Department of Medicine, Division of Rheumatology, Johns Hopkins University School of Medicine Baltimore, MD, USA.
Postdoctoral Fellow, Johns Hopkins Division of Rheumatology, Baltimore, MD, USA.
Cleve Clin J Med. 2017 Oct;84(10):797-804. doi: 10.3949/ccjm.84a.17025.
Raynaud phenomenon is an overactive vascular response to cold and emotional stress that results in cutaneous color changes and sensory symptoms in the digits. It can be idiopathic (primary) or secondary to another condition; the latter can be more severe and more apt to lead to ischemic complications such as digital ulceration and even loss of digits. If nonpharmacologic interventions prove inadequate, then vasodilator agents are used.
雷诺现象是一种对寒冷和情绪应激过度的血管反应，导致手指皮肤颜色改变和感觉症状。它可以是特发性（原发性）的，也可以继发于其他疾病；后者可能更严重，更容易导致缺血性并发症，如指溃疡，甚至手指丧失。如果非药物干预措施证明无效，则使用血管扩张剂。
