Publications by authors named "Tsumura S"

Objectives: The impact of residual pulmonary stenosis (rPS) or right ventricular (RV) outflow tract obstruction on prognosis after surgical pulmonary valve insertion) in repaired tetralogy of Fallot patients with pulmonary regurgitation (PR) remains controversial. rPS assessment is partially dependent on RV contractility. We investigated the impact of rPS according to RV ejection fraction (RVEF).

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Article Synopsis
  • The surgical management of critical aortic stenosis and associated heart conditions in neonates poses a complex challenge regarding the recovery of left ventricular function post-surgery.
  • In a described case, a premature neonate with critical aortic stenosis and severe mitral regurgitation underwent a series of surgeries, including pulmonary artery banding and aortic valvuloplasty, to stabilize heart function.
  • Ultimately, the staged biventricular repair led to a successful outcome, with the patient showing stable health six years after the operations.
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The lexical boost is an increase in structural priming with overlapping elements like verbs. Residual activation priming theories argue that the boost is an automatic side effect of sentence planning. In contrast, explicit memory theories of the boost argue that it is the result of a non-automatic explicit memory retrieval.

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We sought to evaluate the influence of the rudimentary ventricle on long-term outcomes after the Fontan operation, focusing on exercise capacity and cardiac performance. Between 1995 and 2021, 290 patients underwent a total cavopulmonary connection. "Two-ventricle" Fontan circulation was defined as a rudimentary ventricle >30% of the dominant ventricle or >50% of its predicted normal value.

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Background: In elderly patients with malignant central airway obstruction (MCAO), the treating physicians often hesitate to undertake transbronchial interventions (TBIs) as a palliative procedure in view of the advanced age of the patients.

Methods: We conducted this retrospective study to evaluate the differences in the feasibility, tolerability, and effectiveness of TBIs between elderly (aged 75 years old or above; elderly group; n=27) and nonelderly (aged below 75 years old; nonelderly group; n=50) patients with MCAO. The primary endpoint was the incidence of complications during (within 24 hours) and after (>24 hours) TBIs.

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  • Osimertinib is the main treatment for advanced lung cancer with EGFR mutations, but its effectiveness in patients over 75 years is not well-studied.
  • A study analyzed 538 patients, showing no significant difference in progression-free survival between elderly (median 16.9 months) and non-elderly (median 22.1 months) patients, though older patients had shorter treatment durations and higher discontinuation rates due to side effects.
  • Despite these challenges, elderly patients had a median overall survival of 30 months, while non-elderly patients' survival data was still ongoing.
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  • Prenatal diagnosis of coarctation of the aorta (CoA) can enhance neonatal survival but is currently complicated by a high rate of misdiagnoses.
  • A study analyzed fetal echocardiographic data from 30 patients suspected of having CoA to develop a new predictive formula.
  • Key findings showed that the distal aortic arch (DA) index was the most effective measurement for diagnosing CoA, with a strong accuracy in identifying cases needing surgical intervention.
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Background And Aim: This study aimed to investigate whether telephone follow-up by clinical pharmacists for unresectable hepatocellular carcinoma (HCC) patients treated with lenvatinib (LEN) contributes to improved adherence and treatment duration for LEN.

Methods: This retrospective study enrolled 132 patients with HCC who were treated with LEN. The patients were classified into non-telephone follow-up (n = 32) or telephone follow-up groups (n = 100) [the latter group was further classified into family-pharmacist (FP) telephone follow-up (n = 18), or hospital family-pharmacist (HFP) telephone follow-up (n = 82) groups].

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Cytoreductive surgery for patients with advanced ovarian cancer often requires full-thickness resection of the diaphragm [1]. In most cases, the diaphragm can be closed directly; however, when the defect is wide and simple closure is difficult, reconstruction using a synthetic mesh is usually performed [2]. However, the use of this type of mesh is contraindicated in the presence of concomitant intestinal resections because of the risk of bacterial contamination [3].

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To determine the impact of the coverage of risk-reducing salpingo-oophorectomy (RRSO) and mastectomy (RRM) as well as genetic testing for BRCA pathogenic variants by the national insurance system in Japan. We compared the clinical background of women who underwent RRSO at our institution before and after its coverage by the national insurance system. Those who underwent RRSO between January 2017 and December 2019 and between April 2020 and March 2022 were classified as Period.

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This study aimed to evaluate the outcome of coarctation of the aorta (CoA) repair with a special interest in bovine arch anatomy. Fifty-six patients who underwent CoA repair between 2010 and 2021 were included in this retrospective study. Of these, 11 patients had bovine arch anatomy.

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Introduction: Although osimertinib is a standard first-line treatment for patients with advanced-stage non-small cell lung cancer (NSCLC) with epidermal growth factor receptor (EGFR) mutations, the incidence rate of pneumonitis associated with osimertinib is high. However, there are few reports about the safety and efficacy of osimertinib rechallenge after the development of pneumonitis.

Methods: We conducted a retrospective multicentre cohort study of consecutive patients who developed pneumonitis associated with osimertinib as a first-line and received osimertinib rechallenge.

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Background/aim: This study aimed to determine whether the prognosis of small-cell lung cancer (SCLC) patients with malignant central airway obstruction (MCAO) who receive chemotherapy without undergoing transbronchial intervention (TBI) is not inferior to that of SCLC patients without MCAO.

Patients And Methods: We compared overall survival (OS) from the time of SCLC diagnosis between stage III or IV SCLC patients with MCAO (MCAO group, n=22) and those without MCAO (non-MCAO group, n=88). MCAO is generally defined as >50% obstruction of the trachea or mainstem bronchi.

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Radical hysterectomy is a standard surgery to treat early-stage uterine cervical cancer. The Laparoscopic Approach to Cervical Cancer (LACC) trial has shown that patients receiving minimally invasive radical hysterectomy have a poorer prognosis than those receiving open radical hysterectomy; however, the reason for this remains unclear. The LACC trial had 2 concerns: the learning curve and the procedural effects.

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Introduction: Some elderly stage I non-small cell lung cancer (NSCLC) patients may refuse both stereotactic body radiotherapy (SBRT) and surgery and may instead desire best supportive care (BSC) alone, despite having a medically operable condition.

Methods: We retrospectively evaluated the differences in the 3-year overall survival (3-year OS) rates among elderly stage I NSCLC patients aged ≥ 80 years who received surgery (OP group, n = 39), SBRT (RT group, n = 32) or BSC alone (BSC group, n = 28), stratifying the later groups according to those who were medically inoperable (MI subgroup) and those who were considered medically operable but refused surgery (MO subgroup).

Results: During a median 39.

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Background: Osimertinib has demonstrated impressive efficacy as a first-line treatment for patients with advanced epidermal growth factor receptor (EGFR) mutation-positive (m+) lung cancer. Drug-related pneumonitis (DRP) is a potentially lethal complication of osimertinib treatment, but reliable real-world data currently are lacking.

Research Question: What is the prevalence of osimertinib-induced DRP in first-line settings? What are the characteristics, clinical impact, and risk factors of osimertinib-induced DRP?

Study Design And Methods: We conducted a retrospective multicenter cohort study of patients who received osimertinib as a first-line treatment for advanced EGFR m+ non-small cell lung cancer (NSCLC) between August 2018 and December 2019.

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Background/aim: Transbronchial microwave ablation (MWA) can be performed safely in patients with malignant central airway obstruction (MCAO), under moderate sedation and a high fraction of inspired oxygen.

Patients And Methods: We retrospectively evaluated the difference in the overall survival (OS) after transbronchial interventions (TBIs) between MCAO patients with endoluminal or mixed-type obstruction who were treated by MWA (MWA group, n=34) and those with extraluminal obstruction who were treated by stent placement (STP) (STP group, n=27).

Results: The OS was longer in the MWA group than in the STP group (10.

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Background: The bispectral index (BIS) value during general anesthesia with the newly developed anesthetic remimazolam is reported to be relatively high; however, the reason for this and the appropriate indicator for assessing the sedation level during remimazolam anesthesia have not been determined. In this study, the level of sedation during general anesthesia with remimazolam was evaluated using several different indicators.

Methods: Thirty patients who underwent breast surgery under general anesthesia with remimazolam were included.

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The κ opioid receptor (KOR) is one of the promising targets to develop analgesics lacking morphine like side effects. To seek a novel KOR agonist we designed 6-amide derivatives with an oxabicyclo[3.2.

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Background: Osimertinib is the standard of care in the initial treatment for advanced epidermal growth factor receptor (EGFR) mutation-positive lung cancer. However, clinical data and reliable prognostic biomarkers are insufficient.

Methods: We performed a retrospective multicentre cohort study for 538 EGFR mutation-positive patients, who received osimertinib as the initial treatment between August 2018 and December 2019.

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Background: The safety and efficacy of transbronchial microwave ablation (TMA) therapy in patients with malignant central airway obstruction (CAO) with respiratory failure remains unclear.

Methods: A total of 38 patients with advanced non-small cell lung cancer (NSCLC) or lung metastases with malignant endoluminal obstruction received TMA therapy under moderate sedation and high fractions of inspired oxygen (FiO). The success rate of airway patency restoration, complication rate, and overall survival time (OS) from the initiation of TMA therapy were compared in the following two groups of patients with malignant CAO patients: the group with respiratory failure (PaO/FiO ≤ 300) (RF group, n = 10) and the group without respiratory failure (PaO/FiO > 300) (non-RF group, n = 28) at the time of the TMA therapy.

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We present the case of a previously healthy 2-year-old boy with extensive infective mitral valve endocarditis, with 2 huge, mobile vegetations attached to the anterior leaflet of the mitral valve and to the left ventricular outflow tract, and interventricular septal abscesses extending into the left ventricular outflow tract without any septal defects. He underwent mitral valve repair and simultaneous drainage of the interventricular septal abscesses excluding the inlet portion to avoid postoperative complications.

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A propeller-structured 3,5,8-trithienyl-BODIPY-type pyridine-boron trifluoride complex, ST-3-BF, which has three units of 2-(pyridin-4-yl)-3-(thiophen-2-yl)acrylonitrile at the 3-, 5-, and 8-positions on the BODIPY skeleton, was designed and developed as an intramolecular charge transfer (ICT)-type optical sensor for the detection of a trace amount of water in acetonitrile. The characterization of ST-3-BF was successfully determined by FTIR, H and B NMR measurements, high-resolution mass spectrometry (HRMS) analysis, thermogravimetry-differential thermal analysis (TG-DTA), photoabsorption and fluorescence spectral measurements, and density functional theory (DFT) calculations. ST-3-BF showed a broad photoabsorption band in the range of 600 to 800 nm, which is assigned to the S → S transition of the BODIPY skeleton with the expanded π-conjugated system over the 2-(pyridin-4-yl)-3-(thiophen-2-yl)acrylonitrile units at the 3-, 5-, and 8-positions onto the BODIPY core.

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Article Synopsis
  • After failing initial treatment with an EGFR-TKI for non-small cell lung cancer, patients often prefer to switch to another TKI instead of starting chemotherapy, but it's unclear who shouldn't make that switch.
  • A study showed no significant difference in overall survival between patients who switched TKIs and those who received chemotherapy, but those whose disease progressed on the first TKI fared significantly worse than those whose disease was controlled.
  • The findings suggest that patients with disease progression to the first TKI should consider chemotherapy, as it may improve their chances of survival compared to switching to another TKI.
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