An evaluation of the effects of video modelling on the first-night effect in polysomonography examination of patients wi

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ORIGINAL ARTICLE

An evaluation of the effects of video modelling on the first‑night effect in polysomonography examination of patients with obstructive sleep apnea Mehmet Metin1   · Mustafa Avcu1  Received: 28 January 2020 / Accepted: 24 April 2020 © Japanese Society of Sleep Research 2020

Abstract The aim of this study was to evaluate the effect on patient anxiety and first-night effect (FNE) of a video modelling application, which has an important place in behavioural information practices. A total of 232 adolescent and adult patients with suspected obstructive sleep apnea were randomly separated into groups within two age ranges using the sealed envelope method. Group 1 (14–18 years, n: 40) and group 3 (19–65 years, n: 76) were verbally informed about the polysomnography (PSG) procedure. The patients in group 2 (14–18 years, n: 37) and group 4 (19–65 years, n: 79) were shown a training video of PSG procedure. Anxiety levels of the patients in groups 2 and 4 were seen to have significantly reduced, and when these groups were compared, the decrease was seen to be more significant in the adolescent patients (p  0.05 for all). There was a difference between the REM latency and sleep latency values on the 2 days, and this was at a low level of significance in the video modelling group. Video modelling was seen to be effective in reducing patient anxiety and it was concluded that it could be used to reduce FNE. Keywords  Video modelling · Obstructive sleep apnea · Anxiety · First-night effect · Polysomnography

Introductıon Sleep disorders are a serious health problem affecting approximately 10% of the general population and causing performance loss of approximately 60 billion USD per year. Previous studies have shown the effects on sleep disorders of various factors such as age and gender [1–3] and anxiety [4]. Polysomnography (PSG) examination is the gold standard method in the diagnosis of sleep disorders and is generally performed in a special laboratory [5]. However, it is known that the sleep structure can be changed in a sleep laboratory. First-night effect (FNE) is a well-known phenomenon that was first described in 1964 [6] and was reported in detail 2 years later [7], which is thought to arise from poor * Mehmet Metin [email protected] Mustafa Avcu [email protected] 1



Department of Otorhinolaryngology, Ahi Evran University Training and Research Hospital, Kırşehir, Turkey

adaptation of the subject to the strange environment of the sleep laboratory and the technical equipment used for PSG. The basic characteristics of this effect are a short total sleep time (TST), short REM sleep, a lower sleep efficiency index, and delayed REM sleep [3, 8, 9]. Previous studies have reported that personal characteristics, such as trait anxiety, are a potential reason for FNE [10, 11]. There are a few studies in the literature related to the reduction of FNE [3, 11, 12]. Informing the patient about a procedure that is to be applied is known to be one of the important stages of diagnosis and treatment in providin