Cerebral palsy: potential risk factors and functional status among children under three years, a case-control study in northwest Iran

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BACKGROUND: Cerebral palsy (CP) is one of the most common motor-postural disorders in childhood. It occurs due to impairment in the developing brain-before, during, or after birth-and has a significant burden on the public health system. This study aimed to investigate the potential risk factors and detect the associated CP-related disorders. METHODS: This case-control study was conducted on 46 children with CP and 175 matched healthy children less than three years old who referred to the Children's Hospital, Tabriz, Iran in 2022. Then, a checklist related to the mother's medical history during current and previous pregnancies, a questionnaire related to perinatal factors of the newborn, types of CP, concurrent disorders, the Gross Motor Function Classification System (GMFCS), and Age and Stage Questionaire (ASQ) were completed. Data was analyzed using Statistical Package for the Social Sciences) SPSS(-21 software by descriptive and analytical statistics consisted of Chi-square, Independent t-test, and Binary logistic regression. RESULTS: Finally, 35 children with CP and 122 healthy children completed the study and were analyzed. The mean (standard deviation: SD) age of children in the CP group was 15.3 (6.2) and in the healthy group was 14.4 (6.6) months (p = 0.635). Spastic CP (82.9%) was the common type, and the most common prevailing form of the involved limb was quadriplegia (54.3%). The severity of the functional disorder in 39.3% of CP cases was at levels 4 and 5 (severe form). The most prevalent comorbidities were inability to walk (31.4%), speech delay (22.9%), epilepsy (11.4), and strabismus (8.6%). Children with CP had abnormal development in gross motor (82.9%), problem-solving (68.6%), personal-social (65.7%), fine motor (60%), and communication (54.3%). Moreover, duration of pregnancy (p = 0.023), birth weight lower than 2500 g (p = 0.002), problems in the current pregnancy [adjusted odds ratio (aOR) [95% CI]: 3.06 (1.87 to 8.54); p = 0.013] and problems in previous pregnancy ([aOR (95% CI): 4.8 (1.6 to 14.2); p = 0.005) were potential risk factors. CONCLUSION: Due to accompanying movement, vision, and speech problems, especially high developmental disorders in children with CP, necessary measures to prevent the identified risk factors are very important.

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