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Biomedical subjects

P Senga

Publications and source records attributed to P Senga.

At least 37 records · Page 2Linked to original sources
PubMed2002

[Recovery from exercise in trained smokers].

AIM: Assess the influence of tobacco on recovery after exercise in sportsmen. METHODS: Sixty-three smokers aged 18-33 years, practising soccer, participated in this study. These subjects belonged to second division congolese league clubs. Heart rate (HR) was studied during recovery of moderate exercise (Ruffer's test), but also recovery index and arterial pressure. Kinetics of the HR was studied for 7 min for recovery. A control group consisted of 50 non smokers, practising soccer at similar level. RESULTS: Smokers showed heart rate values significantly higher (P < 0.001). Non smokers presented a low recovery index. The recovery has generally two components: the first is slow in smokers, while the second is a fast one. However, recovery rate for the smokers was more rapid during the alactic phase. There exists also differences with regards to smoking tobacco dependence: when compared to great smokers, lower smokers exhibited a faster first phase and a slower second phase. These differences were significant. DISCUSSION AND CONCLUSION: The smokers and non smokers differences are discussed with reference to the effects of nicotinemia and carbon monoxide on sympathetic-parasympathetic balance. Cardiovascular changes during exercise have a twofold control: decrease a vagal tone and increase of sympathetic activity. The comparison of smokers and non smokers concerning recovery led to suppose that there exists a difference in regards of the catecholaminergic sensitivity. The problem of thermoregulation must not be neglected during recovery. As smokers are considered, cutaneous thermolysis is perhaps important when these subjects perform exercise in ambient hot air. Here against, it is known that thermolysis mechanisms are not similar in smokers and non smokers. In conclusion, this study showed that smoking tobacco induce a lower physical condition in sportmen. Recovery rate after exercise may function as a predictor of fitness in smokers.

Adolescent↗
PubMed2002

[Severe malaria associated with acute renal insufficiency: apropos of a case].

Renal insufficiency as a complication of severe malaria is a rare pathology. A case was observed in young girl aged 10.5 years following Plasmodium malaria fever. Clinical features included severe anemia, oligo-anuria, and creatinemia of 80 mg/l. The haemoglobin electrophoresis was standard. Under furosemide, the resumption of diuresis was effective nine days later. Renal functions of the child affected by severe Plasmodium malarial fever must always be checked.

Acute Kidney Injury↗
PubMed2001

[Kawasaki syndrome: apropos of 2 cases observed in Brazzaville].

The authors report for first time in Congo two cases of Kawasaki syndrome. One case from a five years boy carried out a typical form of an adeno-mucocutaneous syndrome; the other from a six month little girl was an incomplete form. In both cases, the immediate development has been excellent. The scarceness of this syndrome among the blacks and the diagnostic difficulties have been the background of the interest of this work.

Child, Preschool↗
PubMed2000

[Sleep epilepsy].

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Child, Preschool↗
PubMed2000

[Early isosexual precocious pseudopuberty revealing a juvenile granulosa cell tumor in a 3-year-old Congolese girl].

We describe a juvenile granulosa cell tumor expressed by an early pseudopuberty occurring in a 3-year-old black child. Clinically, an endocrine syndrome was associated with a pelvic mass and ascites. Hyperoestrogenia and serum alphafetoprotein level were biologically detected. Histological examination showed typical microscopic features of a granulosa cell tumor. The patient is well four years after surgery. Growth and mental development are normal.

Child, Preschool↗
PubMed1994

Cerebral malaria in African children: socioeconomic risk factors in Brazzaville, Congo.

Current epidemiologic and clinical research on cerebral malaria is directed towards prognostic criteria and neurologic sequelae. However, the assessment of risk factors related to the environment and the socioeconomic standard of the family is of practical as well as theoretical interest. A prospective survey was carried out in March 1990 in Brazzaville, Congo by interviewing subjects in two groups: 1) 600 households representative of the Brazzaville population and 2) 84 households with a child who had been hospitalized for cerebral malaria between January 1, 1988 and June 30, 1989 (i.e., 9-27 months prior to the interview). The mothers' knowledge and attitudes with regard to the prevention and treatment of malaria in children were assessed, as was the socioeconomic standards of the households. The group in which at least one child had been hospitalized for cerebral malaria had a lower socioeconomic standard than the control group. Other differences in this group included a greater number of offspring and a higher average number of decreased children, less chemoprophylaxis, antimalarials available less often in the household, less early treatment of fever at home, and drugs bought more often at the market. There was no significant difference between the groups with regard to using the correct dosage of chloroquine, ownership of a mosquito net, or the use of insecticides or repellents.

Adult↗
PubMed1992

[Birth weight of full term neonates in Brazzaville (Congo)].

This study of birth weights of full term neonates completes the preliminary investigations undertaken in Brazzaville in 1985. Mean birth weight was 3,090 +/- 492 g, with higher values in males than in females. Birth weight increased with maternal age up to 30 years, with parity up to 5, and with maternal weight/stature ratio. Nutritional factors seemed to have a major influence on the birth weight of full term babies.

Adolescent↗
PubMed1987

Malaria and urbanization in central Africa: the example of Brazzaville. Part V: Pernicious attacks and mortality.

The current incidence of pernicious attacks and of mortality due to malaria were studied in Brazzaville. The results of this study, which concerned all the medical units of the town, were analysed in terms of previous studies on the epidemiology of malaria transmission in the various districts of the town. It was estimated that the annual incidence of pernicious attacks in children in Brazzaville is 1.15 per thousand between 0 and 4 years, 0.25 per thousand between 5 and 9 years and 0.05 per thousand between 10 and 14 years. The annual mortality due to malaria was estimated at 0.43 per thousand between 0 and 4 years and 0.08 per thousand between 5 and 9 years. These values are about 30 times lower than those expected from the results of previous studies of the mortality due to malaria in intertropical Africa. Whereas considerable differences in intensity of malaria transmission exist in the different districts of Brazzaville, the incidence of pernicious attacks and the resulting mortality are remarkably unvarying whatever the level of transmission. In particular, similar results were observed for the sector Mfilou-Ngamaba-Ngangouoni, where malaria is holoendemic with over 100 infective bites per person per year and a parasite rate of 80.95% in schoolchildren, and the central sector of Poto-Poto-Ouenze-Moungali, where malaria is hypoendemic with less than one infective bite per person every three years and a parasite rate of less than 4% in schoolchildren. These results are discussed in terms of previous observations in urban and surrounding rural areas.(ABSTRACT TRUNCATED AT 250 WORDS)

Adolescent↗