Internal medicine
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Objective A pathological acetylcholine (ACh) test was observed at lower ACh doses in females compared with males in European populations. We retrospectively analyzed the sex-related differences in Japanese patients with provoked positive spasm by ACh spasm provocation testing. Methods We performed the ACh spasm provocation tests in 1,854 patients from Jan 1991 until Mar 2019. ⋯ The observed major complications during ACh testing did not differ substantially between the sexes. In addition, the prognosis in females with provoked positive spasm was not different from males. Conclusion Provoked positive spasm by ACh test was obtained at lower mean maximum ACh doses in males compared with females in Japanese patients.
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The current study evaluated the application of small-bowel capsule endoscopy (SBCE) in SARS-CoV-2-infected patients with suspected small bowel bleeding. We analyzed the clinical characteristics, SBCE procedures, examination results, and treatment for cases of suspected small bowel bleeding in two patients with critical COVID-19. ⋯ Two patients had relevant changes in their management plans and received specific treatment based on SBCE findings. In summary, SBCE proved to be a non-invasive diagnostic tool for critical COVID-19 patients with suspected small bowel bleeding.
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A 64-year-old Japanese man with recurrent cerebral ischemic events and cognitive impairment was suspected of having cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) because of a family history and brain magnetic resonance imaging findings of cerebral white matter hyperintensities. The cysteine-sparing variation p. Val237Met was identified in NOTCH3. ⋯ Val237Met were uncertain. We additionally reviewed previous reports of two Japanese families with p. Val237Met.
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A 49-year-old man underwent treatment with glecaprevir plus pibrentasvir (G/P) for chronic hepatitis C infection. Six weeks later, he was admitted to our hospital because of jaundice and fatigue with no accompanying skin rash. ⋯ The patient was also found to be allergic to two drugs other than the G/P therapy. In such cases with a history of drug allergy, careful observation may be required to detect serious adverse events.