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Risk Factors for Bloodstream Infection After Living-donor Liver Transplantation in Children.

ABSTRACT: BACKGROUND:Postoperative bloodstream infection (BSI) is the most important determinant of recipient morbidity and mortality after liver transplantation (LT). Children who underwent LT are at the highest risk of developing BSI because of the significant surgical intervention, use of multiple devices, and administration of immunosuppressive agents. However, information regarding the risk factors for BSI in children after LT is limited. METHODS:We retrospectively reviewed 210 children who underwent living-donor LT at the largest pediatric LT center in Japan. Patients' characteristics, blood culture results and clinical outcomes were extracted from electronic medical records. Univariate and multivariate analyses were performed to identify the risk factors for BSI. RESULTS:Among the 210 LT recipients, 53 (25%) recipients experienced 86 episodes of BSI during the observational period. The source of the BSI was identified only in 38%: catheter-related BSI (27%) peritonitis (7%), urinary tract infection (2%), pneumonia (1%) and infectious endocarditis (1%). A multivariate analysis demonstrated that body weight (P = 0.03), volume of blood loss during LT (P < 0.001) and cytomegalovirus (CMV) antigenemia positivity (P = 0.04) were independently associated with the development of BSI. The risk factors for BSI differed when we analyzed the subjects according to age (?24 months and >24 months), blood loss and pediatric end-stage liver disease/model for end-stage liver disease versus positive CMV antigenemia. CONCLUSIONS:The volume of blood loss, postoperative CMV antigenemia positivity and body weight were associated with the development of BSI after LT in pediatric living-donor recipients. To identify the age-specific predictors of BSI in children who underwent LT, age-specific analyses are crucial.

SUBMITTER: Shoji K

PROVIDER: S-EPMC6448584 | biostudies-literature | 2015 Oct

REPOSITORIES: biostudies-literature

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Risk Factors for Bloodstream Infection After Living-donor Liver Transplantation in Children.

Shoji Kensuke K Funaki Takanori T Kasahara Mureo M Sakamoto Seisuke S Fukuda Akinari A Vaida Florin F Ito Kenta K Miyairi Isao I Saitoh Akihiko A

The Pediatric infectious disease journal 20151001 10

<h4>Background</h4>Postoperative bloodstream infection (BSI) is the most important determinant of recipient morbidity and mortality after liver transplantation (LT). Children who underwent LT are at the highest risk of developing BSI because of the significant surgical intervention, use of multiple devices, and administration of immunosuppressive agents. However, information regarding the risk factors for BSI in children after LT is limited.<h4>Methods</h4>We retrospectively reviewed 210 childre ...[more]

PMID: 26121201

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Project description:Adult-to-adult living donors and recipients were studied to characterize patterns of liver growth and identify associated factors in a multicenter study. Three hundred and fifty donors and 353 recipients in the Adult-to-Adult Living Donor Liver Transplantation Cohort Study (A2ALL) receiving transplants between March 2003 and February 2010 were included. Potential predictors of 3-month liver volume included total and standard liver volumes (TLV and SLV), Model for End-Stage Liver Disease (MELD) score (in recipients), the remnant and graft size, remnant-to-donor and graft-to-recipient weight ratios (RDWR and GRWR), remnant/TLV, and graft/SLV. Among donors, 3-month absolute growth was 676?±?251 g (mean?±?SD), and percentage reconstitution was 80%?±?13%. Among recipients, GRWR was 1.3%?±?0.4% (8?<?0.8%). Graft weight was 60%?±?13% of SLV. Three-month absolute growth was 549?±?267 g, and percentage reconstitution was 93%?±?18%. Predictors of greater 3-month liver volume included larger patient size (donors and recipients), larger graft volume (recipients), and larger TLV (donors). Donors with the smallest remnant/TLV ratios had larger than expected growth but also had higher postoperative bilirubin and international normalized ratio at 7 and 30 days. In a combined donor-recipient analysis, donors had smaller 3-month liver volumes than recipients adjusted for patient size, remnant or graft volume, and TLV or SLV (P?=?0.004). Recipient graft failure in the first 90 days was predicted by poor graft function at day 7 (HR?=?4.50, P?=?0.001) but not by GRWR or graft fraction (P?>?0.90 for each). Both donors and recipients had rapid yet incomplete restoration of tissue mass in the first 3 months, and this confirmed previous reports. Recipients achieved a greater percentage of expected total volume. Patient size and recipient graft volume significantly influenced 3-month volumes. Importantly, donor liver volume is a critical predictor of the rate of regeneration, and donor remnant fraction affects postresection function. Liver Transpl 21:79-88, 2015. © 2014 AASLD.

Dataset Information

Risk Factors for Bloodstream Infection After Living-donor Liver Transplantation in Children.

Publications

Risk Factors for Bloodstream Infection After Living-donor Liver Transplantation in Children.

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