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Biomedical subjects

D Brasseur

Publications and source records attributed to D Brasseur.

At least 19 recordsLinked to original sources
PubMed1997

Effects of cow's milk supplementation on milk output of protein deficient lactating mothers and on their infants' energy and protein status.

A cow's milk supplement providing 500 kcal (2093 kJ) and 18 g of protein a day was given during 2 months to 83 lactating Zairian mothers suffering from protein malnutrition. The mothers' nutritional status improved significantly after 2 months. The initial 24-hour mother's milk output was on average 607 ml (s.d.: 182) and did not change significantly after 2 months (604 ml; s.d.: 178). Initial milk output and change in milk output did not differ according to mothers' nutritional status at inclusion. Breast-fed infants showed a significant improvement of their mean serum albumin concentration while their growth was similar to the mean growth of children of the same age.

Animals↗
PubMed1996

Prognostic indices for mortality of hospitalized children in central Africa.

A hospital-based follow-up study was conducted between 1986 and 1988 at Lwiro (South Kivu Province, Zaire). Of 1,129 children in the study, three of four were severely malnourished, and 17.4% died. This study analyzes the mortality in hospital; its objectives are to evaluate the prognostic power of edema and anthropometric and biologic indicators and to seek indices that perform better. Receiver operating characteristic curves were established for each parameter under study and for each index constructed. Areas under receiver operating characteristic curves were highest for biologic indicators, and simple indices, obtained by counting the number of risk factors present, performed best. In the absence of biologic parameters, the authors suggest classifying children as at risk of dying when they present with edema and/or with arm circumference of less than 115 mm. When biologic measurements are possible, in addition to edema and arm circumference, the authors suggest taking serum albumin and transthyretin into account. For serum albumin and transthyretin, mortality risk is defined in terms of values of less than 16 g/liter and 6.5 mg/dl, respectively. Children will be classified as at risk of dying when they present with at least two of the four risk factors. The resulting diagnostic test has a high sensitivity (91.2%) and positive and negative predictive values of 40.8% and 97.9%, respectively.

Anthropometry↗
PubMed1996

Significance of very low retinol levels during severe protein-energy malnutrition.

In developing countries, severe vitamin A deficiency is associated with increased child mortality. In Kivu, Zaïre, child mortality rate is approximately 50 per 1000 per year and protein calorie malnutrition is endemic. To evaluate vitamin A status in this population, we measured plasma retinol levels in 28 severely malnourished hospitalized children (plasma albumin level below 3 g/dl), and in 153 outpatients (mean plasma albumin level: 3.19 +/- 0.7 g/dl) as controls. Sixty percent of inpatients and 37 percent of out-patients had retinol levels below 10 micrograms/dl (P = 0.02) suggesting a high prevalence of severe vitamin A deficiency in this population. We found that plasma retinol levels were correlated with low retinol binding protein plasma levels (r = 0.77). We conclude that although vitamin A deficiency probably exists in this malnourished population, low retinol levels could at least partly be related to decreased levels of its carrier protein.

Biomarkers↗
PubMed1996

Vitamin A deficiency and protein-energy malnutrition in a sample of pre-school age children in the Kivu Province in Zaire.

OBJECTIVE: To assess pre-school age children's vitamin A status in a population where protein-energy malnutrition is endemic and serum retinol binding protein and transtyretin concentrations are low. DESIGN: A cross-sectional study. SETTING: Health district of Katana, South-Kivu, Zaire. SUBJECTS: 415 pre-school age children. METHODS: Three methods were used to assess vitamin A status: ophtalmological examination, retinol serum concentration and Relative Dose Response (RDR) test. RESULTS: The only ophthalmological signs of vitamin A deficiency appeared in two cases of night blindness, which represents a prevalence of 0.7%. Deficient serum retinol concentration (< 0.35 mumol/l) was found in 19.7% of the whole study population and in 10.4% of non-infected children in good nutritional status. RDR test carried out on a reduced sample of 79 subjects was abnormal for 7.6% of the children but showed a low sensitivity when compared with serum retinol concentration. CONCLUSION: This survey suggests that in this population of the South-Kivu Province in Zaire, vitamin A deficiency co-exists with protein-energy malnutrition and is a public health problem even with non-malnourished and non-infected children.

Anthropometry↗
PubMed1994

Biological risk factors for fatal protein energy malnutrition in hospitalized children in Zaire.

Biological markers were used in an attempt to predict mortality in children admitted to the hospital in Kivu, Zaire, for protein energy malnutrition. Data for 39 children who died (16.4%) showed significantly lower levels of albumin (1.61 vs. 2.53 g/dl; p < 0.001), transferrin (82.1 vs. 167.7 mg/dl; p < 0.001), and transthyretin (6.49 vs. 9.87 mg/dl; p < 0.001), but not or retinol-binding protein, than for the 199 survivors. Since albumin and transferrin were correlated, a Cox model was used to see whether albumin or transferrin has a significant predictive value independent of transthyretin. The relative risk predicted by each indicator was of the same order of magnitude, approximately 4. We conclude that specific biological markers help to discriminate among hospitalized subjects at risk and to identify those in need of more intensive nutritional support to prevent early death.

Biomarkers↗
PubMed1993

Serum albumin concentration, arm circumference, and oedema and subsequent risk of dying in children in central Africa.

OBJECTIVE: To measure the prognostic value of clinical, anthropometric, and biological indicators of protein energy malnutrition in hospitalised children. DESIGN: Hospital based follow up study from admission to discharge or death of a cohort of children. SETTING-Paediatric hospital in Zaire. SUBJECTS: 1129 children consecutively admitted between August 1986 and October 1988. MAIN OUTCOME MEASURES: Height, weight, arm circumference, skinfold thicknesses, serum albumin concentration, and mortality. RESULTS: Mortality was higher in wasted children and in those with a mid-upper arm circumference < 125 mm, a serum albumin concentration < 16 g/l, and oedema. After multivariate analysis, serum albumin concentration was the best predictor of subsequent risk of dying. Mid-upper arm circumference and oedema, however, still contributed considerably to evaluation of mortality. CONCLUSIONS: In this specific environment of central Africa an isolated clinical sign such as oedema is not enough to detect children with a high risk of dying among those admitted to paediatric wards with severe protein energy malnutrition. Measurement of additional indicators such as arm circumference and serum albumin concentration seems to be of crucial importance.

Anthropometry↗
PubMed1993

[Value of nutritional indicators for the prognosis of intrahospital mortality in children in Kivu].

From 1986 to 1988, 1,129 children were hospitalized in Lwiro (South-Kivu, Zaïre) 3/4 of which were severely malnourished. Anthropometric, clinical and biological indicators were measured at admission. Observed mortality rate was 17.4%. Survival curves differ significantly for each anthropometric parameter measured at inclusion. In multivariate analysis, weight for age calculated with local reference or arm circumference is significantly associated with survival. The addition of serum albumin concentration to the multivariate model, shows this variable to be important. However, the use of an anthropometric indicator, such as weight for age or arm circumference is still important because it maintains an independent and significant effect on survival.

Adolescent↗
PubMed1992

[Enzymes and histology of the intestinal mucosa of breast-fed African infants].

Weight gain and statural growth are slow in the Kivu area (Zaïre), as compared with international reference curves. One hypothesis put forward to explain this well-documented but poorly understood fact is inadequate breast-feeding with early intake of foods responsible for the introduction of microorganisms with deleterious effects on the digestive tract. A study of intestinal mucosa specimens from 90 at least partially breast-fed infants (4 to 22 months) showed that the appearance of the jejunal mucosa was consistently abnormal, as compared with histologic standards used in Europe. Furthermore, intestinal disaccharidase activities were always abnormal; lactase activities were extremely low and alpha-glucosidase activities were reduced by one-third to one-half as compared with European reference values. Age apparently influenced the magnitude of these modifications, whereas the correlation with nutritional status was less clear; only a correlation between the serum albumin level and the microscopic appearance of jejunal biopsy specimens was found. Intestinal alpha-glucosidase levels were lower in those patients with giardiasis. These findings demonstrate that in Kivu early atrophy of the intestinal mucosa contributes, together with the protein-calory malnutrition, to the lower growth rates in infants.

Age Factors↗
PubMed1988

[Validation of fast nutritional scoring. Application to 80 cases of "homing" diarrhea].

Pediatricians often have to assess the nutritional status of their patients from unprecise anamnestic information, unreliable clinical signs or biological data difficult to interpret. None of these parameters can be used alone to establish the nutritional status of a sick child. The validity of a simple and rapid nutritional score was tested. The score consisted of 3 anthropometric parameters (weight, height, triceps skinfold) and 4 biological analyses frequently used in pediatric practice (albumin, transferrin, alkaline phosphatase and ferritin serum determinations). The usefulness of the score was established through the important nutritional deficiencies observed in 80 children admitted for "homing diarrhea" requiring early nutritional support.

Alkaline Phosphatase↗
PubMed1985

Tick-borne relapsing fever in a premature infant.

Relapsing fever is caused by the Borrelia species of spirochetes. Louse-born epidemics of the disease may occur but the endemic disease is usually transmitted to humans by the bite of an infected tick (Ornithodorus). Transplacental infection was suggested more than 75 years ago (1) but has been rarely documented (2). We describe a case of neonatal relapsing fever where maternal infection was the probable cause of the premature delivery and infection in the infant.

Adult↗