陆军军医大学(第三军医大学)第二附属医院全军心血管外科研究所,重庆
WANG Yong, E-mail: wy003236@163.com
Received:13 March 2025,
Revised:03 June 2025,
Published:15 July 2025
移动端阅览
李仕杰,李畑波,杨志鹏,等.Bentall术与单纯主动脉瓣置换术治疗二叶式主动脉瓣畸形合并重度狭窄及升主动脉扩张的中期疗效对比[J].陆军军医大学学报,2025,47(13):1505-1511.DOI:10.16016/j.2097-0927.202503049-李仕杰.
LI S J,LI T B,YANG Z P,et al.Midterm outcomes of Bentall procedure versus isolated aortic valve replacement for bicuspid aortic valve with severe stenosis and ascending aortic dilation[J].J Army Med Univ,2025,47(13):1505-1511.DOI:10.16016/j.2097-0927.202503049-李仕杰.
李仕杰,李畑波,杨志鹏,等.Bentall术与单纯主动脉瓣置换术治疗二叶式主动脉瓣畸形合并重度狭窄及升主动脉扩张的中期疗效对比[J].陆军军医大学学报,2025,47(13):1505-1511.DOI:10.16016/j.2097-0927.202503049-李仕杰. DOI:
LI S J,LI T B,YANG Z P,et al.Midterm outcomes of Bentall procedure versus isolated aortic valve replacement for bicuspid aortic valve with severe stenosis and ascending aortic dilation[J].J Army Med Univ,2025,47(13):1505-1511.DOI:10.16016/j.2097-0927.202503049-李仕杰. DOI:
目的
2
比较带主动脉瓣人工血管升主动脉替换术(Bentall术)与单纯主动脉瓣置换术(aortic valve replacement,AVR)治疗二叶式主动脉瓣畸形(bicuspid aortic valve, BAV)合并重度瓣膜狭窄及升主动脉扩张患者的中期疗效,以明确不同术式对该复合型心脏病变的干预价值。
方法
2
采用回顾性队列研究,收集2018年1月至2022年12月期间于陆军军医大学第二附属医院心血管外科接受手术治疗的BAV合并重度狭窄及升主动脉扩张病例96例,按手术方式分为AVR组(65例)和Bentall组(31例)。采集患者的人口学特征、基础疾病、术前状态及术前超声心动图参数,采用倾向性评分匹配法(propensity score matching method,PSM)对2组基线资料实施1∶1病例匹配,消除混杂因素影响后,对比分析围术期临床指标及术后随访结果。
结果
2
PSM成功筛选出25对匹配病例,匹配后的临床基线数据具有可比性(
P
>
0.05)。Bentall组术中人工瓣膜有效开口面积(effective orifice area, EOA)和有效开口面积指数(EOA index,EOAI)显著优于AVR组[(2.69±0.47)
vs
(2.35±0.47)cm²,
P
=0.013;(1.69±0.30)
vs
(1.47±0.29)cm
2
/m
2
,
P
=0.010)];但Bentall组的体外循环转流时间和阻断时间均显著长于AVR组[190.00(147.00,257.00)
vs
101.00(88.50,124.50)min,141.00(120.00,166.00)
vs
66.00(55.00,81.50)min,
P
<
0.001];在28个月的中位随访期间,AVR组主动脉窦部直径和升主动脉直径均显著大于Bentall组[32.00(30.00,34.00)
vs
26.80(26.00,28.00)mm,38.00(34.50,42.00)
vs
26.00(26.00,28.00)mm,
P
<
0.001],AVR的升主动脉仍在持续扩张,Bentall组直径基本没有发生变化;Bentall组的随访主动脉瓣峰值压差更小[21.00(15.50,27.00)
vs
25.00(19.50,31.00)mmHg,
P
=0.049)。
结论
2
Bentall术与AVR均为有效术式,但Bentall术在改善血流动力学和维持主动脉稳定性方面更具优势。
Objective To compare the midterm outcomes of the Bentall procedure versus isolated aortic valve replacement (AVR) in patients with bicuspid aortic valve (BAV) complicated with severe stenosis and ascending aortic dilation in order to assess the therapeutic value of these surgical approaches for this complex cardiac condition. Methods A retrospective cohort study was conducted on 96 eligible patients who underwent surgical treatment in our institute between January 2018 and December 2022. According to surgical approaches
they were divided into an AVR group (65 cases) and a Bentall group (31 cases). Demographic features
comorbidities
preoperative status
and echocardiographic parameters were collected in all patients. Propensity score matching (PSM) was applied in a 1∶1 ratio to balance baseline characteristics. Perioperative indicators and follow-up data were compared and analyzed between matched cohorts after control of cofounding factors. Results After PSM
25 matched pairs were screened out and analyzed with comparable baseline data (all
P
>
0.05). The Bentall group demonstrated significantly more superior intraoperative effective orifice area (EOA
2.69±0.47
vs
2.35±0.47 cm²
P
=0.013) and EOA index (EOAI
1.69±0.30
vs
1.47±0.29 cm²/m²
P
=0.010)
and obviously longer cardiopulmonary bypass time [190.00 (147.00
257.00)
vs
101.00 (88.50
124.50) min
P
<
0.01
]
and aortic cross-clamp time [141.00 (120.00
166.00)
vs
66.00 (55.00
81.50) min
P
<
0.01
]
when compared with the AVR group. During a median follow-up of 28 months
the AVR group had notably larger aortic sinus diameter [32.00 (30.00
34.00)
vs
26.80 (26.00
28.00) mm
P
<
0.01
]
and ascending aortic diameter [38.00 (34.50
42.00) mm
vs
26.00 (26.00
28.00) mm
P
<
0.01
]
with ongoing dilation in the ascending aorta
while the Bentall group maintained stable dimensions. The Bentall group also showed statistically lower peak aortic valve pressure gradients [21.00 (15.50
27.00)
vs
25.00 (19.50
31.00) mmHg
P
=0.049
]
. Conclusion Both Bentall procedure and AVR are effective in treatment of BAV complicated with severe stenosis and ascending aortic dilation. But
Bentall procedure offers advantages in hemodynamic optimization and aortic stability.
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