Abstract
The purpose of the present study was to evaluate the accuracy and usefulness of three rapid diagnostic methods, ImmunoCard Mycoplasma kit, chest high-resolution computed tomography (HRCT) findings, and the Japanese Respiratory Society (JRS) scoring system (including six parameters), for the early presumptive diagnosis of Mycoplasma pneumoniae pneumonia in adults. We performed three rapid diagnostic methods at the same time in four pneumonia groups: 68 cases with M. pneumoniae pneumonia, 133 cases with Streptococcus pneumoniae pneumonia, 30 cases with Haemophilus influenzae pneumonia, and 20 cases with Legionella pneumonia. The sensitivity and specificity were 35% and 68% for ImmunoCard, 73% and 85% with HRCT, and 83% and 90% with the JRS scoring system, respectively. Among the three rapid diagnostic methods, the JRS scoring system was the most useful tool for initiating the administration of adequate antibiotic therapy for probable M. pneumoniae pneumonia. We suggest that M. pneumoniae pneumonia should be suspected when there is a correlation of more than five parameters in the JRS scoring system (99% specificity). If there is a correlation of three or four parameters in the JRS scoring system, chest computed tomography (CT) findings are helpful for the presumptive diagnosis of M. pneumoniae pneumonia.
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Acknowledgments
This study was supported in part by MEXT KAKENHI (grant nos. 19591190 and 21591304) and Project Research Grants from the Kawasaki Medical School (grant nos. 13-401, 14-402, 15-405A, 16-405 M, 17-402 M, 18-401, 19-402 M, and 20-4030).
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A complete list of participants of the Atypical Pathogen Study Group is located in the appendix.
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The Atypical Pathogen Study Group is formed by: Takaya Maruyama and Osamu Taguchi (Mie University Graduate School of Medicine); Chikara Nakahama (Nakahama Clinic); Hirohide Yoneyama and Junichi Nakamura (Kasaoka Daiichi Hospital); Niro Okimoto (Kawasaki Hospital); Masayasu Kawanishi (Kaneda Hospital); Makoto Kimura (Kimura Clinic); Hiroki Hara and Toshiharu Matsushima (Kurashiki Daiichi Hospital); Masao Doi and Masao Kuwabara (Kenritsu Hiroshima Hospital); Kouji Hashiguchi (Nagasaki Genbaku Hospital); and Yasuhiro Nagatomo and Akihiko Okayama (University of Miyazaki).
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Miyashita, N., Kawai, Y., Yamaguchi, T. et al. Clinical potential of diagnostic methods for the rapid diagnosis of Mycoplasma pneumoniae pneumonia in adults. Eur J Clin Microbiol Infect Dis 30, 439–446 (2011). https://doi.org/10.1007/s10096-010-1107-8
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DOI: https://doi.org/10.1007/s10096-010-1107-8