SLEEP-DISORDERED BREATHING IN A PATIENT WITH CONGENITAL MYOPATHY

A case of adult onset myopathy who showed a peculiar sleep-related res piratory disorder (SRRD) is reported. She recovered from respiratory f ailure after tracheostomy and/or with the aid of the respirator used o nly during the night. Sleep study without the use of respirator reveal ed that her sleep was highly fragmented by frequent arousal responses due to inspiratory effort but not by apnea or hypopnea. To our knowled ge this type of SRRD has not been described.