Berrid nabyl
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Analysis of Physico-Chemical and Bacteriological Parameters of Liquid Effluents from the Provincial Hospital Center in Sidi Kacem Morocco Elouakfaoui Aziz; Mahjoub Aouane; Rouani Abdeljabbar; Berrid nabyl
Indian Journal of Forensic Medicine & Toxicology Vol. 16 No. 1 (2022): Indian Journal of Forensic Medicine & Toxicology
Publisher : Institute of Medico-legal Publications Pvt Ltd

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37506/ijfmt.v16i1.17487

Abstract

Background: The effluents generated by the hospital activities and which are rejected into themunicipal sewerage system without any prior treatment, present a chemical, biological and physicalrisk for public and environmental health. They cause a degradation of the aquatic ecosystem, and favorthe propagation of antibiotic resistant germs. Objective: The aim of this study is to carry out physicochemicaland bacteriological analysis of the effluents of the provincial hospital of Sidi Kacem in Rabat-Salé-Kénitra region, Morocco, in order to evaluate the degree of wastewater pollution and to reduce itsenvironmental impact.Methods: 24 samples of wastewater were collected from the Hospital’s main sewer according toMoroccan Norm NM 03.7.059 and transported to the Provincial Laboratory of Epidemiology andEnvironmental Health (LPEHM) for analysis. These analyses were conducted according to therequirements and methods recommended by Rodier 1996 and 2009.Results: The results of the bacteriological analysis showed a very high bacterial load of fecal coliforms(36,7.104 CFU/100 ml), total coliforms (40.104 CFU/100 ml), and fecal streptococci (21.104 CFU/100ml). The physicochemical parameters revealed a significant load of organic and mineral matter expressedin terms of nitrates (41,59 mg/l), nitrites (0,53 mg/l), sulphates (222,75 mg/l), ammonia (1,95 mg/l),electrical conductivity (3202 μs/cm), hydrogen potential PH (7.82), all of which are well above theupper limit stipulated by the regulations. The COD/BOD5 ratio (7.66) higher than 3 means that theseeffluents are hardly biodegradable.Conclusion: These results show that hospital effluent is loaded with mineral, organic and bacteriologicalpollutants and requires
Microbiological Study of Surfaces in the Hospital Environment Case of the Provincial Hospital of Sidi Kacem, Morocco Elouakfaoui Aziz; Mahjoub aouane; Rouani Abdeljabbar; Berrid Nabyl
Indian Journal of Forensic Medicine & Toxicology Vol. 16 No. 1 (2022): Indian Journal of Forensic Medicine & Toxicology
Publisher : Institute of Medico-legal Publications Pvt Ltd

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37506/ijfmt.v16i1.17488

Abstract

Background: The hospital environment is largely colonized by pathogenic microorganisms. this contamination varies qualitatively and quantitatively according to the services and the capacity of the microorganisms to survive in inert environments, the elimination of these microorganisms requires a well formed staff and well detailed protocols which meet the international requirements. The microbiological monitoring of the hospital surfaces is a key factor to prevent nosocomial infections, it allows us to elaborate a diagnosis of the microbial ecology in order to lead preventive and corrective actions. Objective: The aim of our study is to identify the present bacteria on the surfaces of the provincial hospital of Sidi Kacem in Rabat-Salé-Kénitra region, Morocco, in order to reduce the rate of nosocomial infections.Methods: 167 samples were taken from different sites in the hospital wards, using the swabbing technique, according to ISO/DIS 14698-1, the identification of the isolated germs has been realized by the classical biochemical gallery and the API (Biomerieux, France).Results: A total of ten (10) bacterial species were isolated with a predominance of Bacillus sp (27%) and coagulase-negative staphylococci (29%), Staphylococcus aureus (18%), and Klebsiella pneumoniae (13%) followed. Thirteen (13) samples were a negative culture with a positivity rate of 92%. The distribution of isolated strains by department shows a predominance of bacterial strains in the intensive care unit (19%) and the emergency department (17%).Conclusion: These results show the importance of developing a risk management approach based on cleaning and disinfection protocols and procedures, as well as training and awareness programmers.