8 TI Thermoregulation and heat loss prevention after birth and during
9 neonatal intensive-care unit stabilization of extremely low-birthweight
11 SO JOGNN-JOURNAL OF OBSTETRIC GYNECOLOGIC AND NEONATAL NURSING
14 DE delivery room resuscitation; ELBW infants; hypothermia; neonatal
16 ID PREMATURE-INFANTS; MORTALITY; ASSOCIATION; SURVIVAL; DELIVERY; TRIAL;
18 AB Extremely low-birthweight infants have inefficient thermoregulation due
19 to immaturity and may exhibit cold body temperatures after birth and
20 during their first 12 hours of life. Hypothermia in these infants can
21 lead to increased morbidity and mortality. Anecdotal notes made during
22 our recent study revealed extremely low-birthweight infants'
23 temperatures decreased with caregiver procedures such as umbilical line
24 insertion, intubations, obtaining chest x-rays, manipulating
25 intravenous lines, repositioning, suctioning, and taking vital signs
26 during the first 12 hours of life. Therefore, nursing interventions
27 should be undertaken to prevent heat loss during these caregiver
28 procedures. Nurses can improve the thermal environment for extremely
29 low-birthweight infants by prewarming the delivery room and placing the
30 infant in a plastic bag up to the neck during delivery room
31 stabilization to prevent heat loss.
32 C1 Univ N Carolina, Sch Nursing, Chapel Hill, NC USA.
33 Duke Univ, Sch Nursing, Durham, NC USA.
34 RP Knobel, R, 408 Long Point Rd, Chocowinity, NC 27817 USA.
35 EM rbknobel@earthlink.net
36 CR *AM AC PED AM HEAR, 2005, SUMM MAJOR CHANG GUI
37 *AM AC PED COLL OB, 1988, GID PER CAR
38 ANDERSON P, 1998, FETAL NEONATAL PHYSL, V1, P837
39 ASKIN DF, 2002, JOGNN, V31, P318
40 BARRETT E, 2003, MED PHYSL CELLULAR M, P1035
41 CLOHERTY J, 2003, MANUAL NEONATAL CARE
42 CRAMER K, 2005, J PERINATOLOGY, V25, P763
43 DAY RL, 1964, PEDIATRICS, V34, P171
44 DESHPANDE SA, 1997, ARCH DIS CHILD, V76, F15
45 GUYTON A, 2006, TXB MED PHYSL
46 HAMMARLUND K, 1979, ACTA PAEDIATR SCAND, V68, P795
47 HATAI S, 1902, ANAT ANZEIGER, V21, P369
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49 HORNS K, 2002, ADV NEONATAL CARE, V2, P149
50 HOUSTEK J, 1993, J CLIN ENDOCR METAB, V77, P382
51 HULL D, 1977, SCI FDN OBSTET GYNAE, P540
52 JONES E, 2003, MED PHYSL CELLULAR M, P1190
53 KNOBEL R, 2006, THESIS U N CAROLINA, P1
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55 KNOBEL RB, 2005, J PERINATOL, V25, P514
56 LOUGHEAD MK, 1997, PEDIAT NURS, V23, P11
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62 NECHAD M, 1986, BROWN ADIPOSE TISSUE, P1
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65 SEDIN G, 1995, THERMOREGULATION SIC, P21
66 SERI I, 1998, FETAL NEONATAL PHYSL, V2, P1726
67 SILVERMAN WA, 1958, PEDIATRICS, V22, P876
68 SINCLAIR JC, 1992, EFFECTIVE CARE NEWBO, P40
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73 WIDMAIER J, 2005, VANDERS HUMAN PHYSL
76 PU BLACKWELL PUBLISHING
78 PA 9600 GARSINGTON RD, OXFORD OX4 2DQ, OXON, ENGLAND
89 SC Nursing; Obstetrics & Gynecology
91 UT ISI:000246772100011
100 AF Sandberg, Kenneth L.
105 TI Prenatal nicotine exposure transiently alters the lung mechanical
106 response to hypoxia in young lambs
107 SO RESPIRATORY PHYSIOLOGY & NEUROBIOLOGY
110 DE respiratory physiology; respiratory function tests; nicotine; prenatal
111 exposure; tobacco smoke pollution; hypoxia; sheep
112 ID INFANT-DEATH-SYNDROME; VENTILATORY RESPONSES; CARDIORESPIRATORY
113 RESPONSE; PULMONARY-FUNCTION; CIGARETTE-SMOKING; MATERNAL SMOKING;
114 GENE-EXPRESSION; NEWBORN RAT; SURFACTANT; COTININE
115 AB To test the hypothesis that fetal nicotine exposure alters the lung
116 mechanical response to hypoxia (10% 02) 10 lambs were exposed during
117 the last fetal trimester to a low dose nicotine (LN) and 10 to a
118 moderate dose (MN) (maternal dose 0.5 and 1.5 mg/(kg day) free base,
119 respectively). There were 10 controls (C). At 12 days, minute
120 ventilation increased significantly less in NIN compared with LN but
121 not with C. In contrast to C and LN, MN did not show anticipated
122 increases in dynamic compliance, specific compliance and FRC or
123 decrease in lung resistance but had signs of airway hyperreactivity
124 during hypoxia. Nicotine exposure did not alter the cardiovascular
125 response. These adverse effects decreased with advancing age. In
126 summary, prenatal nicotine exposure alters the lung mechanical response
127 to hypoxia. We speculate that prenatal nicotine-induced alterations of
128 lung mechanics during hypoxia may contribute to an increased
129 vulnerability to hypoxic stress during infancy. (C) 2006 Elsevier B.V.
131 C1 Vanderbilt Univ, Sch Med, Dept Pediat, Nashville, TN 37232 USA.
132 Gothenburg Univ, Dept Women & Child Hlth, SE-41685 Gothenburg, Sweden.
133 RP Sundell, HW, Vanderbilt Univ, Sch Med, Dept Pediat, B-1220,MCN,
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135 EM hakan.sundell@vanderbilt.edu
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195 PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
197 J9 RESPIR PHYSIOL NEUROBIOL
198 JI Respir. Physiol. Neuro.
206 SC Physiology; Respiratory System
208 UT ISI:000246041200006