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Evaluation of the Bacteriological Pollution of the Waters of the Lake of Sonfonia Commune of Ratoma (Republic of Guinea) 2021

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Journal of Agricultural Chemistry and Environment 2023年第2期12卷 142-151页

作者： Mohamed Lamine Komara cheick ahmed tawel camara Nènè N’koya Bangoura Kande Bangoura Sekou Traore Department of Biology Gamal Abdel Nasser University of Conakry Conakry Republic of Guinea The Biochemistry Degree Programme Gamal Abdel Nasser University of Conakry Conakry Republic of Guinea Laboratory of the Center for Environmental Studies and Research (CERE) Conakry Republic of Guinea Scientific Research Center of Conakry Rogbané (CERESCOR) Conakry Republic of Guinea Department of Advanced Studies and University Research at the Ministry of Higher Education Scientific Research and Innovation Conakry Republic of Guinea

The quality of surface waters is often altered by the presence of bacteria of faecal origin, as a result of untimely discharge of solid and liquid waste from households. The Sonfonia Lake located in the commune of Ratoma is under the influence of various forms of pollution resulting for the most part from anthropic activities. Field visits, interviews with resource persons and bacteriological analysis were carried out to assess the level of this pollution. Two water sampling campaigns were carried out during the low-water period and two others during the flood period of 2021. The comparison of the levels of faecal contamination bacteria in the present study with a previous one carried out in 2018 on the waters of the same lake, indicates an increase in the level of faecal coliforms and faecal streptococci that exceed the indicator values recommended by the WHO. These results show that Lake Sonfonia is polluted. This could be related to the increase in anthropogenic and demographic activities during the last four years. On the other hand, the analysis of the results showed the absence of pathogenic germs such as salmonella. The Mann-Whitney U statistical test was used to compare the value of the means of each of the variables observed during the two seasons.

关键词： Surface Water Anthropogenic Lake Sonfonia Wastewater Faeces

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Monitoring of the Physico-Chemical Parameters of the Waters of Lake Sonfonia,Municipality of Ratoma(Republic of Guinea)2021

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Journal of Environmental Science and Engineering(B) 2023年第3期12卷 105-114页

作者： Mohamed Lamine Komara Adama Moussa Sacko Aboubacar Diallo cheick ahmed tawel camara Mamadou Kabirou Bah Teacher-Researcher Department of Biology Gamal Abdel Nasser University of Conakry Republic of Guinea Laboratory technique Higher Institute of Technology of MamouRepublic of Guinea DGA-Research/ISAU Conakry 324 Republic of Guinea Director of the Biochemistry degree program at Gamal Abdel Nasser University of Conakry Republic of Guinea Center for Environmental Studies and Research(CERE) Conakry 324 Republic of Guinea

As part of the determination of the possible impact of human activities on surface waters, case of Lake Sonfonia, six sampling sites were selected according to their solicitation by the population and their exposure to probable sources of pollution. The objective of this work is to monitor the physico-chemical quality of the waters of Lake Sonfonia during the low water level (March) and during the flood period (August) of the year 2021. Two sampling campaigns of water were carried out in dry weather and two others in cold weather. Parameters such as temperature, pH, EC (Electrical Conductivity), dissolved oxygen, TDS (Total Dissolved Solids) were measured in situ. Suspended matter, phosphate, nitrate, nitrite, sulphates, total iron, COD (Chemical Oxygen Demand) were measured in the laboratory by the colorimetric method. Stata 15 software was applied for the statistical analysis of the data and the correlation test between the parameters gave highly significant correlations. It has been noted that the situation is not very good and that this pollution comes mainly from human activities.

关键词： Surface water physico-chemical parameters Lake Sonfonia anthropogenic eutrophication.

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Cervical Thoracic Necrotizing Fasciitis with the Mammary Gland Spread of Odontogenic Origin

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Surgical Science 2016年第4期7卷 181-184页

作者： Seydou Togo Moussa Abdoulaye Ouattara Jaques Saye Ibrahim Boubacar Maiga cheick ahmed Sékou Touré Ibrahim Sankaré M.A.C. Cissé Nouhoum Diani Sékou Koumaré Moussa camara Adama Konoba Koita Sadio Yéna Zimogo Zié Sanogo Djibril Sangaré Department of Thoracic Surgery Hospital of Mali Bamako Mali Department of Reanimation and Emergency Hospital of Mali Bamako Mali Department of Surgery “A” Hospital of Point G Bamako Mali

Necrotizing fasciitis is an uncommon infection, but potentially lethal, especially when associated with systemic disorders such as diabetes. We report the case of a 35-year-old female with uncontrolled diabetes mellitus, presenting with edema of the neck, facial and left mammary gland, secondary to untreated dental infection, progressing to a full-blown necrotizing fasciitis in a short period of time with sepsis. The patient was managed with aggressive multidisciplinary medical and surgical treatment. Despite the technologic advances in diagnosis and treatment, complications still result with astounding high mortality. Clearly, the morbidity associated to this infection, even in diabetic patients, can be minimized if an early diagnosis and effective debridement are done.

关键词： Fasciitis Necrotizing Mammary Gland Antibiotics Surgery

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