Hearing impairment and ear anomalies in craniofacial microsomia: a systematic review

Rooijers, W.; Tio, P.A.E.; Schroeff, Marc P. van der; Padwa, Bonnie L.; Dunaway, David; Forrest, Chris; Caron, Cornelia J.J.M.

doi:10.1016/j.ijom.2022.01.005

Cited by 11 publications

(4 citation statements)

References 73 publications

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“…HFM incidence varies widely in reports, ranging from 3000 to 26,000 individuals with an estimated occurrence of one. 1,3,15,18,19 No significant gender difference exists, with a male-to-female ratio of 1.09:1. 20 Although HFM is a common congenital anomaly, treatment approaches vary widely.…”

Section: Discussionmentioning

confidence: 99%

Assessment and Identification of Improvement Areas for Facial Symmetry in Hemifacial Microsomia (Type IIB) Using Three-dimensional Measurements

Niikura,

Ishii,

Sakamoto

et al. 2024

Plastic and Reconstructive Surgery - Global Open

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Background: Surgical planning for hemifacial microsomia (HFM) patients often involves planning the amount of maxillary movement and mandibular bone distraction from three-dimensional (3D) volumetric images constructed from computed tomography scans. By representing anatomical indicators for facial symmetry in X, Y, and Z coordinates, we identified the more challenging areas in correcting facial asymmetry. Methods: The study included five HFM patients with a mean age of 22.2 years, all diagnosed with HFM (type IIB). We established measurement points with high reproducible 3D coordinates on the 3D volumetric images obtained from computed tomography scans for before surgery, treatment objectives, and after surgery. We assessed the symmetry of measurement points between the affected side and nonaffected side at each time point. Results: In the before-surgery group, significant differences were observed between the affected side and nonaffected side in X,Y (excluding Palatine foramen, upper molar, canine) and Z coordinates for measurement items. In the treatment objectives group, no differences were observed between the affected side and nonaffected side in X, Y, and Z coordinates, resulting in facial symmetry. In the after-surgery group, significant differences were observed in Y coordinates in the mental foramen area, and significant differences were observed in z axis measurement items in the canine and mental foramen areas. Conclusions: It is evident that relying solely on a front view assessment is insufficient to achieve facial symmetry. Particularly, both anterior–posterior and vertical improvements in the area near the mental foramen on the affected side are necessary.

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Section: Discussionmentioning

confidence: 99%

Assessment and Identification of Improvement Areas for Facial Symmetry in Hemifacial Microsomia (Type IIB) Using Three-dimensional Measurements

Niikura,

Ishii,

Sakamoto

et al. 2024

Plastic and Reconstructive Surgery - Global Open

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“…Patients with CFM may present with microtia or anotia, atresia of the external auditory canal, or dysplasia of the ossicular chain. 3 Scholars have reported that the incidence of inner ear malformations in CFM ranges from 8–36% 13,14 and includes cochlear dysplasia, dysplasia or absence of semi-circular canals, an enlarged vestibular aqueduct, and internal auditory canal stenosis. The internal carotid artery and facial nerve, which pass through the temporal bone, are also abnormal in some patients 15, 16 This study assessed the bilateral differences in anatomical landmarks on the temporal bone (including the inner ear) in a reconstructed 3D coordinate system.…”

Section: Discussionmentioning

confidence: 99%

“…2 Many structures of the temporal bone, such as the glenoid fossa and zygomatic arch, are malformed or absent on the affected side of patients with CFM. Existing research has described middle ear or inner ear malformations qualitatively 3 or compared the difference in skull base between the affected and unaffected sides of patients with CFM, describing the petromastoid part of the temporal bone two-dimensionally 4,5, 6 Considering that the alteration of bony structures in patients with CFM is three-dimensional (3D), 7 an accurate evaluation of temporal bone morphology will deepen the understanding of CFM skeletal deformities and may offer implications for its pathogenesis. Malformation of the zygomatic arch leads to depression and distortion of the face on the affected side, which affects aesthetic appearance.…”

Section: Introductionmentioning

confidence: 99%

Three-dimensional Analysis of the Temporal Bone Morphology in Patients with Craniofacial Microsomia

Liu

Tang

et al. 2023

The Cleft Palate Craniofacial Journal

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Objective To characterise the morphology of temporal bone in patients with craniofacial microsomia (CFM). Design A retrospective study. Setting A craniofacial centre. Patients Ninety-four patients with unilateral craniofacial microsomia. Interventions Mimics 21.0 (Materialise Inc., Belgium) was used to locate temporal bone landmarks on preoperative computed tomography data. The spatial Cartesian coordinate system was established in 3-matic 13.0 (Materialise Inc., Belgium). The coordinates of each landmark and the distances and angles between the landmarks were calculated. A classification system was used to quantify the severity of the zygomatic arch deformity. Main outcome measure(s) The bilateral differences in coordinates, linear and angular measurements, and the severity of temporal bone deformity (TTL δ, Psag δ, Paxiδ, and Tsag δ) among the groups were compared using the paired t-test and Kruskal-Wallis test, respectively. Results Compared to those of the unaffected side, the landmarks of the inner ear and petrous part on the affected side showed a decrease in the Z-coordinate or an increase in the X-coordinate. A superolateral rotation tendency of the temporal bone on the affected side was found. There were no significant differences in the linear and angular measurements between the groups. The degree of zygomatic arch deformation was lower in the mild group; however, no significant difference was found between the moderate and severe groups. Conclusions In patients with CFM, asymmetry of the temporal bone and its inner organs (vestibulocochlear organ, facial nerve, and vessels) exists in multiple dimensions; its severity is not completely consistent with the degree of mandibular involvement.

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“…Much is known about the adverse effects of hypoplasia and asymmetry present in CFM on hearing, breathing, chewing, and swallowing. These effects include hearing loss in over 50% of individuals ( Rooijers et al, 2022 ), chewing and swallowing disorders in over 25%, and obstructive sleep apnea in up to 18% of children with CFM ( Caron et al, 2018 ; Caron, Pluijmers, Maas, et al, 2017 ). In contrast, information regarding the prevalence, etiology, and severity of speech disorders in CFM is limited ( Ronde et al, 2023 ).…”

mentioning

confidence: 99%

Characterizing Speech Phenotype in Individuals With Craniofacial Microsomia: A Scoping Review

Kinter,

Kotlarek,

Meehan

et al. 2024

Am J Speech Lang Pathol

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Introduction: Craniofacial microsomia (CFM) is a complex congenital condition primarily affecting the ear, mandible, facial nerve and muscles, and tongue. Individuals with CFM are at increased risk of hearing loss, obstructive sleep apnea, and feeding/swallowing difficulties. The purpose of this scoping review was to summarize evidence pertaining to speech production in CFM. Method: All articles reporting any characteristic of speech production in CFM were included and screened by two independent reviewers by title, abstract, and full text. Data charting captured details related to study population and design, CFM diagnostic criteria, speech outcome measurement, and key findings. The Preferred Reporting Items for Systematic Reviews and Meta-Analyses Extension for Scoping Reviews checklist guided reporting of results. Our protocol was registered on the Open Science Framework (https://osf.io/npr94/) and published elsewhere. Results: Forty-five articles were included in the detailed review. Most articles originated from the United States, were published in the past decade, and utilized case report/series study design. A speech-language pathologist authored 29%. The prevalence of velopharyngeal insufficiency ranged from 19% to 55% among studies. Oral distortion of alveolar and palatal fricatives and affricates primarily characterized articulation errors. Studies identified increased disordered speech and lower intelligibility in adolescents with CFM compared to unaffected peers. Evidence pertaining to phonatory and respiratory speech findings is limited. Conclusions: Evidence supports that individuals with CFM are at increased risk of both velopharyngeal and articulatory speech differences. Additional information is needed to develop speech screening guidelines for children with CFM. Heterogeneity in study design and outcome measurement precludes comparisons across studies. Supplemental Material: https://doi.org/10.23641/asha.24424555

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Hearing impairment and ear anomalies in craniofacial microsomia: a systematic review

Cited by 11 publications

References 73 publications

Assessment and Identification of Improvement Areas for Facial Symmetry in Hemifacial Microsomia (Type IIB) Using Three-dimensional Measurements

Assessment and Identification of Improvement Areas for Facial Symmetry in Hemifacial Microsomia (Type IIB) Using Three-dimensional Measurements

Three-dimensional Analysis of the Temporal Bone Morphology in Patients with Craniofacial Microsomia

Characterizing Speech Phenotype in Individuals With Craniofacial Microsomia: A Scoping Review

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