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Respiratory Investigation

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https://www.readbyqxmd.com/read/30030108/significance-of-molecular-biomarkers-in-idiopathic-pulmonary-fibrosis-a-mini-review
#1
REVIEW
Hirofumi Chiba, Mitsuo Otsuka, Hiroki Takahashi
Idiopathic pulmonary fibrosis (IPF) is a chronic, irreversible condition with poor prognosis that is characterized by a variable clinical course in each patient, which renders it a complex disease with unknown causes. Despite the proven efficacy of novel antifibrotic therapies, including pirfenidone and nintedanib, the diagnosis and follow-up of IPF remain challenging. Hence, the identification of molecular biomarkers for early detection of IPF and to predict biologically determined individual clinical courses, has recently piqued the interest of researchers...
July 17, 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29980444/japanese-guideline-for-the-treatment-of-idiopathic-pulmonary-fibrosis
#2
REVIEW
Sakae Homma, Masashi Bando, Arata Azuma, Susumu Sakamoto, Keishi Sugino, Yoshiki Ishii, Shinyu Izumi, Naohiko Inase, Yoshikazu Inoue, Masahito Ebina, Takashi Ogura, Kazuma Kishi, Tomoo Kishaba, Takashi Kido, Akihiko Gemma, Yoshihito Goto, Shinichi Sasaki, Takeshi Johkoh, Takafumi Suda, Kazuhisa Takahashi, Hiroki Takahashi, Yoshio Taguchi, Hiroshi Date, Hiroyuki Taniguchi, Takeo Nakayama, Yasuhiko Nishioka, Yoshinori Hasegawa, Noboru Hattori, Junya Fukuoka, Atsushi Miyamoto, Hiroshi Mukae, Akihito Yokoyama, Ichiro Yoshino, Kentaro Watanabe
Idiopathic pulmonary fibrosis (IPF) is a disease of unknown etiology which accounts for a large proportion of cases of idiopathic interstitial pneumonia. It has a very poor prognosis with a 5-year survival rate of 30% or below, and so far there has been no guideline in Japan offering an established effective therapy based on evidence. In addition to the establishment of basic therapies, there is also an urgent need to establish therapies to deal with complications, as death occurs in many cases due to acute exacerbation or comorbid lung cancer...
July 3, 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29980443/current-surgical-treatment-of-malignant-pleural-mesothelioma
#3
EDITORIAL
Koji Chihara
No abstract text is available yet for this article.
July 3, 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29909073/changes-in-the-breath-sound-spectrum-with-bronchodilation-in-children-with-asthma
#4
Mariko Nukaga, Hideyuki Tabata, Mayumi Enseki, Kota Hirai, Hiroyuki Furuya, Masahiko Kato, Hiroyuki Mochizuki
BACKGROUND: Breath sound parameters have been suggested to be new biomarkers of airway function in patients with asthma. METHODS: We investigated the effect of bronchodilation on breath sound parameters in sixty-four children (mean age, 8.9 years; range, 6-16 years) using a breath sound analyzer. The breath sound parameters included frequency limiting 50% and 99% of the power spectrum (F50 and F99 ), roll-off from 600-1200 Hz (slope), and spectrum curve indices such as the ratios of the third and fourth power area to the total area of the power spectrum (P3 /PT and P4 /PT ), total area under the curve (A3 /AT and B4 /AT ), and the ratio of power and frequency at 50% and 75% of the highest frequency of the power spectrum (RPF75 and RPF50 )...
June 13, 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29903606/ok-432-pleurodesis-for-the-treatment-of-pneumothorax-in-patients-with-interstitial-pneumonia
#5
Kazumasa Ogawa, Yui Takahashi, Kyoko Murase, Shigeo Hanada, Hironori Uruga, Hisashi Takaya, Atsushi Miyamoto, Nasa Morokawa, Atsuko Kurosaki, Kazuma Kishi
BACKGROUND: Pneumothorax occasionally develops in patients with interstitial pneumonia (IP) and is often intractable. As there exists no well-established treatment for pneumothorax with IP, we evaluated the efficacy and safety of pleurodesis with OK-432, a lyophilized preparation of Streptococcus pyogenes Su strain that has been inactivated by benzylpenicillin. METHODS: We retrospectively evaluated the efficacy and safety of pleurodesis using OK-432 in 39 patients treated for IP-related pneumothorax between January 2006 and May 2017...
June 11, 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29764749/prognosis-of-chronic-pulmonary-aspergillosis-in-patients-with-pulmonary-non-tuberculous-mycobacterial-disease
#6
Maiko Naito, Yu Kurahara, Shiomi Yoshida, Naoya Ikegami, Takehiko Kobayashi, Shojiro Minomo, Kazunobu Tachibana, Kazunari Tsuyuguchi, Seiji Hayashi, Katsuhiro Suzuki
BACKGROUND: Pulmonary non-tuberculous mycobacterial disease (PNTM) is a known risk factor for chronic pulmonary aspergillosis (CPA). However, few studies have focused on the prognosis of PNTM-associated CPA. In the present investigation, we aimed to elucidate the clinical course and prognostic factors of CPA in patients with PNTM. METHODS: We retrospectively investigated the medical records of 62 patients with CPA and a history of PNTM who were admitted to Kinki-chuo Chest Medical Center between 2010 and 2015...
May 11, 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29764752/successful-treatment-by-pembrolizumab-in-a-patient-with-end-stage-renal-disease-with-advanced-non-small-cell-lung-cancer-and-high-pd-l1-expression
#7
Shiho Ishizuka, Shinya Sakata, Chieko Yoshida, Akira Takaki, Sho Saeki, Kazuyoshi Nakamura, Kazuhiko Fujii
We report a 66-year-old Japanese male with end-stage renal disease (ESRD) and advanced non-small cell lung cancer (NSCLC) who was on hemodialysis. The patient harbored high programmed death ligand 1 (PD-L1) expression and was successfully treated with pembrolizumab. Laboratory examination upon diagnosis showed elevated serum creatinine (6.58 mg/dL). We administered pembrolizumab (200 mg/body) and repeated every 3 weeks. His renal dysfunction gradually progressed, hemodialysis was initiated after eight courses of pembrolizumab, and the antitumor effect was maintained at five months after hemodialysis initiation...
May 10, 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29764751/needle-wash-solution-cultures-following-ebus-tbna-with-or-without-endobronchial-intubation
#8
Daisuke Minami, Nagio Takigawa, Masahide Oki, Hideo Saka, Takuo Shibayama, Katsuyuki Kiura
BACKGROUND: Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) is a minimally invasive procedure with a high diagnostic yield in lesions adjacent to the airways. However, complications associated with EBUS-TBNA, such as mediastinitis, have recently been reported. Oral bacteria contamination in punctured lymph nodes can cause severe infections. In the current study, we investigated whether endobronchial intubation using EBUS-TBNA can prevent oral bacterial contamination of punctured lymph nodes...
May 10, 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29764750/patient-oriented-optimal-depth-of-conscious-sedation-using-midazolam-during-flexible-bronchoscopy-a-prospective-open-labeled-single-arm-trial
#9
Yuichiro Takeda, Hibiki Udagawa, Shinji Nakamichi, Yasuto Yoneshima, Motoyasu Iikura, Satoshi Hirano, Go Naka, Haruhito Sugiyama
BACKGROUND: The British Thoracic Society guidelines for diagnostic flexible bronchoscopy (FB) in adults recommend that intravenous sedation should be offered to patients undergoing bronchoscopy. However, it is difficult to determine the adequate depth of sedation for each patient because of inter-individual variability. METHODS: This prospective, open-label, single-arm study was conducted in patients undergoing routine bronchus examination with FB. All patients underwent FB under local anesthesia and conscious sedation, with initial administration of 0...
May 6, 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29764753/incidental-diagnosis-of-pulmonary-embolism-during-routine-convex-endobronchial-ultrasound
#10
LETTER
Mohamed Torky, Felipe Andreo, Pere Serra
No abstract text is available yet for this article.
May 4, 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/30008296/a-successful-pembrolizumab-treatment-case-of-lung-adenocarcinoma-after-becoming-resistant-to-alk-tki-treatment-due-to-g1202r-mutation
#11
Masahiro Shimada, Atsuhisa Tamura, Kyoko Yokosuka, Kei Kusaka, Hirotoshi Matsui, Hideaki Nagai, Ken Ohta
BACKGROUND: In current guidelines, the role of immune checkpoint inhibitors is not yet determined in the treatment strategy for NSCLC harboring ALK translocations. CASE: A 51-year-old woman with lung adenocarcinoma harboring ALK translocation was treated with alectinib until PD. After the second (CDDP/PEM) and third (crizotinib) line treatment, a second biopsy was performed, revealing PD-L1 tumor proportion score of 70-80% and G1202R mutation of ALK. Pembrolizumab was selected for the fourth line, leading to PR for more than 6 months...
July 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/30008295/balloon-pulmonary-angioplasty-for-chronic-thromboembolic-pulmonary-hypertension-a-systematic-review
#12
Nobuhiro Tanabe, Takashi Kawakami, Toru Satoh, Hiromi Matsubara, Norifumi Nakanishi, Hitoshi Ogino, Yuichi Tamura, Ichizo Tsujino, Aiko Ogawa, Seiichiro Sakao, Mari Nishizaki, Keiichi Ishida, Yasunori Ichimura, Masahiro Yoshida, Koichiro Tatsumi
BACKGROUND: Balloon pulmonary angioplasty (BPA) has been performed for inoperable chronic thromboembolic pulmonary hypertension (CTEPH) or residual pulmonary hypertension after pulmonary endarterectomy (PEA). We performed a systematic review to assess the efficacy and safety of BPA, especially compared to medical treatment or PEA. METHODS: We reviewed all studies investigating pre- and post-treatment pulmonary hemodynamics, mortality, or complications from three electronic databases (PubMed, Cochrane Library, Japan Medical Abstracts Society) prior to February 2017...
July 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/30008294/diffuse-panbronchiolitis-research-in-medline-1969-2017-report-of-a-bibliometric-analysis
#13
Ram Kumar Mishra, Amit Pagada, Hariprasad Esam
BACKGROUND: Given the well documented and undesired impact of diffuse panbronchiolitis (DPB), there is a need to create a statistical inventory of research output on DPB. The aim of this study was to identify and analyze different trends in publication over time, with technological additions. METHODS: Articles indexed in MEDLINE regarding DPB were retrieved using PubMed. Citation results were categorized by article type, year of publication, language, and country...
July 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29903607/improvement-of-physical-activity-in-chronic-obstructive-pulmonary-disease-by-pulmonary-rehabilitation-and-pharmacological-treatment
#14
REVIEW
Takanobu Shioya, Susumu Sato, Masahiro Iwakura, Hitomi Takahashi, Yoshino Terui, Sachiko Uemura, Masahiro Satake
Physical activity (PA) is defined as bodily movement produced by skeletal muscles with energy expenditure beyond resting levels. PA is closely related to reduced morbidity and mortality in chronic obstructive pulmonary disease (COPD). Self-report questionnaires are often subject to recall bias, correlating poorly with objectively qualified PA, and do not provide an accurate estimate of free-living energy expenditure. PA may be objectively evaluated by newly developed tri-axial accelerometers by quantifying steps or body movements over a period of time...
July 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29880331/clinical-outcomes-of-oxygen-therapy-using-high-flow-nasal-cannula-in-japan
#15
EDITORIAL
Makoto Hasegawa
No abstract text is available yet for this article.
July 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29773298/veno-venous-extracorporeal-membrane-oxygenation-bridged-living-donor-lung-transplantation-for-rapid-progressive-respiratory-failure-with-pleuroparenchymal-fibroelastosis-after-allogeneic-hematopoietic-stem-cell-transplantation
#16
Ayako Shimada, Jiro Terada, Kenji Tsushima, Yoshihisa Tateishi, Ryuzo Abe, Shigeto Oda, Motomu Kobayashi, Masaomi Yamane, Takahiro Oto, Koichiro Tatsumi
Cases of extracorporeal membrane oxygenation (ECMO) bridged lung transplantation (LTx) are rare in Japan because an allocation system to prioritize patients based on urgency remains to be established. For critically ill patients who cannot wait for a brain-dead donor LTx, ECMO bridge to living-donor LTx may be the only practical option. A 21-year-old woman with pleuroparenchymal fibroelastosis after hematopoietic stem cell transplantation was admitted to our hospital with rapidly progressive respiratory failure...
May 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29773297/the-clinical-practice-of-high-flow-nasal-cannula-oxygen-therapy-in-adults-a-japanese-cross-sectional-multicenter-survey
#17
Jiro Ito, Kazuma Nagata, Susumu Sato, Akira Shiraki, Naoki Nishimura, Shinyu Izumi, Ryo Tachikawa, Takeshi Morimoto, Keisuke Tomii
BACKGROUND: High-flow nasal cannula oxygen therapy (HFNC) is widely used mainly in the acute care setting, but limited data are available on real-world practice in adults. The objective of this study was to describe HFNC practices in Japanese adults. METHODS: A retrospective cross-sectional multicenter survey of adult patients receiving HFNC from January through March 2015 was conducted in 33 participating hospitals in Japan. RESULTS: We obtained information on 321 patients (median age, 76; 218 men, 103 women; median estimated PaO2 /FI O2, 178 mm Hg) from 22 hospitals...
May 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29773296/nontuberculous-mycobacterial-and-aspergillus-infections-among-cadaveric-lung-transplant-recipients-in-japan
#18
Kazunobu Tachibana, Yoshinori Okada, Yasushi Matsuda, Kentaroh Miyoshi, Takahiro Oto, Toyofumi F Chen-Yoshikawa, Hiroshi Date, Masato Minami, Meinoshin Okumura, Akinori Iwasaki, Takeshi Shiraishi, Sumiko Maeda, Yuji Matsumura, Takahiro Nakajima, Ichiro Yoshino, Seiji Hayashi
BACKGROUND: Lung transplantation is an effective treatment modality for respiratory failure. Chronic lung infections, including infections caused by nontuberculous mycobacteria (NTM) and Aspergillus, are difficult to control, and uncontrolled infections are relative contraindications for lung transplantation. However, few reports have documented the incidence and outcome of these infections in lung transplant recipients. METHODS: To quantify the incidence and outcomes of colonization and disease caused by NTM and aspergillosis in recipients before and after lung transplantation, we reviewed the medical records and microbiology data from 240 consecutive cadaveric lung transplant recipients between 2000 and 2014...
May 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29773295/the-diagnostic-yield-using-ultrasound-guided-needle-aspiration-for-subpleural-primary-lung-cancer-is-not-affected-by-the-radiological-properties-of-the-lesions-resulting-from-computed-tomography
#19
Naoko Iwakami, Shin-Ichiro Iwakami, Munechika Hara, Mitsuaki Sekiya, Takashi Dambara, Kazuhisa Takahashi
BACKGROUND: It is well known that ultrasound-guided needle-aspiration (USGNA) for intrapulmonary subpleural lesion in contact with the pleura is useful and safe, and its diagnostic yield is high. However, reports concerned with the analyses of cases with intrapulmonary subpleural lesion which could not be diagnosed using USGNA are limited. The objective of this study is to clarify the radiological properties of subpleural primary lung cancer which obstruct diagnosis by USGNA. METHODS: The consecutive cases with subpleural primary lung cancer whose radiological properties could be confirmed by thoracic computed tomography (CT) without contrast enhancement (CE), and examined by USGNA at our hospital between January 1999 and December 2014 have been analyzed...
May 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29773294/gastroesophageal-reflux-symptoms-and-nasal-symptoms-affect-the-severity-of-bronchitis-symptoms-in-patients-with-chronic-obstructive-pulmonary-disease
#20
Koichi Hasegawa, Susumu Sato, Kazuya Tanimura, Yoshinori Fuseya, Kiyoshi Uemasu, Yoko Hamakawa, Atsuyasu Sato, Michiaki Mishima, Shigeo Muro, Toyohiro Hirai
BACKGROUND: Cough and sputum production (symptoms of bronchitis) are common in chronic obstructive pulmonary disease (COPD). Extrapulmonary comorbidities, such as gastroesophageal reflux disease (GERD) and post-nasal drip, also cause bronchitis symptoms. The impact of extrapulmonary comorbidities on the severity of bronchitis symptoms in COPD is unknown. The aim of this study was to quantify bronchitis symptoms and assess the impact of GERD and nasal symptoms on the severity of bronchitis symptoms in COPD...
May 2018: Respiratory Investigation
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