Kosins Aaron M, Lambros Val, Daniel Rollin K
Dr Kosins is a Volunteer Clinical Assistant Professor and Dr Daniel is a Volunteer Clinical Professor, University of California, Irvine Medical Center, Irvine, CA. Dr Lambros is a plastic surgeon in private practice in Newport Beach, CA.
Aesthet Surg J. 2015 May;35(4):367-77. doi: 10.1093/asj/sju110.
The plunging tip refers to a deformity in which the nasal tip plunges on smiling.
To understand the plunging tip, we have updated our series of 25 cosmetic rhinoplasty patients who complained of a plunging tip with a focus on the anatomic changes of the nose on smiling.
Twenty-five female cosmetic primary rhinoplasty patients who complained of a nasal tip that plunged on smiling were photographed in static and smiling sequences preoperatively and one year postoperatively. Different nasal angles and landmarks were measured to study changes of the nose.
Pre- and postoperatively, there was no statistically significant difference in the changes in the nasal angles and landmarks on smiling. At one year postoperatively, 2 patients had nasal tips that continued to plunge on smiling; these patients had requested no increase in tip rotation preoperatively. Only 2 patients had columellar base muscles cut for reasons other than treating the plunging tip.
This is the first prospective, evidence-based study on the plunging tip. Measurements of the nose before and after surgery demonstrate that the nasal tip moves less than 1 mm and 1 degree on smiling. Treatment of the plunging tip illusion was effective by increasing the tip angle in repose. No columellar base muscles were cut to treat the plunging tip, and the nose moved just as much after surgery as before. Cutting or manipulating muscles is not necessary for treatment. To treat the illusion, the surgeon must increase tip rotation.
鼻尖下垂是指鼻尖在微笑时出现下垂的畸形。
为了解鼻尖下垂情况,我们对25例抱怨鼻尖下垂的美容隆鼻患者进行了更新研究,重点关注微笑时鼻子的解剖学变化。
对25例抱怨微笑时鼻尖下垂的女性初次美容隆鼻患者在术前及术后1年进行了静态和微笑状态下的拍照。测量不同的鼻角和标志点以研究鼻子的变化。
术前和术后,微笑时鼻角和标志点的变化在统计学上无显著差异。术后1年,2例患者微笑时鼻尖仍继续下垂;这些患者术前未要求增加鼻尖旋转度。仅2例患者因治疗鼻尖下垂以外的原因切断了鼻小柱基部肌肉。
这是第一项关于鼻尖下垂的前瞻性、循证研究。手术前后鼻子的测量表明,微笑时鼻尖移动小于1毫米和1度。通过增加静止时的鼻尖角度,治疗鼻尖下垂假象是有效的。未切断鼻小柱基部肌肉来治疗鼻尖下垂,术后鼻子的移动与术前相同。治疗该假象时,外科医生必须增加鼻尖旋转度。