Volume 28, Issue 11 pp. 1747-1755
ORIGINAL ARTICLE

Bile duct anastomosis does not promote bacterial contamination of autologous blood salvaged during living donor liver transplantation

Doyeon Kim

Doyeon Kim

Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of South Korea

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Sangbin Han

Corresponding Author

Sangbin Han

Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of South Korea

Correspondence

Sangbin Han, Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro, Gangnam-gu, Seoul 06351, Republic of South Korea.

Email: [email protected]

Gyu-Sung Choi, Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro, Gangnam-gu, Seoul 06351, Republic of South Korea.

Email: [email protected]

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You Sang Kim

You Sang Kim

Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of South Korea

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Gyu-Sung Choi

Corresponding Author

Gyu-Sung Choi

Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of South Korea

Correspondence

Sangbin Han, Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro, Gangnam-gu, Seoul 06351, Republic of South Korea.

Email: [email protected]

Gyu-Sung Choi, Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro, Gangnam-gu, Seoul 06351, Republic of South Korea.

Email: [email protected]

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Jong Man Kim

Jong Man Kim

Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of South Korea

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Kyo Won Lee

Kyo Won Lee

Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of South Korea

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Jae-Hoon Ko

Jae-Hoon Ko

Division of Infectious Disease, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of South Korea

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In Young Yoo

In Young Yoo

Department of Laboratory Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of South Korea

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Justin Sangwook Ko

Justin Sangwook Ko

Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of South Korea

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Mi Sook Gwak

Mi Sook Gwak

Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of South Korea

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Jae-Won Joh

Jae-Won Joh

Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of South Korea

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Gaab Soo Kim

Gaab Soo Kim

Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of South Korea

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First published: 10 June 2022

Clinical trial registration: KCT0002947.

Abstract

Bile duct surgeries are conventionally considered to promote bacterial contamination of the surgical field. However, liver transplantation recipients' bile produced by the newly implanted liver graft from healthy living donors may be sterile. We tested bacterial contamination of autologous blood salvaged before and after bile duct anastomosis (BDA) during living donor liver transplantation (LDLT). In 29 patients undergoing LDLT, bacterial culture was performed for four blood samples and one bile sample: two from autologous blood salvaged before BDA (one was nonleukoreduced and another was leukoreduced), two from autologous blood salvaged after BDA (one was nonleukoreduced and another was leukoreduced), and one from bile produced in the newly implanted liver graft. The primary outcome was bacterial contamination. The risk of bacterial contamination was not significantly different between nonleukoreduced autologous blood salvaged before BDA and nonleukoreduced autologous blood salvaged after BDA (44.8% and 31.0%; odds ratio 0.33, 95% confidence interval 0.03–1.86; p = 0.228). No bacteria were found after leukoreduction in all 58 autologous blood samples. All bile samples were negative for bacteria. None of the 29 patients, including 13 patients who received salvaged autologous blood positive for bacteria, developed postoperative bacteremia. We found that bile from the newly implanted liver graft is sterile in LDLT and BDA does not increase the risk of bacterial contamination of salvaged blood, supporting the use of blood salvage during LDLT even after BDA. Leukoreduction converted all autologous blood samples positive for bacteria to negative. The clinical benefit of leukoreduction for salvaged autologous blood on post-LDLT bacteremia needs further research.

CONFLICT OF INTEREST

Nothing to report.

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