Detection of cortical arousals in children using frontal EEG leads in addition to conventional central leads.
| Autor: | Kaleyias J; Department of Pediatrics, Division of Neurology, St. Christopher's Hospital for Children, Philadelphia, PA 19134-1095, USA., Grant M, Darbari F, Ajagbe O, Cepelowicz-Rajter J, Kothare SV |
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| Jazyk: | angličtina |
| Zdroj: | Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine [J Clin Sleep Med] 2006 Jul 15; Vol. 2 (3), pp. 305-8. |
| Abstrakt: | Study Objective: This study was designed to assess the efficacy of using Fz as an additional electrode in screening arousals during polysomnography in children. Methods: Polysomnograms from 24 children were randomly selected from a sleep-study database of children from different diagnostic categories. Of the children whose polysomnograms selected, 5 were normal, 5 had severe obstructive sleep apnea syndrome, 5 had mild obstructive sleep apnea syndrome, 5 had snoring, and 4 had periodic limb movement disorder. American Academy of Sleep Medicine criteria for arousal were applied to Fz only, C3/C4 only, or both electrode sites combined. Results: C3/C4 electrode sites picked up 96.33% of arousals in the polysomnograms of children, compared with 87.46% arousals identified at Fz. An additional 3.3% of arousals were identified at Fz that were not detected at C3/C4. The average median number of arousals per subject, accompanied by the interquartile range, was 29 (19.2-39.7) at C3/C4 and 27.5 (19.2-33.7) at FZ, reflecting a significant difference between the two (p = .005). The use of both electrodes sites resulted in the detection of the highest number of arousals per subject, with a median of 29 (20.2-40.7). Conclusion: Unlike findings recently reported in adults, our study detected a higher number of arousals from central electrodes rather than frontal, with the maximum number of arousals obtained using a combination of frontal and central electrodes. A possible explanation for differences in the optimal location for detection of arousals between adults and children is discussed. |
| Databáze: | MEDLINE |
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