Abstract
BackgroundThe World Health Organization recommends the use of a weight-for-height Z-score (WHZ) and/or mid-upper arm circumference (MUAC) as anthropometric criteria for the admission and discharge of young children for the community-based management of severe acute malnutrition. However, using MUAC as a single anthropometric criterion for admission and discharge in therapeutic nutritional programs may offer operational advantages to simplify admission processes at therapeutic nutritional centers and improve program coverage.MethodsThis pragmatic, non-randomized, intervention study compared a standard outpatient nutritional program (n = 824) for the treatment of uncomplicated severe acute malnutrition using WHZ < − 3 and/or MUAC< 115 mm and/or bipedal edema for admission and discharge to a program (n = 1019) using MUAC as the sole anthropometric criterion for admission (MUAC< 120 mm) and discharge (MUAC ≥125 mm at two consecutive visits) in the Tahoua Region of Niger.ResultsCompared to the standard program, the MUAC-only program discharged more children as recovered (70.1% vs. 51.6%; aOR 2.31, 95%CI 1.79–2.98) and fewer children as non-respondent or defaulters, based on respective program definitions. The risk of non-response was high in both programs. Three months post-discharge, children who were discharged after recovery in the MUAC-only program had lower WHZ and MUAC measures. Sixty-three children ineligible for the MUAC-only program but eligible for a standard program (MUAC ≥120 mm and WHZ < -3) were followed for twelve weeks and the anthropometric status of 69.8% of these children did not deteriorate (i.e. MUAC ≥120 mm) despite not immediately receiving treatment in the MUAC-only program.ConclusionsThe results from this study share the first operational experience of using MUAC as sole anthropometric criterion for admission and discharge in Niger and overall support the consideration for MUAC-only programming: the MUAC-only model of care was associated with a higher recovery and a lower defaulter rate than the standard program with very few children found to be excluded from treatment with an admission criterion of MUAC < 120 mm. Further consideration of the appropriate MUAC-based discharge criterion as it relates to an increased risk of non-response and adverse post-discharge outcomes would be prudent.
Highlights
The World Health Organization recommends the use of a weight-for-height Z-score (WHZ) and/or mid-upper arm circumference (MUAC) as anthropometric criteria for the admission and discharge of young children for the community-based management of severe acute malnutrition
The results from this study share the first operational experience of using MUAC as sole anthropometric criterion for admission and discharge in Niger and overall support the consideration for MUAC-only programming: the MUAC-only model of care was associated with a higher recovery and a lower defaulter rate than the standard program with very few children found to be excluded from treatment with an admission criterion of MUAC < 120 mm
Recognizing that MUAC can identify different children as having severe acute malnutrition (SAM) compared to WHZ [9,10,11,12,13], we aimed to understand the anthropometric evolution of children who would have been eligible for treatment under a standard program but not eligible under a new MUAC-only program
Summary
The World Health Organization recommends the use of a weight-for-height Z-score (WHZ) and/or mid-upper arm circumference (MUAC) as anthropometric criteria for the admission and discharge of young children for the community-based management of severe acute malnutrition. In 2007, a United Nations joint declaration approved a new SAM management model combining outpatient treatment with ready-to-use therapeutic foods (RUTF) for cases without clinical complications and inpatient treatment for the stabilization of cases with clinical complications [2] This model has proven to be both effective [3, 4] and cost-effective [5,6,7], and has allowed life-saving treatment to be offered to millions of children. The arguments in favor of wider usage of MUAC are as follows: the simplicity of the measurements, low cost and the potential for increased coverage due to the ease and transparency of use and harmonization between screening and admission procedures
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