ArticleJA clinical reports2025
Hamman's syndrome in a patient with uncontrolled type 1 diabetes mellitus: a case report.
Article in JA clinical reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundHamman's syndrome is a clinical entity characterized by the spontaneous leakage of air into the mediastinum. We report a patient with Hamman's syndrome associated with diabetes ketoacidosis (DKA). CASE PRESENTATION: A 20-year-old foreign technical intern visited to a hospital because of nausea and shortness of breath. He had been diagnosed with diabetes in his home country and had initiated insulin therapy; however, since arriving in Japan, he had not accessed any medical services. Computed tomography revealed pneumomediastinum, while laboratory tests showed marked hyperglycemia, metabolic acidosis, and a significantly elevated blood ketone level (15,044 µmol/L). The patient was diagnosed with Hamman's syndrome associated with DKA. Upper gastrointestinal endoscopy showed no evidence of gastrointestinal perforation. Conservative intensive care, including insulin therapy and fluid resuscitation, resulted in clinical improvement.
conclusionThis case highlights the importance of recognizing Hamman's syndrome in DKA and the need for culturally competent care in international residents.
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