Publications by authors named "Junichi Sasaki"

Article Synopsis
  • The study analyzed outcomes for pediatric patients with blunt liver and spleen injuries (BLSI) treated at hospitals with and without pediatric intensive care units (PICUs) between 2008 and 2019.
  • Among the 1401 patients, 30-day mortality rates were lower in hospitals with PICUs (0.7%) compared to those without (1.3%), and also compared to adult ICUs.
  • Overall, while adverse events were infrequent, the findings suggested that treatment in hospitals with PICUs may lead to better outcomes for pediatric patients with BLSI.
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Purpose: In laparoscopic inguinal hernia surgery, proper recognition of loose connective tissue, nerves, vas deferens, and microvessels is important to prevent postoperative complications, such as recurrence, pain, sexual dysfunction, and bleeding. EUREKA (Anaut Inc., Tokyo, Japan) is a system that uses artificial intelligence (AI) for anatomical recognition.

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Background: Disseminated intravascular coagulation (DIC) is a severe complication in septic patients. The Japanese Ministry of Health and Welfare (JMHW)-DIC criteria, the first DIC criteria, were established in 1983, and several other criteria have been proposed since then, including the International Society on Thrombosis and Haemostasis (ISTH)-overt DIC criteria and the Japanese Association for Acute Medicine (JAAM) DIC criteria. This study aimed to look into the transition of DIC criteria used in randomized controlled trials (RCTs) for sepsis-induced DIC.

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Background: Fungal infections are significant complications of severe coronavirus disease 2019 (COVID-19). Although various risk factors for poor outcomes in patients with COVID-19 have been identified, clinical and treatment factors associated with fungal infections in patients with severe COVID-19 remain unclear. This study aimed to elucidate clinical factors associated with fungal infections during severe COVID-19 treatment.

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  • Injury prevention for pediatric burns at home is important, and this study aimed to understand burn injury trends in urban areas over 30 years.
  • Using data from various burn centers and authorities in Tokyo, researchers analyzed 1,092 pediatric burn cases, categorizing them by mechanism, severity, and outcomes across five 6-year intervals.
  • Results showed a decrease in flame burns and hospital stay duration, but scald burns remained stable, indicating a need for more interventions to prevent these types of injuries.
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Phosphate-based glasses are known for their excellent biocompatibility and adjustable degradation rates. In this study, we fabricated a rapidly soluble zinc-ion-releasing phosphate-based glass (RG) specifically designed for use in dental cavity liners. The aim of this study was to evaluate the ion-releasing properties and antibacterial effects of RG.

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The sulfate transporter gene SLC26A2 is crucial for skeletal formation, as evidenced by its role in diastrophic dysplasia, a type of skeletal dysplasia in humans. Although SLC26A2-related chondrodysplasia also affects craniofacial and tooth development, its specific role in these processes remains unclear. In this study, we explored the pivotal roles of SLC26A2-mediated sulfate metabolism during tooth development.

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Background: Patients with traumatic out-of-hospital cardiac arrest (t-OHCA) require on-scene airway management to maintain tissue oxygenation. However, the benefits of prehospital endotracheal intubation remain unclear, particularly regarding neurological outcomes. Therefore, this study aimed to evaluate the association between prehospital intubation and favourable neurological outcomes in patients with t-OHCA.

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  • - Crush syndrome is a common consequence of earthquakes that can lead to acute kidney injury caused by muscle breakdown (rhabdomyolysis) and is worsened by systemic inflammatory response syndrome (SIRS).
  • - A study using mice with rhabdomyolysis showed high levels of inflammatory markers in both serum and the peritoneal cavity, where inflammation was more pronounced in the peritoneum.
  • - Administering a novel peptide that inhibits inflammation in the intraperitoneal cavity helped reduce muscle damage and kidney injury, suggesting that targeting inflammation in multiple areas could be beneficial for treatment.
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  • A study was conducted to create a severity scale for perforated peptic ulcers (PPU) with generalized peritonitis to help guide surgical decisions based on patient risk.
  • Researchers analyzed a large database of patients who underwent surgery for PPU from 2013 to 2020, identifying key predictors of severe postoperative complications.
  • The final scoring system ranged from 0-11 with a cutoff of 5 suggesting minimal risk of complications, requiring further validation for clinical use.
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  • Acute kidney injury (AKI) is common in septic patients, and the study aimed to identify if a higher urine output threshold than the standard 0.5 mL/kg/h could indicate increased AKI risk.
  • In a post-hoc analysis of septic patients, those with low, moderate, and high urine output had AKI incidences of 53.1%, 48.3%, and 46.3%, respectively, suggesting that higher urine output correlates with lower AKI risk.
  • The findings indicated that a urine output over 1.0 mL/kg/h on the day of sepsis diagnosis was associated with reduced AKI incidence, while creating different thresholds for AKI, renal replacement therapy, and
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Carotenoids, having strong antioxidant properties, have been associated with neurodegenerative conditions like dementia and glaucoma, characterized by neuronal loss leading to cognitive and visual dysfunction. Therefore, carotenoids have attracted attention as factors predictive of the onset and progression of these neurodegenerative diseases. However, the impact of carotenoids on cognitive impairment and glaucomatous visual field defects remains unexplored.

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Owing to the development of glass 45S5 (Bioglass®) comprising 45 mol% SiO, 24.5 mol% NaO, 24.5 mol% CaO, and 6 mol% PO, different compositions of silicate glasses have been developed.

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We report here a case of postoperative recurrent adenosquamous carcinoma (ASC) of the esophagogastric junction (EGJ) treated with S-1 therapy. A 79-year-old woman was diagnosed with carcinoma of the EGJ. Thoracoscopic subtotal esophagectomy was performed, and pathological examination revealed advanced ASC with lymph node metastasis.

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Background: Extracorporeal cardiopulmonary resuscitation (ECPR) is an option for refractory cardiac arrest, and immediate initiation after indication is recommended. However, the practical goals of ECPR preparation (such as the door-to-needle time) remain unclear. This study aimed to elucidate the association between the door-to-needle time and neurological outcomes of out-of-hospital cardiac arrest.

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Introduction: Pump-controlled retrograde trial off (PCRTO) is described as an effective weaning strategy for veno-arterial extracorporeal membrane oxygenation (ECMO) in the guidelines. Contrastingly, there is no established weaning strategy for veno-arteriovenous (V-AV) ECMO. We report a novel application of PCRTO in a patient undergoing V-AV ECMO.

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Purpose: While follow-up CT and prophylactic embolization with angiography are often conducted during non-operative management (NOM) for BLSI, particularly in a high-grade injury, the utility of early repeated CT for preventing unexpected hemorrhage remains unclear. This study aimed to elucidate whether early follow-up computerized tomography (CT) within 7 days after admission would decrease unexpected hemostatic procedures on pediatric blunt liver and spleen injury (BLSI).

Methods: A post-hoc analysis of a multicenter observational cohort study on pediatric patients with BLSI (2008-2019) was conducted on those who underwent NOM, in whom the timing of follow-up CT were decided by treating physicians.

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Introduction: Heparan sulfate (HS) is a major component of dental pulp tissue. We previously reported that inhibiting HS biosynthesis impedes endothelial differentiation of dental pulp stem cells (DPSCs). However, the underlying mechanisms by which exogenous HS induces DPSC differentiation and pulp tissue regeneration remain unknown.

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Article Synopsis
  • The study aimed to investigate how preoperative lactate levels can predict early complications after surgery for isolated extremity fractures.
  • Researchers analyzed data from 187 patients and found that those with a lactate level of 2 mmol/L or higher had significantly more postoperative complications than those with lower levels.
  • This effect was particularly notable for patients who had surgery within 6 hours of arriving at the hospital, suggesting that lactate levels may be a useful indicator for surgical timing and risk assessment.
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This review delves into the roles of glycosaminoglycans (GAGs), integral components of proteoglycans, in tooth development. Proteoglycans consist of a core protein linked to GAG chains, comprised of repeating disaccharide units. GAGs are classified into several types, such as hyaluronic acid, heparan sulfate, chondroitin sulfate, dermatan sulfate, and keratan sulfate.

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Purpose: This study aimed to elucidate whether immediate angiography within 30 min is associated with lower in-hospital mortality compared with non-immediate angiography.

Materials And Methods: We conducted a retrospective cohort study using a nationwide trauma databank (2019-2020). Adult trauma patients who underwent emergency angiography within 12 h after hospital arrival were included.

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Objective: Ischaemia-reperfusion (I/R) injury is a severe post-operative complication that triggers an inflammatory response and causes severe damage. Hydrogen gas has anti-oxidant and anti-apoptotic properties and has been shown to be safe in humans. The study aimed to investigate whether hydrogen gas protects against skeletal muscle I/R injury.

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Purpose: Vital signs are important for predicting clinical outcomes in patients with trauma. However, their accuracy can be affected in older adults because hemodynamic changes are less obvious. This study aimed to examine the usefulness of changes in vital signs during transportation in predicting the need for hemostatic treatments in older patients with trauma.

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  • Guided bone regeneration (GBR) is a technique aimed at restoring bone volume, utilizing barrier membranes that influence treatment success.
  • This study examined a slow-degrading bilayer membrane made from a synthetic copolymer (PLCL) in animal models, comparing its effectiveness to standard commercially available membranes.
  • Results indicated that the PLCL membrane provided sustained barrier function and significantly enhanced bone regeneration in defects, outperforming type I collagen and poly(lactic-co-glycolic acid) membranes.
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  • A study was conducted to analyze the effects of high levels of oxygen (hyperoxia) on patients with severe infections in intensive care units, particularly looking at its impact on mortality rates.
  • The research included 563 patients, with 49 experiencing hyperoxia at the start of treatment, showing a higher in-hospital mortality rate of 29.2% compared to 17.6% in those without hyperoxia.
  • The findings indicate that hyperoxia is linked to a greater risk of death in hospitalized patients with severe infections, suggesting that oxygen administration needs to be carefully managed in these cases.
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