Drug Safety - Case Reports最新文献

Systemic lupus erythematosus (SLE) can be induced by various medications, such as hydralazine, procainamide, isoniazid, methyldopa, chlorpromazine, quinidine, and minocycline. A patient was admitted complaining of fever with chills and rigor. After being diagnosed with tuberculous meningitis, the patient was given antituberculosis treatment. As the patient did not improve, detailed investigations were conducted, and elevated antinuclear antibody levels were found. The consulting physician diagnosed that the patient was suffering from SLE. As isoniazid is associated with an increased risk of developing SLE, it was suspected as the culprit drug. After withdrawing isoniazid from the antituberculosis treatment regimen, the patient improved and was discharged. Based on the WHO-UMC and Naranjo's causality assessment criteria, an association between the reaction and isoniazid was deemed probable. The reaction was moderately severe (level 4b) according to the modified Hartwig and Siegel scale.

This case report describes a suspected and fatal adverse reaction involving vitamin K-dependent coagulopathy that might be associated with cefoperazone/sulbactam (CPZ/SAM), a combined antimicrobial formulation. We reported a patient diagnosed with acute cerebral infarction and secondary pulmonary infection who was treated with an intravenous infusion of CPZ/SAM at 3 g twice daily. After receiving treatment with CPZ/SAM, the patient developed a fatal adverse reaction of CPZ-induced hemorrhage. The Naranjo assessment score in this report was 5, suggesting that the patient's coagulation function disorder was potentially associated with the use of CPZ/SAM. To prevent vitamin K-dependent coagulopathy caused by CPZ/SAM, it is suggested to avoid cephalosporins in patients with a high risk of bleeding unless the need for cephalosporins is compelling.

Hyperthyroidism in pregnancy is associated with a increased incidence of low birth weight, preterm birth and admission to the neonatal intensive care unit. However, available treatment options are limited. In this report, we present a case of fetal gastroschisis with a history of intrauterine exposure to methimazole. A 37-year-old woman was diagnosed with Grave's disease 3 years before her pregnancy. She had a poor response to propylthiouracil and required high-dose methimazole before her pregnancy. During the first trimester, she received methimazole 120 mg/day. After her 12th week of pregnancy, she received block-and-replace therapy (levothyroxine [LT4] 50 µg/day) because of the risk of hypothyroidism, and the dose of methimazole was downtitrated to 60 mg/day. Fetal ultrasonography showed fetal growth retardation and gastroschisis at gestational week 33. The relationship between the very high doses of methimazole in the first trimester of pregnancy and the incidence of gastroschisis in this patient was not fully understood because evidence of a relationship between the use of antithyroid drugs in the first trimester and congenital abnormalities in the fetus is lacking. Furthermore block-and-replace therapy is not recommended in pregnancy because it requires a higher dose of methimazole. We recommend preconception counseling and early screening of thyroid function. The counseling should include the best timeline for pregnancy and a discussion of the risks and benefits of hyperthyroidism treatment options.

A 49-year-old woman developed an anaphylactic reaction to Tc-99m macrosalb used for pulmonary scintigraphy. The patient received an intravenous injection of Tc-99m macrosalb 120 MBq, containing macroaggregates of human albumin 0.14 mg. Within 1 min she developed itching all over her body, an itching throat and dyspnoea. This was followed by urticaria and facial oedema. She was diagnosed with an anaphylactic shock. The patient received clemastine and prednisone, and fully recovered after release from the hospital. According to the Naranjo assessment algorithm, the relationship between the allergic reaction and the administration of Tc-99m macrosalb should be considered as 'probable'.