Hybrid Approach: Defect Closure
Fig. 39.1 A large mid-muscular VSD delineated with epicardial echocardiography in a 4.8 kg patient. Epicardial echo can be useful as the probe can be used to mimic the desired…
Melody Valve Implantation in Pulmonary Position
Fig. 35.1 Melody percutaneous pulmonary valve, in the close (left) and open (right) position, mounted on a platinum-iridium stent 35.3.2 The Delivery System The delivery system, Ensemble, also manufactured by…
Creating an Interatrial Communication
Fig. 34.1 Static balloon dilation of restrictive atrial communication (a) 12 mm balloon inflated at mild pressure delineating the small atrial communication (b) full inflation stretches-tears the septum. 34.8 Stent…
Fetal Interventions
Fig. 16.1 Critical aortic stenosis in a 26 weeks’ gestational age hydropic fetus. (a) Pre-intervention echocardiographic assessment. Color flow mapping across the aortic valve (indicated by an arrow) showing tiny…
Endomyocardial Biopsies
Scenario number Clinical scenario Class of recommendation (I, IIa, IIb, III) Level of evidence (A, B, C) 1 New-onset heart failure of <2 weeks’ duration associated with a normal-sized or…
Pericardiocentesis
Fig. 42.1 Echocardiographic four-chamber and long-axis view showing moderate pericardial effusion The urgency for drainage depends on the clinical picture, echo findings and patient history. 42.3 Indication for Pericardiocentesis These…
Vessel Embolization: Transcatheter Embolization of Pulmonary Arteriovenous Malformations and Aortopulmonary Collateral Arteries
Fig. 31.1 Amplatzer plug I (a). Amplatzer plug II (b). Amplatzer plug IV (c) 31.1.6.3 Techniques for Closing PAVM with Coils To date, the most common approach to closing PAVM…
Pulmonary Valve Stenosis
where ΔP is the pressure gradient and V is the peak Doppler flow velocity in the main pulmonary artery. However, the peak instantaneous Doppler gradient may overestimate the peak-to-peak catheter…
Unusual Access
Fig. 12.1 Ultrasound-guided puncture: Right axillary arterial access with ultrasound-guided puncture for ductal stenting of a complex ductus-dependent defect in a 3-day-old infant with a BW of 2.9 kg. A…