Aim: The objectives of this study was to study the various microorganisms causing surgical site infection, to study their antibiotic sensitivity and resistance pattern. Setting: Department of Surgery of a tertiary health care centre with an attached medical college. Material and methods: A total of 89 patients with post operative surgical site infection occurring within 30 days of surgery or 1 year of implant were included as subject material after they satisfy inclusion and exclusion criteria. Results: E.coli is the commonest organism isolated in SSI wounds. Overall Imipenem and Amikacin are the most sensitive antibiotics. Over all gentamycin, cefotaxime and clindamycin are the most resistant antibiotics noted. Conclusion: The most common organisms associated with SSI are E. coli and Pseudomonas. Most of the organisms were sensitive to imipenem, amikacin. Sensitivity pattern of the of the organism is changing with time. The common organisms are now no longer sensitive to routinely used cheaper antibiotics. Newer antibiotics, which are more costly, are required to treat the infection which is a burden to the patient.
Aim: The objectives of this study was to study the various micro-organisms causing surgical site infection, to study their antibiotic sensitivity and resistance pattern. Setting: Department of Surgery of a tertiary health care centre with an attached medical college. Material and methods: A total of 89 patients with post operative surgical site infection occurring within 30 days of surgery or 1 year of implant were included as subject material after they satisfy inclusion and exclusion criteria. Results: E.coli is the commonest organism isolated in SSI wounds. Overall Imipenem and Amikacin are the most sensitive antibiotics. Over all gentamycin, cefotaxime and clindamycin are the most resistant antibiotics noted.
Conclusion:The most common organisms associated with SSI are E. coli and Pseudomonas. Most of the organisms were sensitive to imipenem, amikacin. Sensitivity pattern of the of the organism is changing with time. The common organisms are now no longer sensitive to routinely used cheaper antibiotics. Newer antibiotics, which are more costly, are required to treat the infection which is a burden to the patient.
Aluminum MMC's are widely used in various applications because of their higher mechanical and physical properties when compared with their base Al alloy. This paper focuses on the change in mechanical properties of various Al/SiC composites fabricated by using stir casting method. Effect of SiC reinforcement in different Al alloys on mechanical properties like hardness, tensile strength, wear test, percentage elongation, residual stress measurements are discussed in detail. For this purpose various reinforcement of SiC with 0,4,8 percent weight and different particle sizes are considered along with Al alloys. Variations in process parameters of stir casting are also made and taken into consideration.
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