Predictive tools for nocturnal respiratory failure in patients with moderate and severe OSAS

Portacci, Andrea; Santomasi, Carla; Lecce, Vincenzo Di; Barratta, Federica; Candia, Maria Luisa De; Resta, Onofrio; Carpagnano, Giovanna Elisiana

doi:10.1007/s11325-022-02666-3

Cited by 1 publication

(1 citation statement)

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“…The AHI value evaluates the apnea-hypopnea rate per hour; however, it does not directly evaluate oxygen saturation, which correlates with the severity of OSAS as defined by the AHI [20]. In addition, moderate or higher OSAS cases with an AHI ≥15 have been shown to reduce oxygen saturation [21]. Thus, the AHI value was selected because of its relationship with oxygen saturation.…”

Section: Statistical Analysesmentioning

confidence: 99%

Association of continuous positive airway pressure therapy on cardiac hypertrophy in patients with sleep apnea comorbid with type 2 diabetes mellitus

et al. 2023

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Previous reports indicated the therapeutic effect of chronic continuous positive airway pressure (CPAP) therapy on cardiac hypertrophy due to sleep apnea syndrome. However, little is known for cases involving diabetic complications. This retrospective observational study examined the effects of CPAP therapy on left ventricular hypertrophy (LVH) in patients with obstructive sleep apnea syndrome (OSAS) and type 2 diabetes mellitus (T2DM). For all cases, the observation period was 3 years from the time when the patient was introduced to CPAP therapy. Overall, 123 patients were divided into a good CPAP group (CPAP ≥4 h/day, n = 63) and non-adherence group (CPAP <4 h/day, n = 60). The mean CPAP usage times were 5.58 ± 1.23 and 1.03 ± 1.17 h/day in the good CPAP and non-adherence groups, respectively. Regression tendencies of the thickness of the left ventricular posterior (-0.30 ± 1.19 mm) and interventricular septal walls (-0.48 ± 1.22 mm) were observed in the good CPAP group. Hypertrophic tendencies of the left ventricular posterior wall (+0.59 ± 1.44 mm) and interventricular septal wall thickness (+0.59 ± 1.43) were observed in the non-adherence group. Left ventricular posterior wall thickness (odds ratio, (coefficient: -0.254, p = 0.0376) and interventricular septal wall thickness (coefficient: -0.426, p = 0.0006) were more likely to be greater in the non-adherence group than in the good CPAP group. Patients in the non-adherence group with an apnea hypopnea index ≥30 had increased left ventricular posterior wall thickness (coefficient: -0.263, p = 0.0673) and interventricular septal wall thickness (coefficient: -0.450, p = 0.0011). In conclusion, appropriate CPAP therapy is an effective treatment for LVH in patients with T2DM and OSAS, especially for severe cases.

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Section: Statistical Analysesmentioning

confidence: 99%