Pulmonary hypertension is a clinical syndrome on the pathophysiological basis of increased pulmonary artery pressure.The understanding of this syndrome involves a gradual process of updates and classification.This paper explains the basic concept of pulmonary hypertension,evolution of its classification and the latest classification criteria,in order to summarize a general network of research based on the classification of pulmonary hypertension,and let readers have a clearer understanding of this area.%肺高压是一种以肺动脉压力升高为病理生理基础的临床综合征.对这一组疾病的临床认识存在着逐渐更新和澄清的过程.现就肺高压的基本概念、分类的发展历史和最新的肺高压分类标准进行解读,以期提供一个大致的分类研究脉络,使读者能更好地掌握肺高压这一疾病的分类.
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