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Inferior Turbinate Size and CPAP Titration Based Treatment Pressures: No Association Found among Patients Who Have Not Had Nasal Surgery
Objective: To evaluate the effect of turbinate sizes on the titrated continuous positive airway pressure (CPAP) therapeutic treatment pressures for patients with obstructive sleep apnea (OSA) who have not had nasal surgery. Study Design: Retrospective case series. Methods: Achart reviewwas performed for 250 consecutive patients. Results: 45 patientsmet inclusion criteria. The mean ± standard deviation (M ± SD) for age was 54.6 ± 22.4 years and for body mass index was 28.5 ± 5.9 kg/m2. The Spearman's rank correlation coefficient (γs) between CPAP therapeutic treatment pressures and several variables were calculated and were weakly correlated (age γs = 0.29, nasal obstruction γs = −0.30), moderately correlated (body mass index γs = 0.42 and lowest oxygen saturation γs = −0.47), or strongly correlated (apnea-hypopnea index γs = 0.60 and oxygen desaturation index (γs = 0.62)). No statistical significance was found with one-way analysis of variance (ANOVA) between CPAP therapeutic treatment pressures and inferior turbinate size (right turbinates ρ value = 0.2012, left turbinate ρ value = 0.3064), nasal septal deviation (ρ value = 0.4979), or mask type (ρ value = 0.5136). Conclusion: In this study, CPAP titration based therapeutic treatment pressures were not found to be associated with inferior turbinate sizes; however, the CPAP therapeutic treatment pressures were strongly correlated with apneahypopnea index and oxygen desaturation index.
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