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Relationship of child-feeding practices to overweight in low-income Mexican-American preschool-aged children.

OBJECTIVE: The purpose of this research was to examine the relationship of child-feeding practices and other factors to overweight in low-income Mexican-American preschool-aged children. DESIGN: Cross-sectional survey with anthropometric measurements of mothers and target children. Trained bilingual staff interviewed the parents to collect data on child-feeding strategies, food patterns, child's health history, parental acculturation level, food insecurity, and other household characteristics. Subjects and setting Complete data were available from 204 low-income Mexican-American parents residing in California with at least one child aged 3 to 5 years. Outcomes measured Risk of overweight was defined as body mass index (BMI) (measured as weight [in kilograms]/height [in meters](2)) >/=85th percentile and overweight was defined as BMI >/=95th percentile. The Student t test, chi(2) test, and logistic regression were used. RESULTS: Three variables were positively related to risk of overweight: birth weight (odds ratio [OR], 2.31; 95% confidence interval [CI], 1.11 to 4.82), mother's BMI >/=30 (OR, 2.05; 95% CI, 1.11 to 3.79), and juice intake (OR, 2.33; 95% CI, 1.09 to 4.98). Being enrolled in the Special Supplemental Nutrition Program for Women, Infants, and Children was negatively related to risk of overweight (OR, 0.40; 95% CI, 0.21 to 0.75). Additional variables related to overweight were monthly income >$1,500 (OR, 2.33; 95% CI, 1.00 to 5.42) and child takes food from the refrigerator between meals (OR, 0.32; 95% CI, 0.13 to 0.76). CONCLUSIONS: The results of this study suggest that biological and socioeconomic factors are more associated with overweight in Mexican-American preschool-aged children than most of the self-reported child-feeding strategies.

Acculturation↗

Vaccination practices, policies, and management factors associated with high vaccination coverage levels in Georgia public clinics. Georgia Immunization Program Evaluation Team.

BACKGROUND: Controlling vaccine-preventable diseases by achieving high childhood vaccination coverage levels is a national priority. However, there are few, if any, comprehensive evaluations of state immunization programs in the United States, and little attention has been given to the importance of vaccination clinic management style and staff motivation. OBJECTIVE: To evaluate the factors associated with the increase in childhood vaccination coverage levels from 53% in 1988 to 89% in 1994 in Georgia's public health clinics. DESIGN: A 1994 mail survey obtaining information on clinic vaccination policies and practices and management practices. SETTING: All 227 public health clinics in Georgia. PARTICIPANTS: Clinic nurses responsible for vaccination services. OUTCOME MEASURE: The 1994 clinic-specific coverage level for 21- to 23-month-old children for 4 doses of diphtheria and tetanus toxoids and pertussis vaccine, 3 doses of polio vaccine, and 1 dose of a measles-containing vaccine as determined by an independent state assessment of clinic coverage levels. RESULTS: Univariate analysis showed that higher coverage levels were significantly (P<.05) associated with smaller clinic size, higher proportions of clientele enrolled in the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC), being a nonurban clinic, and numerous vaccination practices and policies. Multivariable analysis showed that only 8 of greater than 150 factors remained associated with higher coverage levels, including having no waiting time to be seen, having telephone reminder systems, conducting home visits for defaulters, and restricting WIC vouchers when a child was undervaccinated. Motivational factors related to higher coverage included clinic lead nurses receiving an incentive to raise coverage and lead nurses participating in assessments of clinic coverage levels by state immunization staff. CONCLUSIONS: No single factor is responsible for raising vaccination coverage levels. Efforts to improve coverage should include local assessment to provide feedback on performance and identify appropriate local solutions. Coordinating with WIC, conducting recall and reminder activities, motivating clinic staff, and having staff participate in decisions are important in raising vaccination levels.

Ambulatory Care Facilities↗

Mothers misunderstand questions on a feeding questionnaire.

Feeding questionnaires have not consistently identified mothers' beliefs or behaviors associated with preschool children becoming overweight. One reason may be that mothers do not understand the constructs in the questions in the way intended by the developers of the questionnaire. This study assessed items on the Preschooler Feeding Questionnaire (PFQ)--a maternal questionnaire about feeding practices and beliefs relating to the weight status of preschoolers. Seven audio-taped interviews were conducted with African American mothers of 24-59 month-old children in Chicago enrolled in the Special Supplemental Nutrition Program for Women, Infants, and Children. Questions in the PFQ were interpreted by respondents to mean something other than what was intended. In particular, the constructs difficulty in child feeding, pushing the child to eat more, and using food to calm the child were present among the mothers but not captured by items on the questionnaire. Thus, qualitative interviewing could help to match the intention in asking a question with its interpretation by respondents. A mismatch may contribute to our low level of understanding about the causes of early obesity.

Adult↗

[Intervention programs in hospital nutrition: actions, design, components and implementation].

Metabolic, Nutrient and Feeding Intervention Programs must become the methodological tool for dealing with the health problem posed by disease-associated-malnutrition on one side, and the "Bad Practices" affecting the nutritional status of the patient, on the other one. Programs like these ones should prescribe clear policies and actions in the three domains of contemporary medical practice: assistance, research and education. The fullfillment of these Program's objectives, and the relization of the implicit benefits, will only be possible if a methodological platform that armonically integrates elements of Continuous Education, Cost Analysis, Recording and Documentation, and Quality Control and Assurance, is created. The experience acumulated after the inception and conduction of the Intervention Program at the Clinical-Surgical "Hermanos Ameijeiras" Hospital (Havana City, Cuba) has served to demostrate that it is feasible not only to create a theoretical and practical body to satisfy the aforementioned goals, but, also, to export it to another institutions of the country, in view of the fact that minimal investments for adquiring the resources needed to deploy such Program, as well as for training and capacitation of medic and paramedic personel in the corresponding Recording & Documentation and Feeding & Nutrition Good Practices might result in short-term economical and medical care benefits.

Costs and Cost Analysis↗

Western Australian Health Department recommendations for fruit and vegetable consumption--how much is enough?

In 1989 the Nutrition Program of the Health Department of Western Australia determined a minimum recommended daily intake of fruit and vegetables for use in promotion of increased fruit and vegetable consumption. Considerations in the development of this recommendation included: a review of existing recommendations; the protective effects of fruit and vegetables; specification of fruit and vegetables separately or together; classification of fruit and vegetables; definition of a serve; and practical considerations for the implementation of the recommendation. This paper outlines the development of the recommendation to eat at least two average-sized (120-150 g) pieces of fruit and five average-sized (60-90 g) serves of vegetables daily.

Fruit↗

Parenteral aluminum loading in critical care medicine. Part II: Response to aluminum load from long-term parenteral nutrition.

OBJECTIVE: Evaluation of the iatrogenic aluminum load by aluminum-contaminated nutritive infusion solutions in long-term total parenteral nutrition (TPN). PATIENTS: 16 consecutive patients (6 children, 10 adults) who had to undergo total parenteral nutrition for more than one month. Three of them were from a home parenteral nutrition program. The duration of TPN was up to 68 months. The parenteral aluminum load was calculated on the basis of the individual TPN programs. Six patients were exposed to an additional parenteral aluminum load in the course of intensive care. Comparative group: To establish a reference range, the serum aluminum concentrations were determined in 71 unloaded patients who had to undergo minor surgical procedures. ALUMINUM ANALYSIS: Strict adherence to a contamination-free sampling and processing technique. The aluminum determination was performed at the Hahn-Meitner-Institute Berlin by means of graphite-furnace atomic absorption spectrometry (GFAAS). RESULTS: The TPN-associated daily aluminum load was 3.5 +/- 0.4 micrograms/kg body weight (bw) in children and 2.2 +/- 1.8 micrograms/kg bw in adults. 59 +/- 6% of the intravenous aluminum load in children and 42 +/- 16% in adults was due to the highly contaminated small-volume calcium, inorganic phosphate, trace element and vitamin parenterals. The median serum aluminum concentration under TPN was 10.9 micrograms/l (range: 5.0-26.9 micrograms/l) and was thus 7.3 times higher than in the preoperative control group (median: 1.5 micrograms/l, 95% confidence interval: < 0.6-3.5 micrograms/l). Individual values ranged up to 36.8 micrograms/l. CONCLUSIONS: The aluminum intake of patients on parenteral nutrition in Germany is thus on occasion considerably above the ASCN/ASPEN recommendations for the limitation of intravenous aluminum loading (ASCN: American Society for Clinical Nutrition; ASPEN: American Society for Parenteral and Enteral Nutrition). The toxicological significance of parenteral aluminum loading is discussed. The results suggest that limits should be established for the Aluminum contamination of infusion solutions.

Adult↗

Clinical use of total nutritional admixtures.

The administration of a single mixture of the components of total parenteral nutrition (TPN) constitutes total nutritional admixture (TNA), the safety and efficacy of which in a variety of clinical settings have been confirmed by controlled trials. According to the nitrogen balance and stable isotope methods, TNA is as efficacious as the old system of three bottles with piggyback intravenous fat emulsion in maintaining body nitrogen mass, visceral protein, and liver function. Also, serum concentrations of electrolytes, trace elements, and vitamins can be maintained adequately using the TNA system. The other advantages are the timesaving to the nursing staff, with its hidden savings in cost; the avoidance of a peripheral catheter solely for the infusion of lipid emulsion in addition to the central catheter for TPN in hospitalized patients; and the facility of use in home nutrition programs. The ease of home use has resulted in a greater degree of patient compliance; thus patients receive a mixed-fuel system while avoiding the hazards of a piggyback infusion, with all its potential complications. Among the perceived disadvantages of TNA are a supposed higher frequency of catheter-related sepsis, a view based on in vitro studies that is not borne out by in vivo studies; catheter occlusion by precipitation of calcium salts; and enhanced ability to clear fat and thus fat tolerance with continuous infusion of lipids. Numerous studies have shown that these concerns are unwarranted.

Bacteria↗

Catch-up growth in small-for-gestational-age term infants: a randomized trial.

BACKGROUND: Small-for-gestational-age (SGA) term infants are at risk of long-term growth deficits. OBJECTIVE: The objectives were to test the hypothesis that postnatal growth in SGA term infants can be altered by dietary intervention and to examine whether there is a critical window for nutritional programming of the growth trajectory during the first 9 mo postnatally. DESIGN: Healthy term (gestation > or =37 wk) infants with birth weights below the 10th centile were randomly assigned to receive standard term formula (TF; n = 147) or nutrient-enriched formula (EF; n = 152) for the first 9 mo; 175 breast-fed SGA term infants formed a reference group. The main outcome measures were weight, length, and occipitofrontal head circumference (OFC) at 9 and 18 mo. RESULTS: The infants fed the EF showed greater gains in length by 9 (1.1 cm; 95% CI: 0.38, 1.79) and 18 (1.0 cm; 0.25, 1.83) mo and in OFC by 9 (0.5 cm; 0.1, 0.9) and 18 (0.6 cm; 0.2, 1.1) mo than did infants fed the TF; the differences were larger in females. The dietary effects were independent of the pattern of growth retardation. Breast-fed infants showed greater gains in weight and OFC by 18 mo than did infants fed the TF; however, these differences disappeared after adjustment for age, parental size, and birth order. CONCLUSIONS: Linear growth and OFC gains in SGA term infants improve after nutritional intervention during the first 9 mo of life and the effects persist for > or =9 mo beyond the intervention period. Further information on whether catch-up growth is beneficial or detrimental to long-term outcomes is required before public health interventions can be recommended.

Analysis of Variance↗

[Clinical studies with fat emulsions containing LCT and MCT].

In an effort to supply energy carriers with a high utilization rate specifically in parenteral nutrition during postaggression metabolism, fat emulsions were developed containing long- and medium-chained triglycerides in a 1:1 ratio. The special advantage of the medium-chained fatty acids is, among other things, their low rate of accumulation and high oxidation rate in the organism. Using a graduated schedule, intensive-care patients who were being parenterally fed exclusively were administered either an MCT/LCT mixture or an LCT emulsion alone as a bolus injection and later continuously. Among other things, the behavior of the triglyceride concentrate and the individual fatty acids in serum and of individual lipid fractions, as well as the effect on various parameters of carbohydrate and fat metabolism, were measured. In addition, the oxidation rate of an MCT/LCT emulsion labelled with 13C was measured. The results of the comparative lipid studies were compared. The expected result-that the oxidation rate of medium-chained triglycerides exceeds that of long-chained triglycerides-was confirmed. It was surprising that the median oxidation rate with a continuous fat supply within a complete nutrition program was only 32 +/- 6.8%. Why some patients showed higher triglyceride levels with the MCT/LCT emulsion than with the supply of LCT alone is still unclear. It remains to be investigated whether the rapid splitting of medium-chained triglycerides leads to a temporary loss of activity of the lipoprotein lipase accompanied by a rise in triglycerides in serum. More research will be necessary before we know what role MCT/LCT emulsions will play in future. Such an emulsion would possibly be suitable in severely injured patients, whereby the MCT portion could preferentially supply the organism with energy carriers and the long-chained triglycerides structural components.

Critical Care↗

Thermic effect and substrate oxidation in response to intravenous nutrition in cancer patients who lose weight.

This study examined oxidative metabolism and thermogenesis in the acute response to controlled intravenous nutrition in seven cancer patients who lost weight. Six weight-losing and malnourished patients without cancer served as controls. Indirect calorimetry was used and measurements of arterial concentrations of various substrates, metabolic end products, and insulin were performed. Resting energy expenditure (REE) was measured after an overnight fast. The resting energy need was calculated for each patient according to REE. The nutrition program consisted of glucose and lipids (Intralipid KabiVitrum AB, Stockholm, Sweden) each as 50% of nonprotein calories and amino acids (6.9 mg N/kcal). These substrates were infused simultaneously at rates equivalent to one, two, and three times REE, over periods of 6.5 hours on 3 consecutive days after a 12-hour fast. Arterial substrate levels and energy expenditure were measured between 6 and 6.5 hours after the start of the infusion. The cancer patients had well-recognized metabolic changes in the fasted state, such as elevated plasma levels of glycerol, triglycerides, free fatty acids, and lactate, and higher energy expenditure than predicted. The cancer patients responded to strictly defined substrate challenge in a similar way as the malnourished patients without cancer. Whole body oxidative capacity and the proportion of infused glucose and lipids that were oxidized at different levels of infusion rates were not decreased in cancer patients compared with control patients. Similar arterial substrate concentrations among the groups during infusions argues for a maintained plasma clearance of the substrate in the cancer patients. This study supports the suggestion that cachectic cancer patients can generate and conserve energy normally in response to intravenous nutrition. This refers to cancer patients with a history of weight loss up to 15% of their normal body weight. Therefore, weight loss due to altered tumor-host metabolism in cancer patients is of quantitative importance in the fasted state rather than in the fed state.

Aged↗

Early introduction of solid foods among urban African-American participants in WIC.

OBJECTIVE: To compare infant feeding practices among low-income, urban, African-American women enrolled in the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) with current recommendations for infant feeding. DESIGN: Longitudinal follow-up of women and their infants who participated in a WIC-based breast-feeding promotion project. Women enrolled prenatally at or before 24 weeks of gestation were followed up until 16 weeks postpartum. SUBJECTS/SETTING: Two hundred seventeen African-American WIC participants in an urban area. METHODS: Data related to infant feeding practices were collected by interviewers who used a structured questionnaire to determine when nonmilk liquids or solids were introduced to the infant. Reported practices were compared with current recommendations. STATISTICAL ANALYSIS PERFORMED: Contingency table analysis, including chi 2 tests, and multivariate analysis using logistic regression. RESULTS: By 7 to 10 days postpartum, approximately a third of infants were receiving some nonmilk liquids or solids; this escalated to 77% by 8 weeks and 93% by 16 weeks postpartum. Women breast-feeding exclusively (i.e., not adding nonmilk liquids or solids) were least likely, and women providing mixed feeding (breast milk and formula) were more likely, than women feeding formula exclusively to introduce nonmilk liquids and solids at each data collection time period. APPLICATIONS/CONCLUSIONS: WIC participants who receive instruction about infant feeding nutrition are no more likely than mothers who do not participate in WIC to follow infant feeding guidelines recommended by the American Academy of Pediatrics in regard to the time when solids should be introduced to infants' diet. Our findings suggest the need for WIC to implement more powerful and innovative educational and motivational strategies to help mothers delay the introduction of nonmilk liquids and solid foods until their infants are 4 to 6 months old, as recommended.

Black or African American↗

Use of an intercostal vein for central venous access in home parenteral nutrition: a case report.

A key factor in the success of a home parenteral nutrition program is prolonged and safe access to the central venous system. There are some patients, however, in whom the cephalic, external jugular, internal jugular, subclavian, and saphenous veins cannot be used. In these patients, cannulation of an intercostal vein can be useful for central venous access. Such a patient was recently presented to our medical care facility with bilateral subclavian vein thrombosis, left external iliac vein thrombosis, and superior vena cava obstruction above the level of the azygous vein. A Broviac catheter was successfully introduced via a right intercostal vein cutdown with the catheter tip lying in the azygous arch. This is the first known description in an adult patient in the use of an intercostal vein to gain access into the central venous system.

Adult↗

Rapid infant weight gain predicts childhood overweight.

OBJECTIVE: To determine among a contemporary cohort whether rapid weight gain between birth and 6 months is associated with risk of childhood overweight and if this risk differs by ethnicity and/or breast-feeding history. RESEARCH METHODS AND PROCEDURES: This was a cross-sectional survey in 1999 to 2000 of parents/guardians of children participating in the Special Supplemental Nutrition Program for Women, Infants, and Children in New York State. Measurements were abstracted by chart review, including weight at birth and 6 months, and height and weight at time of survey and every 6 months subsequently. Overweight at 4 years of age was defined as a BMI > or = 95th age- and sex-specific percentiles. RESULTS: The study sample was 32% Hispanic, 19% black, and 49% white; 17% of children were overweight. Rate of infant weight gain (expressed in terms of 100 g/mo) was significantly associated with being overweight at 4 years (odds ratio, 1.4; 95% confidence interval, 1.3 to 1.6 after adjusting for history of breast-feeding, birth weight, and ethnicity). The odds of being overweight at 4 years of age for Hispanic children were twice those of non-Hispanic children (odds ratio, 2.2; 95% confidence interval, 1.5 to 3.3). The population-attributable risk of overweight at 4 years of age was 19% for children in the highest quintile of infant weight gain. DISCUSSION: Among this contemporary, multi-ethnic cohort, rapid infant weight gain was associated with increased risk of being overweight at 4 years of age, independently of potential confounders. Identification of the risk factors contributing to rapid weight gain during infancy might improve early recognition and guide strategies for optimal nutrition to prevent the development of childhood overweight.

Body Weight↗

Behavioral research contributions and needs in cancer prevention and control: dietary change.

This paper summarizes key behavioral research contributions to the promotion of healthful diets and identifies the outstanding behavioral research needs that could lead to positive dietary changes in the United States. Nutrition plays an important role in the initiation, promotion, and progression of cancer. Dietary guidelines for health promotion and cancer prevention recommend diets that are lower in fat and higher in fiber, fruits, and vegetables. Behavioral research on dietary change has become more rigorous and sophisticated in the past decade, with noteworthy contributions in four areas: behavioral research within clinical trials, self-help or minimal contact intervention strategies, school nutrition programs and services, and advances in the development of measures. Work in progress includes large-scale randomized intervention trials, with the majority of funding for studies to increase fruit and vegetable consumption. There are many needs for further research. Six priority areas for behavioral research are identified and discussed: (1) determinants of dietary behavior and change processes; (2) policy, environmental, and organizational interventions; (3) studies of dietary change and exercise and interventions with persons at high risk for diet-related cancers; (4) methodological research; (5) research on diffusion and dissemination; and (6) systematic behavioral research on dietary change in clinical trials. A concerted research effort in the area of dietary change has great potential benefits for cancer prevention and control and for public health in general.

Diet, Fat-Restricted↗

Length screens better than weight in stunted populations.

Stunting (low length-for-age) is the most widespread manifestation of growth retardation worldwide. Yet, most nutrition programs use weight-for-age for screening of at-risk children. This study tested whether weight-for-age was an effective screening tool in a severely stunted rural Guatemalan population, using data from the INCAP longitudinal supplementation trial (n = 400). Stunting was defined as length-for-age < -2 SD of the National Center for Health Statistics standards at 3 y of age. Sensitivity and specificity analyses and receiver operating characteristics curves were used to compare weight indicators (weight-for-age, weight velocity and weight-for-length) with length (length-for-age and length velocity) and arm and head circumferences measured during early infancy. Length indicators were clearly superior to weight in predicting stunting (Zda test), and velocities were consistently worse than attained growth. Length-for-age at 6 mo had the best performance, followed by length-for-age at 3 mo, and weight-for-age at 6 and at 3 mo. Velocities, weight-for-length and circumferences were all poor predictors of stunting. Using the cutoff of < -1 SD, length-for-age at 3 mo was the best screening indicator for the early detection of growth faltering. Thus, the current use of weight-for-age, which results in large proportions of at-risk children being missed by screening, greatly limits the potential for impact of nutrition interventions.

Anthropometry↗

Stages of change for weight management in postpartum women.

OBJECTIVE: This study examined factors related to stages of change for weight-management behaviors in postpartum women. DESIGN: Cross-sectional data, collected at baseline, are reported from the Mothers' Overweight Management Study (MOMS), a randomized, controlled trial conducted in postpartum women who participated in the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC).Subjects/Setting Subjects were a sample of WIC recipients (N=151) older than 18 years of age with a child younger than 2 years. Statistical analysis The dependent variables were the stages of change for weight-management behaviors (losing weight, avoiding high-fat foods, eating a high-fiber diet, and exercising). Demographic, health, and psychosocial variables were examined as independent variables. One-way analysis of variance was used to compare means, and chi(2) was used for proportions. RESULTS: Whereas 55% of women were in the action stage for weight loss, fewer women were in the action stage for the following weight management behaviors: avoiding high-fat foods (24%), increasing fiber (19%), and exercising three times per week (29%). Identifying pros for weight management was related to stages for losing weight, high-fat food avoidance, and exercise (F=13.4, P<.001; F=10.5, P<.001; F=3.7, P<.007, respectively). Self-efficacy for choosing a low-fat restaurant meal or using food labels was positively related to later stages for avoiding high-fat foods and increasing fiber intake (chi(2)=16.4, P=.003; chi(2)=11.7, P=.02). CONCLUSIONS: Emphasizing the pros for weight-management behaviors, decreasing the cons for exercising, increasing confidence to select low-fat restaurant choices, and improving skills for using food labels are four strategies that nutrition professionals can use to help women become more ready to change behaviors for weight management.

Adolescent↗

The 5 A day Virtual Classroom: an on-line strategy to promote healthful eating.

Communications technology can help stimulate youth to become involved in health promotion. This article reports on an innovative, Internet-based nutrition program that encouraged children to be advocates for policies that promote eating more fruits and vegetables, the 5 A Day Virtual Classroom. Through this program, students from across the United States discussed the recommendation of 5 A Day at the same time in a classroom without walls. In September 1997 children were asked, "If you were President Clinton, how would you get kids across the country to eat 5 A Day?" Based on content analysis of responses, this article suggests strategies that policymakers could use to encourage children to consume more fruits and vegetables. Approximately 2,600 students participated; 635 entries and 910 suggestions were received. The suggestion categories cited most often were mass media (19.8%), economic issues (15.4%), and social influence (13.8%). The most frequently mentioned specific ideas were to reward children for eating fruits and vegetables and to use presidential authority. Some regional, age, and gender patterns were found. Findings support the potential impact on health education of the 5 A Day Virtual Classroom and of interventions based on communications technology.

Child↗

Priapism associated with the use of intravenous fat emulsion: case reports and postulated pathogenesis.

During the 8 years since inception of a home total parenteral nutrition program in 35 male patients 2 suffered priapism related temporally to the weekly intravenous infusion of 20 per cent fat emulsion. Fat emulsions have been shown to cause hypercoagulability, capillary thrombosis and fat embolus in in vivo and in vitro experiments. Autopsies of patients treated with intravenous fat emulsion have revealed capillary engorgement and fat embolus with associated organ infarction. We postulate that fat emulsions may cause priapism in these patients. Because of the more frequent occurrence of priapism in this small subset of patients we now recommend that 1) patients be informed of this potential complication before hyperalimentation is begun, 2) the less concentrated 10 per cent emulsion should be used twice weekly, rather than the 20 per cent emulsion weekly, and should be infused during at least 4 hours, and 3) the fat emulsion should be added to other components of the intravenous regimen, when possible, to dilute the fat and prolong its administration time.

Adult↗