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  1. Article ; Online: Cryptogenic organizing pneumonia after withdrawal of systemic corticosteroids for chronic eosinophilic pneumonia and severe asthma under benralizumab treatment.

    Morikawa, Keisuke / Toyoshima, Mikio / Koda, Keigo / Kamiya, Yosuke / Suda, Takafumi

    Respiratory investigation

    2024  Volume 62, Issue 2, Page(s) 231–233

    Abstract: A 79-year-old woman with severe asthma developed chronic eosinophilic pneumonia (CEP). After CEP resolved with oral prednisolone at 30 mg/day, prednisolone was tapered and discontinued under introduction of benralizumab for her severe asthma. However, 8 ... ...

    Abstract A 79-year-old woman with severe asthma developed chronic eosinophilic pneumonia (CEP). After CEP resolved with oral prednisolone at 30 mg/day, prednisolone was tapered and discontinued under introduction of benralizumab for her severe asthma. However, 8 weeks later, symptoms and bilateral patchy infiltrates on chest radiography appeared. Lymphocytosis without eosinophilia was seen in bronchoalveolar lavage fluids, and transbronchial biopsy indicated organizing pneumonia. Cryptogenic organizing pneumonia (COP) was diagnosed and resolved with prednisolone at 30 mg/day. Prednisolone was tapered to 3 mg/day without relapse of CEP or COP. This case suggests the overlap and similar pathogenesis of CEP and COP.
    MeSH term(s) Female ; Humans ; Aged ; Pulmonary Eosinophilia/chemically induced ; Pulmonary Eosinophilia/drug therapy ; Cryptogenic Organizing Pneumonia/chemically induced ; Cryptogenic Organizing Pneumonia/drug therapy ; Cryptogenic Organizing Pneumonia/pathology ; Asthma/drug therapy ; Adrenal Cortex Hormones ; Prednisolone/adverse effects ; Antibodies, Monoclonal, Humanized
    Chemical Substances benralizumab (71492GE1FX) ; Adrenal Cortex Hormones ; Prednisolone (9PHQ9Y1OLM) ; Antibodies, Monoclonal, Humanized
    Language English
    Publishing date 2024-01-14
    Publishing country Netherlands
    Document type Case Reports
    ZDB-ID 2660821-2
    ISSN 2212-5353 ; 2212-5345
    ISSN (online) 2212-5353
    ISSN 2212-5345
    DOI 10.1016/j.resinv.2023.12.010
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Idiopathic Fibrotic Nonspecific Interstitial Pneumonia with Cicatricial Organizing Pneumonia and Intraluminal Pulmonary Ossification Containing Bone Marrow.

    Morikawa, Keisuke / Toyoshima, Mikio / Koda, Keigo / Suda, Takafumi

    Internal medicine (Tokyo, Japan)

    2023  

    Abstract: A 72-year-old man presented with bilateral ground-glass opacities in the lower lung fields on chest radiography. Computed chest tomography showed ground-glass opacities and micronodules in both lower lungs. A video-assisted thoracoscopic biopsy of the ... ...

    Abstract A 72-year-old man presented with bilateral ground-glass opacities in the lower lung fields on chest radiography. Computed chest tomography showed ground-glass opacities and micronodules in both lower lungs. A video-assisted thoracoscopic biopsy of the right lower lung showed homogeneous thickening of the alveolar septa with fibrosis and inflammatory cell infiltration consistent with fibrotic non-specific interstitial pneumonia (fNSIP). Cicatricial organizing pneumonia and intraluminal pulmonary ossification containing bone marrow that was considered to represent dendriform pulmonary ossification. Idiopathic fNSIP was diagnosed. The patient remains stable under antifibrotic treatment.
    Language English
    Publishing date 2023-11-20
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 32371-8
    ISSN 1349-7235 ; 0021-5120 ; 0918-2918
    ISSN (online) 1349-7235
    ISSN 0021-5120 ; 0918-2918
    DOI 10.2169/internalmedicine.2834-23
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Mediastinal Emphysema with Electrocardiogram Abnormality.

    Tsuchiya, Kazuo / Sagisaka, Shinya / Suda, Takafumi

    Internal medicine (Tokyo, Japan)

    2020  Volume 59, Issue 14, Page(s) 1783–1784

    Language English
    Publishing date 2020-04-23
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 32371-8
    ISSN 1349-7235 ; 0021-5120 ; 0918-2918
    ISSN (online) 1349-7235
    ISSN 0021-5120 ; 0918-2918
    DOI 10.2169/internalmedicine.4460-20
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Varus placement of the tibial component reduces the potential risk of fracture with adequate bony coverage in the Oxford unicompartmental knee arthroplasty.

    Kamenaga, Tomoyuki / Hiranaka, Takafumi / Suda, Yoshihito / Fujishiro, Takaaki / Okamoto, Koji / Kuroda, Ryosuke / Matsumoto, Tomoyuki

    Scientific reports

    2024  Volume 14, Issue 1, Page(s) 1274

    Abstract: A short keel-cortex distance (KCD), especially to the posterior cortex, is a potential risk factor for tibial plateau fracture after Oxford mobile-bearing unicompartmental knee arthroplasty (OUKA). This study aimed to evaluate the effect of tibial ... ...

    Abstract A short keel-cortex distance (KCD), especially to the posterior cortex, is a potential risk factor for tibial plateau fracture after Oxford mobile-bearing unicompartmental knee arthroplasty (OUKA). This study aimed to evaluate the effect of tibial component alignment in the coronal plane and tibial proximal morphology on the KCD. Included in this study were 51 patients scheduled for primary Oxford medial unicompartmental knee arthroplasty (UKA). The anterior and posterior KCD were preoperatively assessed using 3D simulation software with the component set perpendicular to the tibial mechanical axis (neutral), 3° valgus, 3° varus, and 6° varus, relative to neutral alignment. We evaluated the existence of overhanging medial tibial condyle where the medial eminence line, the line including the medial tibial eminence parallel to the tibial axis, passes outside of the tibial shaft. In all component alignments, patients with a medial overhanging condyle had significantly shorter posterior KCD than those without. In patients with a medial overhanging condyle, the posterior KCD significantly increased when the tibial component was placed in 3° varus (4.6 ± 1.5 mm, P = 0.003 vs neutral, P < 0.001 vs 3° valgus) and 6° varus (5.0 ± 1.4 mm, P < 0.001 vs neutral, P < 0.001 vs 3° valgus) compared with in neutral (3.5 ± 1.9 mm) or 3° valgus (2.8 ± 1.8 mm). In OUKA, varus implantation increased the KCD. This could potentially decrease the risk of fracture, even in knees with the overhanging medial condyle. Conversely, valgus implantation of the tibial component shortened the KCD, and should therefore be avoided.
    MeSH term(s) Humans ; Arthroplasty, Replacement, Knee/adverse effects ; Knee Prosthesis/adverse effects ; Tibia/surgery ; Tibial Fractures/diagnostic imaging ; Tibial Fractures/surgery ; Tibial Fractures/etiology ; Risk Factors ; Knee Joint/diagnostic imaging ; Knee Joint/surgery ; Osteoarthritis, Knee/surgery ; Osteoarthritis, Knee/complications ; Retrospective Studies
    Language English
    Publishing date 2024-01-13
    Publishing country England
    Document type Journal Article
    ZDB-ID 2615211-3
    ISSN 2045-2322 ; 2045-2322
    ISSN (online) 2045-2322
    ISSN 2045-2322
    DOI 10.1038/s41598-023-48659-4
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Varus placement of the tibial component reduces the potential risk of fracture with adequate bony coverage in the Oxford unicompartmental knee arthroplasty

    Tomoyuki Kamenaga / Takafumi Hiranaka / Yoshihito Suda / Takaaki Fujishiro / Koji Okamoto / Ryosuke Kuroda / Tomoyuki Matsumoto

    Scientific Reports, Vol 14, Iss 1, Pp 1-

    2024  Volume 9

    Abstract: Abstract A short keel-cortex distance (KCD), especially to the posterior cortex, is a potential risk factor for tibial plateau fracture after Oxford mobile-bearing unicompartmental knee arthroplasty (OUKA). This study aimed to evaluate the effect of ... ...

    Abstract Abstract A short keel-cortex distance (KCD), especially to the posterior cortex, is a potential risk factor for tibial plateau fracture after Oxford mobile-bearing unicompartmental knee arthroplasty (OUKA). This study aimed to evaluate the effect of tibial component alignment in the coronal plane and tibial proximal morphology on the KCD. Included in this study were 51 patients scheduled for primary Oxford medial unicompartmental knee arthroplasty (UKA). The anterior and posterior KCD were preoperatively assessed using 3D simulation software with the component set perpendicular to the tibial mechanical axis (neutral), 3° valgus, 3° varus, and 6° varus, relative to neutral alignment. We evaluated the existence of overhanging medial tibial condyle where the medial eminence line, the line including the medial tibial eminence parallel to the tibial axis, passes outside of the tibial shaft. In all component alignments, patients with a medial overhanging condyle had significantly shorter posterior KCD than those without. In patients with a medial overhanging condyle, the posterior KCD significantly increased when the tibial component was placed in 3° varus (4.6 ± 1.5 mm, P = 0.003 vs neutral, P < 0.001 vs 3° valgus) and 6° varus (5.0 ± 1.4 mm, P < 0.001 vs neutral, P < 0.001 vs 3° valgus) compared with in neutral (3.5 ± 1.9 mm) or 3° valgus (2.8 ± 1.8 mm). In OUKA, varus implantation increased the KCD. This could potentially decrease the risk of fracture, even in knees with the overhanging medial condyle. Conversely, valgus implantation of the tibial component shortened the KCD, and should therefore be avoided.
    Keywords Medicine ; R ; Science ; Q
    Subject code 600
    Language English
    Publishing date 2024-01-01T00:00:00Z
    Publisher Nature Portfolio
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  6. Article ; Online: Up-to-Date Information on Rheumatoid Arthritis-Associated Interstitial Lung Disease

    Takafumi Suda

    Clinical Medicine Insights: Circulatory, Respiratory and Pulmonary Medicine, Vol 2015, Iss Suppl. 1, Pp 155-

    2016  Volume 162

    Keywords Internal medicine ; RC31-1245 ; Diseases of the circulatory (Cardiovascular) system ; RC666-701 ; Diseases of the respiratory system ; RC705-779
    Language English
    Publishing date 2016-05-01T00:00:00Z
    Publisher Libertas Academica
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  7. Article ; Online: Nationwide survey of adult patients with pulmonary alveolar proteinosis using the National Database of designated intractable diseases of Japan.

    Miyashita, Koichi / Hozumi, Hironao / Inoue, Yoshikazu / Suzuki, Takuji / Suda, Takafumi

    Respiratory investigation

    2023  Volume 61, Issue 3, Page(s) 364–370

    Abstract: Background: Autoimmune pulmonary alveolar proteinosis (APAP) and congenital/hereditary PAP were labeled intractable diseases in Japan in 2015. Since then, patients registered in the National Database of Designated Incurable Diseases (NDDID) who met ... ...

    Abstract Background: Autoimmune pulmonary alveolar proteinosis (APAP) and congenital/hereditary PAP were labeled intractable diseases in Japan in 2015. Since then, patients registered in the National Database of Designated Incurable Diseases (NDDID) who met certain requirements became eligible for medical subsidies. Epidemiological studies using recent data are needed for the development of management protocols for patients with PAP.
    Methods: We conducted the first nationwide study describing the epidemiology and characteristics of PAP using data for patients registered in the Japanese NDDID between 2015 and 2020. We focused on patient demographics, diagnosis, disease severity score (DSS), symptoms, test results, and treatment.
    Results: We identified 110 patients with PAP, among whom 96.4% had APAP/idiopathic PAP (IPAP). The median age was 58 years, with a slight male predominance. Most patients had a DSS ≥3 (64.5%) and reported symptoms (e.g., dyspnea on exertion). High-resolution computed tomography typically revealed ground glass opacity and crazy paving appearances. Pulmonary function was relatively preserved, except for carbon monoxide diffusing capacity. Only 27.4% of patients underwent therapeutic whole-lung lavage and/or bronchoalveolar lavage, while 25% required long-term oxygen therapy. Serum Krebs von den Lungen-6, surfactant protein D, and lactate dehydrogenase levels significantly and positively correlated with the DSS.
    Conclusions: Most patients registered in the NDDID have APAP/IPAP with a DSS ≥3, and about one-quarter require long-term oxygen therapy and infrequent lavages. Our results provide important details of the current prevalence and clinical practice related to APAP/IPAP with a DSS ≥3 in Japan.
    MeSH term(s) Humans ; Adult ; Male ; Middle Aged ; Female ; Pulmonary Alveolar Proteinosis/epidemiology ; Pulmonary Alveolar Proteinosis/therapy ; Japan/epidemiology ; Lung ; Autoimmune Diseases/therapy ; Bronchoalveolar Lavage ; Oxygen
    Chemical Substances Oxygen (S88TT14065)
    Language English
    Publishing date 2023-04-10
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 2660821-2
    ISSN 2212-5353 ; 2212-5345
    ISSN (online) 2212-5353
    ISSN 2212-5345
    DOI 10.1016/j.resinv.2023.02.011
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: Up-to-Date Information on Rheumatoid Arthritis-Associated Interstitial Lung Disease.

    Suda, Takafumi

    Clinical medicine insights. Circulatory, respiratory and pulmonary medicine

    2016  Volume 9, Issue Suppl 1, Page(s) 155–162

    Abstract: Pulmonary involvement is common in rheumatoid arthritis (RA) and affects all the components of the lung. Interstitial lung disease (ILD) is the most predominant pulmonary manifestation and has been identified as the main cause of morbidity and mortality ... ...

    Abstract Pulmonary involvement is common in rheumatoid arthritis (RA) and affects all the components of the lung. Interstitial lung disease (ILD) is the most predominant pulmonary manifestation and has been identified as the main cause of morbidity and mortality in RA. Clinically significant RA-ILD occurs in approximately 10% of RA patients. Several risk factors, such as old age, male gender, and smoking, have been reported to date. Histologically, the proportion of the usual interstitial pneumonia (UIP) pattern is higher in RA-ILD than in ILD associated with other connective tissue diseases, and RA-ILD also shows nonspecific interstitial pneumonia and organizing pneumonia patterns. High-resolution computed tomography scans are highly predictive of the histological UIP pattern with a specificity of 96%-100%. Acute exacerbation, which is the acute deterioration of the respiratory status characterized by newly developed bilateral infiltrates with unknown etiologies, has been reported in RA-ILD. Although acute exacerbation of RA-ILD has high mortality, similar to that of idiopathic pulmonary fibrosis, its incidence is lower in RA-ILD than in idiopathic pulmonary fibrosis. A consensus treatment has not yet been established. Current therapeutic regimens typically include corticosteroids with or without cytotoxic agents. Recent large longitudinal studies reported that the prognosis of RA-ILD was poor with a median survival of 2.6-3.0 years. Furthermore, histological and/or radiological patterns, such as UIP or non-UIP, have significant prognostic implications. RA-ILD patients with histological or radiological UIP patterns have poorer prognoses than those with non-UIP patterns. This review assessed the characteristics of RA-ILD by overviewing recent studies in the field and focused on the clinical significance of histological and/or radiological patterns in RA-ILD.
    Language English
    Publishing date 2016-05-31
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 2583465-4
    ISSN 1179-5484
    ISSN 1179-5484
    DOI 10.4137/CCRPM.S23289
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: CLEC10A expression defines functionally distinct subsets of conventional type 2 dendritic cells (cDC2) in the mouse lung.

    Nihashi, Fumiya / Furuhashi, Kazuki / Horiguchi, Ryo / Kitahara, Yoshihiro / Inoue, Yusuke / Yasui, Hideki / Karayama, Masato / Suzuki, Yuzo / Hozumi, Hironao / Enomoto, Noriyuki / Fujisawa, Tomoyuki / Nakamura, Yutaro / Inui, Naoki / Suda, Takafumi

    Allergology international : official journal of the Japanese Society of Allergology

    2024  

    Language English
    Publishing date 2024-02-09
    Publishing country England
    Document type Letter
    ZDB-ID 1336498-4
    ISSN 1440-1592 ; 1323-8930
    ISSN (online) 1440-1592
    ISSN 1323-8930
    DOI 10.1016/j.alit.2024.01.011
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Pulmonary Hypertension Associated with Diffuse Panbronchiolitis That Improved with Erythromycin and Home Oxygen Therapy.

    Kamiya, Chiaki / Odagiri, Keiichi / Inui, Naoki / Suda, Takafumi / Watanabe, Hiroshi

    Internal medicine (Tokyo, Japan)

    2022  Volume 62, Issue 15, Page(s) 2231–2236

    Abstract: Pulmonary hypertension (PH) often complicates chronic lung disease. However, there are few reports of PH associated with diffuse panbronchiolitis, and there is no effective treatment. We herein report a 64-year-old woman diagnosed with PH due to diffuse ... ...

    Abstract Pulmonary hypertension (PH) often complicates chronic lung disease. However, there are few reports of PH associated with diffuse panbronchiolitis, and there is no effective treatment. We herein report a 64-year-old woman diagnosed with PH due to diffuse panbronchiolitis. She received erythromycin, carbocysteine, and home oxygen therapy (1 L O
    MeSH term(s) Female ; Humans ; Middle Aged ; Erythromycin/therapeutic use ; Hypertension, Pulmonary/complications ; Hypertension, Pulmonary/drug therapy ; Bronchiolitis/complications ; Bronchiolitis/drug therapy ; Oxygen
    Chemical Substances Erythromycin (63937KV33D) ; Oxygen (S88TT14065)
    Language English
    Publishing date 2022-12-14
    Publishing country Japan
    Document type Case Reports ; Journal Article
    ZDB-ID 32371-8
    ISSN 1349-7235 ; 0021-5120 ; 0918-2918
    ISSN (online) 1349-7235
    ISSN 0021-5120 ; 0918-2918
    DOI 10.2169/internalmedicine.0929-22
    Database MEDical Literature Analysis and Retrieval System OnLINE

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