王蘭玉
[摘要] 目的 探討腹壁子宮內(nèi)膜異位癥的發(fā)生與剖宮產(chǎn)腹壁切口的關(guān)系。 方法 通過計(jì)算機(jī)檢索中國期刊全文數(shù)據(jù)庫、萬方數(shù)據(jù)庫、重慶維普期刊數(shù)據(jù)庫、EBSCO、PubMed,按照納入和排除標(biāo)準(zhǔn)收集研究兩種剖宮產(chǎn)腹壁切口類型的腹壁子宮內(nèi)膜異位癥的病例對(duì)照研究8篇,檢索時(shí)間為1997~2013年,采用RevMan 5.2軟件進(jìn)行Meta分析。 結(jié)果 橫切口組與縱切口組腹壁子宮內(nèi)膜異位癥發(fā)生率的比較,差異有統(tǒng)計(jì)學(xué)意義[OR合并=1.42,95%CI為(1.10,1.85),Z=2.65,P=0.008],本研究納入文獻(xiàn)的發(fā)表性偏倚的漏斗圖分析,基本呈對(duì)稱倒漏斗狀。 結(jié)論 剖宮產(chǎn)術(shù)后腹壁子宮內(nèi)膜異位癥的發(fā)生與腹壁切口的選擇關(guān)系密切,橫切口易發(fā)生腹壁子宮內(nèi)膜異位癥。
[關(guān)鍵詞] 剖宮產(chǎn)切口;子宮內(nèi)膜異位癥;循證醫(yī)學(xué)
[中圖分類號(hào)] R711.71[文獻(xiàn)標(biāo)識(shí)碼] A[文章編號(hào)] 1674-4721(2014)06(a)-0009-03
Evidence-based medical research of abdominal wall endometriosis from cesarean section
WANG Lan-yu
Department of Obstetrics,Jinzhou Maternal and Infants Hospital in Liaoning Province,Jinzhou 121000,China
[Abstract] Objective To discuss the relationship between abdominal wall endometriosis and cesarean abdominal incision. Methods Chinese Journal Full-text database,WanFang DATA,Chongqing VIP periodical database,EBSCO,PubMed from 1997 through 2013 was retrievaled to identify case-control studies about the abdominal wall endometriosis from two kinds of cesarean incisions.The quality of the included studies was assessed and the RevMan 5.2 software was used for Meta-analysis. Results There were
剖宮產(chǎn)術(shù)式切口的選擇僅有恥骨上橫切口和下腹縱切口兩種,在無嚴(yán)重合并癥的產(chǎn)婦中,橫切口比縱切口更易被接受[1],腹壁子宮內(nèi)膜異位癥作為剖宮產(chǎn)手術(shù)的遠(yuǎn)期并發(fā)癥之一[2],其發(fā)生率也呈現(xiàn)出上升趨勢,為0.03%~0.47%[3]。本文收集1997年以來國內(nèi)外已發(fā)表的關(guān)于剖宮產(chǎn)腹壁切口子宮內(nèi)膜異位癥的文獻(xiàn),定量評(píng)價(jià)剖宮產(chǎn)腹壁切口類型與腹壁子宮內(nèi)膜異位癥之間的關(guān)系,以期全面認(rèn)識(shí)剖宮產(chǎn)腹壁切口子宮內(nèi)膜異位癥發(fā)生的相關(guān)因素,從而采取恰當(dāng)?shù)姆乐未胧?,降低其發(fā)病率。
1 資料與方法
1.1 研究對(duì)象
通過計(jì)算機(jī)檢索中國期刊全文數(shù)據(jù)庫、萬方數(shù)據(jù)庫、重慶維普期刊數(shù)據(jù)庫、EBSCO、PubMed,按照納入和排除標(biāo)準(zhǔn)收集研究兩種剖宮產(chǎn)腹壁切口類型的腹壁子宮內(nèi)膜異位癥的病例對(duì)照研究,檢索時(shí)間為1997~2013年,結(jié)果共納入8個(gè)研究,229例患者。
1.2 研究方法
1.2.1 文獻(xiàn)納入標(biāo)準(zhǔn)原始資料為已公開發(fā)表的文獻(xiàn);納入患者均有剖宮產(chǎn)術(shù)史;原始文獻(xiàn)中須是臨床隨機(jī)對(duì)照試驗(yàn)或半隨機(jī)對(duì)照試驗(yàn);原始文獻(xiàn)中須有腹壁子宮內(nèi)膜異位癥的患者;原始文獻(xiàn)中須包含橫切口和縱切口兩種腹壁切口類型的患者;所有文獻(xiàn)的研究方法相近或相似,并且有綜合的統(tǒng)計(jì)指標(biāo)。
1.2.2 文獻(xiàn)排除標(biāo)準(zhǔn)原始資料是未公開發(fā)表的文獻(xiàn);原始文獻(xiàn)中沒有設(shè)立對(duì)照;原始文獻(xiàn)試驗(yàn)設(shè)計(jì)方法不科學(xué)、不嚴(yán)謹(jǐn)(診斷標(biāo)準(zhǔn)不規(guī)范、研究目的不明確、沒有完整的四格表資料等)。
1.3 統(tǒng)計(jì)學(xué)方法
采用由Cochrane協(xié)助網(wǎng)提供的RevMan 5.2軟件進(jìn)行Meta分析,對(duì)所納入的文獻(xiàn)的研究效應(yīng)量作齊性檢驗(yàn),若各研究結(jié)果之間存在顯著的異質(zhì)性(P﹤0.05),采用隨機(jī)效應(yīng)模型進(jìn)行Meta分析。計(jì)數(shù)資料用比值比(odds ratio,OR)表示,計(jì)算95%可信區(qū)間(CI),依次剔除每個(gè)研究進(jìn)行敏感性分析,對(duì)發(fā)表偏倚用漏斗圖進(jìn)行分析。
2 結(jié)果
2.1 納入研究的描述
計(jì)算機(jī)檢索出相關(guān)的文獻(xiàn)共69篇,其中包括中文文獻(xiàn)28篇和英文文獻(xiàn)41篇,按照納入標(biāo)準(zhǔn)通過嚴(yán)格的篩選和評(píng)價(jià)后共有8篇文獻(xiàn)共計(jì)229例患者進(jìn)入研究。按設(shè)計(jì)類型分為6篇是病例對(duì)照研究,2篇是現(xiàn)況研究,均收集和統(tǒng)計(jì)了某一時(shí)間段某地剖宮產(chǎn)術(shù)后腹壁子宮內(nèi)膜異位癥患者中橫切口與縱切口現(xiàn)成的臨床資料,其中6篇文獻(xiàn)提及橫切口組發(fā)病率高于縱切口組,1篇文獻(xiàn)顯示橫切口組發(fā)病率低于縱切口組,1篇文獻(xiàn)指出兩者發(fā)病率幾乎相等。每篇文獻(xiàn)提供的詳細(xì)信息見表1。
表1 納入研究提供的基本信息
橫、縱切口組例數(shù)均為n/N;Wi為權(quán)重,為ln(ORi)的方差的倒數(shù),根據(jù)文獻(xiàn)作者提供的統(tǒng)計(jì)量(OR及其95%CI,χ2值等)推算
2.2 統(tǒng)計(jì)分析
2.2.1 合并分析如圖1,合并OR為1.42,95%CI為(1.10,1.85),整體效果檢驗(yàn)Z=2.65,P=0.008,可認(rèn)為橫切口組患者與縱切口組患者的腹壁子宮內(nèi)膜異位癥發(fā)生率的差異有統(tǒng)計(jì)學(xué)意義,可認(rèn)為橫切口組比縱切口組易發(fā)生腹壁子宮內(nèi)膜異位癥。
圖1 兩種腹壁切口類型與腹壁子宮內(nèi)膜異位癥發(fā)病關(guān)聯(lián)的
Meta分析(固定效應(yīng)模型)
2.2.2 發(fā)表性偏倚分析本研究采用漏斗圖法對(duì)納入文獻(xiàn)進(jìn)行發(fā)表偏倚分析,如圖2以合并比值比OR(圖中虛線)為中心,納入的8篇文章分布較好,大樣本的研究分布于圖形頂端較集中,相對(duì)小的樣本研究結(jié)果分布在圖的下方,均在95%CI線范圍之內(nèi),基本上呈倒置漏斗形狀,可認(rèn)為本研究的發(fā)表性偏倚較小。
圖2 8篇文獻(xiàn)的漏斗圖
3 討論
通過本研究分析表明,剖宮產(chǎn)腹壁橫切口患者術(shù)后并發(fā)腹壁子宮內(nèi)膜異位癥的概率高于剖宮產(chǎn)腹壁縱切口的患者,可能因素有:①剖宮產(chǎn)手術(shù)時(shí)產(chǎn)婦為求美觀多選用橫切口術(shù)式[12];②橫切口手術(shù)時(shí)間長、術(shù)野暴露少[13],致使胎兒取出時(shí)羊水、蛻膜及子宮內(nèi)膜等組織易“污染”切口;③為了避免術(shù)后宮內(nèi)殘留,常需用干紗布?jí)K清理宮腔數(shù)次,增加了子宮蛻膜細(xì)胞脫落的概率;④切口是手術(shù)時(shí)接觸最多的部位,橫切口操作復(fù)雜、出血多,增加了子宮內(nèi)膜殘留的機(jī)會(huì);⑤術(shù)畢關(guān)腹沖洗時(shí)兩側(cè)角被遺漏或沖洗不徹底導(dǎo)致少許內(nèi)膜組織滯留從而形成內(nèi)異灶;⑥縱切口患者發(fā)生腹壁子宮內(nèi)膜異位癥的潛伏時(shí)間可能比橫切口患者長[14],從而造成陰性結(jié)果高。
雖然經(jīng)Meta分析現(xiàn)有證據(jù)初步表明剖宮產(chǎn)腹壁橫切口更易發(fā)生腹壁子宮內(nèi)膜異位癥[5],此次研究納入樣本例數(shù)的選擇可能不規(guī)范,試驗(yàn)方法學(xué)質(zhì)量評(píng)價(jià)也相對(duì)較低,這些隨機(jī)對(duì)照試驗(yàn)都極少描述研究設(shè)計(jì)的方案、隨機(jī)化方法以及隨機(jī)方案的隱藏,也沒有給予足夠的信息來判斷試驗(yàn)的科學(xué)合理性。為降低腹壁子宮內(nèi)膜異位癥的發(fā)病率,腹壁切口類型與其關(guān)聯(lián)值得引起臨床醫(yī)生的關(guān)注和進(jìn)一步探索。
本研究資料統(tǒng)計(jì)結(jié)果表明,橫切口更易發(fā)生腹壁子宮內(nèi)膜異位癥,剖宮產(chǎn)時(shí)采用腹壁縱切口手術(shù)更為理想。現(xiàn)在絕大多數(shù)產(chǎn)婦在選擇剖宮產(chǎn)時(shí)仍然傾向于橫切口,雖然橫切口在術(shù)后愈合的過程中形成的瘢痕相對(duì)小且隱蔽,具有美觀、不易發(fā)生傷口裂開和腹壁切口疝、疼痛輕、哺乳舒適等優(yōu)點(diǎn)[15],但是缺點(diǎn)也顯而易見:①手術(shù)時(shí)間長,對(duì)麻醉要求高,增加了麻醉風(fēng)險(xiǎn);②延長切口受限,術(shù)野不易充分暴露,不利于廣泛探查,術(shù)后粘連發(fā)生率高;③腹壁神經(jīng)、腹直肌離斷發(fā)生機(jī)會(huì)多。與橫切口相比,縱切口的優(yōu)點(diǎn)就更為突出:①切開縫合迅速、手術(shù)時(shí)間短、出血少、組織創(chuàng)傷小、手術(shù)視野暴露充分、便于切口延長,被列為包括剖宮產(chǎn)手術(shù)在內(nèi)的腹部各種手術(shù)的首選和最常用切口;②有利于迅速取出胎兒,適合于特殊情況和急癥的處理;③腹壁組織發(fā)生粘連的概率較低,有利于第二次妊娠[16];④遠(yuǎn)期并發(fā)癥發(fā)生率低[17]。
積極預(yù)防剖宮產(chǎn)術(shù)后腹壁子宮內(nèi)膜異位癥的發(fā)生,應(yīng)做到:①嚴(yán)格掌握剖宮產(chǎn)手術(shù)指征,對(duì)無指征者盡可能選擇經(jīng)陰道分娩[18];②加強(qiáng)圍生期管理,減少難產(chǎn)發(fā)生率,降低剖宮產(chǎn)率[18];③實(shí)施剖宮產(chǎn)過程中,充分保護(hù)切口,手取胎盤、胎膜后及時(shí)更換無菌手套,避免反復(fù)以紗布擦拭宮腔,子宮切口縫合時(shí)要避免縫合蛻膜,腹壁切口縫合前充分沖洗切口死角;④根據(jù)本循證醫(yī)學(xué)研究結(jié)果提示剖宮產(chǎn)腹壁選擇縱行切口更為宜。
本研究結(jié)果初步表明,剖宮產(chǎn)腹壁切口與腹壁子宮內(nèi)膜異位癥關(guān)系密切,雖然經(jīng)Meta分析,但也是在現(xiàn)有資料的基礎(chǔ)上進(jìn)行的,這無法取代大規(guī)模、多中心的臨床隨機(jī)對(duì)照試驗(yàn)。隨著新的研究資料的不斷收集,會(huì)得出更有說服力的結(jié)論。
綜上所述,剖宮產(chǎn)術(shù)后腹壁子宮內(nèi)膜異位癥的發(fā)生與腹壁切口的選擇關(guān)系密切,橫切口易發(fā)生腹壁子宮內(nèi)膜異位癥。
[參考文獻(xiàn)]
[1]Erkan N,Haciyanli M,Sayhan H.Abdominal wall endometriomas[J].Int J Gynecol Obstet,2005,89(1):59-60.
[2]Bats SA,Zafrani Y,Pautier P,et al.M alignant transformation of abdominal wallendometriosis to clear cell carcinoma:case report and review of the literature[J].Fertil Steril,2008,90(4):e13-e16.
[3]李小毛,段濤,楊慧霞.剖宮產(chǎn)熱點(diǎn)問題解讀[M].北京:人民軍醫(yī)出版社,2010:82-83.
[4]Palatynski A,Gruszczynska J.Endometriosis in surgical scars after cesarean section comparison of the operative methods[J].Ginekol Pol,2001,72(5):313-316.
[5]Blanco RG,Parithivel VS,Shah AK,et al.Abdominal wall endometriomas[J].Am J Surg,2003,185(6):596-598.
[6]Gaunt A,Heard G,McKain ES,et al.Caesarean scar endometrioma[J].Lancet,2004,364(9431):368.
[7]Olejek A,Zamlynski J,Podwinska E,et al.Abdominal wall endometrioma in the cesarean section scar[J].Ginekol Pol,2008,79(9):612-615.
[8]Francica G,Scarano F,Scotti L,et al.Endometriomas in the region of a scar fromCesarean section:sonographic appearance and clinical presentation vary with the size of the lesion[J].Clin Ultrasound,2009,37(4):215-220.
[9]Chang Y,Tsai E M,Long CY,et al.Abdominal wall endometriomas[J].Reprod Med,2009,54(3):155-159.
[10]Pathan ZA,Dinesh U,Rao R.Scar endometriosis[J].J Cytol,2010,27(3):106-108.
[11]Ozel L,Saqiroqlu J,Unal A,et al.Abdominal wall endometriosis in the cesarean section surgical scar:a potential diagnostic pitfall[J].J Obstet Gynaecol Res,2012,38(3):526-530.
[12]Papavramidis TS,Sapalidis K,Michalopoulos N,et al.Spontaneous abdominal wall endometriosis:a case report[J].Acta Chir Belg,2009,109(6):778-781.
[13]Omranipour R,Najafi M.Papillary serous carcinoma arising in abdominal wall endometriosis treated with neoadjuvant chemotherapy and surgery[J].Fertil Steril,2010,93(4):1347-1348.
[14]Teng C C,Yang H M,Chen K F,et al.Abdominal wall endometriosis:An overlooked but possibly preventable complication[J].Taiwanese J Obstet Gynecol,2008,47(1):42-48.
[15]Mistrangelo M,Gilbo N,Cassoni P,et al.Surgical scar endometriosis[J].Surg Today,2013.[Epub ahead of print]
[16]Pikoulis E,Karavokiros J,Veltsista K,et al.Abdominal scar endometriosis after caesarean section:report of five cases[J].West lndian Med J,2011,60(3):351-353.
[17]郎景和.子宮內(nèi)膜異位癥研究的任務(wù)與展望(之一)[J].中華婦產(chǎn)科雜志,2006,41(5):289-290.
[18]Francica G.Reliable clinical and sonographic findings in the diagnosis of abdomi- nal wall endometriosis near cesarean section scar[J].World J Radiol,2012,4(4):135-140.
(收稿日期:2014-03-26本文編輯:郭靜娟)significant differences between transverse incision group and vertical incision group of the incidence rate of abdominal wall endometriosis[combined odds ratio (OR) was 1.42 with 95%CI was (1.10,1.85),Z=2.65,P=0.008].Funnel plot analysis was used to the publication bias of the including studies,basic symmetrical inverted funnel. Conclusion There is a close relationship between the occurrence of abdominal wall endometriosis and the choice of incision of abdominal wall,in which are mostly transverse incision.
[Key words] Cesarean incision;Endometriosis;Evidence-based medicine
本研究資料統(tǒng)計(jì)結(jié)果表明,橫切口更易發(fā)生腹壁子宮內(nèi)膜異位癥,剖宮產(chǎn)時(shí)采用腹壁縱切口手術(shù)更為理想?,F(xiàn)在絕大多數(shù)產(chǎn)婦在選擇剖宮產(chǎn)時(shí)仍然傾向于橫切口,雖然橫切口在術(shù)后愈合的過程中形成的瘢痕相對(duì)小且隱蔽,具有美觀、不易發(fā)生傷口裂開和腹壁切口疝、疼痛輕、哺乳舒適等優(yōu)點(diǎn)[15],但是缺點(diǎn)也顯而易見:①手術(shù)時(shí)間長,對(duì)麻醉要求高,增加了麻醉風(fēng)險(xiǎn);②延長切口受限,術(shù)野不易充分暴露,不利于廣泛探查,術(shù)后粘連發(fā)生率高;③腹壁神經(jīng)、腹直肌離斷發(fā)生機(jī)會(huì)多。與橫切口相比,縱切口的優(yōu)點(diǎn)就更為突出:①切開縫合迅速、手術(shù)時(shí)間短、出血少、組織創(chuàng)傷小、手術(shù)視野暴露充分、便于切口延長,被列為包括剖宮產(chǎn)手術(shù)在內(nèi)的腹部各種手術(shù)的首選和最常用切口;②有利于迅速取出胎兒,適合于特殊情況和急癥的處理;③腹壁組織發(fā)生粘連的概率較低,有利于第二次妊娠[16];④遠(yuǎn)期并發(fā)癥發(fā)生率低[17]。
積極預(yù)防剖宮產(chǎn)術(shù)后腹壁子宮內(nèi)膜異位癥的發(fā)生,應(yīng)做到:①嚴(yán)格掌握剖宮產(chǎn)手術(shù)指征,對(duì)無指征者盡可能選擇經(jīng)陰道分娩[18];②加強(qiáng)圍生期管理,減少難產(chǎn)發(fā)生率,降低剖宮產(chǎn)率[18];③實(shí)施剖宮產(chǎn)過程中,充分保護(hù)切口,手取胎盤、胎膜后及時(shí)更換無菌手套,避免反復(fù)以紗布擦拭宮腔,子宮切口縫合時(shí)要避免縫合蛻膜,腹壁切口縫合前充分沖洗切口死角;④根據(jù)本循證醫(yī)學(xué)研究結(jié)果提示剖宮產(chǎn)腹壁選擇縱行切口更為宜。
本研究結(jié)果初步表明,剖宮產(chǎn)腹壁切口與腹壁子宮內(nèi)膜異位癥關(guān)系密切,雖然經(jīng)Meta分析,但也是在現(xiàn)有資料的基礎(chǔ)上進(jìn)行的,這無法取代大規(guī)模、多中心的臨床隨機(jī)對(duì)照試驗(yàn)。隨著新的研究資料的不斷收集,會(huì)得出更有說服力的結(jié)論。
綜上所述,剖宮產(chǎn)術(shù)后腹壁子宮內(nèi)膜異位癥的發(fā)生與腹壁切口的選擇關(guān)系密切,橫切口易發(fā)生腹壁子宮內(nèi)膜異位癥。
[參考文獻(xiàn)]
[1]Erkan N,Haciyanli M,Sayhan H.Abdominal wall endometriomas[J].Int J Gynecol Obstet,2005,89(1):59-60.
[2]Bats SA,Zafrani Y,Pautier P,et al.M alignant transformation of abdominal wallendometriosis to clear cell carcinoma:case report and review of the literature[J].Fertil Steril,2008,90(4):e13-e16.
[3]李小毛,段濤,楊慧霞.剖宮產(chǎn)熱點(diǎn)問題解讀[M].北京:人民軍醫(yī)出版社,2010:82-83.
[4]Palatynski A,Gruszczynska J.Endometriosis in surgical scars after cesarean section comparison of the operative methods[J].Ginekol Pol,2001,72(5):313-316.
[5]Blanco RG,Parithivel VS,Shah AK,et al.Abdominal wall endometriomas[J].Am J Surg,2003,185(6):596-598.
[6]Gaunt A,Heard G,McKain ES,et al.Caesarean scar endometrioma[J].Lancet,2004,364(9431):368.
[7]Olejek A,Zamlynski J,Podwinska E,et al.Abdominal wall endometrioma in the cesarean section scar[J].Ginekol Pol,2008,79(9):612-615.
[8]Francica G,Scarano F,Scotti L,et al.Endometriomas in the region of a scar fromCesarean section:sonographic appearance and clinical presentation vary with the size of the lesion[J].Clin Ultrasound,2009,37(4):215-220.
[9]Chang Y,Tsai E M,Long CY,et al.Abdominal wall endometriomas[J].Reprod Med,2009,54(3):155-159.
[10]Pathan ZA,Dinesh U,Rao R.Scar endometriosis[J].J Cytol,2010,27(3):106-108.
[11]Ozel L,Saqiroqlu J,Unal A,et al.Abdominal wall endometriosis in the cesarean section surgical scar:a potential diagnostic pitfall[J].J Obstet Gynaecol Res,2012,38(3):526-530.
[12]Papavramidis TS,Sapalidis K,Michalopoulos N,et al.Spontaneous abdominal wall endometriosis:a case report[J].Acta Chir Belg,2009,109(6):778-781.
[13]Omranipour R,Najafi M.Papillary serous carcinoma arising in abdominal wall endometriosis treated with neoadjuvant chemotherapy and surgery[J].Fertil Steril,2010,93(4):1347-1348.
[14]Teng C C,Yang H M,Chen K F,et al.Abdominal wall endometriosis:An overlooked but possibly preventable complication[J].Taiwanese J Obstet Gynecol,2008,47(1):42-48.
[15]Mistrangelo M,Gilbo N,Cassoni P,et al.Surgical scar endometriosis[J].Surg Today,2013.[Epub ahead of print]
[16]Pikoulis E,Karavokiros J,Veltsista K,et al.Abdominal scar endometriosis after caesarean section:report of five cases[J].West lndian Med J,2011,60(3):351-353.
[17]郎景和.子宮內(nèi)膜異位癥研究的任務(wù)與展望(之一)[J].中華婦產(chǎn)科雜志,2006,41(5):289-290.
[18]Francica G.Reliable clinical and sonographic findings in the diagnosis of abdomi- nal wall endometriosis near cesarean section scar[J].World J Radiol,2012,4(4):135-140.
(收稿日期:2014-03-26本文編輯:郭靜娟)significant differences between transverse incision group and vertical incision group of the incidence rate of abdominal wall endometriosis[combined odds ratio (OR) was 1.42 with 95%CI was (1.10,1.85),Z=2.65,P=0.008].Funnel plot analysis was used to the publication bias of the including studies,basic symmetrical inverted funnel. Conclusion There is a close relationship between the occurrence of abdominal wall endometriosis and the choice of incision of abdominal wall,in which are mostly transverse incision.
[Key words] Cesarean incision;Endometriosis;Evidence-based medicine
本研究資料統(tǒng)計(jì)結(jié)果表明,橫切口更易發(fā)生腹壁子宮內(nèi)膜異位癥,剖宮產(chǎn)時(shí)采用腹壁縱切口手術(shù)更為理想。現(xiàn)在絕大多數(shù)產(chǎn)婦在選擇剖宮產(chǎn)時(shí)仍然傾向于橫切口,雖然橫切口在術(shù)后愈合的過程中形成的瘢痕相對(duì)小且隱蔽,具有美觀、不易發(fā)生傷口裂開和腹壁切口疝、疼痛輕、哺乳舒適等優(yōu)點(diǎn)[15],但是缺點(diǎn)也顯而易見:①手術(shù)時(shí)間長,對(duì)麻醉要求高,增加了麻醉風(fēng)險(xiǎn);②延長切口受限,術(shù)野不易充分暴露,不利于廣泛探查,術(shù)后粘連發(fā)生率高;③腹壁神經(jīng)、腹直肌離斷發(fā)生機(jī)會(huì)多。與橫切口相比,縱切口的優(yōu)點(diǎn)就更為突出:①切開縫合迅速、手術(shù)時(shí)間短、出血少、組織創(chuàng)傷小、手術(shù)視野暴露充分、便于切口延長,被列為包括剖宮產(chǎn)手術(shù)在內(nèi)的腹部各種手術(shù)的首選和最常用切口;②有利于迅速取出胎兒,適合于特殊情況和急癥的處理;③腹壁組織發(fā)生粘連的概率較低,有利于第二次妊娠[16];④遠(yuǎn)期并發(fā)癥發(fā)生率低[17]。
積極預(yù)防剖宮產(chǎn)術(shù)后腹壁子宮內(nèi)膜異位癥的發(fā)生,應(yīng)做到:①嚴(yán)格掌握剖宮產(chǎn)手術(shù)指征,對(duì)無指征者盡可能選擇經(jīng)陰道分娩[18];②加強(qiáng)圍生期管理,減少難產(chǎn)發(fā)生率,降低剖宮產(chǎn)率[18];③實(shí)施剖宮產(chǎn)過程中,充分保護(hù)切口,手取胎盤、胎膜后及時(shí)更換無菌手套,避免反復(fù)以紗布擦拭宮腔,子宮切口縫合時(shí)要避免縫合蛻膜,腹壁切口縫合前充分沖洗切口死角;④根據(jù)本循證醫(yī)學(xué)研究結(jié)果提示剖宮產(chǎn)腹壁選擇縱行切口更為宜。
本研究結(jié)果初步表明,剖宮產(chǎn)腹壁切口與腹壁子宮內(nèi)膜異位癥關(guān)系密切,雖然經(jīng)Meta分析,但也是在現(xiàn)有資料的基礎(chǔ)上進(jìn)行的,這無法取代大規(guī)模、多中心的臨床隨機(jī)對(duì)照試驗(yàn)。隨著新的研究資料的不斷收集,會(huì)得出更有說服力的結(jié)論。
綜上所述,剖宮產(chǎn)術(shù)后腹壁子宮內(nèi)膜異位癥的發(fā)生與腹壁切口的選擇關(guān)系密切,橫切口易發(fā)生腹壁子宮內(nèi)膜異位癥。
[參考文獻(xiàn)]
[1]Erkan N,Haciyanli M,Sayhan H.Abdominal wall endometriomas[J].Int J Gynecol Obstet,2005,89(1):59-60.
[2]Bats SA,Zafrani Y,Pautier P,et al.M alignant transformation of abdominal wallendometriosis to clear cell carcinoma:case report and review of the literature[J].Fertil Steril,2008,90(4):e13-e16.
[3]李小毛,段濤,楊慧霞.剖宮產(chǎn)熱點(diǎn)問題解讀[M].北京:人民軍醫(yī)出版社,2010:82-83.
[4]Palatynski A,Gruszczynska J.Endometriosis in surgical scars after cesarean section comparison of the operative methods[J].Ginekol Pol,2001,72(5):313-316.
[5]Blanco RG,Parithivel VS,Shah AK,et al.Abdominal wall endometriomas[J].Am J Surg,2003,185(6):596-598.
[6]Gaunt A,Heard G,McKain ES,et al.Caesarean scar endometrioma[J].Lancet,2004,364(9431):368.
[7]Olejek A,Zamlynski J,Podwinska E,et al.Abdominal wall endometrioma in the cesarean section scar[J].Ginekol Pol,2008,79(9):612-615.
[8]Francica G,Scarano F,Scotti L,et al.Endometriomas in the region of a scar fromCesarean section:sonographic appearance and clinical presentation vary with the size of the lesion[J].Clin Ultrasound,2009,37(4):215-220.
[9]Chang Y,Tsai E M,Long CY,et al.Abdominal wall endometriomas[J].Reprod Med,2009,54(3):155-159.
[10]Pathan ZA,Dinesh U,Rao R.Scar endometriosis[J].J Cytol,2010,27(3):106-108.
[11]Ozel L,Saqiroqlu J,Unal A,et al.Abdominal wall endometriosis in the cesarean section surgical scar:a potential diagnostic pitfall[J].J Obstet Gynaecol Res,2012,38(3):526-530.
[12]Papavramidis TS,Sapalidis K,Michalopoulos N,et al.Spontaneous abdominal wall endometriosis:a case report[J].Acta Chir Belg,2009,109(6):778-781.
[13]Omranipour R,Najafi M.Papillary serous carcinoma arising in abdominal wall endometriosis treated with neoadjuvant chemotherapy and surgery[J].Fertil Steril,2010,93(4):1347-1348.
[14]Teng C C,Yang H M,Chen K F,et al.Abdominal wall endometriosis:An overlooked but possibly preventable complication[J].Taiwanese J Obstet Gynecol,2008,47(1):42-48.
[15]Mistrangelo M,Gilbo N,Cassoni P,et al.Surgical scar endometriosis[J].Surg Today,2013.[Epub ahead of print]
[16]Pikoulis E,Karavokiros J,Veltsista K,et al.Abdominal scar endometriosis after caesarean section:report of five cases[J].West lndian Med J,2011,60(3):351-353.
[17]郎景和.子宮內(nèi)膜異位癥研究的任務(wù)與展望(之一)[J].中華婦產(chǎn)科雜志,2006,41(5):289-290.
[18]Francica G.Reliable clinical and sonographic findings in the diagnosis of abdomi- nal wall endometriosis near cesarean section scar[J].World J Radiol,2012,4(4):135-140.
(收稿日期:2014-03-26本文編輯:郭靜娟)significant differences between transverse incision group and vertical incision group of the incidence rate of abdominal wall endometriosis[combined odds ratio (OR) was 1.42 with 95%CI was (1.10,1.85),Z=2.65,P=0.008].Funnel plot analysis was used to the publication bias of the including studies,basic symmetrical inverted funnel. Conclusion There is a close relationship between the occurrence of abdominal wall endometriosis and the choice of incision of abdominal wall,in which are mostly transverse incision.
[Key words] Cesarean incision;Endometriosis;Evidence-based medicine