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Arch. cardiol. Méx ; 88(5): 454-459, dic. 2018. graf
Article in English | LILACS | ID: biblio-1142156

ABSTRACT

Abstract Objective: To present the current in-hospital outcomes and mid-term survival of acute type A aortic dissection (AAAD) surgery performed by a group of dedicated high-volume thoracic aortic surgeons in a University Hospital in Argentina. Methods: A retrospective analysis of prospectively collected data over a 6-year period (2011---2016) was performed on a consecutive series of 53 adult patients who underwent emer- gency cardiac surgery for AAAD in the Buenos Aires University Hospital in Argentina. Results: A mean of 8.8 AAAD repairs were performed yearly during the 6-year period. In-hospital mortality was 17%, and was statistically equivalent to the expected operative mortality rate of 21% (EuroSCORE II) (observed-to-expected mortality ratio 0.81; p = 0.620). New neurological deficit appeared postoperatively in 6% of cases, and the observed major postoperative morbidity rate was 42%. All-cause death cumulative survival probability was 0.711 (SE 0.074), with a mean follow-up period of 49.2 (SE 5.0) months. Cumulative survival probability for in-hospital survivors was 0.903 (SE 0.053), with a mean follow-up period of 62.5 (SE 3.6) months. Conclusion: Although the present results do not reach international standards, AAAD surgery in our institution was associated with an acceptable mortality risk and satisfactory mid-term survival compared with previous local studies. In addition to in-hospital mortality, the incidence of new permanent neurological deficit after surgery must be considered the most devastating complication to avoid. Patient-focused care in referral aortic centers with surgery performed by specialized teams should be encouraged in order to improve surgical outcomes in acute aortic dissection surgery in Argentina.


Resumen Objetivo: Presentar los resultados hospitalarios actuales y la supervivencia a mediano plazo de la cirugía de la disección aguda aórtica tipo A (DAAA) realizada por un grupo de cirujanos de alto volumen de cirugías en un Hospital Universitario de Argentina. Método: Se realizó un análisis retrospectivo de datos recolectados en forma prospectiva durante 6 años (2011-2016) de una serie de 53 adultos sometidos a cirugía de emergencia por DAAA en un Hospital Universitario de Buenos Aires, Argentina. Resultados: Durante 6 años se operaron en promedio 8.8 DAAA por año. La mortalidad hospitalaria fue del 17% y estadísticamente equivalente a una tasa de mortalidad esperada del 21% por el EuroSCORE II (razón de mortalidad observada/esperada 0.81; p = 0.620). El déficit neurológico postoperatorio apareció en el 6% de los casos, y la tasa de morbilidad mayor fue del 42%. La probabilidad acumulada de supervivencia fue de 0.711 (EE 0.074), con un promedio de seguimiento de 49.2 (EE 5.0) meses. La supervivencia acumulada descartando la mortalidad operatoria fue de 0.903 (EE 0.053), con un promedio de seguimiento de 62.5 (EE 3.6) meses. Conclusiones: Aunque estos resultados no alcanzan los estándares internacionales, la cirugía de la DAAA en nuestra institución estuvo asociada a un riesgo aceptable de mortalidad y una supervivencia satisfactoria a mediano plazo comparadas con estudios previos locales. Además de la mortalidad, la incidencia de daño neurológico permanente después de la cirugía debe considerarse la complicación más devastadora a evitar.


Subject(s)
Humans , Male , Female , Middle Aged , Aged , Postoperative Complications/epidemiology , Hospital Mortality , Aortic Aneurysm, Thoracic/surgery , Aortic Dissection/surgery , Argentina , Time Factors , Acute Disease , Retrospective Studies , Follow-Up Studies , Treatment Outcome , Aortic Aneurysm, Thoracic/mortality , Hospitals, University , Aortic Dissection/mortality
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