Postnatal Growth in Infants Born Between 700 and 1,500 g

Cooke, R. J.; Ford, Alexander C; Werkman, Susan H.; Conner, Cynthia; Watson, Donna

doi:10.1097/00005176-199302000-00006

Cited by 43 publications

(28 citation statements)

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“…2,[5][6][7] The majority of energy and protein deficit occurs within the first two postnatal weeks. 5,8 One of the mechanisms for poor growth in the initial days is delay in the initiation of total parenteral nutrition (TPN), especially protein and lipids after birth. Initiation of amino acid (AA) administration at 1.4-1.6g/kg/day immediately after birth and early administration of enteral feeds are the two most important strategies identified to reduce ongoing energy deficit and subsequent growth failure.…”

Section: Introductionmentioning

confidence: 99%

Safety and efficacy of early amino acids in preterm <28 weeks gestation: prospective observational comparison

et al. 2006

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Objective: To assess the safety and efficacy of early amino acid (AA) administration in preterm neonates <28 weeks gestational age.Study design: Prospective data collection for 1 year for the late AA group (AA started at 12-30 h) and for another year with practice change to early AA administration (immediately after stabilization).Results: Time of initiation of AA differed (early group 4±3 h vs late group 20±6 h; P<0.001). There were no statistically significant differences in the incidence of clinically significant metabolic acidosis. Blood urea at 24 h was higher in the early AA group. No significant differences in growth rate or neonatal outcomes were identified. Days to regain birth weight and sepsis were lower in the early AA group.Conclusions: Early AA administration was not associated with any clinically significant adverse effects; it was associated with reduction in the incidence of sepsis and marginally effective in reducing time to regain birth weight.

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Section: Introductionmentioning

confidence: 99%

Safety and efficacy of early amino acids in preterm <28 weeks gestation: prospective observational comparison

et al. 2006

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“…Many studies have reported postnatal growth that significantly lags behind intrauterine patterns throughout hospitalization and leads to extrauterine growth retardation (EUGR). [1][2][3][4][5][6] Outcomes from a number of studies show that very very low birth weight (VVLBW) (<1000 g) and extremely low birth weight (ELBW) (<750 g) infants often remain physically smaller than term-born peers during infancy and well into childhood [7][8][9][10] and that poor neurodevelopmental outcomes are more common in infants with subnormal postnatal head growth. [8][9][10] The goal in this study was to identify predictors of EUGR in infants <1000 g and to evaluate their nutritional intake and subsequent growth.…”

Section: Introductionmentioning

confidence: 99%

Prediction of Extrauterine Growth Retardation (EUGR) in VVLBW Infants

et al. 2003

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BACKGROUND:Long-term growth failure in very very low birth weight (VVLBW) infants is a common complication of extreme prematurity. Critical illnesses create challenges to adequate nutriture. PURPOSE:To identify predictors of extrauterine growth retardation (EUGR) in VVLBW infants and to evaluate their nutritional intake and subsequent growth. STUDY DESIGN:A 4-year retrospective chart review of 221 infants r1000 g birth weight and r29 weeks gestational age who were admitted within 24 hours of birth, were free of major congenital anomalies and survived at least 7 days. Daily intakes and anthropomorphic data were collected and analyzed. Significant events during hospitalization were documented. RESULTS:Mean energy and protein intakes during hospitalization did not reach recommendations of 120 kcal/kg/d and 3.0 g/kg/day. In utero growth rates could not be consistently reached or sustained. As expected, BW (as measured by BW percentile score) was highly predictive of EUGR (p<0.001). When the independent effect of other predictors of EUGR was considered, only days of total parenteral nutrition (p<0.001) and HC percentile at return to birth weight (p<0.001) made a significant contribution to the prediction of EUGR, once the effect of BW was taken into account.

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“…Other studies (5)(6)(7)(8)(9)(10)(11)(12) have used several methodologies to evaluate preterm infant growth. The assessment of weight gain dynamics during the first weeks of postnatal life in preterm newborns has provided valuable data (10,(13)(14)(15).…”

Section: Introductionmentioning

confidence: 99%

Weight of preterm newborns during the first twelve weeks of life

Anchieta

Xavier

Colosimo

et al. 2003

Braz J Med Biol Res

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A longitudinal and prospective study was carried out at two stateoperated maternity hospitals in Belo Horizonte during 1996 in order to assess the weight of preterm appropriate-for-gestational-age newborns during the first twelve weeks of life. Two hundred and sixty appropriate-for-gestational-age preterm infants with birth weight <2500 g were evaluated weekly. The infants were divided into groups based on birth weight at 250-g intervals. Using weight means, somatic growth curves were constructed and adjusted to Count's model. Absolute (g/day) and relative (g kg -1 day -1 ) velocity curves were obtained from a derivative of this model. The growth curve was characterized by weight loss during the 1st week (4-6 days) ranging from 5.9 to 13.3% (the greater the percentage, the lower the birth weight), recovery of birth weight within 17 and 21 days, and increasingly higher rates of weight gain after the 3rd week. These rates were proportional to birth weight when expressed as g/day (the lowest and the highest birth weight neonates gained 15.9 and 30.1 g/day, respectively). However, if expressed as g kg -1 day -1 , the rates were inversely proportional to birth weight (during the 3rd week, the lowest and the highest weight newborns gained 18.0 and 11.5 g kg -1 day -1 , respectively). During the 12th week the rates were similar for all groups (7.5 to 10.2 g kg -1 day -1 ). The relative velocity accurately reflects weight gain of preterm infants who are appropriate for gestational age and, in the present study, it was inversely proportional to birth weight, with a peak during the 3rd week of life, and a homogeneous behavior during the 12th week for all weight groups.

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Postnatal Growth in Infants Born Between 700 and 1,500 g

Cited by 43 publications

References 0 publications

Safety and efficacy of early amino acids in preterm <28 weeks gestation: prospective observational comparison

Safety and efficacy of early amino acids in preterm <28 weeks gestation: prospective observational comparison

Prediction of Extrauterine Growth Retardation (EUGR) in VVLBW Infants

Weight of preterm newborns during the first twelve weeks of life

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