Abstract

GUARDIA, Sergio et al. Noche Partida: Utilidad y tolerancia comparada con titulación de CPAP en noche completa. Rev. am. med. respir. [online]. 2015, vol.15, n.1, pp.51-61. ISSN 1852-236X.

Introduction: The treatment of choice for obstructive sleep apnea / hypopnea syndrome (OSAHS) is the use of continuous positive airway pressure (CPAP). Effective pressure correcting respiratory events must be determined individually for each patient regardless of the method used. It has been suggested that the split-night polysomnography (SNPSN) may not be appropriate to assess the severity of the disease and patients may have a lower adherence to CPAP. Objetives: To evaluate the utility SNPSG study performance. Materials and Methods: Patients with severe OSAHS were evaluated. They were divided into two groups, SNPSG and full night polysomnography (FNPSG). The success or failure of the CPAP titration was evaluated and both groups were compared by age, sex, body mass index (BMI), neck circumference, Epworth scale, respiratory perturbation index (PRI), basal and lowest saturation. Results: 314 patients were evaluated. SNPSG was conducted on 216 patients (68.8%) and FNPSG on 98 patients. Titration was effective and well tolerated in 159 (73.6%) of the patients undergoing PSGSN. In the group of FNPSG, a second study of titration was performed on 73 patients and 25 were absent. In this group titration was effective in 64 (87.7%) p = 0.013. Patients who failed SNPSG took part in a new FNPSG study, of whom 42 (73.7 %) attended achieving effective pressure in 31 (73.8%). SNPSG mode achieved effective titration at 190 (88%) patients vs 64 (65.3%) from FNPSG group (p < 0.0001). Conclusion: SNPSG has proven to be effective and well tolerated by most patients solving diagnosis and treatment in a single night.

Keywords : Sleep apnea; CPAP; Split night.

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