PRS:改良颊肌粘膜皮瓣关闭巨大腭口鼻瘘

2021-04-20 MedSci原创 MedSci原创

腭裂术后鼻瘘的先兆是高鼻音和鼻返流。然而,这些瘘管容易阻碍上颌生长的疤痕形成,还会引起邻近组织塌陷,其修复情况并不理想。

腭裂术后鼻瘘的先兆是高鼻音和鼻返流。然而,这些瘘管容易阻碍上颌生长的疤痕形成,还会引起邻近组织塌陷,其修复情况并不理想。 小于1 cm的中小瘘管通常可以通过腭大血管蒂灌注的粘骨膜瓣再次抬高和内侧移位来闭合,通常与鼻粘膜关闭联合使用犁皮瓣。较大的瘘管通常采用舌和面动脉肌粘膜皮瓣治疗。而大的口鼻腭瘘很难修复好。 然而,这些技术受到以下因素的限制:需要多个阶段切开椎弓根,术后舌畸形和言语障碍,巨大的可能阻碍气道的皮瓣,以及需要咬合块或牙齿修复来防止闭塞。 颊粘膜皮瓣主要用于修复二次腭裂延长,也应用在关闭相邻瘘管方面。前人所报道的较短(2.5厘米)的皮瓣长度也限制了颊粘膜皮瓣的使用范围,仅在硬软腭交界处附近使用。但现今已经将颊瓣的适应症扩大到初级腭裂成形术、双侧皮瓣的使用和腭部延长并同时修复瘘管。 作者在这些技术的基础上,利用皮瓣的轴向灌注设计了一种更长的(5-7厘米)皮瓣,并将其嵌入到磨牙后。这使得皮瓣能够到达硬腭前部,修复直径大于2厘米的双侧瘘管,且不需要分割皮瓣。 作者提出了一种改良的颊肌粘膜瓣修复技术,并回顾了中期结果。在这种技术中,大的腭前瘘管分两层闭合。首先,将犁骨粘膜瓣的鼻翼翻转

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    2021-10-15 guoyibin
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    2022-04-05 kzlchina
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    2021-04-22 sunylz
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    2021-04-20 1463ea10m76暂无昵称

    同样期待

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    2021-04-20 DRMORTON

    期待

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