A Case Report Of Community-Acquired Methicillin-Resistant Staphylococcus Aureus Infections And Review Of The Literature

Objective: By analyzing the case of community-acquired methicillin-resistant staphylococcus aureus infection,this paper discusses the epidemiology,pathogenesis,clinical manifestations,diagnosis,differential diagnosis and treatment of MRSA,so as to raise clinicians' attention to the disease.Methods: A case of community-acquired methicillin-resistant Staphylococcus aureus infection in the Second department of respiratory medicine,the third hospital of hebei medical university was selected,the diagnosis,treatment and prognosis of the disease were discussed.Results: The patient was diagnosed with community-acquired methicillin-resistant infection,infection of bloodstream and cause multiple systemic infections: double pneumonia,infective endocarditis,brain abscess,skin and soft tissue infection.Anti-infective treatment,oxygen inhalation,symptomatic liver protection,correction of hypoproteinemia and other supportive treatment were given.Meanwhile,the right lower limb abscess incision was given to the patient with continuous VSD drainage.After anti-infection treatment,the patient's symptoms improved,the skin and soft tissue of the right lower limb healed,blood culture was negative for 2 times,and chest CT,cardiac color doppler ultrasound and brain MRI showed improvement after repeated reexamination.After more than 6 weeks of treatment,she was better and discharged from the hospital.Conclusions:1.Community-acquired methicillin-resistant staphylococcus aureus infections are mostly among young healthy people,students,athletes and military service patients.Compared with traditional Healthcare-associated methicillin-resistant staphylococcus aureus,the virulence of the infection strain is stronger,and the pathogenicity of the infection strain is mainly related to its carrying Panton-Valentine Leucocidin.2.Community-acquired methicillin-resistant staphylococcus aureus is mainly associated with skin and soft tissue infections,often manifested as cellulitis and abscess,severe necrotizing pneumonia,septic shock,bone and joint infections,endocarditis,brain abscess.3.Community-acquired methicillin-resistant staphylococcus aureus Staphylocossal cassette chromosome mec is most commonly reported to carry type ? or ?.