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Query: UMLS:C0014118 (endocarditis)
 15,629 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The overuse of antibiotics and the emergence of antibiotic-resistant bacterial strains is a global concern. This concern is also of importance in terms of the oral microbiota and the use of antibiotics to deal with oral and dental infections. The aim of this paper was to review the current literature on the indications and use of antibiotics and to make recommendations for their prescription in endodontic patients. Odontogenic infections, including endodontic infections, are polymicrobial, and in most cases, the prescription of antibiotics is empirical. This has led to the increasing use of broad-spectrum antibiotics even in cases where antibiotics are not indicated, such as symptomatic irreversible pulpitis, necrotic pulps and localized acute apical abscesses. In case of discrete and localized swelling, the primary aim is to achieve drainage without additional antibiotics. Adjunctive antibiotic treatment may be necessary in the prevention of the spread of infection, in acute apical abscesses with systemic involvement and in progressive and persistent infections. Medically compromised patients are more susceptible to complication arising from odontogenic infections and antimicrobials have a more specific role in their treatment. Therefore, antibiotics should be considered in patients having systemic diseases with compromised immunity or in patients with a localized congenital or acquired altered defence capacity, such as patients with infective endocarditis, prosthetic cardiac valves or recent prosthetic joint replacement. Penicillin VK, possibly combined with metronidazole to cover anaerobic strains, is still effective in most cases. However, amoxicillin (alone or together with clavulanic acid) is recommended because of better absorption and lower risk of side effects. In case of confirmed penicillin allergy, lincosamides such as clindamycin are the drug of choice.
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PMID:Antibiotics in Endodontics: a review. 2800 95

Staphylococcus lugdunensis is a coagulase-negative staphylococcus that leads to destructive infective endocarditis. The clinical course of S. lugdunensis endocarditis is usually aggressive with a high mortality rate compared to endocarditis caused by other coagulase-negative staphylococcal species. Despite that, it is usually sensitive to Penicillin G, and surgical intervention is sometimes warranted. Here, we report a case of S. lugdunensis endocarditis complicated by both embolic stroke and meningitis.
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PMID:Embolic Stroke and Meningitis Secondary to Staphylococcus lugdunensis Native Valve Endocarditis. 3118 28

Infective endocarditis (IE) remains a prevalent disease with a high rate of morbidity and mortality. Recent changes have been noted in the profile of causative microorganisms. In this report, we describe a case of Gemella-related endocarditis and review the related literature. Our patient was an 81-year-old man who presented with dyspnea and fatigue. His initial examination revealed a new systolic murmur. Echocardiogram revealed moderate mitral regurgitation with 1-cm mass on the anterior mitral leaflet, and blood cultures grew Gemella haemolysans. Penicillin and gentamicin were initiated, and workup for possible source was positive for a colonic polyp with high-grade dysplasia. The patient subsequently developed cardiogenic shock and severe pulmonary edema. Comfort care measures were initiated, and he passed away thereafter. We reviewed PubMed for cases of Gemella-related endocarditis. We found 65 documented cases and added our patient's case to the analysis. Seventy-two percent of the cases occurred in men. The mean age was 51 years and 42% of the patients were older than 60 years. Fever was the most common presenting symptom and most of the cases presented subacutely. The mitral valve was the most affected site and 50% of the patients required surgical intervention. G. morbillorum was the most common subtype and a total of four cases were found to be associated with colorectal neoplasm. As a conclusion, Gemella species rarely cause IE. The absence of a clear source of bacteremia warrants further evaluation for a gastrointestinal source. The infection can be destructive and must be promptly treated to avoid complications.
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PMID:Gemella endocarditis: A case report and a review of the literature. 3190 93


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