Summary Background: This study describes the author’s experience with long-term follow-up analysis of secondary procedures in patients with unsatisfactory initial microtia reconstruction.

Methods: A total of 134 patients who underwent secondary operations between 1992 and 2021 were reviewed by examining medical records and photographic data. A total of 110 patients followed between 6 months and 26 years (average 33.2 months) were included for evaluation of aesthetic outcomes.

Results: Primary reconstruction was performed with costal cartilage in 113 patients, porous polyethylene implant in 7 patients, silicone implant in 6 patients, and others in 8 patients. The major external features at the time of the secondary reconstruction were lump (91 cases), deficient convolution (19 cases), and no framework with scarred mastoid skin (22 cases). All secondary reconstructions were performed with an autogenous costal cartilage framework. The framework was covered using temporoparietal fascia flap techniques in 118 patients, mastoid skin coverage technique in 12 patients, and others in 4 patients. One major complication (exposure of cartilage framework due to partial necrosis of fascial flap) and three minor complications (loss of moderate-sized full-thickness skin, grafted on the fascia) were recorded. The average score given for aesthetic outcomes, rated on a four-point Likert scale (i.e., 1 = poor, 2 = fair, 3 = good, and 4 = excellent) was 3.17 (median 3.00). A total of 42% of the patients were rated excellent and 36% were rated good.

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