Prokopchuk-Gauk Oksana, Brose Kelsey
Department of Laboratory Medicine and Pathology, University of Alberta.
Department of Medicine, University of Saskatchewan, Royal University Hospital.
Cureus. 2015 Dec 22;7(12):e428. doi: 10.7759/cureus.428.
This case illustrates the acute onset of life-threatening bleeding in a 57-year-old male with treatment-resistant metastatic prostate cancer. Laboratory results confirmed the presence of disseminated intravascular coagulation (DIC). Despite aggressive transfusion support, his consumptive coagulopathy and persistent bleeding could not be controlled, and his need for blood products began to outpace the available supply. Our patient had declined further chemotherapy treatment for his underlying aggressive prostate cancer and would accept only palliative care. Both thrombosis and bleeding are known to coexist during DIC. In our patient, his hemorrhagic clinical condition and laboratory results supported the presence of DIC with an excessive fibrinolytic process in the setting of metastatic prostate cancer. Following careful consideration of potential risks and benefits, the decision was made to administer the antifibrinolytic agent tranexamic acid to control bleeding. Initiation of this treatment led to rapid bleeding cessation without thrombotic complication. Although controversial, this treatment was life-saving in our patient and allowed hospital discharge. He remained transfusion independent for his remaining four weeks of life following discharge, and ultimately died at home of multi-organ failure related to his cancer.
该病例展示了一名57岁患有难治性转移性前列腺癌的男性患者出现危及生命的急性出血情况。实验室检查结果证实存在弥散性血管内凝血(DIC)。尽管给予了积极的输血支持,但其消耗性凝血病和持续出血仍无法得到控制,且他对血液制品的需求开始超过可用供应量。我们的患者拒绝了针对其侵袭性前列腺癌的进一步化疗,仅接受姑息治疗。已知在DIC期间血栓形成和出血会同时存在。在我们的患者中,其出血性临床状况和实验室检查结果支持在转移性前列腺癌背景下存在伴有过度纤维蛋白溶解过程的DIC。在仔细考虑潜在风险和益处后,决定给予抗纤维蛋白溶解剂氨甲环酸来控制出血。开始这种治疗后出血迅速停止,且未出现血栓形成并发症。尽管存在争议,但这种治疗对我们的患者起到了挽救生命的作用,并使其得以出院。出院后在其剩余的四周生命中,他不再需要输血,最终在家中死于与癌症相关的多器官功能衰竭。