west china medical publishers
Keyword
  • Title
  • Author
  • Keyword
  • Abstract
Advance search
Advance search

Search

find Keyword "三尖瓣" 97 results
  • 三尖瓣乳头肌移植的研究

    目的 观察犬的三尖瓣乳头肌断裂后原位修复或异位修复后的组织愈合情况和功能状态,为临床工作提供实验依据. 方法 将12条杂交犬随机等分为4组,A组:前乳头肌原位移植;B组:前乳头肌异位移植;C组:后乳头肌原位移植;D组:后乳头肌异位移植.分别于术前、术后、术后4周观察心脏瓣膜关闭情况,测量血流动力学指标并观察术后4周乳头肌的组织学变化. 结果 4组犬术后血流动力学稳定,乳头肌原位或异位修复后组织愈合及瓣膜关闭良好. 结论 乳头肌离断后无论原位或异位移植均能良好愈合,修复后的乳头肌功能良好.

    Release date:2016-08-30 06:34 Export PDF Favorites Scan
  • 风湿性心脏病与非风湿性心脏病患者三尖瓣置换的病例对照研究

    目的分析三尖瓣置换患者的流行病学特征、治疗及随访情况,探讨提高三尖瓣置换疗效的策略。方法回顾性分析 2009 年 8 月至 2016 年 10 月 20 例在我院行三尖瓣置换患者的临床资料。男 4 例、女 16 例,年龄 31~73(54.4±2.2)岁。根据病因学分为风湿性心脏病组(14 例)及非风湿性心脏病组(6 例),比较两组患者术前情况、治疗方法、治疗结果及随访情况的差异。结果本组围手术期死亡 3 例,住院病死率 15.0%。死亡原因均为多器官功能衰竭。术后对 17 例出院患者进行了随访,随访率 100.0%,随访时间 1~84 个月,随访期间共有 2 例死亡。风湿性疾病组与非风湿性疾病组术前存在心房颤动/心房扑动心律(P=0.001)、术前有心脏手术史(P=0.017)、手术中是否进行主动脉阻断(P=0.032)差异有统计学意义。结论尽管风险较大,三尖瓣置换仍是针对器质性三尖瓣病变的有效手段,但需严格掌握手术指征及手术时机。风湿性三尖瓣疾病具有更多的危险因素,尤其是既往有左心瓣膜手术史继发三尖瓣关闭不全的患者。

    Release date:2018-03-28 03:22 Export PDF Favorites Scan
  • Correction of Ebstein’s Anomaly Using a Modified Carpentier’s Method

    Abstract: Objective To explore the clinical correction of Ebstein’s anomaly using a modified Carpentier’s method and summarize the clinical experience . Methods We retrospectively analyzed data for 13 consecutive patients( 6 males and 7 females, with an age of 26.8±13.5 years) with Ebstein’s anomaly who underwent operation in the First Affiliated Hospital of Anhui Medical University between June 2006 and August 2010. All patients underwent correction using a modified Carpentier’s method. Operative techniques included excising and suturing the right atrialized chamber; puckering and shortening the tricuspid annulus;detaching the septal and posterior leaflet and/or part of the anterior leaflet from the displaced annulus; broadening and enlarging the area of the posterior/septal valve leaflet using autologous pericardium, and reattaching them to the true tricuspid annulus;transecting and reimplanting the papillary muscle and chordae; and simultaneously correcting any other congenital malformations. Results All patients survived and recovered well. The cardiac functional grading ranged from Ⅰ to Ⅱ (New York Heart Association ). All patients were followed up for 3 to 15 months (average 8 months). Postoperative echocardiograpy showed disappearance of tricuspid incompetence in 10 patients and mild or moderate tricuspid incompetence in 3 patients. The patients’ tricuspid valve leaflets were all at the normal level. At three months and at one year postoperation, rechecked echocardiograpy showed opening and closing of the tricuspid and right ventricular function recovering well, with no obvious incompetence in 12 patients, and moderate tricuspid incompetence lightened to mild in 1 patient. All patients returned to normal work and life. Conclusion Our technique for correcting Ebstein’s anomaly using a modified Carpentier’s method had satisfactory early results. The patients’ right ventricles were effectively reshaped and recovered function through excising and suturing the right atrialized chamber, and favorable tricuspid valvuloplasty effect was achieved by reattaching the enlarged leaflets using autologous pericardium to the true tricuspid annulus, and by transecting and reimplantating the papillary muscle and chordae.

    Release date:2016-08-30 05:48 Export PDF Favorites Scan
  • Surgical Management of Ebstein Anomaly

    Objective To improve surgical results, the experience of surgical management of Ebstein anomaly in 36 cases is reported and reviewed. Methods Surgical procedures included tricuspid valve replacement (6 cases), Danielson’s operation (28 cases), Carpentier’s operation (2 cases), among them, there were 5 cases of ablation of right atrioventricular accessory pathway. Results Four patients died early after operation in the hospital, 3 from right heart failure (1 case of tricuspid valve replacement and 2 cas...

    Release date:2016-08-30 06:35 Export PDF Favorites Scan
  • 人工腱索移植治疗三尖瓣脱垂伴重度关闭不全

    目的初步探讨三尖瓣人工腱索移植术治疗三尖瓣脱垂伴重度关闭不全的安全性和可靠性,并总结其应用经验。方法回顾性分析 2006 年 10 月至 2019 年 8 月在上海交通大学医学院附属新华医院行三尖瓣人工腱索移植 15 例患者的临床资料,其中男 9 例、女 6 例,年龄 7~57 岁。分析手术临床效果。结果全组患者体外循环时间(86.5±35.9)min,主动脉阻断时间(56.5±21.5)min。无围术期死亡病例,术后 1 例患者出现并发症(窦性心动过缓、阵发性房室传导阻滞)。随访时间 5 个月至 10 年,随访期间无死亡患者,有 2 例(13.3%)患者出现轻度三尖瓣关闭不全,其余患者三尖瓣功能良好。结论人工腱索移植可以作为三尖瓣成形的有效治疗手段,该方法可有效纠正由于腱索断裂、冗长、缺如等原因导致的三尖瓣脱垂,并取得良好疗效。

    Release date:2020-12-31 03:27 Export PDF Favorites Scan
  • Perioperative protection for right heart in patients with apical displacement of tricuspid valve leaflets

    The apical displacement of tricuspid valve leaflets complicated with significantly enlarged, thin and fibrotic wall of the right ventricle is prone to dysfunction of right heart. Therefore, the myocardial protection for the right ventricle is important. Based on the pathological changes, an algorithm of perioperative myocardial protection strategy is summarized. Firstly, we should clearly know that the right ventricular myocardium with severe lesions is much different from the unimpaired myocardium, because it is now on the margin of failure; secondly, right heart protection should be regarded as a systematic project, which runs through preoperative, intraoperative and postoperative periods, and requires close collaboration among surgeons, perfusionists, anesthesiologists and ICU physicians. In this article, we try to introduce the systematic project of the right heart protection, in order to improve the outcome of this population.

    Release date:2020-12-31 03:27 Export PDF Favorites Scan
  • MC3 Ring for Functional Tricuspid Valve Regurgitation

    ObjectiveTo assess the method and the results of tricuspid annuloplasty performed(TVP) with the Edwards MC3 ring. MethodsWe retrospectively analyzed the clinical data of 312 patients with functional tricuspid regurgitation(FTR) secondary to left-sided valve disease in our hospital from June 2012 through May 2014. There were 147 males and 165 females at mean age of 55.7±7.3 years. ResultsThere was no death in the patients because of the planting of MC3 ring. The mean follow-up rate was 99.4%(310/312) for 2 patients immigration abroad. The follow-up time was 0-24(14.2±4.7) months. The ultrasoundcardiogram showed that all the ejection fraction(EF) of right ventricle improved compared with preoperation(P<0.05). The pulmonary artery systolic pressure(SPAP), both internal diameter and regurgitation volume of right ventricle were decreased(P<0.05). In the 310 patients, 302 patients(97.4%) were with the TR class 0-Ⅰ, 5 patients(1.6%) with class Ⅱ, 3 patients(1.0%) with class Ⅲ. There was no severe TR or no patient with reoperation. ConclusionThe MC3 ring is easy for planting and has good repeatability, which provides stable and satisfactory results for plasty of the tricuspid annulus with seldom residue or recurrent TR.

    Release date: Export PDF Favorites Scan
  • The application of minimally invasive tricuspid valvuloplasty technique with patch augmentation in reoperative cardiac surgery

    Objective To evaluate the efficacy of a combination of beating-heart minimally invasive approach and leaflets augmentation technique treating severe tricuspid regurgitation (TR) after cardiac surgery. Methods From January 2015 to August 2017, patients undergoing reoperative tricuspid valve repair (TVP) with minimally invasive approach and leaflets augmentation were enrolled. Cardiopulmonary bypass (CPB) was established via femoral vessels and the procedures were performed on beating heart with normothermic CPB. A bovine pericardial patch was sutured to leaflets to augment the native anterior and posterior leaflets. Other repair techniques, such as ring implantation and leaflet mobilization, were also applied as needed. Results A total of 28 patients (mean age 55.6±10.1 years, 5 males, 23 females) were enrolled. One patient was converted to median sternotomy due to pleural cavity adhesion. Twenty-seven patients underwent totally endoscopic TVP with leaflets augmentation. No patients was transferred to tricuspid valve replacement. Two patients died in hospital. All patients were followed up for 7.4±5.0 months and there was no late death and reoperation. Regurgitation area was converted from 20.7±10.1 cm2 to 3.3±3.3 cm2 after TVP according to the latest echocardiography (P<0.001). Conclusion Minimally TVP with leaflets augmentation is effective in treating severe isolated TR after primary cardiac surgery. It can significantly increase success rate of tricuspid valvuloplasty and decrease the surgical trauma.

    Release date:2018-06-26 05:41 Export PDF Favorites Scan
  • Clinical efficacy of transcatheter tricuspid valve replacement in cardiac implantable electronic lead-related tricuspid regurgitation: A multi-center retrospective cohort study

    ObjectiveTo analyze the clinical efficacy of transcatheter tricuspid valve replacement (TTVR) in cardiac implantable electronic lead-related tricuspid regurgitation (TR). MethodsThe patients with severe TR who underwent LuX-Valve TTVR in 9 Chinese medical centers from June 2020 to August 2021 were retrospectively enrolled. They were divided into a cardiac implantable electronic device (CIED) group and a non-CIED group based on whether they had pre-existing CIED implantation. Success of the procedure was defined as safe implantation of the LuX-Valve and complete withdrawal of the delivery system. Prognostic improvement was defined as a decrease of TR grade to≤2+ and an improvement of cardiac function by≥2 grades. Surgical success and postoperative prognosis were compared between the two groups. ResultsA total of 190 patients were collected, including 50 males and 140 females with a mean age of 66.2±7.8 years. There were 29 patients in the CIED group, and 161 patients in the non-CIED group. In the CIED group, 28 patients were implanted with a permanent pacemaker and 1 patient with a cardioverter-defibrillator. Preoperative New York Heart Association (NYHA) cardiac function class, TR degree, left ventricular ejection fraction, tricuspid annular plane systolic excusion, and cardiac risk scores were comparable between the two groups (P>0.05). Postoperative TR was reduced to≤2+ in all patients, and there was no statistical difference in the incidence of perivalvular leakage between the two groups (P=0.270). Postoperative CT of CIED patients showed the valve was in place, and the lead was not extruded, twisted, or deflected. The in-hospital mortality of the two groups were 10.3% and 1.9%, respectively, and the difference was statistically significant (P=0.047). In addition, there was no statistical difference between the two groups in terms of postoperative improvement of cardiac function and mortality in the 1- and 2-year follow-up. ConclusionTTVR is feasible, safe, and effective in patients with CIED implantation, and the pre-existing lead has no significant effect on the clinical efficacy.

    Release date:2024-05-28 03:37 Export PDF Favorites Scan
  • 三尖瓣关闭不全外科治疗282例

    目的 探讨三尖瓣关闭不全(TI)外科治疗时机、手术方式与疗效的关系。 方法 回顾性分析中山大学附属第一医院2003年1月至2010年10月手术治疗的282例TI患者的临床资料,其中男115例,女167例;年龄(42.00±15.90) 岁。按手术方式分为三尖瓣置换术(TVR)34例,三尖瓣成形术(TVP)248例(包括改良De Vega成形术、Kay’s成形术、瓣裂修补术、人工瓣环成形术),评价患者疗效。 结果 术后早期死亡13例,死于低心排血量综合征7例,室性心律失常3例,感染性休克2例,心脏破裂1例。早期死亡率为4.61% (13/282)。手术时间(167.47±37.34) min,体外循环时间(109.67±27.98) min,主动脉阻断时间(66.20±18.42) min,住院时间(16.46±5.29) d。术后1年随访249例,三尖瓣反流改善总有效率为90.76% (226/249)),其中改良De Vega成形术有效率为91.41% (117/128),Kay’s成形术为80.49% (33/41),瓣裂修补术为92.31% (24/26),人工瓣环成形术为96.00% (24/25),TVP为96.55%(28/29)。术后肺动脉压较术前明显降低(P<0.01),右心室内径缩小。 结论 对中-重度TI或瓣环明显扩大者,应积极手术干预;Kay’s成形术后三尖瓣反流复发率较高,人工瓣环成形术效果良好;对于瓣膜发育不良或毁损者应首选TVR。

    Release date:2016-08-30 05:50 Export PDF Favorites Scan
10 pages Previous 1 2 3 ... 10 Next

Format

Content