International practice heterogeneity in pre-transplant management of pulmonary hypertension related to pediatric left heart disease.
Pediatr Transplant
; 27(2): e14461, 2023 03.
Article
en En
| MEDLINE
| ID: mdl-36593638
ABSTRACT
BACKGROUND:
Elevated pulmonary vascular resistance (PVR) in the setting of left heart failure may contribute to poor outcomes after pediatric heart transplant (HTx), but peri-transplant management is variable.METHODS:
We sought to characterize international practice by surveying physicians at pediatric HTx centers.RESULTS:
We received 49 complete responses from 39 centers in 16 countries. Most respondents are pediatric cardiologists (90%), practice at centers offering heart (86%) and lung (55%) transplant, and perform pre-HTx acute vasoreactivity testing (AVT, 88%) in patients with elevated PVR. Half (51%) reported defining a PVR cutoff for HTx eligibility as ≤6 WU m2 (56%) post-AVT (84%). The highest post-AVT PVR ever accepted for HTx ranged from 3-14.4 (median 6) WU m2 . To treat elevated pre-transplant PVR, phosphodiesterase type 5 inhibitors are most common (65%) followed by oxygen (31%), nitric oxide (14%), endothelin receptor antagonists (11%), and prostacyclins (6%). Nearly a third (31%) do not routinely use pulmonary vasodilators without implantation of a left ventricular assist device (LVAD). Case scenarios highlight treatment variability in a restrictive cardiomyopathy scenario, HTx listing with post-transplant vasodilator therapy was favored, whereas in a Shone's complex patient with fixed PVR, LVAD ± pulmonary vasodilators followed by repeat catheterization was most common. Management of dilated cardiomyopathy with reactive PVR was variable. Most continue vasodilator therapy until HTx (16%), PVR normalizes (16%) or ≤6 months.CONCLUSIONS:
Management of elevated PVR in children awaiting HTx is heterogenous. Evidence-based guidelines are needed to allow for longitudinal determination of optimal outcomes and standardized care.Palabras clave
Texto completo:
1
Bases de datos:
MEDLINE
Asunto principal:
Corazón Auxiliar
/
Trasplante de Corazón
/
Insuficiencia Cardíaca
/
Hipertensión Pulmonar
Tipo de estudio:
Guideline
/
Observational_studies
/
Qualitative_research
/
Risk_factors_studies
Límite:
Child
/
Humans
Idioma:
En
Revista:
Pediatr Transplant
Asunto de la revista:
PEDIATRIA
/
TRANSPLANTE
Año:
2023
Tipo del documento:
Article
País de afiliación:
Estados Unidos