A case of mycobacterium abscessus pulmonary infection: Effects of clarithromycin, ethambutol, and rifampicin therapy

Tadataka Sekiyama, Hajime Suguro, Takashi Ooki, Yuta Nakao, Yoshihiro Satou, Yuki Takano, Mamiko Suzuki, Yusaku Ishiwatarai, Noriko Kogawa, Tsukasa Hataoka, Kentaro Hayashi, Koumei Igei, Naoki Okamoto, Tomohiro Hattori, Noriaki Takahashi, Shu Hashimoto

Research output: Contribution to journalArticlepeer-review

Abstract

A 71-year-old woman presented with a persistent cough. Her chest X-ray film showed an infiltrative and granular shadow in the left upper lobe and S 6 regions. Staining of sputum and bronchus lavage smears revealed the presence of acid-fast bacilli. The patient was first treated with clarithromycin, amikacin, and imipenem/cilastatin. Chemotherapy was discontinued in the patient because the drugs induced skin eruptions. After an improvement in the skin condition, the patient was treated with clarithromycin, ethambutol, and rifampicin for 12 months, during which the chest radiography and computed tomography (CT) results revealed improvements. The patients symptoms and radiographic findings improved following chemotherapy, and were reflected in her sputum test results. However, Mycobacterium abscessus was completely resistant to treatment with all the anti-tuberculosis agents. Thus, the results obtained by drug sensitivity testing of the antibiotics did not correlate with the clinical outcomes, indicating that drug testing may not necessarily be predictive of the therapeutic outcome.

Original languageEnglish
Pages (from-to)1380-1385
Number of pages6
JournalJapanese Journal of Chest Diseases
Volume72
Issue number12
Publication statusPublished - 2013

Keywords

  • Drug sensitivity testing
  • Mycobacterium abscessus
  • Non-tuberculous mycobacteria

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