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        托特羅定聯(lián)合雌激素治療成年女性膀胱過(guò)度活動(dòng)癥對(duì)患者自由尿流率的影響

        2018-05-23 11:14:20馬光徐輝馬紅亮

        馬光 徐輝 馬紅亮

        [摘要] 目的 探討托特羅定聯(lián)合雌激素治療成年女性膀胱過(guò)度活動(dòng)癥(OAB)對(duì)患者自由尿流率的影響。 方法 選擇2012年9月~2014年9月在承德醫(yī)學(xué)院附屬醫(yī)院泌尿外科、腎臟內(nèi)科和婦科以尿頻、尿急就診的女性O(shè)AB患者144例作為研究對(duì)象,根據(jù)隨機(jī)信封抽簽原則分為對(duì)照組與觀(guān)察組,每組各72例。對(duì)照組給予雌激素治療,觀(guān)察組在對(duì)照組治療的基礎(chǔ)上給予托特羅定治療,兩組均治療3個(gè)月。比較兩組治療后臨床療效、不良反應(yīng)、自由尿流率、夜間排尿次數(shù)及尿急次數(shù)。 結(jié)果 治療后觀(guān)察組總有效率(98.6%)高于對(duì)照組(84.7%),差異有統(tǒng)計(jì)學(xué)意義(P < 0.05)。治療前兩組自由尿流率、夜間排尿次數(shù)與尿急次數(shù)比較,差異均無(wú)統(tǒng)計(jì)學(xué)意義(P > 0.05);治療后兩組自由尿流率均高于治療前,夜間排尿次數(shù)與尿急次數(shù)均低于治療前,且治療后觀(guān)察組上述指標(biāo)改善更加顯著,差異均有統(tǒng)計(jì)學(xué)意義(均P < 0.05)。治療期間觀(guān)察組口干、便秘等不良反應(yīng)發(fā)生率均低于對(duì)照組,但差異無(wú)統(tǒng)計(jì)學(xué)意義(P > 0.05)。 結(jié)論 托特羅定聯(lián)合雌激素治療成年女性O(shè)AB能提高患者的自由尿流率,改善臨床癥狀,提高治療效果,且有很好的安全性,值得臨床推廣應(yīng)用。

        [關(guān)鍵詞] 托特羅定;雌激素;成年女性;膀胱過(guò)度活動(dòng)癥;自由尿流率

        [中圖分類(lèi)號(hào)] R694 [文獻(xiàn)標(biāo)識(shí)碼] A [文章編號(hào)] 1673-7210(2018)03(c)-0049-04

        [Abstract] Objective To investigate the free urine flow rate of tolterodine combined with estrogen in the treatment of adult female patients with overactive bladder (OAB). Methods From September 2012 to September 2014, 144 cases of OAB patients with frequent micturition and urgency treated in the Department of Urology, Nephrology and Gynecology of Affiliated Hospital of Chengde Medical College were selected as the research object and divided into the observation group and the control group accorded to the random draw envelope principle, with 72 cases in each group. The control group was given estrogen therapy, while the observation group was given tolterodine combined with estrogen. Both groups were treated for 3 months. The therapeutic effects, adverse reactions, the free urine flow rate, frequency of urination and urgency at night between the two groups were compared. Results After treatment, the total effective rate in the observation group (98.6%) was higher than that of control group (84.7%), with statistically significant difference (P < 0.05). Before treatment, there were no statistically significant differences between the two groups in the free urine flow rate, frequency of urination and urgency at night (P > 0.05). After treatment, the free urine flow rate in both groups were all higher than those of before treatment, the symptoms of frequency of urination and urgency at night in both groups were lower than those of before treatment, and the indicators above in the observation group improved much more remarkably, with statistically significant differences (all P < 0.05). During the treatment, the incidence of adverse reactions such as dry mouth and constipation in the observation group were lower than those of control group, but with no significant differences (P > 0.05). Conclusion Tolterodine combined with estrogen in the treatment of adult female patients with OAB can increase the free urine flow rate, improve the clinical symptoms, promote the curative effect and has good security. It is worthy of clinical promotion and application.

        [Key words] Tolterodine; Estrogen; Adult female; Overactive bladder; Urine flow rate

        膀胱過(guò)度活動(dòng)癥(overactive bladder,OAB)是一種以尿急癥狀為特征的征候群,主要發(fā)病于成年女性,常伴有尿頻和夜尿癥狀[1-2]。OAB具體病因還未明確,尿動(dòng)力學(xué)分析為逼尿肌過(guò)度活動(dòng)和自由尿流率明顯異常,從而導(dǎo)致排尿功能性障礙[3-4]。OAB的病因復(fù)雜,目前國(guó)內(nèi)基于ICS最新定義的OAB標(biāo)準(zhǔn)確定的OAB在不同年齡和性別的人群中的發(fā)生率報(bào)道很少[5]。隨著人們生活水平的提高,人們對(duì)生活質(zhì)量的要求也越來(lái)越高,但OAB嚴(yán)重影響患者的生理和心理健康[6]。臨床上超過(guò)30%的醫(yī)生對(duì)OAB的正確定義、臨床表現(xiàn)、劃分標(biāo)準(zhǔn)未能重視和掌握[7]。OAB的主要治療藥物包括雌激素、α1受體阻滯劑、競(jìng)爭(zhēng)性M受體拮抗劑等[8]。在前列腺基質(zhì)、膀胱頸和后尿道平滑肌存在的腎上腺素能受體主要為α1受體,阻斷α1受體能使前列腺及膀胱頸和后尿道平滑肌松弛,可改善OAB患者的臨床癥狀,但是也存在治療失敗的情況[9-10]。雌激素也可降低尿道壓,緩解尿道痙攣,增加膀胱順應(yīng)性。競(jìng)爭(zhēng)性M受體拮抗劑如托特羅定能改善α1受體阻滯劑治療失敗的尿頻等癥狀[11-12]。本文具體探討了托特羅定聯(lián)合雌激素治療成年女性O(shè)AB的效果及對(duì)患者自由尿流率的影響?,F(xiàn)報(bào)道如下:

        1 資料與方法

        1.1 一般資料

        選擇2012年9月~2014年9月在承德醫(yī)學(xué)院附屬醫(yī)院(以下簡(jiǎn)稱(chēng)“我院”)泌尿外科、腎臟內(nèi)科和婦科以尿頻、尿急就診的女性O(shè)AB患者144例作為研究對(duì)象,納入標(biāo)準(zhǔn):①年齡18~60歲;②α1受體阻滯劑治療3個(gè)月無(wú)效;③經(jīng)臨床尿流動(dòng)力學(xué)檢查證實(shí)為OAB;④連續(xù)3 d平均排尿次數(shù)≥8次/24 h,夜間≥2次,每次排尿量<200 mL。排除標(biāo)準(zhǔn):①妊娠與哺乳期婦女;②既往有經(jīng)尿道手術(shù)史者;③合并急性尿路感染者;④合并糖尿病、泌尿生殖道腫瘤者;⑤使用利尿劑者。本研究經(jīng)我院倫理委員會(huì)批準(zhǔn),所有患者對(duì)本研究知情同意并簽署知情同意書(shū)。根據(jù)隨機(jī)信封抽簽原則分為觀(guān)察組與對(duì)照組,每組各72例,兩組患者的病程、前列腺體積等一般資料比較,差異無(wú)統(tǒng)計(jì)學(xué)意義(P > 0.05)。見(jiàn)表1。

        1.2 方法

        對(duì)照組:給予雌激素治療,選擇雌激素乳膏(新疆新姿源生物制藥有限責(zé)任公司)1 mg/次,晚上尿道外口涂抹,1次/d。觀(guān)察組:在對(duì)照組治療的基礎(chǔ)上給予托特羅定口服(成都迪康藥業(yè)有限公司)2 mg/次,2次/d。

        兩組均治療3個(gè)月。

        1.3 觀(guān)察指標(biāo)

        ①療效標(biāo)準(zhǔn)。顯效:臨床癥狀明顯改善,國(guó)際前列腺癥狀評(píng)分(IPSS)減少≥75%;有效:IPSS減少50%~<75%,臨床癥狀有所改善;無(wú)效:未達(dá)到上述標(biāo)準(zhǔn)甚或惡化??傆行?(顯效+有效)例數(shù)/總例數(shù)×100.0%[6]。②自由尿流率。治療前后采用武漢長(zhǎng)峰醫(yī)療器械有限公司的JDNL-Ⅱ多功能尿流計(jì),嚴(yán)格按照尿動(dòng)力學(xué)儀的標(biāo)準(zhǔn)進(jìn)行自由尿流率測(cè)定。自由尿流率是指通過(guò)測(cè)量單位時(shí)間的排尿量來(lái)衡量體外尿流的速度,測(cè)定3次取平均值。③夜間排尿次數(shù)與尿急次數(shù)。治療前后記錄患者夜間排尿次數(shù)與尿急次數(shù)。④不良反應(yīng)。觀(guān)察與記錄兩組治療過(guò)程中的口感、便秘等不良反應(yīng)發(fā)生情況。

        1.4 統(tǒng)計(jì)學(xué)方法

        采用SPSS 17.0對(duì)所得數(shù)據(jù)進(jìn)行統(tǒng)計(jì)學(xué)分析,計(jì)量資料采用均數(shù)±標(biāo)準(zhǔn)差(x±s)表示,組間比較采用t檢驗(yàn),計(jì)數(shù)資料采用百分率表示,組間比較采用χ2檢驗(yàn)。以P < 0.05為差異有統(tǒng)計(jì)學(xué)意義。

        2 結(jié)果

        2.1 兩組治療后總有效率比較

        治療后觀(guān)察組總有效率高于對(duì)照組,差異有統(tǒng)計(jì)學(xué)意義(P < 0.05)。見(jiàn)表2。

        2.2 兩組治療前后自由尿流率比較

        治療前兩組自由尿流率比較,差異無(wú)統(tǒng)計(jì)學(xué)意義(P > 0.05)。治療后兩組自由尿流率均高于治療前,且觀(guān)察組高于對(duì)照組,差異均有統(tǒng)計(jì)學(xué)意義(均P < 0.05)。見(jiàn)表3。

        2.3兩組治療前后夜間排尿次數(shù)與尿急次數(shù)比較

        治療前兩組夜間排尿次數(shù)與尿急次數(shù)比較,差異均無(wú)統(tǒng)計(jì)學(xué)意義(P > 0.05)。治療后兩組夜間排尿次數(shù)與尿急次數(shù)均低于治療前,且觀(guān)察組低于對(duì)照組,差異均有統(tǒng)計(jì)學(xué)意義(均P < 0.05)。見(jiàn)表4。

        2.4 兩組治療期間不良反應(yīng)發(fā)生情況比較

        治療期間觀(guān)察組口干、便秘等不良反應(yīng)發(fā)生率與對(duì)照組比較,差異無(wú)統(tǒng)計(jì)學(xué)意義(P > 0.05)。見(jiàn)表5。

        3 討論

        OAB是一種以尿急癥狀為特征的征候群,全世界大約5千萬(wàn)~1億人患有OAB,美國(guó)的一項(xiàng)調(diào)查顯示,大約16.6% 18歲以上的人患有OAB癥狀,發(fā)病率隨著年齡增長(zhǎng)而增加[13-14]。

        α1受體阻滯劑是目前治療OAB的主要藥物,其通過(guò)降低平滑肌緊張度、阻斷前列腺中的α1腎上腺受體而發(fā)揮治療作用。但是很多患者經(jīng)過(guò)α1受體阻滯劑治療后無(wú)明顯效果,因此,應(yīng)合理選擇其他藥物治療。雌激素可使尿道黏膜、黏膜下血管叢及結(jié)締組織增厚,提高尿道出口阻力,增加尿道長(zhǎng)度及尿道閉合壓,最終緩解泌尿系統(tǒng)癥狀[15]。并且雌激素軟膏可在局部形成一個(gè)高濃度的雌激素環(huán)境,被陰道黏膜吸收,更加有利于改善癥狀[16]。托特羅定是目前臨床應(yīng)用最廣泛的抗膽堿能藥物,能改善α1受體阻滯劑治療失敗所致的夜尿多、尿頻等癥狀的預(yù)后[17]。本研究結(jié)果顯示,治療后觀(guān)察組總有效率高于對(duì)照組,兩組夜間排尿次數(shù)與尿急次數(shù)均低于治療前,且觀(guān)察組明顯低于對(duì)照組,差異有統(tǒng)計(jì)學(xué)意義(P < 0.05)。提示兩者聯(lián)合用藥治療成年女性O(shè)AB能促進(jìn)患者臨床癥狀的改善,提高治療效果。

        OAB雖然不會(huì)對(duì)生命帶來(lái)威脅,但卻給患者的生活質(zhì)量造成嚴(yán)重影響[18]。有研究顯示,特定女性人群中伴急迫性尿失禁OAB的總發(fā)生率為11.8%,其中30歲以下發(fā)生率為9.8%,30歲組發(fā)生率為14.8%,40歲組發(fā)生率為22.1%,50歲組發(fā)生率為23.0%,60歲及以上人群發(fā)生率為30.3%[19]。自由尿流率是反映OAB患者臨床癥狀的一個(gè)重要指標(biāo),主要反映患者的尿道膀胱功能障礙,尿動(dòng)力學(xué)上可表現(xiàn)為逼尿肌反射亢進(jìn)[20]。OAB的發(fā)病機(jī)制為膀胱儲(chǔ)尿神經(jīng)系統(tǒng)活性的抑制和興奮性水平的升高,進(jìn)而導(dǎo)致自由尿流率下降[21-22]。本研究顯示,治療后觀(guān)察組與對(duì)照組的自由尿流率均高于治療前,但觀(guān)察組自由尿流率高于對(duì)照組,差異有統(tǒng)計(jì)學(xué)意義(P < 0.05)。從機(jī)制上分析,特羅定是一種新型強(qiáng)效競(jìng)爭(zhēng)性的M受體拮抗劑,主要作用于膀胱壁和逼尿肌上的M受體,競(jìng)爭(zhēng)性抑制乙酰膽堿與之結(jié)合,能夠明顯減少排尿次數(shù)和尿失禁發(fā)作次數(shù),從而抑制膀胱的不自主收縮,降低逼尿肌收縮力,增加平均排尿量與自由尿流率[23-24]。

        OAB等泌尿疾病既是一種生理疾病,也是一種心理疾病[25]。雖然很多成年女性患者深受OAB的困擾,但OAB的就診率卻十分低,其中一個(gè)重要原因是在長(zhǎng)期藥物治療中存在一些不良反應(yīng)。本研究結(jié)果顯示,治療期間觀(guān)察組的口干、便秘等不良反應(yīng)發(fā)生率與對(duì)照組比較,差異無(wú)統(tǒng)計(jì)學(xué)意義(P > 0.05),提示托特羅定的應(yīng)用具有很好的安全性。

        總之,托特羅定聯(lián)合雌激素治療成年女性O(shè)AB能提高患者的自由尿流率,改善臨床癥狀,促進(jìn)療效的改善,且有很好的安全性,值得臨床推廣應(yīng)用。

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        (收稿日期:2017-11-08 本文編輯:王 娟)

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