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      Application of CT images based on the optimal atlas segmentation algorithm in the clinical diagnosis of Mycoplasma Pneumoniae Pneumonia in Children

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          Abstract

          Objective:

          Use of optimal Atlas segmentation algorithm to study the imaging signs of mycoplasma pneumonia with multi-slice spiral CT (HRCT), and to explore the value of HRCT in the diagnosis and efficacy in evaluation of mycoplasma pneumonia in children.

          Methods:

          The study retrospectively analyzed 72 patients diagnosed with mycoplasma pneumonia in our hospital from January 2017 to January 2019. The imaging data and clinical data of 72 patients were collected. The optimal Atlas segmentation algorithm was used to analyze the characteristics of CT examination, and the value of CT in the diagnosis of mycoplasma pneumonia and the evaluation of curative effect was summarized.

          Results:

          Among all patients, 37 cases were unilateral lesions, 35 cases were bilateral lesions, 19 cases were in the left upper lobe, 24 cases were in the left lower lobe, 21 cases were in the right upper lobe, 13 cases were in the right middle lobe, 25 The lesion was located in the right lower lobe. The main CT findings of the lesions before treatment were large patchy, spot-shaped shadows, and strip-shaped or ground-glass shadows. After treatment, the main CT findings of the lesions were reduced lesion density and reduced lesion range.

          Conclusion:

          CT can clearly show the pulmonary lesions of mycoplasma pneumonia, and its unique imaging signs can improve the clinical diagnosis accuracy. In addition, CT scans can evaluate the treatment effect according to the changes in the characteristics of the lesion, which has important value for the evaluation of the effect for clinical diagnosis and efficacy evaluation of mycoplasma pneumonia.

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          The Clinical Characteristics and Predictors of Refractory Mycoplasma pneumoniae Pneumonia in Children

          Yuanyuan Zhang, Yunlian Zhou, Shuxian Li … (2016)
          Objective To analyze the clinical characteristics of refracory Mycoplasma pneumoniae pneumonia (RMPP), and explore the related factors predicting RMPP. Methods Retrospective analysis was performed on 634 children with Mycoplasma pneumoniae pneumonia (MPP) hospitalized in our hospital between January 1, 2011 and December 31, 2014. The clinical features, laboratory data, radiological findings between the RMPP group and the general Mycoplasma pneumoniae pneumonia (GMPP) group were compared and the predictive values of related factors were analyzed. Results The median age of the RMPP patients (n = 145) was much older than that of the GMPP patients (n = 489) (P<0.01). We also found more severe presentations, higher incidence of extra-pulmonary complications and more serious radiological findings in RMPP group, which needed oxygen more often, longer antibiotics administration and intensive care (P<0.05). Meanwhile, the levels of C-reactive protein (CRP), lactic dehydrogenase (LDH), immunoglobulin A (IgM), interleukin (IL)-6, IL-10, interferon gamma (IFN-γ) and the percentage of neutrophils, CD8+ in RMPP group were significantly higher than those in GMPP group (P<0.05); while the levels of prealbumin (PAB) were lower than that in GMPP group (P<0.01). In ROC curve analysis, the percentage of neutrophil, CRP, LDH, PAB, IL-6, IL-10 and IFN-γ were useful for differentiating patients with RMPP from those with GMPP. Multiple logistic regression analysis showed that the CRP≥16.5mg/L, LDH ≥417IU/L and IL-6 ≥14.75pg/ml were significant predictors regarding to RMPP. Conclusions CRP≥16.5mg/L, LDH ≥417IU/L and IL-6 ≥14.75pg/ml might be the significant predictors of RMPP in children, which can aid in early recognition of RMPP.
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            Mycoplasma pneumoniae : A Potentially Severe Infection

            Bharat Bajantri, Sindhaghatta Venkatram, Gilda Diaz-Fuentes (2018)
            Mycoplasma pneumoniae infections remain one of the most common etiologies of community-acquired pneumonia (CAP). The clinical presentation and manifestations vary widely and can affect all organs of the body. Diagnosis is challenging because there are no constant findings in physical exams or laboratory or radiological assessments that indicate Mycoplasma pneumoniae pneumonia, and specific diagnostic tools are not readily available. Extrapulmonary manifestations and severe pulmonary manifestations can lead to long-term sequelae. The increasing emergence of Mycoplasma pneumoniae that is resistant to macrolides in some areas of the world and increased world travel could add to the difficulty of controlling and treating Mycoplasma pneumoniae infections. We present a concise and up-to-date review of the current knowledge of Mycoplasma pneumoniae pneumonia.
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              Clinical manifestations in infants and children with Mycoplasma pneumoniae infection

              Mia Søndergaard, Martin Barfred Friis, Dennis Schrøder Hansen … (2018)
              Background Mycoplasma pneumoniae is a common cause of community-acquired pneumonia in older children. Pulmonary and extra-pulmonary symptoms associated with M. pneumoniae infection are reported. M. pneumoniae is mainly epidemic in Denmark with the recurrence every 4-7th year. Aims Retrospectively, to describe the epidemiology and clinical features, in infants and children, during the M. pneumoniae epidemic in 2010 and 2011. Methods All children under the age of 16 that were tested for M. pneumoniae during the period 01.02.2010–31.01.2012 were included. Medical charts, as well as radiological findings, were reviewed for all children with M. pneumoniae. A post-hoc analysis of viral co-infections was done on part of the cohort. Results 134 of 746 children were tested positive for M. pneumoniae by PCR or serology. Positive tests were found in 65% of children seven years and older, in 30% of 2-6-year-olds and 4% of infants (less than two years of age). Viral co-infection was found in 27% of the tested samples. The clinical presentation was a cough, asthma-like symptoms and low-grade fever. Extra-pulmonary symptoms were common and presented as nausea/vomiting by 33% of the children and skin manifestations by 25%. 84% of the children had a chest x-ray taken, and there were positive radiological findings in 94% of these. Conclusion M. pneumoniae also affected infants and young children and symptoms were similar to infections with respiratory viruses, but severe LRTI were also seen. During an up-coming epidemic, assessment of extra-pulmonary manifestations can be helpful when diagnosing M. pneumoniae infections.
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                Author and article information

                Journal
                Journal ID (nlm-ta): Pak J Med Sci
                Journal ID (iso-abbrev): Pak J Med Sci
                Title: Pakistan Journal of Medical Sciences
                Publisher: Professional Medical Publications (Pakistan )
                ISSN (Print): 1682-024X
                ISSN (Electronic): 1681-715X
                Publication date (Print): 2021
                Volume: 37
                Issue: 6
                Pages: 1647-1651
                Affiliations
                [1 ]Xilin Fu, Attending Physician, Department of Pediatrics, Yiwu Central Hospital, Yiwu, 322000, China
                [2 ]Ningfei Yang, Attending Physician, Department of Pediatrics, Yiwu Central Hospital, Yiwu, 322000, China
                [3 ]Jianwei Ji, Attending Physician, Department of Pediatrics, Yiwu Central Hospital, Yiwu, 322000, China
                Author notes
                Correspondence: Jianwei Ji, Department of Pediatrics, Yiwu Central Hospital, Yiwu, 322000, China. Email: jijianweiywch@ 123456126.com
                Article
                Publisher ID: PJMS-37-1647
                DOI: 10.12669/pjms.37.6-WIT.4860
                PMC ID: 8520366
                SO-VID: 0bc3a279-e511-4f70-a0b5-016146860597
                Copyright © Copyright: © Pakistan Journal of Medical Sciences
                License:

                This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                Date received : 09 April 2021
                Date revision received : 12 June 2021
                Date accepted : 08 July 2021
                Categories
                Subject: Original Article

                Keywords: clinical diagnosis,ct images,children,optimal atlas segmentation algorithm,mycoplasma pneumoniae pneumonia
                Data availability:
                Keywords: clinical diagnosis, ct images, children, optimal atlas segmentation algorithm, mycoplasma pneumoniae pneumonia

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