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Cone-beam CT analysis of patients with obstructive sleep apnea compared to normal controls
Buchanan, Allison,Cohen, Ruben,Looney, Stephen,Kalathingal, Sajitha,De Rossi, Scott Korean Academy of Oral and Maxillofacial Radiology 2016 Imaging Science in Dentistry Vol.46 No.1
Purpose: To evaluate the upper airway dimensions of obstructive sleep apnea (OSA) and control subjects using a cone-beam computed tomography (CBCT) unit commonly applied in clinical practice in order to assess airway dimensions in the same fashion as that routinely employed in a clinical setting. Materials and Methods: This was a retrospective analysis utilizing existing CBCT scans to evaluate the dimensions of the upper airway in OSA and control subjects. The CBCT data of sixteen OSA and sixteen control subjects were compared. The average area, average volume, total volume, and total length of the upper airway were computed. Width and anterior-posterior (AP) measurements were obtained on the smallest axial slice. Results: OSA subjects had a significantly smaller average airway area, average airway volume, total airway volume, and mean airway width. OSA subjects had a significantly larger airway length measurement. The mean A-P distance was not significantly different between groups. Conclusion: OSA subjects have a smaller upper airway compared to controls with the exception of airway length. The lack of a significant difference in the mean A-P distance may indicate that patient position during imaging (upright vs. supine) can affect this measurement. Comparison of this study with a future prospective study design will allow for validation of these results.
Ann Buchanan 한국청소년학회 2018 청소년학연구 Vol.25 No.8
Brain research indicates that interventions in the early years (under 3) may be an important way to help all children, but especially disadvantaged children, to achieve more academically, and make them more resistant to mental health disorders and delinquency that inhibit their future careers. But more recent research on the adolescent brain suggests there is much that can be done in the teenage years to 'turn around' a young person who may be moving in the wrong direction. Based on the new findings on the adolescent brain, the paper highlights the possible interventions that can be effective. In societies where an ageing population and low fertility are concerns, maximizing the potential of all children, who will be the workers of tomorrow, makes both humanitarian and economic good sense. Disadvantaged children are particularly likely to benefit from interventions in the early years and throughout adolescence. As such they may be better able in adult life to contribute to the well-being of their societies.
Cone-beam CT analysis of patients with obstructive sleep apnea compared to normal controls
Allison Buchanan,Ruben Cohen,Stephen Looney,Sajitha Kalathingal,Scott De Rossi 대한영상치의학회 2016 Imaging Science in Dentistry Vol.46 No.1
Purpose: To evaluate the upper airway dimensions of obstructive sleep apnea (OSA) and control subjects using a cone-beam computed tomography (CBCT) unit commonly applied in clinical practice in order to assess airway dimensions in the same fashion as that routinely employed in a clinical setting. Materials and Methods: This was a retrospective analysis utilizing existing CBCT scans to evaluate the dimensions of the upper airway in OSA and control subjects. The CBCT data of sixteen OSA and sixteen control subjects were compared. The average area, average volume, total volume, and total length of the upper airway were computed. Width and anterior-posterior (AP) measurements were obtained on the smallest axial slice. Results: OSA subjects had a significantly smaller average airway area, average airway volume, total airway volume, and mean airway width. OSA subjects had a significantly larger airway length measurement. The mean A-P distance was not significantly different between groups. Conclusion: OSA subjects have a smaller upper airway compared to controls with the exception of airway length. The lack of a significant difference in the mean A-P distance may indicate that patient position during imaging (upright vs. supine) can affect this measurement. Comparison of this study with a future prospective study design will allow for validation of these results.
John Buchanan,Ari Widodo 서울대학교 교육연구소 2016 Asia Pacific Education Review Vol.17 No.2
International mobility programmes and opportunities have enthusiastically been embraced by universities as part of a growing demand for graduates with global, international and intercultural capital on the part of graduates. In this project, we take two universities, one Australian and one Indonesian, as illustrative case studies of some of the commonalities, differences and, in particular, imbalances, with regard to the conduct of international professional experience in the global north and south. Specifically, a recent visit by Indonesian pre-service teachers was used to inform an upcoming visit by Australian pre-service teachers to Indonesia. We used this opportunity to compare the accessibility of travel for Australian and Indonesian pre-service teachers, as illustrations of in/equality of access for northern and southern learners. We hope that this paper will prompt discussion about global imbalances of opportunity with regard to international experiences. We also hope that our mutual interview process adopted for this study might be a useful research tool.