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絕經(jīng)泌尿生殖綜合征的非激素治療進(jìn)展

2024-11-25 00:00:00高波孫偉范曉光段鯤
國際老年醫(yī)學(xué)雜志 2024年6期
關(guān)鍵詞:激光治療

[摘 要]絕經(jīng)泌尿生殖綜合征(GSM)是指圍絕經(jīng)期和絕經(jīng)后女性雌激素水平顯著下降,產(chǎn)生外陰陰道癥狀、泌尿系統(tǒng)癥狀以及性生活障礙等的一類慢性進(jìn)展性疾病,隨著年齡增加和絕經(jīng)時間延長而加重,嚴(yán)重影響中老年女性的生活質(zhì)量。目前,絕經(jīng)激素治療是最有效的療法,但長期應(yīng)用激素替代治療并非適合所有女性。本文將對GSM的非激素治療的進(jìn)展進(jìn)行綜述,為臨床醫(yī)生提供治療策略。

[關(guān)鍵詞]絕經(jīng)泌尿生殖綜合征;非激素藥物治療;激光治療;盆底肌肉訓(xùn)練

doi:10.3969/j.issn.1674-7593.2024.06.020

Non-hormonal Treatment for Genitourinary Syndrome of Menopause

Gao bo1, Sun Wei1,F(xiàn)an Xiaoguang1, Duan Kun2

*1Southern Medical District of Chinese PLA General Hospital, Beijing 100161;2Department of Gynecology,Hospital of Capital Normal University,Beijing 100037

*Corresponding author:Duan Kun,email: 792927288@qq.com" [Abstract] Genitourinary syndrome of menopause(GSM) is a symptom of external genitalia, urinary system, and sexual disorders in perimenopausal and postmenopausal women. This is a chronic progressive disease which becomes increasingly with age and prolonged menopause, seriously affects the quality of life of middle-aged and elderly women. For GSM patients, menopause hormone therapy (MHT) is the most effective measure,but long-term use of MHT is not suitable for all women. This article will review the non-hormone treatment of GSM and provide treatment strategies for doctors.

[Key words] Genitourinary syndrome of menopause; Non-hormone medicine treatment;Laser therapy;Pelvic floor muscle training

絕經(jīng)泌尿生殖綜合征(Genitourinary syndrome of menopause,GSM)是由于女性卵巢功能衰竭、絕經(jīng)后雌激素水平降低,引起的女性生殖道萎縮、泌尿道癥狀及性功能障礙。隨著全球女性壽命延長,超過一半的絕經(jīng)后女性會出現(xiàn)上述癥狀,GSM癥狀隨著女性年齡增加和絕經(jīng)時間延長而加重,嚴(yán)重影響絕經(jīng)過渡期和大多數(shù)絕經(jīng)后婦女的健康和生活質(zhì)量[1。一項(xiàng)來自我國31個省份4 063例圍絕經(jīng)期和絕經(jīng)后女性調(diào)查顯示,泌尿生殖系統(tǒng)癥狀是最常見的主訴[2。北京市某社區(qū)中老年婦女生殖健康調(diào)查顯示,GSM在老年女性中很普遍,生殖道萎縮患病率為34.8%,有泌尿道癥狀者占47.5%[3

絕經(jīng)激素治療(Menopause hormone therapy,MHT)的有效性已被循證醫(yī)學(xué)證實(shí)。MHT治療除了緩解絕經(jīng)相關(guān)癥狀,還可以預(yù)防絕經(jīng)帶來的老年退化性問題。MHT是目前治療GSM的最佳方案,同樣,GSM也是MHT的最佳適應(yīng)證[4。但長期使用激素替代治療并非適合所有婦女,激素治療與腫瘤、心血管疾病、靜脈血栓栓塞的關(guān)系一直處于爭議狀態(tài)[5。GSM是一個需要終身管理的疾病,除了局部和全身激素治療外,也可應(yīng)用非激素治療,包括改變生活方式等綜合治療和非激素藥物治療、激光治療、盆底肌肉訓(xùn)練等[6。本文就GSM的非激素治療現(xiàn)狀和研究進(jìn)展作一綜述。

1 綜合治療

綜合療法的實(shí)質(zhì)是絕經(jīng)管理,重點(diǎn)是開展對醫(yī)護(hù)人員的教育和對GSM患者的長期管理及宣教。解決許多令人痛苦的泌尿生殖系統(tǒng)癥狀,改善絕經(jīng)后婦女的性健康和生活質(zhì)量[7。 另外,健康的生活方式是幫助GSM患者改善性功能障礙的最重要方法之一[8。

2 非激素藥物治療

2.1 陰道保濕劑和潤滑劑

對于有癌癥病史、無法或不愿接受MHT的女性,除生活方式改變之外,陰道保濕劑、潤滑劑和凝膠是 GSM 的一線治療[9?;谕该髻|(zhì)酸的保濕劑在健康女性和癌癥患者或幸存者中都顯示出有效、安全且耐受性良好的臨床結(jié)果,其強(qiáng)大的水結(jié)合性能提供潤滑和保濕效果,有助于維持尿路和生殖器組織的水合作用和彈性水平??赡苁窃缙诠芾鞧SM相關(guān)癥狀的有效選擇[10。Monurelle生物陰道凝膠含有純化牛初乳,可以有效改善絕經(jīng)后婦女的外陰陰道萎縮(Vulvovaginal atrophy,VVA)癥狀,改善性功能,緩解泌尿系統(tǒng)癥狀和提高生活質(zhì)量[11。一種由蘆薈、沙棘油、18β-甘草酸、透明質(zhì)酸和糖原等成分制成的新型陰道凝膠,也可以有效緩解和安全治療VVA,改善性功能,因?yàn)槭菃我痪植克幬?,患者具有良好的依從?sup>[12。值得注意的是,雖然這些非激素、非處方陰道保濕劑和潤滑劑可以緩解VVA的癥狀,但它們的化學(xué)成分差異大,有些產(chǎn)品的pH值、滲透壓與人體內(nèi)環(huán)境不一致,或應(yīng)用某些添加劑,長期使用會對身體造成有害影響[13。因此,選擇滲透壓和陰道pH值達(dá)到最佳平衡,并且在生理上與天然陰道分泌物最相似的產(chǎn)品,才是絕經(jīng)后女性的最佳選擇[14。

2.2 陰道菌群調(diào)節(jié)劑

GSM女性雌激素分泌逐漸減少、陰道pH值升高,陰道微生物菌群也發(fā)生了改變,如乳酸桿菌水平降低,可影響陰道結(jié)構(gòu)和功能,導(dǎo)致GSM的發(fā)生和發(fā)展[15。絕經(jīng)后女性乳酸桿菌豐度降低并且多樣性顯著增高,具有低乳酸菌相對豐度的獨(dú)特細(xì)菌群落狀態(tài),與VVA相關(guān)[16。乳酸菌代謝產(chǎn)生的乳酸為陰道提供并保持酸性環(huán)境,有助于排除其他病原微生物。使用益生菌治療GSM,可以增加絕經(jīng)后女性生殖道乳酸桿菌豐度,保護(hù)其免受雌激素戒斷引起的GSM[17。乳酸菌與GSM呈負(fù)相關(guān)。未經(jīng)系統(tǒng)治療的GSM患者,其陰道菌群明顯包括幾種厭氧菌,有著嚴(yán)重的GSM癥狀。經(jīng)治療后,陰道微生物多樣性減少,乳酸菌豐度顯著增加,成為優(yōu)勢比例[18。

2.3 選擇性雌激素受體調(diào)節(jié)劑

選擇性雌激素受體調(diào)節(jié)劑,如他莫昔芬、雷洛昔芬等常用于緩解更年期癥狀,但是有發(fā)生子宮內(nèi)膜癌的潛在危險。奧培米芬(Ospemifene)安全性較高,接受奧培米芬治療的女性,基線時子宮內(nèi)膜厚度為2.1~2.3 mm,治療后為2.5~3.2 mm,低于公認(rèn)的臨床閾值4 mm。且未觀察到子宮內(nèi)膜癌或增生病例,治療長達(dá)52周后未觀察到子宮內(nèi)膜非典型增生或癌癥息肉[19。奧培米芬同時有激動和拮抗雌激素受體的作用,且具有組織特異性,作為第一種用于性交困難的非激素藥物,用于緩解圍絕經(jīng)期女性性交痛,可以改善陰道成熟指數(shù)、降低陰道pH 值、增加潤滑度[20。此外,使用60 mg的奧培米芬治療GSM婦女的Ⅱ期、Ⅲ期研究結(jié)果表明,奧培米芬對于患者的骨骼、心血管系統(tǒng)以及乳房的總體安全性較高[21。

3 激光治療

由于CO2激光具有低能量、微創(chuàng)優(yōu)勢,除了廣泛應(yīng)用于皮膚科美容領(lǐng)域之外,近年已引入到陰道和外陰疾病的微創(chuàng)治療中[22。點(diǎn)陣式CO2激光治療用于絕經(jīng)后VVA的治療,簡單方便,無須麻醉和鎮(zhèn)痛,門診即可進(jìn)行操作[23。且近期療效顯著,能夠有效改善陰道灼熱、干燥、性交痛,癥狀的改善與陰道局部雌激素治療相當(dāng),療效至少持續(xù)6~12個月[24。陰道灼熱、瘙癢、排尿困難評分顯著降低,欲望、喚醒、性高潮、滿意度顯著提高25。與外用雌激素相比, CO2點(diǎn)陣激光治療GSM之后,激光組陰道雌激素和孕激素受體水平增加并維持,激光治療的結(jié)果與外用激素黃金標(biāo)準(zhǔn)相似[26。一項(xiàng)對1 152例使用CO2激光治療患者的調(diào)查表明,療效確切,無重大不良事件[27。

除CO2激光外,鉺激光也可以有效改善陰道干燥、痛、瘙癢、灼熱等癥狀,且對女性性功能和對性生活的總體滿意度有顯著改善,治療后未發(fā)現(xiàn)長期并發(fā)癥[28。

4 盆底肌肉訓(xùn)練

隨著女性年齡增長,脊柱生理彎曲發(fā)生改變,絕經(jīng)后女性脂肪再分布,出現(xiàn)腹型肥胖,導(dǎo)致盆腔支持結(jié)構(gòu)退化,盆底肌力下降,對盆腔臟器的支撐作用減弱。雌激素和孕激素受體廣泛存在于整個骨盆底,絕經(jīng)前后雌、孕激素的下降不可避免地會影響骨盆底的功能[29。盆底肌肉訓(xùn)練是一種無副作用的低成本保守治療,教育和鼓勵患者通過自主收縮和舒張盆底肌肉群,可以有效增強(qiáng)盆底肌力,改善外陰陰道組織的血液流動和彈性。盆底肌肉訓(xùn)練不僅可以單獨(dú)使用,也可與其他治療方式聯(lián)合使用,可以有效減輕 GSM 的體征和癥狀[30。對GSM患者進(jìn)行盆底肌肉訓(xùn)練12周后利用陰道健康評估量表、萎縮癥狀問卷進(jìn)行調(diào)查,盆底肌肉訓(xùn)練可顯著改善VVA/GSM癥狀和體征,改善生活質(zhì)量,對性功能產(chǎn)生積極影響[31。為進(jìn)一步發(fā)現(xiàn)盆底肌肉訓(xùn)練改善GSM的作用機(jī)制,使用彩色多普勒超聲,在靜息時和盆底肌肉收縮后測量并比較背側(cè)動脈的收縮期峰值速度、平均最大速度和搏動指數(shù),發(fā)現(xiàn)盆底肌肉訓(xùn)練顯著改善了兩條動脈的血流參數(shù),顯著提高了宮縮后盆底肌松弛的速度。盆底肌肉訓(xùn)練改善了GSM婦女的外陰陰道組織的血流量、盆底肌肉松弛能力和外陰陰道組織彈性,從而達(dá)到治療目的。

5 小結(jié)

GSM 是不可治愈的慢性進(jìn)展性疾病,患者需要終身接受教育和管理。MHT是目前能夠全面解決絕經(jīng)相關(guān)問題的方案,但因患者的依從性或存在MHT禁忌,應(yīng)考慮使用非激素治療方案。非激素藥物治療、激光治療和盆底肌肉訓(xùn)練也可以有效改善 GSM 的癥狀和體征。

參考文獻(xiàn)

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(2023-09-03收稿)

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