PHARMATEK · Cardiovasculaire

Calculateur de la surface valvulaire aortique

Calculer la surface effective brute de la valve aortique à partir d’une seule étude échocardiographique vérifiée d’une valve native chez l’adulte avec l’équation de continuité Doppler.

Révision clinique en cours

La révision clinique doit être complétée.

Cet outil fait partie de la bibliothèque PharmaTek. Son calcul reste indisponible au public jusqu’à la validation de sa formule, de ses limites et de ses sources.

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Sources, population et validation

État: clinical-review-pending
Version de la méthode: Adult native-aortic-valve Doppler continuity-equation arithmetic v1: LVOT cross-sectional area is either derived as π × (LVOT diameter [cm] / 2)^2 or supplied as an explicitly measured direct echocardiographic LVOT area [cm²]; effective aortic valve area [cm²] = LVOT area [cm²] × LVOT pulsed-wave systolic VTI [cm] / aortic-valve continuous-wave systolic VTI [cm]. Diameter accepts cm or mm, direct area accepts cm² or mm², and outputs are raw and unrounded
Population: Adults undergoing a resting assessment of a native aortic valve for whom the Doppler continuity equation is independently established as applicable. LVOT geometry, pulsed-wave LVOT VTI, and continuous-wave aortic-valve VTI must come from one technically adequate echocardiographic examination under a comparable hemodynamic state, with verified measurement identities, acquisition levels, Doppler alignment, beat averaging or matched-RR acquisition, units, and source values. Direct LVOT area must be an echocardiographic measurement corresponding to the adopted acquisition level.
Limites et exclusions: Pediatric, prosthetic-valve, stress or projected-area, hybrid CT/echo, anatomic valve planimetry, or intervention-planning use; measurements from different studies or hemodynamic states; inferred or mixed imaging identities; or an LVOT area from CT silently combined with echocardiographic VTI measurements. · Dynamic subaortic obstruction, a subaortic membrane, an unusable or skewed LVOT flow profile, inadequate LVOT geometry, incorrect pulsed-wave sample placement, inadequate continuous-wave alignment, unverified beat averaging or matched-RR acquisition, or any other technically inadequate or unverified acquisition context. · Any stenosis cutoff, grade, category, diagnosis, prognosis, intervention threshold, procedure decision, monitoring recommendation, management guidance, treatment advice, or interpretation without the complete echocardiographic and clinical assessment.

Origine de l’outil PharmaTek

Outil importé de la bibliothèque PharmaTek de MDose. Aucune date de révision clinique indépendante n’est documentée dans cette version.

Bibliothèque source: PharmaTek · MDose
Version importée: 4b66536936ed
État de publication: Révision clinique en cours

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