Chin Circul J:有这9种表现的主动脉壁内血肿应手术治疗

2017-04-25 佚名 中国循环杂志

主动脉壁内血肿是一种急性发病、进展迅速,可能致命的急性主动脉综合征,约占其中的10%~25%。近些年来,随着影像技术和认识水平的提高,这种疾病的诊断率逐渐提高。 阜外医院于存涛、姜文翔等就此在本刊阐述了该病的发病机制以及诊疗进展。 1. 主动脉壁内血肿的临床表现与主动脉夹层相似,但少见转移性或扩展性胸痛。 2. CT主动脉成像是首选检查方法:主动脉壁增厚和钙化内膜向腔

主动脉壁内血肿是一种急性发病、进展迅速,可能致命的急性主动脉综合征,约占其中的10%~25%。近些年来,随着影像技术和认识水平的提高,这种疾病的诊断率逐渐提高。



阜外医院于存涛、姜文翔等就此在《中国循环杂志》阐述了该病的发病机制以及诊疗进展。
 
1. 主动脉壁内血肿的临床表现与主动脉夹层相似,但少见转移性或扩展性胸痛。
 
2. CT主动脉成像是首选检查方法:主动脉壁增厚和钙化内膜向腔内移位是CT诊断主动脉壁内血肿的直接征象;CT主动脉造影上表现为增厚的主动脉壁无强化与主动脉腔相比呈明显的低密度。
 
3. 对于主动脉壁内血肿治疗策略仍有很多争议,早期有效的药物干预可减少外科手术的治疗。
 
4.有A型壁内血肿和B型壁内血肿两种类型,累及升主动脉的为A型,未累及升主动脉仅累及胸主动脉及以远主动脉的为B型;前者约占30%,后者占60%~70%。
 
5. 对于A型壁内血肿,大多数推荐行急诊手术治疗。
 
6. 对于B 型主动脉壁内血肿,首选保守治疗为目前共识,但应注意穿透性主动脉溃疡的存在。对于这些患者主动脉腔内覆膜支架置入术可作为一种有效的微创治疗手段。
 
7. 病情进展或并发症的预示因素:(1)在充分的药物治疗下,持续或复发性的疼痛;(2)难以控制的血压;(3)病变累及升主动脉;(4)主动脉最大直径大于或等于50 mm;(5)进行性的主动脉壁增厚;(6)主动脉直径进行性的扩大;(7)反复出现胸腔积液;(8)在局部的夹层受累节段继发形成穿透性溃疡或主动脉溃疡样突起;(9)缺血征象,如脑、心肌、胃肠、肾脏等缺血。
 
对于出现以上征象的主动脉壁内血肿治疗上应该更为积极,例如积极准备急诊手术或介入治疗,以防病情迅速恶化的可能。

原始出处:

姜文翔, 吴进林, 于存涛. 主动脉壁内血肿的诊断和治疗.中国循环杂志, 2017, 32: 304-306.

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