Cortisol, Behavior, and Heart Rate Reactivity to Immunization Pain at 4 Months Corrected Age in Infants Born Very Preterm

Johnston, 1996, Experience in a neonatal intensive care unit affects pain response, Pediatrics, 98, 925, 10.1542/peds.98.5.925

Grunau, 2005, Neonatal procedural pain exposure predicts lower cortisol and behavioral reactivity in preterm infants in the NICU, Pain, 113, 293, 10.1016/j.pain.2004.10.020

Grunau, 2001, Pain reactivity in former extremely low birth weight infants at corrected age 8 months compared with term born controls, Infant Behavior and Development, 24, 41, 10.1016/S0163-6383(01)00065-0

Abdulkader, 2008, Prematurity and neonatal noxious events exert lasting effects on infant pain behaviour, Early Hum Dev, 84, 351, 10.1016/j.earlhumdev.2007.09.018

Grunau, 1994, Pain sensitivity and temperament in extremely low-birth-weight premature toddlers and preterm and full-term controls, Pain, 58, 341, 10.1016/0304-3959(94)90128-7

Buskila, 2003, Pain sensitivity in prematurely born adolescents, Arch Pediatr Adolesc Med, 157, 1079, 10.1001/archpedi.157.11.1079

Hermann, 2006, Long-term alteration of pain sensitivity in school-aged children with early pain experiences, Pain, 125, 278, 10.1016/j.pain.2006.08.026

Schmelzle-Lubiecki, 2007, Long-term consequences of early infant injury and trauma upon somatosensory processing, Eur J Pain, 11, 799, 10.1016/j.ejpain.2006.12.009

Goffaux, 2008, Preterm births: can neonatal pain alter the development of endogenous gating systems?, Eur J Pain, 12, 945, 10.1016/j.ejpain.2008.01.003

Anand, 1999, Long-term behavioral effects of repetitive pain in neonatal rat pups, Physiol Behav, 66, 627, 10.1016/S0031-9384(98)00338-2

Ren, 2004, Characterization of basal and re-inflammation-associated long-term alteration in pain responsivity following short-lasting neonatal local inflammatory insult, Pain, 110, 588, 10.1016/j.pain.2004.04.006

Ririe, 2008, Comparison of the immediate effects of surgical incision on dorsal horn neuronal receptive field size and responses during postnatal development, Anesthesiology, 109, 698, 10.1097/ALN.0b013e3181870a32

Fitzgerald, 2005, The development of nociceptive circuits, Nature Reviews Neuroscience, 6, 507, 10.1038/nrn1701

Chambers, 2003, The role of family factors in pediatric pain, Prog Pain Res Manag, 26, 99

Oberlander, 2000, Biobehavioral pain responses in former extremely low birth weight infants at four months' corrected age, Pediatrics, 105, e6, 10.1542/peds.105.1.e6

Schechter, 2007, Pain reduction during pediatric immunizations: evidence-based review and recommendations, Pediatrics, 119, e1184, 10.1542/peds.2006-1107

Lilley, 1997, The expression of pain in infants and toddlers: developmental changes in facial action, Pain, 72, 161, 10.1016/S0304-3959(97)00034-1

Piira, 2007, Factors associated with infant pain response following an immunization injection, Early Hum Dev, 83, 319, 10.1016/j.earlhumdev.2006.06.007

Ramsay, 2003, Reactivity and regulation in cortisol and behavioral responses to stress, Child Dev, 74, 456, 10.1111/1467-8624.7402009

Braarud, 2006, Maternal soothing and infant stress responses: soothing, crying and adrenocortical activity during inoculation, Infant Behavior and Development, 29, 70, 10.1016/j.infbeh.2005.08.008

Grunau, 2004, Neonatal procedural pain and preterm infant cortisol response to novelty at 8 months, Pediatrics, 114, e77, 10.1542/peds.114.1.e77

Grunau, 2007, Altered basal cortisol levels at 3, 6, 8 and 18 months in infants born at extremely low gestational age, Journal of Pediatrics, 150, 151, 10.1016/j.jpeds.2006.10.053

Buske-Kirschbaum, 2007, Hypothalamic-pituitary-adrenal axis function and the cellular immune response in former preterm children, J Clin Endocrinol Metab, 92, 3429, 10.1210/jc.2006-2223

LaPrairie, 2007, Female rats are more vulnerable to the long-term consequences of neonatal inflammatory injury, Pain, 132, S124, 10.1016/j.pain.2007.08.010

Page, 2005, The impact of early repeated pain experiences on stress responsiveness and emotionality at maturity in rats, Brain Behav Immun, 19, 78, 10.1016/j.bbi.2004.05.002

Gunnar, 1998, Quality of early care and buffering of neuroendocrine stress reactions: potential effects on the developing human brain, Prev Med, 27, 208, 10.1006/pmed.1998.0276

Davis, 2009, Developmental differences in infant salivary alpha-amylase and cortisol responses to stress, Psychoneuroendocrinology, 34, 795, 10.1016/j.psyneuen.2009.02.001

Hanrahan, 2006, Strategies for salivary cortisol collection and analysis in research with children, Appl Nurs Res, 19, 95, 10.1016/j.apnr.2006.02.001

Grunau, 1987, Pain expression in neonates: facial action and cry, Pain, 28, 395, 10.1016/0304-3959(87)90073-X

Tukey, 1977, Exploratory Data Analysis

Glover, 2005, Glucocorticoid exposure in preterm babies predicts saliva cortisol response to immunization at 4 months, Pediatr Res, 58, 1233, 10.1203/01.pdr.0000185132.38209.73

Lewis, 1990, Cortisol release in infants in response to inoculation, Child Dev, 61, 50, 10.2307/1131046

Ipp, 2004, Effects of age, gender and holding on pain response during infant immunization, Can J Clin Pharmacol, 11, e2

Stephan, 2002, Postnatally induced differences in adult pain sensitivity depend on genetics, gender and specific experiences: reversal of maternal deprivation effects by additional postnatal tactile stimulation or chronic imipramine treatment, Behav Brain Res, 133, 149, 10.1016/S0166-4328(01)00468-5

Unruh, 1996, Gender variations in clinical pain experience, Pain, 65, 123, 10.1016/0304-3959(95)00214-6

Matthews, 2002, Early programming of the hypothalamo-pituitary-adrenal axis, Trends Endocrinol Metab, 13, 373, 10.1016/S1043-2760(02)00690-2

Pryce, 2008, Postnatal ontogeny of expression of the corticosteroid receptor genes in mammalian brains: inter-species and intra-species differences, Brain Res Rev, 57, 596, 10.1016/j.brainresrev.2007.08.005

Whitfield, 1997, Extremely premature (<or=800 g) schoolchildren: multiple areas of hidden disability, Arch Dis Child Fetal Neonatal Ed, 77, F85, 10.1136/fn.77.2.F85

White, 2000, Behavioral and physiological responsivity, sleep, and patterns of daily cortisol production in infants with and without colic, Child Dev, 71, 862, 10.1111/1467-8624.00196

Price, 1983, Age of appearance of circadian rhythm in salivary cortisol values in infancy, Arch Dis Child, 58, 454, 10.1136/adc.58.6.454