Infective endocarditis

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Infective endocarditis caused by Staphylococcus aureus in a patient with atopic dermatitis: a case report

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Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Successful treatment of Candida parapsilosis and Pseudomonas aeruginosa infection using medical and surgical management in an injecting drug user with mitral and aortic valve endocarditis: a case report

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Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Infective endocarditis with Lactococcus garvieae in Japan: a case report...

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Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Infective endocarditis caused by methicillinresistant Staphylococcus aureus in a young woman after ear piercing: a case report...

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Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Chest pain with ST segment elevation in a patient with prosthetic aortic valve infective endocarditis: a case report

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Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học General Psychiatry cung cấp cho các bạn kiến thức về ngành y đề tài: Complicated infective endocarditis necessitating ICU admission: clinical course and prognosis...

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Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học General Psychiatry cung cấp cho các bạn kiến thức về ngành y đề tài: Infective endocarditis: too ill to be operated?

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Tham khảo tài liệu 'viêm màng trong tim nhiễm khuẩn bán cấp (subacute infective endocarditis)', y tế - sức khoẻ, y dược phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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Infection with Viridans Streptococci: Treatment Isolates from neutropenic patients with bacteremia are often resistant to penicillin; thus these patients should be treated presumptively with vancomycin until the results of susceptibility testing become available. Viridans streptococci isolated in other clinical settings usually are sensitive to penicillin. Abiotrophia Species (Nutritionally Variant Streptococci) Occasional isolates cultured from the blood of patients with endocarditis fail to grow when subcultured on solid media.

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Group B Streptococcal Infection in Adults: Treatment GBS is less sensitive to penicillin than GAS, requiring somewhat higher doses. Adults with serious localized infections (pneumonia, pyelonephritis, abscess) should receive doses of ~12 million units of penicillin G daily; patients with endocarditis or meningitis should receive 18–24 million units per day in divided doses. Vancomycin is an acceptable alternative for penicillin-allergic patients.

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Antimicrobial Therapy for Selected Settings For uncomplicated skin and soft tissue infections, the use of oral antistaphylococcal agents is usually successful. For other infections, parenteral therapy is indicated. S. aureus endocarditis is usually an acute, life-threatening infection. Thus prompt collection of blood for cultures must be followed immediately by empirical antimicrobial therapy. For S. aureus native-valve endocarditis, a combination of antimicrobial agents is often used.

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Chryseobacterium Species (Formerly Flavobacterium) C. meningosepticum is an important cause of nosocomial infections, including outbreaks due to contaminated fluids (e.g., disinfectants and aerosolized antibiotics) and sporadic infections due to indwelling devices, feeding tubes, and other fluid-associated apparatuses. Patients with nosocomial C. meningosepticum infection usually have underlying immunosuppression (e.g., related to malignancy). C.

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Harrison's Internal Medicine Chapter 140. Infections Due to the HACEK Group and Miscellaneous Gram-Negative Bacteria The HACEK Group HACEK organisms are a group of fastidious, slow-growing, gram-negative bacteria whose growth requires an atmosphere of carbon dioxide. Species belonging to this group include several Haemophilus species, Actinobacillus actinomycetemcomitans, Cardiobacterium hominis, Eikenella corrodens, and Kingella kingae. HACEK bacteria normally reside in the oral cavity and have been associated with local infections in the mouth.

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Other Syndromes Local extension causing empyema is very uncommon, and—as might be inferred from the low rate of bacteremia—metastatic complications of M. catarrhalis pneumonia, such as septic arthritis, are exceedingly rare. As of 1995, 58 cases of bacteremic infection due to M. catarrhalis had been reported, mainly in children 60 years old; most of these patients had severe underlying lung disease and/or were immunocompromised. The syndromes reported have included bacteremia with no apparent focus, pneumonia, endocarditis, and meningitis.

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Other Moraxella Species Other Moraxella species are occasional causes of a wide range of infections, including bronchitis, pneumonia, empyema, endocarditis, meningitis, conjunctivitis, endophthalmitis, urinary tract infection, septic arthritis, and wound infection. In a report on all Moraxella isolates submitted to the Centers for Disease Control and Prevention between 1953 and 1980, certain clinical associations were apparent (Table 138-2). M. osloensis and M.

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Harrison's Internal Medicine Chapter 137. Gonococcal Infections Definition Gonorrhea is a sexually transmitted infection (STI) of epithelium and commonly manifests as cervicitis, urethritis, proctitis, and conjunctivitis. If untreated, infections at these sites can lead to local complications such as endometritis, salpingitis, tuboovarian abscess, bartholinitis, peritonitis, and perihepatitis in female patients; periurethritis and epididymitis in male patients; and ophthalmia neonatorum in newborns.

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Timing of Cardiac Surgery In general, when indications for surgical treatment of infective endocarditis are identified, surgery should not be delayed simply to permit additional antibiotic therapy, since this course of action increases the risk of death (Table 118-6). Delay is justified only when infection is controlled and congestive heart failure is fully compensated with medical therapy. After 14 days of recommended antibiotic therapy, excised valves are culture-negative in 99% and 50% of patients with streptococcal and S. aureus endocarditis, respectively.

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Antibiotic prophylaxis, if 100% effective, likely prevents only a small number of cases of endocarditis; nevertheless, it is possible that rare cases are prevented. Weighing the potential benefits, potential adverse events, and costs associated with antibiotic prophylaxis, the expert committee of the American Heart Association has dramatically restricted the recommendations for antibiotic prophylaxis. Prophylactic antibiotics (Table 118-7) are advised only for those patients at highest risk for severe morbidity or death from endocarditis (Table 1188).

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Table 118-5 Indications for Cardiac Surgical Intervention in Patients with Endocarditis Surgery required for optimal outcome Moderate to severe congestive heart failure due to valve dysfunction Partially dehisced unstable prosthetic valve Persistent bacteremia despite optimal antimicrobial therapy Lack of effective microbicidal therapy (e.g., fungal or Brucella endocarditis) S.

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Other Organisms In the absence of meningitis, endocarditis caused by Streptococcus pneumoniae with a penicillin MIC of ≤1.0 can be treated with IV penicillin (4 million units every 4 h), ceftriaxone (2 g/d as a single dose), or cefotaxime (at a comparable dosage). Infection caused by pneumococcal strains with a penicillin MIC of ≥2.0 should be treated with vancomycin. Until the strain's susceptibility to penicillin is established, therapy should consist of vancomycin plus ceftriaxone, especially if concurrent meningitis is suspected. P.

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