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Le dépôt numérique grenier du savoir du Burundi est une collection de documents scientifiques produits par les chercheurs de l'Université du Burundi, y compris des mémoires, des thèses, des revues, des articles, des rapports techniques, etc. Il s'agit du dépôt institutionnel officiel de l'Université du Burundi

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Prévalence et facteurs de risque des troubles électrolytiques chez les personnes âgées hospitalisées au Centre Hospitalo-Universitaire de Kamenge.
(UB, Revue medical de Bujumbura, 2021-06) Gaturagi, Charles; Nyandwi, Joseph; Ndirahisha, E
Objective: To determine the prevalence and risque of elctrolyte disturbances in the elderly patients in hospital aria. Patients and methods: This is a descriptive and cross sectional study done from May 2016 to march 2017 involving elderly patients hospitalised in the internal medicine department of CHU Kamenge with electrolyte disorders. Data were entered and analyzed sing the info 7.2 epi software. The proportions were compared using the exact Fischer test with p ˂ 0.05 considered as significant. Results: The prevalence of electrolyte disturbances was 81.7%. Hyponatremia was found with a prevalence of 50.65%, hypernatremia with a prevalence of 5.84%, hypokaliemia with a prevalence of 27.92%, hyperkalaemia with a prevalence of 20.77%, hypochloremia and hyperchloremia with prevalences of 31.81% and 25.32% respectively. For 138 patients in whom the calcemia was made, 29 patients (21%) had hypocalcemia and 11 patients (8%) hypercalcemia. Age between 60 and 75(p=0.02), male sex (p=0.03), use of diuretics (p=0.02) and anti-diabetics (p=0.005) were risk factors of eletrolyte disturbances. A total of 127 patients improuved and 27 died or 17.53%. Conclusion: The prevalence of electrolyte disturbances is high. Hyponatremia is the most common electrolyte disorder and hyperkalemia was the most deadly in our series. Male sex, taking diuretics and anti-diabetics was the risk factors for electrolytes disturbances.
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Evaluation de l’activité antimicrobienne et antioxydante des huiles essentielles d’Eucalyptus Maidenii F. Muell., de Cymbopogon Citratus (DC.) STAPF, de Rosmarinus Officinalis L., de Bidens Pilosa L., d’Ageratum Conyzoides L. et de Moringa Oleifera Lam du Burundi et leurs applications dans la conservation de la viande hachée
(UB, EANSI, 2025-12) Ndikuriyo, Thierry; Sous la direction de : Dr. Ir. Nahimana, Paterne; Nzoyisubiziki Japhet, MSc
Minced meat is a highly perishable product, prone to microbial and oxidative spoilage. However, conventional preservation methods rely on chemical additives, which are often criticized for their potentially harmful effects on health and the environment. This work aims to evaluate the antioxidant and antimicrobial properties of essential oils extracted from Eucalyptus maidenii F. Muell, Cymbopogon citratus (DC.) Stapf (lemongrass), Rosmarinus officinalis L. (rosemary), Bidens pilosa L., Ageratum conyzoides L., and Moringa oleifera Lam, as well as to study their effectiveness in preserving minced meat. The antioxidant activity was measured using the free radical scavenging method with DPPH, at concentrations of 5%, 10%, 25%, and 50%, with ascorbic acid as the reference standard. The antimicrobial activity, on the other hand, was evaluated by applying the essential oils to microbial suspensions extracted from contaminated ground meat, at concentrations of 250, 500, and 1000 μg/mL, which were applied to the targeted microorganisms including total mesophilic aerobic flora (TMAF), Escherichia coli, Salmonella, and Staphylococcus. All the essential oils showed varying antioxidant power, with Cymbopogon citratus displaying the highest inhibition percentage (up to 47.84 ± 0.11000% at a concentration of 5%), while the essential oils of Eucalyptus maidenii and Rosmarinus officinalis showed lower antioxidant activity at this concentration (respectively: 15.8633 ± 0.00577 and 21.8267 ± 0.00577%). In terms of antimicrobial activity, the effects were monitored by microbial counts after 24, 48, and 96 hours. Lemongrass proved to be the most effective, completely inhibiting the microbial growth of all targeted microorganisms starting from a low concentration (250 μg/mL). In contrast, E. maidenii and R. officinalis showed partial inhibition of microbial growth at 250 μg/mL and 500 μg/mL, respectively, also observed for R. officinalis at 1000 μg/mL. These results highlight that certain local essential oils have genuine potential to improve food preservation by reducing microbial load and limiting oxidation, thereby opening promising prospects for the development of natural alternatives of food security.
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Les facteurs motivationnels de la fréquentation des boites de sauna au Burundi
(Podium of Sport Sciences, 2015-01) Gaturagi, Charles; Nyandwi, Joseph; Bizimana, Jean Berchmans; Et. al.
Objective: To determine the various motivational factors of the practice of the sauna, and to identify the sources of information relating to the effects of this practice held by the practitioners. Methodology: This prospective study with analytical and prospective aims, carried out in the city of Bujumbura, targeted anyone who came for a session during the period of visit and data collection from the different boxes. The k-Nearest Neighbors method and data analysis using R version 3.5.0 statistical software were used. Results: Men aged 38.36 ± 11.78 years were more numerous in our study, and had a weight of 79.18 ± 12.91 kg. The information on the effects of the sauna was provided mainly by third parties. Intermittent sessions of 30 minutes were practiced approximately 3 times a week. Stress and flu were the main reasons for sauna practice to improve their well-being. Conclusion: Stress and the flu were the main motivational factors mentioned by sauna users. The other reason given by the overweight subjects and alcohol consumers was the confusion of the practice of the sauna with the practice of physical activity.
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Diabète et complications infectieuses : étude réalisée au Centre Hospitalier Universitaire de Kamenge à propos de 36 cas
(Médecine d’Afrique Noire, 2021-09) Gaturagi, Charles; Habonimana, Aimable; Iradukunda, A.
Diabetes and infectious complications: A study of 36 cases at the Kamenge University Teaching Hospital Introduction: Diabetes is associated with a high risk of infections, mainly bacterial. This is believed to be linked to the detrimental effect of hyperglycemia on cellular immunity. These infections are grafted with a heavy morbidity and mortality in this population. The aim of this study is to determine the clinical profile of the diabetic population studied, and to specify the epidemiological, clinical and evolutionary characteristics of the diagnosed infections. Patients and methods: This is a cross-sectional descriptive and analytical study on 36 diabetic patients (24 men and 12 women) admitted to the internal medicine and surgery departments of the Kamenge UTH for infectious complications, carried out on the period from April 1st to June 30th, 2020. Results: The mean age of our patients was 53.5 ± 14.7 years. Fourteen patients had type 1 diabetes and twenty-two had type 2 diabetes. The mean duration of diabetes was 10.5 years. Eight patients had inaugural diabetes discovered during the infectious complication. The mean HbA1C was 8.47 ±0.82% with extremes of 7 and 10%. The diagnosed infections were, in order of decreasing rate of cases, pulmonary in 33.3%, skin in 30.6%, urinary in 27.8%, digestive in 13.9% and 13.9% of cases of malaria. The outcome was good under antibiotic and/or anti-malaria treatment, combined with anti- diabetic treatment for high blood sugar. Nevertheless, an amputation was performed in one patient and a case of death was recorded. Conclusion: Unbalanced diabetes, the case of all our patients, promotes the development of infections, and intercurrent infections can decompensate diabetes. A prevention based on strengthening the education of the diabetic patient as well as early and appropriate management of the infected patient by a multidisciplinary team must be essential.
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