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Clinical guidelines for the antimicrobial treatment of bone and joint infections in Korea.

ABSTRACT: There are many various diseases in the bone and joint infections, and we tried to make antimicrobial treatment guidelines for common infectious diseases based on available data for microbiology and clinical trials. This guidelines focused on the treatment of osteomyelitis and septic arthritis, which can be experienced by physicians at diverse clinical settings. This guidelines is not applicable to diabetic foot infections, postoperative infections or post-traumatic infections which need special considerations. The guidelines for those conditions will be separately developed later. Surgical treatment of bone and joint infections, pediatric bone and joint infection, tuberculous bone and joint infection, and prophylactic antibiotic use were not included in this guideline.

SUBMITTER: Korean Society for Chemotherapy

PROVIDER: S-EPMC4091374 | biostudies-literature | 2014 Jun

REPOSITORIES: biostudies-literature

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Clinical guidelines for the antimicrobial treatment of bone and joint infections in Korea.

Infection & chemotherapy 20140620 2

There are many various diseases in the bone and joint infections, and we tried to make antimicrobial treatment guidelines for common infectious diseases based on available data for microbiology and clinical trials. This guidelines focused on the treatment of osteomyelitis and septic arthritis, which can be experienced by physicians at diverse clinical settings. This guidelines is not applicable to diabetic foot infections, postoperative infections or post-traumatic infections which need special ...[more]

PMID: 25024877

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Project description:Bone and joint infections (BJIs) are complex infections that require precise microbiological documentation to optimize antibiotic therapy. Currently, diagnosis is based on microbiological culture, sometimes complemented by amplification and sequencing of the 16S rDNA gene. Clinical metagenomics (CMg), that is, the sequencing of the entire nucleic acids in a sample, was previously shown to identify bacteria not detected by conventional methods, but its actual contribution to the diagnosis remains to be assessed, especially with regard to 16S rDNA sequencing. In the present study, we tested the performance of CMg in 34 patients (94 samples) with suspected BJIs, as compared to culture and 16S rDNA sequencing. A total of 94 samples from 34 patients with suspicion of BJIs, recruited from two sites, were analyzed by (i) conventional culture, (ii) 16S rDNA sequencing (Sanger method), and (iii) CMg (Illumina Technology). Two negative controls were also sequenced by CMg for contamination assessment. Based on the sequencing results of negative controls, 414 out of 539 (76.7%) bacterial species detected by CMg were considered as contaminants and 125 (23.2%) as truly present. For monomicrobial infections (13 patients), the sensitivity of CMg was 83.3% as compared to culture, and 100% as compared to 16S rDNA. For polymicrobial infections (13 patients), the sensitivity of CMg was 50% compared to culture, and 100% compared to 16S rDNA. For samples negative in culture (8 patients, 21 samples), CMg detected 11 bacteria in 10 samples from 5 different patients. In 5/34 patients, CMg brought a microbiological diagnosis where conventional methods failed, and in 16/34 patients, CMg provided additional information. Finally, 99 antibiotic resistance genes were detected in 24 patients (56 samples). Provided sufficient genome coverage (87.5%), a correct inference of antibiotic susceptibility was achieved in 8/8 bacteria (100%). In conclusion, our study demonstrated that the CMg provides complementary and potentially valuable data to conventional methods of BJIs diagnosis.

Project description:Bone and joint infections (BJIs) are common infections increasingly managed with oral therapy. However, there are limited safe oral options for many Gram-positive pathogens. In animal studies and short-term human use, tedizolid lacks the hematologic and neurologic toxicity of the other available oxazolidinone, linezolid. However, there are limited prospective safety data. We conducted an open-label, non-comparative trial of oral tedizolid for BJI treatment. Primary outcomes were safety and cure rate. Eligible patients had a BJI caused by documented or suspected Gram-positive pathogen, required 4-12 weeks of therapy, and did not have myelosuppression or peripheral/optic neuropathy. Subjects underwent weekly evaluation for cytopenias and neuropathy. We enrolled 44 subjects; five were lost to follow-up. Two subjects did not complete planned treatment because of rash (n = 1) and urgent surgery (n = 1). Of 37 patients with evaluable outcomes, 17 (46%) had hardware-associated infection, 13 (35%) had osteomyelitis, 5 (14%) had prosthetic joint infection, and 2 (5%) had other BJIs. Median (mean, range) treatment duration was 12 (10.1, 4-12) weeks. There were no cases of cytopenias or peripheral or optic neuropathy. Treatment cure occurred in 13 (35%); 19 (51%) required antibiotic continuation after 12 weeks of tedizolid related to retained hardware at the BJI site, and failure occurred in four (11%), two unlikely, one possibly, and one probably due to tedizolid. We found that oral tedizolid was well tolerated for prolonged BJI treatment without significant toxicity. Clinical failure rate was similar to that of other published BJI investigations. (This study has been registered at Clinicaltrials.gov under identifier NCT03009045.) IMPORTANCE Bone and joint infections are common infections with limited effective and safe oral options for Gram-positive infections. The largest prospective clinical trial of tedizolid therapy for bone and joint infections enrolled 44 patients and tested each in person weekly with detailed safety monitoring including tests for leukopenia, anemia, thrombocytopenia, peripheral neuropathy, and optic neuropathy for up to 12 weeks. Findings demonstrated tedizolid was generally well tolerated and there were no incident cases of cytopenias or neuropathy. Cure rates were similar to that in other bone and joint infection studies. In summary, oral tedizolid appears to be a well-tolerated oral option for Gram-positive bone and joint infections.

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Clinical guidelines for the antimicrobial treatment of bone and joint infections in Korea.

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Clinical guidelines for the antimicrobial treatment of bone and joint infections in Korea.

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