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Respiratory Investigation

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https://www.readbyqxmd.com/read/29325687/clinical-significance-and-epidemiologic-analyses-of-mycobacterium-avium-and-mycobacterium-intracellulare-lung-disease-from-post-marketing-surveillance
#1
Katsuhiro Suzuki, Atsuyuki Kurashima, Kinji Tatsuno, Jun-Ichi Kadota
BACKGROUND: In Japan, nontuberculous mycobacterial lung disease is mostly attributable to Mycobacterium avium complex (MAC), i.e., M. avium or M. intracellulare. However, clinical features of the disease caused by these two pathogens have not been studied sufficiently yet. METHODS: A post-marketing survey of clarithromycin was performed at 130 facilities across Japan. The data on patients with M. avium infection and patients with M. intracellulare infection were selected from this survey for comparison of background variables and clinical features of the two pathogens...
January 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29325686/phase-ii-study-of-tailored-s-1-monotherapy-with-a-1-week-interval-after-a-2-week-dosing-period-in-elderly-patients-with-advanced-non-small-cell-lung-cancer
#2
Hisatsugu Goto, Yoshio Okano, Hisanori Machida, Nobuo Hatakeyama, Fumitaka Ogushi, Takashi Haku, Takanori Kanematsu, Tomoyuki Urata, Soji Kakiuchi, Masaki Hanibuchi, Saburo Sone, Yasuhiko Nishioka
BACKGROUND: S-1 is an oral fluoropyrimidine that is active in the treatment of non-small cell lung cancer (NSCLC); however, an optimal treatment schedule and appropriate dose adjustments of S-1 in elderly patients have not yet been established. METHODS: We conducted a phase II trial to evaluate the efficacy and safety of a 2-week S-1 monotherapy treatment followed by a 1-week interval as a first-line treatment of elderly NSCLC patients, by adjusting the dose based on the individual creatinine clearance (Ccr) and body surface area (BSA)...
January 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29325685/reduced-incidence-of-lung-cancer-in-patients-with-idiopathic-pulmonary-fibrosis-treated-with-pirfenidone
#3
Yukiko Miura, Takefumi Saito, Toru Tanaka, Hiroyuki Takoi, Yohei Yatagai, Minoru Inomata, Takahito Nei, Yoshinobu Saito, Akihiko Gemma, Arata Azuma
BACKGROUND: Idiopathic pulmonary fibrosis (IPF) is a disease with a worse prognosis than some types of cancer. In patients with IPF, lung cancer is critical because of the associated high mortality rate from its progression and fatal complications from anticancer treatments. Therefore, preventing lung cancer in patients with IPF is primordial. Pirfenidone is an anti-fibrotic agent that reduces the decline in forced vital capacity. This study aimed to assess the effect of pirfenidone in the development of lung cancer in patients with IPF...
January 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29325684/respiratory-comorbidities-and-risk-of-mortality-in-hospitalized-patients-with-idiopathic-pulmonary-fibrosis
#4
Keishi Oda, Kazuhiro Yatera, Yoshihisa Fujino, Takashi Kido, Tetsuya Hanaka, Konomi Sennari, Kiyohide Fushimi, Shinya Matsuda, Hiroshi Mukae
BACKGROUND: Respiratory comorbidities are frequently associated with idiopathic pulmonary fibrosis (IPF). However, little is known about their prognostic impact in hospitalized patients with IPF. We examined the impact of respiratory comorbidities on the mortality rates of hospitalized patients with IPF using a Japanese nationwide database. METHODS: We identified 5665 hospitalized patients diagnosed with IPF between April 2010 and March 2013. The primary outcome was defined as the in-hospital mortality at 30 days after admission...
January 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29325683/physical-activity-in-daily-life-in-patients-with-idiopathic-pulmonary-fibrosis
#5
Osamu Nishiyama, Ryo Yamazaki, Hiroyuki Sano, Takashi Iwanaga, Yuji Higashimoto, Hiroaki Kume, Yuji Tohda
BACKGROUND: Idiopathic pulmonary fibrosis (IPF) is characterized by progressive impairment of lung function and degradation of daily activity; however, this degradation has not been adequately elucidated. The objective of this study was to measure the physical activity of patients with IPF to determine its relationships with physiological parameters and survival rate. METHODS: In total, 31 patients with IPF and 20 age-matched healthy participants were enrolled in this study...
January 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29325682/computer-based-quantitative-computed-tomography-image-analysis-in-idiopathic-pulmonary-fibrosis-a-mini-review
#6
REVIEW
Hirotsugu Ohkubo, Hiroaki Nakagawa, Akio Niimi
Idiopathic pulmonary fibrosis (IPF) is the most common type of progressive idiopathic interstitial pneumonia in adults. Many computer-based image analysis methods of chest computed tomography (CT) used in patients with IPF include the mean CT value of the whole lungs, density histogram analysis, density mask technique, and texture classification methods. Most of these methods offer good assessment of pulmonary functions, disease progression, and mortality. Each method has merits that can be used in clinical practice...
January 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29325681/is-hypothyroidism-in-idiopathic-pleuroparenchymal-fibroelastosis-a-novel-lung-thyroid-syndrome
#7
Nobuyasu Awano, Takehiro Izumo, Kensuke Fukuda, Mari Tone, Daisuke Yamada, Tamiko Takemura, Soichiro Ikushima, Toshio Kumasaka
BACKGROUND: Idiopathic pleuroparenchymal fibroelastosis (IPPFE) is a rare type of interstitial pneumonia characterized by fibroelastosis. Patients with IPPFE as well as idiopathic interstitial pneumonia often have autoimmune diseases, which sometimes coincide with hypothyroidism (HypoT). However, there have been no reports on the association between IPPFE and HypoT. The purpose of this study was to evaluate the correlation between IPPFE and HypoT. We also examined the pathological features of the thyroid glands from autopsied cases...
January 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29325680/clinico-radio-pathological-characteristics-of-unclassifiable-idiopathic-interstitial-pneumonias
#8
Yasuhiko Nakamura, Keishi Sugino, Masashi Kitani, Akira Hebisawa, Naobumi Tochigi, Sakae Homma
BACKGROUND: The purpose of this study was to clarify the clinico-radio-pathological characteristics and prognostic factors of unclassifiable-idiopathic interstitial pneumonias (U-IIPs) diagnosed by surgical lung biopsy. METHODS: Among 86 patients with interstitial pneumonia who underwent surgical lung biopsy from January 2005 to September 2013, 33 (38.4%; 16 male patients; mean age, 64.4 ± 8.8 years) were diagnosed with U-IIPs. They were subsequently categorized into rapidly progressive (n = 7), slowly progressive (n = 7), and stable (n = 19) groups based on the decrease of the percent predicted forced vital capacity or percent predicted diffusing capacity of the lung carbon monoxide and the occurrence of acute exacerbation...
January 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29325679/prevalence-of-diabetes-mellitus-in-individuals-with-airflow-obstruction-in-a-japanese-general-population-the-yamagata-takahata-study
#9
Hiroyoshi Machida, Yoko Shibata, Sumito Inoue, Akira Igarashi, Yoshikane Tokairin, Keiko Yamauchi, Tomomi Kimura, Kento Sato, Hiroshi Nakano, Michiko Nishiwaki, Maki Kobayashi, Sujeong Yang, Yukihiro Minegishi, Kodai Furuyama, Tomoka Yamamoto, Tetsu Watanabe, Tsuneo Konta, Yoshiyuki Ueno, Takeo Kato, Takamasa Kayama, Isao Kubota
BACKGROUND: Diabetes has been reported as a comorbidity of chronic obstructive pulmonary disease (COPD) in Western countries, but it has not been demonstrated in epidemiological reports in Japan. The purpose of this study was to clarify whether the relationship between airflow obstruction and diabetes can be confirmed in a Japanese general population. METHODS: From 2004 to 2006, blood sampling and pulmonary function tests were performed on 3045 people over the age of 40 years in annual health check-ups held in Takahata, Yamagata Prefecture, Japan...
January 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29325678/is-idiopathic-ppfe-an-established-subset-of-idiopathic-interstitial-pneumonias
#10
EDITORIAL
Kentaro Watanabe
No abstract text is available yet for this article.
January 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29325677/chronic-obstructive-pulmonary-disease-among-lung-cancer-free-smokers-the-importance-of-healthy-controls
#11
Michelle D Karpman, Ronald Eldridge, Jack L Follis, Carol J Etzel, Sanjay Shete, Randa A El-Zein
BACKGROUND: The prevalence of chronic obstructive pulmonary disease (COPD) in smokers enrolled as "healthy" controls in studies is 10-50%. The COPD status of ideal smoker populations for lung cancer case-control studies should be checked via spirometry; however, this is often not feasible, because no medical indications exist for asymptomatic smokers to undergo spirometry prior to study enrollment. Therefore, there is an unmet need for robust, cost effective assays for identifying undiagnosed lung disease among asymptomatic smokers...
January 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29325676/respiratory-function-in-healthy-ever-smokers-is-impaired-by-smoking-habits-in-a-dose-dependent-manner
#12
Shinobu Osanai, Toshiyuki Ogasa, Kazuhiro Sumitomo, Naoyuki Hasebe
BACKGROUND: There is limited information about the respiratory function of ever-smokers without lung disorders. We sought to assess the effects of smoking habits on respiratory function in subjects without lung disorders. METHODS: Subjects were recruited from among patients without any evidence of respiratory disorders who visited rural primary care clinics. Each participant was asked to answer a questionnaire that included questions smoking history. Their forced vital capacity (FVC) and forced expiratory volume in one second (FEV1) were measured...
January 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29325675/mycophenolate-mofetil-as-a-therapeutic-agent-for-interstitial-lung-diseases-in-systemic-sclerosis
#13
REVIEW
Takahiro Ueda, Takuro Sakagami, Toshiaki Kikuchi, Toshinori Takada
Systemic sclerosis (SSc) is an intractable disease that causes fibrosis in all organs. Approximately 40% of patients with SSc have some degree of interstitial lung disease (ILD). One third of patients with SSc and ILD, approximately 15% of all patients, have pulmonary lesions, which slowly progress to respiratory failure resistant to corticosteroid and other treatments. A randomized controlled trial conducted in the United States indicated that one year of treatment with oral cyclophosphamide in patients with SSc-ILD had a significant but modest beneficial effect on lung function, dyspnea, thickening of the skin, and health-related quality of life...
January 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29325674/unclassifiable-idiopathic-interstitial-pneumonias-a-never-ending-story
#14
EDITORIAL
Hiromi Tomioka
No abstract text is available yet for this article.
January 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29153420/the-additive-effect-of-clarithromycin-on-influenza-a-infection-in-the-elderly-patients-and-patients-with-comorbid-diseases
#15
Kazuhiro Yatera, Kenji Umeki, Kei Yamasaki, Shingo Noguchi, Chinatsu Nishida, Hiroshi Ishimoto, Noriho Sakamoto, Hiroshi Ishii, Jun-Ichi Kadota, Hiroshi Mukae
No abstract text is available yet for this article.
November 2017: Respiratory Investigation
https://www.readbyqxmd.com/read/29153419/health-checkup-system-and-pulmonary-nontuberculous-mycobacterial-disease
#16
Toshihiko Fukuoka, Kozo Morimoto, Tomoyuki Ogata, Kazuhiro Uchimura
No abstract text is available yet for this article.
November 2017: Respiratory Investigation
https://www.readbyqxmd.com/read/29153418/long-term-complete-response-to-carboplatin-plus-paclitaxel-combined-with-bevacizumab-in-a-patient-with-metastatic-spindle-cell-carcinoma
#17
Shinya Sakata, Sho Saeki, Ryo Sato, Shiho Ishizuka, Jiichiro Sasaki, Kazuhiko Fujii
We report the case of a 62-year-old Japanese male with metastatic spindle cell carcinoma (SpCC) who showed a long-term complete response (CR) to bevacizumab combination chemotherapy. We performed chemotherapy with carboplatin (AUC 6, day 1) plus paclitaxel (200mg/m(2), day 1) plus bevacizumab (15mg/kg, day 1) for four cycles. After the chemotherapy, CT imaging demonstrated a CR. We subsequently administered bevacizumab (15mg/kg) repeated every 3 weeks as maintenance therapy for 12 cycles. The patient discontinued maintenance chemotherapy because of grade 3 proteinuria, but the anti-tumor effect of CR was maintained at 35 months after the discontinuation of chemotherapy...
November 2017: Respiratory Investigation
https://www.readbyqxmd.com/read/29153417/the-efficacy-of-transbronchial-needle-aspiration-with-endobronchial-ultrasonography-using-a-guide-sheath-for-peripheral-pulmonary-lesions-suspected-to-be-lung-cancer
#18
Ken Arimura, Yasuo Sekine, Kenzo Hiroshima, Akitoshi Sato, Mizue Hasegawa, Hideki Katsura, Etsuko Tagaya, Mitsuko Kondo, Jun Tamaoki
BACKGROUND: The efficacy of transbronchial needle aspiration (TBNA) with endobronchial ultrasonography using a guide sheath (EBUS-GS) for cases of peripheral pulmonary lesions (PPLs) has not been well established. The purpose of this study was to evaluate the efficacy of TBNA with EBUS-GS for PPLs. METHODS: We evaluated 130 patients suspected to have lung cancer who underwent transbronchial brushing (brushing), transbronchial biopsy (TBB), and TBNA with EBUS-GS...
November 2017: Respiratory Investigation
https://www.readbyqxmd.com/read/29153416/frequency-of-detection-of-chlamydophila-pneumoniae-using-bronchoalveolar-lavage-fluid-in-patients-with-community-onset-pneumonia
#19
Shingo Noguchi, Kazuhiro Yatera, Toshinori Kawanami, Kazumasa Fukuda, Kei Yamasaki, Keisuke Naito, Kentaro Akata, Hiroshi Ishimoto, Hiroshi Mukae
BACKGROUND: Chlamydophila pneumoniae is a causative pathogen of lower respiratory tract infection, which generally infects healthy, young people. However, it is often difficult to evaluate acute C. pneumoniae infection using upper respiratory tract specimens and/or sputum samples due to its persistent infection or colonization. The interpretation of frequency of detection of C. pneumoniae seems to be insufficient in community-onset pneumonia. The aim of this study was to evaluate the presence of C...
November 2017: Respiratory Investigation
https://www.readbyqxmd.com/read/29153415/comparison-of-the-rapid-effects-of-single-inhalations-of-formoterol-and-tiotropium-bromide-on-respiratory-function-and-copd-symptoms-in-a-randomized-crossover-study
#20
Hiroyuki Ohbayashi
BACKGROUND: This study aimed to compare rapid improvements in respiratory function and symptoms following single inhalation of formoterol (FOM) dry power inhaler (DPI) or tiotropium bromide (TIO) DPI in patients with chronic obstructive pulmonary disease (COPD). METHODS: Fifty-two outpatients with COPD (GOLD stage 2 or 3) received either a single inhalation of FOM DPI (9 μg via a Turbuhaler®) or TIO DPI (18μg via a HandiHaler®) in a randomized crossover manner...
November 2017: Respiratory Investigation
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