Publications by authors named "Tomoo Yuba"

This study investigated the impact of multiple nerve block methods (local anesthesia, conventional radiofrequency thermocoagulation [CRF], and pulsed radiofrequency [PRF]) on thermoregulation. Focusing on hypothalamic function, the effects of local anesthesia, CRF, and PRF on central and peripheral temperatures were analyzed and compared. Our findings revealed that all three nerve block groups cause a decrease in central temperature, with the CRF group exhibiting the most pronounced effect.

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Article Synopsis
  • Postoperative delirium (POD) is a major issue post-surgery, particularly in older adults and those with cognitive impairments, and this study explores its link to oxidative stress.
  • Conducted at Osaka University, the research analyzed data from female patients who had joint replacement surgery, focusing on blood samples to measure oxidative stress before and after surgery.
  • Findings indicate that while general oxidative stress markers remained stable post-surgery, increased d-ROM levels correlated with POD, suggesting oxidative stress might play a role in its development and warranting more research.
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The Diacron-reactive oxygen metabolites (d-ROMs) and biological antioxidant potential (BAP) tests can easily and rapidly measure the state of oxidative stress in the blood; they have been used to determine the relationship between oxidative stress and various diseases. However, the extent to which the blood storage period affects the analyzed data remains unclear. In clinical practice, the storage conditions for samples after blood collection vary.

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Childbirth is a stressful event for mothers, and labor epidural analgesia (LEA) may reduce mental stress. Mental stressors include labor pain, fear, and anxiety, which induce oxidative stress. In this study, we focused on oxidative stress during delivery and conducted a cross-sectional analysis of maternal and fetal oxidative stress.

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Fever during childbirth, which is often observed in clinical settings, is characterized by a temperature of 38°C or higher, and can occur due to infectious and non-infectious causes. A significant proportion of non-infectious causes are associated with epidural-related maternal fever during vaginal delivery. Therapeutic interventions are required because fever has adverse effects on both mother and newborn.

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We report a case of tracheal resection and primary anastomosis for adenoid cystic carcinoma using an extracorporeal membrane oxygenation (ECMO). A 45-year-old female was referred to our hospital because of a tracheal tumor that occupied most of the tracheal lumen. In case of airway obstruction by the tracheal tumor during anesthesia and operation, we decided to use ECMO before induction of general anesthesia.

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