Publications by authors named "Sakata M"

SARS-CoV-2 infection could trigger autoimmune disease. We report a case of concomitant exacerbation of Graves orbitopathy (GO) and myasthenia gravis (MG) after SARS-CoV-2 infection. A 43-year-old woman had diplopia, proptosis, and swollen eyelids.

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The nutria (Myocastor coypus) is a semiaquatic rodent that originally inhabited South America. However, the animals have spread to different continents as alien species, and their numbers are quickly increasing, especially in North America, Europe, and Eastern Asia including Japan. Although nutrias have been suggested to serve as reservoirs for pathogens, including parasites, there have been few reports on this subject.

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Background: Biomarkers that predict disease activity and prognosis should be established for neuromyelitis optica spectrum disorders (NMOSD). In this study, we investigated the association between complement factors and the prognosis of NMOSD.

Methods: We validated laboratory parameters as potential prognostic factors in 34 patients with NMOSD (31 females and 3 males) whose serum was collected at the time of recurrence and who were subsequently followed-up for 3 years without the use of biologics.

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Introduction: Progressive encephalomyelitis with rigidity and myoclonus (PERM) is characterized by brainstem symptoms, muscle rigidity, and myoclonus. While autoantibodies to inhibitory neurons have been associated with the pathology, about 30% of cases are negative for autoantibodies. There are few reported cases of antibody-negative PERM and its clinical course and prognosis are unknown.

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Background: Familial adenomatous polyposis (FAP) is an autosomal dominant colorectal tumour syndrome characterised by the formation of multiple adenomatous polyps throughout the colon. It is important to understand the extracolonic phenotype that characterizes FAP. Most previous case reports of patients with both FAP and intellectual disability (ID) have described deletions in all or part of chromosome 5q, including the APC locus.

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  • Patient-specific FDG PET can identify abnormal brain activity in HIV patients before and after starting combination antiretroviral therapy (cART).
  • Studies on these changes were limited to a small number of patients and timeframes.
  • The analysis found that abnormal FDG uptake areas decreased significantly after 6 months of cART, suggesting FDG PET may be useful for early monitoring of treatment effects.
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Low-grade endometrial stromal sarcoma (LGESS) is a rare disease, accounting for less than 1% of all uterine malignancies. Standard treatment is total hysterectomy and bilateral tubal oophorectomy, although fertility preservation may be desirable because of the young age of onset. We document a case of fertility preservation in a 27-year-old nulligravida diagnosed with LGESS, which not only enabled the successful birth of two live infants but also underscores the efficacy of a multidisciplinary approach to patient treatment through the Hyogo Oncofertility Network (HOF-net).

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Goals: To clarify the characteristics of desmoid tumors in Japanese patients with familial adenomatous polyposis after colectomy.

Background: Few comprehensive reports have been published on desmoid tumors in Asian patients with familial adenomatous polyposis.

Study: This retrospective study included the data of 81 patients with familial adenomatous polyposis who underwent surgery between 1978 and 2021.

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Opisthorchiasis, caused by the liver fluke Opisthorchis viverrini, is endemic to Southeast Asian countries and constitutes a major health problem as it increases the risk of cholangiocarcinoma. However, owing to the complicated life cycle of O. viverrini, there is no rapid method for monitoring the risk of infection in the environment.

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  • Developing new methods to detect the epithelial-mesenchymal transition (EMT) is important for studying tissue growth and cancer spread, as traditional methods are often slow and ineffective.
  • This study introduces a pH perturbation technique that detects tight junction barrier disruptions during EMT by measuring proton leakage using a specialized pH-responsive semiconductor.
  • The method effectively identifies EMT at significantly lower concentrations of a triggering cytokine compared to conventional techniques and shows promise for real-time monitoring and drug screening in cancer research.
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  • * Out of 451 patients over 65 years with cervical fractures, 69% had mid-cervical injuries while 31% had lower-cervical injuries, with lower-cervical injuries being linked to more high-energy trauma cases.
  • * Although lower-cervical injuries resulted in fewer muscle weaknesses compared to mid-cervical injuries, many patients still experienced neurological deficits and similar overall complication rates after treatment, such as respiratory issues but no significant differences in mortality or mobility outcomes.
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Introduction: Preoperative estimations of blood loss are important when planning surgery for cervical spine injuries in older adults. The association between ankylosis and blood loss in perioperative management is of particular interest. This multicenter database review aimed to evaluate the impact of ankylosis on surgical blood loss volume in elderly patients with cervical spine injury.

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Aim: To compare the surgical and oncologic outcomes between patients with locally recurrent cervical cancer undergoing robotic-assisted salvage radical hysterectomy (RH) and those undergoing conventional open salvage RH, performed by a single surgeon.

Methods: This retrospective comparative observational study utilized data obtained from consecutive patients with locally recurrent cervical cancer, developed after definitive radiotherapy. These patients either underwent robot-assisted RH (robotic group) or conventional open RH (open group).

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Background: Psychological interventions are increasingly discussed as a method to prevent major depressive disorder (MDD) in adults who already experience subthreshold depressive symptoms. In this individual participant data meta-analysis, we quantify the effect of preventive interventions against control on MDD onset in this population, and explore effect modifiers.

Methods: In this systematic review and individual participant data meta-analysis, we screened full-texts of eligible studies within the Metapsy research domain for articles on psychological interventions for depression, from database inception to May 1, 2023, published in English, German, Spanish, and Dutch.

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Far ultraviolet-C irradiation at 222 nm has potent bactericidal effects against severe infections such as peritonitis, with minimal cytotoxicity. Bacterial peritonitis due to bowel perforation is a serious condition with high mortality despite current treatments. This study investigated the safety and efficacy of intraperitoneal far ultraviolet-C irradiation at 222 nm.

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Background: Crohn's disease causes acute and chronic inflammation that often make the preoperative evaluation of surgical risks difficult. Myosteatosis is used for the evaluation of muscle quality to assess sarcopenia. However, data on the relationship between myosteatosis and surgical outcomes in patients with Crohn's disease are lacking.

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  • This study analyzed 389 patients aged 65 and older with cervical spinal cord injury (CSCI) but no bone injury to assess the effects of diabetes on neurological recovery.
  • The research found that there were no significant differences in neurological outcomes between diabetic patients and those without diabetes at 6 months post-injury.
  • Additionally, moderate-severe diabetes did not adversely impact recovery, suggesting that diabetic patients had similar improvements in neurological function as their nondiabetic counterparts.
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Although distal tibial oblique osteotomy (DTOO) has usually been indicated for noninflammatory diseases such as osteoarthritis, we encountered three patients with rheumatoid arthritis (RA) who underwent DTOO. We evaluated radiographic parameters and clinical scores, including self-reported scores for the foot and ankle [self-administered foot evaluation questionnaire (SAFE-Q)] and the Japanese Society for Surgery of the Foot (JSSF) ankle/hindfoot scale. In all three cases, radiographic improvements were achieved along with improvements in SAFE-Q and JSSF scores after mid-term follow-up.

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  • The study explores Japanese parents' views on COVID-19 vaccination for their young children and the reasons behind their hesitancy.
  • Using a combination of surveys and interviews, researchers identified factors influencing vaccine acceptance, including concerns about safety and effectiveness, as well as the influence of social circles and government policies.
  • The findings suggest that improved information access and community support could help parents make more informed vaccination decisions, indicating a need for clearer communication strategies.
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  • Durvalumab plus tremelimumab (Durva/Treme) is the first-line immunotherapy option for patients with unresectable hepatocellular carcinoma (HCC), with a reported objective response (OR) rate of 15.5%.
  • The study involved 110 patients and aimed to identify whether changes in tumor markers, specifically alpha-fetoprotein (AFP) and des-gamma-carboxy prothrombin (DCP), could serve as predictive biomarkers for treatment response, using data collected both before and four weeks after treatment.
  • It was found that higher baseline AFP levels (≥ 400 ng/mL) significantly correlated with better OR rates, and a ≥10% reduction in AFP or DCP
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Background: The corrected QT interval (QTc) is affected by changes in autonomic sympathovagal modulation. The aim of this study was to determine whether children with orthostatic dysregulation (OD) have a longer QTc while standing than children without OD.

Methods: We retrospectively assessed patients who underwent the Schellong test and electrocardiography between November 2016 and November 2019.

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Background: Internet-based cognitive behavioral therapy (iCBT) shows promise in the prevention of depression. However, the specific iCBT components that contribute to its effectiveness remain unclear.

Objective: We aim to evaluate the effects of iCBT components in preventing depression among university students.

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Objective: Cognitive behavioral therapy for insomnia (CBT-I) has demonstrated efficacy for both insomnia and depression. With a tenfold increase in expected participant numbers, we aimed to update the systematic review and meta-analysis of CBT-I for major depressive disorders (MDD).

Methods: Multiple databases were searched up to March 27th 2024 to include all randomized controlled trials examining CBT-I among adults with MDD.

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  • - The study examined how changes in the prognostic nutritional index (PNI) before and after surgery impact outcomes in patients with colorectal cancer, focusing on those with stage II/III disease.
  • - Results showed that patients with a decrease in PNI post-surgery had significantly higher rates of recurrence and mortality, indicating worse overall and recurrence-free survival compared to those whose PNI did not decrease.
  • - The findings suggest that monitoring perioperative PNI changes could serve as an effective way to predict a patient's prognosis and risk of cancer recurrence following surgery.
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