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Sim JH, Kim KW, Ko Y, Kwon HM, Moon YJ, Jun IG, Kim SH, Kim S, Song JG, Hwang GS. Association of sex-specific donor skeletal muscle index with surgical outcomes in living donor liver transplantation recipients. Liver Int 2023; 43:684-694. [PMID: 36377561 DOI: 10.1111/liv.15478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 10/28/2022] [Accepted: 11/13/2022] [Indexed: 11/16/2022]
Abstract
BACKGROUND A recent study reported a correlation between the muscle mass of male donors and graft failure in living donor liver transplantation (LDLT) recipients. We investigated the association of sex-specific donor skeletal muscle index (SMI) with mortality and graft failure in LDLT recipients. METHODS We retrospectively analysed 2750 sets of donors and recipients between January 2008 and January 2018. The recipient outcomes were analysed by dividing the data according to donor sex. Cox regression analyses were performed to evaluate the association between donor SMI by sex and 1-year mortality and graft failure in recipients. RESULTS In the male donor group, robust donor (increased SMI) was significantly associated with higher risks for mortality (hazard ratio [HR]: 1.03, 95% confidence interval [CI]: 1.00-1.06, p = .023) and graft failure (HR: 1.04, 95% CI: 1.01-1.06, p = .007) at 1 year. In the female donor group, the robust donor was significantly associated with lower risks for mortality (HR: 0.92, 95% CI: 0.87-0.97, p = .003) and graft failure (HR: 0.95, 95% CI: 0.90-1.00, p = .032) at 1 year. CONCLUSIONS Donor SMI was associated with surgical outcomes in recipients. Robust male and female donors were a significant negative and protective factor for grafts respectively.
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Affiliation(s)
- Ji-Hoon Sim
- Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Kyung-Won Kim
- Department of Radiology, Asan Image Metrics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - YouSun Ko
- Department of Radiology, Asan Image Metrics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Hye-Mee Kwon
- Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Young-Jin Moon
- Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - In-Gu Jun
- Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Sung-Hoon Kim
- Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Seonok Kim
- Department of Clinical Epidemiology and Biostatistics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Jun-Gol Song
- Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Gyu-Sam Hwang
- Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
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Lee S, Kim KW, Kwon HJ, Lee J, Song GW, Lee SG. Impact of the preoperative skeletal muscle index on early remnant liver regeneration in living donors after liver transplantation. KOREAN JOURNAL OF TRANSPLANTATION 2022; 36:259-266. [PMID: 36704805 PMCID: PMC9832594 DOI: 10.4285/kjt.22.0039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 09/11/2022] [Accepted: 09/28/2022] [Indexed: 11/15/2022] Open
Abstract
Background We investigated the correlation between the preoperative skeletal muscle index (SMI) and remnant liver regeneration after right hemihepatectomy for living-donor liver transplantation and aimed to identify preoperative predictors of greater early remnant liver regeneration in living donors. Methods This retrospective study included 525 right hemiliver donors (mean age, 28.9±8.3 years; 345 male patients) between 2017 and 2018, who underwent computed tomography before surgery and on postoperative day (POD) 7. Preoperative anthropometry, laboratory parameters, skeletal muscle area at the third lumbar vertebral level, and liver volume before and after surgery were evaluated. Correlations were analyzed using Pearson correlation coefficients, and stepwise multiple regression analysis was performed to identify independent predictors of greater remnant liver regeneration. Results Remnant liver regeneration volume on POD 7 was positively correlated with body mass index (BMI; r=0.280, P<0.001) and SMI (r=0.322, P<0.001), and negatively correlated with age (r=-0.154, P<0.001) and the ratio of future remnant liver volume (FRLV) to total liver volume (TLV; r=-0.261, P<0.001). Stepwise multiple regression analysis showed that high BMI (β=0.146; P=0.001) and SMI (β=0.228, P<0.001), young age (β=-0.091, P=0.025), and a low FRLV/TLV ratio (β=-0.225, P<0.001) were predictors of greater remnant liver regeneration. Conclusions High SMI and BMI, young age, and a low FRLV/TLV ratio may predict greater early remnant liver regeneration in living donors after LDLT.
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Affiliation(s)
- Sunyoung Lee
- Department of Radiology and Research Institute of Radiological Science, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea,Co-Corresponding author: Sunyoung Lee, Department of Radiology and Research Institute of Radiological Science, Severance Hospital, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul 03722, Korea, Tel: +82-2-2228-7400, Fax: +82-2-2227-8337, E-mail:
| | - Kyoung Won Kim
- Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea,Corresponding author: Kyoung Won Kim Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro, 43-gil, Songpa-gu, Seoul 05505, Korea, Tel: +82-2-3010-4400, Fax: +82-2-476-4719, E-mail:
| | - Heon-Ju Kwon
- Department of Radiology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Jeongjin Lee
- School of Computer Science and Engineering, Soongsil University, Seoul, Korea
| | - Gi-Won Song
- Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Sung-Gyu Lee
- Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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Tomiyama T, Harada N, Toshima T, Nakayama Y, Toshida K, Morinaga A, Kosai-Fujimoto Y, Tomino T, Kurihara T, Takeishi K, Nagao Y, Morita K, Itoh S, Yoshizumi T. Donor Skeletal Muscle Quality Affects Graft Mortality After Living Donor Liver Transplantation- A Single Center, Retrospective Study. Transpl Int 2022; 35:10723. [PMID: 36568139 PMCID: PMC9784912 DOI: 10.3389/ti.2022.10723] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 11/22/2022] [Indexed: 12/13/2022]
Abstract
The recipient muscle status is closely associated with postoperative poor survival in recipients of living donor liver transplantation (LDLT). However, it is uncertain whether LDLT donor muscle quality and quantity affect graft quality. Hence, we analyzed the correlation between donor muscle status and graft function. We measured the skeletal muscle mass index (SMI) and intramuscular adipose tissue content (IMAC) of 380 LDLT donors. We examined the correlation between donor SMI or IMAC and graft mortality, the occurrence rates of small-for-size graft (SFSG) syndrome, and 6-month graft survival rates. The donor SMI had no effect on the occurrence of SFSG syndrome and graft survival, while a high IMAC in both male and female donors was significantly correlated with the rate of SFSG syndrome [high vs low: (male donors) 15.8% vs. 2.5%, p = 0.0003; (female donors) 12.8% vs. 3.1%, p = 0.0234] and 6-month graft survival rates [(male donors) 87.7% vs 95.9%, p = 0.02; (female donors) 83.0% vs. 99.0%, p < 0.0001]. Multivariate analysis revealed that a high donor IMAC (HR; 5.42, CI; 2.13-13.8, p = 0.0004) was an independent risk factor for 6-month graft survival, and the donor IMAC is useful for donor selection for high-risk recipients.
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Yao S, Kamo N. ASO Author Reflections: Muscularity Affects Morphological and Functional Recovery of Liver; Clinical Phenomenon was Proven, but Mechanism is Yet to Be Proven. Ann Surg Oncol 2021; 29:313-314. [PMID: 34414514 DOI: 10.1245/s10434-021-10631-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 07/30/2021] [Indexed: 11/18/2022]
Affiliation(s)
- Siyuan Yao
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
| | - Naoko Kamo
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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Yao S, Kamo N, Taura K, Miyachi Y, Iwamura S, Hirata M, Kaido T, Uemoto S. Muscularity Defined by the Combination of Muscle Quantity and Quality is Closely Related to Both Liver Hypertrophy and Postoperative Outcomes Following Portal Vein Embolization in Cancer Patients. Ann Surg Oncol 2021; 29:301-312. [PMID: 34333707 DOI: 10.1245/s10434-021-10525-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Accepted: 07/14/2021] [Indexed: 01/06/2023]
Abstract
BACKGROUND Portal vein embolization (PVE) is a common procedure for preventing hepatic insufficiency after major hepatectomy. While evaluating the body composition of surgical patients is common, the impact of muscularity defined by both muscle quantity and quality on liver hypertrophy after PVE and associated outcomes after major hepatectomy in patients with hepatobiliary cancer remain unclear. METHODS This retrospective review included 126 patients who had undergone hepatobiliary cancer resection after PVE. Muscularity was measured on preoperative computed tomography images by combining the skeletal mass index and intramuscular adipose content. Various factors including the degree of hypertrophy (DH) of the future liver remnant and post-hepatectomy outcomes were compared according to muscularity. RESULTS DH did not differ by malignancy type. Patients with high muscularity had better DH after PVE (P = 0.028), and low muscularity was an independent predictor for poor liver hypertrophy after PVE [odds ratio (OR), 3.418; 95% confidence interval (CI), 1.129-10.352; P = 0.030]. In subgroup analyses in which patients were stratified into groups based on primary hepatobiliary tumors and metastases, low muscularity was associated with higher incidence of post-hepatectomy liver failure (PHLF) ≥ grade B (P = 0.018) and was identified as an independent predictor for high-grade PHLF (OR 3.931; 95% CI 1.113-13.885; P = 0.034) among the primary tumor group. In contrast, muscularity did not affect surgical outcomes in patients with metastases. CONCLUSIONS Low muscularity leads to poor liver hypertrophy after PVE and is also a predictor of PHLF, particularly in primary hepatobiliary cancer.
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Affiliation(s)
- Siyuan Yao
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
| | - Naoko Kamo
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Kojiro Taura
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yosuke Miyachi
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Department of Gastroenterological and General Surgery, St. Luke's International Hospital, Tokyo, Japan
| | - Sena Iwamura
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Masaaki Hirata
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Toshimi Kaido
- Department of Gastroenterological and General Surgery, St. Luke's International Hospital, Tokyo, Japan
| | - Shinji Uemoto
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Shiga University of Medical Science, Otsu, Shiga, Japan
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Miyachi Y, Kaido T, Uemoto S. Reply to: Effects of donor muscle and sex on graft function in living-donor liver transplantation. Am J Transplant 2020; 20:3699-3700. [PMID: 32632951 DOI: 10.1111/ajt.16182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Yosuke Miyachi
- Division of Hepato-Biliary-Pancreatic and Transplant Surgery, Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Toshimi Kaido
- Division of Hepato-Biliary-Pancreatic and Transplant Surgery, Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Department of Gastroenterological and General Surgery, St. Luke's International University Hospital, Tokyo, Japan
| | - Shinji Uemoto
- Division of Hepato-Biliary-Pancreatic and Transplant Surgery, Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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Kaido T. Recent evolution of living donor liver transplantation at Kyoto University: How to achieve a one-year overall survival rate of 99%? Hepatobiliary Pancreat Dis Int 2020; 19:328-333. [PMID: 32565064 DOI: 10.1016/j.hbpd.2020.06.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Accepted: 06/09/2020] [Indexed: 02/06/2023]
Abstract
Previously, living donor liver transplantation was considered as a "high-risk, high-return" medical treatment due to the relatively high short-term mortality. It is our task to change "high-risk, high-return" into a "low-risk, high-return" situation. In this review article, the recent evolutions in living donor liver transplantation for both donors and recipients at Kyoto University such as portal vein pressure modulation, hybrid donor operation, and perioperative management considering sarcopenia, focusing on improvement of short-term outcomes are described. Under a paradigm of "marketing and innovation", various innovations and efforts have been made over the last decade aiming at improving the short-term outcomes of both donors and recipients. By doing so, excellent short-term results after living donor liver transplantation have been achieved, along with a potentially epoch-making discoveries.
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Affiliation(s)
- Toshimi Kaido
- Department of Gastroenterological and General Surgery, St. Luke's International University Hospital, 9-1 Akashi-cho, Chuo-ku, Tokyo 104-8560, Japan; Division of Hepato-Biliary-Pancreatic and Transplant Surgery, Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
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