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Article in Chinese | WPRIM | ID: wpr-711800


Objective Evaluate the surgical result of ascending aorta-abdominal aorta bypass combined with cardiac op-eration for adults aortic coarctation concomitant with cardiac diseases.Methods Between February 2009 and September 2012, total 24 consecutive patients underwent ascending aorta-abdominal aorta bypass combined with cardiac operation.Of these pa-tients, 2 patients who underwent off-pump coronary artery bypass grafting combined with ascending aorta-abdominal aorta by-pass did not required cardiopulmonary bypass.Other 22 patients underwent one stage repair under cardiopulmonary bypass. The mean artery pressure of upper-lower limb was(38.0 ±9.34)mmHg.Results There was no in-hospital mortality.The mean artery pressure of upper-lower limb was(11.44 ±2.59)mmHg.The mean cardiopulmonary bypass time was(107.27 ± 34.56) min.The mean aorta clamp time was(72.59 ±28.98)min.The mean intensive care unit stay time is(35.22 ± 50.41)h.The mean mechanical ventilation time was(19.50 ±17.64)h.2 patients required prolonged mechanical ventilation for respiratory dysfunction.Of these 2 patients, 1 patient required ECMO support for respiratory failure.Total 1 patient needed temporary continuous renal replacement therapy.No re-exploration for bleeding and gastrointestinal complications were ob-served.Aorta CTA scan was performed for all patients before discharged from hospital.The grafts were patent for all patients and no graft-related complications were observed.Conclusion Ascending aorta-abdominal aorta bypass combined with cardiac operation is a safe and effective one stage repair technique for adults aortic coarctation concomitant with cardiac diseases is a safe and effective technique.

Article in Chinese | WPRIM | ID: wpr-711755


Objective To explore the mid-term results of the staged total aortic replacement in Stanford type A aortic dissection.Methods During March 2009 to September 2016,a total of 49 patients with Stanford type A aortic dissection in Beijing Anzhen Hospital cardiovascular center underwent total aortic replacement with a median age of 36 (27,41 years),male 36 (73.5%) cases.30 (61.2%) cases of them combined with Marfan syndrome.Results The interval between two stage operation was 23 (10,57) months.In the first stage operation,45 (91.8%) cases underwent Sun's procedure,2 (4.1%) underwent total aortic arch replacement,2 (4.1%) cases underwent classic elephant trunk and total aortic arch replacement.All patients underwent thoracoabdominal aortic repair(TAAAR).Deep hypothermic circulatory arrest surgery was 12(24.5%)cases in the second stage.7 (14.3%)cases dead postoperative.Spinal cord related complications happened in 3 (6.1%) cases with stroke in 2(4.1%) cases,acute renal insufficiency in 7(14.3 %) cases,respiratory insufficiency in 7 cases (14.3%),re-operation for hemostasis in 3 (6.1%) cases and gastrointestinal bleeding in 3 cases(6.1%).Univariate analysis showed that the interval between two stage operation,operation time,deep hypothermic circulatory arrest surgery are risk factors for in-hospital mortality;multivariate analysis showed that deep hypothermic circulatory arrest surgery and the interval between two stage operation were independent risk factors for in-hospital mortality.3 years,5 years survival rate were 94.4% and 78.7%.Conclusion For Stanford type A dissection especially the thoracoabdominal aortic expands,staged total aortic replacement shows good mid-term results.Block stentgraft can reduce the use of deep hypothermic circulatory arrests to decrease the mortality.

Article in Chinese | WPRIM | ID: wpr-513319


Objective To establish a Chinese expert consensus of the surgical management for type A aortic dissection (TAAD) by using the Delphi method.Methods A systematic review of the previously published literature related to management of TAAD at home and abroad was conducted to formulate a questionnaire of clinical consensus of the surgical treatment for TAAD.This questionnaire including seven aspects of surgical management for TAAD,namely contraindications to operative management,cannulation site,target temperature during circulation arrest,cerebral perfusion strategy,surgical procedure,distal anastomotic technique and surgical management for patients with connective tissue disease such as Marfan syndrome.From October 2015 to April 2016,we performed two rounds Delphi survey in which the current professional opinions from 55 experienced and representative cardiovascular surgeons in China,were gathered and analysed.Results The responses rates of two rounds were 80.0% (44/55) and 77.27% (34/44).The scores of authoritative coefficient was 0.87 and 0.83.The coefficient of concordance were 0.31 (P < 0.05) and 0.32 (P < 0.05).After two rounds of consultation,consensus of the surgical management for TAAD was reached on 16 items of seven aspects.Conclusion This Delphi study established an initial Chinese expert consensus concerning the surgical management for TAAD,which drew credible results and reliable conclusions.This study will helo to standardize the surgical management of TAAD in China.