Publications by authors named "Kamei M"

Background: Anticholinergic burden, reflecting the cumulative impact of medications with anticholinergic properties, significantly predicts adverse drug reactions and geriatric syndromes in older adults. Although anticholinergic risk scales (ARS) have been developed and validated in various countries, none have been tailored specifically for Japan. The Japanese Anticholinergic Risk Scale (JARS) was developed to adapt the existing ARS frameworks to the Japanese context, considering unique medication profiles and cultural factors.

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  • Biosimilars like MYL-1701P, a version of aflibercept, offer potentially cheaper options for treating diabetic macular edema (DME), but their efficacy and safety compared to the original have not been fully studied.
  • A randomized double-masked trial across multiple countries involved 355 participants with DME to compare MYL-1701P and aflibercept, focusing on vision improvement and side effects over a year.
  • Results showed similar improvements in visual acuity between the two treatments after 8 weeks, with MYL-1701P achieving an adjusted mean difference of just 0.04 letters from aflibercept, indicating comparable effectiveness.
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In radiotherapy for pediatric abdominal tumors, determining the effect of concurrent chemotherapy on polyglycolic acid (PGA) spacers is crucial; yet this effect has not been validated. Therefore, we aimed to evaluate the impact of cyclophosphamide (CPA) chemotherapy on the PGA spacer using a rat model. Twenty-four rats were implanted with the spacer, and morphological changes in the spacer were assessed on CT for both the CPA-dosed group (40 mg/kg) and the control group.

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Adenomyoepithelioma(AME)of the breast is a rare condition, and comorbidity with carcinoma is even more unusual. Herein, we report a case of both AME and apocrine carcinoma in different breasts of a single patient. A 48-year-old woman presented to our clinic with a right breast tumor.

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Purpose: To evaluate the efficacy of vitrectomy with epiretinal proliferation (EP) sparing for full-thickness macular hole (FTMH) accompanied by EP.

Methods: A multicenter, retrospective study. Eyes were divided into two groups: the sparing group (Group S) included eyes in which the EP around the hole was peeled and preserved, whereas the removal group (Group R) included eyes in which the EP was partially or completely removed.

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Introduction: Food neophobia (FN) is a psychological trait that inhibits one's willingness to eat unfamiliar foods. It is related to the acceptance of insect foods and cultured meat, which are major protein alternatives to conventional meat, and is an important personality trait for understanding the near-future food industry. However, the factor structure of Pliner and Hobden's FN scale (FNS) is unstable due to respondents' cultural backgrounds.

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Purpose: Occupational musculoskeletal disorders are prevalent in ophthalmic surgeons and can impact surgeons' well-being and productivity. Heads-up displays may reduce ergonomic stress compared to conventional microscopes. This cross-sectional, non-interventional study compared ergonomic experience between heads-up display and conventional ocular microscopes.

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The conflicting predictions of ironic process theory and the implicit overcompensation hypothesis have been presented as a framework to explain the characteristics of errors that occur when a certain behavior is prohibited. The former predicts that instructions prohibiting a particular behavior will increase the likelihood of an outcome that should be avoided (ironic error), whereas the latter predicts that the likelihood of an outcome opposite of that to be avoided (overcompensation error) will increase. We examined how these errors, which negatively affect performance, are influenced by pressure and perceived weakness.

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Introduction: Children and adolescents with mature B cell non-Hodgkin lymphoma (B-NHL) are treated with short-intensive chemotherapy. The burden of short-term and long-term toxicity is highly relative to its high cure rate in good-risk patients. Although the addition of rituximab to standard lymphome Malin B (LMB) chemotherapy markedly prolongs event-free survival and overall survival in high-risk patients, the benefit of rituximab in good-risk patients remains to be elucidated.

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In this prospective observational study, we aimed to examine improvements in horizontal laxity after lower eyelid retractor advancement and transcanthal canthopexy for involutional lower eyelid entropion. The study included 19 sides in 15 patients with involutional entropion who underwent transcanthal canthopexy with the advancement of the lower eyelid retractor. Using the pinch test, the distance from the lowest part of the corneal limbus to the eyelid margin was measured using callipers.

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Being homebound is a phenomenon of confining older adults to their homes owing to health, social, and psychological factors. During the COVID-19 pandemic, people were requested to refrain from going out to prevent infection. Consequently, the homebound status of older adults was influenced by social and environmental factors, resulting in an increase in the number of homebound older adults during the pandemic.

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Conventional type 1 dendritic cells (cDC1s) play a crucial role in antitumor immunity through the induction and activation of tumor-specific CD8 cytotoxic T cells (CTLs). The chemokine XCL1 is a major chemotactic factor for cDC1s and its receptor XCR1 is selectively expressed on cDC1s. Here, we investigated the effect of intratumoral delivery of a highly active form of murine XCL1 (mXCL1-V21C/A59C) on cDC1-mediated antitumor immunity using a hydrophilic gel patch.

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  • Lacrimal canalicular lacerations are injuries to the tear drainage system often resulting from trauma to the eye area, though few specific cases are documented.
  • This report discusses an acute case treated with a bicanalicular stent for immediate relief, and a prior case managed by external dacryocystorhinostomy with a monocanalicular stent.
  • The treatments described are effectively positioned as initial surgical options before considering more complex procedures like conjunctivodacryocystorhinostomy.
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Purpose: To report a new technique for fundus examination using a wide-angle viewing system combined with intraocular illumination without accessing the vitreous cavity.

Study Design: Retrospective case series METHODS: Consecutive patients with atopic dermatitis-related cataracts who underwent standard cataract surgery and the novel fundus examination technique were included. After phacoemulsification, the anterior and posterior chambers were filled with ocular viscoelastic devices.

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Purpose: To assess the real clinical utility of widefield OCT angiography (WF-OCTA) for detecting retinal neovascularization (RNV) in eyes with proliferative diabetic retinopathy (PDR).

Design: A retrospective cross sectional study.

Participants: Consecutive eyes clinically suspected of PDR by physicians at a tertiary eye center between March 2021 and November 2022.

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Organic-inorganic materials have been widely utilized in various fields as multifunctional materials. Poly(dimethyl siloxane) (PDMS), a typical inorganic polymer, has industrially appealing functions, such as transparency, biocompatibility, and gas permeability; however, it has poor mechanical properties. We incorporated organic-inorganic hybrid elastomers (PDMS-γCD-AAl⊃P(EA-HEMA) ()) with movable crosslinks, and we utilized hydrogen bonds as reversible crosslinks.

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This study aimed to investigate the influence of smooth texture preference on smoothness perception. An online questionnaire (Study 1, n = 464) and a sensory evaluation test (Study 2, n = 65) were administered to Japanese elderly participants (65-74 years), with common Japanese confectionery (Daifuku) as test foods. Through the online questionnaire, four distinct texture preference groups were formed based on the factors of preference for smoothness and firmness of the inner bean paste layer.

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A 54-year-old man underwent kidney transplantation at the age of 50 for end-stage renal failure owing to diabetic nephropathy. The patient was subsequently treated with three immunosuppressive drugs (tacrolimus, mycophenolate mofetil, and methylprednisolone) to prevent organ rejection, and no renal failure was noted. He visited our department with bloody stools and diarrhea, and a colonoscopy revealed mucosal edema and redness of the entire colon.

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The purposes of this study were to compare the pressure onto the orbital floor and medial orbital wall between 3-dimensional printer skull models with unilateral orbital floor and medial orbital wall fractures and to compare the morphology of the orbital floor and medial orbital wall between patients with unilateral orbital floor and medial orbital wall fractures. The skull models were created based on computed tomographic (CT) data obtained from every 10 patients with unilateral orbital floor and medial orbital wall fractures. The orbital spaces of these models were filled with silicone, the silicone surface was pushed down, and pressures onto the orbital floor and the medial orbital wall were measured.

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Purpose: For the treatment of lamellar macular hole, the recent development of a lamellar hole-associated epiretinal proliferation (LHEP) embedding technique is likely to improve functional and anatomical results. However, the peeling of LHEP is often technically challenging. We have developed a new technique using a backflush needle with a silicone tip cannula that seems safer and more effective for use in LHEP embedding.

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Purpose: To report the efficacy of the perfluorocarbon liquid-air exchange with a head tilt toward the area of the giant retinal tear (GRT) using the heads-up surgery system to prevent retinal slippage during vitrectomy for GRT-associated retinal detachments.

Methods: Eyes with GRT-associated retinal detachments underwent vitrectomy using the heads-up surgery system and perfluorocarbon liquid-air exchange with a head tilt 45° toward the GRT to put the area of the tear in the most dependent position to drain fluid. This technique was evaluated to prevent retinal slippage.

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Purpose: To evaluate the influence of tamponade on the visual and anatomic outcomes of pars plana vitrectomy for myopic traction maculopathy (MTM).

Design: Multicenter, retrospective clinical cohort study.

Methods: Consecutive eyes that underwent vitrectomy for advanced MTM with tamponade of air, sulfur hexafluoride (SF), or perfluoropropane (CF) or without tamponade with a minimum follow-up of 12 months were included.

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Article Synopsis
  • The study investigates the occurrence, causes, risk factors, and treatment results of postoperative macular holes (MH) following surgery for myopic traction maculopathy (MTM) using pars plana vitrectomy (PPV).
  • Out of 207 patients observed over an average of 25.9 months, 11.6% developed postoperative MH, with identified risk factors including male gender, thinner preoperative choroidal thickness, and the use of indocyanine green during surgery.
  • Treatment methods varied, with an overall macular hole closure rate of 83%; however, patients who developed MH had significantly poorer visual outcomes compared to those who did not.
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For the treatment of osteosarcoma, cisplatin (CDDP) can be substituted by carboplatin (CBDCA) to reduce toxicity. We report a single institution experience of CBDCA-based regimen. Two to three cycles of CBDCA + ifosfamide (IFO) therapy (window therapy) were administered as neoadjuvant therapy for osteosarcoma.

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  • A 79-year-old man with chronic obstructive pulmonary disease (COPD) developed empyema while being treated with inhaled corticosteroids (ICS) as part of triple therapy.
  • After diagnosing the infection through pleural effusion culture, the treatment was modified, reducing the therapy to a double combination without ICS.
  • The patient's condition improved significantly, allowing for his discharge after 49 days in the hospital, suggesting that ICS may increase the risk of infection in COPD patients.
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