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Anemia in severe acute malnutrition
Neha Thakur1, Jagdish Chandra1, Harish Pemde1
1Lady Hardinge Medical College, Department of Pediatrics, New Delhi, India.
Insights
Severe acute malnutrition (SAM) in Indian children often co-occurs with severe anemia, frequently requiring blood transfusions. Nutritional deficiencies, including iron and vitamin B12, are common causes, necessitating targeted supplementation.
Area of Science:
- Pediatrics
- Hematology
- Nutritional Science
Background:
- India faces the highest prevalence of severe acute malnutrition (SAM).
- Severe anemia is a critical, under-recognized comorbidity increasing mortality in SAM children.
- Understanding anemia's prevalence and causes in SAM is crucial for effective intervention.
Purpose of the Study:
- To determine the prevalence and types of anemia in children with SAM.
- To investigate potential etiologies of severe anemia in this vulnerable population.
- To inform clinical management and public health strategies for SAM and anemia.
Main Methods:
- A 12-month cross-sectional study in a tertiary care hospital in North India.
- Inclusion criteria: patients aged 6-59 months with SAM.
- Data collected: severe anemia prevalence (Hb < 7 g/dL), anemia morphology, transfusion needs, maternal hematology, feeding practices.
Main Results:
- 67.3% of SAM patients exhibited severe anemia; 13.8% had moderate anemia.
- A significant 25% of SAM patients required packed red blood cell transfusion.
- Microcytic anemia (38.6%) was most prevalent, followed closely by megaloblastic anemia (30.5%).
Conclusions:
- High rates of severe anemia and transfusion requirements highlight nutritional anemia as a common SAM comorbidity.
- The prevalence of megaloblastic anemia suggests a need for Vitamin B12 supplementation alongside iron and folic acid.
- Early detection and management of anemia are vital for improving outcomes in children with SAM.
Objectives:
India has the highest prevalence of severe acute malnutrition (SAM). Severe anemia is one of the comorbidities responsible for increased mortality in severely malnourished children, yet it has not received the attention it should. The aim of the present study was to determine the prevalence and type of anemia and to evaluate the possible etiologies for severe anemia, in these children.
Methods:
A cross-sectional study of patients with SAM in a tertiary care hospital in northern India over a period of 12 mo from Sept. 1, 2010 to Aug. 31, 2011 was conducted. We observed the prevalence of severe anemia (hemoglobin < 7 g/dL), morphologic type of anemia, number of patients requiring blood transfusion, hematologic profile of mothers, nature of feeding, duration of exclusive breastfeeding, and the demographic profile of these patients.
Results:
Included in the study were 131 cases of SAM. The age group varied between 6 and to 59 mo. Of patients with SAM, 67.3% had severe anemia; 13.8% had moderate anemia. Of these patients, 25% required packed red blood cell transfusion. The most common type of anemia was microcytic (38.6%) followed by megaloblastic (30.5%).
Conclusions:
A high incidence of severe anemia in SAM with a large proportion (25%) requiring blood transfusion is a pointer toward nutritional anemia being a very common comorbidity of SAM requiring hospital admission. Because megaloblastic anemia closely followed microcytic anemia, supplementation with vitamin B12 in addition to iron and folic acid would be recommended.
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