Cardiovascular surgery (London, England) · 2002
Long-term comparison of aortic arch replacement with or without elephant trunk procedure via retrograde cerebral perfusion for aortic arch dissection.
Сравнительное исследованиеОценочное исследованиеСтатьяНазвание и аннотация: Перевод в очереди
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Kirali Kaan, Omeroğlu Suat N, Ardal Hasan, Toker Mehmet E, Erdoğan Hasan B, Dağlar Bahadir, Balkanay Mehmet, Ipek Gökhan, Işik Omer, Yakut Cevat
Аннотация
OBJECTIVE: The aim of this study is to investigate the effects of the duration of retrograde cerebral perfusion (RCP) in patients with aortic arch dissection.
METHODS: Between 1993 and December 2000, 56 patients were operated on for aortic arch dissection. Elephant trunk procedure was performed in 28 patients (Group A) and semiarcus replacement in 28 patients (Group B). Type I dissection (P=0.003), chronic ethiology (P=0.006), medial degeneration (P<0.001), and preoperative hemodynamic instability (P=0.004) were observed significantly more in Group A. In both groups RCP was used for cerebral protection.
RESULTS: Hospital mortality was higher in Group A than Group B (32.1% versus 7.1%; P=0.015). Late mortality was observed only in Group A (10.5%; P=0.049). Actuarial survival was 55.1+/-11.55% in Group A and 91.67+/-5.64% in Group B at 5 yr (P=0.0113), while cumulative survival for all patients was 78.38+/-5.77% at 5 yr. RCP time was longer in Group A (62.7+/-16.8 versus 34.2+/-19.5 min; P<0.001). Forward stepwise logistic regression analysis showed that chronic obstructive pulmonary disease (P=0.014) and renal insufficiency (P=0.004) were significantly predictors for hospital mortality, whereas elephant trunk (P=0.052) and RCP (>60 min) (P=0.175) did not increase early mortality. Only hemodynamic instability was significantly (P=0.006) predictors for late mortality.
CONCLUSIONS: Preoperative severity of dissection, hemodynamic instability or organ dysfunctions impair early or late outcome. Elephant trunk technique with increased RCP time do not increase early or late mortality. To shorten RCP time (<60-65 min) can improve surgical results.
METHODS: Between 1993 and December 2000, 56 patients were operated on for aortic arch dissection. Elephant trunk procedure was performed in 28 patients (Group A) and semiarcus replacement in 28 patients (Group B). Type I dissection (P=0.003), chronic ethiology (P=0.006), medial degeneration (P<0.001), and preoperative hemodynamic instability (P=0.004) were observed significantly more in Group A. In both groups RCP was used for cerebral protection.
RESULTS: Hospital mortality was higher in Group A than Group B (32.1% versus 7.1%; P=0.015). Late mortality was observed only in Group A (10.5%; P=0.049). Actuarial survival was 55.1+/-11.55% in Group A and 91.67+/-5.64% in Group B at 5 yr (P=0.0113), while cumulative survival for all patients was 78.38+/-5.77% at 5 yr. RCP time was longer in Group A (62.7+/-16.8 versus 34.2+/-19.5 min; P<0.001). Forward stepwise logistic regression analysis showed that chronic obstructive pulmonary disease (P=0.014) and renal insufficiency (P=0.004) were significantly predictors for hospital mortality, whereas elephant trunk (P=0.052) and RCP (>60 min) (P=0.175) did not increase early mortality. Only hemodynamic instability was significantly (P=0.006) predictors for late mortality.
CONCLUSIONS: Preoperative severity of dissection, hemodynamic instability or organ dysfunctions impair early or late outcome. Elephant trunk technique with increased RCP time do not increase early or late mortality. To shorten RCP time (<60-65 min) can improve surgical results.