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Zhong L, Jin Y, Gu Y, He W, Zheng Y, Yang T, Li Y, Fu L, Zhang W, Xu Q. Clinically ill patients' experiences of early mobilisation after liver transplantation: a qualitative study using Pender's health promotion model. Int J Rehabil Res 2023; 46:92-97. [PMID: 36727671 PMCID: PMC9907680 DOI: 10.1097/mrr.0000000000000566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 01/04/2023] [Indexed: 02/03/2023]
Abstract
The aim of this study is to explore the factors influencing early mobilisation behaviours and patients' needs in critically ill patients after liver transplantation (LT). This interview study used phenomenological research, and Pender's health promotion model (HPM) was used to construct the interview guide. With the use of purposeful sampling, a total of 19 critically ill patients who experienced early mobilisation after LT were recruited at three tertiary hospitals in Beijing from August to November 2022. Data were collected through semi-structured interviews and analysed using Colaizzi's seven-step method. Nine themes were categorised into the three domains of Pender's HPM. The first domain was individual characteristics and experiences: (1) symptoms of end-stage liver disease limiting premobility behaviours and (2) previous treatment experience affecting understanding of early mobilisation after LT. The second domain was behaviour-specific cognition and affect: (3) coexistence of benefits and concerns in early mobilisation after LT, (4) barriers to early mobilisation after LT, (5) high self-efficacy in early mobilisation after LT, (6) individual differences in early mobilisation and (7) support and encouragement from family, wardmates and medical staff. The final domain was behavioural outcomes: (8) the need for sufficient staff, a quiet environment, safety, goals, guidance and family participation and (9) a strong willingness to comply with early mobilisation plans. The three areas and nine themes extracted in this study are helpful for the long-term development of early mobilisation in patients after LT.
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Affiliation(s)
| | - Yanhong Jin
- Department of Nursing, Beijing Friendship Hospital
| | - Yanmei Gu
- Department of Intensive Care Medicine, Beijing Youan Hospital, Capital Medical University
| | | | - Yulin Zheng
- Department of Intensive Care Medicine, Beijing Youan Hospital, Capital Medical University
| | - Tongnan Yang
- Department of Liver Intensive Care Unit, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | | | - Li Fu
- Department of Intensive Care Medicine
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Morin N, Taylor S, Krahn D, Baghirzada L, Chong M, Harrison TG, Cameron A, Ruzycki SM. Strategies for intraoperative glucose management: a scoping review. Can J Anaesth 2023; 70:253-270. [PMID: 36450943 DOI: 10.1007/s12630-022-02359-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 06/04/2022] [Accepted: 06/07/2022] [Indexed: 12/03/2022] Open
Abstract
PURPOSE Perioperative hyperglycemia is associated with adverse outcomes for patients with and without diabetes. Guidelines and published protocols for intraoperative glycemic management have substantial variation in their recommendations. We sought to characterize the current evidence-guiding intraoperative glycemic management in a scoping review. SOURCES Our search strategy included MEDLINE (Ovid and EBSCO), PubMed, PubMed Central, EMBASE, CINAHL, Cochrane Library, SciVerse Scopus, and Web of Science and a gray literature search of Google, Google Scholar, hand searching of the reference lists of included articles, OAISter, institutional protocols, and ClinicalTrails.gov. PRINCIPAL FINDINGS We identified 41 articles that met our inclusion criteria, 24 of which were original research studies. Outcomes and exposures were defined heterogeneously across studies, which limited comparison and synthesis. Investigators often created arbitrary and differing categories of glucose values rather than analyzing glucose as a continuous variable, which limited our ability to combine results from different studies. In addition, the study populations and surgery types also varied considerably, with few studies performed during day surgeries and specific surgical disciplines. Study populations often included more than one type of surgery, indication, and urgency that were expected to have varying physiologic and inflammatory responses. Combining low- and high-risk patients in the same study population may obscure the harms or benefits of intraoperative glycemic management for high-risk procedures or patients. CONCLUSION Future studies examining intraoperative glycemic management should carefully consider the study population, surgical characteristics, and pre- and postoperative management of hyperglycemia.
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Affiliation(s)
| | - Sarah Taylor
- Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Danae Krahn
- Department of Anesthesiology, Perioperative and Pain Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Leyla Baghirzada
- Department of Anesthesiology, Perioperative and Pain Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Michael Chong
- Department of Anesthesiology, Perioperative and Pain Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Tyrone G Harrison
- Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Room 1422, 3330 Hospital Drive NW, Calgary, AB, T2N 2T9, Canada
| | - Anne Cameron
- Department of Obstetrics and Gynecology, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Shannon M Ruzycki
- Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Room 1422, 3330 Hospital Drive NW, Calgary, AB, T2N 2T9, Canada.
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Effects of Intensive Blood Glucose Control on Surgical Site Infection for Liver Transplant Recipients: A Randomized Controlled Trial. Transplant Proc 2023; 55:170-177. [PMID: 36567173 DOI: 10.1016/j.transproceed.2022.10.062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 09/07/2022] [Accepted: 10/18/2022] [Indexed: 12/25/2022]
Abstract
BACKGROUND The evidence supporting intensive blood glucose control to prevent surgical site infections (SSIs) among liver transplant recipients is insufficient. We aimed to assess the effects of postoperative intensive blood glucose control (IBGC) against standard blood glucose control (SBGC) on the incidence of SSIs among adult liver transplant recipients. METHODS We performed a randomized controlled trial (ClinicalTrials.gov identifier NCT03474666). The IBGC target was 80 to 130 mg/dL, and the SBGC target was below 180 mg/dL. Analyses were made on an intention-to-treat basis. RESULTS Of the 41 recipients enrolled onto the trial, 20 were randomly allocated to the IBGC group and 21 to the SBGC group. There were no significant differences in SSIs among recipients allocated to either group (relative risk [RR], 0.78; 95% confidence interval [CI], 0.21-2.88; P = .69). Mean (SD) blood glucose levels were significantly lower in the IBGC group in the 24-hour period after surgery (145.0 [20.7] mg/dL and 230.2 [51.6] mg/dL; P = .001). While there were fewer episodes of hypoglycemia in the IBGC group, this was not statistically significant. There were no episodes of severe hypoglycemia in either group. Hyperglycemia and severe hyperglycemia were significantly more frequent in the SBGC group (RR, 0.70; 95% CI, 0.52-0.93; P = .001 and RR, 0.07; 95% CI, 0.01-0.48; P = .001, respectively). Length of hospital stay was significantly shorter for recipients in the IBGC group (13.1 [5.5] days vs 19.3 [12.1] days; P = .04). CONCLUSIONS Although this small trial did not find intensive control reduced SSI, it was associated with lower blood glucose levels, fewer episodes of hyperglycemia and severe hyperglycemia, and shorter length of hospital stay.
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Banach DB, Lopez-Verdugo F, Sanchez-Garcia J, Tran A, Gomez-Llerena A, Munoz-Abraham AS, Bertacco A, Valentino PL, Yoo P, Dembry LM, Mulligan DC, Ekong UD, Emre SH, Rodriguez-Davalos MI. Epidemiology and outcomes of surgical site infections among pediatric liver transplant recipients. Transpl Infect Dis 2022; 24:e13941. [PMID: 35989545 DOI: 10.1111/tid.13941] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 07/26/2022] [Accepted: 08/01/2022] [Indexed: 12/24/2022]
Abstract
INTRODUCTION Surgical site infections (SSI) are a significant cause of morbidity in liver transplant recipients, and the current data in the pediatric population are limited. The goal of this study was to identify the incidence, classification, risk factors, and outcomes of SSIs among children undergoing liver transplantation (LT). METHODS A single-center, retrospective descriptive analysis was performed of patients age ≤18 years undergoing LT between September 2007 and April 2017. SSI identified within the first 30 days were analyzed. Primary endpoints included incidence, classification, risk factors, and outcomes associated with SSIs. RESULTS We included 86 patients, eight patients (9.3%) developed SSIs. Among segmental grafts (SG) recipients, 7/61 (11.4%) developed SSI. Among whole grafts recipients, 1/25 (4%) developed SSI. SSIs were associated with the presence of biliary complications (35% vs. 3%, p < .01; odds ratios 24, 95% CI: 3.41-487.37, p<.01). There were no differences in long term graft or patient survival associated with SSI. Patients who developed SSI were more likely to undergo reoperation (50% vs. 16.7%, p = .045) and had an increased total number of hospital days in the first 60 days post-transplant (30.5 vs. 12.5 days, p = .001). CONCLUSIONS SSIs after pediatric LT was less frequent than what has been previously reported in literature. SSIs were associated with the presence of biliary complications without an increase in mortality. SG had an increased rate of biliary complications without an association to SSIs but, considering its positive impact on organ shortage barriers, should not be a deterrent to the utilization of SGs.
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Affiliation(s)
- David B Banach
- Department of Medicine, Division of Infectious Diseases, University of Connecticut School of Medicine, Farmington, Connecticut, USA
| | - Fidel Lopez-Verdugo
- Liver Transplant Service, Intermountain Healthcare, Salt Lake City, Utah, USA
- Department of Surgery, University of Utah, Salt Lake City, Utah, USA
| | | | - Alexandria Tran
- Department of Surgery, University of Utah, Salt Lake City, Utah, USA
| | - Adriana Gomez-Llerena
- Facultad de Ciencias de la Salud, Universidad Anahuac Mexico, Estado de Mexico, Mexico
| | | | - Alessandra Bertacco
- Department of Surgery, Transplant Division, University of Padova, Padova, Italy
| | - Pamela L Valentino
- Department of Pediatrics, Yale School of Medicine, New Haven, Connecticut, USA
| | - Peter Yoo
- Department of Surgery, Yale School of Medicine, New Haven, Connecticut, USA
| | - Louise-Marie Dembry
- Department of Medicine West Haven VA Hospital, Yale School of Medicine, New Haven, Connecticut, USA
| | - David C Mulligan
- Department of Surgery, Yale School of Medicine, New Haven, Connecticut, USA
| | - Udeme D Ekong
- MedStar Georgetown Transplant Institute, MedStar Georgetown University Hospital, Washington, District of Columbia, USA
| | - Sukru H Emre
- Department of Surgery, Yale School of Medicine, New Haven, Connecticut, USA
| | - Manuel I Rodriguez-Davalos
- Liver Transplant Service, Intermountain Healthcare, Salt Lake City, Utah, USA
- Liver Center, Primary Children's Hospital, Salt Lake City, Utah, USA
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Choi YW, Han S, Ko JS, Lee SN, Gwak MS, Kim GS. Improvement of compliance to the Portland intensive insulin therapy during liver transplantation after introducing an application software: a retrospective single center cohort study. Anesth Pain Med (Seoul) 2022; 17:312-319. [PMID: 35918865 PMCID: PMC9346209 DOI: 10.17085/apm.22136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Accepted: 06/13/2022] [Indexed: 11/20/2022] Open
Abstract
Background The Portland intensive insulin therapy effectively controls acute hyperglycemic change after graft reperfusion during liver transplantation. However, the time-consuming sophistication acts as a barrier leading to misinterpretation and decreasing compliance to the protocol; thus, we newly introduced an application software “Insulin protocol calculator” which automatically calculates therapeutic bolus/continuous insulin doses based on the Portland protocol. Methods Of 144 patients who underwent liver transplantation, 74 patients were treated before the introduction of "Insulin protocol calculator" by using a paper manual, and 70 patients were treated by using the application. Compliance was defined as the proportion of patients treated with exact bolus/continuous insulin dose according to the Portland protocol. Results Compliance was significantly greater in app group than in paper group regarding bolus dose (94.5% and 86.9%, P < 0.001), continuous dose (88.9% and 77.3%, P = 0.001), and both doses (86.6% and 73.8%, P < 0.001). Blood glucose concentration was significantly lower in app group at 3 h (125 ± 17 mg/dl vs. 136 ± 19 mg/dl, P = 0.014) and 4 h (135 ± 22 mg/dl vs. 115 ± 15 mg/dl, P = 0.029) after graft reperfusion. Acute hyperglycemic change during 30 min was more prominent in app group while hyperglycemia incidence was 71.4% vs. 54.1% (P = 0.031). However, hyperglycemia risk was comparable at 2 h (31.4% vs. 31.1%, P = 0.964), and even insignificantly lower in app group at 3 h (7.1% vs. 19.5%, P = 0.184). Conclusions Compliance to the Portland protocol was significantly improved after introducing the application software; post-reperfusion hyperglycemia was better controlled. “Insulin protocol calculator” is cost-effective and time-saving with potential clinical benefits.
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Affiliation(s)
- Young Woong Choi
- Department of Anesthesiology and Pain Medicine, Korea Cancer Center Hospital, Seoul, Korea
| | - Sangbin Han
- Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
- Correspondence: Sangbin Han, M.D., Ph.D. Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro, Gangnam-gu, Seoul 06351, Korea Tel: 82-2-3410-2470; Fax: 82-2-3410-0361, E-mail:
| | - Justin S. Ko
- Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Su Nam Lee
- Department of Anesthesiology and Pain Medicine, Korea Cancer Center Hospital, Seoul, Korea
| | - Mi Sook Gwak
- Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Gaab Soo Kim
- Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
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Fragoso LVC, Araújo MFMD, Lobo LFDS, Schreen D, Zanetti ML, Damasceno MMC. Bolus versus continuous insulin infusion in immediate postoperative blood glucose control in liver transplantation: pragmatic clinical trial. EINSTEIN-SAO PAULO 2022; 20:eAO6959. [PMID: 35674591 PMCID: PMC9165566 DOI: 10.31744/einstein_journal/2022ao6959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 11/05/2021] [Indexed: 11/05/2022] Open
Abstract
Objective: To analyze the effectiveness and safety of two insulin therapy techniques (continuous and intermittent infusion) in the blood glucose control of people who have undergone liver transplantation, in the immediate postoperative period. Methods: The study was a prospective, open, pragmatic clinical trial with 42 participants, divided into two groups of 21 patients each, in the immediate postoperative period following liver transplantation. Participants in the Experimental Group and Control Group received continuous infusion and bolus insulin, respectively, starting at capillary blood glucose ≥150mg/dL. Results: There were no statistically significant differences in the blood glucose reduction time to reach the target range between the Experimental Group and Control Group in the transplanted patients (p=0.919). No statistically significant differences regarding the presence of low blood glucose (p=0.500) and in the initial blood glucose value (p=0.345) were found. The study identified the final blood glucose value in postoperative intensive care unit lower and statistically significant in the continuous infusion pump group in relation to the Bolus Group (p<0.001). Additionally, the variation of blood glucose reduction was higher and statistically significant in the continuous method group (p<0.05). Conclusion: The continuous infusion method was more effective in the blood glucose control of patients in the postoperative period following liver transplantation. Brazilian Registry of Clinical Trials: RBR-9Y5tbp
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Suresh V, Magoon R, Mahajan S. Liver transplant and the sweet-bitter truth. Anesth Pain Med (Seoul) 2022; 17:247. [PMID: 35538658 PMCID: PMC9091662 DOI: 10.17085/apm.22140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 03/29/2022] [Accepted: 03/30/2022] [Indexed: 12/05/2022] Open
Affiliation(s)
- Varun Suresh
- Department of Anesthesiology, Government Medical College, Thiruvananthapuram, New Delhi, India
| | - Rohan Magoon
- Department of Cardiac Anesthesia, Atal Bihari Vajpayee Institute of Medical Sciences (ABVIMS) and Dr. Ram Manohar Lohia Hospital, New Delhi, India
| | - Shalvi Mahajan
- Department of Anesthesia and Intensive Care, Postgraduate Institute of Medical Education and Research, Chandigarh, India
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Ostaszewska A, Domagała P, Zawistowski M, Karpeta E, Wszoła M. Single-center experience with perioperative antibiotic prophylaxis and surgical site infections in kidney transplant recipients. BMC Infect Dis 2022; 22:199. [PMID: 35232378 PMCID: PMC8886971 DOI: 10.1186/s12879-022-07182-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Accepted: 02/19/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Infections in kidney transplant recipients are particularly challenging owing to the immunosuppressive treatment, usually long history of chronic illness, comorbidities and prior exposures to antibiotics. Among the most common complications early after surgery are surgical site infections. The aim of this study was to identify risk factors and evaluate epidemiological data regarding surgical site infections. Moreover, we were able to compare the current results with historical data from our institution when different perioperative antibiotic prophylaxis was practiced. METHODS We conducted a retrospective case-control study in a group of 254 deceased donor renal graft recipients transplanted in a single Central European institution. We evaluated epidemiological findings and resistance patterns of pathogens causing surgical site infections. We used multivariable logistic regression to determine risk factors for surgical site infections. RESULTS We revealed no differences in baseline characteristics between patients with and without surgical site infections. Ten surgical site infections (3.9%) were diagnosed (six superficial incisional, two deep incisional, and two organ/space). Eight species (19 strains) were identified, most of which were multi-drug resistant (63%). The most common was extended-spectrum β-lactamase producing Klebsiella pneumoniae (26%). We showed that statistically significant differences were present between reoperated and non-reoperated patients (adjusted odds ratio: 6.963, 95% confidence interval 1.523-31.842, P = .012). CONCLUSIONS Reoperation is an individual risk factor for surgical site infection after kidney transplantation. According to our experience, cefazolin-based prophylaxis can be safe and is associated with relatively low prevalence of surgical site infections.
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Affiliation(s)
- Agata Ostaszewska
- Department of General and Transplantation Surgery, Medical University of Warsaw, Nowogrodzka 59, 02-006, Warsaw, Poland.
| | - Piotr Domagała
- Department of General and Transplantation Surgery, Medical University of Warsaw, Nowogrodzka 59, 02-006, Warsaw, Poland
| | - Michał Zawistowski
- Department of General and Transplantation Surgery, Medical University of Warsaw, Nowogrodzka 59, 02-006, Warsaw, Poland
| | - Edyta Karpeta
- Department of General and Transplantation Surgery, Medical University of Warsaw, Nowogrodzka 59, 02-006, Warsaw, Poland
| | - Michał Wszoła
- Foundation of Research and Science Development, Warsaw, Poland
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Guidelines for Perioperative Care for Liver Transplantation: Enhanced Recovery After Surgery (ERAS) Recommendations. Transplantation 2022; 106:552-561. [PMID: 33966024 DOI: 10.1097/tp.0000000000003808] [Citation(s) in RCA: 54] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
BACKGROUND Enhanced Recovery After Surgery (ERAS) is a multimodal, evidence-based, program of care developed to minimize the response to surgical stress, associated with reduced perioperative morbidity and hospital stay. This study presents the specific ERAS Society recommendations for liver transplantation (LT) based on the best available evidence and on expert consensus. METHODS PubMed and ClinicalTrials.gov were searched in April 2019 for published and ongoing randomized clinical trials on LT in the last 15 y. Studies were selected by 5 independent reviewers and were eligible if focusing on each validated ERAS item in the area of adult LT. An e-Delphi method was used with an extended interdisciplinary panel of experts to validate the final recommendations. RESULTS Forty-three articles were included in the systematic review. A consensus was reached among experts after the second round. Patients should be screened for malnutrition and treated whenever possible. Prophylactic nasogastric intubation and prophylactic abdominal drainage may be omitted, and early extubation should be considered. Early oral intake, mobilization, and multimodal-balanced analgesia are recommended. CONCLUSIONS The current ERAS recommendations were elaborated based on the best available evidence and endorsed by the e-Delphi method. Nevertheless, prospective studies need to confirm the clinical use of the suggested protocol.
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Hartl L, Elias J, Prager G, Reiberger T, Unger LW. Individualized treatment options for patients with non-cirrhotic and cirrhotic liver disease. World J Gastroenterol 2021; 27:2281-2298. [PMID: 34040322 PMCID: PMC8130039 DOI: 10.3748/wjg.v27.i19.2281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Revised: 03/19/2021] [Accepted: 04/25/2021] [Indexed: 02/06/2023] Open
Abstract
The obesity pandemic has led to a significant increase in patients with metabolic dysfunction-associated fatty liver disease (MAFLD). While dyslipidemia, type 2 diabetes mellitus and cardiovascular diseases guide treatment in patients without signs of liver fibrosis, liver related morbidity and mortality becomes relevant for MAFLD's progressive form, non-alcoholic steatohepatitis (NASH), and upon development of liver fibrosis. Statins should be prescribed in patients without significant fibrosis despite concomitant liver diseases but are underutilized in the real-world setting. Bariatric surgery, especially Y-Roux bypass, has been proven to be superior to conservative and/or medical treatment for weight loss and resolution of obesity-associated diseases, but comes at a low but existent risk of surgical complications, reoperations and very rarely, paradoxical progression of NASH. Once end-stage liver disease develops, obese patients benefit from liver transplantation (LT), but may be at increased risk of perioperative infectious complications. After LT, metabolic comorbidities are commonly observed, irrespective of the underlying liver disease, but MAFLD/NASH patients are at even higher risk of disease recurrence. Few studies with low patient numbers evaluated if, and when, bariatric surgery may be an option to avoid disease recurrence but more high-quality studies are needed to establish clear recommendations. In this review, we summarize the most recent literature on treatment options for MAFLD and NASH and highlight important considerations to tailor therapy to individual patient's needs in light of their risk profile.
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Affiliation(s)
- Lukas Hartl
- Division of Gastroenterology and Hepatology, Department of Internal Medicine III, Medical University of Vienna, Vienna A-1090, Austria
- Vienna Hepatic Hemodynamic Lab, Medical University of Vienna, Vienna A-1090, Austria
| | - Joshua Elias
- Cambridge Institute of Therapeutic Immunology and Infectious Disease, Jeffrey Cheah Biomedical Centre, University of Cambridge, Cambridge CB2 0AW, United Kingdom
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Cambridge, Addenbrooke’s Hospital, Cambridge CB2 0QQ, United Kingdom
| | - Gerhard Prager
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Vienna A-1090, Austria
| | - Thomas Reiberger
- Division of Gastroenterology and Hepatology, Department of Internal Medicine III, Medical University of Vienna, Vienna A-1090, Austria
- Vienna Hepatic Hemodynamic Lab, Medical University of Vienna, Vienna A-1090, Austria
| | - Lukas W Unger
- Cambridge Institute of Therapeutic Immunology and Infectious Disease, Jeffrey Cheah Biomedical Centre, University of Cambridge, Cambridge CB2 0AW, United Kingdom
- Division of Visceral Surgery, Department of General Surgery, Medical University of Vienna, Vienna A-1090, Austria
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Gill MG, Majumdar A. Metabolic associated fatty liver disease: Addressing a new era in liver transplantation. World J Hepatol 2020; 12:1168-1181. [PMID: 33442446 PMCID: PMC7772736 DOI: 10.4254/wjh.v12.i12.1168] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 10/08/2020] [Accepted: 10/26/2020] [Indexed: 02/06/2023] Open
Abstract
Metabolic associated fatty liver disease (MAFLD), previously termed non-alcoholic fatty liver disease, is the leading global cause of liver disease and is fast becoming the most common indication for liver transplantation. The recent change in nomenclature to MAFLD refocuses the conceptualisation of this disease entity to its metabolic underpinnings and may help to spur a paradigm shift in the approach to its management, including in the setting of liver transplantation. Patients with MAFLD present significant challenges in the pre-, peri- and post-transplant settings, largely due to the presence of medical comorbidities that include obesity, metabolic syndrome and cardiovascular risk factors. As the community prevalence of MAFLD increases concurrently with the obesity epidemic, donor liver steatosis is also a current and future concern. This review outlines current epidemiology, nomenclature, management issues and outcomes of liver transplantation in patients with MAFLD.
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Affiliation(s)
- Madeleine G Gill
- AW Morrow Gastroenterology and Liver Centre, Royal Prince Alfred Hospital, Sydney 2050, New South Wales, Australia
| | - Avik Majumdar
- AW Morrow Gastroenterology and Liver Centre, Royal Prince Alfred Hospital, Sydney 2050, New South Wales, Australia
- Central Clinical School, The University of Sydney, Sydney 2050, New South Wales, Australia
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12
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Freire MP, Song ATW, Oshiro ICV, Andraus W, D'Albuquerque LAC, Abdala E. Surgical site infection after liver transplantation in the era of multidrug-resistant bacteria: what new risks should be considered? Diagn Microbiol Infect Dis 2020; 99:115220. [PMID: 33045498 DOI: 10.1016/j.diagmicrobio.2020.115220] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 09/11/2020] [Accepted: 09/13/2020] [Indexed: 11/25/2022]
Abstract
Surgical site infection (SSI) is a frequent infection site after liver transplantation (LT), and multidrug-resistant bacteria are common agents of those infections. This study aimed to analyze risk factors for SSI, including SSI caused by a multidrug-resistant microorganism (MDRO) after LT. We performed a cohort study of patients who underwent an LT from 2010 to 2018. The outcomes were SSI and SSI caused by MDRO. We analyzed features related to surgical procedure, patients' characteristics, and post-LT intercurrence. Surveillance for carbapenem-resistant Enterobacteriaceae (CRE), vancomycin-resistant Enterococcus (VRE), and carbapenem-resistant Acinetobacter baumannii (CRAB) was performed through rectal swab at the LT admission and weekly until hospital discharge during all study periods. SSI was identified in 30.1% (229/762) of LTs. We observed a decline in the SSI rate from 37.5% in 2014 to 16.7% in 2018 (P 0.02). SSI caused by MDRO occurred in 109 (14.3%) patients. Klebsiella pneumoniae was the most common agent of both SSI and SSI caused by MDRO. The pre-LT colonization was 98 (12.9%) by CRE, 73 (9.6%) by VRE, and 28 (3.7%) by CRAB. Risk factors for SSI caused by MDRO identified were dialysis after LT (P 0.01), CRAB acquisition before LT (0.03), and CRE acquisition before LT (P 0.004); use of adjusted prophylaxis by MDRO risk was the only protective factor identified (P 0.01). MDROs were frequent agents of SSI after LT, and the carbapenem-resistant Gram-negative colonization before LT increased the risk of SSI by these agents.
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Affiliation(s)
- Maristela P Freire
- Working Committee for Hospital Epidemiology and Infection Control, University of São Paulo School of Medicine Hospital das Clínicas, São Paulo, Brazil.
| | - Alice T Wan Song
- Liver and Intestinal Transplant Division, Department of Gastroenterology, University of São Paulo School of Medicine Hospital das Clínicas, São Paulo, Brazil
| | - Isabel Cristina Vilela Oshiro
- Working Committee for Hospital Epidemiology and Infection Control, University of São Paulo School of Medicine Hospital das Clínicas, São Paulo, Brazil
| | - Wellington Andraus
- Liver and Intestinal Transplant Division, Department of Gastroenterology, University of São Paulo School of Medicine Hospital das Clínicas, São Paulo, Brazil
| | - Luiz Augusto Carneiro D'Albuquerque
- Liver and Intestinal Transplant Division, Department of Gastroenterology, University of São Paulo School of Medicine Hospital das Clínicas, São Paulo, Brazil
| | - Edson Abdala
- Department of Infectious Diseases, University of São Paulo School of Medicine Hospital das Clínicas, São Paulo, Brazil
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13
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Oliveira RA, Poveda VDB, Tanner J. Perioperative intensive glycemic control for liver transplant recipients to prevent surgical site infection: A systematic review and meta-analysis. Transpl Infect Dis 2020; 22:e13390. [PMID: 32589805 DOI: 10.1111/tid.13390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Accepted: 06/15/2020] [Indexed: 11/27/2022]
Abstract
BACKGROUND Surgical Site Infections (SSIs) are common among liver transplant recipients and result in adverse patient outcomes. Standard glycemic control is effective in reducing SSIs. Some studies suggest intensive glycemic control reduces the risk of SSI further. METHODS For this systematic review, were searched for studies comparing perioperative intensive and standard glycemic control in liver transplant recipients. Clinical trials registries and reference lists of included studies were also searched. No date or language restrictions were applied. Randomized controlled trials (RCTs) were assessed using Cochrane risk of bias tool and GRADE method. Cohort studies were assessed using the Newcastle-Ottawa Scale. RESULTS Two RCTs and three cohort studies met the inclusion criteria. Low-quality evidence from the two RCTs in a meta-analysis with 264 recipients found it was uncertain whether the risk of SSI was reduced by having intensive glycemic control (Risk Ratio [RR] 1.52, 95% CI 0.66-3.51). However, there was an increased risk of hypoglycemia among recipients having intensive glycemic control (RR 2.34, 95% CI 1.40-3.92) n = 264. Meta-analyses found it uncertain whether secondary outcomes, allograft rejection and death, were reduced among recipients having intensive glycemic control; (RR 0.85, 95% CI 0.48-1.50) and (RR 0.92, 95% CI 0.44-1.95), respectively. The two cohort studies were poor quality and presented conflicting outcomes on the effects of intensive blood glucose control on SSI. CONCLUSION There is insufficient evidence to recommend the use of intensive glycemic control among liver transplant recipients to reduce SSIs.
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Affiliation(s)
| | | | - Judith Tanner
- Faculty of Medicine and Health Sciences, The Queen's Medical Centre, The University of Nottingham, Nottingham, UK
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Vogt AP, Bally L. Perioperative glucose management: Current status and future directions. Best Pract Res Clin Anaesthesiol 2020; 34:213-224. [DOI: 10.1016/j.bpa.2020.04.015] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 04/22/2020] [Accepted: 04/28/2020] [Indexed: 02/08/2023]
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15
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Management of metabolic syndrome and cardiovascular risk after liver transplantation. Lancet Gastroenterol Hepatol 2020; 4:731-741. [PMID: 31387736 DOI: 10.1016/s2468-1253(19)30181-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 04/22/2019] [Accepted: 04/23/2019] [Indexed: 12/11/2022]
Abstract
Cardiovascular events are the second most prevalent cause of non-hepatic mortality in liver transplant recipients. The incidence of these events is projected to rise because of the growing prevalence of non-alcoholic steatohepatitis as a transplant indication and the ageing population of liver transplant recipients. Recipients with metabolic syndrome are up to four times more likely to have a cardiovascular event than recipients without, therefore prevention and optimal treatment of the components of metabolic syndrome are key in reducing the risk of these events. Although data on the treatment of metabolic comorbidities specifically in liver transplant recipients are scarce, there is detailed guidance from learned societies that mostly mirrors the guidance for patients at increased cardiovascular risk in the general population. In this Review, we discuss the management of the components of metabolic syndrome following liver transplantation and provide practical stepwise guidance. We also emphasise the need for adequately powered studies for the treatment of metabolic comorbidities in liver transplant recipients.
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Hreńczuk M, Biedrzycka A, Łągiewska B, Kosieradzki M, Małkowski P. Surgical Site Infections in Liver Transplant Patients: A Single-Center Experience. Transplant Proc 2020; 52:2497-2502. [PMID: 32362463 DOI: 10.1016/j.transproceed.2020.02.093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2019] [Revised: 02/08/2020] [Accepted: 02/13/2020] [Indexed: 02/07/2023]
Abstract
AIM The aim of the study was a single-center assessment of occurrence of surgical site infections (SSI) in patients after liver transplantation and an attempt to determine factors that may contribute to this complication. PATIENTS AND METHODS Analysis of medical records of 60 adult patients, who underwent first transplantation in 2016 and 2017 was conducted. Selected pre-, intra-, and postoperative factors were assessed. Statistical analysis was performed with StatSoft Statistica 13.1 PL package. RESULTS SSI occurred in 25% of liver recipients, with average timing of diagnosis on the 14th day after surgery. Mean duration of hospitalization was significantly longer in patients who experienced SSI than in patients without this complication (35.8 ± 8.9 days vs 25.2 ± 6 days, P < .0001). SSI occurred a little more frequently in men and older recipients, as well as in overweight and underweight patients (not significant). An indication for transplantation did not have an impact on SSI occurrence. The complication was more likely in patients with diabetes and renal failure prior to transplantation (P > .05). Duration of the procedure, blood loss and prolonged drainage did not have any impact on SSIs. SSI was significantly more common in recipients with lower total protein value (P < .0002) and anemia (P < .0002) in early postoperative period. CONCLUSION Among the studied population, a high incidence of SSI was noted, and that some of the identified risk factors differ from those described in the literature.
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Affiliation(s)
- Marta Hreńczuk
- Department of Surgical and Transplantation Nursing, and Extracorporeal Treatment, Faculty of Health Sciences, Medical University of Warsaw, Poland.
| | - Anna Biedrzycka
- Faculty of Health Sciences, Medical University of Warsaw, Poland
| | - Beata Łągiewska
- Department of General and Transplantation Surgery, Medical University of Warsaw, Poland
| | - Maciej Kosieradzki
- Department of General and Transplantation Surgery, Medical University of Warsaw, Poland
| | - Piotr Małkowski
- Department of Surgical and Transplantation Nursing, and Extracorporeal Treatment, Faculty of Health Sciences, Medical University of Warsaw, Poland
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Mou Y, Ma D, Zhang J, Tao J, He W, Li W, Mu Y, Yu X. Continuous subcutaneous insulin infusion reduces the risk of postoperative infection. J Diabetes 2020; 12:396-405. [PMID: 31697444 DOI: 10.1111/1753-0407.13008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 10/26/2019] [Accepted: 11/01/2019] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND Perioperative hyperglycemia was associated with postoperative infection, and proper management of perioperative glucose has become critical in improving the prognosis of patients. METHODS A total of 1015 diabetic patients who underwent surgery and received insulin treatment for their hyperglycemia in our hospital were retrospectively reviewed. According to propensity matching, we obtained 253 pairs of patients from the group which received continuous subcutaneous insulin infusion (CSII) therapy (CSII group) and the group which received insulin injection therapy (non-CSII group). Perioperative glucose levels and corresponding outcomes were compared between the two groups. RESULTS Compared with the non-CSII group, the CSII group had lower fasting and mean glucose levels, lower incidence of fever (operation day: 18.6% vs 10.2%; P = .014; first postoperative day: 55.1% vs 34.7%; P < .001), a positive rate of postoperative secretion culture (6.3% vs 1.2%; P = .004), and a shorter time of antibiotics use (total antibiotics use: P = .002; postoperative antibiotics use: P < .001) and hospital stays (P < .001). However, there was no difference in the total medical expenditure between the two groups (P = .499). Further analysis showed that CSII therapy was superior to multiple daily insulin injection (MDI) therapy in its effect on infection and other postoperative outcomes when 64 pairs of patients from the CSII group and MDI group were compared. CONCLUSIONS CSII therapy provides better perioperative glucose control and a lower risk of postoperative infection without increasing the total medical expenditure.
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Affiliation(s)
- Yune Mou
- Division of Endocrinology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Delin Ma
- Division of Endocrinology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jianhua Zhang
- Division of Endocrinology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jing Tao
- Division of Endocrinology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wentao He
- Division of Endocrinology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wenjun Li
- Department of Computer Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yiming Mu
- Department of Endocrinology, Chinese PLA General Hospital, Beijing, China
| | - Xuefeng Yu
- Division of Endocrinology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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18
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Fletcher E, Askari A, Yang Y, Adegbola S, Al-Obudi Y, Bernstein D, Patel K, Gupta A, Abbasi O, Anda H, Birdi H, Rabie M, Siddique S, El-Hakim H, Currow C, Rudge A, Aly M, Cathcart P, Crockett S, Ha M, Aker M, Dhatariya K. Diabetes in day case general and vascular surgery: A multicentre regional audit. Int J Clin Pract 2020; 74:e13472. [PMID: 31884722 DOI: 10.1111/ijcp.13472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2019] [Revised: 12/14/2019] [Accepted: 12/24/2019] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND People with Diabetes Mellitus (DM) are at increased risk of postoperative complications if their HbA1C readings are not well controlled. In the UK, there are clear national guidelines requiring all people with DM to have HbA1C blood testing within 6months before undergoing surgery and that these readings should be below 69 mmol/mol if this is safe to achieve. The aim of this study was to determine whether hospitals in the region were compliant with the guidelines. METHODS Data were prospectively collected from seven hospitals across the East of England region from 1st October 2017 to 31st March 2018 (6 months) in all people with DM undergoing elective day case procedures in General and Vascular surgery for benign disease. RESULTS A total of 181 people with DM were included in the study, of whom 77.9% were male patients and the median age was 63 years. The three most commonly performed operations were laparoscopic cholecystectomy (20.9%, n = 38/181), inguinal hernia repair (20.4%, n = 37/181) and umbilical/para-umbilical hernia repair (11.0%, n = 20/181). In keeping with the national guidelines, only 86.7% (n = 157/181) of patients had an HbA1C tested within 6 months prior to their surgery date. Of the patients who had a preoperative HbA1C, 14 (n = 14/157, 8.9%) had an HbA1C ≥ 69 mmol/mol, and 12 (n = 12/14, 85.7%) of these proceeded to surgery without optimisation of their HbA1C. CONCLUSION A significant proportion of people with diabetes undergoing elective day case procedures in our region do not have HbA1C testing within 6 months of their procedure as recommended by the national guidelines. In patients who do have a high HbA1C, the majority still undergo surgery without adequate control of their DM. Greater awareness amongst healthcare workers and robust pathways are required for this vulnerable group of patients if we are to reduce the risk of developing postoperative complication rates.
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Affiliation(s)
- Edward Fletcher
- Department of General Surgery, Peterborough City Hospital, Peterborough, UK
| | - Alan Askari
- Department of General Surgery, Watford General Hospital, Watford, UK
| | - Yunfei Yang
- Department of General Surgery, Peterborough City Hospital, Peterborough, UK
| | - Samuel Adegbola
- Department of General Surgery, Watford General Hospital, Watford, UK
| | - Yasser Al-Obudi
- Department of General Surgery, Watford General Hospital, Watford, UK
| | - Darryl Bernstein
- Department of General Surgery, Watford General Hospital, Watford, UK
| | - Krasha Patel
- Department of General Surgery, Broomfield Hospital, Broomfield, UK
| | - Amit Gupta
- Department of General Surgery, Broomfield Hospital, Broomfield, UK
| | - Omar Abbasi
- Department of General Surgery, Broomfield Hospital, Broomfield, UK
| | - Hasna Anda
- Department of General Surgery, The Princess Alexandra Hospital, Harlow, UK
| | - Harjot Birdi
- Department of General Surgery, The Princess Alexandra Hospital, Harlow, UK
| | - Mohammed Rabie
- Department of General Surgery, Queen Elizabeth Hospital, King's Lynn, UK
| | - Shahla Siddique
- Department of General Surgery, Queen Elizabeth Hospital, King's Lynn, UK
| | - Hesham El-Hakim
- Department of General Surgery, Queen Elizabeth Hospital, King's Lynn, UK
| | - Chelise Currow
- Department of General Surgery, Ipswich Hospital, Ipswich, UK
| | - Alice Rudge
- Department of General Surgery, Ipswich Hospital, Ipswich, UK
| | - Mohamed Aly
- Department of General Surgery, Lister Hospital, Stevenage, UK
| | - Paul Cathcart
- Department of General Surgery, Lister Hospital, Stevenage, UK
| | | | - Michael Ha
- Department of General Surgery, Lister Hospital, Stevenage, UK
| | - Medhat Aker
- Department of General Surgery, Norfolk and Norwich University Hospital NHS Trust, Norwich, Norfolk, UK
| | - Ketan Dhatariya
- Department of Medicine, Norfolk and Norwich University Hospital NHS Trust, Norwich, Norfolk, UK
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Rodriguez-Buitrago A, Basem A, Okwumabua E, Enata N, Evans A, Pennings J, Karacay B, Rice MJ, Obremskey W. Hyperglycemia as a risk factor for postoperative early wound infection after bicondylar tibial plateau fractures: Determining a predictive model based on four methods. Injury 2019; 50:2097-2102. [PMID: 31371170 DOI: 10.1016/j.injury.2019.07.028] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 06/06/2019] [Accepted: 07/23/2019] [Indexed: 02/02/2023]
Abstract
OBJECTIVES Identify a glucose threshold that would put patients with isolated bicondylar tibial plateau fractures at risk of early wound infection (i.e. < 90 days). DESIGN Retrospective review of medical records. SETTING Academic American College of Surgeons (ACS) Level 1 trauma center. PATIENTS Adult patients between 2010 and 2015 with an operatively treated isolated bicondylar tibial plateau fracture and at least three glucose measurements during their hospitalization. MAIN OUTCOME MEASUREMENT To predict infection using four different methods: maximum preoperative blood glucose (PBG), maximum blood glucose (MGB), Hyperglycemic Index (HGI), and Time-Weighted Average Glucose (TWAG). RESULTS 126/381 patients met our inclusion criteria. Fifteen (12%) patients had an open fracture and 30/126 (23%) developed an infection. Median glucose for each predictive method studied was 114 (IQR 101.2-137.8) mg/dL for PBG, 144 (IQR 119-169.8) mg/dL for MBG, 0.8 (IQR 0.20-1.60) mmol/L for HGI, and 120.4 (IQR 106.0-135.6) mg/dL for TWAG. As expected, infected patients had higher PBG, MGB, and TWAG. HGI was similar in both groups. None of these differences prove to be statistically significant (p > .05). Logistic regression models for all the methods showed that having an open fracture was the strongest predictor of infection. CONCLUSION It is well known that stress-induced hyperglycemia increases the risk of infection, we present and compare four models that have been used in other medical fields. In our study, none of the methods presented identified a glucose threshold that would increase the risk of infection in patients with bicondylar tibial plateau fractures. LEVEL OF EVIDENCE Retrospective review, Level III. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Andres Rodriguez-Buitrago
- Division of Orthopaedic Trauma, Vanderbilt Medical Center, 1215st Avenue South, Nashville, TN, 37212, United States; Universidad del Rosario, School of Medicine and Health Sciences, Bogotá, Colombia.
| | - Attum Basem
- Division of Orthopaedic Trauma, Vanderbilt Medical Center, 1215st Avenue South, Nashville, TN, 37212, United States.
| | - Ebubechi Okwumabua
- Meharry Medical College, 1005 Dr DB Todd Jr Blvd, Nashville, TN, 37208, United States.
| | - Nichelle Enata
- Meharry Medical College, 1005 Dr DB Todd Jr Blvd, Nashville, TN, 37208, United States.
| | - Adam Evans
- Meharry Medical College, 1005 Dr DB Todd Jr Blvd, Nashville, TN, 37208, United States.
| | - Jacquelyn Pennings
- Department of Orthopaedics, Vanderbilt Medical Center, 1215 21st Avenue South, Nashville, TN, 37212, United States.
| | - Bernes Karacay
- Department of Orthopaedics, Vanderbilt Medical Center, 1215 21st Avenue South, Nashville, TN, 37212, United States.
| | - Mark John Rice
- Department of Anesthesiology, Vanderbilt Medical Center, 1215 21st Avenue South, Nashville, TN, 37212, United States.
| | - William Obremskey
- Division of Orthopaedic Trauma, Vanderbilt Medical Center, 1215st Avenue South, Nashville, TN, 37212, United States.
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Uppal C, Blanshard A, Ahluwalia R, Dhatariya K. Achieving a Preoperative Target HbA 1c of < 69 mmol/mol in Elective Vascular and Orthopedic Surgery: A Retrospective Single Center Observational Study. Diabetes Ther 2019; 10:1959-1967. [PMID: 31468356 PMCID: PMC6778566 DOI: 10.1007/s13300-019-00688-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Indexed: 01/02/2023] Open
Abstract
INTRODUCTION Diabetes mellitus (DM) is present in 10-15% of the surgical population. It is a known risk factor for adverse postoperative outcomes. UK perioperative guidance recommends optimizing glycemic control preoperatively, aiming for a target glycated hemoglobin (HbA1c) of < 69 mmol/mol. However, real-world compliance with this guidance remains unknown. The aim of our study was to determine how many patients with DM undergoing elective orthopedic and vascular surgery had a preoperative HbA1c of < 69 mmol/mol. We also reviewed the surgical reasons for non-concordance with the recommended preoperative HbA1c target. METHODS This was a retrospective observational study of 1000 consecutive patients who had been referred for elective vascular and orthopedic surgery at a large tertiary center. Data were collected on these patients, both those with and without DM, between January 2016 and February 2017. Electronic databases were used to collect information on the patients' preoperative HbA1c concentration and to determine whether there was a resulting delay in surgery when the preoperative HbA1c target of < 69 mmol/mol was exceeded. RESULTS Of the 1000 patients referred for surgery (500 orthopedic and 500 vascular patients) included in the study, 201 (20%) had diabetes. Among these 201 people with DM, 155 (77%) had a preoperative HbA1c < 69 mmol/mol. Among the 46 people with DM whose HbA1c exceeded the recommended target, 41 were operated on despite the high HbA1c level, and only five had their surgery deferred or canceled due to suboptimal preoperative glycemic control. CONCLUSIONS Our data shows that the majority (77% ) of people undergoing elective vascular and orthopedic surgery were able to achieve a target HbA1c of < 69 mmol/mol. The current preoperative guidance is therefore achievable in a real-life setting. However, as is stated in the national guidance, this target should only be used where it is safe to do so and a degree of clinical discretion is necessary.
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Affiliation(s)
- Celina Uppal
- Department of Medicine, Norfolk and Norwich University Hospitals NHS Foundation Trust, Colney Lane, Norwich, Norfolk, NR4 7UY, UK
| | - Andrew Blanshard
- Department of Medicine, Norfolk and Norwich University Hospitals NHS Foundation Trust, Colney Lane, Norwich, Norfolk, NR4 7UY, UK
| | - Rupa Ahluwalia
- Department of Medicine, Norfolk and Norwich University Hospitals NHS Foundation Trust, Colney Lane, Norwich, Norfolk, NR4 7UY, UK
- Elsie Bertram Diabetes Centre, Norfolk and Norwich University Hospitals NHS Foundation Trust, Colney Lane, Norwich, Norfolk, NR4 7UY, UK
| | - Ketan Dhatariya
- Department of Medicine, Norfolk and Norwich University Hospitals NHS Foundation Trust, Colney Lane, Norwich, Norfolk, NR4 7UY, UK.
- Elsie Bertram Diabetes Centre, Norfolk and Norwich University Hospitals NHS Foundation Trust, Colney Lane, Norwich, Norfolk, NR4 7UY, UK.
- Norwich Medical School, University of East Anglia, Medical Building, Norwich, Norfolk, NR4 7TJ, UK.
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21
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Aktas A, Kayaalp C, Gunes O, Gokler C, Uylas U, Cicek E, Ersoy Y, Kose A, Bayindir Y, Aydin C, Yilmaz S. Surgical site infection and risk factors following right lobe living donor liver transplantation in adults: A single-center prospective cohort study. Transpl Infect Dis 2019; 21:e13176. [PMID: 31539456 DOI: 10.1111/tid.13176] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Revised: 07/07/2019] [Accepted: 09/15/2019] [Indexed: 01/02/2023]
Abstract
INTRODUCTION Surgical site infection (SSI) is an important cause of decreased graft survival, prolonged hospital stay, and higher costs following living donor liver transplantation. There are several risk factors for SSI. In this cohort study, we aimed to investigate the incidence of SSI at our center and the associated risk factors. MATERIALS AND METHODS Adult right lobe living donor liver transplantations were included in this prospective cohort. Patients who died postoperatively within 3 days; patients with infected ascites or open abdomen, cadaveric, or pediatric transplants; and patients with biologic or cryopreserved vascular grafts were excluded. Patients' demographic characteristics and perioperative surgical findings were recorded. SSI follow-up was continued for 90 days. CDC-2017 criteria were used to diagnose SSI. In the presence of superficial, deep, and organ/space SSI, only the organ in the poorest condition was included in SSI evaluation. The patients were administered similar to antibiotic prophylaxes and immunosuppressive protocols. RESULTS A total of 101 patients were enrolled in this study, of which 30 (29.7%) were diagnosed with SSI. Organ/space, only deep, and only superficial SSI were noted in 90% (27/30), 6.7% (2/30), and 3.3% (1/30) of the patients, respectively. Twenty-five of 30 patients with SSI had a remote site infection. One or more bacteria observed in cultures were obtained from 28 patients. A donor-recipient age difference of >10 years, cold ischemia lasting for ≥150 minutes, surgical duration of ≥600 minutes, intraoperative hemorrhage of ≥1000 mL, intraoperative blood transfusion, biliary leak or stricture, prolonged mechanical ventilation, prolonged intensive care unit and hospital stay, remote site infection, and the need for reoperation were associated with increased SSI incidence. Preoperative and intraoperative levels of blood glucose, albumin, and hemoglobin were not associated with SSI. A donor-recipient age difference of >10 years, remote site infection, and biliary leak were found to be independent risk factors for SSI. Hospital mortality with and without SSIs was 6.7% vs 4.4%, P = .61. DISCUSSION Organ/space SSIs were the essential part of SSIs following right lobe living donor liver transplantations. Donor-recipient age gap, prolonged cold ischemia time, complicated surgery, and postoperative biliary complications were the main causes of SSIs. Although they did not increase the perioperative mortality, they promote increased rate of reoperations, remote infections, prolonged intensive care unit, and hospital stays.
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Affiliation(s)
- Aydin Aktas
- Department of Gastrointestinal Surgery, Inonu University, Malatya, Turkey
| | - Cuneyt Kayaalp
- Department of Gastrointestinal Surgery, Inonu University, Malatya, Turkey
| | - Orgun Gunes
- Department of Gastrointestinal Surgery, Inonu University, Malatya, Turkey
| | - Cihan Gokler
- Department of Gastrointestinal Surgery, Inonu University, Malatya, Turkey
| | - Ufuk Uylas
- Department of Gastrointestinal Surgery, Inonu University, Malatya, Turkey
| | - Egemen Cicek
- Department of Gastrointestinal Surgery, Inonu University, Malatya, Turkey
| | - Yasemin Ersoy
- Infectious Disease, Inonu University, Malatya, Turkey
| | - Adem Kose
- Infectious Disease, Inonu University, Malatya, Turkey
| | | | - Cemalettin Aydin
- Liver Transplantation Institute, Inonu University, Malatya, Turkey
| | - Sezai Yilmaz
- Liver Transplantation Institute, Inonu University, Malatya, Turkey
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22
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Shapey IM, Summers A, Yiannoullou P, Bannard-Smith J, Augustine T, Rutter MK, van Dellen D. Insulin therapy in organ donation and transplantation. Diabetes Obes Metab 2019; 21:1521-1528. [PMID: 30924574 DOI: 10.1111/dom.13728] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 03/12/2019] [Accepted: 03/26/2019] [Indexed: 12/27/2022]
Abstract
Hyperglycaemia is common in hospitalized individuals, and is often caused by physiological stress associated with critical illness or major surgery. Insulin therapy is an established treatment for hyperglycaemia and acute hyperkalaemia, and has also been used for myocardial dysfunction resistant to inotropic support. Insulin is commonly used in both organ donors and transplant recipients for hyperglycaemia, but the underlying knowledge base supporting its use remains limited. Insulin therapy plays an important yet poorly understood role in both organ donation and transplantation. Tight glycaemic control has been extensively studied in critical care over the past 15 years; however, this has not yet translated into the field of transplantation, where patients are more unwell and where improved outcomes remain an ongoing challenge. Insulin therapy and optimization of glycaemic control represent important areas for future hypothesis-driven research into organ donation and transplantation, such as amelioration of ischaemia-reperfusion injury, rejection and infection.
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Affiliation(s)
- Iestyn M Shapey
- Division of Diabetes, Endocrinology and Gastroenterology, Faculty of Medicine, Biology and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
- Department of Renal and Pancreatic Transplantation, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
| | - Angela Summers
- Division of Diabetes, Endocrinology and Gastroenterology, Faculty of Medicine, Biology and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
- Department of Renal and Pancreatic Transplantation, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
| | - Petros Yiannoullou
- Division of Diabetes, Endocrinology and Gastroenterology, Faculty of Medicine, Biology and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
- Department of Renal and Pancreatic Transplantation, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
| | - Jonathan Bannard-Smith
- Department of Critical Care, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
| | - Titus Augustine
- Division of Diabetes, Endocrinology and Gastroenterology, Faculty of Medicine, Biology and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
- Department of Renal and Pancreatic Transplantation, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
| | - Martin K Rutter
- Division of Diabetes, Endocrinology and Gastroenterology, Faculty of Medicine, Biology and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
- Manchester Diabetes Centre, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
| | - David van Dellen
- Division of Diabetes, Endocrinology and Gastroenterology, Faculty of Medicine, Biology and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
- Department of Renal and Pancreatic Transplantation, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
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23
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Abbo LM, Grossi PA. Surgical site infections: Guidelines from the American Society of Transplantation Infectious Diseases Community of Practice. Clin Transplant 2019; 33:e13589. [PMID: 31077619 DOI: 10.1111/ctr.13589] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2019] [Accepted: 05/06/2019] [Indexed: 02/06/2023]
Abstract
These guidelines from the Infectious Diseases Community of Practice of the American Society of Transplantation review the diagnosis, prevention, and management of post-operative surgical site infections (SSIs) in solid organ transplantation. SSIs are a significant cause of morbidity and mortality in SOT recipients. Depending on the organ transplanted, SSIs occur in 3%-53% of patients, with the highest rates observed in small bowel/multivisceral, liver, and pancreas transplant recipients. These infections are classified by increasing invasiveness as superficial incisional, deep incisional, or organ/space SSIs. The spectrum of organisms implicated in SSIs in SOT recipients is more diverse than the general population due to other important factors such as the underlying end-stage organ failure, immunosuppression, prolonged hospitalizations, organ transportation/preservation, and previous exposures to antibiotics in donors and recipients that could predispose to infections with multidrug-resistant organisms. In this guideline, we describe the epidemiology, clinical presentation, differential diagnosis, potential pathogens, and management. We also provide recommendations for the selection, dosing, and duration of peri-operative antibiotic prophylaxis to minimize post-operative SSIs.
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Affiliation(s)
- Lilian M Abbo
- Division of Infectious Diseases, Department of Medicine, University of Miami Miller School of Medicine and Jackson Health System, Miami, Florida
| | - Paolo Antonio Grossi
- Infectious Diseases Section, Department of Medicine and Surgery, University of Insubria, Varese, Italy
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Oliveira RA, Mancero JMP, Faria DF, Poveda VDB. A Retrospective Cohort Study of Risk Factors for Surgical Site Infection Following Liver Transplantation. Prog Transplant 2019; 29:144-149. [DOI: 10.1177/1526924819835831] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Background: Surgical site infection is an important complication in the postoperative period among liver transplant recipients. However, little is known about the risk factors in this patient group. Therefore, the objective of this study was to analyze the incidence and risk factors for surgical site infections among adult liver transplant recipients. Methods: Medical records of adult liver transplant recipients from January 1, 2009, to December 31, 2015, were analyzed in this retrospective cohort study. Results: We enrolled 156 recipients’ medical records. Forty-two (26.9%) cases of surgical site infections were identified. The main isolated microorganisms were methicillin-resistant Staphylococcus species, extended spectrum β-lactamase-producing Klebsiella species, carbapenem-resistant Pseudomonas aeruginosa, carbapenem-resistant Acinetobacter baumannii, and vancomycin-susceptible Enterococcus faecalis. We found that long operative times (≥487 minutes) and differences in body mass index between donor and recipient (≥1.3 kg/m2) increased the risk for surgical site infections by approximately 5 times (odds ratio [OR], 5.5; 95% confidence interval [CI], 2.5-11.8), and capillary glycemia ≥175 mg/dL in the first 96 postoperative hours increased the risk by approximately 3 times (OR, 2.97; 95% CI, 1.43-6.17). Conclusions: There was a high incidence of surgical site infections among the studied population and that some risk factors identified differ from those reported in the scientific literature.
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Affiliation(s)
- Ramon Antônio Oliveira
- Graduate Program in Adult Health Nursing, School of Nursing, University of São Paulo, São Paulo, Brazil
| | - Jorge Marcelo Padilla Mancero
- Liver Transplantation Department, Hospital Santa Casa of São Jose dos Campos, São José dos Campos, São Paulo, Brazil
| | - Dalila Fernanda Faria
- Liver Transplantation Department, Hospital Santa Casa of São Jose dos Campos, São José dos Campos, São Paulo, Brazil
| | - Vanessa de Brito Poveda
- Graduate Program in Adult Health Nursing, School of Nursing, University of São Paulo, São Paulo, Brazil
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Grancini V, Resi V, Palmieri E, Pugliese G, Orsi E. Management of diabetes mellitus in patients undergoing liver transplantation. Pharmacol Res 2019; 141:556-573. [PMID: 30690071 DOI: 10.1016/j.phrs.2019.01.042] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 01/24/2019] [Accepted: 01/24/2019] [Indexed: 02/07/2023]
Abstract
Diabetes is a common feature in cirrhotic individuals both before and after liver transplantation and negatively affects prognosis. Certain aetiological agents of chronic liver disease and loss of liver function per se favour the occurrence of pre-transplant diabetes in susceptible individuals, whereas immunosuppressant treatment, changes in lifestyle habits, and donor- and procedure-related factors contribute to diabetes development/persistence after transplantation. Challenges in the management of pre-transplant diabetes include the profound nutritional alterations characterizing cirrhotic individuals and the limitations to the use of drugs with liver metabolism. Special issues in the management of post-transplant diabetes include the diabetogenic potential of immunosuppressant drugs and the increased cardiovascular risk characterizing solid organ transplant survivors. Overall, the pharmacological management of cirrhotic patients undergoing liver transplantation is complicated by the lack of specific guidelines reflecting the paucity of data on the impact of glycaemic control and the safety and efficacy of anti-hyperglycaemic agents in these individuals.
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Affiliation(s)
- Valeria Grancini
- Diabetes Service, Endocrinology and Metabolic Diseases Unit, IRCCS "Cà Granda - Ospedale Maggiore Policlinico" Foundation, and Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy
| | - Veronica Resi
- Diabetes Service, Endocrinology and Metabolic Diseases Unit, IRCCS "Cà Granda - Ospedale Maggiore Policlinico" Foundation, and Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy
| | - Eva Palmieri
- Diabetes Service, Endocrinology and Metabolic Diseases Unit, IRCCS "Cà Granda - Ospedale Maggiore Policlinico" Foundation, and Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy
| | - Giuseppe Pugliese
- Department of Clinical and Molecular Medicine, "La Sapienza" University, and Diabetes Unit, Sant'Andrea University Hospital, Rome, Italy
| | - Emanuela Orsi
- Diabetes Service, Endocrinology and Metabolic Diseases Unit, IRCCS "Cà Granda - Ospedale Maggiore Policlinico" Foundation, and Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy.
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26
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Soyama A, Kugiyama T, Hara T, Hidaka M, Hamada T, Okada S, Adachi T, Ono S, Takatsuki M, Eguchi S. Efficacy of an artificial pancreas device for achieving tight perioperative glycemic control in living donor liver transplantation. Artif Organs 2018; 43:270-277. [DOI: 10.1111/aor.13373] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 09/13/2018] [Accepted: 10/08/2018] [Indexed: 12/15/2022]
Affiliation(s)
- Akihiko Soyama
- Department of Surgery Nagasaki University Graduate School of Biomedical Sciences Nagasaki Japan
| | - Tota Kugiyama
- Department of Surgery Nagasaki University Graduate School of Biomedical Sciences Nagasaki Japan
| | - Takanobu Hara
- Department of Surgery Nagasaki University Graduate School of Biomedical Sciences Nagasaki Japan
| | - Masaaki Hidaka
- Department of Surgery Nagasaki University Graduate School of Biomedical Sciences Nagasaki Japan
| | - Takashi Hamada
- Department of Surgery Nagasaki University Graduate School of Biomedical Sciences Nagasaki Japan
| | - Satomi Okada
- Department of Surgery Nagasaki University Graduate School of Biomedical Sciences Nagasaki Japan
| | - Tomohiko Adachi
- Department of Surgery Nagasaki University Graduate School of Biomedical Sciences Nagasaki Japan
| | - Shinichiro Ono
- Department of Surgery Nagasaki University Graduate School of Biomedical Sciences Nagasaki Japan
| | - Mitsuhisa Takatsuki
- Department of Surgery Nagasaki University Graduate School of Biomedical Sciences Nagasaki Japan
| | - Susumu Eguchi
- Department of Surgery Nagasaki University Graduate School of Biomedical Sciences Nagasaki Japan
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Huang CJ, Chang CH, Cheng KW, Chen CL, Wu SC, Shih TH, Yang SC, Lee YE, Huang CE, Jawan B, Wang CH, Juang SE. Correlation Between Blood Transfusion and Blood Glucose Levels in Adult Living Donor Liver Transplantation. Transplant Proc 2018; 50:2645-2647. [PMID: 30401367 DOI: 10.1016/j.transproceed.2018.02.203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Accepted: 02/19/2018] [Indexed: 02/07/2023]
Abstract
BACKGROUND To evaluate the effect of dextrose contained in banked blood products on the changes of blood glucose levels in adult living donor liver transplantation patients retrospectively. METHODS Four hundred seventy-seven patients were divided into a non-blood transfusion (BT) group (G1) and a BT group (G2). The changes in blood glucose levels during the operation were compared using a Mann-Whitney U test, and a P value less than .05 was regarded as significant. RESULTS No significant changes were detected in blood glucose levels after anesthesia, during dissection phase, in the anhepatic phase, or after reperfusion between the groups. Estimated blood loss for G1 (n = 89) and G2 (n = 388) were 718 ± 514 and 5804 ± 877 mL respectively, G1 had no blood transfusion but G2 had received 4350 ± 6230 mL leukocyte-poor red blood cell transfusion, the pre- and end operation hemoglobin for G1 and G2 were 13.2 ± 2.0, 10.2 ± 1.9 and 10.1 ± 1.6, 10.2 ± 1.9 mg/dL respectively, indicating that they were not under or over transfused. CONCLUSION When banked blood products are used to replace ongoing blood loss, the dextrose contained in citrate-phosphate-dextrose-adenine seems to have no effect on the changes in the blood glucose levels of the recipients.
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Affiliation(s)
- C-J Huang
- Department of Anesthesiology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - C-H Chang
- Department of Anesthesiology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - K-W Cheng
- Department of Anesthesiology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - C-L Chen
- Department of Surgery and Liver Transplantation Program, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - S-C Wu
- Department of Anesthesiology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - T-H Shih
- Department of Anesthesiology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - S-C Yang
- Department of Anesthesiology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Y-E Lee
- Department of Anesthesiology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - C-E Huang
- Department of Anesthesiology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - B Jawan
- Department of Anesthesiology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - C-H Wang
- Department of Anesthesiology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - S-E Juang
- Department of Anesthesiology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.
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Kang R, Han S, Lee KW, Kim GS, Choi SJ, Ko JS, Lee SH, Gwak MS. Portland Intensive Insulin Therapy During Living Donor Liver Transplantation: Association with Postreperfusion Hyperglycemia and Clinical Outcomes. Sci Rep 2018; 8:16306. [PMID: 30390037 PMCID: PMC6214899 DOI: 10.1038/s41598-018-34655-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Accepted: 10/23/2018] [Indexed: 12/20/2022] Open
Abstract
Many liver transplant recipients experience intraoperative hyperglycemia after graft reperfusion. Accordingly, we introduced the Portland intensive insulin therapy (PoIIT) in our practice to better control blood glucose concentration (BGC). We evaluated the effects of PoIIT by comparing with our conventional insulin therapy (CoIT). Of 128 patients who underwent living donor liver transplantation (LDLT) during the phaseout period of CoIT, 89 were treated with the PoIIT and 39 were treated with CoIT. The primary outcome was hyperglycemia (BGC > 180 mg/dL) during the intraoperative postreperfusion phase. The secondary outcomes were postoperative complications such as infection. The incidence of hyperglycemia (22.5% vs. 53.8%, p = 0.001) and prolonged hyperglycemia for >2 hours (7.9% vs. 30.8%, p = 0.002) was significantly lower in PoIIT group than in CoIT group. A mixed linear model further demonstrated that repeatedly measured BGCs were lower in PoIIT group (p < 0.001). The use of PoIIT was significantly associated with decreases in major infections (OR = 0.23 [0.06-0.85], p = 0.028), prolonged mechanical ventilation (OR = 0.29 [0.09-0.89], p = 0.031), and biliary stricture (OR = 0.23 [0.07-0.78], p = 0.018) after adjustments for age, sex, and diabetes mellitus. In conclusion, the PoIIT is effective for maintaining BGC and preventing hyperglycemia during the intraoperative postreperfusion phase of living donor liver transplantation with potential clinical benefits.
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Affiliation(s)
- RyungA Kang
- Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Sangbin Han
- Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
| | - Kyo Won Lee
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Gaab Soo Kim
- Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Soo Joo Choi
- Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Justin S Ko
- Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Sang Hyun Lee
- Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Mi Sook Gwak
- Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
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29
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Meister KM, Hufford T, Tu C, Khorgami Z, Schauer PR, Brethauer SA, Aminian A. Clinical significance of perioperative hyperglycemia in bariatric surgery: evidence for better perioperative glucose management. Surg Obes Relat Dis 2018; 14:1725-1731. [DOI: 10.1016/j.soard.2018.07.028] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Revised: 06/05/2018] [Accepted: 07/22/2018] [Indexed: 01/04/2023]
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Development of a Predictive Model for Hyperglycemia in Nondiabetic Recipients After Liver Transplantation. Transplant Direct 2018; 4:e393. [PMID: 30498770 PMCID: PMC6233666 DOI: 10.1097/txd.0000000000000830] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Accepted: 07/03/2018] [Indexed: 12/20/2022] Open
Abstract
Background Posttransplant hyperglycemia has been associated with increased risks of transplant rejection, infections, length of stay, and mortality. Methods To establish a predictive model to identify nondiabetic recipients at risk for developing postliver transplant (LT) hyperglycemia, we performed this secondary, retrospective data analysis of a single-center, prospective, randomized, controlled trial of glycemic control among 107 adult LT recipients in the inpatient period. Hyperglycemia was defined as a posttransplant glucose level greater than 200 mg/dL after initial discharge up to 1 month following surgery. Candidate variables with P less than 0.10 in univariate analyses were used to build a multivariable logistic regression model using forward stepwise selection. The final model chosen was based on statistical significance and additive contribution to the model based on the Bayesian Information Criteria. Results Forty-three (40.2%) patients had at least 1 episode of hyperglycemia after transplant after the resolution of the initial postoperative hyperglycemia. Variables selected for inclusion in the model (using model optimization strategies) included length of hospital stay (odds ratio [OR], 0.83; P < 0.001), use of glucose-lowering medications at discharge (OR, 3.76; P = 0.03), donor female sex (OR, 3.18; P = 0.02) and donor white race (OR, 3.62; P = 0.01). The model had good calibration (Hosmer-Lemeshow goodness-of-fit test statistic = 9.74, P = 0.28) and discrimination (C-statistic = 0.78; 95% confidence interval, 0.65-0.81, bias-corrected C-statistic = 0.78). Conclusions Shorter hospital stay, use of glucose-lowering medications at discharge, donor female sex and donor white race are important determinants in predicting hyperglycemia in nondiabetic recipients after hospital discharge up to 1 month after liver transplantation.
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Preoperative nutrition and postoperative liver function: a correlation study of pediatric living donor liver transplantation. FRONTIERS OF NURSING 2018. [DOI: 10.2478/fon-2018-0020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Abstract
Objective
There is little information focusing on the nutritional issue of pediatric recipients before they receive living donor liver transplantation. This study illustrates the relationship between nutritional status and graft liver function and provides a reference regarding nutritional interventions in future studies.
Methods
We prospectively collected data from 30 pediatric living donor liver transplant recipients from January 1, 2016, to June 30, 2016. The information included demographic data, preoperative nutritional assessment, and postoperative laboratory examinations. The nutritional assessment included the serum concentration of vitamin D, bone density, trace element, and weight Z value. The laboratory examinations included white blood cell count, neutrophil percentage, hemoglobin, blood platelet, total protein, albumin, total bilirubin, direct bilirubin, alanine transaminase, aspartate aminotransferase (AST), alkaline phosphatase, gamma-glutamyl transpeptidase, creatinine, bile acid, blood glucose (Glu), prothrombin time, international normalized ratio, tacrolimus concentration, and graft-to-recipient weight ratio (GRWR). The data were collected on Days 1, 2, 3, 4, 5, 6, 7, 14, 30, and 60 after liver transplantation.
Results
The recipients consisted of 15 (50%) males and 15 (50%) females. The median age was 7 months (4–48 months). The mean height and weight were 69.07±9.98 cm and 8.09±2.63 kg, respectively. According to the univariate analysis, the gender, diagnosis, blood type, and GRWR did not significantly impact the liver function after the operation. The posttransplantation AST levels and Glu showed significant differences in terms of the nutritional status, with P<0.05. The multivariate correlation analysis showed that the serum concentrations of vitamin D and AST were midrange positively correlated, with P<0.05.
Conclusions
The nutritional status of patients with biliary atresia is relatively poor. There is a definite midrange positive correlation between nutrition and graft liver function that might play a relatively important role in the recovery of the graft.
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Ramos-Prol A, Hervás-Marín D, Rodríguez-Medina B, Rubio-Almanza M, Berenguer M, Moya-Herraiz Á, Merino-Torres JF. Intensified blood glucose treatment in diabetic patients undergoing a liver transplant: impact on graft evolution at 3 months and at 5 years. J Endocrinol Invest 2018; 41:821-829. [PMID: 29289983 DOI: 10.1007/s40618-017-0810-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Accepted: 12/14/2017] [Indexed: 01/08/2023]
Abstract
PURPOSE The debate about the impact of intensified hyperglycemia treatment is still ranging. The main objective was to assess whether intensive glycemic control in hospitalized diabetic patients undergoing a liver transplant is associated with a lower rate of graft rejection at 3 months and at 5 years post-transplant. METHODS Cross-sectional study comparing a cohort of patients undergoing liver transplant in 2010 and 2011, in whom an intensive insulin protocol was applied, with a retrospective group of patients undergoing a liver transplant in 2005 and 2006, in whom a conventional insulin protocol was applied. Both diabetics and non-diabetics were compared. As intensive insulin therapy is applied mainly in diabetic patients, it is expected that, when comparing both periods, the treatment would only benefit those patients. RESULTS The logistic regression model showed a statistically significant interaction between the treatment group and the presence of diabetes for the rejection rate 3 months and 5 years post-transplant. At both time points, the intensive insulin treatment group had lower rejection rates in the case of diabetic patients, which did not occur in non-diabetic patients. CONCLUSIONS Our study shows a decrease in the rate of liver graft rejection in diabetic patients undergoing intensive insulin treatment.
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Affiliation(s)
- A Ramos-Prol
- Endocrinology and Nutrition Department, Hospital Universitario y Politécnico La Fe, Valencia, Spain
- Unidad Mixta de Investigación de Endocrinología, Nutrición y Dietética, Instituto de Investigación Sanitaria La Fe (Health Research Institute La Fe), Valencia, Spain
- Department of Internal Medicine (Endocrinology and Nutrition), Hospital Francesc de Borja, Gandía, Spain
| | - D Hervás-Marín
- Biostatistics Unit, Health Research Institute La Fe, Valencia, Spain
| | - B Rodríguez-Medina
- Liver Transplantation and Hepatology Unit, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - M Rubio-Almanza
- Endocrinology and Nutrition Department, Hospital Universitario y Politécnico La Fe, Valencia, Spain
- Unidad Mixta de Investigación de Endocrinología, Nutrición y Dietética, Instituto de Investigación Sanitaria La Fe (Health Research Institute La Fe), Valencia, Spain
| | - M Berenguer
- Liver Transplantation and Hepatology Unit, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Á Moya-Herraiz
- Liver Transplantation and Hepatology Unit, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - J F Merino-Torres
- Endocrinology and Nutrition Department, Hospital Universitario y Politécnico La Fe, Valencia, Spain.
- Unidad Mixta de Investigación de Endocrinología, Nutrición y Dietética, Instituto de Investigación Sanitaria La Fe (Health Research Institute La Fe), Valencia, Spain.
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Paka P, Lieber SR, Lee RA, Desai CS, Dupuis RE, Barritt AS. Perioperative glucose management and outcomes in liver transplant recipients: A qualitative systematic review. World J Transplant 2018; 8:75-83. [PMID: 29988867 PMCID: PMC6033739 DOI: 10.5500/wjt.v8.i3.75] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Revised: 02/20/2018] [Accepted: 04/01/2018] [Indexed: 02/05/2023] Open
Abstract
AIM To investigate the relationship between post-liver transplantation (LT) glycemic control and LT outcomes. METHODS A qualitative systematic review on relevant prospective interventions designed to control glucose levels including insulin protocols. Studies investigating an association between glycemic control and post-LT outcomes such as mortality, graft rejection, and infection rate were reviewed. PubMed, EMBASE, and other databases were searched through October 2016. RESULTS Three thousands, six hundreds and ninety-two patients from 14 studies were included. Higher mortality rate was seen when blood glucose (BG) ≥ 150 mg/dL (P = 0.05). BG ≥ 150 mg/dL also led to higher rates of infection. Higher rates of graft rejection were seen at BG > 200 mg/dL (P < 0.001). Mean BG ≥ 200 mg/dL was associated with more infections (P = 0.002). Nurse-initiated protocols and early screening strategies have shown a reduction in negative post-LT outcomes. CONCLUSION Hyperglycemia in the perioperative period is associated with poor post-LT outcomes. Only a few prospective studies have designed interventions aimed at managing post-LT hyperglycemia, post-transplant diabetes mellitus (PTDM) and their impact on post-LT outcomes.
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Affiliation(s)
- Prani Paka
- Division of Pharmacotherapy and Experimental Therapeutics, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599, United States
| | - Sarah R Lieber
- Division of Gastroenterology and Hepatology, Department of Medicine, University of North Carolina, Chapel Hill, NC 27599, United States
| | - Ruth-Ann Lee
- Division of Abdominal Transplant, Department of Surgery, University of North Carolina School of Medicine, Chapel Hill, NC 27599, United States
| | - Chirag S Desai
- Division of Abdominal Transplant, Department of Surgery, University of North Carolina School of Medicine, Chapel Hill, NC 27599, United States
| | - Robert E Dupuis
- Division of Pharmacotherapy and Experimental Therapeutics, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599, United States
| | - Alfred Sidney Barritt
- Division of Gastroenterology and Hepatology, Department of Medicine, University of North Carolina, Chapel Hill, NC 27599, United States
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Robson JP, Kokhanenko P, Marshall JK, Phillips AR, van der Linden J. Increased visceral tissue perfusion with heated, humidified carbon dioxide insufflation during open abdominal surgery in a rodent model. PLoS One 2018; 13:e0195465. [PMID: 29617447 PMCID: PMC5884566 DOI: 10.1371/journal.pone.0195465] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Accepted: 03/22/2018] [Indexed: 01/07/2023] Open
Abstract
Tissue perfusion during surgery is important in reducing surgical site infections and promoting healing. This study aimed to determine if insufflation of the open abdomen with heated, humidified (HH) carbon dioxide (CO2) increased visceral tissue perfusion and core body temperature during open abdominal surgery in a rodent model. Using two different rodent models of open abdominal surgery, visceral perfusion and core temperature were measured. Visceral perfusion was investigated using a repeated measures crossover experiment with rodents receiving the same sequence of two alternating treatments: exposure to ambient air (no insufflation) and insufflation with HH CO2. Core body temperature was measured using an independent experimental design with three treatment groups: ambient air, HH CO2 and cold, dry (CD) CO2. Visceral perfusion was measured by laser speckle contrast analysis (LASCA) and core body temperature was measured with a rectal thermometer. Insufflation with HH CO2 into a rodent open abdominal cavity significantly increased visceral tissue perfusion (2.4 perfusion units (PU)/min (95% CI 1.23-3.58); p<0.0001) compared with ambient air, which significantly reduced visceral blood flow (-5.20 PU/min (95% CI -6.83- -3.58); p<0.0001). Insufflation of HH CO2 into the open abdominal cavity significantly increased core body temperature (+1.15 ± 0.14°C) compared with open cavities exposed to ambient air (-0.65 ± 0.52°C; p = 0.037), or cavities insufflated with CD CO2 (-0.73 ± 0.33°C; p = 0.006). Abdominal visceral temperatures also increased with HH CO2 insufflation compared with ambient air or CD CO2, as shown by infrared thermography. This study reports for the first time the use of LASCA to measure visceral perfusion in open abdominal surgery and shows that insufflation of open abdominal cavities with HH CO2 significantly increases visceral tissue perfusion and core body temperature.
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Affiliation(s)
| | | | | | - Anthony R. Phillips
- School of Biological Sciences, University of Auckland, Auckland, New Zealand
| | - Jan van der Linden
- Department of Molecular Medicine and Surgery, Karolinska Institute, Stockholm, Sweden
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35
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Perioperative Glycemic Control in Patients With Diabetes. J Perianesth Nurs 2018; 33:226-231. [DOI: 10.1016/j.jopan.2018.01.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Accepted: 01/04/2018] [Indexed: 12/26/2022]
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36
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Peláez-Jaramillo MJ, Cárdenas-Mojica AA, Gaete PV, Mendivil CO. Post-Liver Transplantation Diabetes Mellitus: A Review of Relevance and Approach to Treatment. Diabetes Ther 2018; 9:521-543. [PMID: 29411291 PMCID: PMC6104273 DOI: 10.1007/s13300-018-0374-8] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Indexed: 02/08/2023] Open
Abstract
Post-liver transplantation diabetes mellitus (PLTDM) develops in up to 30% of liver transplant recipients and is associated with increased risk of mortality and multiple morbid outcomes. PLTDM is a multicausal disorder, but the main risk factor is the use of immunosuppressive agents of the calcineurin inhibitor (CNI) family (tacrolimus and cyclosporine). Additional factors, such as pre-transplant overweight, nonalcoholic steatohepatitis and hepatitis C virus infection, may further increase risk of developing PLTDM. A diagnosis of PLTDM should be established only after doses of CNI and steroids are stable and the post-operative stress has been overcome. The predominant defect induced by CNI is insulin secretory dysfunction. Plasma glucose control must start immediately after the transplant procedure in order to improve long-term results for both patient and transplant. Among the better known antidiabetics, metformin and DPP-4 inhibitors have a particularly benign profile in the PLTDM context and are the preferred oral agents for long-term management. Insulin therapy is also an effective approach that addresses the prevailing pathophysiological defect of the disorder. There is still insufficient evidence about the impact of newer families of antidiabetics (GLP-1 agonists, SGLT-2 inhibitors) on PLTDM. In this review, we summarize current knowledge on the epidemiology, pathogenesis, course of disease and medical management of PLTDM.
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Affiliation(s)
| | | | - Paula V Gaete
- Universidad de los Andes School of Medicine, Bogotá, Colombia
| | - Carlos O Mendivil
- Universidad de los Andes School of Medicine, Bogotá, Colombia.
- Endocrinology Section, Department of Internal Medicine, Fundación Santa Fe de Bogotá, Bogotá, Colombia.
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Abstract
PURPOSE OF REVIEW Diabetes is the most prevalent long-term metabolic condition and its incidence continues to increase unabated. Patients with diabetes are overrepresented in the surgical population. It has been well recognized that poor perioperative diabetes control is associated with poor surgical outcomes. The outcomes are worst for those people who were not recognized as having hyperglycaemia. RECENT FINDINGS Recent work has shown that preoperative recognition of diabetes and good communication between the clinical teams at all stages of the patient pathway help to minimize the potential for errors, and improve glycaemic control. The stages of the patient journey start in primary care and end when the patient goes home. The early involvement of the diabetes specialist team is important if the glycated haemoglobin is more than 8.5%, and advice sought if the preoperative assessment team is not familiar with the drug regimens. To date the glycaemic targets for the perioperative period have remained uncertain, but recently a consensus is being reached to ensure glucose levels remain between 108 and180 mg/dl (6.0 and 10.0 mmol/l). There have been a number of ways to achieve these - primarily by manipulating the patients' usual diabetes medications, to also allow day of surgery admission. SUMMARY glycaemic control remains an important consideration in the surgical patient.
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Giráldez E, Varo E, Guler I, Cadarso-Suarez C, Tomé S, Barral P, Garrote A, Gude F. Post-operative stress hyperglycemia is a predictor of mortality in liver transplantation. Diabetol Metab Syndr 2018; 10:35. [PMID: 29713388 PMCID: PMC5909230 DOI: 10.1186/s13098-018-0334-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2016] [Accepted: 04/07/2018] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND A significant association is known between increased glycaemic variability and mortality in critical patients. To ascertain whether glycaemic profiles during the first week after liver transplantation might be associated with long-term mortality in these patients, by analysing whether diabetic status modified this relationship. METHOD Observational long-term survival study includes 642 subjects undergoing liver transplantation from July 1994 to July 2011. Glucose profiles, units of insulin and all variables with influence on mortality are analysed using joint modelling techniques. RESULTS Patients registered a survival rate of 85% at 1 year and 65% at 10 years, without differences in mortality between patients with and without diabetes. In glucose profiles, however, differences were observed between patients with and without diabetes: patients with diabetes registered lower baseline glucose values, which gradually rose until reaching a peak on days 2-3 and then subsequently declined, diabetic subjects started from higher values which gradually decreased across the first week. Patients with diabetes showed an association between mortality and age, Model for End-Stage Liver Disease score (MELD) score and hepatitis C virus; among non-diabetic patients, mortality was associated with age, body mass index, malignant aetiology, red blood cell requirements and parenteral nutrition. Glucose profiles were observed to be statistically associated with mortality among patients without diabetes (P = 0.022) but not among patients who presented with diabetes prior to transplantation (P = 0.689). CONCLUSIONS Glucose profiles during the first week after liver transplantation are different in patients with and without diabetes. While glucose profiles are associated with long-term mortality in patients without diabetes, after adjusting for potential confounding variables such as age, cause of transplantation, MELD, nutrition, immunosuppressive drugs, and units of insulin administered, this does not occur among patients with diabetes.
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Affiliation(s)
- Elena Giráldez
- Intensive Care Unit, Hospital Clínico Universitario de Santiago, Travesia da Choupana s/n, 15706 Santiago, Spain
| | - Evaristo Varo
- Abdominal Transplantation Unit, Hospital Clínico Universitario de Santiago, Santiago, Spain
| | - Ipek Guler
- Biostatistics Unit, Department of Statistics and Operations Research, University of Santiago de Compostela, Santiago, Spain
| | - Carmen Cadarso-Suarez
- Biostatistics Unit, Department of Statistics and Operations Research, University of Santiago de Compostela, Santiago, Spain
| | - Santiago Tomé
- Abdominal Transplantation Unit, Hospital Clínico Universitario de Santiago, Santiago, Spain
| | - Patricia Barral
- Intensive Care Unit, Hospital Clínico Universitario de Santiago, Travesia da Choupana s/n, 15706 Santiago, Spain
| | - Antonio Garrote
- Intensive Care Unit, Hospital Clínico Universitario de Santiago, Travesia da Choupana s/n, 15706 Santiago, Spain
| | - Francisco Gude
- Clinical Epidemiology Unit, Hospital Clínico Universitario de Santiago, Santiago, Spain
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Oliveira RA, Turrini RNT, Poveda VDB. Risk factors for development of surgical site infections among liver transplantation recipients: An integrative literature review. Am J Infect Control 2018; 46:88-93. [PMID: 28689978 DOI: 10.1016/j.ajic.2017.05.021] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Revised: 05/23/2017] [Accepted: 05/24/2017] [Indexed: 12/28/2022]
Abstract
BACKGROUND Surgical site infection (SSI) is an important complication in the postoperative period of recipients of liver transplantation. The purpose of this integrative literature review is to summarize the knowledge available about the risk factors contributing to the development SSI among adults undergoing liver transplantation. METHODS We reviewed the Medical Literature Analysis and Retrieval System Online/PubMed, the Cumulative Index to Nursing and Allied Health Literature, the Latin American and Caribbean Health Sciences Literature, Scopus, and Web of Science databases. RESULTS Two hundred sixteen articles were identified and the final sample of 9 articles was analyzed in full length. The SSI rate found in the investigations ranged between 9.6% and 35.5%. Risk factors for SSI were grouped into categories related to the preoperative period, such as Model for End-Stage Renal Disease score > 35 and ventilated support on day of transplant; to the intraoperative period activity, such as transfusion of packed red blood cells, extended surgical time, hyperglycemia >200 mg/dL, use of vasopressor drugs, and ascites flow >1 L; and to the donor/recipient relationship, such as age differences >10 years, ratio of donor liver mass to recipient body mass < 0.01. Additionally, centers that annually perform <50 transplants appear to have higher rates of SSI. CONCLUSIONS Few studies have addressed the subject of SSI in relation to liver transplantation in the scientific literature. Risk factors for SSI in patients who underwent liver transplantation vary between institutions.
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Perioperative Antibiotic Prophylaxis to Prevent Surgical Site Infections in Solid Organ Transplantation. Transplantation 2018; 102:21-34. [DOI: 10.1097/tp.0000000000001848] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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41
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Basal-bolus insulin therapy in postoperative inpatients with diabetes mellitus: directions for future quality-improvement initiatives. Future Sci OA 2017; 4:FSO256. [PMID: 29255628 PMCID: PMC5729596 DOI: 10.4155/fsoa-2017-0099] [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: 08/11/2017] [Accepted: 09/22/2017] [Indexed: 11/17/2022] Open
Abstract
Aim To determine variables associated with hyperglycemia and insulin therapy in postoperative inpatients with diabetes mellitus following a quality-improvement initiative. Materials & methods Patients with diabetes mellitus following an elective surgical procedure (n = 782; 877 surgical procedures) were selected. Results Age, hemoglobin A1c corticosteroids, insulin therapy and year of surgery were associated (p < 0.01) with hyperglycemia. Hemoglobin A1c, hyperglycemia, case mix index and corticosteroids were associated (p ≤ 0.03) with insulin therapy. Hyperglycemia and use of insulin varied by surgical specialty. Conclusion Data could be used to modify current treatment algorithms. Variations in hyperglycemia and insulin use by surgical specialty require further investigation.
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Stewart CL, Gleisner A, Halpern A, Ibrahim-Zada I, Luna RA, Pearlman N, Gajdos C, Edil B, McCarter M. Implications of Hyperthermic Intraperitoneal Chemotherapy Perfusion-Related Hyperglycemia. Ann Surg Oncol 2017; 25:655-659. [PMID: 29204776 DOI: 10.1245/s10434-017-6284-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2017] [Indexed: 12/15/2022]
Abstract
BACKGROUND Hyperthermic intraperitoneal chemotherapy (HIPEC) administration can be associated with hyperglycemia during perfusion. Little is known about this effect, and no previous studies have examined patient characteristics associated with perfusion-related hyperglycemia. METHODS We retrospectively identified consecutive patients at a single institution treated with HIPEC from 8/2003 to 10/2016 who had intraoperative blood glucose measured. Hypertonic 1.5% dextrose-containing peritoneal dialysate was used as carrier solution in all patients. Comparisons were made using parametric [Student's t test, analysis of variance (ANOVA)], and nonparametric tests (χ 2, Kruskal-Wallis) where appropriate. RESULTS There were 85 patients identified, with average age of 53 ± 12 years, 69 (81%) with appendiceal or colorectal peritoneal cancer. Most patients were perfused with mitomycin C (69%) or oxaliplatin (24%). Intraoperative hyperglycemia (> 180 mg/dL) affected the majority of patients (86%), with values up to 651 mg/dL. Insulin was required for treatment in 66% of patients. Peak hyperglycemia occurred within an hour of perfusion in 91%, and resolved by postoperative day one in 91% of patients. Glucose > 309 mg/dL (highest quartile) was associated with longer operating time (p = 0.03) and with use of oxaliplatin compared with mitomycin C (p = 0.01). No association was found with other comorbidities, peritoneal carcinomatosis index score, or postoperative outcomes. CONCLUSIONS Most patients experience hyperglycemia during HIPEC. This is not clearly associated with patient factors, and may be due to use of dextrose-containing carrier solution. Since perioperative hyperglycemia has potential negative impact, use of dextrose-containing carrier solution should be questioned and is worth investigating further.
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Affiliation(s)
- Camille L Stewart
- Department of Surgery, The University of Colorado School of Medicine, Aurora, CO, USA.
| | - Ana Gleisner
- Department of Surgery, The University of Colorado School of Medicine, Aurora, CO, USA
| | - Alison Halpern
- Department of Surgery, The University of Colorado School of Medicine, Aurora, CO, USA
| | - Irada Ibrahim-Zada
- Department of Surgery, The University of Colorado School of Medicine, Aurora, CO, USA
| | - Rodrigo Asturias Luna
- Department of Surgery, The University of Colorado School of Medicine, Aurora, CO, USA
| | - Nathan Pearlman
- Department of Surgery, The University of Colorado School of Medicine, Aurora, CO, USA
| | - Csaba Gajdos
- Department of Surgery, The University of Colorado School of Medicine, Aurora, CO, USA
| | - Barish Edil
- Department of Surgery, The University of Colorado School of Medicine, Aurora, CO, USA
| | - Martin McCarter
- Department of Surgery, The University of Colorado School of Medicine, Aurora, CO, USA
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Hammad A, Kaido T, Aliyev V, Mandato C, Uemoto S. Nutritional Therapy in Liver Transplantation. Nutrients 2017; 9:E1126. [PMID: 29035319 PMCID: PMC5691742 DOI: 10.3390/nu9101126] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Revised: 10/10/2017] [Accepted: 10/12/2017] [Indexed: 12/11/2022] Open
Abstract
Protein-energy malnourishment is commonly encountered in patients with end-stage liver disease who undergo liver transplantation. Malnutrition may further increase morbidity, mortality and costs in the post-transplantation setting. The importance of carefully assessing the nutritional status during the work-up of patients who are candidates for liver replacement is widely recognized. The metabolic abnormalities induced by liver failure render the conventional assessment of nutritional status to be challenging. Preoperative loss of skeletal muscle mass, namely, sarcopenia, has a significant detrimental impact on post-transplant outcomes. It is essential to provide sufficient nutritional support during all phases of liver transplantation. Oral nutrition is preferred, but tube enteral nutrition may be required to provide the needed energy intake. Herein, the latest currently employed perioperative nutritional interventions in liver transplant recipients are thoroughly illustrated including synbiotics, micronutrients, branched-chain amino acid supplementation, immunonutrition formulas, fluid and electrolyte balance, the offering of nocturnal meals, dietary counselling, exercise and rehabilitation.
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Affiliation(s)
- Ahmed Hammad
- Division of Hepato-Biliary-Pancreatic and Transplant Surgery, Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto 606-8501, Japan.
- Department of General Surgery, Mansoura University, Mansoura 35516, Egypt.
| | - Toshimi Kaido
- Division of Hepato-Biliary-Pancreatic and Transplant Surgery, Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto 606-8501, Japan.
| | - Vusal Aliyev
- Division of Hepato-Biliary-Pancreatic and Transplant Surgery, Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto 606-8501, Japan.
| | - Claudia Mandato
- L'AORN Children's Hospital Santobono and Pausilipon, Napoli 80122, Italy.
| | - Shinji Uemoto
- Division of Hepato-Biliary-Pancreatic and Transplant Surgery, Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto 606-8501, Japan.
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Yoo S, Lee HJ, Lee H, Ryu HG. Association Between Perioperative Hyperglycemia or Glucose Variability and Postoperative Acute Kidney Injury After Liver Transplantation: A Retrospective Observational Study. Anesth Analg 2017; 124:35-41. [PMID: 27749341 DOI: 10.1213/ane.0000000000001632] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
BACKGROUND Glucose control can be difficult in the intraoperative and immediate postoperative period of liver transplantation. Hyperglycemia and glucose variability have been associated with acute kidney injury (AKI) in critically ill patients. We performed a retrospective study to test the hypothesis that perioperative glucose levels represented by time-weighted average glucose levels and glucose variability are independently associated with the incidence of postoperative AKI in patients undergoing liver transplantation. METHODS On the basis of blood glucose levels during liver transplantation and the initial 48 hours postoperatively, adult liver transplant recipients were classified into 4 groups according to their time-weighted average glucose: normoglycemia (80-200 mg/dL), mild hyperglycemia (200-250 mg/dL), moderate hyperglycemia (250-300 mg/dL), and severe hyperglycemia (>300 mg/dL) group. Patients were also classified into quartiles depending on their glucose variability, defined as the standard deviation of glucose measurements. The primary outcome was postoperative AKI. RESULTS AKI after liver transplantation was more common in the patients with greater perioperative glucose variability (first versus third quartile; OR, 2.47 [95%CI, 1.22-5.00], P = .012; first versus fourth quartile; OR, 2.16 [95% CI, 1.05-4.42], P = .035). CONCLUSIONS Our study suggests that increased perioperative glucose variability, but not hyperglycemia, is independently associated with increased risk of postoperative AKI in liver transplantation recipients.
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Affiliation(s)
- Seokha Yoo
- From the Department of Anesthesiology, Seoul National University Hospital, Seoul, Korea
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45
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Postoperative hyperglycemia in nondiabetic patients after gastric surgery for cancer: perioperative outcomes. Gastric Cancer 2017; 20:536-542. [PMID: 27339152 DOI: 10.1007/s10120-016-0621-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2015] [Accepted: 06/02/2016] [Indexed: 02/07/2023]
Abstract
BACKGROUND Hyperglycemia (HG) is widely known to be associated with increased postoperative complications after colorectal surgery. Very few data on the effects of HG on patients after gastric surgery for cancer are reported in literature. The aim of this study was to evaluate the effects of postoperative HG in non-diabetic patients undergoing gastrectomy for cancer. METHODS One hundred and ninety-three consecutive gastrectomies for cancer performed between January 2010 and December 2015 were considered. Diabetic patients, and those undergoing pancreatic resections were excluded. Postoperative blood glucose levels were monitored in the first 72 h after surgery. Postoperative complications, mortality, and postoperative course were analyzed in patients who experienced postoperative HG (blood glucose level; BGL > 125 mg/dl) compared with euglycemic patients (BGL ≤ 125 mg/dl). Differences between mild HG (BGL between 125 and 200 mg/dl) and severe HG (BGL ≥ 200 mg/dl) were also analyzed. RESULTS Ninety-six patients (55.5 %) experienced postoperative HG. In 11 patients (6.4 %), a severe postoperative HG was found. Postoperative BGL > 200 mg/dl was related to worse outcomes than those experienced by euglycemic patients (and even than patients who experienced mild postoperative HG). The postoperative complications rate was 24.8 % (43 patients out of 173), but significantly higher in patients with postoperative severe HG compared to mild HG and normoglycemic patients (63.6, 30.6, and 13 %, respectively, p < 0.001). CONCLUSION Poor postoperative glycemic control seems to be related to worse postoperative outcomes even in patients undergoing elective gastric surgery for cancer.
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Postoperative Care of the Liver Transplant Recipient. ANESTHESIA AND PERIOPERATIVE CARE FOR ORGAN TRANSPLANTATION 2017. [PMCID: PMC7120127 DOI: 10.1007/978-1-4939-6377-5_29] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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47
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Glucose Metabolism and Associated Outcome After Pediatric Liver Transplantation. Transplant Proc 2016; 48:2709-2713. [PMID: 27788805 DOI: 10.1016/j.transproceed.2016.08.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Accepted: 08/03/2016] [Indexed: 11/24/2022]
Abstract
BACKGROUND Despite hypoglycemia and hyperglycemia being frequently observed in the early postoperative phase, information on glucose metabolism after pediatric liver transplantation (pLT) is scarce. METHODS The goal of this retrospective single-center study, which included 46 patients who consecutively underwent 55 liver transplantations, was to gather data on glucose uptake, the prognostic relevance of hyperglycemia, and the safety of insulin administration in patients after pLT. RESULTS In this study population, glucose intake to keep blood sugar levels (BSLs) within the targeted range of 120 to 200 mg/dL (6.7-11.1 mmol/L) increased rapidly over the first few postoperative days and was significantly correlated with graft function. There was no association between a postoperative daily mean BSL >200 mg/dL and specific posttransplant complications (acute rejection, infection, need for retransplantation, and/or death). High postoperative mean 7-day BSLs were associated with poor glucose metabolism and an increase in morbidity and 6-month posttransplant mortality. Hypoglycemia was not observed under insulin administration. CONCLUSIONS With high BSLs being associated with poor glucose metabolism, it is likely that the critical illness itself, in addition to poor graft function, causes the increase in morbidity and mortality, with hyperglycemia serving as a marker.
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Khan RS, Newsome PN. Non-alcoholic fatty liver disease and liver transplantation. Metabolism 2016; 65:1208-23. [PMID: 26997540 DOI: 10.1016/j.metabol.2016.02.013] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Revised: 02/01/2016] [Accepted: 02/23/2016] [Indexed: 02/07/2023]
Abstract
Cirrhosis secondary to non-alcoholic steatohepatitis (NASH) is a common indication for liver transplant. In comparison to other cirrhotic patients, patients with NASH cirrhosis are more likely to be older and have the metabolic syndrome. Pre-transplant, patients require careful evaluation of cardiovascular risk. As the incidence of non-alcoholic fatty liver disease (NAFLD) is rising, a greater proportion of donor grafts have steatosis greater than 30%, which is associated with poor outcomes. Grafts with steatosis greater than 60% are unsuitable for transplant. Overall, post-transplant survival outcomes for patients with NASH cirrhosis are similar to those with cirrhosis without NASH. However, NASH cirrhosis is associated with a higher 30-day mortality, predominantly from an increase in cardiovascular events and infections. Following liver transplant, there is a significant risk of NASH recurrence, although this seldom results in allograft loss. Furthermore, a significant number of patients who had a liver transplant for other reasons develop NASH de novo. When patients with NASH cirrhosis are considered for transplant, one of the major challenges lies in identifying which patients are too high risk for surgery. This review aims to provide information to aid this decision making process, and to provide guidance on the peri-operative care strategies that can modify risk.
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Affiliation(s)
- Reenam S Khan
- Gastroenterology and Hepatology, NIHR Birmingham Liver BRU and Centre for Liver Research, University of Birmingham, Birmingham, UK, B15 2TH.
| | - Philip N Newsome
- Hepatology, NIHR Birmingham Liver BRU and Centre for Liver Research, University of Birmingham, Birmingham, UK, B15 2TH.
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Han S, Jin SM, Ko JS, Kim YR, Gwak MS, Son HJ, Joh JW, Kim GS. Association between Serum Bilirubin and Acute Intraoperative Hyperglycemia Induced by Prolonged Intermittent Hepatic Inflow Occlusion in Living Liver Donors. PLoS One 2016; 11:e0156957. [PMID: 27367602 PMCID: PMC4930162 DOI: 10.1371/journal.pone.0156957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2016] [Accepted: 05/02/2016] [Indexed: 11/19/2022] Open
Abstract
Background Intermittent hepatic inflow occlusion (IHIO) is associated with acute hyperglycemia during living donor hepatectomy when the ischemia is prolonged. Bilirubin is a potent antioxidant to play an important role for maintaining insulin sensitivity and preventing hyperglycemia. Thus, we aimed to test whether serum bilirubin level is associated with prolonged IHIO-induced intraoperative hyperglycemia. Methods Seventy-five living liver donors who underwent a prolonged IHIO with a >30 minute cumulative ischemia were included. The association between preoperative serum bilirubin concentrations and the risk of intraoperative hyperglycemia (blood glucose concentration >180 mg/dl) was analyzed using binary logistic regression with adjusting for potential confounders including age and steatosis. Results The number of donors who underwent 3, 4, 5, and 6 rounds of IHIO was 41, 22, 7, and 5, respectively. Twenty-nine (35%) donors developed intraoperative hyperglycemia. Total bilirubin concentration was inversely associated with hyperglycemia risk (odds ratio [OR] 0.033, 95% confidence interval [CI] 0.004–0.313, P = 0.003). There was an interaction between age and total bilirubin concentration: the effect of lower serum total bilirubin (≤0.7 mg/dl) on the development of hyperglycemia was greater in older donors (>40 years) than in younger donors (P = 0.0.028 versus P = 0.212). Both conjugated bilirubin (OR 0.001 95% CI 0.001–0.684) and unconjugated bilirubin (OR 0.011 95% CI 0.001–0.246) showed an independent association with hyperglycemia risk. Conclusions Lower preoperative serum bilirubin was associated with greater risk of prolonged IHIO-induced hyperglycemia during living donor hepatectomy particularly in older donors. Thus, more meticulous glycemic management is recommended when prolonged IHIO is necessary for surgical purposes in old living donors with lower serum bilirubin levels.
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Affiliation(s)
- Sangbin Han
- Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
- Department of Anesthesiology and Pain Medicine, Kangwon National University School of Medicine, Chuncheon, Korea
| | - Sang-Man Jin
- Division of Endocrinology and Metabolism, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Justin Sangwook Ko
- Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Young Ri Kim
- Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Mi Sook Gwak
- Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Hee Jeong Son
- Department of Anesthesiology and Pain Medicine, Kangwon National University School of Medicine, Chuncheon, Korea
| | - Jae-Won Joh
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Gaab Soo Kim
- Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
- * E-mail:
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Patel YA, Berg CL, Moylan CA. Nonalcoholic Fatty Liver Disease: Key Considerations Before and After Liver Transplantation. Dig Dis Sci 2016; 61:1406-16. [PMID: 26815171 PMCID: PMC5344743 DOI: 10.1007/s10620-016-4035-3] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Accepted: 01/09/2016] [Indexed: 02/06/2023]
Abstract
Nonalcoholic fatty liver disease (NAFLD) is the most common etiology of chronic liver disease in developed countries and is on trajectory to become the leading indication for liver transplantation in the USA and much of the world. Patients with NAFLD cirrhosis awaiting liver transplant face unique challenges and increased risk for waiting list stagnation and dropout due to burdensome comorbidities including obesity, diabetes, cardiovascular disease, and kidney disease. Thus far, patients transplanted for NAFLD cirrhosis have excellent mid- and long-term patient and graft survival, but concerns regarding short-term morbidity and mortality continue to exist. Post-liver transplantation, NAFLD occurs as both a recurrent and de novo manifestation, each with unique outcomes. NAFLD in the donor population is of concern given the growing demand for liver transplantation and mounting pressure to expand the donor pool. This review addresses key issues surrounding NAFLD as an indication for transplantation, including its increasing prevalence, unique patient demographics, outcomes related to liver transplantation, development of post-liver transplantation NAFLD, and NAFLD in the liver donor population. It also highlights exciting areas where further research is needed, such as the role of bariatric surgery and preconditioning of marginal donor grafts.
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Affiliation(s)
- Yuval A. Patel
- Division of Gastroenterology, Department of Medicine, Duke University School of Medicine, Duke University Medical Center, 905 South LaSalle Street, DUMC 3256, GSRB1, Durham, NC 27710, USA
| | - Carl L. Berg
- Division of Gastroenterology, Department of Medicine, Duke University School of Medicine, Duke University Medical Center, 905 South LaSalle Street, DUMC 3256, GSRB1, Durham, NC 27710, USA
| | - Cynthia A. Moylan
- Division of Gastroenterology, Department of Medicine, Duke University School of Medicine, Duke University Medical Center, 905 South LaSalle Street, DUMC 3256, GSRB1, Durham, NC 27710, USA,Division of Gastroenterology, Department of Medicine, Durham Veterans Affairs Medical Center, Durham, NC 27705, USA
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