Management of moderate acute malnutrition with RUTF in Niger

Isabelle Defourny and Géza Harczi

By Isabelle Defourny, Gwenola Seroux, Issaley Abdelkader, and Géza Harczi

Isabelle Defourny is Deputy Desk Manager, MSF-France, Paris

Géza Harczi is Nutrition Advisor, MSF-France, Paris

Gwenola Seroux is Emergency Coordinator, MSF-France, Paris

Issaley Abdelkader is Medical Referent, MSF-France, Maradi, Niger

Between 2001 and 2005, the Médecins Sans Frontières (MSF) therapeutic feeding programme in Maradi, Niger offered treatment for severe acute malnutrition centred on the use of Ready to Use Therapeutic Food (RUTF) and the outpatient management of all uncomplicated cases. During the malnutrition crisis in 2005, the programme demonstrated its capacity to handle large numbers of patients while maintaining highly satisfactory results. Over 40,000 severely malnourished children were treated in Maradi region alone, with a cure rate above 90%1.

Screening at MSF ambulatory feeding centre (Crena) in Myria

The 2005 crisis in Niger has led to an increased understanding of the problem of malnutrition and how to extend treatment to large numbers of affected children. A national protocol favouring outpatient treatment with RUTF for severe acute malnutrition was adopted in July 2005. For the first time in 2006, the treatment of malnutrition was integrated into the national action plan against food insecurity. The government of Niger, United Nations (UN) agencies and international donors went forward with a plan to treat 500,000 acutely malnourished children during 2006. Nutritional surveillance was added to the early warning system, and Niger has reaffirmed its commitment to reduce child mortality rates as a public health priority. With assistance from the World Bank, the government has moved to implement free health care for children less than 5 years of age and for pregnant women.

The results obtained in 2005 with severe acute malnutrition suggested that the same strategy of outpatient management with RUTF would be of benefit for the treatment of acute malnutrition at earlier stages of presentation. Therefore in 2006, MSF decided to extend the use of these new therapeutic products and operational strategies to the treatment of moderate acute malnutrition.

The MSF Programme

In 2006, MSF operated 11 outpatient feeding centres attached to integrated health centres (Centres de Santé Intégrés), along with two inpatient referral feeding units, in two districts of Maradi region with an estimated population of 900,000 people2.

Moderately malnourished children were admitted to these units and treated with the same medical and dietary protocols used for severe acutely malnourished patients (with the exception of no systematic antibiotic treatment at admission). Within the programme, the distinction between moderate and severe acute malnutrition was abandoned in favour of a distinction between complicated and non-complicated acute malnutrition. Children were admitted according to standard criteria for acute malnutrition: weight-for-height (W/H) ratio < 80% of the NCHS median, and/or mid-upper arm circumference (MUAC) < 110 mm and/ or bilateral pitting oedema. Complicated acute malnutrition was defined as acute malnutrition accompanied by anorexia and/or severe pathology. Complicated cases were admitted to one of the two inpatient units for stabilisation. All non-complicated cases were admitted directly to weekly follow-up care in one of the 11 outpatient feeding units, and were referred to inpatient units only if they developed complications during the course of their treatment. As in 2005, Plumpy'nut® (1,000 kcal/day) was used as the RUTF offered to all outpatients. Although the protocol did not distinguish between severe and moderate malnutrition (using complicated and non-complicated acute malnutrition classifications instead), data were collected and are presented here in terms of moderate and severe, to facilitate analysis and for the sake of clarity.

Figure 1 Weekly admissions of children, MSF therapeutic nutrition programme, Maradi region, Niger, 2006

 

Table 1 Outcomes for acute moderate malnutrition cases
Cure Death Default Non-respondent Transfer Total
Non-complicated 49,517 50 1,729 60 5 51,361
96.4% 0.1% 3.4% 0.1% 0.0%
Complicated 7,514 182 278 335 28 8,337
90.1% 2.2% 3.3% 4.0% 0.3%
Total 57,031 232 2,007 395 33 59,698
95.5% 0.4% 3.4% 0.7% 0.1%

 

Table 2 Average length of stay for malnourished children in a therapeutic feeding unit in Maradi, Niger, 2006

Length of Stay (days) Mean CI 95%
Moderate 31.4 [31.3; 31.6]
Severe 42.6 [41.8; 43.4]
Total 32.1 [32.0; 32.3]

 

Table 3 Daily weight gain for malnourished children in a therapeutic feeding unit in Maradi, Niger, 2006
Weight Gain (g/kg/days) Mean CI 95%
Moderate 5.3 [5.25; 5.32]
Severe 8.0 [7.81; 8.23]
Total 5.4 [5.40; 5.47]

 

An admitted child was considered cured after maintaining a W/H ratio > 80% (NCHS reference) on two consecutive visits. Upon discharge, patients were given an additional week of RUTF treatment as well as a 25-kg ration of fortified blended flour (Unimix) and 5 litres of cooking oil.

Results

Results were analysed by using individualbased data from MSF programme monitoring, by means of a database comprised of information from individual treatment cards. A total of 64,733 children were admitted for acute malnutrition in the MSF nutritional programme in 2006 (Figure 1). Of these, 92.5% (59,880) were children with moderate malnutrition, and 7.5% (4,853) were children with severe malnutrition. Of the children admitted, 93.1% were less than 36 months of age, a trend consistent with past years. Readmission rates were 8.9% for moderate and 4.2% for severe cases. Of the children, 89.6% of moderate and 58.2% of severe cases were admitted directly into outpatient care. A total of 10,651 children (8,389 moderate and 2,262 severe) spent at least part of their treatment in an inpatient centre.

Analysis of results for 59,698 moderate malnourished children showed a cure rate of 95.5%, death rate of 0.4%, and default rate of 3.4% (Table 1).
Average length of stay was 31.4 days (Table 2), and average daily weight gain was 5.28g/kg body weight/day (Table 3). Approximately 75% of children had a W/H ratio > 85% of the NCHS reference median on discharge.

For the 4,796 severe cases discharged, the cure rate was 81.3%, death rate 3.0%, and default rate 10.3%. Average length of stay was 42.6 days, and average daily weight gain 8 g/kg body weight/day.

Discussion

In the past few years, thanks to the introduction of RUTF and the deployment of outpatient strategies, significant progress has been made in the treatment of severe acute malnutrition. However, the standard treatment of moderate acute malnutrition with fortified blended flours has continued to show disappointing results3. This failure is problematic because, although severe malnutrition has a higher relative risk of mortality, the much larger numbers of moderate malnutrition means that the population-attributable risk of malnutrition to mortality is much higher in this group4. As stated in Yip and Scanlon more than 10 years ago, "there is no question the most severely malnourished children suffer the most, but they may not be contributing to most of the suffering"5. Furthermore, although the treatment of severe malnutrition is improving, it is still more difficult to treat than moderate malnutrition. Treating malnutrition earlier is more effective, less risky to the patient and less costly.

The results obtained by MSF in Maradi confirm the efficacy of RUTF in the treatment of moderate acute malnutrition. Weight gains recorded were considerably higher than those obtained in classic supplementary feeding programmes (SFPs) using fortified blended flours. Default rates were also atypically low compared with standard SFPs. Combined with the large numbers of affected children recruited, this outcome suggests that parents are convinced of the superior effectiveness of RUTF in the treatment of acute malnutrition. Once again, as in previous years in MSF feeding programmes in Niger, tens of thousands of mothers were given the role of the prime therapeutic caregiver for their malnourished children.

Moreover, despite the continuous expansion, and therefore better coverage, of services for the severe acutely malnourished in Maradi since 2002, for the first time since the programme was opened in 2001, no detectable peak in numbers admitted during the hunger gap period was observed (Figure 1). Admissions of severe cases remained stable and at unusually low levels throughout the year. This finding strongly suggests that the management of the large numbers of moderate acutely malnourished with RUTF successfully prevented the development of severe acute malnutrition in the covered population.

In the countrywide nutritional survey conducted in November 2006 by the government of Niger, UNICEF and the World Food Programme, the prevalence of global acute malnutrition (GAM) in Maradi stood at 6.8%, with 0.6% severe acute malnutrition (SAM), compared with the national averages of 10.3% and 1.4%, respectively. For the first time, the Maradi region, which previously had amongst the highest rates of severe and global acute malnutrition in the country, had become at the end of 2006, the region with the lowest rates of acute malnutrition. The results of the nutritional survey, and the lack of increase in severe malnutrition during the hunger gap, provide strong evidence for a major impact on the nutritional status of young children in Maradi subsequent to the widespread use of RUTF.

The nutritional crisis in Niger in 2005 was notable for the unprecedented numbers of young children treated for severe acute malnutrition. The nutritional situation in 2006 was not of the same magnitude, but it is clear that the numbers of children affected by acute malnutrition even in a 'good' year is extremely high. For example, 26,000 children less than 3 years old from the Guidam Roumdji district of Maradi were admitted for acute malnutrition in the MSF programme in 2006. This number represented well over half the estimated 43,500 children of that age believed to be living in this one district of Maradi.

Mother and child in Dakoro, Niger, where MSF focused on the problem of acute seasonal malnutrition

Despite the success of the MSF programme in 2006, the individual therapeutic treatment of tens of thousands of children requires significant resources and would clearly be a daunting task for an already overstretched, understaffed and underfunded health care system in one of the poorest countries of the world. With such large numbers of young children affected by acute malnutrition in rural areas of Niger each year, it would make sense to go one step further and consider effective preventive alternatives. In May 2007, MSF began implementing a new programme targeting all children younger than 36 months with a new ready-to-use nutritional supplement designed to prevent malnutrition. This supplement is being delivered through monthly distributions rather than through therapeutic feeding units. The hope is that this strategy will significantly reduce the incidence of acute malnutrition amongst the young children of the rural poor in Maradi.

Conclusion

MUAC measurement of a child in a camp for displaced Chadians, Koukou, Tchad

Results obtained by MSF in Maradi in 2006 prove that RUTF is an effective treatment for moderate acute malnutrition. The large numbers treated and the low numbers of defaulters are indicative of the strong participation and adherence of the mothers and families of these children. The treatment of acute malnutrition at an earlier stage reduced admissions for severe acute malnutrition and eliminated the usual rise in severe cases during the hunger gap period.

Considering the well-documented association of acute malnutrition with child mortality, it is highly likely that the effective treatment of acute malnutrition, or its effective prevention, using newly developed nutrient-dense RUTF, will have a major impact on mortality of young children amongst the poorest populations of the world.

For further information, contact: isabelle.defourny@paris.msf.org or geza.harczi@ paris.msf.org

Show footnotes

1Defourny I, Drouhin E, Terzian M, Tatay M, Sekkenes J, Tectonidis M. Scaling up the treatment of acute childhood malnutrition in Niger. Field Exchange 2006; 28: 2-4.

2Système National d'Information Sanitaire, Gouvernement de Niger. 2005.

3Navarro-Colorado C. A retrospective study of emergency supplementary feeding programmes. ENN/SC UK, 2007.

4Pelletier DL. The relationship between child anthropometry and mortality in developing countries: implications for policy, programs and future research. J Nutr 1994; 124: 2047S- 2081S.

5Yip R, Scanlon K. The burden of malnutrition: a population perspective. J Nutr 1994; 124: 2043S-2046S.

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Isabelle Defourny, Gwenola Seroux, Issaley Abdelkader, and Géza Harczi (2007). Management of moderate acute malnutrition with RUTF in Niger. Field Exchange 31, September 2007. p2. www.ennonline.net/fex/31/rutfinniger