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Risk factors of bloodstream infection-related death after liver transplantation / 中华消化外科杂志
Article in Chinese | WPRIM | ID: wpr-493178
Responsible library: WPRO
ABSTRACT
Objective To investigate the risk factors of bloodstream infection-related death after liver transplantation.Methods The retrospective case-control study was adopted.The clinical data of the 107 patients with bloodstream infection from 365 liver transplantation patients who were admitted to the Third Xiangya Hospital of Central South University (220 patients) and South Central Hospital Affiliated to Wuhan University (145 patients) from January 1,2002 to December 31,2015 were collected.The patients received modified piggyback liver transplantation.The second or third generation celphalosporin or carbapenems antibiotics were preventively used against infection according to the bacterial culture results before surgery,and the immune inhibitor basic program after surgery was FK506 + prednisone.The observation indicators included(1) the bloodstream infection status after liver transplantationincidence of bloodstream infection,frequency of bloodstream infection,inadequate antiinfection treatment,primary infection position,microorganism infection type,bacterial culture results and bloodstream infection-related mortality.(2) The risk factors of blood stream infection-related death after liver transplantation in univariate and multivariate analyses in cludedthe gender,age,resource of donor,usage of immune inhibitor,time between infection and liver transplantation,infection temperature,primary infection position(intraperitoneal or biliary infection),pathogenic microorganism type,nosocomial infection,inadequate antibiotic usage,serum creatinine level,serum albumin (Alb) level,white blood cell (WBC) in peripheral blood,lymphocyte in peripheral blood,platelet (PLT) in peripheral blood and septic shock indexes.The patients were followed up by outpatient examination and telephone interview up to January 31,2016,the follow-up contents included the survival status of the patients,vital signs,using status of immune inhibitor,immune inhibitor concentration,blood routine,biochemical indexes,surgery,other infection-related complications and acute rejection.Continuous variables with normal distribution were represented as ~ ± s.The univariate analysis was done by the Chi-square test.The multivariate analysis was done by the Logistic regression model.Results (1) The bloodstream infection status after liver transplantation186 bloodstream infections were happened in 107 patients undergoing liver transplantation,with a total incidence of bloodstream infection of 29.32% (107/365).The incidence of bloodstream infection was 28.18% (62/220) in the Third Xiangya Hospital of Central South University and 31.03% (45/145) in the South Central Hospital Affiliated to Wuhan University,with no statistical difference (x2=0.186,P >0.05).Of 107 patients,56 patients had once bloodstream infection,31 had twice bloodstream infection and 20 had three times or more bloodstream infection (frequency of the most bloodstream infection was 6).The inadequate anti-infection treatment was applied to the 41.12% (44/107)of patients with liver transplantation and bloodstream infection.The number of patients with primary infection positions in abdomen,lung,urethra,intravascular catheter and unknown sites were 40,39,3,1 and 24,respectively.The Gram positive bacteria,Gram negative bacteria,fungus and mixed infection of microorganism infection type were detected in 28,24,4 and 51 patients,respectively.There were 102 patients with nosocomial infection.Bacteria culture results in 186 strains of blood sample illustrated84 strains were Gram positive bacteria as major pathogenic bacteria,among which enterococcus (31 strains) and staphylococcus aureus (23 strains) were dominant strains.The bloodstream infection-related mortality was 37.38% (40/107),including 35 patients dying of septic shock.(2) The univariate analysis showed that the gender,resource of the donor,infection temperature,type of microorganism,serum creatinine level,serum Alb level,WBC in peripheral blood,PLT in peripheral blood and septic shock were the risk factors affecting bloodstream infection-related death after liver transplantation (x2=5.801,5.920,13.047,12.776,11.366,7.976,25.173,9.289,51.905,P <0.05).The multivariate analysis showed that serum Alb level < 30 mg/L and septic shock were the independent risk factors affecting bloodstream infection-related death after liver transplantation (OR =5.839,44.983,95 % confidence interval1.145-29.767,12.606-160.514,P < 0.05).Conclusion It is prone to happen bloodstream infection after liver transplantation,and serum Alb level < 30mg/L and septic shock are the independent risk factors affecting bloodstream infection-related death after liver transplantation.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Digestive Surgery Year: 2016 Type: Article
Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Digestive Surgery Year: 2016 Type: Article