Faruque A S G, Ahmed A M Shamsir, Ahmed Tahmeed, Islam M Munirul, Hossain Md Iqbal, Roy S K, Alam Nurul, Kabir Iqbal, Sack David A
Clinical Sciences Division, ICDDR,B, GPO Box 128, Dhaka 1000, Mohakhali, Bangladesh.
J Health Popul Nutr. 2008 Sep;26(3):325-39. doi: 10.3329/jhpn.v26i3.1899.
Recent data from the World Health Organization showed that about 60% of all deaths, occurring among children aged less than five years (under-five children) in developing countries, could be attributed to malnutrition. It has been estimated that nearly 50.6 million under-five children are malnourished, and almost 90% of these children are from developing countries. Bangladesh is one of the countries with the highest rate of malnutrition. The recent baseline survey by the National Nutrition Programme (NNP) showed high rates of stunting, underweight, and wasting. However, data from the nutrition surveillance at the ICDDR,B hospital showed that the proportion of children with stunting, underweight, and wasting has actually reduced during 1984-2005. Inappropriate infant and young child-feeding practices (breastfeeding and complementary feeding) have been identified as a major cause of malnutrition. In Bangladesh, although the median duration of breastfeeding is about 30 months, the rate of exclusive breastfeeding until the first six months of life is low, and practice of appropriate complementary feeding is not satisfactory. Different surveys done by the Bangladesh Demographic and Health Survey, United Nations Children's Fund (UNICEF), and Bangladesh Breastfeeding Foundation (BBF) showed a rate of exclusive breastfeeding to be around 32-52%, which have actually remained same or declined over time. The NNP baseline survey using a strict definition of exclusive breastfeeding showed a rate of exclusive breastfeeding (12.8%) until six months of age. Another study from the Abhoynagar field site of ICDDR,B reported the prevalence of exclusive breastfeeding to be 15% only. Considerable efforts have been made to improve the rates of exclusive breastfeeding. Nationally, initiation of breastfeeding within one hour of birth, feeding colostrum, and exclusive breastfeeding have been promoted through the Baby-Friendly Hospital Initiative (BFHI) implemented and supported by BBF and UNICEF respectively. Since most (87-91%) deliveries take place in home, the BFHI has a limited impact on the breastfeeding practices. Results of a few studies done at ICDDR,B and elsewhere in developing countries showed that the breastfeeding peer-counselling method could substantially increase the rates of exclusive breastfeeding. Results of a study in urban Dhaka showed that the rate of exclusive breastfeeding was 70% among mothers who were counselled compared to only 6% who were not counselled. Results of another study in rural Bangladesh showed that peer-counselling given either individually or in a group improved the rate of exclusive breastfeeding from 89% to 81% compared to those mothers who received regular health messages only. This implies that scaling up peer-counselling methods and incorporation of breastfeeding counselling in the existing maternal and child heath programme is needed to achieve the Millennium Development Goal of improving child survival. The recent data showed that the prevalence of starting complementary food among infants aged 6-9 months had increased substantially with 76% in the current dataset. However, the adequacy, frequency, and energy density of the complementary food are in question. Remarkable advances have been made in the hospital management of severely-malnourished children. The protocolized management of severe protein-energy malnutrition at the Dhaka hospital of ICDDR,B has reduced the rate of hospital mortality by 50%. A recent study at ICDDR,B has also documented that home-based management of severe protein-energy malnutrition without follow-up was comparable with a hospital-based protocolized management. Although the community nutrition centres of the NNP have been providing food supplementation and performing growth monitoring of children with protein-energy malnutrition, the referral system and management of complicated severely-malnourished children are still not in place.
世界卫生组织的最新数据显示,在发展中国家,5岁以下儿童死亡案例中约60%可归因于营养不良。据估计,近5060万5岁以下儿童营养不良,其中近90%来自发展中国家。孟加拉国是营养不良率最高的国家之一。国家营养计划(NNP)最近的基线调查显示,发育迟缓、体重不足和消瘦的比例很高。然而,国际腹泻病研究中心(ICDDR,B)医院的营养监测数据显示,1984年至2005年期间,发育迟缓、体重不足和消瘦儿童的比例实际上有所下降。不适当的婴幼儿喂养方式(母乳喂养和辅食喂养)已被确定为营养不良的主要原因。在孟加拉国,尽管母乳喂养的中位数时长约为30个月,但纯母乳喂养至6个月大的比例较低,且适当辅食喂养的情况也不尽人意。孟加拉国人口与健康调查、联合国儿童基金会(UNICEF)和孟加拉国母乳喂养基金会(BBF)开展的不同调查显示,纯母乳喂养率约为32%至52%,实际上这一比例一直保持不变或呈下降趋势。NNP基线调查采用严格的纯母乳喂养定义,结果显示6个月龄前的纯母乳喂养率为12.8%。ICDDR,B的阿博伊纳加尔实地研究点的另一项研究报告称,纯母乳喂养率仅为15%。为提高纯母乳喂养率已做出了相当大的努力。在全国范围内,分别由BBF和UNICEF实施和支持的爱婴医院倡议(BFHI)推广了出生后1小时内开始母乳喂养、喂初乳和纯母乳喂养。由于大多数(87%至91%)分娩在家中进行,BFHI对母乳喂养方式的影响有限。ICDDR,B及其他发展中国家开展的一些研究结果表明,母乳喂养同伴咨询方法可大幅提高纯母乳喂养率。达卡市的一项研究结果显示,接受咨询的母亲中纯母乳喂养率为70%,而未接受咨询的母亲中这一比例仅为6%。孟加拉国农村地区的另一项研究结果显示,与仅收到常规健康信息的母亲相比,单独或分组接受同伴咨询的母亲,其纯母乳喂养率从89%提高到了81%。这意味着需要扩大同伴咨询方法的应用范围,并将母乳喂养咨询纳入现有的母婴健康计划,以实现改善儿童生存状况的千年发展目标。最新数据显示,6至9个月龄婴儿开始添加辅食的比例大幅上升,在当前数据集中达到了76%。然而,辅食的充足性、喂养频率和能量密度仍存在问题。在严重营养不良儿童的医院管理方面已取得显著进展。ICDDR,B达卡医院对严重蛋白质 - 能量营养不良的规范化管理使医院死亡率降低了50%。ICDDR,B最近的一项研究还记录表明,无后续跟进的家庭式严重蛋白质 - 能量营养不良管理与医院规范化管理效果相当。尽管NNP的社区营养中心一直在为蛋白质 - 能量营养不良的儿童提供食物补充并进行生长监测,但复杂严重营养不良儿童的转诊系统和管理仍不完善。