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[应激性心肌病(Tako-Tsubo心肌病)急性期的患者护理——以及之后呢?]

[Patient care in the acute phase of stress induced cardiomyopathy (Tako-Tsubo cardiomyopathy)--and thereafter?].

作者信息

Kurowski V, Radke P W, Schunkert H, Burgdorf C

机构信息

Medizinische Klinik II, Universitätsklinikum Schleswig-Holstein, Campus Lübeck, Ratzeburger Allee 160, 23538, Lübeck, Deutschland.

出版信息

Herz. 2010 Jun;35(4):245-50. doi: 10.1007/s00059-010-3349-8.

Abstract

The prognosis of patients presenting with Tako-Tsubo cardiomyopathy (TTC) is generally considered to be favorable. However, in the acute phase of the disorder complications are not infrequent and, therefore, continuous monitoring and consistent therapy in an intensive care unit is essential. Typical complications in patients with TTC are cardiogenic shock, obstruction of the left ventricular outflow tract (LVOT), occasionally accompanied by acute mitral regurgitation, arrhythmias, predominantly torsade de pointes tachycardias due to QT prolongation, left ventricular (LV) thrombus formation with or without consecutive thromboembolic events, and LV rupture. After confirmation of TTC by coronary angiography, repeat echocardiography should be performed. A standardized therapy for patients with TTC has so far not been established. Recommendations for the acute phase include the administration of anxiolytic agents for patients who present with preceding emotional stress, consistent therapy of physical stressors (such as pain or asthma) and avoidance of catecholamine therapy. Shock due to LVOT obstruction is treated by administration of volume and β-blockers. With respect to the occurrence of torsade de pointes tachycardias, drugs which might cause QT prolongation should not be given. The notable incidence of LV thrombus formation justifies therapeutic anticoagulation. Systematic studies and treatment recommendations for the prophylaxis of recurrent TTC do not exist. The recently reported association between TTC and malignant disorders should prompt tumor screening and subsequent preventive medical checkups in patients affected by TTC.

摘要

应激性心肌病(TTC)患者的预后通常被认为较好。然而,在疾病的急性期并发症并不少见,因此,在重症监护病房进行持续监测和连贯治疗至关重要。TTC患者的典型并发症有心源性休克、左心室流出道(LVOT)梗阻,偶尔伴有急性二尖瓣反流、心律失常,主要是由于QT间期延长导致的尖端扭转型室性心动过速、左心室(LV)血栓形成伴或不伴连续血栓栓塞事件,以及左心室破裂。通过冠状动脉造影确诊TTC后,应重复进行超声心动图检查。目前尚未确立TTC患者的标准化治疗方法。急性期的建议包括,对于有先前情绪应激的患者给予抗焦虑药物,对身体应激源(如疼痛或哮喘)进行连贯治疗,并避免使用儿茶酚胺类药物治疗。LVOT梗阻导致的休克通过补充容量和使用β受体阻滞剂进行治疗。对于尖端扭转型室性心动过速的发生,不应给予可能导致QT间期延长的药物。LV血栓形成的显著发生率证明了抗凝治疗的合理性。目前不存在预防TTC复发的系统性研究和治疗建议。最近报道的TTC与恶性疾病之间的关联应促使对TTC患者进行肿瘤筛查及随后的预防性医学检查。

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