“Z”成形术；后天性前鼻孔狭窄；手术治疗。
随其发育，仔鱼前鼻孔隆起于外表面，发育为管状延伸物而与外界相通。
With the development of the fish, the anterior naris of the fry rose above the external surface and developed into a tubular extension, which opened to the outside.
其中A组30例患者在取出鼻腔填塞物后于前鼻孔放置棉球以减少鼻腔通气；
Another 30 patients who did not receive a cotton ball placed in the anterior nostrils after removing the nasal stents in the same period were put in group B.
目的：采用前鼻孔放置棉球的方法减少鼻腔通气，观察鼻内镜术后创面愈合的情况。
Objective: to study the effects of reducing nasal airflow by placing a cotton ball in the anterior nostrils on wound healing after endoscopic sinus surgery.
方法：鼻内窥镜下以传统的前鼻孔填塞法及电热烧灼法、微波凝固法治疗动脉性鼻出血。
Methods:Using electro-cauterization, microwave-cauterization and traditional anterior nose packing in treating serious superficial arterial epistaxis under endoscopy.
实验组小鼠出生后立即在显微镜下用9 - 0线缝合左侧前鼻孔，造成左侧前鼻孔闭锁。
Experimental mice immediately after birth with a 9-0 suture under the microscope before the left nostril, causing the left front nostril atresia.
结果20例患者中，作单侧鼻腔填塞的7例，作双侧鼻腔填塞的有11例，作单侧前、后鼻孔填塞的有2例；
Results 7 of 20 cases received unilateral nasal cavity packing. 11 cases received bilateral nasal cavity packing and 2 cases received unilateral anterior-posterior nasal cavity packing.
结果20例患者中，作单侧鼻腔填塞的7例，作双侧鼻腔填塞的有11例，作单侧前、后鼻孔填塞的有2例；
Results 7 of 20 cases received unilateral nasal cavity packing. 11 cases received bilateral nasal cavity packing and 2 cases received unilateral anterior-posterior nasal cavity packing.
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