Publications by authors named "Tomoko Mizota"

Article Synopsis
  • The study examines the critical view of safety (CVS) in laparoscopic cholecystectomy (LC) and highlights that many surgeons struggle to achieve adequate CVS according to expert evaluations, indicating a need for improved teaching methods.
  • A comparison was made between surgeon self-assessments (SAs) of their own video performances and assessments made by trained expert raters, showing that surgeons consistently overestimated their skills.
  • The results indicated that out of 25 participating surgeons, those who submitted videos did not achieve adequate CVS and exhibited overconfidence in their self-ratings across multiple assessment scales.
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Background: Intercostal artery bleeding often occurs in a single vessel; in rare cases, it can occur in numerous vessels, making it more difficult to manage.

Case Presentation: A 63-year-old Japanese man was admitted to the emergency department owing to sudden chest and back pain, dizziness, and nausea. Emergency coronary angiography revealed myocardial infarction secondary to right coronary artery occlusion.

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Background: Pancreatic ductal carcinoma (PDAC) is an extremely poor prognostic disease. Even though multidisciplinary treatment for PDAC has developed, supportive therapies, such as nutritional therapy or perioperative rehabilitation to sustain and complete aggressive treatment, have not yet been well-established in PDAC. The aim of this study was to elucidate the relationship between the combined index using psoas muscle mass index (PMI) values and controlling nutritional status (CONUT) score and prognosis.

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Background: Metastatic lung tumor with a tumor thrombus in the peripheral pulmonary vein is very rare. We present a case of a metastatic lung tumor from hepatocellular carcinoma (HCC) with tumor thrombus invasion in the pulmonary vein that was diagnosed preoperatively and underwent complete resection by segmentectomy.

Case Presentation: A 77-year-old man underwent laparoscopic lateral segment hepatectomy for HCC eight years ago.

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Background: Sarcoid-like reaction (SLR) is a histological pattern of granulomatous inflammation that is clinically differentiated from sarcoidosis. Since SLR is known to occur in several neoplasias and occasionally causes lymphadenopathy and mimics metastatic malignancy, it needs to be considered whether lymphadenopathy is due to metastasis or SLR for the choice of cancer treatment. Few cases of hepatocellular carcinoma (HCC) with SLR have been reported.

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Purpose: The aim of this study was to identify (1) the type of skill evaluation methods and (2) how the effect of training was evaluated in simulation-based training (SBT) in pediatric surgery.

Methods: Databases of PubMed, Cochrane Library, and Web of Science were searched for articles published from January 2000 to January 2017. Search concepts of Medical Subject Heading terms were "surgery," "pediatrics," "simulation," and "training, evaluation.

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Background: Fundamentals of Endoscopic Surgery (FES) has become a board certification requirement for general surgery residents. While the FES program provides a robust didactic curriculum, an endoscopic skills curriculum is lacking for this high stakes assessment. The aims of this study were to develop a proficiency-based endoscopic skills curriculum and assess its effectiveness on success in the FES exam.

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Background: Since a displaced bronchus related to the left upper lobe is an uncommon anatomical anomaly, it has a risk of being accidentally resected during left upper lobe resection unless they are identified preoperatively. A case of video-assisted thoracic surgery (VATS) segmentectomy that was safely performed under preoperative identification of a displaced subsegmental bronchus and anomalous pulmonary vessels is presented.

Case Presentation: A 48-year-old woman visited our hospital because of an abnormal shadow on a radiograph on a health check.

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Objective: Effective teamwork and communication are critical to patient outcomes, and subjective assessment tools have been studied in predicting team performances. However, inherent biases remain while using subjective assessment tools. This study hypothesizes that objective communication features can assess and predict clinical performance.

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Background: Overwhelming stress in the operating room can lead to decay in operative performance, particularly for residents who lack experience. Mental skills training can minimize deterioration in performance during challenging situations. We hypothesized that residents trained on mental skills would outperform controls under increased stress conditions in the simulated operating room.

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Introduction: Several studies demonstrated that simulator-acquired skill transfer to the operating room is incomplete. Our objective was to identify trainee characteristics that predict the transfer of simulator-acquired skill to the operating room.

Methods: Trainees completed baseline assessments including intracorporeal suturing (IS) performance, attentional selectivity, self-reported use of mental skills, and self-reported prior clinical and simulated laparoscopic experience and confidence.

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Background: This study aimed to identify differences in pattern recognition skill among individuals with varying surgical experience.

Methods: Participants reviewed laparoscopic cholecystectomy videos of various difficulty, and paused them when the cystic duct or artery was identified to outline each structure on the monitor. Time taken to identify each structure, accuracy and work load, which was assessed using the NASA-Task Load Index (TLX), were compared among the three groups.

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Background: Though the importance of physician non-technical (NT) skills for safe patient care is recognized, NT skills of medical students, our future physicians, has received little attention. This study aims to investigate the relationship of medical student NT skills and clinical performance during acute care team simulation (ACTS).

Methods: Forty-one medical students participated in ACTS.

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Background: Despite its advantages, few trainees outside of North America have access to simulation training. We hypothesized that a stepwise training method using tele-mentoring system would be an efficient technique for training in basic laparoscopic skills.

Methods: Residents were randomized into two groups and trained to proficiency in intracorporeal suturing.

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Background: Various chemotherapies have been used as best practice to treat recurrent biliary malignancies. Conversely, relatively few surgeries have been described for recurrent extrahepatic biliary carcinoma (RExBC), so whether surgery for RExBC is feasible has remained unclear. This retrospective study was conducted to evaluate the feasibility of surgery for RExBC.

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Background: The creation of an adequate peritoneal flap during laparoscopic transabdominal preperitoneal (TAPP) inguinal hernia repair, while avoiding injuring surrounding structures can be technically challenging. Liquid infiltration of the preperitoneal space can help facilitate dissection and avoid inadvertent injuries. We describe a novel technique for TAPP inguinal hernia repair using liquid-injection for preperitoneal [corrected] dissection and report our initial experience.

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