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Biomedical subjects

U Frohberg

Publications and source records attributed to U Frohberg.

21 records · Page 2Linked to original sources
PubMedDate not supplied

[Long-term alternations in the hypopharyngeal respiratory tract after mandibular setback].

10 patients were evaluated retrospectively for their long-term changes in hypopharyngeal airway space after surgical correction of mandibular prognathism. All patients had undergone mandibular setbacks by way of bilateral sagittal split osteotomies with rigid fixation. The cephalometric evaluation of the hypopharyngeal airway space was based on stable craniofacial landmarks. The results of this study indicate that mandibular setbacks procedures create relative narrowing of the hypopharyngeal airway space, which in isolated cases might contribute to the development of an obstructive sleep apnea syndrome. The clinical implications of these findings are discussed.

Adolescent↗
PubMedDate not supplied

[Maxillary osteotomy: an alternative treatment concept for obstructive sleep apnea syndrome].

This study contributes to the evaluation of the question whether patients with obstructive sleep apnea syndrome might benefit from maxillary surgery. Changes in nasopharyngeal and hypopharyngeal airway spaces of 13 non-apneic patients following maxillary advancement and/or impaction osteotomies were studied retrospectively by cephalometric analysis. The data suggest a long-term increase in both nasopharyngeal airway space and unexpected, in hypopharyngeal airway space which remained stable over time. The clinical implications are discussed in view of previous studies which suggest or recommend orthognathic surgery as a treatment modality in selected patients with obstructive sleep apnea syndrome.

Adolescent↗