Assessment of parents´ knowledge regarding phenylketonuria and its affecting factors: a cross-sectional study.

Introduction: the management of phenylketonuria (PKU) is complex. Practical skills and knowledge of individuals taking care of PKU patients are important for treatment compliance. This study investigated parents´ knowledge about PKU and its affecting factors.

Depression and anxiety among parents of phenylketonuria children.

Objective: To investigate the existence of depression and/or anxiety with underlying risk factors among parents of children with classical phenylketonuria (PKU).

Methods: This cross-sectional study was conducted in the Division of Pediatric Metabolism, Ankara Children`s Hospital, Dokuz Eylul University, Kirikkale University, and Erzurum Local Research Hospital, Turkey, between January and July 2014. Parents of 61 patients and 36 healthy controls completed the self-report questionnaires.

Sleep problems of adolescents: A detailed survey.

We investigated the sleep problems and sleep habits of adolescents at three public primary schools and two high schools. Our study included 428 Turkish school children (244 girls and 184 boys). We used a questionnaire to determine the time they went to sleep at night; waking time in the morning; incidence of nightmares, snoring, daytime sleepiness, and intrafamilial physical trauma; concentration difficulty in class; and school success.

NMR-Based Screening for Inborn Errors of Metabolism: Initial Results from a Study on Turkish Neonates.

Approximately 1 in 400 neonates in Turkey is affected by inherited metabolic diseases. This high prevalence is at least in part due to consanguineous marriages. Standard screening in Turkey now covers only three metabolic diseases (phenylketonuria, congenital hypothyroidism, and biotinidase deficiency).

Nutritional status of children with cerebral palsy in Turkey.

Purpose: The aim of this study was to assess the nutritional status, and provide information regarding anthropometric measurements of cerebral-palsied children living in the city of Ankara, Turkey.

Method: A total of 447 children with cerebral palsy (CP) were participated in this cross-sectional study. Participants were assessed for functional motor impairment by the gross motor function classification system (GMFCS).

Subjective tinnitus and hearing problems in adolescents.

Objectives: We investigated the hearing problems and tinnitus frequencies in adolescents at three public primary and two high schools.

Methods: This study was carried out at three public primary and two high schools. 428 Turkish school children (244 girls, 184 boys) were asked to voluntarily answer a set of questionnaires in their classrooms at the beginning of the training program.