PMC10183280_01
Chest X-ray findings. Chest X-ray at the time when the patient first visited to our hospital showed no apparent pulmonary disease.
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A 54-year-old man (body mass index: 26.0 kg/m2) was referred to our hospital with excessive daytime sleepiness (Epworth sleepiness score: 17) without any apparent pulmonary disease (Fig. 1).
Summary data graphs from CPAP tracking system. Summary data graphs from the CPAP tracking system from S10 when the patient was transferred to our hospital. The graphs showed that usage times were good, the AI and AHI were under good control, and the amounts of leaks was well controlled. CSR: Cheyne-stokes respiration, AHI: apnea-hypopnea index, AI: apnea index
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Although his AHI was 3.8 according to tracking system data (Fig. 2, Table 2), we checked his AHI by PSG because of recurrent sleepiness and found it to be 83.3 (AI: 4.1,