李慕子

中国医学科学院阜外医院 超声科

Clinical and echocardiographic characteristics of cardiac blood cysts.

BACKGROUND:Cardiac blood cysts (BCs) are rare benign cardiac masses. This study aimed to summarize the clinical and echocardiographic characteristics and clinical outcomes of patients with BCs.METHODS:This retrospective study enrolled patients diagnosed with BC between 2009 and 2021 at a single center in China. Their clinical and echocardiographic characteristics, management, and outcomes at follow-up are summarized.RESULTS:The study population comprised 26 patients with BCs with a mean age of 40 ± 19 years (median, 42 years; range, 27-56 years). The cohort was predominantly male (16, 62%). Twenty-two (81%) patients were symptomatic: dyspnea or exertional dyspnea (11, 42%) and palpitations (6, 23%) were the most frequent symptoms. Most cysts appeared as single round, oval, or lobulated anechoic masses, measuring 4-30 mm (mean, 18 mm). Half of the BCs (13, 50%) were pedunculated and mobile, and the others swung with the movement of the valve. The mitral valve (13, 50%) was the most common site of occurrence, followed by the tricuspid valve (6, 23%), right atrium (4, 15%), and aortic valve (3, 12%). Contrast echocardiography, which was performed for two patients, revealed a closed cyst without bubbles. Five cases were complicated by left ventricular outflow tract obstruction and six by valve prolapse. Eighteen patients underwent surgery, and one received antiplatelet therapy. Cardiovascular or cerebrovascular events did not occur in any patient during the follow-up period.CONCLUSION:Cardiac BCs are most commonly attached to the atrioventricular valve. Echocardiography is considered to be the most useful imaging modality for assessing BC. The management of patients with BC should be individualized based on the symptoms and associated complications.

2.5
3区
第一作者

Journal of cardiology 2022

Echocardiography in the diagnosis of Shone's complex and analysis of the causes for missed diagnosis and misdiagnosis.

BACKGROUND:Shone's complex is a rare syndrome characterized by congenital left heart defects that can differ among the patients.AIM:To use echocardiography in the diagnosis of Shone's complex and analyze the causes of missed diagnosis and misdiagnosis.METHODS:This was a retrospective study of patients who underwent echocardiography and repair surgery from February 14, 2008, to November 22, 2019. The patients were followed once a year at the outpatient clinic after surgery.RESULTS:Sixty-six patients were included. The patients were 2.7 (0.8-5.6) years of age, and 54.5% were male. Ten (15.2%) had a history of heart surgery. The most common heart defect was the Annulo-Leaflet mitral ring (ALMR) (50/66, 75.8%), followed by coarctation of the aorta (CoA) (43/66, 65.2%). The patients had a variety of combinations of defects. Only two (3.0%) patients had all four defects. None of the patients had a family history of congenital heart disease. The preoperative echocardiographic findings were examined against the intraoperative findings. Echocardiography missed an ALMR in 31 patients (47.0%), a parachute mitral valve (PMV) in one patient (1.5%), subaortic stenosis in one patient (1.5%), and CoA in two patients (3.0%).CONCLUSION:Echocardiography is an effective method to diagnose the Shone's complex. Due to this disease's complexity and interindividual variability, Improving the understanding of the disease can reduce misdiagnosis and missed diagnosis.

1.1
4区

World journal of clinical cases 2022

One-stage repair of transposition complex and interrupted aortic arch in children.

BACKGROUND/AIM:A transposition complex with an interrupted aortic arch (IAA) is rare and surgically challenging because of its anatomical diversity and complexity. Herein, we aimed to present our 20-year experience with one-stage arterial switch surgery associated with IAA repair.METHODS:From January 2000 to April 2017, 11 patients were diagnosed with transposition complex and IAA and underwent one-stage repair at our center. These patients were retrospectively reviewed. Two patients had transposition of the great arteries, while the others had double outlet right ventricles, of whom eight had subpulmonary ventricular septal defects (VSDs; Taussig-Bing anomalies), and one had a noncommitted VSD. In terms of the IAA, three patients underwent repair by extended end-to-end anastomosis, and one 16-mm prosthetic vascular graft was replaced in an elder patient. The remaining patients underwent autologous pericardial patch enlargement. All the variables were summarized and reported with descriptive statistics.RESULTS:Three early deaths occurred in this study. The median follow-up time was approximately 5 years (range: 3-14 years). No late deaths were reported. Only one patient required percutaneous re-intervention for recurrent coarctation. Moderate aortic regurgitation was observed in three patients. However, there was no requirement for aortic valvuloplasty or valve replacement. One patient had more than moderate tricuspid regurgitation. The other survivors are presently healthy.CONCLUSIONS:Although one-stage repair for transposition complex and IAA still has non-negligible mortality even in older children, the late outcomes of survivors are acceptable. Owing to the high rate of valve regurgitation, closer follow-up is necessary for these patients.

1.6
4区

Journal of cardiac surgery 2022

Left Circumflex Artery-Left Atria Fistula Treated With Transcatheter Closure.

7.5
1区

Circulation. Cardiovascular imaging 2021

Clinical Application of a Fully Ultrasound-Guided Transapical Transcatheter Mitral Valve Replacement Device.

11.3
1区

JACC. Cardiovascular interventions 2020

Ultrasound-Guided Percutaneous Balloon Aortic Valvuloplasty for Aortic Stenosis.

Percutaneous balloon aortic valvuloplasty (PBAV), which is used to treat symptomatic aortic stenosis, requires ionizing radiation and contrast agent for imaging guidance. The aim of the study is to evaluate the feasibility and effectiveness of ultrasound-guided PBAV in patients with aortic stenosis. This case series included 30 patients (14 males; mean age, 61.5 ± 4.5 years) with moderate/severe aortic stenosis treated with ultrasound-guided PBAV at the Ultrasound Department, Fuwai Hospital, Beijing, China, between January 2016 and July 2019. Cardiac function (New York Heart Association grade) was assessed before PBAV and 1 month after the procedure. Aortic peak jet velocity, aortic valve orifice area (AVA), mean transvalvular pressure gradient (MTPG), left ventricular end-diastolic diameter (LVDD), left ventricular ejection fraction (LVEF), and left ventricular end-systolic diameter (LVESD) were determined before and immediately after PBAV using Doppler echocardiography. Preprocedural cardiac function was grade I in 3 cases, grade II in 9 cases, grade III in 10 cases, and grade IV in 8 cases. Postprocedural cardiac function was grade I in 22 cases, grade II in 4 cases, and grade III in 4 cases, suggesting that cardiac function was improved by PBAV. Ultrasound-guided PBAV resulted in significant improvements (P < 0.05) in aortic peak jet velocity (3.68 ± 0.811 m/s vs. 4.79 ± 0.63 m/s), MTPG (33.77 ± 13.85 mmHg vs. 54.54 ± 13.81 mmHg), AVA (1.96 ± 0.25 cm2 vs. 0.98 ± 0.12 cm2), LVEDD (51.90 ± 3.21 mm vs. 65.60 ± 6.81 mm), LVEF (63.46 ± 11.29% vs. 56.31 ± 11.04%), and LVESD (35.50 2.62 mm vs. 45.20 ± 2.42 mm). Ultrasound-guided PBAV is feasible and achieves good short-term effects in patients with aortic stenosis.

2.1
3区

Journal of interventional cardiology 2020

Percutaneous aortic balloon valvuloplasty under echocardiographic guidance solely.

BACKGROUND:Percutaneous balloon aortic valvuloplasty (PBAV) is an alternative to surgical valvulotomy for the treatment of congenital aortic stenosis (AS). This article aims to summarize our preliminary experience on feasibility and safety of PBAV under only echocardiographic guidance in patients with congenital AS.METHODS:Clinical data from 20 consecutive patients with aortic valve stenosis who underwent PBAV under only echocardiographic guidance at Fuwai Hospital from January 2016 to January 2019 were analyzed retrospectively. Median age of patients was 18.38±15.88 years and 65% of the patients were male. Aortic annulus diameter was 18.40±3.25 mm and balloon diameter was 17.38±3.89 mm, with B/A ratio of 0.93±0.06.RESULTS:All the patients successfully underwent PBAV. The peak transaortic gradient (TG) significantly decreased from 81.59±24.91 (range, 58-112) mmHg preoperatively to 36.32±12.83 (range, 16-51) mmHg (P=0.000) immediately post operation, without significant difference in aortic regurgitation (AR). At mean 24.31±17.35 months follow-up, peak TG was 37.06±13.52 (range, 21-58) mmHg which was not significantly different from the immediate postoperative value (P=0.65).CONCLUSIONS:In this retrospective, single center study, systematic use of Doppler echocardiography as only guidance modality for PBAV was feasible and associated with a high success rate and a very low complication rate.

2.5
3区

Journal of thoracic disease 2020