Oral streptococci

Aspiration pneumonia has been a growing interest in an aging population. Anaerobes are important pathogens, however, the etiology of aspiration pneumonia is not fully understood. In addition, the relationship between the patient clinical characteristics and the causative pathogens in pneumonia patients with aspiration risk factors are unclear.

12p vimaine2711 26-03-2021 10 1   Download

The Streptococci are Gram-positive spherical bacteria (cocci) that characteristically form pairs and chains during growth. They are widely distributed in nature. Some are members of the normal human flora for e.g. commensal Streptococci of the oral cavity, are common causes of sub-acute bacterial endocarditis, others are associated with important human disease attributable in part to injection by Streptococci, in part to sensitization to them. Streptococcus species is uniformly susceptible to penicillin. But macrolides remains drug of choice for patient allergic to penicillin.

13p trinhthamhodang7 31-08-2020 8 2   Download

Zinc is used as an anti-gingivitis agent in oral care products and affects multiple targets in oral bacteria. We found that it acts also to suppress respiration of oral streptococci and of Fusobacterium nucleatum, an organism associated with development of gingivitis.

9p 12120609 01-06-2020 17 1   Download

Table 120-2 Selection of Antibiotics for Treatment of Acute Osteomyelitis Suggested Regimena Organism Primary Alternativesb Staphylococcus aureus Penicillin- Nafcillin or oxacillin, 2 g Cefazolin, 1 g IV resistant, methicillin- IV q4h q8h; ceftriaxone, 1 g IV q24h; clindamycin, 900 mg IV q8hc sensitive (MSSA) Penicillinsensitive Penicillin, 3–4 million U IV q4h Cefazolin, ceftriaxone, clindamycin (as above) Methicillinresistant (MRSA) Vancomycin, 15 mg/kg Clindamycinc (as IV q12h; rifampin, 300 mg PO above); linezolid, 600 q12h (see text) mg IV or PO q12hd; daptomycin,...

5p thanhongan 07-12-2010 69 3   Download