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Neurocognitive abilities in children with adenotonsillar hypertrophy
Piotr Kurnatowski1, Leszek Putyński, Magdalena Lapienis
1Department of Biology and Medical Genetics, Medical University, pl. Hallera 1 Building No. 2, 90-647 Lódź, Poland. pkurnatowski@yahoo.com
Insights
Children with adenotonsillar hypertrophy and sleep apnea experience neurocognitive deficits, including memory and attention problems. Early recognition and treatment are crucial for aiding child development and cognitive stimulation.
Area of Science:
- Pediatric Neurology
- Sleep Medicine
- Developmental Psychology
Background:
- Adenotonsillar hypertrophy is a common cause of obstructive sleep apnea (OSA) in children.
- Pediatric OSA can lead to detrimental effects such as hypoxemia, impacting brain development and cognitive function.
- Neurocognitive deficits, including issues with sensorimotor coordination, perception, memory, learning, attention, and language, are potential consequences of pediatric OSA.
Purpose of the Study:
- To investigate the influence of adenotonsillar hypertrophy-induced obstructive sleep apnea on neurocognitive abnormalities in children.
- To assess specific cognitive domains including sensorimotor coordination, perception, memory, learning, concentration, attention, and language reception.
Main Methods:
- A study involving 221 children, with 117 diagnosed with sleep apnea due to adenotonsillar hypertrophy and 104 healthy controls.
- Psychological assessments were conducted using tests such as the Token Test (TT), Diagnosis Test of Brain Dysfunction (DCS-test), Luria Auditory Verbal Learning Test (LAVLT), and Rey Complex Figure Test (RCFT).
- These tests evaluated sensorimotor integration, perception, memory, learning abilities, and language dysfunction.
Main Results:
- Children aged 6-9 years with adenotonsillar hypertrophy and sleep apnea exhibited neurocognitive abnormalities: memory problems, attention deficits, learning disabilities, language dysfunction, and reduced sensorimotor integration and perception.
- Older children (10-13 years) with the same condition showed memory problems and learning disabilities, likely secondary to attention deficits, and more severe language dysfunction.
Conclusions:
- Pediatric sleep apnea, linked to adenotonsillar hypertrophy, can result in significant neurocognitive deficits.
- Findings can inform surgical decisions in ambiguous cases and highlight the importance of recognizing and treating sleep apnea to support cognitive development and provide necessary stimulation.
Objective:
Sleep apnea is one of the most deleterious disorders in children with adenotonsillar hypertrophy because it can induce hypoxemia of brain. Sleep apnea may lead to failure to thrive or to physical and mental delay in development, including cognitive disturbances. The aim of this study was to analyze the influence of adenotonsillar hypertrophy, causing obstructive sleep apnea on neurocognitive abnormalities. We were interested in sensorimotor coordination, perception, memory, learning ability, concentration, focused attention and language reception.
Materials And Methods:
We examined 221 children. One-hundred and seventeen children had sleep apnea caused by adenotonsillar hypertrophy: 87 children aged 6-9 years and 34 children aged 10-13 years. The control group, without adenotonsillar hypertrophy, consisted of 104 healthy children. Both groups of children with and without apnea were examined psychologically to determine abilities and minor neurocognitive deficit. The token test (TT), diagnosis test of brain dysfunction (DCS-test), Luria auditory verbal learning test (LAVLT) and Rey complex figure test (RCFT) were applied to both groups. The tests: TT, DCS-test, RCFT were used to investigate the level of sensorimotor integration and perception processes. Memory and learning abilities were measured using LAVLT. The TT assessed language dysfunction in children.
Results:
This study shows that adenotonsillar hypertrophy in children aged 6-9 years is associated with neurocognitive abnormalities such as: memory problems, concentration of attention deficits, learning disability, language dysfunction, lower sensorimotor integration and perception. The older children (aged 10-13 years) with adenotonsillar hypertrophy had memory problems and learning disabilities. They are likely to be caused by of concentration of attention deficits. The older children were found to have more severe language dysfunction.
Conclusions:
Our study shows that sleep apnea may lead to neurocognitive deficits. The results may be helpful in the process of making decision for or against surgery in doubtful cases. It is important to know the problems connected with apnea in order to recognize them and help the child develop by providing adequate treatment and cognitive stimulation.
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