Dataset Information

Social Perception of the Nasal Dorsal Contour in Male Rhinoplasty.

ABSTRACT: Importance:The social perception of nasal dorsal modification for male rhinoplasty is poorly understood. Objective:To investigate the association of modifying the male nasal dorsum with the perception of such social attributes as youth, approachability, healthiness, masculinity/femininity, intelligence, successfulness, and leadership. Design, Setting, and Participants:Using computer simulation software, 12 images with varied combinations of the nasal dorsal shape, nasofrontal angle (NFA), and nasolabial angle (NLA) were generated from a photograph of a male volunteer's face in profile. These photographs were then sent to participants at a university clinic who were English-speaking adult internet users who were masked to the purpose of the study, which asked them to value different social attributes regarding the face in the photograph in a 16-question survey. The study was conducted in September 2018 and the data were analyzed thereafter until March 2019. Exposures:Twelve photographs embedded in a 16-question survey. Main Outcomes and Measures:Population proportions of responses and ?2 test and graphical analysis based on 95% confidence intervals. Results:Of 503 respondents (survey provision rate, 100%), 412 (81.9%) were women, 386 (76.7%) were white, 32 (6.4%) were Hispanic or Latinx, 63 (12.5%) were black/African American, 10 (2.0%) were Asian/Pacific Islander, and the median age was 46 years (interquartile range, 32-61 years). The man with ski slope-shaped nose with an NFA of 130° and NLA of 97° was often associated with frequently perceived positive characteristics; specifically, he was judged to be the most attractive (95% CI, 18%-26%; P?

SUBMITTER: Nuyen B

PROVIDER: S-EPMC6587145 | biostudies-literature | 2019 Sep

REPOSITORIES: biostudies-literature

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Publications

Social Perception of the Nasal Dorsal Contour in Male Rhinoplasty.

Nuyen Brian B Kandathil Cherian K CK Saltychev Mikhail M Most Sam P SP

JAMA facial plastic surgery 20190901 5

<h4>Importance</h4>The social perception of nasal dorsal modification for male rhinoplasty is poorly understood.<h4>Objective</h4>To investigate the association of modifying the male nasal dorsum with the perception of such social attributes as youth, approachability, healthiness, masculinity/femininity, intelligence, successfulness, and leadership.<h4>Design, setting, and participants</h4>Using computer simulation software, 12 images with varied combinations of the nasal dorsal shape, nasofront ...[more]

PMID: 31219525

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Project description:ImportanceSocial perception by laypersons of people who have undergone rhinoplasty primarily for cosmetic purposes has not been fully described.ObjectiveTo evaluate the social perception of patients who have undergone cosmetic rhinoplasty.Design, setting, and participantsPreoperative images of 4 patients with dorsal hump and tip ptosis were selected using the Delphi method. Computer simulations of dorsal hump reduction and tip rotation, alone or in combination, were performed. Using the Qualtrics internet-based survey platform, laypersons blinded to the purpose of the study viewed randomized original and simulated images and estimated the age, approachability, perceived success, overall health, intelligence, and rated their attractiveness on a visual analog scale from 0 to 100.Main outcomes and measuresComparison of responses (mean [SD] score) for each of the 3 types of simulated image against the original image employing a pairwise comparison of means (Dunnett test).ResultsAfter excluding 27 (4%) invalid responses, a total of 813 respondents (593 women and 220 men) were included in the study. The mean (SD) age was 44.6 (16.2) years. A total of 628 (77%) respondents were white and the observed highest level of education was a bachelor's degree (193 [24%]) or having attended college but without a diploma (194 [24%]). A significant age reduction (31 [10] years; 95% CI, -2.5 to 0; P?=?.04) and an increase in approachability (64 [22]; 95% CI, 0.7-5.8; P?=?.009), attractiveness (60 [22]; 95% CI, 4.0-9.4; P?<?.001), and health (70 [19]; 95% CI, 0.7-5.2; P?=?.006) for the simulation involving hump reduction was observed. When combined simulation of dorsum and tip rotation were tested, only significant increases in attractiveness (60 [23]; 95% CI, 3.6-9.0; P?<?.001) and health (69 [19]; 95% CI, 0.1-4.6; P?=?.03) were seen. No significant association was found for any of the responses when the tip alone was rotated. The Wilks ? varied slightly below 1.0 showing significant P values (P?<?.05) for all variance and covariance (respondent particulars).Conclusions and relevanceThough rhinoplasty procedures for nasal cosmesis involving both the nasal dorsum and tip were perceived to make a person more attractive and healthier, these results suggest that manipulation of the dorsum is more strongly associated with perception of the nose.Level of evidenceNA.

Project description:Autologous cartilages or synthetic nasal implants have been utilized in augmentative rhinoplasty to reconstruct the nasal shape for therapeutic and cosmetic purposes. Autologous cartilage is considered to be an ideal graft, but has drawbacks, such as limited cartilage source, requirements of additional surgery for obtaining autologous cartilage, and donor site morbidity. In contrast, synthetic nasal implants are abundantly available but have low biocompatibility than the autologous cartilages. Moreover, the currently used nasal cartilage grafts involve additional reshaping processes, by meticulous manual carving during surgery to fit the diverse nose shape of each patient. The final shapes of the manually tailored implants are highly dependent on the surgeons' proficiency and often result in patient dissatisfaction and even undesired separation of the implant. This study describes a new process of rhinoplasty, which integrates three-dimensional printing and tissue engineering approaches. We established a serial procedure based on computer-aided design to generate a three-dimensional model of customized nasal implant, and the model was fabricated through three-dimensional printing. An engineered nasal cartilage implant was generated by injecting cartilage-derived hydrogel containing human adipose-derived stem cells into the implant containing the octahedral interior architecture. We observed remarkable expression levels of chondrogenic markers from the human adipose-derived stem cells grown in the engineered nasal cartilage with the cartilage-derived hydrogel. In addition, the engineered nasal cartilage, which was implanted into mouse subcutaneous region, exhibited maintenance of the exquisite shape and structure, and striking formation of the cartilaginous tissues for 12 weeks. We expect that the developed process, which combines computer-aided design, three-dimensional printing, and tissue-derived hydrogel, would be beneficial in generating implants of other types of tissue.

Dataset Information

Social Perception of the Nasal Dorsal Contour in Male Rhinoplasty.

Publications

Social Perception of the Nasal Dorsal Contour in Male Rhinoplasty.

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