Risk Factors for Postoperative Mortality in Patients with Acute Stanford Type A Aortic Dissection

Figures & data

Table 1 The Comparison of the General Characteristics Before Surgery

The General Data Before Surgery	Survival Group (n=107)	Death Group (n=42)	x^2/t	P
Basic data
Age (Year)
Male (N)	76
BMI≥25kg/m^2 (N)
Past history
Hypertension (N)
Smoking (N)
Drinking (N)
Diabetes mellitus (N)
Cardiovascular disease (N)
Second dissection (N)
Pregnancy (N)			1
Hepatitis B (N)
Peptic ulcer (N)
Marfan’s syndrome (N)
Complication at admission (N)

Table 2 The Comparison of Intra-Operative Relevant Data

Operation-Related Indicator	Survival Group (n=107)	Death Group (n=42)	x^2/t	P
Duration of surgery (min)
Duration of cardiopulmonary bypass (min)
Duration of aortic block (min)
Duration of cardiopulmonary bypass assistance (min)
Duration of low flow (min)
The minimum nasal temperature (°C)
Urine volume during cardiopulmonary bypass (mL)
Intra-operative fluid infusion (mL)
Intra-operative red blood cell transfusion (Unit)
Intra-operative plasma transfusion (mL)
Cryoprecipitate (Unit)
Platelet (Unit)
Bentall surgery (N)
Three-branch bypass of the aorta over the arch (N)
Full arch replacement (N)
Coronary bypass grafting (N)
Second operation (N)
Intra-operative difficulty in disengaging the extracorporeal
Coronary artery involvement (N)

Table 3 The Comparison of Post-Operative Relevant Data

Post-Operative Relevant Data	Survival Group (n=107)	Death Group (n=42)	x^2/t	P
APACHE II
SOFA
Second thoracotomy (N)
Second intubation (N)
Post-operative delirium (N)
Post-operative cerebral dysfunction (N)
Post-operative atrial fibrillation (N)
Post-operative pleural effusion (N)		9
Post-operative low cardiac output (N)
Post-operative hypoxia (N)
Post-operative AKI (N)
Post-operative ARDS (N)
Post-operative hepatic dysfunction (N)
Post-operative hepatic failure (N)
Post-operative DIC (N)
Gastrointestinal hemorrhage (N)
Post-operative septic shock(N)
Catheter-related bloodstream infection (N)
Duration of mechanical ventilation (Day)
Duration of blood purification (Day)	7.31
Staying duration in ICU (Day)

Figure 1 The ROC curve.

Table 4 The Univariate Analysis of the Risk Factors

Influencing Factors	Survival Group (n=107)	Death Group (n=42)	x^2/t	P
BMI≥25kg/m^2 (N)
APACHE II>16(N)
SOFA(N)
Intra-operative duration of cardiopulmonary bypass assistance>70min (N)
Intra-operative difficulty in disengaging the extracorporeal circulation machine (N)
Intra-operative plasma transfusion>1175mL (N)
Post-operative cerebral dysfunction (N)
Post-operative low cardiac output (N)
Post-operative hypoxia (N)
Post-operative DIC (N)
Catheter-related bloodstream infection (N)
Post-operative AKI (N)
Staying duration in ICU (Day)

Table 5 Multivariate Logistic Regression Analysis

Risk Factor	β	P	OR	95%CI
BMI
Intra-operative duration of cardiopulmonary bypass assistance>70min
SOFA>8
Post-operative low cardiac output
Post-operative DIC