经皮穿刺继发孔房间隔缺损闭合术要求采用食道超声进行监测。由于本组 2例患儿年龄较小不适宜采用食道超声监察 ,只能采用体表超声进行监测 ,结果成功进行了治疗。报告如下。例 1　女 ,3岁。 2年前发现心脏杂音 ,运动后心慌、气短 2年。查体 :体温、呼吸、脉搏及血压均正常。无 Percutaneous puncture secondary to atrial septal defect closure requires the use of esophageal ultrasound monitoring. As two patients in this group are not suitable for younger age using esophageal ultrasound monitoring, only the use of body surface ultrasound monitoring, the results were successfully treated. The report is as follows. Example 1 female, 3 years old. 2 years ago found heart murmur, palpitation after exercise, shortness of breath 2 years. Physical examination: body temperature, breathing, pulse and blood pressure were normal. no