意大利和美国的研究人员发现,使用钙拮抗剂与血红蛋白损失有联系。然而,这种风险的增加仅限于被诊断为消化性溃疡或具有这种疾病症状的患者。这项研究涉及平均年龄为68.8岁的6721例患者,他们的平均住院时间为18ｄ,其中1076例患者在住院期间接受了钙拮抗剂治疗,其中,硝苯地平(ｎ Researchers in Italy and the United States found that the use of calcium antagonists has been linked to hemoglobin loss. However, this increase in risk is limited to patients diagnosed with peptic ulcers or having symptoms of this disease. This study involved 6,721 patients with a mean age of 68.8 years and their average length of stay was 18 days. Of these, 1076 received calcium antagonists during hospitalization, with nifedipine (n