劉洪全 梁小莊 黃敏怡
【摘要】 目的:評(píng)價(jià)耳內(nèi)鏡經(jīng)外耳道鼓室成形術(shù)Ⅰ型在鼓膜穿孔修補(bǔ)中的臨床效果。方法:選取2016年10月-2020年6月在本院住院治療的100例鼓膜穿孔患者,按治療方法不同分為研究組和對(duì)照組,每組50例。研究組在耳內(nèi)鏡輔助下經(jīng)外耳道鼓室成形術(shù)Ⅰ型治療,對(duì)照組在顯微鏡輔助下采用鼓室成形術(shù)Ⅰ型治療。比較兩組手術(shù)及住院指標(biāo),包括術(shù)中出血量、手術(shù)時(shí)間、住院時(shí)間及住院費(fèi)用,比較兩組術(shù)前及術(shù)后3個(gè)月氣骨導(dǎo)差與氣導(dǎo)聽閾,比較兩組術(shù)后鼓膜愈合與并發(fā)癥發(fā)生情況。結(jié)果:研究組術(shù)中出血量、手術(shù)時(shí)間、住院時(shí)間及住院費(fèi)用均優(yōu)于對(duì)照組,差異均有統(tǒng)計(jì)學(xué)意義(P<0.05)。術(shù)前,兩組氣骨導(dǎo)差、氣導(dǎo)聽閾比較,差異均無統(tǒng)計(jì)學(xué)意義(P>0.05);術(shù)后3個(gè)月,兩組氣骨導(dǎo)差、氣導(dǎo)聽閾較治療前均明顯降低,且研究組均明顯低于對(duì)照組,差異均有統(tǒng)計(jì)學(xué)意義(P<0.05)。兩組術(shù)后鼓膜愈合率比較,差異有統(tǒng)計(jì)學(xué)意義(P<0.05)。研究組術(shù)后并發(fā)癥發(fā)生率雖低于對(duì)照組,但兩組比較差異無統(tǒng)計(jì)學(xué)意義(P>0.05)。結(jié)論:與傳統(tǒng)顯微鏡下鼓室成形術(shù)相比,耳內(nèi)鏡經(jīng)外耳道鼓室成形術(shù)Ⅰ型治療鼓膜穿孔具有損傷小、住院時(shí)間短、住院費(fèi)用低、聽力改善及鼓膜愈合率高等優(yōu)點(diǎn),值得在臨床上推廣實(shí)施。
【關(guān)鍵詞】 耳內(nèi)鏡 經(jīng)外耳道鼓室成形術(shù) 顯微鏡下鼓室成形術(shù) 鼓膜穿孔
Clinical Study of Type Ⅰ Trans-external Ear Canal Tympanoplasty under Otoendoscopy in the Repair of Tympanic Membrane Perforation/LIU Hongquan, LIANG Xiaozhuang, HUANG Minyi. //Medical Innovation of China, 2021, 18(29): 0-074
[Abstract] Objective: To evaluate the clinical effect of type Ⅰ trans-external ear canal tympanoplasty under otoendoscopy in the repair of tympanic membrane perforation. Method: A total of 100 patients with tympanic membrane perforation who hospitalized in our hospital from October 2016 to June 2020 were selected, they were divided into study group and control group according to different treatment methods, 50 cases in each group. The study group was given type Ⅰ trans-external ear canal tympanoplasty under otoendoscopy, the control group was given type Ⅰ tympanoplasty treatment under microscope. The blood loss during operation, operation time, the length of hospitalization and the hospitalization expenses of two groups were compared, the air bone conduction difference and air conduction hearing threshold of two groups before and 3 months after operation were compared, the healing of tympanic membrane and complications of two groups after operation were compared. Result: The blood loss during operation, operation time, the length of hospitalization and the hospitalization expenses of the study group were better than those of the control group, the differences were statistically significant (P<0.05). Before operation, there were no significant differences in air bone conduction difference and air conduction hearing threshold between two groups (P>0.05); 3 months after operation, the air bone conduction difference and air conduction hearing threshold in two groups were significantly lower than those before treatment, and the study group were significantly lower than those in the control group, the differences were statistically significant (P<0.05). There was significant difference in the healing rate of tympanic membrane between two groups (P<0.05). The incidence of complications in the study group after operation was lower than that in the control group, however, there was no significant difference between two groups (P>0.05). Conclusion: Compared with traditional tympanoplasty under microscope, type Ⅰ trans-external ear canal tympanoplasty under otoendoscopy in the repair of tympanic membrane perforation has the advantages of less damage, lower hospitalization time and hospitalization cost, hearing improvement and higher tympanic membrane healing rate, it is worthy of clinical application promotion and implementation.
[Key words] Otoendoscopy Trans-external ear canal tympanoplasty Tympanoplasty under microscope Tympanic membrane perforation
First-author’s address: Sihui People’s Hospital, Sihui 526200, China
doi:10.3969/j.issn.1674-4985.2021.29.017
鼓膜穿孔是臨床上常見的耳外科疾病之一,穿孔后遷延不愈導(dǎo)致污水、異物、細(xì)菌等進(jìn)入中耳,引起中耳炎反復(fù)發(fā)作,出現(xiàn)反復(fù)流膿、骨質(zhì)破壞、肉芽增生導(dǎo)致鼓室廣泛粘連、硬化灶形成,從而引起患者聽力下降、耳鳴、膽脂瘤形成,嚴(yán)重者甚至出現(xiàn)耳源性顱內(nèi)外并發(fā)癥,因此,針對(duì)鼓膜穿孔患者采取及時(shí)有效的治療對(duì)改善患者預(yù)后至關(guān)重要[1-2]。經(jīng)外耳道鼓室成形術(shù)是治療鼓膜穿孔的有效方法,可根治中耳慢性病變,保留及改善聽力,重新關(guān)閉中耳防護(hù)大門。傳統(tǒng)的顯微鏡下鼓室成形術(shù)存在手術(shù)切口大、術(shù)中視野狹窄容易出現(xiàn)死角、手術(shù)后恢復(fù)周期及住院時(shí)間長等缺點(diǎn),隨著微創(chuàng)技術(shù)的發(fā)展和高清內(nèi)鏡成像技術(shù)的研發(fā),耳內(nèi)鏡經(jīng)外耳道鼓室成形術(shù)得到了迅猛的推廣[3-4]。本研究旨在探討兩種手術(shù)方法在鼓膜穿孔修補(bǔ)術(shù)中的療效及安全性差異,為臨床治療提供參考?,F(xiàn)報(bào)道如下。
1 資料與方法
1.1 一般資料 選取2016年10月-2020年6月本院收治的100例鼓膜穿孔患者作為研究對(duì)象。(1)納入標(biāo)準(zhǔn):①外耳道無狹窄的鼓膜緊張部大穿孔;②經(jīng)顳骨CT檢查排除乳突和/或鼓室內(nèi)占位性病變;③經(jīng)純音測(cè)聽檢查提示聽骨鏈完整;④氣骨導(dǎo)差低于40 dB,鼓膜貼補(bǔ)試驗(yàn)陽性[5]。(2)排除標(biāo)準(zhǔn):①鼓室內(nèi)感染,有膿性分泌物;②合并上呼吸道感染;③乳突和/或鼓室內(nèi)占位性病變。按治療方法不同分為研究組和對(duì)照組,每組50例。本課題經(jīng)醫(yī)院倫理委員會(huì)審查通過,患者及家屬均簽訂知情同意書。
1.2 方法
1.2.1 研究組 采用耳內(nèi)鏡經(jīng)外耳道鼓室成形術(shù)Ⅰ型(自體軟骨膜修補(bǔ))進(jìn)行治療。全麻,消毒鋪巾,連接耳內(nèi)鏡系統(tǒng),在內(nèi)鏡直視下再次消毒外耳道,耳屏、外耳道行局部浸潤麻醉,沿耳屏內(nèi)側(cè)近外緣2 mm處切開皮膚直達(dá)軟骨膜,切口長度約為1.5 cm,逐層剝離耳屏軟骨后方皮下組織并暴露耳屏軟骨,弧形切取合適大小的軟骨制作島狀耳屏軟骨-軟骨膜補(bǔ)片,注意保留游離緣部分軟骨支架,防止術(shù)后耳屏塌陷畸形,采用4-0可吸收縫線將切口縫合。耳內(nèi)鏡直視下顯微鉤針切除穿孔鼓膜邊緣以形成新鮮創(chuàng)面,搔刮穿孔邊緣內(nèi)側(cè)黏膜層以形成新鮮血管床。距離鼓環(huán)溝8 mm弧形切開后壁外耳道,分離耳道皮膚骨膜瓣,掀起皮瓣向深部推進(jìn),掀起纖維鼓環(huán),切開鼓室內(nèi)側(cè)黏膜并進(jìn)入鼓室,翻起鼓膜。沿錘骨分離鼓索神經(jīng),越過鼓索神經(jīng)外側(cè)分離錘骨柄,從錘骨外側(cè)突向下繼續(xù)翻起鼓膜,去除鼓膜硬化灶,最大程度保證鼓膜上皮層的完整。去除鼓室肉芽,探查聽骨鏈活動(dòng)性、圓窗反射,沖洗術(shù)腔,耳屏軟骨-軟骨膜補(bǔ)片以內(nèi)置法方式修補(bǔ)鼓膜,鼓室放入明膠海綿顆粒,填充支撐修補(bǔ)鼓膜,顯微鉤針自內(nèi)向外讓軟骨膜片充分貼附于鼓膜殘邊。外耳道皮膚-鼓膜瓣復(fù)位,明膠海綿顆粒置入鼓膜外側(cè)外耳道并固定,注入適量氧氟沙星滴耳液,耳屏內(nèi)耳道口塞抗生素紗條,耳廓方形敷貼包扎。
1.2.2 對(duì)照組 在顯微鏡輔助下行鼓室成形術(shù)Ⅰ型進(jìn)行治療。全麻,消毒鋪巾,局部浸潤麻醉后,鼓膜穿孔邊緣制作邊緣新鮮移植床;上起顳線,沿耳廓后溝下行,達(dá)耳廓后溝下部。沿手術(shù)部位做切口,逐層分離患耳下皮下組織,直至外耳道口。沿外耳道口在6~12點(diǎn)方向,半環(huán)形切開骨膜,沿骨分開后方骨膜瓣,顯露緊貼外耳道骨壁的筋膜,分離外耳道后壁與下壁皮膚,直達(dá)鼓溝,將該處纖維鼓環(huán)從鼓溝分出,連同骨膜后部一起形成外耳道皮膚-骨膜瓣,并將其向前翻轉(zhuǎn),暴露鼓室;探查鼓室,將鼓室內(nèi)的鈣化灶及聽骨鏈周圍粘連予以去除,耳后切口上方1/3處分離暴露顳骨肌筋膜,切取合適大小顳肌筋膜,采用內(nèi)置法修補(bǔ)破損的鼓膜,于鼓室內(nèi)和鼓膜外側(cè)放置明膠海綿顆粒并固定,注入適量左氧氟沙星滴耳液,填塞抗生素紗條并包扎。
1.2.3 術(shù)后處理 術(shù)后7 d復(fù)查拆線,術(shù)后7~14 d取出外耳道填塞,以后間隔半月隨訪一次,術(shù)后3個(gè)月再次行純音測(cè)聽檢查。
1.3 觀察指標(biāo) 比較兩組手術(shù)及住院指標(biāo),包括術(shù)中出血量、手術(shù)時(shí)間、住院時(shí)間及住院費(fèi)用。兩組分別于術(shù)前及術(shù)后3個(gè)月行純音測(cè)聽試驗(yàn),記錄氣骨導(dǎo)差與氣導(dǎo)聽閾,以評(píng)價(jià)兩組術(shù)后聽力恢復(fù)情況。比較兩組術(shù)后鼓膜愈合與并發(fā)癥發(fā)生情況。
1.4 統(tǒng)計(jì)學(xué)處理 采用SPSS 23.0軟件對(duì)所得數(shù)據(jù)進(jìn)行統(tǒng)計(jì)分析,計(jì)量資料用(x±s)表示,組間比較采用獨(dú)立樣本t檢驗(yàn),組內(nèi)比較采用配對(duì)t檢驗(yàn);計(jì)數(shù)資料以率(%)表示,比較采用字2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 兩組一般資料比較 對(duì)照組,男28例,女22例;平均年齡(35.21±5.74)歲;大穿孔22例,中穿孔13例,小穿孔15例。觀察組,男26例,女24例;平均年齡(37.04±6.33)歲;大穿孔24例,中穿孔10例,小穿孔16例。兩組性別、年齡、穿孔大小相比,差異均無統(tǒng)計(jì)學(xué)意義(P>0.05),具有可比性。
2.2 兩組術(shù)中出血量、手術(shù)時(shí)間、住院時(shí)間及住院費(fèi)用比較 研究組術(shù)中出血量、手術(shù)時(shí)間、住院時(shí)間及住院費(fèi)用均優(yōu)于對(duì)照組,差異均有統(tǒng)計(jì)學(xué)意義(P<0.05),見表1。
2.3 兩組手術(shù)前后聽力與術(shù)后鼓膜愈合情況比較 術(shù)前,兩組氣骨導(dǎo)差、氣導(dǎo)聽閾比較,差異均無統(tǒng)計(jì)學(xué)意義(P>0.05);術(shù)后3個(gè)月,兩組氣骨導(dǎo)差、氣導(dǎo)聽閾較治療前均明顯降低,且研究組均明顯低于對(duì)照組,差異均有統(tǒng)計(jì)學(xué)意義(P<0.05)。兩組術(shù)后鼓膜愈合率比較,差異有統(tǒng)計(jì)學(xué)意義(P<0.05)。見表2。
2.4 兩組術(shù)后并發(fā)癥發(fā)生情況比較 研究組術(shù)后并發(fā)癥發(fā)生率雖低于對(duì)照組,但兩組比較差異無統(tǒng)計(jì)學(xué)意義(P>0.05),見表3。
3 討論
鼓膜也稱耳膜,是位于中耳鼓室與外耳道交界部位的橢圓形半透明狀薄膜,由黏膜層、纖維層及上皮層構(gòu)成。鼓膜的生理功能是分隔外耳道和中耳腔,阻擋外耳道異物,在傳導(dǎo)聽覺的過程中,鼓膜特有的結(jié)構(gòu)可以使傳入的聲波增益,補(bǔ)償聲音在傳入過程中的衰減。鼓膜穿孔是臨床耳鼻喉科的常見病種,多由耳外傷、慢性中耳炎、昆蟲入耳等因素造成,臨床表現(xiàn)為聽力損傷、耳自覺性脹痛感或阻塞感、耳鳴等,嚴(yán)重影響患者日常工作生活[6-7]。鼓膜修補(bǔ)術(shù)是治療鼓膜穿孔的有效方法,包括外植法、內(nèi)植法、夾層法等,通過多年的臨床實(shí)踐,內(nèi)置法已成為臨床應(yīng)用最為廣泛、效果最優(yōu)的手術(shù)方式[8-9]。
由于鼓膜修補(bǔ)術(shù)手術(shù)部位深,手術(shù)視野狹小,需要通過相關(guān)設(shè)備輔助才能順利完成。既往臨床上通常采用顯微鏡輔助下完成,顯微鏡可清晰地顯示手術(shù)視野,同時(shí)有利于醫(yī)生完成更加精細(xì)的手術(shù)操作,取得了相對(duì)滿意的臨床療效,但是顯微鏡下操作具有手術(shù)創(chuàng)傷大、術(shù)中視野狹小易出現(xiàn)死角、術(shù)后恢復(fù)時(shí)間長、恢復(fù)效果不理想等缺點(diǎn),只能觀察到物鏡軸線正前方視野內(nèi)景象,術(shù)者需要在手術(shù)過程中不停地調(diào)整顯微鏡方向并多角度旋轉(zhuǎn)手術(shù)床改變患者體位來完成手術(shù)操作,且顯微鏡下手術(shù)需要在耳后做輔助性切口以顯露鼓膜,在一定程度上增加了手術(shù)的創(chuàng)傷性[10-13]。因此,選擇一種理想的微創(chuàng)手術(shù)方式對(duì)改善患者結(jié)局至關(guān)重要。隨著醫(yī)療技術(shù)的發(fā)展和高清內(nèi)鏡技術(shù)的開發(fā),耳內(nèi)鏡經(jīng)外耳道鼓室成形術(shù)得到了迅猛發(fā)展[14]。與傳統(tǒng)顯微鏡修補(bǔ)術(shù)相比,耳內(nèi)鏡經(jīng)外耳道鼓室成形術(shù)創(chuàng)傷相對(duì)較小、術(shù)后并發(fā)癥發(fā)生率低等優(yōu)點(diǎn),在鼓膜穿孔修補(bǔ)中具有獨(dú)特優(yōu)勢(shì)[15-16]。耳內(nèi)鏡下手術(shù)可以通過提供極好的側(cè)方視野角度,術(shù)者可以在手術(shù)過程中對(duì)同一解剖結(jié)構(gòu)進(jìn)行全方位、多角度觀察,克服了傳統(tǒng)顯微鏡下手術(shù)只能觀察到物鏡軸線鄭縣房病變組織這一缺點(diǎn),使術(shù)者可掌握患者全面的信息,從而展開臨床治療[17]。本研究結(jié)果顯示,研究組術(shù)中出血量、手術(shù)時(shí)間、住院時(shí)間及住院費(fèi)用均優(yōu)于對(duì)照組,術(shù)后氣骨導(dǎo)差、氣導(dǎo)聽閾均明顯低于對(duì)照組,差異均有統(tǒng)計(jì)學(xué)意義(P<0.05);兩組術(shù)后鼓膜愈合率相比,差異有統(tǒng)計(jì)學(xué)意義(P<0.05)。耳內(nèi)鏡經(jīng)外耳道鼓室成形術(shù)的優(yōu)點(diǎn)在于:一是采用外徑僅2.7 mm光學(xué)內(nèi)鏡直接進(jìn)入鼓室內(nèi)手術(shù),視野廣角、清晰,有放大效果,還可進(jìn)行30°、70°多角度內(nèi)鏡,靠近鼓膜即可清楚觀察鼓膜穿孔邊緣全貌,直接觀察顯微鏡下容易形成死角的前鼓室、后鼓室區(qū)域病變,方便進(jìn)行手術(shù)[18];二是無須耳后切口,直接通過外耳道進(jìn)入手術(shù)部位,從而減少耳后肌肉、血管及神經(jīng)損傷,因而出血量更少,術(shù)后鼓膜愈合率更高,美觀性更好,術(shù)后基本看不出手術(shù)切口的存在,對(duì)于瘢痕體質(zhì)的患者更優(yōu);三是使用軟骨膜補(bǔ)片進(jìn)行修復(fù),基床相對(duì)于傳統(tǒng)顳肌筋膜更加持久,術(shù)后患者鼓膜再生爬行成功率高[19-20]。此外,本研究結(jié)果顯示,研究組術(shù)后并發(fā)癥發(fā)生率雖均低于對(duì)照組,但兩組比較差異均無統(tǒng)計(jì)學(xué)意義(P>0.05)。良好的手術(shù)視野不僅可以縮小手術(shù)創(chuàng)口,提高手術(shù)美觀度,同時(shí)還可以減少腔外組織清除量,減少不必要的手術(shù)創(chuàng)傷,從而避免術(shù)后再穿孔及感染等并發(fā)癥的發(fā)生,對(duì)促進(jìn)患者術(shù)后恢復(fù)、降低并發(fā)癥的發(fā)生率等方面均具有重要作用,因而,耳內(nèi)鏡經(jīng)外耳道鼓室成形術(shù)具有更優(yōu)的應(yīng)用價(jià)值。
此外,筆者在治療過程中發(fā)現(xiàn),耳內(nèi)鏡經(jīng)外耳道鼓室成形術(shù)在實(shí)施過程中,尚存在幾點(diǎn)不足,主要是難以用雙手操作、鏡頭易污染以及立體視覺差等。下列注意事項(xiàng)可有效避免上述問題的發(fā)生:一是在手術(shù)過程中應(yīng)嚴(yán)格注意手術(shù)操作,避免觸及外耳道影響術(shù)野;二是在移植膜以及移植床之間平鋪明膠海綿顆粒,減少兩者的間隙。
綜上所述,對(duì)于鼓膜穿孔遷延不愈的患者,耳內(nèi)鏡經(jīng)外耳道鼓室成形術(shù)療效明顯,患者住院時(shí)間及住院費(fèi)用低,聽力恢復(fù)好,值得在臨床上予以推廣實(shí)施。
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(收稿日期:2020-12-16) (本文編輯:程旭然)
中國醫(yī)學(xué)創(chuàng)新2021年29期