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Inverse relationship between birth weight and blood pressure in growth-retarded but not in appropriate for gestational age infants during the first week of life.
Neonatology. 2009; 96(2):86-92.N

Abstract

BACKGROUND

Various studies have shown an association between low birth weight and the prevalence of elevated blood pressure later in life. However, a relationship between birth weight and blood pressure in the neonatal period has not been investigated yet.

OBJECTIVE

To study the relationship between birth weight and blood pressure during the first week of life.

METHODS

Systolic blood pressure (SBP), diastolic blood pressure (DBP) and mean arterial blood pressure (MBP) were measured every 8 h during days 1, 2, 3, 4 and 7 in 44 small for gestational age (SGA) infants and compared with those of infants born with a birth weight appropriate for gestational age (AGA). The infants were matched for gestational age and gender.

RESULTS

Meanbirth weight (range) in the SGA group was 778 (460-1,400) g versus 1,524 (960-2,730) g in the AGA group, and mean (range) gestational age of both groups was 30.5 (27.3-35.5) weeks. In the first week of life, SGA and AGA infants had similar SBP, DBP and MBP. Also, after adjustment for confounders (maternal medication, smoking), SBP, DBP and MBP rose equally in SGA and AGA infants during the first week of life. AGA infants showed a positive correlation between birth weight and blood pressure, but SGA infants showed an inverse correlation.

CONCLUSIONS

Although differences in blood pressure were found between SGA and AGA infants in the first week of life, the inverse relationship between birth weight and blood pressure in SGA infants warrants follow-up studies to investigate a possible link with late cardiovascular disease.

Authors+Show Affiliations

Perinatal Center, University Medical Center/Wilhelmina Children's Hospital, Utrecht, The Netherlands.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

19225240

Citation

Smal, Jaime C., et al. "Inverse Relationship Between Birth Weight and Blood Pressure in Growth-retarded but Not in Appropriate for Gestational Age Infants During the First Week of Life." Neonatology, vol. 96, no. 2, 2009, pp. 86-92.
Smal JC, Uiterwaal CS, Bruinse HW, et al. Inverse relationship between birth weight and blood pressure in growth-retarded but not in appropriate for gestational age infants during the first week of life. Neonatology. 2009;96(2):86-92.
Smal, J. C., Uiterwaal, C. S., Bruinse, H. W., Steendijk, P., & van Bel, F. (2009). Inverse relationship between birth weight and blood pressure in growth-retarded but not in appropriate for gestational age infants during the first week of life. Neonatology, 96(2), 86-92. https://doi.org/10.1159/000203338
Smal JC, et al. Inverse Relationship Between Birth Weight and Blood Pressure in Growth-retarded but Not in Appropriate for Gestational Age Infants During the First Week of Life. Neonatology. 2009;96(2):86-92. PubMed PMID: 19225240.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Inverse relationship between birth weight and blood pressure in growth-retarded but not in appropriate for gestational age infants during the first week of life. AU - Smal,Jaime C, AU - Uiterwaal,Cuno S P M, AU - Bruinse,Hein W, AU - Steendijk,Paul, AU - van Bel,Frank, Y1 - 2009/02/19/ PY - 2007/10/03/received PY - 2008/06/23/accepted PY - 2009/2/20/entrez PY - 2009/2/20/pubmed PY - 2009/11/7/medline SP - 86 EP - 92 JF - Neonatology JO - Neonatology VL - 96 IS - 2 N2 - BACKGROUND: Various studies have shown an association between low birth weight and the prevalence of elevated blood pressure later in life. However, a relationship between birth weight and blood pressure in the neonatal period has not been investigated yet. OBJECTIVE: To study the relationship between birth weight and blood pressure during the first week of life. METHODS: Systolic blood pressure (SBP), diastolic blood pressure (DBP) and mean arterial blood pressure (MBP) were measured every 8 h during days 1, 2, 3, 4 and 7 in 44 small for gestational age (SGA) infants and compared with those of infants born with a birth weight appropriate for gestational age (AGA). The infants were matched for gestational age and gender. RESULTS: Meanbirth weight (range) in the SGA group was 778 (460-1,400) g versus 1,524 (960-2,730) g in the AGA group, and mean (range) gestational age of both groups was 30.5 (27.3-35.5) weeks. In the first week of life, SGA and AGA infants had similar SBP, DBP and MBP. Also, after adjustment for confounders (maternal medication, smoking), SBP, DBP and MBP rose equally in SGA and AGA infants during the first week of life. AGA infants showed a positive correlation between birth weight and blood pressure, but SGA infants showed an inverse correlation. CONCLUSIONS: Although differences in blood pressure were found between SGA and AGA infants in the first week of life, the inverse relationship between birth weight and blood pressure in SGA infants warrants follow-up studies to investigate a possible link with late cardiovascular disease. SN - 1661-7819 UR - https://www.unboundmedicine.com/medline/citation/19225240/Inverse_relationship_between_birth_weight_and_blood_pressure_in_growth_retarded_but_not_in_appropriate_for_gestational_age_infants_during_the_first_week_of_life_ L2 - https://www.karger.com?DOI=10.1159/000203338 DB - PRIME DP - Unbound Medicine ER -