Methods Polymerase chain reaction with restrict enzyme digestion was used to detect the target gene polymorphism in 78 normotension controls and 72 EH patients.

• 目前认为，高血压是多种遗传因素和环境因素共同作用而引起的复杂性状疾病，在人类遗传易感性的基础上，在环境危险因素的作用下发病。