1、房颤消融术中的左房房扑Left Atrial Flutter During Stepwise Linear Ablation of AF中国医学科学院 阜外心血管病医院 心律失常中心Arrhythmia Center ，Fuwai Herat Hospital Chinese Academy of Medical Sciences姚 焰 Yan Yao背景 Background与房颤消融相关的左房房扑（LAFL）发生率介于2.631% 1； The morbidity of AF ablation related left atrial flutter (LAFL) are 2.631%;包括
2、局灶、大折返或小折返等多种机制且多与房颤消融线的“缝隙”有关； Focal、micro- 1, Gerstenfeld EP, Heart Rhythm 2007; 4: S65-72个体化递进式线性消融术Stepwise Linear Ablation Approach病例数 Patients (n) 80性别 Gender: 男性(M)/女性(F) 60/20年龄 Age(岁，years) 房颤 Duration of AF (年 years)发性 Paro ysmal/ 性房颤 Persistent AF62/18左房 LA diameter (mm) 38 8左 血 数 L F (%)
3、 2 6性心 病 Structral Heart Disease 16 (20%)心律失常 AADs（n) 2 1LAFL Basic Characteristics of LAFL Patients esults LAFL消融中AF化currency1，或房颤消融“fifl 发； LAFLs were either conerted from AF by ablation or induced by CS； 3 例有2(26)种的LAFL， 有1 6种，中种局灶性，1 2种大折返机制； There were 3 pts. with 2(26) LAFLs，of total 1 6 LAFLs
4、， 1 2 were reentrant & were focal； 1 2种LAFL与房颤消融线的缝隙有关，且于 ”消融线； The reentrant circuits were all related with the gaps on the Figure “ ” lesions line.Case 1 M A的折返 eentrant around the M A消融 AFLA AFL V1CS7.85678910111213141516180msLead IISOCHRONES 的折返(sochronal map of the M A circuit)1.等 M A的 折返；2.M A 心fi的100；3.折返 rS 且 相 ；M A LP 的“缝隙”The gap on M A-LP isthmus 缝隙消融 律 Termination of the LAFL
