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Incidence and risk factors of iron deficiency anemia in term infants.
J Med Assoc Thai 2005; 88(1):45-51JM

Abstract

OBJECTIVE

To compare the incidence of iron deficiency anemia (IDA) between breast-fed (BF) and formula-fed (FF) infants and to identify the risk factors of IDA in these infants.

DESIGN

Cohort study.

MATERIAL AND METHOD

A study of 140 full- term infants (70 BF and 70 FF) was conducted at BMA Medical College and Vajira Hospital from February 2002 to November 2003. All infants were followed at the age of 1, 2, 4, 6, 9 and 12 months for growth and developmental assessment. Blood samples were analyzed for hemoglobin (Hb), hematocrit (Hct) and mean corpuscular volume (MCV) at 9 - 12 months; and infants with Hb < 11.0 g/dl were further investigated for the cause of anemia.

RESULTS

The mean values of Hb, Hct, MCV and serum ferritin of BF infants were 10.8 g/dl, 32.8%, 70.9fl and 16.7 ng/ml respectively, which were significantly lower than those of FF infants (11.4 g/dl, 35.1%, 73.3fl, and 36.9 ng/ml, p < 0. 05). Anemia was found in 27 BF infants (38.6%) compared with 10 FF infants (14.39%). The incidence of IDA in BF infants was significantly higher than FF infants (25.7% vs 2.9%, p < 0.001). Risk factors of IDA included low birth weight, breastfeeding and inadequate complementary food (adjusted RR (95% CI): 3.1(1.1 - 9.1), 6.3(1.5 - 25.0), 7.7(2.8 - 20.0), respectively).

CONCLUSION

IDA is more prevalent in BF than FF infants. Risk factors of IDA are low birth weight, breastfeeding and inadequate complementary food. Prevention of IDA in infants should be achieved through adequate iron-rich complementary food and screening for Hb or Hct at 9 - 12 months of age in high risk infants.

Authors+Show Affiliations

Department of Pediatrics, BMA Medical College and Vajira Hospital, 681 Samsen Rd, Dusit, Bangkok 10300, Thailand. supapantan@hotmail.comNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article

Language

eng

PubMed ID

15960216

Citation

Tantracheewathorn, Supapan, and Sirin Lohajaroensub. "Incidence and Risk Factors of Iron Deficiency Anemia in Term Infants." Journal of the Medical Association of Thailand = Chotmaihet Thangphaet, vol. 88, no. 1, 2005, pp. 45-51.
Tantracheewathorn S, Lohajaroensub S. Incidence and risk factors of iron deficiency anemia in term infants. J Med Assoc Thai. 2005;88(1):45-51.
Tantracheewathorn, S., & Lohajaroensub, S. (2005). Incidence and risk factors of iron deficiency anemia in term infants. Journal of the Medical Association of Thailand = Chotmaihet Thangphaet, 88(1), pp. 45-51.
Tantracheewathorn S, Lohajaroensub S. Incidence and Risk Factors of Iron Deficiency Anemia in Term Infants. J Med Assoc Thai. 2005;88(1):45-51. PubMed PMID: 15960216.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Incidence and risk factors of iron deficiency anemia in term infants. AU - Tantracheewathorn,Supapan, AU - Lohajaroensub,Sirin, PY - 2005/6/18/pubmed PY - 2005/8/5/medline PY - 2005/6/18/entrez SP - 45 EP - 51 JF - Journal of the Medical Association of Thailand = Chotmaihet thangphaet JO - J Med Assoc Thai VL - 88 IS - 1 N2 - OBJECTIVE: To compare the incidence of iron deficiency anemia (IDA) between breast-fed (BF) and formula-fed (FF) infants and to identify the risk factors of IDA in these infants. DESIGN: Cohort study. MATERIAL AND METHOD: A study of 140 full- term infants (70 BF and 70 FF) was conducted at BMA Medical College and Vajira Hospital from February 2002 to November 2003. All infants were followed at the age of 1, 2, 4, 6, 9 and 12 months for growth and developmental assessment. Blood samples were analyzed for hemoglobin (Hb), hematocrit (Hct) and mean corpuscular volume (MCV) at 9 - 12 months; and infants with Hb < 11.0 g/dl were further investigated for the cause of anemia. RESULTS: The mean values of Hb, Hct, MCV and serum ferritin of BF infants were 10.8 g/dl, 32.8%, 70.9fl and 16.7 ng/ml respectively, which were significantly lower than those of FF infants (11.4 g/dl, 35.1%, 73.3fl, and 36.9 ng/ml, p < 0. 05). Anemia was found in 27 BF infants (38.6%) compared with 10 FF infants (14.39%). The incidence of IDA in BF infants was significantly higher than FF infants (25.7% vs 2.9%, p < 0.001). Risk factors of IDA included low birth weight, breastfeeding and inadequate complementary food (adjusted RR (95% CI): 3.1(1.1 - 9.1), 6.3(1.5 - 25.0), 7.7(2.8 - 20.0), respectively). CONCLUSION: IDA is more prevalent in BF than FF infants. Risk factors of IDA are low birth weight, breastfeeding and inadequate complementary food. Prevention of IDA in infants should be achieved through adequate iron-rich complementary food and screening for Hb or Hct at 9 - 12 months of age in high risk infants. SN - 0125-2208 UR - https://www.unboundmedicine.com/medline/citation/15960216/Incidence_and_risk_factors_of_iron_deficiency_anemia_in_term_infants_ L2 - http://www.diseaseinfosearch.org/result/3873 DB - PRIME DP - Unbound Medicine ER -