Overview
Muscular pulmonary atresia is not a recognized clinical condition; however, the provided abstracts discuss pulmonary atresia, a congenital heart defect characterized by the absence of the pulmonary valve or complete obstruction of the right ventricular outflow tract, impacting blood flow to the lungs.Diagnosis
Color Doppler echocardiography: Utilized to differentiate functional from anatomic pulmonary atresia, with vigorous crying aiding in assessing right ventricular ejection into the pulmonary artery 3.
Flexed-arm hang test: Not directly related to pulmonary atresia diagnosis but can assess muscular strength, particularly relative strength, which may indirectly influence overall physical performance in patients undergoing cardiac rehabilitation 2.Management
Percutaneous radiofrequency valvotomy: Effective for opening the pulmonary valve in neonates using a standard 5Fr electrode catheter; catheter tip modifications may enhance efficacy 4.
Transaortic balloon valvoplasty: An alternative approach involving transcatheter dilation of the pulmonary valve via a transaortic route, maintaining ductal patency with prostaglandin 5.Special Populations
Pediatrics: Neonates benefit from percutaneous interventions like radiofrequency valvotomy and balloon valvoplasty for pulmonary atresia management 45.Key Recommendations
Utilize color Doppler echocardiography to differentiate functional from anatomic pulmonary atresia, particularly noting the impact of physiological maneuvers like crying 3 (Evidence: Moderate).
Consider percutaneous radiofrequency valvotomy as a first-line treatment for neonates with pulmonary atresia, with potential for catheter design improvements to enhance outcomes 4 (Evidence: Weak).
Explore transaortic balloon valvoplasty as an adjunctive technique when percutaneous radiofrequency valvotomy is not feasible or effective 5 (Evidence: Weak).References
1 Gordon RA, Sokoloski ML, Zumbro EL, Irvine CJ, Oldham M, Morgan N. Skeletal muscle fitness and physiology as determinants of firefighter performance and safety: a narrative review. Ergonomics 2024. link
2 Clemons JM, Duncan CA, Blanchard OE, Gatch WH, Hollander DB, Doucet JL. Relationships between the flexed-arm hang and select measures of muscular fitness. Journal of strength and conditioning research 2004. link
3 Lee CL, Hsieh KS, Huang TC, Lin CC, Choong CS. Recognition of functional pulmonary atresia by color Doppler echocardiography. The American journal of cardiology 1999. link01045-5)
4 Wright SB, Radtke WA, Gillette PC. Percutaneous radiofrequency valvotomy using a standard 5Fr electrode catheter for pulmonary atresia in neonates. The American journal of cardiology 1996. link00210-x)
5 Coe JY, Chen RP, Dyck J, Byrne P. Transaortic balloon valvoplasty of the pulmonary valve. The American journal of cardiology 1996. link00244-5)