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Kono M, Kamide Y, Tanaka T, Uno Y, Kanesada K, Suzuki C, Sawaki S, Kunimoto M, Kayama C, Suzuki K, Kudo F, Matsubara S, Sawada S, Goto Y, Uchizono A, Murakami D, Miyata T, Okamura N, Hotomi M. A rapid simultaneous antigen detection of Haemophilus influenzae and Streptococcus pneumoniae for predicting the prognosis of acute otitis media. J Infect Chemother 2024:S1341-321X(24)00138-7. [PMID: 38782238 DOI: 10.1016/j.jiac.2024.05.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 05/14/2024] [Accepted: 05/17/2024] [Indexed: 05/25/2024]
Abstract
BACKGROUND Rapid identification of causative bacteria in treatment of acute otitis media (AOM) is of paramount importance for appropriate antibiotic use. MATERIALS AND METHODS This prospective observational study was conducted in 15 hospitals and clinics in Japan between 2018 and 2020. A new rapid antigen test kit (AOS-116), which simultaneously detects antigens for Streptococcus pneumoniae (Sp) and Haemophilus influenzae (Hi), was applied for middle ear fluids (MEFs) and nasopharyngeal secretions (NPSs) in patients with moderate to severe AOM. We investigated relationship between the results of rapid test, severity at initial visit, and clinical course. RESULTS Regarding performance accuracy based on culture results, AOS-116 showed 1) high (>80%) sensitivity, specificity, and negative predictive value (NPV) in MEFs for both antigens, 2) high sensitivity, specificity, and positive predictive value (PPV) in NPSs for Hi antigen, and 3) high specificity, and PPV in NPSs for Sp antigen. Regarding predictive value of nasopharyngeal culture and antigen detection for causative middle ear pathogens, similar results were observed between AOS-116 and culture, which was characterized with high sensitivity and NPV for both pathogens. MEFs/NPSs positive for Hi antigen were significantly associated with eardrum findings, and severity. MEFs/NPSs positive for pneumococcal antigen were significantly associated with severity of otalgia, fever, and otorrhea. Among patients with prior antimicrobial treatment, improvement tended to be slower in cases positive for Hi than in cases negative. CONCLUSION The rapid antigen detection test is useful as a decision-making tool for prescribing antimicrobial agents and may play an important role in promoting appropriate antimicrobial use.
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Affiliation(s)
- Masamitsu Kono
- Department of Otorhinolaryngology-Head and Neck Surgery, Wakayama Medical University, Wakayama, Wakayama, Japan
| | | | - Toshihiro Tanaka
- Department of Pediatrics, Shizuoka Kosei Hospital, Shizuoka, Shizuoka, Japan
| | | | | | | | | | | | | | | | | | | | | | - Yukako Goto
- Department of Otorhinolaryngology, Konan Medical Center, Kobe, Hyogo, Japan
| | | | - Daichi Murakami
- Department of Otorhinolaryngology-Head and Neck Surgery, Wakayama Medical University, Wakayama, Wakayama, Japan
| | - Takuji Miyata
- Asahi Kasei Corporation, Corporate Research & Development, Healthcare R&D Center, Rapid Diagnostic Technology, Fuji, Shizuoka, Japan
| | - Norikazu Okamura
- Asahi Kasei Corporation, Corporate Research & Development, Healthcare R&D Center, Clinical Development Department, Chiyoda-ku Yuraku-cho, Tokyo, Japan
| | - Muneki Hotomi
- Department of Otorhinolaryngology-Head and Neck Surgery, Wakayama Medical University, Wakayama, Wakayama, Japan.
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TSUGAMI Y, NAGASAWA Y, SUGIYAMA A, ANDO Y, ODA K, MAEHANA K, OBAYASHI T, HAYASHI T. Performance evaluation of a rapid immunochromatographic test kit in detecting bovine mastitis-causing streptococci. J Vet Med Sci 2024; 86:474-479. [PMID: 38494699 PMCID: PMC11144529 DOI: 10.1292/jvms.23-0438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 03/06/2024] [Indexed: 03/19/2024] Open
Abstract
Mastitis causes significant economic losses to the dairy industry due to decreased milk production in infected cows. Identification of mastitis-causing pathogens, such as streptococci, is necessary for selecting an effective antibiotic for treating mastitis. Although bacterial cultivation is widely used for pathogen identification, it requires more than 24 hr to complete. Contrarily, Lateral flow assays are simple, rapid, and inexpensive testing procedures. In this study, the effectiveness of an immunochromatographic test kit for detecting streptococci in milk samples from cows with clinical mastitis was evaluated as an alternative to bacterial cultivation. The performance of the immunochromatographic test kit for detecting mastitis-causing pathogens was compared with that of bacterial cultivation and real-time quantitative polymerase chain reaction (qPCR). The sensitivity and specificity of the immunochromatographic test kit were 0.800 and 0.875, respectively, compared with bacterial cultivation. Additionally, the κ statistic values of the immunochromatographic test kit was 0.667, indicating substantial agreement with the results of bacterial cultivation. Statistically, sensitivity and specificity of the immunochromatographic kit and real-time qPCR did not differ significantly; thus, the immunochromatographic test kit detected mastitis-causing streptococci as effectively as real-time qPCR. Therefore, the immunochromatographic kit is a rapid, inexpensive, and simple method for detecting streptococci and contributes to the timely selection of appropriate antibiotics for treatment and promotes early recovery from mastitis.
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Affiliation(s)
- Yusaku TSUGAMI
- Pathology and Production Disease Group, Division of Hygiene Management, National Institute of Animal Health, National Agriculture and Food Research
Organization, Hokkaido, Japan
| | - Yuya NAGASAWA
- Pathology and Production Disease Group, Division of Hygiene Management, National Institute of Animal Health, National Agriculture and Food Research
Organization, Hokkaido, Japan
| | - Aoi SUGIYAMA
- Pathology and Production Disease Group, Division of Hygiene Management, National Institute of Animal Health, National Agriculture and Food Research
Organization, Hokkaido, Japan
| | - Yu ANDO
- Research Laboratory of Advanced Science & Technology, Corporate Research & Development, Asahi Kasei Corporation, Shizuoka, Japan
| | - Kotaro ODA
- Research Laboratory of Advanced Science & Technology, Corporate Research & Development, Asahi Kasei Corporation, Shizuoka, Japan
| | - Koji MAEHANA
- Research Laboratory of Advanced Science & Technology, Corporate Research & Development, Asahi Kasei Corporation, Shizuoka, Japan
| | - Tetsu OBAYASHI
- Shikaoi Veterinary Clinic, NOSAI Hokkaido, Hokkaido, Japan
| | - Tomohito HAYASHI
- Pathology and Production Disease Group, Division of Hygiene Management, National Institute of Animal Health, National Agriculture and Food Research
Organization, Hokkaido, Japan
- Nippon Zenyaku Kogyo Corporation, Fukushima, Japan
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Jayaraman Y, Mehendale S, Jayaraman R, Varghese R, Chethrapilly Purushothaman GK, Rajkumar P, Sukumar B, Pillai RK, Mohan G, Radhakrishnan DN, Sridharan S, Babu N, Ganesapillai M, Rao SP, Kar SK, Manchanda V, Kanga A, Verghese VP, Veeraraghavan B. Immunochromatography in CSF improves data on surveillance of S. pneumoniae meningitis in India. J Infect Public Health 2018; 11:735-738. [DOI: 10.1016/j.jiph.2018.01.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Revised: 12/30/2017] [Accepted: 01/03/2018] [Indexed: 10/17/2022] Open
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Fukushima K, Kubo T, Ehara N, Nakano R, Matsutake T, Ishimatu Y, Tanaka Y, Akamatsu S, Izumikawa K, Kohno S. A novel method for rapid detection of Streptococcus pneumoniae antigens in blood. J Infect Chemother 2016; 22:143-8. [PMID: 26778250 DOI: 10.1016/j.jiac.2015.12.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2015] [Revised: 11/20/2015] [Accepted: 12/02/2015] [Indexed: 11/24/2022]
Abstract
In this study, we used "RAPIRUN(®)Streptococcus pneumoniae HS (otitis media/sinusitis) (RAPIRUN-HS)," a rapid S. pneumoniae antigen detection kit, to investigate methods for detecting S. pneumoniae antigens in blood of 32 bacterial pneumonia patients. We simultaneously performed PCR to detect S. pneumoniae in blood samples. The results of these tests were compared based on pneumonia severity, determined using the Pneumonia Severity Index (PSI) score classification. Four S. pneumoniae PCR-positive patients of the six severe pneumococcal pneumonia patients (PSI risk class IV/V) also tested positive using RAPIRUN-HS. Twenty-four mild to moderate pneumonia patients (PSI risk class I-III) were S. pneumoniae PCR-negative; of these, 21 tested negative using RAPIRUN-HS. The pneumococcal pneumonia patients testing positive using RAPIRUN-HS had low leukocyte counts and elevated C-reactive protein and procalcitonin levels, indicating that RAPIRUN-HS results were correlated with pneumonia severity. The time course evaluations of the laboratory tests for severe pneumococcal pneumonia patients showed that RAPIRUN-HS and S. pneumoniae PCR yielded positive results earlier than the changes in procalcitonin and IL-6. Thus, concomitant pneumococcal bacteremia was strongly suspected in patients testing positive using RAPIRUN-HS. In conclusion, RAPIRUN-HS may be useful for determining whether to admit patients into hospitals and selecting the appropriate antimicrobial agents.
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Affiliation(s)
- Kiyoyasu Fukushima
- Division of Respiratory Medicine, Japanese Red Cross Nagasaki Genbaku Isahaya Hospital, Nagasaki, Japan.
| | - Toru Kubo
- Division of Respiratory Medicine, Japanese Red Cross Nagasaki Genbaku Isahaya Hospital, Nagasaki, Japan
| | - Naomi Ehara
- Division of Respiratory Medicine, Japanese Red Cross Nagasaki Genbaku Isahaya Hospital, Nagasaki, Japan
| | - Reiji Nakano
- Division of Respiratory Medicine, Japanese Red Cross Nagasaki Genbaku Isahaya Hospital, Nagasaki, Japan
| | - Toyoshi Matsutake
- Division of Respiratory Medicine, Japanese Red Cross Nagasaki Genbaku Isahaya Hospital, Nagasaki, Japan
| | - Yuji Ishimatu
- Second Department of Internal Medicine, Nagasaki University School of Medicine, Nagasaki, Japan
| | - Yumi Tanaka
- Otsuka Pharmaceutical Co., Ltd., Tokyo, Japan
| | | | - Koichi Izumikawa
- Second Department of Internal Medicine, Nagasaki University School of Medicine, Nagasaki, Japan
| | - Shigeru Kohno
- Second Department of Internal Medicine, Nagasaki University School of Medicine, Nagasaki, Japan
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Kitamura K, Iino Y, Kamide Y, Kudo F, Nakayama T, Suzuki K, Taiji H, Takahashi H, Yamanaka N, Uno Y. Clinical Practice Guidelines for the diagnosis and management of acute otitis media (AOM) in children in Japan – 2013 update. Auris Nasus Larynx 2015; 42:99-106. [DOI: 10.1016/j.anl.2014.09.006] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2014] [Revised: 09/05/2014] [Accepted: 09/18/2014] [Indexed: 11/28/2022]
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Yamanaka N, Iino Y, Uno Y, Kudo F, Kurono Y, Suzaki H, Haruna S, Hotomi M, Horiguchi S, Mashima Y, Matsubara S, Nakayama T, Hirakawa K, Okamoto Y. Practical guideline for management of acute rhinosinusitis in Japan. Auris Nasus Larynx 2015; 42:1-7. [DOI: 10.1016/j.anl.2014.05.022] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2014] [Revised: 04/01/2014] [Accepted: 05/30/2014] [Indexed: 10/25/2022]
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Development of an immunochromatographic assay kit using fluorescent silica nanoparticles for rapid diagnosis of Acanthamoeba keratitis. J Clin Microbiol 2014; 53:273-7. [PMID: 25392356 DOI: 10.1128/jcm.02595-14] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
We developed an immunochromatographic assay kit that uses fluorescent silica nanoparticles bound to anti-Acanthamoeba antibodies (fluorescent immunochromatographic assay [FICGA]) and evaluated its efficacy for the detection of Acanthamoeba and diagnosis of Acanthamoeba keratitis (AK). The sensitivity of the FICGA kit was evaluated using samples of Acanthamoeba trophozoites and cysts diluted to various concentrations. A conventional immunochromatographic assay kit with latex labels (LICGA) was also evaluated to determine its sensitivity in detecting Acanthamoeba trophozoites. To check for cross-reactivity, the FICGA was performed by using samples of other common causative pathogens of infectious keratitis, such as Pseudomonas aeruginosa, Staphylococcus aureus, Staphylococcus epidermidis, and Candida albicans. Corneal scrapings from patients with suspected AK were tested with the FICGA kit to detect the presence of Acanthamoeba, and the results were compared with those of real-time PCR. The FICGA kit detected organisms at concentrations as low as 5 trophozoites or 40 cysts per sample. There were no cross-reactivities with other pathogens. The FICGA was approximately 20 times more sensitive than the LICGA for the detection of Acanthamoeba trophozoites. The FICGA kit yielded positive results for all 10 patients, which corresponded well with the real-time PCR results. The FICGA kit demonstrated high sensitivity for the detection of Acanthamoeba and may be useful for the diagnosis of AK.
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An application of outer membrane protein p6-specific enzyme-linked immunosorbent assay for detection of haemophilus influenzae in middle ear fluids and nasopharyngeal secretions. PLoS One 2013; 8:e71774. [PMID: 24015192 PMCID: PMC3756020 DOI: 10.1371/journal.pone.0071774] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2013] [Accepted: 07/04/2013] [Indexed: 11/19/2022] Open
Abstract
An enzyme-linked immunosorbent assay specific to outer membrane protein P6 (P6-ELISA) was applied for detecting Haemophilus influenzae in middle ear fluids (MEFs) from acute otitis media (AOM) patients and in nasopharyngeal secretions (NPSs) from acute rhinosinusitis patients. P6-ELISA had a sensitivity of 83.3% for MEFs and 71.5% for NPSs and a specificity of 85.6% for MEFs and 92.5% for NPSs, respectively. Real-time PCR exhibited significant differences in the number of ompP1 gene copies among samples determined by P6-ELISA to be positive and negative for H. influenzae. However, because the P6-ELISA test has the reactivity in Haemophilus species include two commensals H. haemolyticus and H. parainfluenzae, it is thus a weak method in order to detect only NTHi correctly. Consequently, diagnosis using the P6-ELISA should be based on an overall evaluation, including the results of other related examinations and clinical symptoms to prevent misleading conclusions in clinical setting.
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