王麗霞+熊礦輝+黃依馨+劉青華
[摘要] 目的 探討垂體后葉素在剖宮產(chǎn)術(shù)中子宮肌瘤剝除術(shù)中的應(yīng)用效果。 方法 研究對(duì)象選取2013年10月~2016年10月間我院收治的剖宮產(chǎn)術(shù)中同時(shí)行子宮肌瘤剝除術(shù)的患者100例,采用數(shù)字表法隨機(jī)分為觀察組和對(duì)照組各50例,觀察組患者采用垂體后葉素進(jìn)行子宮肌層注射,對(duì)照組患者采用縮宮素進(jìn)行子宮肌層注射,對(duì)比兩組患者的手術(shù)時(shí)間、術(shù)中出血量、術(shù)后出血量、住院時(shí)間。 結(jié)果 兩組患者均順利完成手術(shù),觀察組患者的手術(shù)時(shí)間、術(shù)中出血量、術(shù)后出血量、住院時(shí)間均顯著低于對(duì)照組,差異有統(tǒng)計(jì)學(xué)意義(P<0.05);兩組患者術(shù)后均未出現(xiàn)明顯的不良反應(yīng);兩組患者的妊娠結(jié)局比較,觀察組不良妊娠結(jié)局發(fā)生率為6.0%,對(duì)照組不良妊娠結(jié)局發(fā)生率為4.0%。兩組比較,差異無統(tǒng)計(jì)學(xué)意義(P>0.05)。 結(jié)論 垂體后葉素應(yīng)用于剖宮產(chǎn)術(shù)中子宮肌瘤剝除術(shù)療效確切,與縮宮素相比能夠更好地減少術(shù)中及術(shù)后出血,縮短手術(shù)時(shí)間,安全性較好,值得在臨床上推廣和應(yīng)用。
[關(guān)鍵詞] 剖宮產(chǎn);子宮肌瘤剝除術(shù);垂體后葉素;縮宮素
[中圖分類號(hào)] R737.33 [文獻(xiàn)標(biāo)識(shí)碼] B [文章編號(hào)] 1673-9701(2017)11-0043-03
Evaluation of the application of pituitrin in the hysteromyomectomy for cesarean section
WANG Lixia1 XIONG Kuanghui1 HUANG Yixin2 LIU Qinghua3
1.Department of Obstetrics and Gynecology, Zhejiang Medical and Health Group Hangzhou Hospital, Hangzhou 310022, China; 2.Department of Respiratory Medicine,Taizhou Hospital in Zhejiang Province, Linhai 317000, China; 3.Department of Anesthesiology, Duchang Maternal and Child Health Hospital in Jiangxi Province, Duchang 332600, China
[Abstract] Objective To explore the effect of pituitrin on the hysteromyomectomy during cesarean section. Methods A total of 100 patients who underwent hysteromyomectomy during cesarean section from October 2013 to October 2016 were randomly divided into observation group (n=50) and control group (n=50). The observation group was treated with pituitrin via uterine muscle injection, and the control group was treated with oxytocin via uterine muscle injection. The operation time, intraoperative blood loss, postoperative bleeding volume and hospitalization time between the two groups were compared. Results The surgery of patients in both groups were successfully completed. The operation time, intraoperative blood loss, postoperative bleeding volume and hospitalization time in the observation group were significantly lower than those in the control group, and the difference was significant(P<0.05). There were no significant adverse reactions in the two groups after operation. The incidence of adverse pregnancy outcomes was 6.0% in the observation group and 4.0% in the control group, there was no significant difference between the two groups(P>0.05). Conclusion The pituitrin has exact effect in the hysteromyomectomy during cesarean section, and can reduce the intraoperative and postoperative bleeding, which can shorten the operation time and has a good safety. The pituitrin is worthy of clinical promotion and application.
[Key words] Cesarean section; Hysteromyomectomy; Pituitrin; Oxytocin
子宮平滑肌瘤也被稱為子宮肌瘤,是女性常見的一種生殖系統(tǒng)腫瘤,多數(shù)患者無明顯癥狀,少數(shù)可在腹部觸及,表現(xiàn)出不同程度的壓迫癥狀或陰道出血,如發(fā)生蒂扭轉(zhuǎn)則會(huì)引起疼痛,以多發(fā)性子宮肌瘤更為常見[1,2]。子宮肌瘤可廣泛見于20歲以上女性,40~50歲為高發(fā)年齡層,目前子宮肌瘤的治療主要以手術(shù)切除為主[3,4]。妊娠期的子宮肌瘤是常見的一種妊娠合并癥,隨著高齡產(chǎn)婦的增多,剖宮產(chǎn)率逐漸上升,對(duì)于合并子宮肌瘤的剖宮產(chǎn)患者同時(shí)行子宮肌瘤剝除術(shù)已經(jīng)逐漸獲得了臨床的認(rèn)可[5]。但由于同時(shí)行子宮肌瘤剝除術(shù)可能會(huì)導(dǎo)致患者出血量增加,增加了多種并發(fā)癥發(fā)生的風(fēng)險(xiǎn),因此,術(shù)中用藥控制子宮收縮是十分必要的[6]。本文對(duì)垂體后葉素和縮宮素兩種藥物在剖宮產(chǎn)術(shù)中子宮肌瘤剝除術(shù)中的應(yīng)用效果進(jìn)行對(duì)比研究,現(xiàn)報(bào)道如下。
1 資料與方法
1.1 一般資料
研究對(duì)象選取2013年10月~2016年10月間我院收治的剖宮產(chǎn)術(shù)中同時(shí)行子宮肌瘤剝除術(shù)的100例患者,納入標(biāo)準(zhǔn):(1)符合手術(shù)指征;(2)年齡18~50歲;(3)知情同意。排除標(biāo)準(zhǔn):(1)合并血液疾??;(2)合并高血壓或心肺功能不全者;(3)合并嚴(yán)重內(nèi)科疾病。入院后采用數(shù)字表法隨機(jī)分為觀察組和對(duì)照組各50例,觀察組患者年齡27~46歲,平均(34.5±3.1)歲,孕周38~42周,平均(40.9±0.6)周,初產(chǎn)婦42例,經(jīng)產(chǎn)婦8例;對(duì)照組患者年齡26~44歲,平均(34.2±3.5)歲,孕周38~42周,平均(40.7±0.8)周,初產(chǎn)婦43例,經(jīng)產(chǎn)婦7例。兩組患者在一般資料方面比較,無顯著差異(P>0.05)。
1.2 方法
兩組患者均在腰硬聯(lián)合麻醉下進(jìn)行手術(shù),先常規(guī)行剖宮產(chǎn)手術(shù),娩出胎兒及胎盤后將剖宮產(chǎn)術(shù)切口縫合。完成剖宮產(chǎn)手術(shù)后在子宮肌層注射縮宮素(成都市海通藥業(yè)有限公司,國(guó)藥準(zhǔn)字:H51021983)20 U,觀察組將子宮牽出腹腔外,直視下了解瘤體的位置、大小及深度,用6 U垂體后葉素(深圳翰宇藥業(yè)股份有限公司,國(guó)藥準(zhǔn)字:H20064093)加入5 mL的生理鹽水進(jìn)行稀釋,在子宮肌瘤根部及周圍子宮肌層進(jìn)行注射,多發(fā)性子宮肌瘤患者或瘤體較大的患者可適當(dāng)增加垂體后葉素用量,但最大不應(yīng)超過18 U,之后切開假包膜剝除瘤體,用可吸收線縫合瘤腔,連續(xù)縫合漿膜層及肌層切口,密切觀察,不留死腔;對(duì)照組患者基本處理同觀察組,但子宮牽出體外后不再應(yīng)用垂體后葉素。
1.3 觀察指標(biāo)
統(tǒng)計(jì)對(duì)比兩組患者的手術(shù)時(shí)間、術(shù)中出血量、術(shù)后出血量、住院時(shí)間。手術(shù)時(shí)間自切皮時(shí)至縫合完成。術(shù)中出血量統(tǒng)計(jì)為胎兒娩出且吸盡羊水后,采用紗布稱重法進(jìn)行計(jì)算。術(shù)后出血量為兩組產(chǎn)婦在返回產(chǎn)房后產(chǎn)婦墊上的出血量,同樣采用稱重法進(jìn)行計(jì)算。統(tǒng)計(jì)對(duì)比兩組患者的手術(shù)并發(fā)癥情況及不良妊娠結(jié)局情況。
1.4 統(tǒng)計(jì)學(xué)方法
采用SPSS 20.0進(jìn)行數(shù)據(jù)處理,計(jì)量資料用(x±s)表示,組間對(duì)比采用t檢驗(yàn),計(jì)數(shù)資料用%表示,組間對(duì)比用χ2檢驗(yàn),P<0.05為差異有統(tǒng)計(jì)學(xué)意義。
2 結(jié)果
2.1兩組患者手術(shù)時(shí)間、術(shù)中出血量、術(shù)后出血量、住院時(shí)間比較
兩組患者均順利完成手術(shù),觀察組患者的手術(shù)時(shí)間、術(shù)中出血量、術(shù)后出血量、住院時(shí)間均顯著低于對(duì)照組,差異有統(tǒng)計(jì)學(xué)意義(P<0.05)。
2.2 手術(shù)并發(fā)癥
兩組患者術(shù)后均未出現(xiàn)明顯并發(fā)癥。
2.3 妊娠結(jié)局
兩組患者的妊娠結(jié)局比較,觀察組患者中胎盤早剝2例,胎兒窘迫1例,不良妊娠結(jié)局發(fā)生率為6.0%;對(duì)照組患者胎盤早剝2例,不良妊娠結(jié)局發(fā)生率為4.0%。兩組比較,差異無統(tǒng)計(jì)學(xué)意義(P>0.05)。
3 討論
子宮肌瘤剝除術(shù)分開進(jìn)行的主要原因即考慮到可能會(huì)造成術(shù)中大量出血和其他并發(fā)癥[7],分期手術(shù)能夠有效避免這一點(diǎn),但分期手術(shù)會(huì)給患者造成二次創(chuàng)傷,嚴(yán)重影響患者的治療體驗(yàn)[8]。而隨著研究的深入,大量循證醫(yī)學(xué)數(shù)據(jù)證明[9,10],子宮肌瘤會(huì)影響正常分娩,且術(shù)后會(huì)引發(fā)出血及感染等現(xiàn)象,而且二次手術(shù)給患者造成的心理壓力也可能增加多種并發(fā)癥發(fā)生的概率。子宮肌瘤剝除術(shù)與剖宮產(chǎn)同時(shí)進(jìn)行,往往存在較大的難點(diǎn)和危險(xiǎn)性,最大的問題體現(xiàn)在孕婦子宮變軟,而且存在較多的血管,如果肌瘤剝除的切面過大,會(huì)造成大量出血,從而也需要進(jìn)行多次縫合,而且往往還會(huì)在針眼遺留出血點(diǎn)。隨著醫(yī)療技術(shù)的進(jìn)步,剖宮產(chǎn)術(shù)中同時(shí)行子宮肌瘤剝除術(shù)已經(jīng)普遍被臨床接受,但如何控制子宮變軟、瘤體切面過大造成的術(shù)中、術(shù)后出血是提高手術(shù)質(zhì)量的重點(diǎn)。此外,子宮肌瘤剝除術(shù),其優(yōu)點(diǎn)是能保留子宮,不影響卵巢的正常功能,并且對(duì)有生育要求者有妊娠的機(jī)會(huì)。因此,對(duì)年輕婦女等行子宮肌瘤剝除術(shù)對(duì)保留生育功能及月經(jīng)功能恢復(fù)是非常有價(jià)值的。正確選擇適應(yīng)證及合理選擇止血藥是減少出血的關(guān)鍵,可影響子宮肌瘤剔除術(shù)的成功率,其中局部用藥止血效果強(qiáng)于靜脈用藥。
縮宮素是臨床應(yīng)用最多的一種宮縮劑,屬于多肽類藥物,能夠刺激子宮平滑肌收縮,模擬和促進(jìn)子宮收縮作用,導(dǎo)致宮頸擴(kuò)張,子宮對(duì)于此類藥物的敏感性逐漸增強(qiáng),在足月時(shí)達(dá)到高峰,縮宮素還能夠促進(jìn)乳汁分泌,是目前剖宮產(chǎn)術(shù)中促進(jìn)宮縮、減少出血的主要藥物[11,12]。由于縮宮素的特點(diǎn)影響,該藥物對(duì)妊娠期的子宮促宮縮作用較強(qiáng),但非妊娠期手術(shù)效果不佳。有研究認(rèn)為縮宮素作為人工合成激素不存在加壓素,在手術(shù)出血控制上仍有一定的弊端[13]。垂體后葉素是從豬、牛等動(dòng)物垂體后葉中提取的一種水溶性成分,具有等量的縮宮素和加壓素,不但具有縮宮素的一系列優(yōu)勢(shì),同時(shí)還能夠通過加壓素的作用起到更好的收縮血管效果,尤其是能夠促進(jìn)子宮的微血管和小靜脈收縮[14]。相關(guān)研究表明[15-17],子宮血管平滑肌細(xì)胞膜上含有大量的加壓素受體,各時(shí)期的子宮血管對(duì)于加壓素均較為敏感,外源性的加壓素能夠促進(jìn)子宮平滑肌收縮。此外,垂體后葉素能夠通過鳥苷酸調(diào)節(jié)增強(qiáng)磷脂酶C的活性,促進(jìn)三磷酸肌醇的生成,釋放更多的鈣離子,提高縮宮素的敏感性,從而進(jìn)一步提高子宮平滑肌細(xì)胞的收縮[18-20]。因此,垂體后葉素進(jìn)行子宮肌層注射不但能夠興奮子宮平滑肌,同時(shí)能夠促進(jìn)微血管和小靜脈的收縮,減少術(shù)中及術(shù)后出血,改善手術(shù)視野。相關(guān)研究顯示,垂體后葉素的代謝速度較快,半衰期短,在體內(nèi)維持時(shí)間在30 min以內(nèi),局部用藥能夠有效提高其臨床效果且不會(huì)增加不良反應(yīng),安全性較好[21-26]?;颊叩闹饕涣挤磻?yīng)為術(shù)中出現(xiàn)暫時(shí)性血壓升高和心率過快,分析原因主要是由于垂體后葉素具有一定的促血管收縮作用,患者并無明顯不適感,無需做特殊處理。
從本次研究來看,觀察組患者的手術(shù)時(shí)間、術(shù)中出血量、術(shù)后出血量、住院時(shí)間均顯著低于對(duì)照組,說明垂體后葉素子宮肌層注射能夠有效減少術(shù)中出血,改善手術(shù)視野,從而縮短手術(shù)時(shí)間,且具有較好的血管封閉效果,從而控制了患者的術(shù)后出血,縮短了住院時(shí)間。有文獻(xiàn)研究顯示垂體后葉素應(yīng)用后患者會(huì)出現(xiàn)一過性的血壓升高及心率加速現(xiàn)象,但主要是由于血管收縮引起,患者也并無明顯不適反應(yīng),針對(duì)此本次研究中專門進(jìn)行了相關(guān)不良反應(yīng)的監(jiān)測(cè),結(jié)果表明本次研究?jī)山M患者術(shù)中術(shù)后均未發(fā)生明顯的手術(shù)、藥物相關(guān)并發(fā)癥,考慮可能是由于局部注射給藥的方式有效避免了垂體后葉素進(jìn)入靜脈引起的全身性反應(yīng)。兩組患者的妊娠結(jié)局比較,觀察組患者中胎盤早剝2例,胎兒窘迫1例,不良妊娠結(jié)局發(fā)生率為6.0%;對(duì)照組患者胎盤早剝2例,不良妊娠結(jié)局發(fā)生率為4.0%,兩組比較,差異無統(tǒng)計(jì)學(xué)意義(P>0.05),說明兩種治療方案用于剖宮產(chǎn)術(shù)中行子宮肌瘤剝除術(shù)的安全性均較好,同時(shí)不會(huì)對(duì)妊娠結(jié)局造成不良影響。
綜上所述,垂體后葉素應(yīng)用于剖宮產(chǎn)術(shù)中子宮肌瘤剝除術(shù)療效確切,與縮宮素相比能夠更好地減少術(shù)中及術(shù)后出血,縮短手術(shù)時(shí)間,安全性較好,值得在臨床上推廣和應(yīng)用。
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(收稿日期:2017-02-13)