Internal medicine
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Drug-induced thrombocytopenia occurs through immune-mediated platelet destruction, and its management is challenging during tuberculosis treatment. Although rifampicin is the most common drug causing thrombocytopenia, isoniazid can also cause thrombocytopenia. ⋯ The patient was diagnosed with isoniazid-induced immune thrombocytopenia, and the platelet count normalized after isoniazid discontinuation. We describe the immunological mechanism of thrombocytosis due to isoniazid, an uncommon cause of thrombocytopenia that physicians should be aware exists.
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Objectve To assess the impact of glycemic variability on blood pressure in hospitalized patients with cardiac disease. Methods In 40 patients with cardiovascular disease, the glucose levels were monitored by flash continuous glucose monitoring (FGM; Free-Style Libre™ or Free-Style Libre Pro; Abbott, Witney, UK) and self-monitoring blood glucose (SMBG) for 14 days. Blood pressure measurements were performed twice daily (morning and evening) at the same time as the glucose level measurement using SMBG. ⋯ A multiple regression analysis showed that night glucose variability using FGM was more closely correlated with the ME difference [r=0.62 (95% confidence interval, 0.019-0.051); p<0.001] than with the age, body mass index, or smoking history. Night glucose variability was also more closely associated with the ME difference in patients with unstable angina pectoris (UAP) than in those with acute myocardial infarction (AMI) or heart failure (HF) (r=0.83, p=0.058). Conclusion Night glucose variability is associated with the ME blood pressure difference, and FGM is more accurate than the 5-point SMBG approach for detecting such variability.
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Case Reports
Acute Exacerbation of Idiopathic Interstitial Pneumonia Triggered by Cardiac Ablation: The First Case Report.
Acute exacerbation of idiopathic interstitial pneumonia (AE-IIP) is associated with invasive procedures and respiratory infections. However, there have been no reports of AE-IIP triggered by catheter ablation. ⋯ Considering that catheter ablation causes AE-IIP, a detailed clinical interview, physical examination, and chest radiography are necessary before catheter ablation. We should additionally consider AE-IIP as a differential diagnosis of respiratory failure after catheter ablation.
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A 58-year-old man was diagnosed with lung adenocarcinoma with a tumor proportion score of 10%. After six cycles of second-line chemotherapy with nivolumab, he achieved a complete response (CR) but developed uveitis and sensorineural hearing disorder, which were consistent with Vogt-Koyanagi-Harada (VKH)-like syndrome. ⋯ The patient has maintained a CR without any chemotherapy for approximately two years. We herein report a patient with a long-term progression-free survival despite chemotherapy discontinuation due to irAEs, including VKH-like syndrome, which were appropriately managed.
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Case Reports
Listeria monocytogenes Bacteremia During Isatuximab Therapy in a Patient with Multiple Myeloma.
An elderly patient with multiple myeloma (MM) was being treated with several regimens and developed a severe drug eruption, necessitating the use of atovaquone instead of trimethoprim-sulfamethoxazole for pneumocystis pneumonia (PCP) prophylaxis. For progressive MM, treatment with isatuximab, an anti-CD38 monoclonal antibody, was started. ⋯ CD38 is closely related to the innate immune response against L. monocytogenes, and isatuximab may increase the risk of infection. Therefore, trimethoprim-sulfamethoxazole may be useful in the prevention of not only PCP but also L. monocytogenes infection.