,2017,217(3):270-281.

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      [21] Paola Algeri,Sara Ornaghi,Isadora VaglioTessitore,et al. Delivery and feto-neonatal outcomes of diamniotic twin pregnancies in women with no chronic disease or gestational complications:Impact of mode of conception[J].The Journal of Maternal-Fetal & Neonatal Medicine,2020, 33(12):2081-2088.

      (收稿日期:2020-10-09)

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