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1.
Infect Dis Now ; 53(5): 104687, 2023 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-36842502

RESUMO

OBJECTIVES: Blood-culture-negative infective endocarditis (BCNE) is found in 2 to 48% of cases of infective endocarditis (IE) (Houpikian and Raoult, 2005) [1].IE and vertebral osteomyelitis due to Chlamydia sp. are difficult to diagnose. PATIENTS AND METHODS: A case report of Chlamydia psittaci IE is provided, associated with a literature review. RESULTS: We report the first case of Chlamydia psittaci IE, revealed by a spondylodiscitis. Questioning of the patient, imaging, serologies and PCR techniques on valves confirmed the diagnosis. CONCLUSION: C. psittaci IE is rare but probably underdiagnosed. In case of negative blood cultures, questioning patients with IE about their contacts with animals is relevant. PCR techniques are reference tools for diagnosis confirmation when valve or vertebral samples are available.


Assuntos
Chlamydophila psittaci , Endocardite Bacteriana , Endocardite , Psitacose , Humanos , Endocardite Bacteriana/diagnóstico , Endocardite Bacteriana/tratamento farmacológico , Bactérias
2.
Biochem Med (Zagreb) ; 31(2): 020501, 2021 Jun 15.
Artigo em Inglês | MEDLINE | ID: mdl-33927549

RESUMO

This is a translation of the paper "Recommendations for the application and follow-up of quality controls in medical biology laboratories" published in French in the journal Annales de Biologie Clinique (Recommandations pour la mise en place et le suivi des contrôles de qualité dans les laboratoires de biologie médicale. Ann Biol Clin (Paris). 2019;77:577-97.). The recommendations proposed in this document are the result of work conducted jointly by the Network of Accredited Medical Laboratories (LABAC), the French Society of Medical Biology (SFBC) and the Federation of Associations for External Quality Assessment (FAEEQ). The different steps of the implementation of quality controls, based on a risk analysis, are described. The changes of reagent or internal quality control (IQC) materials batches, the action to be taken in case of non-conform IQC results, the choice of external quality assessment (EQA) scheme and interpretation of their results as well as the new issue of analyses performed on several automatic systems available in the same laboratory are discussed. Finally, the concept of measurement uncertainty, the robustness of the methods as well as the specificities of near-patient testing and rapid tests are described. These recommendations cannot apply for all cases we can find in medical laboratories. The implementation of an objective alternative strategy, supported with documented evidence, might be equally considered.


Assuntos
Laboratórios/normas , Controle de Qualidade , Humanos
3.
Ann Biol Clin (Paris) ; 77(5): 577-597, 2019 10 01.
Artigo em Francês | MEDLINE | ID: mdl-31638588

RESUMO

The recommendations that we formulate in this document come from LABAC, SFBC and FAEEQ. They describe the different steps from the initial application of quality controls, based on risk analysis: the changes of reagent batches or internal quality controls (IQC) batches, the course when IQC are not in accordance with references, the choice of external quality evaluation and the interpretation of its results, the comparability of results obtained in several analysers used in the same laboratory. Lastly, measurement uncertainty, robustness of methods and specificities of near-patient biology and rapid tests are described. Note that these recommendations cannot develop all cases that we could find in laboratories. It remains necessary to carry out an objective strategy, supported with documentary evidences.


Assuntos
Acreditação/normas , Biologia/normas , Técnicas de Laboratório Clínico/normas , Controle de Qualidade , Seguimentos , França , Unidades Hospitalares/normas , Humanos , Laboratórios/normas
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