Publications by authors named "Yuuichi Hamabe"

Background: Although many patients complaining of chest pain visit the emergency department, very few are diagnosed with spontaneous pneumomediastinum (SPM). We present the management of 20 patients with SPM.

Methods: We retrospectively analyzed the clinical features, past history, chest X-rays (CXRs), 64-slice helical computed tomography (CT) images, and clinical course of 20 patients with SPM (19 men and 1 woman) who visited the emergency department of the Tokyo Metropolitan Bokutoh Hospital between 2005 and 2010.

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Article Synopsis
  • The study focused on 26 patients with traumatic thoracic aortic rupture (TTAR) to examine how different factors influenced their survival outcomes.
  • The main findings indicated that a younger age was linked to better survival rates, while the severity of multiple injuries, represented by the Injury Severity Score (ISS), was higher in those who died.
  • Emergency operations had mixed results, with immediate surgeries resulting in some deaths, whereas all patients who had delayed surgeries survived, highlighting the complexity of treating TTAR.
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Introduction: Little information is available on the pathogenesis of heatstroke without strenuous exercise in younger patients. Here, we report the case of a 31-year-old man who developed heatstroke secondary to hyponatremia. His condition was initially misdiagnosed as classic heatstroke.

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Objective: We investigated our 12-year experience of traumatic diaphragmatic injury (TDI) in our emergency medical center. This study aimed to clarify clinical features of TDI and identify factors affecting mortality and morbidity in TDI treatment.

Methods: We analyzed clinical characteristics, Injury Severity Score (ISS), probability of survival (Ps), and mortality of patients treated for TDI at the Tertiary Emergency Medical Center of Tokyo Metropolitan Bokutoh Hospital between January 1999 and December 2010.

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A-79-year-old woman ingested a cup of unknown violet agricultural solution intentionally. She was vomiting and smelt of sulfur. Arterial blood gas showed metabolic acidosis and marked cyanosis regardless of relatively high PaO2, caused by sulfhemoglobinemia.

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