Traditional Chinese Medicine Moxibustion in the Treatment of Infantile Diarrhea.

The main contribution of this research paper is to summarize the results of Meta-analysis of moxibustion in the treatment of infantile diarrhea which is one the common disease and requires considerable attention from the research community and funding organizations. In order to verify that the proposed scheme has merits, a comprehensive searching methodology was adopted by considering various databases such as China Biomedical Literature Database (CBM), China National Knowledge Network Infrastructure (CNKI), Wanfang Database, Pub Med Database, Google Academic, and Cochrane Library. It is important to note that a powerful computer has been utilized to carry out this searching. Finally, only those literature contents are selected which meet the inclusion criteria. Likewise, exclusion criteria was used to exclude irrelevant contents of the literature. RevMan 5.3 was used to analyze the collected data and after reading the titles and abstracts, 29 well-designed studies were selected. Through searching the full text, reading literature, and quality evaluation, 17 papers were finally included. Response rates were reported in all 17 studies, and subgroup analysis was performed based on whether or not other therapies were combined. 7 studies compared the effectiveness of simple moxibustion and conventional therapy in the treatment of infantile diarrhea, and the results showed statistically significant differences [OR = 4.01, 95% CI (2.03, 7.84), P < 0.0001]; 10 studies compared the effectiveness of moxibustion combined with other therapies and conventional therapies in the treatment of diarrhea in children, and the results showed that the difference had general meaning [OR = 4.45, 95% CI (2.83, 7.10), P < 0.00001]. The funnel plot (in Figure) showed that the distribution of included studies was asymmetrical on both sides of the baseline, which could be considered as publication bias. Traditional Chinese medicine moxibustion could effectively relieve the symptoms of infantile diarrhea, and the effect was significant.

Moxibustion for diarrhea in children: A protocol for systematic review and meta-analysis.

BACKGROUND: Infantile Diarrhea is a common and frequent digestive tract disease in children. The causes of this disease are relatively complex and the onset time is relatively long. At present, there is no specific treatment method in Western medicine. Moxibustion is a simple and painless external treatment. However, due to the lack of high-quality evidence to support the effectiveness and safety of moxibustion therapy for pediatric diarrhea. Therefore, the purpose of this study is to verify the effectiveness and safety of moxibustion in the treatment of pediatric diarrhea. METHODS: We will use PubMed, Cochrane Library, Wan Fang Database, Web of Science, China National Knowledge Infrastructure Database, Chinese Science Journal Database, China Biomedical Literature Database to carry out a progressive search of diseases. The study will be screened according to eligibility criteria, and quality of the study will be assessed by using the Cochrane Risk of Bias Tool. RESULTS: Through this study, we will systematically evaluate the effectiveness and safety of moxibustion in the treatment of pediatric diarrhea. CONCLUSION: The results of this study will provide reliable evidence of the safety and effectiveness of moxibustion in the treatment of infantile diarrhea, and provide a therapeutic basis for the future clinical application. ETHICS AND DISSEMINATION: Since this paper does not involve ethical issues, it does not need to pass the review of the ethics committee. It can only collect relevant literature and study. INPLASY REGISTRATION NUMBER: INPLASY202130091.

Chinese pediatric Tuina on children with acute diarrhea: a randomized sham-controlled trial.

BACKGROUND: Pediatric Tuina has been widely used in children with acute diarrhea in China. However, due to the lack of high-quality clinical evidence, the benefit of Tuina as a therapy is not clear. We aimed to assess the effect of pediatric Tuina compared with sham Tuina as an add-on therapy in addition to usual care for 0-6-year-old children with acute diarrhea. METHODS: Eighty-six participants aged 0-6 years with acute diarrhea were randomized to receive pediatric Tuina plus usual care (n = 43) or sham Tuina plus usual care (n = 43). The primary outcomes were days of diarrhea from baseline and times of diarrhea on day 3. Secondary outcomes included a global change rating (GCR) and the number of days when the stool characteristics returned to normal. Adverse events were assessed. RESULTS: Pediatric Tuina was associated with a reduction in times of diarrhea on day 3 compared with sham Tuina in both ITT (crude RR, 0.73 [95% CI, 0.59-0.91]) and PP analyses (crude RR, 0.66 [95% CI, 0.53-0.83]). However, the results were not significant when we adjusted for social demographic and clinical characteristics. No significant difference was found between groups in days of diarrhea, global change rating, or number of days when the stool characteristics returned to normal. CONCLUSIONS: In children aged 0-6 years with acute diarrhea, pediatric Tuina showed significant effects in terms of reducing times of diarrhea compared with sham Tuina. Studies with larger sample sizes and adjusted trial designs are warranted to further evaluate the effect of pediatric Tuina therapy. TRIAL REGISTRATION: Clinicaltrials.gov, Identifier: NCT03005821 , Data of registration: 2016-12-29.

Factors associated with mortality in children under five years old hospitalized for Severe Acute Malnutrition in Limpopo province, South Africa, 2014-2018: A cross-sectional analytic study.

BACKGROUND: In South Africa, 30.9% of children under five years with Severe Acute Malnutrition (SAM) died in 2018. We aimed to identify factors associated with mortality among children under five years hospitalized with SAM in Limpopo province, South Africa. METHODS: We conducted a cross-sectional study including children under five years admitted with SAM from 2014 to 2018 in public hospitals of Limpopo province. We extracted socio-demographic and clinical data from hospital records. We used logistic regression to identify factors associated with mortality. FINDINGS: We included 956 children, 50.2% (480/956) male and 49.8% (476/956) female. The median age was 13 months (inter quartile range: 9-19 months). The overall SAM mortality over the study period was 25.9% (248/956). The most common complications were diarrhea, 63.8% (610/956), and lower respiratory tract infections (LRTIs), 42.4% (405/956). Factors associated with mortality included herbal medication use (adjusted Odds Ratio (aOR): 2.2, 95% Confidence Interval (CI): 1.4-3.5, p = 0.001), poor appetite (aOR: 2.7, 95% CI: 1.4-5.2, p = 0.003), Mid-upper circumference (MUAC) <11.5 cm (aOR: 3.0, 95% CI: 1.9-4.7, p<0.001), lower respiratory tract infections (LRTIs) (aOR: 1.6, 95% CI: 1.2-2.0, p<0.001), anemia (aOR: 2.5, 95% CI: 1.1-5.3, p = 0.021), hypoglycemia (aOR: 12.4, 95% CI: 7.1-21.8, p<0.001) and human immunodeficiency virus (HIV) infection (aOR: 2.3, 95% CI: 1.6-3.3, p<0.001). INTERPRETATION: Herbal medication use, poor appetite, LRTIs, anemia, hypoglycemia, and HIV infection were associated with mortality among children with SAM. These factors should guide management of children with SAM.

A comparative study of the prevalence of zinc deficiency among children with acute diarrhoea in SouthWestern Nigeria.

BACKGROUND: Zinc deficiency has been associated with increased incidence, severity and duration of childhood diarrhoea. OBJECTIVE: The objective of the study was to determine the prevalence of zinc deficiency among under-five children with acute diarrhoea. METHODS: The study was a comparative cross-sectional study in which serum zinc levels were determined using atomic absorption spectrometry in under-five children with acute diarrhoea and in apparently healthy contols. Two hundred and fifty children with acute diarrhoea and 250 controls were studied at the Wesley Guild Hospital, Ilesa, Nigeria. RESULTS: The diarrhoea patients had a mean ± SD serum zinc level of 78.8 ± 35.6 µg/dl, while the controls had a mean of 107.3 ± 46.8 µg/dl. The mean serum zinc level was significantly lower in the patients than the controls (t = -7.66; p < 0.001). Furthermore, the prevalence of zinc deficiency was significantly higher among the patients (30.4% versus 12.4% in the controls; OR = 3.09; 95% CI = 1.94 - 4.90; χ2 = 24.08; p < 0.001). Low social class was associated with a significantly higher prevalence of zinc deficiency among the patients (p = 0.013). CONCLUSION: Zinc deficiency is significantly associated with diarrhoea among under-five children in the study community. Hence, routine zinc supplementation should be encouraged for the treatment of diarrhoea, and availability should be ensured.

Bovine Colostrum in the Treatment of Acute Diarrhea in Children: A Double-Blinded Randomized Controlled Trial.

OBJECTIVES: To evaluate the effect of bovine colostrum (BC) on the treatment of children with acute diarrhea attending the outpatient clinic. METHODS: This double-blind randomized controlled trial was conducted on 160 children with diarrhea; 80 cases were randomly treated with BC group and 80 cases randomly received placebo (placebo group). All cases were investigated for bacterial causes of diarrhea (Salmonella spp, Shigella spp, diarrheagenic E. coli (DEC), Campylobacter spp., and Vibrio cholerae) as well as for Rotavirus antigen in stool. RESULTS: After 48 h, the BC group had a significantly lower frequency of vomiting, diarrhea and Vesikari scoring compared with the placebo group (p = 0.000, p = 0.000, p = 0.000, respectively), whether it was due to Rotavirus or E. coli infection. CONCLUSIONS: BC is effective in the treatment of acute diarrhea and can be considered as adjuvant therapy in both viral and bacterial diarrhea to prevent diarrhea-related complications.

The role of price and convenience in use of oral rehydration salts to treat child diarrhea: A cluster randomized trial in Uganda.

BACKGROUND: Over half a million children die each year of diarrheal illness, although nearly all deaths could be prevented with oral rehydration salts (ORS). The literature on ORS documents both impressive health benefits and persistent underuse. At the same time, little is known about why ORS is underused and what can be done to increase use. We hypothesized that price and inconvenience are important barriers to ORS use and tested whether eliminating financial and access constraints increases ORS coverage. METHODS AND FINDINGS: In July of 2016, we recruited 118 community health workers (CHWs; representing 10,384 households) in Central and Eastern Uganda to participate in the study. Study villages were predominantly peri-urban, and most caretakers had no more than primary school education. In March of 2017, we randomized CHWs to one of four methods of ORS distribution: (1) free delivery of ORS prior to illness (free and convenient); (2) home sales of ORS prior to illness (convenient only); (3) free ORS upon retrieval using voucher (free only); and (4) status quo CHW distribution, where ORS is sold and not delivered (control). CHWs offered zinc supplements in addition to ORS in all treatment arms (free in groups 1 and 3 and for sale in group 2), following international treatment guidelines. We used household surveys to measure ORS (primary outcome) and ORS + zinc use 4 weeks after the interventions began (between April and May 2017). We assessed impact using an intention-to-treat (ITT) framework. During follow-up, we identified 2,363 child cases of diarrhea within 4 weeks of the survey (584 in free and convenient [25.6% of households], 527 in convenient only [26.1% of households], 648 in free only [26.8% of households], and 597 in control [28.5% of households]). The share of cases treated with ORS was 77% (448/584) in the free and convenient group, 64% (340/527) in the convenient only group, 74% (447/648) in the free only group, and 56% (335/597) in the control group. After adjusting for potential confounders, instructing CHWs to provide free and convenient distribution increased ORS coverage by 19 percentage points relative to the control group (95% CI 13-26; P < 0.001), 12 percentage points relative to convenient only (95% CI 6-18; P < 0.001), and 2 percentage points (not significant) relative to free only (95% CI -4 to 8; P = 0.38). Effect sizes were similar, but more pronounced, for the use of both ORS and zinc. Limitations include short follow-up period, self-reported outcomes, and limited generalizability. CONCLUSIONS: Most caretakers of children with diarrhea in low-income countries seek care in the private sector where they are required to pay for ORS. However, our results suggest that price is an important barrier to ORS use and that switching to free distribution by CHWs substantially increases ORS coverage. Switching to free distribution is low-cost, easily scalable, and could substantially reduce child mortality. Convenience was not important in this context. TRIAL REGISTRATION: Trial registry number AEARCTR-0001288.

Protective Effect of Low Molecular Weight Seleno-Aminopolysaccharide on the Intestinal Mucosal Oxidative Damage.

Low molecular weight seleno-aminopolysaccharide (LSA) is an organic selenium compound comprising selenium and low molecular weight aminopolysaccharide (LA), a low molecular weight natural linear polysaccharide derived from chitosan. LSA has been found to exert strong pharmacological activity. In this study, we aimed to investigate the protective effect of LSA on intestinal mucosal oxidative stress in a weaning piglet model by detecting the growth performance, intestinal mucosal structure, antioxidant indices, and expression level of intracellular transcription factor nuclear factor erythroid 2-related factor 2 (Nrf2) and its related factors. Our results indicated that LSA significantly increased the average daily gain and feed/gain (p < 0.05), suggesting that LSA can effectively promote the growth of weaning piglets. The results of scanning electron microscope (SEM) microscopy showed that LSA effectively reduced intestinal damage, indicating that LSA improved the intestinal stress response and protected the intestinal structure integrity. In addition, diamine oxidase (DAO) and d-lactic acid (d-LA) levels remarkably decreased in LSA group compared with control group (p < 0.05), suggesting that LSA alleviated the damage and permeability of weaning piglets. LSA significantly increased superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GSH-Px), and total antioxidant capacity (T-AOC) levels, but decreased malondialdehyde (MDA) level, indicating that LSA significantly enhanced the antioxidant capacity and reduced oxidative stress in weaning piglets. RT-PCR results showed that LSA significantly increased GSH-Px1, GSH-Px2, SOD-1, SOD-2, CAT, Nrf2, HO-1, and NQO1 gene expression (p < 0.05). Western blot analysis revealed that LSA activated the Nrf2 signaling pathway by downregulating the expression of Keap1 and upregulating the expression of Nrf2 to protect intestinal mucosa against oxidative stress. Collectively, LSA reduced intestinal mucosal damage induced by oxidative stress via Nrf2-Keap1 pathway in weaning stress of infants.

Delivery practices, hygiene, birth attendance and neonatal infections in Karamoja, Uganda: a community-based study.

BACKGROUND: Drawing attention to home birth conditions and subsequent neonatal infections is a key starting point to reducing neonatal morbidity which are a main cause of mortality in sub-Saharan Africa. OBJECTIVES: To determine the proportion of respiratory, ophthalmic, and diarrhoeal infections in neonates; the proportion of mothers of neonates, following clean delivery practices; and to explore existing community practices during delivery and the neonatal period. METHODS: A descriptive, cross-sectional, exploratory study, including 10 questionnaires and five Key-Informant interviews, in rural Karamoja, Uganda. RESULTS: Post-delivery razor blade and string use was 90%, but clean delivery surface use only 30%, while 90% obtained bathing water for neonates from boreholes. No mothers washed hands after latrine-related activities compared with 83% for food-related activities. None delivered in health centres or with skilled birth attendants. Respiratory infections occurred in eight neonates, compared to two ophthalmic infections, and no diarrhoea. CONCLUSION: Use of clean delivery surfaces needs to be improved as well as washing after latrine-related activities. Diarrhoea was far less common than expected. Since rural Mother-Infant pairs spend the majority of their post-delivery time around the homestead, hygiene impacts neonatal infections to a large degree, possibly even more so than delivery practices.

Meta-analysis of the effects of Bifidobacterium preparations for the prevention and treatment of pediatric antibiotic-associated diarrhea in China.

Bifidobacterium preparations are increasingly used for pediatric antibiotic-associated diarrhea (AAD) in China. The aim of this study was to review existing evidence on the efficacy of Bifidobacterium preparations for the prevention and treatment of pediatric AAD in China. Searches were performed with Medline, Embase, Cochrane Central Register of Controlled Trials, CNKI, and CBM databases. Thirty trials met the inclusion criteria. Of the 30 trials, five Bifidobacterium preparations were included. The preparations were all Bifidobacterium based, in combined with Lactobacillus, Enterococcus, Bacillus, Streptococcus or Clostridium strains. The pooled results of the 30 trials, which included 7225 participants, indicated a statistically significant association of Bifidobacterium preparations administration with reduction in pediatric AAD (odds ratio [OR], 0.33; 95% confidence interval [CI], 0.29-0.39; P<0.01). When the meta-analysis was re-performed according to the trials explicitly aiming to prevent or treat pediatric AAD, respectively, the pooled results were similar (Bifidobacterium preparations use for preventing pediatric AAD (n=21): pooled OR, 0.34, 95% CI, 0.28-0.41, P<0.01; Bifidobacterium preparations use for treating pediatric AAD (n=9): pooled OR, 0.32, 95% CI, 0.23-0.43, P<0.01). Subgroup analyses which based on Bifidobacterium preparations variety, clinical condition, or participant's age also showed statistically significant benefit of adjunct Bifidobacterium preparations for the prevention and treatment of pediatric AAD in China. The pooled evidence suggested that Bifidobacterium preparations might be efficacious for the prevention and treatment of pediatric AAD in China.

Valor de la vena digital para el diagnóstico tradicional y pronóstico de las diarreas en una lactante / Value of the digital vein for the traditional diagnosis and prognosis of diarrheas in an infant

Se presenta el caso clínico de una lactante de 8 meses de edad, de procedencia rural, quien ingresa en el Hospital Docente Infantil Norte de Santiago de Cuba por presentar fiebre, vómitos y diarreas. Se le realizó examen físico y observación de la vena digital, cuyo resultado desde el punto de vista de la medicina tradicional fue diarrea por frío-humedad, para lo cual se orientó una estrategia terapéutica que favoreció la mejoría del cuadro diarreico y emético, sin el empleo de medicamentos(AU)

The case report of an 8 months infant is presented. She had rural origin and is admitted to the Northern Teaching Children Hospital in Santiago de Cuba due to fever, vomits and diarrheas. Physical examination and observation of the digital vein was carried out whose result from the traditional medicine point of view was diarrhea due to cold-humidity, for which a therapeutic strategy was guided that favored the improvement of the diarrheal and emetic pattern, without using medication(AU)

[Influential factors of iron deficient anemia among infants aged 8 months based on a case-control study].

OBJECTIVE: To study the status and influential factors of iron deficient anemia (IDA) among infants aged 8 months in Changsha City.
 Methods: A case-control study was performed in this research. The case group including 105 8-month-old infants definitely diagnosed as IDA based on standardized blood test. Four-times numbers of age- and genger-matched infants without IDA were selected as a control group. Chi-square test and conditional logistic regression was used to analyze the influential factors for IDA.
 Results: The incidence rate of IDA among infants aged 8 months in Changsha City was 14.7%. The risk factors were as follows: mother with anemia in late pregnancy (OR=3.540, 95% CI 1.898 to 6.601), mixed feeding within 6 months old (OR=1.682, 95% CI 1.099 to 2.574), artificial feeding within 6 months old (OR=4.162, 95% CI 1.343 to 12.896), complementary feeding before 6 months old (OR=1.423, 95% CI 1.022 to 1.982), complementary feeding at or after 7 months old (OR=4.415, 95% CI 2.150 to 9.064), recurrent respiratory tract infections within 8 months old (OR=2.878, 95% CI 1.224 to 6.764), and repeated diarrhea within 8 months old (OR=3.710, 95% CI 1.533 to 8.980).
 Conclusion: There is certain incidence rate of IDA among infants aged 8 months in Changsha City. To prevent the IDA among infants, we should treat mothers' anemia during pregnancy, advocate scientific feeding, encourage complete breastfeeding until 6 months old, add complementary food timely and reasonably, treat infants suffering from respiratory or digestive diseases actively.

Valor de la vena digital para el diagnóstico tradicional y pronóstico de las diarreas en una lactante / Value of the digital vein for the traditional diagnosis and prognosis of diarrheas in an infant

Se presenta el caso clínico de una lactante de 8 meses de edad, de procedencia rural, quien ingresa en el Hospital Docente Infantil Norte de Santiago de Cuba por presentar fiebre, vómitos y diarreas. Se le realizó examen físico y observación de la vena digital, cuyo resultado desde el punto de vista de la medicina tradicional fue diarrea por frío-humedad, para lo cual se orientó una estrategia terapéutica que favoreció la mejoría del cuadro diarreico y emético, sin el empleo de medicamentos

The case report of an 8 months infant is presented. She had rural origin and is admitted to the Northern Teaching Children Hospital in Santiago de Cuba due to fever, vomits and diarrheas. Physical examination and observation of the digital vein was carried out whose result from the traditional medicine point of view was diarrhea due to cold-humidity, for which a therapeutic strategy was guided that favored the improvement of the diarrheal and emetic pattern, without using medication

IBD-Like Features in Syndromic Diarrhea/Trichohepatoenteric Syndrome.

BACKGROUND: Very early onset inflammatory bowel disease (VEOIBD) (inflammatory bowel disease [IBD] before 6 years of age) may manifest as a monogenic disease affecting the gastrointestinal tract. Syndromic diarrhea/trichohepatoenteric syndrome (SD/THE), a rare disorder caused by alteration of a complex involved in RNA degradation, has been reported to present with some degree of colitis and in some cases an IBD-like presentation. METHODS: We reviewed clinical and biological data of 4 previously published cases and added detailed data of 2 new cases of SD/THE with an IBD-like presentation. RESULTS: All the 6 patients presented with typical intractable diarrhea and hair abnormalities. The colon was affected in all of the patients: 1 had ileitis, 2 had panenteritis, and 2 presented with perianal disease. Fecal calprotectin level and erythrosedimentation rate were elevated in 2 cases each. All the therapeutic classes of IBD treatment (mesalazine, steroids, immunomodulators, and biological therapy) were used in the 6 cases. In 2 patients, treatment had no effect. Three showed a partial effect, and 1 patient sustained only a transient effect. CONCLUSIONS: SD/THE can have a similar presentation as VEOIBD, often as pancolitis. IBD treatments appear to have little efficacy for SD/THE, suggesting a different pathogenesis for the IBD-like features in SD/THE compared with classical IBD.

Socioeconomic and Demographic Factors Influencing Feeding Practices, Morbidity Status, and Dietary Intakes of Children Aged 7-24 Months in Rural Uganda.

The objective of this study was to analyze the nutritional and morbidity patterns of children aged 7-24 months in relationship to household socioeconomic and demographic characteristics. Structured questionnaires and repeated 24-hour recalls were used to collect data. Maternal education and age influenced timing of complementary foods, dietary diversity score, meal frequency, and diarrhea incidences (p < .05). This resulted in 53%, 59%, 48%, 43%, and 22% of the study children having inadequate intake of energy, protein, vitamin A, iron, and zinc, respectively. Households need to be empowered to utilize available resources for improving nutrient intake and health among their children.

Oral zinc for treating diarrhoea in children.

BACKGROUND: In developing countries, diarrhoea causes around 500,000 child deaths annually. Zinc supplementation during acute diarrhoea is currently recommended by the World Health Organization (WHO) and the United Nations Children's Fund (UNICEF). OBJECTIVES: To evaluate oral zinc supplementation for treating children with acute or persistent diarrhoea. SEARCH METHODS: We searched the Cochrane Infectious Diseases Group Specialized Register, CENTRAL (the Cochrane Library 2016, Issue 5), MEDLINE, Embase, LILACS, CINAHL, mRCT, and reference lists up to 30 September 2016. We also contacted researchers. SELECTION CRITERIA: Randomized controlled trials (RCTs) that compared oral zinc supplementation with placebo in children aged one month to five years with acute or persistent diarrhoea, including dysentery. DATA COLLECTION AND ANALYSIS: Both review authors assessed trial eligibility and risk of bias, extracted and analysed data, and drafted the review. The primary outcomes were diarrhoea duration and severity. We summarized dichotomous outcomes using risk ratios (RR) and continuous outcomes using mean differences (MD) with 95% confidence intervals (CI). Where appropriate, we combined data in meta-analyses (using either a fixed-effect or random-effects model) and assessed heterogeneity.We assessed the certainty of the evidence using the GRADE approach. MAIN RESULTS: Thirty-three trials that included 10,841 children met our inclusion criteria. Most included trials were conducted in Asian countries that were at high risk of zinc deficiency. Acute diarrhoeaThere is currently not enough evidence from well-conducted RCTs to be able to say whether zinc supplementation during acute diarrhoea reduces death or number of children hospitalized (very low certainty evidence).In children older than six months of age, zinc supplementation may shorten the average duration of diarrhoea by around half a day (MD -11.46 hours, 95% CI -19.72 to -3.19; 2581 children, 9 trials, low certainty evidence), and probably reduces the number of children whose diarrhoea persists until day seven (RR 0.73, 95% CI 0.61 to 0.88; 3865 children, 6 trials, moderate certainty evidence). In children with signs of malnutrition the effect appears greater, reducing the duration of diarrhoea by around a day (MD -26.39 hours, 95% CI -36.54 to -16.23; 419 children, 5 trials, high certainty evidence).Conversely, in children younger than six months of age, the available evidence suggests zinc supplementation may have no effect on the mean duration of diarrhoea (MD 5.23 hours, 95% CI -4.00 to 14.45; 1334 children, 2 trials, moderate certainty evidence), or the number of children who still have diarrhoea on day seven (RR 1.24, 95% CI 0.99 to 1.54; 1074 children, 1 trial, moderate certainty evidence).None of the included trials reported serious adverse events. However, zinc supplementation increased the risk of vomiting in both age groups (children greater than six months of age: RR 1.57, 95% CI 1.32 to 1.86; 2605 children, 6 trials, moderate certainty evidence; children less than six months of age: RR 1.54, 95% CI 1.05 to 2.24; 1334 children, 2 trials, moderate certainty evidence). Persistent diarrhoeaIn children with persistent diarrhoea, zinc supplementation probably shortens the average duration of diarrhoea by around 16 hours (MD -15.84 hours, 95% CI -25.43 to -6.24; 529 children, 5 trials, moderate certainty evidence). AUTHORS' CONCLUSIONS: In areas where the prevalence of zinc deficiency or the prevalence of malnutrition is high, zinc may be of benefit in children aged six months or more. The current evidence does not support the use of zinc supplementation in children less six months of age, in well-nourished children, and in settings where children are at low risk of zinc deficiency.

Effects of zinc supplementation in the prevention of respiratory tract infections and diarrheal disease in Colombian children: A 12-month randomised controlled trial

BACKGROUND: Among the preventive strategies for lowering the incidence of upper respiratory tract infections (URTI) and acute diarrhoea episodes, two of the most common diseases in children, zinc supplementation has received special interest. However, there is a need for additional studies that determine the preventive effects of different doses of zinc on URTI and diarrhoeal disease episodes in children. METHODS: In a randomised, triple-blind clinical trial, we evaluated the efficacy of 12 months of daily zinc supplementation in the incidence of URTI and acute diarrhoea in a population of healthy children aged between 6 and 12 months living in Bogota, Colombia. The outcomes analysed were incidence of URTI, acute diarrhoeal disease episodes, and side effects of the interventions. RESULTS: Between 2010 and 2013, a total of 355 children underwent randomisation, with 174 assigned to the zinc supplementation group and 181 to the control group. In the multivariate analyses, having been randomised to the non-supplemented control group (IRR 1.73, 95% CI 1.52-1.97, p < 0.001), and nursery attendance (IRR 1.41, 95% CI 1.07-1.87, p = 0.016) were independently linked to the number of URTI. Likewise, having been randomised to the non-supplemented group (IRR 1.43, 95% CI 1.20-1.71, p < 0.001), and lower socioeconomic status (IRR 1.86, 95% CI 1.11-3.13, p = 0.018) were independently associated to the number of diarrhoeal disease episodes. CONCLUSIONS: Daily supplementation of 5mg of zinc during 12 months significantly decreased the incidence of URTI and diarrhoeal disease episodes in a healthy population of children aged between 6 and 12 months

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