高血压是心脑血管病的主要危险因素。继发性高血压占高血压总人群5%～10%〔1〕,以肾实质性及肾血管性高血压居多,其次为内分泌性高血压〔2〕。近年来,随着生活方式的改变和诊断技术的不断提高,继发性高血压的检出率有逐年增高趋势。鉴于一些继发性高血压通过介入治疗可治愈,故高血压的病因诊断至关重要。本研究对辽宁某医院高血压专 Hypertension is a major risk factor for cardiovascular and cerebrovascular diseases. Secondary hypertension accounts for 5% to 10% of the total population of hypertension [1], with renal parenchyma and renal vascular hypertension, followed by endocrine hypertension [2]. In recent years, with changes in lifestyles and the continuous improvement of diagnostic techniques, the detection rate of secondary hypertension is increasing year by year. Given that some secondary hypertension can be cured by intervention, the etiological diagnosis of hypertension is crucial. This study of a hospital in Liaoning hypertension