Publications by authors named "Shin Tanaka"

Objective: Currently, the two methods used to preserve lungs from uncontrolled donation after circulatory death-topical cooling and inflation-result in the suboptimal utilization of lungs. This study aimed to introduce an approach that combines cooling and inflation to investigate whether it improves lung conditions in a swine model, even if the lungs had been damaged with long-term warm ischemia, such as in out-of-hospital cardiac arrest.

Methods: Donor lungs subjected to 1.

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Bronchoscopic lung volume reduction( BLVR) and lung volume reduction surgery( LVRS) represent two complementary strategies in the management of advanced emphysema. BLVR has emerged as a minimally invasive and reversible approach, demonstrating significant clinical benefit in carefully selected patients without collateral ventilation, supported by advances in physiological assessment and imaging technologies. LVRS, by contrast, remains a well-validated surgical option offering sustained improvements in pulmonary mechanics, exercise tolerance, and quality of life, particularly in patients with heterogeneous upper-lobe predominant disease.

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Purpose: To investigate the relationship between vessel density and retinal sensitivity in patients with branch retinal artery occlusion (BRAO).

Methods: This was a retrospective study of fourteen eyes of 13 BRAO patients. MP-3 microperimeter measurement and OCTA exams were performed at the same time.

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Background: Postoperative osimertinib for EGFR mutant non-small cell lung cancer has become the standard of care. However, its adverse events in clinical practice remain unclear. We report a case of interstitial lung disease and pulmonary embolism occurring simultaneously as adverse events during adjuvant osimertinib treatment.

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In Japan, due to the shortage of deceased organ donors, the use of two-stage lung transplantation (LTx), specifically sequential single-lung transplants (SSLTs), has been increasing. This approach starts immunosuppressive therapy after the first transplantation, which increases the risk of malignancies. Here, we present a case of fatal perioperative hemorrhagic pancreatitis caused by pancreatic head cancer following SSLTs.

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A 60-year-old male with COPD underwent right single lung transplantation. Despite progressive hyperinflation of the native left lung, the transplanted lung maintained function, as downward expansion of the left lung displaced the diaphragm without compressing the mediastinum. This suggests diaphragm mobility, aided by the absence of the liver beneath the left diaphragm, contributes to favorable outcomes in right single lung transplantation by preventing mechanical compression of the transplanted lung.

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Objectives: This report highlights a clinical case of recurrent diffuse panbronchiolitis (DPB) after bilateral lung transplantation (LTx), with a focus on the therapeutic impact of off-label inhaled tobramycin solution for inhalation (TSI) in managing Pseudomonas aeruginosa colonization.

Methods: A Japanese woman with a history of DPB experienced disease recurrence following bilateral LTx. Persistent colonization by P.

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Purpose: Although rare, primary chest wall sarcomas are complex malignancies necessitating optimal local control and comprehensive treatment. This study aimed to review 9 years of cases of primary chest wall sarcomas at a single institution, focusing on their histology, surgical management, and prognosis.

Methods: A retrospective analysis was performed on 19 patients undergoing chest wall resection for sarcoma from 2012 to 2020.

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Desquamative interstitial pneumonia (DIP), a rare type of idiopathic interstitial pneumonia (IIP), is smoking-related. However, some cases of DIP can also occur in non-smokers with autoimmune disorders. The diagnosis of DIP requires an invasive surgical lung biopsy, therefore, identifying a non-invasive diagnostic biomarker for DIP is crucial.

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Chronic kidney disease (CKD) is a common late complication associated with increased mortality after lung transplantation. Given the increased risk of infection in dialysis patients, late living-donor kidney transplantation (LDKT) provides excellent long-term survival in patients on dialysis after lung transplantation. However, recipients of living-donor lobar lung transplantation (LDLLT) might have scarce opportunity to receive LDKT due to the limited availability of living donors (LDs) for the second transplantation.

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To compare the 1-year visual outcomes of patients treated with intravitreal anti-vascular endothelial growth factor (VEGF) monotherapy or vitrectomy for large submacular hemorrhages (SMHs) due to neovascular age-related macular degeneration (nAMD). We retrospectively studied 31 eyes with severe SMHs exceeding 3 disc areas (DAs) secondary to nAMD treated with anti-VEGF agents or a vitrectomy. Patients undergoing anti-VEGF monotherapy received three monthly loading doses of intravitreal injections of aflibercept or brolucizumab followed by as-needed injections or proactive treatment (anti-VEGF group); those undergoing vitrectomies underwent a 25-gauge vitrectomy and a submacular injection of tissue plasminogen activator (25 μg) and 0.

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Objective: To overcome limitations of traditional ex vivo lung perfusion (EVLP) for controlled donation after circulatory death (cDCD) lungs, this study aimed to evaluate a novel pulmonary abdominal normothermic regional perfusion (PANRP) technique, which we uniquely designed, for in situ assessment of lungs from cDCD donors.

Methods: We modified the abdominal normothermic regional perfusion circuit for simultaneous lung and abdominal organ assessment using independent extracorporeal membrane oxygenation components. Blood was oxygenated via a membrane oxygenator and returned to the body, with pulmonary flow adjusted to maintain pressure < 25 mmHg.

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Purpose: To quantitatively evaluate hand tremors during retinal vascular cannulation surgery with a microneedle and investigate if a customized passive surgical robot suppresses hand tremors.

Methods: A surgical simulation eye was modified, and an analysis system was used that synchronized the surgical video and accelerometer attached to the tail of the microneedle syringe. A cannulation target mimicking the optic disc and retinal vessels was designed in the bottom of the artificial eye.

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Purpose: To construct a quantitative evaluation system for hand tremor during internal limiting membrane (ILM) peeling and investigate changes in hand tremor attributable to the use of the customized passive surgical support robot.

Methods: This analytical and experimental study developed a hand tremor evaluation system that synchronizes three elements: surgical microscope images, an artificial eye module with a force sensor to simulate ILM peeling, and microforceps with an inertial measurement unit. Two surgeons used this system to measure hand tremor during ILM peeling with and without the robot.

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Purpose: The retinal pigment epithelium (RPE) is crucial for photoreceptor function, and its dysfunction is associated with several retinal degenerative diseases. This study examines how different sugars in preservation media affect the viability of RPE cells, highlighting the need for effective storage solutions for cell transplantation.

Methods: Human RPE cells were cultured and suspended in modified media with various sugars.

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Background: In pediatric living-donor lobar lung transplantation, whether transplanting adult lobes could result in satisfactory long-term survival and respiratory functional outcomes during and after the growth period in pediatric patients remains unclear. This study aimed to evaluate the long-term survival and functional prognosis after pediatric living-donor lobar lung transplantation and deceased-donor lung transplantation.

Methods: We retrospectively reviewed clinical data of pediatric patients (age: ≤17 years) who underwent lung transplantation between March 2001 and December 2022 at 3 institutions in Japan.

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Background: Management of tacrolimus trough levels (TTLs) influences morbidity and mortality after lung transplantation. Several studies have explored pharmacokinetic and artificial intelligence models to monitor tacrolimus levels. However, many models depend on a wide range of variables, some of which, like genetic polymorphisms, are not commonly tested for in regular clinical practice.

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Purpose: To investigate the association between the thickness of the retinal pigment epithelium (RPE)-Bruch's membrane (BM) complex and the development of retinal autograft edema as a postoperative complication following autologous retinal transplantation (ART).

Methods: This retrospective study examined data from 28 eyes of 28 patients (14 males, 14 females; mean age, 61.5 ± 19.

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Article Synopsis
  • Ischemia-reperfusion injury (IRI) can cause problems for lung transplants, especially when the lungs come from donors who have died from heart issues.
  • The research focused on a gene called NR4A1 to see how it affects IRI and lung function during transplants.
  • Results showed that lungs from donors with higher NR4A1 levels had better function and less cell damage after transplants, suggesting targeting NR4A1 could help improve transplant success.
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A 55-year-old man presented to our hospital with idiopathic pulmonary fibrosis (IPF). He was registered with the Japan Organ Transplant Network the following year due to disease progression. Treatment with clarithromycin, ethambutol, and rifampicin for complications of Mycobacterium avium pulmonary disease was initiated, but sputum conversion could not be achieved.

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Purpose: To evaluate retinal circulation in eyes with central retinal artery occlusion.

Methods: The best-corrected visual acuity (BCVA), fluorescein angiography, and laser speckle flowgraphy values were measured at the first visit in 42 patients with central retinal artery occlusion (42 eyes; mean age, 66.0 ± 14.

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Purpose: Bronchopleural fistula (BPF) is a serious complication of lung resection. To avoid BPF, the bronchial stump/anastomotic site is often covered with a flap of surrounding tissue. One risk factor for BPF is radical lung resection after induction chemoradiotherapy for lung cancer.

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