Transepidermal Water Loss during Sleep in Infants

Kahn, André; Rebuffat, Elisabeth; Blum, Davi Francisco Casa; Sottiaux, Martine; Merckt, Carine Van De; Dramaix, M.; Montauk, Lance

doi:10.1093/sleep/10.2.111

Cited by 9 publications

(8 citation statements)

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“…At the same time symptoms more attributable to an increased sympathetic activity such as profuse night sweats have been noted 9. Although seemingly contradictory, these results of both vagal and sympathetic hyperactivity are in agreement with the present findings suggesting a sympatheticovagal imbalance rather than vagal or sympathetic hyperactivity alone.…”

Section: Discussionsupporting

confidence: 89%

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Heart rate response profiles during head upright tilt test in infants with apparent life threatening events

Edner

Katz‐Salamon

Lagercrantz

et al. 1997

Archives of Disease in Childhood

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Sympatheticovagal imbalance causing episodes of severe bradycardia has been suggested as a cause of apparent life threatening events (ALTEs). The autonomic control of the heart rate in 18 infants with ALTEs and 12 controls was evaluated by the head upright tilt test. Five diVerent heart rate response profiles (compared with the baseline) were observed during the tilt: (1) increase followed by a decrease and return to baseline; (2) sustained increase; (3) decrease followed by an increase and return to baseline; (4) sustained decrease; (5) no change. Eighty eight per cent of controls responded with heart rate increase followed by decrease or sustained increase compared with 55% of infants with an ALTE; a significantly greater proportion of infants with ALTEs than controls responded with heart rate decrease or no change in rate (45% v 8%). This altered reaction during a head upright tilt test may be an expression of an underlying autonomic dysfunction in infants who have experienced an ALTE.

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Section: Discussionsupporting

confidence: 89%

“…This instability in cardiorespiratory function appears to be related to a general autonomic imbalance. Increased vagal tone, as evidenced by an exaggerated bradycardia in response to eyeball pressure7 or laryngeal water instillation8 and excessive night sweats9 suggestive of increased sympathetic tone, have both been demonstrated in infants with ALTEs.…”

mentioning

confidence: 99%

Heart rate response profiles during head upright tilt test in infants with apparent life threatening events

Edner

Katz‐Salamon

Lagercrantz

et al. 1997

Archives of Disease in Childhood

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“…Sleep hyperhydrosis (factor six) was associated with sleep apnoea (Brouillette et al 1984;Guilleminault 1987) and sudden infant death syndrome (Kahn et al 1987). Although an association between sleep apnoea and excessive sweating has been reported, these results showed that the correlation between the SBD and SHY factor was low (u=0.13), indicating that based on parents' ratings the two conditions are not related to each other.…”

Section: Discussionmentioning

confidence: 73%

The Sleep Disturbance Scale for Children (SDSC) Construct ion and validation of an instrument to evaluate sleep disturbances in childhood and adolescence

Bruni

Ottaviano

Guidetti

et al. 1996

Journal of Sleep Research

1,014

813

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SUMMARYTo attempt a categorization of sleep disorders in children, we developed a 27 item Likert-type rating scale (Sleep Disturbance Scale for Children: SDSC) and assessed the psychometric properties was developed. The scale was distributed to the mothers of 1304 children (1 157 controls, mean age 9 . 8~; 147 sleep disorder subjects, mean age 9.2y, composed of four clinical groups: Insomnia 39 subjects, Hypersomnia 12 subjects, Respiratory disturbances during sleep 25 subjects and Parasomnias 7 1 subjects). The internal consistency was high in controls (0.79) and remained at a satisfactory level in sleep disorder subjects (0.71); the testhetest reliability was adequate for the total (I. =0.71) and single item scores. The factor analysis (variance explained 44.21%) yielded six factors which represented the most common areas of sleep disorders in childhood and adolescence. Enuresis was the only item with a factor loading lower than 0.40 and with a low inter-item correlation and was therefore eliminated, resulting in a final scale of 26 items. The re-evaluation of the sample, using the factor scores, supported the validity and the discriminating capacity of the scales between controls and the four clinical groups. The correlation between factor scores corroborated the hypothesis that childhood sleep disturbances are not independent entities nor do they cluster into different groupings related to each other. The SDSC appears to be a useful tool in evaluating the sleep disturbances of school-age children in clinical and nonclinical populations.

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“…The milk intake of each individual pup was determined as the difference in body weight just before and after lactation. In the XII nerve‐injured pups, body weight loss sometimes occurred after lactation due to lack of milk intake and transepidermal water loss (Kahn et al, 1987; Thijs et al, 1996). In such cases, no milk was detected in the stomach of the pups after lactation, and thus we regarded their milk intake as zero.…”

Section: Methodsmentioning

confidence: 99%

Effects of hypoglossal and facial nerve injuries on milk‐suckling

Fujita

Yokouchi

Fukuyama

et al. 2005

Intl J of Devlp Neuroscience

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Functional roles of the perioral anatomical structures involved in breastfeeding were examined in newborn rat pups in which the hypoglossal (XII) and facial (VII) nerves had been resected at the neonatal stage. The XII nerve controls tongue movement and is comprised of two functionally distinct branches: the medial branch related to protrusion of the tongue and the lateral branch related to its retraction. Newborn rat pups with bilateral resection of either of the XII nerve components (main trunk: XII-trunk; medial branch: XII-med; lateral branch: XII-lat) failed to suckle milk and did not survive. Unilateral XII nerve-resected neonates showed different milk-suckling capabilities, which thus resulted in differences in survival rate (XII-trunk: 38%; XII-med: 24%; XII-lat: 92%) and postnatal growth during the postnatal 3 weeks until P21. Unilateral and bilateral resections of the VII nerve innervating the buccolabial musculature produced lowered suckling capabilities and retarded postnatal growth, although all pups showed 100% survival. The results indicate a crucial role of the tongue, especially of protruding muscular elements innervated by the XII-med nerve, in breastfeeding. The results also indicate differential effects of the VII and XII nerve components on suckling capability, survival, and postnatal growth of newborn rat pups.

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Transepidermal Water Loss during Sleep in Infants

Cited by 9 publications

References 0 publications

Heart rate response profiles during head upright tilt test in infants with apparent life threatening events

Heart rate response profiles during head upright tilt test in infants with apparent life threatening events

The Sleep Disturbance Scale for Children (SDSC) Construct ion and validation of an instrument to evaluate sleep disturbances in childhood and adolescence

Effects of hypoglossal and facial nerve injuries on milk‐suckling

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