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南京鼓楼医院成功完成TA-TAVI联合TF-TEER一站式双瓣膜介入治疗——高龄高危患者重获新生

  • 2026-07-15 02:17:08
南京鼓楼医院成功完成TA-TAVI联合TF-TEER一站式双瓣膜介入治疗——高龄高危患者重获新生

近日,南京鼓楼医院心脏外科介入团队,凭借精湛的微创介入技术和多学科协作,为一名74岁高龄、同时合并重度主动脉瓣反流与二尖瓣反流、巨大心脏伴严重心衰的极高危患者,成功实施院内首例经心尖经导管主动脉瓣置换术(TAVI)联合经股二尖瓣缘对缘修复术(TEER)一站式双瓣膜介入治疗。该手术的成功开展,标志着科室在复杂结构性心脏病介入治疗领域迈上新台阶。

该病例同时涉及主动脉瓣与二尖瓣重度病变,结构复杂、手术风险高。团队通过多学科协作,采用同期介入策略,在一次手术中完成双瓣膜病变处理,避免分期手术带来的重复麻醉与累积风险。此次高难度手术圆满成功,充分彰显心脏外科介入团队精湛高超的手术技艺与紧密高效的多学科协作能力,标志医院结构性心脏病复杂重症诊疗水平实现跨越式、里程碑式重大突破。

患者基线

患者为74岁高龄男性,因“胸闷气喘5年余,加重半月余”入院。患者5年余前无明显诱因出现胸闷、气喘,活动后加重,休息后可缓解。近半月余症状明显加重,伴活动耐量显著下降,夜间不能平卧。

外院心脏超声提示:二尖瓣前叶、后叶脱垂并腱索断裂,二尖瓣重度反流(4+级,符合Carpentier II+I型),主动脉窦部、升主动脉瘤样扩张,主动脉瓣重度反流,全心增大,左室壁增厚,三尖瓣中度反流,中度肺动脉高压,左室收缩功能正常低值。既往有心脏瓣膜病史多年。

入院诊断:合并肝功能不全、肾功能不全、胸腔积液、心包积液、盆腔积液、肝囊肿等。心房颤动病史。术前BNP高达35,000 pg/mL以上,提示严重心力衰竭;肌酐510 μmol/L,ALT 1,516.3 U/L,肝肾功能严重受损。病情危重,手术风险极高。

术前二尖瓣和主动脉瓣超声心动图

术前主瓣CT评估

同期手术、减少患者二次创伤——精准研判制定个体化方案

患者同时存在主动脉瓣重度反流、二尖瓣重度反流双重危重病变,病情错综复杂、手术耐受极差。若采取传统分次分期手术,患者将反复经受麻醉创伤、手术应激,术中术后并发症、失败风险大幅升高,预后极大概率不良。心脏外科介入团队联合各方面专家,通过多维度精细研判、反复推演手术方案,创新性制定TAVI联合经股TEER一站式同期双瓣矫治高危个体化方案,单次手术同步根治两处高危瓣膜病变,最大限度降低手术创伤与全身风险。该方案充分体现了团队对复杂病情的精准把握和个体化治疗的先进理念。

手术策略的制定需兼顾多重技术难点:考虑到后续操作需要肝素化,若先行TAVR会增加房间隔穿刺出血风险;若先行TEER,由于存在主动脉瓣反流,左室容量负荷大,瓣环相对扩大将增加瓣叶夹持难度。

为此,团队精心设计了分步实施的手术流程:先游离心尖、给予少量肝素后行房间隔穿刺,穿刺完成后心尖缝荷包、行经心尖TAVR,同时利尿减低左室容量负荷,以期减少二尖瓣叶钳夹过程中的张力,从而完成TEER操作。

这一策略环环相扣,充分体现了团队对复杂手术的精准把控能力。术中病变交错、解剖结构复杂,团队精准把控手术顺序,先后完成主动脉瓣介入置换与二尖瓣缘对缘精准修复。患者主动脉瓣为32.5mm超大瓣环,常规TAVI瓣膜无法治疗,同时存在较为复杂的右窦中心角度,手术难度极大。术中结合解剖特点,心脏外科介入团队精准选择JS/TAVI-33型号瓣膜,其固定定位件加防漏环的设计更适用于此类超大瓣环的患者,为手术的安全及疗效提供保障。整段高难度导管精细操作仅用时10分钟,流程紧凑流畅、操作行云流水,充分展现团队炉火纯青的微创介入技术、极致精准的术中研判能力与高度默契的多术者协同配合,攻克高龄高危多瓣膜复合病变诊疗难题。

随后进行经股静脉路径的二尖瓣缘对缘修复(TEER)。在经房间隔穿刺后,团队精准调整导管轨迹,使其与二尖瓣反流方向保持良好垂直关系,并顺利进入左心室。术中针对P3区后叶连枷及腱索断裂所致的极重度偏心反流进行夹合操作,夹合后瓣叶活动明显受限,反流显著减少,最终仅残余微量反流,组织桥稳定,跨瓣压差约2 mmHg,同时肺静脉反流消失。术中操作精准高效,充分体现了团队在复杂二尖瓣病变介入治疗方面的丰富经验。

术中DSA影像(TAVI)

造影确认右窦居中位置

输送系统调弯、定位件入窦

输送系统调弯、定位件入窦

造影确认定位件入窦

释放瓣膜

释放锁丝、撤出输送器

术后二尖瓣和主动脉瓣超声心动图

术后超声

二尖瓣反流机制:3区后叶脱垂并腱索断裂,二尖瓣重度反流(4+级,符合Carpentier II+I型)。

三区情况

后叶连枷

极重度偏心反流

3D视角

P3连枷

反流未累及交界

手术过程

穿刺点靠中间靠后

获得穿刺高度为5cm

测试弹道垂直二尖瓣口且劈开反流

确认钟向为11点方向

进入心室后gripper down

关闭夹子后瓣叶活动明显受限

3D-view反流微量

组织桥稳定

残余反流微量

释放后夹子稳定

术后压差为2mmHg,肺静脉逆流消失。

患者获益明确

术后超声心动图显示,主动脉瓣人工生物瓣位置固定良好,瓣叶启闭正常,无明显受限;二尖瓣夹合装置位置稳定,功能良好。二尖瓣反流较术前明显改善,降至轻度水平,三尖瓣反流及肺动脉压力亦较术前下降。患者整体血流动力学状态较术前明显改善,左心功能仍在恢复过程中。

技术意义与展望

该例TAVI联合TEER一站式治疗策略,在一次手术过程中同时处理主动脉瓣及二尖瓣重度病变,有效避免了分期手术带来的重复麻醉与累积风险,体现了结构性心脏病领域多学科协作及复合介入技术的综合应用能力。该病例的成功实施,不仅为复杂多瓣膜病变合并高危基础状态患者的微创治疗路径提供了进一步的临床参考,更标志着鼓楼医院心脏外科在高龄高危复杂结构性心脏病介入治疗领域处于国内前列。

专家简介

周庆

南京大学医学院附属鼓楼医院(点击查看专家详细简历)

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  1. CONNECT:[ UseTime:0.000647s ] mysql:host=127.0.0.1;port=3306;dbname=b460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000777s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000315s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000293s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000458s ]
  6. SELECT * FROM `set` [ RunTime:0.000209s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000627s ]
  8. SELECT * FROM `article` WHERE `id` = 597973 LIMIT 1 [ RunTime:0.001758s ]
  9. UPDATE `article` SET `lasttime` = 1784240623 WHERE `id` = 597973 [ RunTime:0.013015s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000337s ]
  11. SELECT * FROM `article` WHERE `id` < 597973 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000968s ]
  12. SELECT * FROM `article` WHERE `id` > 597973 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000475s ]
  13. SELECT * FROM `article` WHERE `id` < 597973 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.009694s ]
  14. SELECT * FROM `article` WHERE `id` < 597973 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.005927s ]
  15. SELECT * FROM `article` WHERE `id` < 597973 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.012758s ]
0.134119s