Journals / Gülhane Tıp Dergisi / 2015 / Cilt: 57 - Sayı: 2

A Case of Pneumonia and Bacteriamia Caused by Corynebacterium Striatum in a Immun Supressed Host

İmmün sistemi baskılanmış bir hastada Corynebacterium striatum'un etken olduğu pnömoni ve bakteriyemi olgusu

Pages
193–195
DOI
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We believe effective coordination between laboratory and clinician is much more important in such cases

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Objective & Hypothesis:Corynebacterium striatum, is a gram positive bacterium that can cause opportunistic infections in immunocompromised host and it is among the members of the normal flora of skin and mucous membranes, In this case, a 88 years-old Non-Hodgkin lymphoma patient admitted to intensive care unit with pneumonia and bacteriemia due to C. striatum which was isolated from both blood and respiratory specimens sent simultaneously, is presented.Isolates are diagnosed as C. striatum with conventional biochemical tests and VITEK2 automated diagnostic system.
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Key Findings & Data:Diagnosis is also confirmed by VITEKMS.
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Conclusion & Impact:We believe effective coordination between laboratory and clinician is much more important in such cases
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Corynebacterium striatum, is a gram positive bacterium that can cause opportunistic infections in immunocompromised host and it is among the members of the normal flora of skin and mucous membranes, In this case, a 88 years-old Non-Hodgkin lymphoma patient admitted to intensive care unit with pneumonia and bacteriemia due to C. striatum which was isolated from both blood and respiratory specimens sent simultaneously, is presented.Isolates are diagnosed as C. striatum with conventional biochemical tests and VITEK2 automated diagnostic system. Diagnosis is also confirmed by VITEKMS. Isolate was susceptible to vancomycin, teicoplanin, linezolid, erythromycin and gentamicin; resistant to trimethoprim/sulfamethoxazole, ciprofloxacin, ceftriaxone, imipenem, meropenem, tetracycline and penicillin. Initial emperical meropenem treatment subsituted with linezolid and control samples, taken after a week period, were negative for C. striatum. Isolation of coryneform bacteria from clinical samples usually considered as contamination or colonization. In this case presentation, C. striatum, a member of coryneform bacteria, was isolated as causative agent in a patient with immunosupression, prolonged hospital stay and antibiotherapy. We believe effective coordination between laboratory and clinician is much more important in such cases

Özet

Corynebacterium striatum deri ve müköz membranların normal florasında bulunan genellikle immün sistemi bozulmuş hastalarda fırsatçı enfeksiyon yapabilen gram pozitif bakterilerdir. Olgumuzda anestezi yoğun bakım ünitesinde yatan Non-Hodgkin lenfomalı 88 yaşındaki bir hastaya ait solunum yolu örnekleri ile eş zamanlı gönderilen kan örneklerinde izole edilen, C. striatum'a bağlı eş zamanlı olarak gelişen pnömoni ve bakteriyemi olgusu sunulmaktadır. İzolatlara yapılan konvansiyonel testler ve VITEK2 otomatize identifikasyon sistemi ile etkenin C. striatum olduğu tespit edildi. Takiben, VITEK-MS ile izolatın C. striatum olduğu konfirme edildi. E-Test ile yapılan antibiyotik duyarlılık testi sonucunda vankomisin, teikoplanin, linezolid, eritromisin ve gentamisin duyarlı; trimetoprim sulfametoksazol, siprofloksasin, seftriakson, imipenem, meropenem, tetrasiklin ve penisiline dirençli olduğu bulundu. Ampirik başlanan meropenem tedavisi linezolid ile değiştirildi ve bir hafta sonra alınan kontrol örneklerinde üreme saptanmadı. Klinik örneklerde korineform bakterilerin izolasyonu genellikle kontaminasyon veya kolonizasyon olarak kabul edilmektedir. Bu olguda özellikle immün sistemi baskılanmış, yoğun bakımda uzun süre takip edilmiş ve uzun süre antibiyotik tedavisi almış bir hastada bu bakterilerden C. striatum'un etken olabileceği gösterilmiştir. Laboratuvar ve klinisyen arasındaki etkin koordinasyonun özellikle bu tarz olgularda çok daha önemli olduğunu düşünmekteyiz

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Cite This Article

SELEK, M. B., ATİK, T. K., BEKTÖRE, B., BAYLAN, O., ÖZYURT, M. (2015). A Case of Pneumonia and Bacteriamia Caused by Corynebacterium Striatum in a Immun Supressed Host. Gülhane Tıp Dergisi, Cilt: 57 - Sayı: 2, 193–195. https://ajindex.com/articles/204337

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