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Article
The consecutive impact of COVID-19 on thoracic surgical procedures in Japan: an analysis of data from the National Clinical Database
The current study was designed to analyze the impact of the COVID-19 pandemic on general thoracic surgeries in Japan.
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Article
Three-dimensional analysis reveals a high incidence of lung adenocarcinoma in the upper region
The lung is a unique organ with a ventilation-perfusion mismatch, which can cause inhomogeneous incidence rates of lung cancer depending on the location in the lung. We aimed to evaluate the incidence of lung ...
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Article
Wedge extended bronchoplasty with caliber adjustment by membranous suture
Extended bronchoplasty for the left lower lobe lung tumors with interlobar lymph node involvement is a useful surgical technique for avoiding pneumonectomy. Typically, sleeve bronchoplasty, in which the superi...
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Article
Follow-up computed tomography and unexpected hemostasis in non-operative management of pediatric blunt liver and spleen injury
While follow-up CT and prophylactic embolization with angiography are often conducted during non-operative management (NOM) for BLSI, particularly in a high-grade injury, the utility of early repeated CT for p...
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Article
Open AccessDisruption of polar order in lead zirconate titanate by composition-modulated artificial superlattice
Lead zirconate titanate (Pb (Zrx, Ti1−x)O3: PZT) is a well-known ferroelectric compound, in which long-range polar order is usually developed. In the present study, it was clarified by distortion-corrected atomic...
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Article
Open AccessThoracic and cardiovascular surgeries in Japan during 2021
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Article
Practical methods to differentiate thymic malignancies by positron-emission tomography and tumor markers
An accurate diagnosis of thymic malignancies is important, but challenging due to the broad range of differential diagnoses. This study aims to evaluate the efficacy of PET/CT and tumor markers for diagnosing ...
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Article
Sex-specific emphysematous changes evaluated by a three-dimensional computed tomography volumetric analysis among patients with smoking histories who underwent resection for lung cancer
The present study evaluated the sex-specific susceptibility to the development of emphysema in patients with smoking histories who underwent lung cancer surgeries.
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Article
Relationship between changes in pulmonary function and patient-reported outcomes of lung cancer surgery
To investigate the relationship between changes in pulmonary function (PF) and patient-reported outcomes (PROs) of lung cancer surgery.
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Article
Open AccessPulmonary artery sarcoma and severe valvular diseases in late-septuagenarian women: was 2-stage surgery an appropriate strategy? A case report
Pulmonary artery sarcomas (PASs) are rare, and complete tumor resection is often difficult at the time of detection. We encountered a case of PAS that was thought to be resectable; however, the patient had sev...
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Article
Changes in exercise stress echocardiographic parameters before and after transcatheter mitral valve edge-to-edge repair
The safety and feasibility are still not well known for exercise-induced mitral regurgitation (MR). This study is aimed to assess and compare the hemodynamic and symptomatic changes in patients with significan...
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Article
Open AccessThoracic and cardiovascular surgeries in Japan during 2020
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Article
Open AccessSphericity of lymph nodes using 3D-CT predicts metastasis in lung cancer patients
The presence of mediastinal lymph node metastasis is important because it is related to the treatment and prognosis of lung cancer. Although prevalently used, evaluation of lymph nodes is not always reliable. ...
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Article
Open AccessThoracic and cardiovascular surgeries in Japan during 2019
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Article
Perioperative outcomes of minimally invasive surgery for large malignant thymic epithelial tumors and for total thymectomy
Minimally invasive surgery (MIS) for thymic tumors is now accepted widely, in line with improved surgical techniques; however, we occasionally encounter complicated cases of large tumors or of total thymectomy...
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Article
Open AccessSuccessful long-term management for postoperative sternal infection with multiple disseminated lymphadenitis caused by Mycobacterium abscessus
Postoperative sternal infection caused by Mycobacterium abscessus (M. abscessus) is rare, but associated with a high 2-year mortality rate of 40%. Decision-making around treatment strategy is challenging. Here, w...
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Article
A novel approach to the lung apex avoiding dissection of severe pleural adhesions
A 70-year-old man was incidentally diagnosed with left pneumothorax. Primary surgery via the caudal thoracic cavity found severe pleural adhesions causing narrowing of the tunnel leading to the lung apex. The ...
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Article
Open AccessHealthcare costs for hospitalized COVID-19 patients in a Japanese university hospital: a cross-sectional study
A health-economic evaluation related to COVID-19 is urgently needed to allocate healthcare resources efficiently; however, relevant medical cost data in Japan concerning COVID-19 are scarce.
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Article
Open AccessSilicone stent placement using a rigid bronchoscope via a tracheostoma in a patient with postpneumonectomy syndrome
Silicone stents are options for airway stenosis or obstruction. Generally, silicone stent placement needs rigid bronchoscopy, but manipulation of a rigid bronchoscope has technical difficulties in some cases. ...
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Article
Impacts of pleural adhesions on lobectomies for malignant lung tumors
Pleural adhesions are sometimes troublesome in lung lobectomies, and how they affect such surgeries depends on the degree of the adhesion. Herein, pleural adhesions were categorized according to density, tenac...
