• Medicine · Nov 2018

    New methods for specialized subjective and high-precision objective evaluation of constricted ears: A pilot study.

    • Di Wang, Bo Pan, Lin Lin, Qinghua Yang, Leren He, Yupeng Song, Jiayu Zhou, and Haiyue Jiang.
    • Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union, Beijing, China.
    • Medicine (Baltimore). 2018 Nov 1; 97 (45): e12997e12997.

    AbstractThe effects of therapy on constricted ears are evaluated subjectively and objectively. However, previous methods are not specific, comprehensive, precise, or effective in diagnosing and predicting surgical outcomes. This study aimed to present a personalized, subjective evaluation scale and new objective indices utilizing a digital method for the accurate evaluation of constricted ears.Nine consecutive patients with constricted ears were selected. To perform subjective evaluations, the patients' parents were contacted by telephone within 3 to 6 months after surgery and asked to answer questions using a scale. To perform objective evaluations, the constricted and normal ears of each patient were scanned using a 3-dimensional scanner before and 14 days after surgery. The vertical height of the auricle (VHA), transverse diameter of the auricle, minimum length of the helix (MLH), length of the inner auricle (LIA), and transverse diameter of the inner auricle were calculated using Mimics software. The Wilcoxon matched pairs signed-rank test was used for data analysis.High satisfaction scores were reported. The folds of the ear and helix had the highest median scores, whereas the crus of the antihelix had the lowest. The difference in LIA and postoperative MLH was greater than that in VHA and preoperative MLH. The mean values of the 5 indices of the normal ear were greater than those of the indices of the preoperative constricted ear (P < .05).The specialized subjective scale reported in this study allows comprehensive and personalized assessment of constricted ears. The new objective indices are more effective than existing methods and the digital measurement method is precise and reliable. These methods will allow the treatment of constricted ears to be better evaluated, leading to improvements in patient management and treatment selection.

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