scholarly journals Utility of a modified vascular corrosion casting technique in the diagnosis of fetal total anomalous pulmonary venous connection

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Jiaqi Zhang ◽  
Wei Feng ◽  
Qiaoyue He ◽  
Hongzhi Guo ◽  
He Zeng ◽  
...  
Keyword(s):  
Teaching Method ◽  
Ductus Arteriosus ◽  
Vena Cava ◽  
Brachiocephalic Vein ◽  
Corrosion Casting ◽  
Casting Technique ◽  
Congenital Cardiac Malformation ◽  
Double Inferior Vena Cava ◽  
Bilateral Ductus Arteriosus ◽  
Anomalous Pulmonary Venous Connection

AbstractTotal anomalous pulmonary venous connection (TAPVC) is a rare congenital cardiac malformation, and prenatal detection of TAPVC malformation remains a challenging. TAPVC can be easily missed or misdiagnosed in prenatal examinations. This study was aimed to use the modified vascular corrosion casting technique to prepare fetal cardiovascular casts with TAPVC and investigate the utility of cardiovascular casting for the demonstration of fetal TAPVC. The retrospective study enrolled twenty fetuses (22 to 29 + 4 gestational weeks) with TAPVC diagnosed by prenatal echocardiography and casting technique from May 2015 to May 2020. Pre- and postnatal medical records, including results obtained by prenatal ultrasound, postpartum computed tomography angiography, as well as anatomic and cardiovascular casting findings were carefully reviewed and analyzed. In twenty cases, 80% (16/20) had intra- or extracardiac malformations. The TAPVC types were supracardiac (n = 8), cardiac (n = 6), infracardiac (n = 4), and mixed (n = 2). The diagnosis of 1 case each of supracardiac and cardiac TAPVC was modified to partial anomalous pulmonary venous connection; additionally, 4 malformations were missed and 2 were misdiagnosed, including an anomalous left brachiocephalic vein in supracardiac TAPVC, abnormal inflow of the hepatic vein and a double inferior vena cava in infracardiac TAPVC; and bilateral ductus arteriosus in infracardiac TAPVC; a tetralogy of Fallot in cardiac TAPVC that was corrected to right ventricular double outlet; and an absence of ductus arteriosus that was misdiagnosed as slim ductus arteriosus. Comparing with ultrasound, casting technique has its own superiority in exhibiting TAPVC abnormalities, especially in certain types such as course, origin and absence abnormalities of ductus. Postpartum cardiovascular casts can accurately depict the branch structure of the heart’s larger vessels, and may be used as a clinical assessment and teaching method in complex cardiac malformations.

scholarly journals Utility of modified vascular corrosion casting technique in the diagnosis of fetal ductus arteriosus abnormalities

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Yu Wang ◽  
Jiaqi Zhang ◽  
He Zeng ◽  
Haiyan Cao ◽  
Ziyi Si ◽  
...  
Keyword(s):  
Ductus Arteriosus ◽  
Corrosion Casting ◽  
Casting Technique

Some quantitative applications of vascular corrosion casting

1992 ◽  
Vol 50 (1) ◽  
pp. 738-739
Author(s):  
Fred E. Hossler
Keyword(s):  
Blood Vessels ◽  
Nuclear Orientation ◽  
Three Dimensional ◽  
Surrounding Tissue ◽  
Confocal Laser ◽  
Corrosion Casting ◽  
Venous Valve ◽  
Casting Technique ◽  
Low Viscosity ◽  
Quantitative Measurements

Preparation of replicas of the complex arrangement of blood vessels in various organs and tissues has been accomplished by infusing low viscosity resins into the vasculature. Subsequent removal of the surrounding tissue by maceration leaves a model of the intricate three-dimensional anatomy of the blood vessels of the tissue not obtainable by any other procedure. When applied with care, the vascular corrosion casting technique can reveal fine details of the microvasculature including endothelial nuclear orientation and distribution (Fig. 1), locations of arteriolar sphincters (Fig. 2), venous valve anatomy (Fig. 3), and vessel size, density, and branching patterns. Because casts faithfully replicate tissue vasculature, they can be used for quantitative measurements of that vasculature. The purpose of this report is to summarize and highlight some quantitative applications of vascular corrosion casting. In each example, casts were prepared by infusing Mercox, a methyl-methacrylate resin, and macerating the tissue with 20% KOH. Casts were either mounted for conventional scanning electron microscopy, or sliced for viewing with a confocal laser microscope.

Supracardiac Total Anomalous Pulmonary Venous Connection

KYAMC Journal ◽  
2019 ◽  
Vol 10 (2) ◽  
pp. 118-121
Author(s):  
ASM Shariful Islam ◽  
Md Lutfar Rahman ◽  
Jayanta Kumar Saha ◽  
Mohammad Arifur Rahman ◽  
Mezanur Rahman ◽  
...  
Keyword(s):  
Left Atrium ◽  
Ductus Arteriosus ◽  
Pulmonary Veins ◽  
Hypertensive Crisis ◽  
Right Heart Failure ◽  
Residual Shunt ◽  
Low Cardiac Output Syndrome ◽  
Vertical Vein ◽  
Autologous Pericardial Patch ◽  
Anomalous Pulmonary Venous Connection

Total anomalous pulmonary venous connection (TAPVC) is a rare congenital heart disease in which there is developmental absence of connection of all four pulmonary veins with the left atrium. To report a rare case and share our experience in surgery and post-operative management for supracardiac TAPVC. Patient with supracardiac TAPVC with atrial septal defect (ASD) secundum variety with rudimentary patent ductus arteriosus (PDA) underwent rechanneling of pulmonary veins to left atrium (LA) with gluteryldehye treated autologous pericardial patch closure of ASD with ligation of ascending vertical vein and ligation of rudimentary PDA.Post operatively there were no events of pulmonary hypertensive crisis, low cardiac output syndrome, right heart failure or conduction defect were observed and echocardiogram showed adequate pulmonary venous drainage with no residual shunt across the interatrial septum. Marked development in surgical results of TAPVC has been observed in recent years with declining mortality rate from 65% in early sixties to 5% in current surgical scenerio. KYAMC Journal Vol. 10, No.-2, July 2019, Page 118-121

P20 A microscopic study of the colon by means of a vascular corrosion casting technique.

2001 ◽  
Vol 199 (1-2) ◽  
pp. 227-228
Author(s):  
M. BREVET ◽  
O. PLAISANT ◽  
C. GILLOT ◽  
P. COSTIOU ◽  
M. D. DIEBOLD
Keyword(s):  
Microscopic Study ◽  
Corrosion Casting ◽  
Casting Technique

Partial Anomalous Pulmonary Venous Connection: Forty-Six Years of Follow-Up

2021 ◽  
Vol 12 (1) ◽  
pp. 70-75
Author(s):  
Anne Kathrine M. Nielsen ◽  
Vibeke E. Hjortdal
Keyword(s):  
Superior Vena Cava ◽  
Superior Vena ◽  
Sinus Node ◽  
Vena Cava ◽  
Node Disease ◽  
Sinus Node Disease ◽  
Patch Technique ◽  
Anomalous Pulmonary Venous Connection

Background: Surgical repair of partial anomalous pulmonary venous connection (PAPVC) may disturb the electrical conduction in the atria. This study documents long-term outcomes, including the late occurrence of atrial tachyarrhythmia and bradyarrhythmia. Methods: This retrospective study covers all PAPVC operations at Aarhus University Hospital between 1970 and 2010. Outcome measures were arrhythmias, sinus node disease, pacemaker implantation, pathway stenosis (pulmonary vein(s), intra-atrial pathway, and/or superior vena cava), and mortality. Data were collected from databases, surgical protocols, and hospital records until May 2018. Results: A total of 83 patients were included with a postoperative follow-up period up to 46 years. Average age at follow-up was 43 ± 21 years. During follow-up, new-onset atrial fibrillation or atrial flutter appeared in four patients (5%). Sinus node disease was present in nine patients (11%). A permanent pacemaker was implanted in seven patients (8%) at an average of 12.7 years after surgery. Pulmonary venous and/or superior vena cava obstruction was seen in five patients (6%). Stenosis was most prevalent in the two-patch technique, and arrhythmia was most prevalent in the single-patch technique. Sixty-seven (81%) of 83 patients had neither bradyarrhythmias nor tachyarrhythmias or pacemaker need. Conclusions: This study contributes important long-term data concerning the course of patients who have undergone repair of PAPVC. It confirms that PAPVC can be operated with low postoperative morbidity. However, late-onset stenosis, bradyarrhythmias and tachyarrhythmias, and need for pacemaker call for continued follow-up.

Assessment of superior vena cava flow and cardiac output in different patterns of patent ductus arteriosus shunt

2021 ◽  
Author(s):  
Adrianne Rahde Bischoff ◽  
Regan E. Giesinger ◽  
Amy H. Stanford ◽  
Ravi Ashwath ◽  
Patrick J. McNamara
Keyword(s):  
Cardiac Output ◽  
Patent Ductus Arteriosus ◽  
Superior Vena Cava ◽  
Superior Vena ◽  
Ductus Arteriosus ◽  
Vena Cava ◽  
Patent Ductus
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