Sleep and salivary cortisol in preterm neonates: a clinical, randomized, controlled, crossover study

Araújo, Fabrícia Magalhães; Peterlini, Maria Angélica Sorgini; Avelar, Ariane Ferreira Machado; Pradella-Hallinan, Márcia; Tsunemi, Miriam Harumi; Pinheiro, Eliana Moreira

doi:10.1590/0034-7167-2017-0546

Cited by 5 publications

(2 citation statements)

References 23 publications

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“…Serum cortisol is highly correlated with salivary cortisol measured in preterm infants [ 18 ]; however, there are few studies in the literature examining stress regulation in preterm infants measured by salivary cortisol levels that address the kangaroo method. Salivary cortisol has the limitation of having to require a sufficient amount of saliva for analysis due to the peculiar hyposalivation of preterm infants [ 19 ] despite the use of a stimulant [ 20 ]. Some studies have focused on maternal separation, examining stress and neuroendocrine responses to separation [ 21 ], but only a few studies have focused on early separation of preterm infants and the importance of maternal contact in the first few days and weeks of life [ 22 ].…”

Section: Introductionmentioning

confidence: 99%

Benefits of Kangaroo Mother Care on the Physiological Stress Parameters of Preterm Infants and Mothers in Neonatal Intensive Care

Cañadas

Carreño

Borja

et al. 2022

IJERPH

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It is well documented that the stress of separation of mother and baby can lead to short-term physiological instability as well as neurological, sociological or psychological consequences that may last a lifetime. Objective: The goal was to estimate the effect of kangaroo mother care (KMC) on physiological and biochemical parameters of preterm infant stress and maternal stress in neonatal intensive care. Methods: The investigation involved 112 preterm infants. Two groups were compared according to the mean duration of KMC during 12 days of study: the KMC group (mean duration more than 90 min daily) and the control group (less than 90 min). Results: Kangaroo mother care for more than 90 min on average per day in preterm infants is associated 12 days after the intervention with lower mean cortisol levels (p = 0.02), greater weight gain and less need for parenteral nutrition in preterm infants, as well as less postpartum depression (p = 0.02) and lower cortisol levels (p = 0.002) in the mothers of preterm infants. Conclusions: This study suggests that KMC can be used to improve the stress of preterm infants and their mothers, and that the greater weight gain observed in these preterm infants could contribute to a shorter average hospital stay and lower healthcare expenditure.

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Section: Introductionmentioning

confidence: 99%

Benefits of Kangaroo Mother Care on the Physiological Stress Parameters of Preterm Infants and Mothers in Neonatal Intensive Care

Cañadas

Carreño

Borja

et al. 2022

IJERPH

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“…Other studies involving cortisol often investigate diseases due to deficiency or excess secretion of this hormone in order to assess the physiological response to any stressful event (16)(17) . However, searches in the literature have shown that research on the subject with nurses from oncology sectors is still scarce, especially in Brazil, and mostly carried out with hospitalized patients in different hospital units (18)(19)(20) .…”

Section: Introductionmentioning

confidence: 99%

Salivary cortisol concentrations in hematogy/oncology nurses on working days and days off

et al. 2021

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Objective: to assess salivary cortisol concentrations in hematology/oncology nurses on working days and days off. Methods: a cross-sectional study carried out with 28 nurses from a university hospital. A sociodemographic, employment and health profile questionnaire was applied. For saliva collection, Salivette® tubes were used. Descriptive and analytical analysis was used. Results: there was no significant difference in cortisol concentrations between working days and days off (p>0.05). The high cortisol concentration was associated with not having children (0.621±0.340; p=0.046), not using medication (0.623±0.133; p=0.017) and birth control pills (0.556 ± 0.228; p=0.047) and intention to leave work (0.951±0.154; p=0.001). A positive correlation was identified between cortisol and absence from work due to health issues (0.72; p=0.05) and weight gain (0.935; p=0.02). Conclusion: in general, cortisol concentration is within the reference parameters, with no significant difference in its secretion on working days and days off.

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Effect of a noise reduction program on stress of premature neonates in neonatal intensive care unit

Gholami

Borimnejad²,

Jafari³

et al. 2023

Journal of Neonatal Nursing

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Sleep and salivary cortisol in preterm neonates: a clinical, randomized, controlled, crossover study

Abstract: Ear protectors in preterm neonates did not influence the salivary cortisol level and total sleep time in the studied periods.

Cited by 5 publications

References 23 publications

Benefits of Kangaroo Mother Care on the Physiological Stress Parameters of Preterm Infants and Mothers in Neonatal Intensive Care

Benefits of Kangaroo Mother Care on the Physiological Stress Parameters of Preterm Infants and Mothers in Neonatal Intensive Care

Salivary cortisol concentrations in hematogy/oncology nurses on working days and days off

Effect of a noise reduction program on stress of premature neonates in neonatal intensive care unit

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