Hoffmann's Variant of Tetralogy of Fallot
Based on the provided evidence, there is no mention or definition of "Hoffmann's variant" of tetralogy of Fallot in any of the guideline or research documents provided. The most recent and comprehensive AATS 2022 expert consensus document on TOF management 1 does not reference this terminology, nor do any of the other high-quality sources addressing TOF and its variants 2, 3, 4.
What the Evidence Shows
The available guidelines and research discuss:
Classic TOF anatomy: The four cardinal features (right ventricular outflow tract obstruction, ventricular septal defect, overriding aorta, and right ventricular hypertrophy) 3
Recognized TOF variants that were explicitly excluded from the AATS guidelines include:
- Pulmonary atresia
- Absent pulmonary valve syndrome
- TOF with atrioventricular septal defects 1
TOF spectrum: The guidelines acknowledge that "Tetralogy of Fallot with pulmonary stenosis presents on a spectrum" 1, but no specific named variants like "Hoffmann's" are identified
Clinical Implication
This term does not appear in contemporary congenital heart disease literature or guidelines. If you encountered this terminology in clinical practice, it may be:
- An outdated or regional nomenclature not in current use
- A misattribution or confusion with another eponymous variant
- Referring to a specific anatomical subtype described in older literature that has since been reclassified
For accurate clinical communication and management, use the standardized terminology found in current guidelines 1 when describing TOF and its recognized anatomical variants.