儿童肛门失弛缓症的手术治疗的形态学特征
- 作者: Kolesnikova N.G.1, Svarich V.G.1, Moustafa K.R.1, Iskalieva A.R.1, Martinez Salvador G.2, Nabokov V.V.1, Krasnogorskaya O.L.1
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隶属关系:
- Saint Petersburg State Pediatric Medical University
- St. Petersburg State Pediatric Medical University
- 期: 卷 15, 编号 1 (2025)
- 页面: 19-26
- 栏目: Original Study Articles
- URL: https://journals.rcsi.science/2219-4061/article/view/312980
- DOI: https://doi.org/10.17816/psaic1820
- ID: 312980
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论证。肛门失弛缓症的主要临床表现为便秘,在疾病晚期可出现充盈性失禁,需与其他疾病进行鉴别诊断。然而,现代文献中关于内括约肌的组织学研究较为有限,而这对于明确诊断至关重要。 目前,肉毒杆菌毒素注射被用于治疗儿童肛门失弛缓症,但最有效的方法仍被认为是括约肌切开术。此外,目前尚未最终确定影响内括约肌切开术治疗效果的因素,包括组织学研究数据。
目的。分析接受手术治疗的儿童肛门失弛缓症患者的术后效果,并评估其肛门和直肠的神经节细胞状态。
材料与方法。研究共纳入64例接受手术治疗的儿童患者,均行内括约肌切开术,并切除4 cm长、1 cm 宽的深层肌组织(Linn手术),随后进行组织学检查。Linn手术后,39例患者取得良好临床效果, 表现为每日正常排便,充盈性失禁消失;25例患者术后仍存在便秘和/或充盈性失禁,疗效不佳。
结果。Linn手术后,39例患者取得良好临床效果,表现为每日正常排便,充盈性失禁消失;25例患者术后仍存在便秘和/或充盈性失禁,疗效不佳。组织学检查发现,肛门内括约肌中结缔组织显著增多。在术后疗效良好与无效的患者中,距肛门+3 cm和+5 cm处的神经元与中间神经元的总数基本相同。在术后疗效不佳的患者组中,所有病例均持续存在直肠扩张。而疗效良好的患者组中,术后直肠扩张情况有所改善。
结论。在肛门失弛缓症患者中,肛门内括约肌的神经元数量比正常水平减少至少3倍。手术治疗的效果与神经元和中间神经元的总数量无关。在切除的内括约肌肌层组织中,神经节细胞的数量呈非线性分布:从远端(远离直肠)向近端(靠近直肠)逐渐增加。在接受Linn手术但疗效不佳的肛门失弛缓症患者中,术后直肠扩张的持续存在与治疗效果呈负相关。
作者简介
Nadezhda G. Kolesnikova
Saint Petersburg State Pediatric Medical University
Email: salut1973@bk.ru
ORCID iD: 0009-0001-0447-0857
SPIN 代码: 8237-3130
MD. Cand. Sci. (Medicine)
俄罗斯联邦, Saint PetersburgVyacheslav G. Svarich
Saint Petersburg State Pediatric Medical University
编辑信件的主要联系方式.
Email: svarich61@mail.ru
ORCID iD: 0000-0002-0126-3190
SPIN 代码: 7684-9637
MD, Dr. Sci. (Medicine)
俄罗斯联邦, Saint PetersburgKarim Ahmed R. Moustafa
Saint Petersburg State Pediatric Medical University
Email: kareemahmad81@gmail.com
ORCID iD: 0009-0008-5967-5340
MD
俄罗斯联邦, Saint PetersburgAdela R. Iskalieva
Saint Petersburg State Pediatric Medical University
Email: iskalieva.adelia@mail.ru
ORCID iD: 0009-0005-2140-4084
SPIN 代码: 1114-3151
MD
俄罗斯联邦, Saint PetersburgGuadalupe Martinez Salvador
St. Petersburg State Pediatric Medical University
Email: dellsal2315@hotmail.com
ORCID iD: 0000-0003-1025-7152
MD
194100, St. Petersburg, st. Litovskaya, 2Viktor V. Nabokov
Saint Petersburg State Pediatric Medical University
Email: vn59@mail.ru
ORCID iD: 0009-0003-7241-5782
SPIN 代码: 1378-9980
MD, Cand. Sci. (Medicine)
俄罗斯联邦, Saint PetersburgOlga L. Krasnogorskaya
Saint Petersburg State Pediatric Medical University
Email: krasnogorskaya@yandex.ru
ORCID iD: 0000-0001-6256-0669
SPIN 代码: 2460-4480
MD, Cand. Sci. (Medicine), Associate Professor
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