湯偉偉 馬小平 朱 利 黃美華 張真真 成 臣 萬貴平1.南京中醫藥大學第一臨床醫學院,江蘇南京210023;2.南京中醫藥大學附屬中西醫結合醫院婦產科,江蘇南京210028;3.江蘇省中醫藥研究院婦產科,江蘇南京210028
補腎活血湯對子宮內膜異位癥相關性不孕患者子宮內膜容受性的影響
湯偉偉1,2,3馬小平2,3朱利2,3黃美華2,3張真真2,3成臣2,3萬貴平2,3
1.南京中醫藥大學第一臨床醫學院,江蘇南京210023;2.南京中醫藥大學附屬中西醫結合醫院婦產科,江蘇南京210028;3.江蘇省中醫藥研究院婦產科,江蘇南京210028
目的觀察補腎活血湯對子宮內膜異位癥相關性不孕患者子宮內膜容受性的影響。方法選取2014年5月~2015年8月在南京中醫藥大學附屬中西醫結合醫院就診,因不孕行宮腹腔鏡聯合治療,經腹腔鏡術中所見及術后病理證實為子宮內膜異位癥,同時宮腔鏡檢查子宮內膜無異常的患者54例作為研究對象,將其隨機分為治療組和對照組,各27例。治療組術后連續服用補腎活血湯3個月經周期,對照組術后不予藥物口服。比較兩組子宮內膜厚度、類型、子宮動脈血流參數及子宮內膜中血管內皮生長因子(VEGF)表達情況,并隨訪半年妊娠率。結果治療后治療組子宮內膜厚度明顯高于對照組,而子宮動脈血流參數搏動指數、阻力指數低于對照組(P<0.05);治療組子宮內膜類型以A、B型為主,而對照組子宮內膜類型以B型為主,兩組比較差異有統計學意義(P<0.05)。治療組VEGF表達水平較對照組強(P<0.05)。隨訪半年,治療組妊娠率明顯高于對照組,差異有統計學意義(P<0.05)。結論補腎活血湯可改善子宮內膜的類型及血流分布情況,增加子宮內膜厚度及VEGF的表達,提高子宮內膜容受性。
補腎活血湯;子宮內膜異位癥;不孕癥;子宮內膜容受性
[Abstract]Objective To observe the effect of Bushen Huoxue Decoction on endometrial receptivity of patients with endometriosis-induced infertility.Methods Fifty-four patients treated in Nanjing Integrated Traditional Chinese and Western Medicine Hospital,Nanjing University of Chinese Medicine from May 2014 to August 2015 were selected,who took hysteroscopy-laparoscopy because of infertility,diagnosed as endometriosis by surgical findings of laparoscope and postoperative pathology,with endometrium without abnormal by hysteroscope.The patients were randomly divided into the treatment group and control group,with 27 cases in each group.The treatment group received continuous treatment of Bushen Huoxue Decoction for 3 menstrual cycles,the control group was not treated with any drugs after operation. The conditions of endometrial thickness,classification,blood flow parameters and the expression of vascular endothelial growth factor(VEGF)in endometrium of the two groups were compared,and the pregnancy rates were followed-up for half year.Results After treatment,the endometrial thickness in the treatment group were significantly higher than those of control group,while pulsatility index and resistant index of blood flow parameters were significantly lower than those of control group(P<0.05).The endometrial classifications were mainly type A and B in the treatment group and type B in the control group,the difference was statistically significant(P<0.05).Theexpression of VEGF in the treatment group was stronger than that of control group(P<0.05).Followed-up for half year,the pregnancy rate of treatment group was higher than that of control group,the difference was statistically significant(P<0.05).Conclusion Bushen Huoxue Decoction can improve the endometrial classification and blood flow distribution,increase the endometrial thickness and the expression of VEGF,enhance endometrial receptivity.
[Key words]Bushen Huoxue Decoction;Endometriosis;Infertility;Endometrial receptivity
子宮內膜異位癥(endometriosis,EMT)由于盆腔微環境、免疫功能、卵巢功能的改變,40%~50%的患者合并不孕,為非EMT人群的20倍[1-3]。EMT不孕患者行體外受精-胚胎移植時胚胎移植率高達85%,但妊娠率僅20%左右[4],表明EMT患者子宮內膜存在影響胚胎著床的諸多不利因素[5-6]。研究發現,致使EMT患者不孕的重要原因是子宮內膜容受性下降[7-8]。補腎活血湯(Bushen Huoxue Decoction)為南京中醫藥大學附屬中西醫結合醫院(以下簡稱“我院”)院內方,可改善卵巢血供,促進排卵,增強黃體功能,同時具有改善腹腔液微環境、促進卵子受精及早期胚胎發育的作用,臨床治療不孕癥效果確切[9-12],但能否改善EMT相關性不孕患者子宮內膜容受性及作用機制有待進一步探究。
1.1一般資料
選擇2014年5月~2015年8月在我院婦科就診,因不孕行宮腹腔鏡聯合治療,經腹腔鏡術中所見及術后病理證實為EMT,同時宮腔鏡檢查子宮內膜無異常的54例作為研究對象,年齡(28.89±3.14)歲,不孕年限(2.53±0.69)年。按照隨機數字表法將患者隨機分為治療組和對照組,各27例。兩組患者在年齡、不孕年限、體重指數、基礎激素水平等方面比較,差異無統計學意義(P>0.05),具有可比性。見表1。
1.2方法
治療組:術后非月經期予以補腎活血湯口服治療。方藥組成以菟絲子10 g、肉蓯蓉10 g、當歸10 g、川芎6 g、山藥15 g、柴胡6 g、白芍15 g、生地10 g。湯劑,水煎服,每日1劑,早晚分服,連續服用3個月經周期。對照組:術后不予藥物口服,觀察3個月經周期。

表1 兩組一般資料比較(x±s)
1.3觀察指標
黃體中后期(月經周期第20~24天或排卵后6~8天)采用高分辨率經陰道多普勒超聲,經子宮矢狀切面測量雙層子宮內膜厚度;根據文獻報道[13-14],將子宮內膜的回聲類型分為3型:①三線型(A型);②高回聲型(B型);③等回聲型(C型)。同時測定子宮動脈的阻力指數(RI)、搏動指數(PI)。宮腹腔鏡聯合檢查時在宮腔鏡直視下行內膜活檢,鉗取內膜組織約2 mg;術后3個月采用一次性宮腔取樣器行內膜活檢,免疫組化檢測子宮內膜中血管內皮生長因子(VEGF)的表達情況。VEGF陽性部位為棕黃色顆粒樣著色,每份圖像選取10×40高倍視野5個區域,每個視野計數200個細胞,計數陽性細胞數占總細胞數的百分比:<5%為陰性(-)、5%~<25%為弱陽性(+)、25%~<50%為中等陽性(++)、≥50%為強陽性(+++)。統計隨訪半年妊娠率。
1.4統計學方法
采用SPSS 17.0統計軟件進行數據分析,計量資料用均數±標準差(x±s)表示,采用t檢驗;計數資料采用χ2檢驗;等級資料比較采用秩和檢驗,以P<0.05為差異有統計學意義。
2.1兩組子宮內膜厚度、類型及子宮動脈血流參數比較
治療后,治療組子宮內膜厚度顯著高于對照組,而子宮動脈血流參數PI、RI值顯著低于對照組,兩組比較差異有統計學意義(P<0.05)。治療組子宮內膜類型以A、B型為主,而對照組子宮內膜類型以B型為主,經秩和檢驗,兩組子宮內膜類型比較差異有統計學意義(P<0.05)。見表2。
2.2兩組子宮內膜中VEGF表達情況比較
VEGF主要表達于子宮內膜腺體和間質。治療組VEGF表達較對照組強,差異有統計學意義(Z=-2.33,P<0.05)。見圖1(封三)、表3。
2.3兩組妊娠率比較
術后隨訪半年,治療組15例妊娠,妊娠率為55.56%(15/27),對照組6例妊娠,妊娠率為22.22%(6/27),差異有統計學意義(P<0.05)。

表2 兩組子宮內膜厚度、類型及子宮動脈血流參數比較

表3 兩組子宮內膜中血管內皮生長因子表達情況[n(%)]
研究發現,致使EMT患者不孕的重要原因是子宮內膜容受性下降[15]。因此,提高子宮內膜容受性對提高妊娠率非常重要[16]。目前已有的激素治療無法針對改善EMT患者子宮內膜容受性,副作用明顯,難以堅持用藥;手術治療受適應證的限制,臨床開展受限[17]。目前尚缺乏有效改善EMT患者子宮內膜容受性的措施。
近年來,中醫藥改善子宮內膜容受性的文獻多有報道,成為改善EMT患者子宮內膜容受性的優良藥物類型,依據中醫“腎主生殖”理論,“溫腎助陽、活血化瘀”是中醫改善子宮內膜容受性的基本方法[18]。補腎活血湯是我院經驗方,該方以補腎養精、滋培根本為主,養血活血調經為輔,佐以疏肝健脾,諸藥合用,共奏補腎活血、調經助孕之功效。但該方能否改善EMT患者子宮內膜容受性尚不清楚,有待進一步探究。
曾品鴻等[14]認為適合著床的理想內膜厚度是8~10 mm,A型內膜是子宮內膜容受最佳形態。本研究中患者經宮腔鏡檢查后,子宮內膜厚度較前增加,經補腎活血湯治療后子宮內膜厚度進一步增加,A型內膜百分比增加,而子宮動脈PI、RI值均降低,與覃桂榮等[19]報道的宮腔鏡子宮內膜微創傷可以改善子宮內膜容受性相符,而聯合應用補腎活血湯效果更佳。
研究認為子宮內膜下血流越豐富,子宮內膜容受性越好[20]。本研究發現補腎活血湯可以提高子宮動脈血流灌注,但子宮動脈血流的改善,是否能夠改善子宮內膜下血流灌注尚不明確,VEGF是促進子宮內膜下血管新生、建立豐富毛細血管網的有效因子,其表達水平可直接反映子宮內膜下血流情況,為此本研究觀察了子宮內膜中VEGF的表達情況,發現補腎活血湯治療后VEGF表達明顯增加,提示補腎活血湯可以有效促進血管新生改善子宮內膜容受性。術后對患者進行為期半年的隨訪,補腎活血湯治療后,妊娠率明顯提高,充分肯定了補腎活血湯對提高子宮內膜容受性的臨床應用價值。
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Influence of Bushen Huoxue Decoction on endometrial receptivity of patients with endometriosis-induced infertility
TANG Weiwei1,2,3MA Xiaoping2,3ZHU Li2,3HUANG Meihua2,3ZHANG Zhenzhen2,3CHENG Chen2,3WAN Guiping2,3
1.The First Clinical Medical College,Nanjing University of Chinese Medicine,Jiangsu Province,Nanjing210023,China;2.Department of Obstetrics and Gynecology,Nanjing Integrated Traditional Chinese and Western Medicine Hospital,Nanjing University of Chinese Medicine,Jiangsu Province,Nanjing210028,China;3.Department of Obstetrics and Gynecology,Jiangsu Academy of Traditional Chinese Medicine,Jiangsu Province,Nanjing210028,China
R711.71
A
1673-7210(2016)09(a)-0122-04
2016-03-20本文編輯:任念)
江蘇省基礎研究計劃(自然科學基金)——面上研究項目(BK20131457);中國中醫科學院江蘇分院院級課題(JSBN1304、JSBY1309);楊桂云江蘇省名老中醫藥專家傳承工作室建設項目。
湯偉偉(1984-),女,碩士研究生,從事子宮內膜異位癥相關性不孕的中醫藥研究。
萬貴平(1964-),男,碩士,教授,碩士研究生導師,主任醫師;研究方向:子宮內膜異位癥的中醫藥研究。