Publications by authors named "OTSUKA H"

Doxorubicin + cisplatin and paclitaxel + carboplatin are standard chemotherapy regimens for endometrial cancer. The development of PD-1 and PDL-1 antibody drugs has led to the use of these agents for endometrial cancer in other countries. The KEYNOTE-775 trial for advanced or recurrent endometrial cancer demonstrated the benefits of pembrolizumab and lenvatinib combination therapy, and the results of this trial led to the approval of its coverage for recurrent cancer by the Japanese health insurance system.

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Endovascular stent graft repair was developed to minimize the invasiveness of open surgery for thoracic and abdominal aortic diseases. This approach involves covering the diseased segment with a stented artificial graft. However, in thoracic endovascular aortic repair (TEVAR) for aortic arch diseases, special consideration is needed to preserve the aortic arch vessels.

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A 70-year-old man experienced an epileptic seizure. Subsequent MRI performed on close examination revealed high signal in the left occipital cortex on fluid-attenuated inversion recovery. Gadolinium contrast indicated enhancement along the cortex.

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  • Two patients with paroxysmal atrial fibrillation developed pulmonary vein stenosis (PVS) after AF ablation, with Case 1 being a female in her 50s and Case 2 a male in his 60s.
  • The first patient showed high-degree left superior PVS 15 months post-ablation, while the second had progressive PVS nine months later, confirmed through contrast-enhanced CT and ventilation-perfusion scans.
  • PVS is a rare complication of AF ablation that can lead to severe issues if untreated, and the case report emphasizes the importance of V/Q scans in assessing PVS despite its common association with pulmonary embolism evaluations.
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Background: This study aimed to investigate whether arithmetic hip-knee-ankle angle (aHKA) can be a surrogate for valgus stress radiography (VSR). Furthermore, we investigated the optimal cutoff values for preoperative radiographic parameters, thereby validating the appropriate inclusion criteria for prearthritic/kinematic unicompartmental knee arthroplasty (prearthritic-UKA).

Methods: We retrospectively analyzed 123 patients who underwent medial UKA.

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Mechanochromic polymers can be used to visualize mechanical stimuli applied to materials. However, many of these polymers exhibit single-color mechanochromism, i.e.

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  • The study explores the impact of exercise habits from adolescence to old age on the risk of developing geriatric depression among older adults.
  • It involved 1,629 participants aged 65-84 and categorized them based on their exercise practices into four distinct groups.
  • Results show that individuals who exercised at any point in their life, particularly in adolescence and old age, had significantly lower levels of depressive symptoms compared to those who never exercised.
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Diabetes management primarily aims to achieve a life expectancy and quality of life similar to that of people without diabetes. The key to achieving this goal is the effective prevention and management of both the microvascular and macrovascular complications associated with diabetes. Although glycated hemoglobin levels of less than 7% are recommended to minimize complications, individual targets should be set considering variables such as age, duration of diabetes, risk of hypoglycemia, organ function, support system, general health status, and social background.

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Background: Exercise in adolescence and old age improves cognitive function in older adults, but the combined effect of exercise habits in both periods is controversial. This study aimed to clarify the relationship between exercise habits in adolescence and old age and mild cognitive impairment (MCI) and to compare regional brain volumes and blood biochemical markers associated with cognitive function in older adults.

Methods: Baseline data of 1615 participants aged 65-84 years from the Bunkyo Health Study were analyzed.

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Aim: High-risk deliveries are still common due to the increased use of assisted reproductive technologies. In Japan, despite centralization of labor, about half of all deliveries are still carried out in obstetric clinics. Telemedicine support is important for neonatal resuscitation involving urgent, life-altering professional judgment in local deliveries.

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Ulcer-like projections (ULPs) with a tendency to enlarge are at risk of aortic events such as new dissection, aneurysmal formation, or rupture and require therapeutic intervention. However, what should be done after open chest surgery when standard thoracic endovascular aortic repair (TEVAR) cannot be performed is debatable. Here, we present a case of coil embolization of a newly enlarged ULP that was not amenable to TEVAR following a hemiarch aortic arch repair.

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: Data on the differences in functional recovery between inpatient rehabilitation for total hip arthroplasty (THA) and total knee arthroplasty (TKA) are lacking, and the factors influencing the improvement of short-term functional mobility remain unknown. In this study, we compared the short-term functional outcomes of both procedures and identified early postoperative predictors of physical function gain during post-acute rehabilitation. : A total of 435 patients who underwent THA and TKA were included.

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Background: When cystic lesions are detected in the chest wall, postoperative seroma and abscesses can be considered in the differential diagnoses. Herein, we present a case of a large chest wall cyst with rapid growth 5 years after thoracic surgery.

Case Presentation: A male patient in his 60s was admitted to our hospital complaining of a rapidly enlarging chest wall swelling.

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A 44-year-old man was diagnosed with a giant pheochromocytoma in the right retroperitoneal cavity following treatment for heart failure. Subsequent to improvement in cardiac function, the patient underwent a laparotomy to excise the tumor. Due to its considerable size, partial cardiopulmonary bypass and blood purification therapy were initiated to stabilize hemodynamics during the surgical intervention.

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The patient was a 51-year-old man who had undergone living donor liver transplantation for type B cirrhosis at the age of 37 years, and had a history of immunosuppressive drug use. He had developed focal seizures starting from his right upper limb, and MRI showed a lesion in the subcortical white matter of his left parietal lobe. Sensory disturbance and paralysis progressed in his right upper and lower limbs, and his brain lesion rapidly enlarged.

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Aim: Sarcopenia has been with a decrease in masseter muscle (MM) thickness in high-risk older populations. However, the relationship between sarcopenia and determinants of MM volume (MMV) in the general elderly population remains unclear.

Method: In a cross-sectional study of 1,484 older adults in Tokyo, we evaluated MMV using 3D MRI scanning, appendicular skeletal muscle mass (ASMM), handgrip strength, dietary intake, smoking, insulin-like growth factor 1 (IGF-1) levels, and the ACTN3 R577X polymorphism.

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During natural disasters such as earthquakes, individuals are required to evacuate calmly amidst significant emotional distress, presenting a considerable challenge. Very few studies have measured emotional responses during disasters, and the emotional responses and brain activity during natural disasters are poorly understood. Therefore, this study aimed to investigate emotional responses during an earthquake using immersive virtual reality (VR), focusing on changes in neural connectivity in the left and right dorsolateral prefrontal cortices (DLPFCs).

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  • CD26 is a T cell costimulatory molecule and its levels are usually increased in autoimmune diseases, but decreased in patients with systemic lupus erythematosus (SLE), indicating a unique aspect of SLE pathology.
  • In this study, researchers analyzed CD26+ and CD26(-) T cell populations from SLE patients, finding an abnormal rise in CD26(-) T cells that display characteristics similar to natural killer T cells.
  • The study suggests that evaluating CD26(-)CD28(-) T cell populations may help in understanding and classifying the complex nature of SLE, particularly since their levels can vary significantly even among inactive patients.
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Due to bicuspid aortic valve aortic stenosis, a 78-year-old man with a history of esophagectomy and presternal gastric tube reconstruction required aortic valve replacement (AVR). AVR with a bioprosthetic valve was performed through a right parasternal thoracotomy. Despite the unfavorable conditions for conventional median sternotomy, AVR was successfully performed through an alternate approach.

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The IMPELLA 5.5 (Abiomed Inc., Danvers, Massachusetts, United States) is a catheter-based, micro-axial blood pump designed to enhance organ perfusion in patients with cardiogenic shock.

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Background: Although recent studies have revealed the importance of inflammation in the pathogenesis of aortic dissection (AD), little is known about the relationships among inflammatory cells in human AD tissue.

Methods And Results: We assessed the relationships among various immune cell types, including neutrophils, macrophages (M1 and M2), B cells, and helper T cells (Th1, Th2, Th17, Treg and Tfh ) in human AD tissue. AD tissues displayed abundant infiltration of immune cells.

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  • * Traditional chemotherapy options like paclitaxel-carboplatin, bevacizumab, and PARP inhibitors have improved outcomes, but effective treatments for recurrent, platinum-resistant OC are still lacking.
  • * Mirvetuximab soravtansine is a new antibody-drug conjugate recently approved for treating specific recurrent epithelial OC cases, with ongoing clinical trials exploring similar agents targeting various tumor types in OC.
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Background: With the aging of the population worldwide, extending healthy life expectancy is an urgent issue. Muscle mass has been reported to be associated with physical independence and longevity. This study aimed to investigate the characteristics of food intake in urban community-dwelling older adults with low muscle mass.

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In Ga-citrate scintigraphy (Ga-S), visual assessment is used by evaluating renal-uptake comparison with liver and spine and is simple and objective. We adopted the standardized uptake value (SUV) for Ga-citrate and proposed two quantitative indices, active nephritis volume (ANV) and total nephritis uptake (TNU). This study clarified the utility of new Ga-S-based quantitative indices in nephritis management.

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