• Title/Summary/Keyword: Relayed diagnosis

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A Case of Pulmonary Tuberculosis with Delayed Diagnosis Due to the Temporary Clinical Improvement After Use of Levofloxacin and Amikacin Under the Impression of Community Acquired Pneumonia (폐렴을 의심하여 Levofloxacin과 Amikacin을 사용 후 일시적 호전을 보여 진단이 늦어진 폐결핵 1예)

  • Lee, Hee Seok;Kang, Young Ae;Oh, Jin Young;Lee, Jae Ho;Yoo, Chul Gyu;Lee, Choon-Taek;Kim, Young Whan;Han, Sung Koo;Shim, Young-Soo;Yim, Jae-Joon
    • Tuberculosis and Respiratory Diseases
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    • v.55 no.4
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    • pp.395-401
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    • 2003
  • Fluoroquinolone is one of the first-line antibiotics recommended for treating community-acquired pneumonia. However, using fluroquinolones for presumptive community-acquired pneumonia can delay the diagnosis and the treatment of pulmonary tuberculosis because of its strong activity against mycobacteria. Here, we report a case of a 54-year-old female taking immunosuppressants after a renal transplant whose diagnosis of pulmonary tuberculosis was delayed as a result of the use of levofloxacin and amikacin under the original impression of community-acquired pneumonia. This case suggests that clinicians should consider the possibility of pulmonary tuberculosis in the case of a partial response of the pneumonia to flouroquinolones and/or aminoglycosides.

Aromatic Agriculture: Volatile Compound-Based Plant Disease Diagnosis and Crop Protection (향기농업: 휘발성 물질을 이용한 식물병 진단과 방제)

  • Riu, Myoungjoo;Son, Jin-Soo;Oh, Sang-Keun;Ryu, Choong-Min
    • Research in Plant Disease
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    • v.28 no.1
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    • pp.1-18
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    • 2022
  • Volatiles exist ubiquitously in nature. Volatile compounds produced by plants and microorganisms confer inter-kingdom and intra-kingdom communications. Autoinducer signaling molecules from contact-based chemical communication, such as bacterial quorum sensing, are relayed through short distances. By contrast, biogenic volatiles derived from plant-microbe interactions generate long-distance (>20 cm) alarm signals for sensing harmful microorganisms. In this review, we discuss prior work on volatile compound-mediated diagnosis of plant diseases, and the use of volatile packaging and dispensing approaches for the biological control of fungi, bacteria, and viruses. In this regard, recent developments on technologies to analyze and detect microbial volatile compounds are introduced. Furthermore, we survey the chemical encapsulation, slow-release, and bio-nano techniques for volatile formulation and delivery that are expected to overcome limitations in the application of biogenic volatiles to modern agriculture. Collectively, technological advances in volatile compound detection, packaging, and delivery provide great potential for the implementation of ecologically-sound plant disease management strategies. We hope that this review will help farmers and young scientists understand the nature of microbial volatile compounds, and shift paradigms on disease diagnosis and management to aromatic (volatile-based) agriculture.