鼻出血是病理条件下人体最多见的出血[1],是耳鼻喉科常见的急症之一。其发病原因可分为局部和全身两类,文献报道[2]高血压所致的鼻出血占65%~75%。老年人由于高血压、动脉硬化使鼻腔血管脆性增加,尤其是鼻腔后部血管弯曲度大,经常受血液冲击,在血压波动时鼻腔血管就易发生破裂 Epistaxis is the most common bleeding in the human body under pathological conditions [1], and is one of the common emergency of otolaryngology. The causes can be divided into two types of local and systemic reported in the literature [2] Epistaxis caused by hypertension accounted for 65% to 75%. The elderly due to high blood pressure, arteriosclerosis so that increased nasal vascular fragility, especially in the posterior nasal vascular curvature, often affected by blood pressure, nasal blood vessels in the blood pressure fluctuations prone to rupture