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Davis ES, Seda P, Kolodziej DT, Villa AT, Feng L, DiGioia O, Nayyar A, Jehan FS, Aziz H. The Association Between Low Preoperative Phosphate Levels and Postliver Surgery Outcomes-A Single Center Experience. J Surg Res 2024; 299:145-150. [PMID: 38759329 DOI: 10.1016/j.jss.2024.04.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 04/06/2024] [Accepted: 04/22/2024] [Indexed: 05/19/2024]
Abstract
INTRODUCTION Previous research has demonstrated the impact of postoperative phosphate levels on liver regeneration and outcomes after liver resection surgeries, a potential predictor for regenerative success and liver failure. However, little is known about the association between low preoperative serum phosphate levels and outcomes in liver resections. METHODS We performed a retrospective analysis of liver resections performed at our institution. Patients were categorized based on preoperative phosphate levels (low versus normal). Our primary outcome measure was posthepatectomy liver failure. RESULTS A total of 265 cases met the study criteria. 71 patients (26.7%) had low preoperative phosphate levels. The incidence of posthepatectomy liver failure was higher in the low preoperative phosphate group (19.2% versus 12.4%). However, after propensity score matching, rates of posthepatectomy liver failure were similar between low and normal preoperative phosphate cohorts (13% versus 14%, P = 0.83). CONCLUSIONS Low preoperative phosphate levels were not associated with worse postoperative outcomes in this study. Further studies are warranted to investigate this association and its relevance as a clinical prognostic factor for postoperative liver failure.
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Affiliation(s)
- Erik S Davis
- University of Iowa Carver College of Medicine, Iowa City, Iowa
| | - Peyton Seda
- University of Iowa Carver College of Medicine, Iowa City, Iowa
| | | | - Aneli T Villa
- University of Iowa Carver College of Medicine, Iowa City, Iowa
| | - Lawrence Feng
- University of Iowa Carver College of Medicine, Iowa City, Iowa
| | - Olivia DiGioia
- University of Iowa Carver College of Medicine, Iowa City, Iowa
| | - Apoorve Nayyar
- Division of Transplant and Hepatobiliary Surgery, University of Iowa Hospitals and Clinics, Iowa City, Iowa
| | - Faisal S Jehan
- Department of Surgical Oncology, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Hassan Aziz
- Division of Transplant and Hepatobiliary Surgery, University of Iowa Hospitals and Clinics, Iowa City, Iowa.
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Kambakamba P, Schneider MA, Linecker M, Kirimker EO, Moeckli B, Graf R, Reiner CS, Nguyen-Kim TDL, Kologlu M, Karayalcin K, Clavien PA, Balci D, Petrowsky H. Early Postoperative Serum Phosphate Drop Predicts Sufficient Hypertrophy After Liver Surgery. Ann Surg 2023; 278:763-771. [PMID: 37465990 DOI: 10.1097/sla.0000000000006013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
OBJECTIVE The aim of this study was to assess the impact of postoperative hypophosphatemia on liver regeneration after major liver surgery in the scenario of Associating Liver Partition with Portal vein ligation for Staged hepatectomy (ALPPS) and living liver donation (LLD). BACKGROUND Hypophosphatemia has been described to reflect the metabolic demands of regenerating hepatocytes. Both ALPPS and LLD are characterized by an exceptionally strong liver regeneration and may be of particular interest in the context of posthepatectomy hypophosphatemia. METHODS Serum phosphate changes within the first 7 postoperative days after ALPPS (n=61) and LLD (n=54) were prospectively assessed and correlated with standardized volumetry after 1 week. In a translational approach, postoperative phosphate changes were investigated in mice and in vitro . RESULTS After ALPPS stage 1 and LLD, serum phosphate levels significantly dropped from a preoperative median of 1.08 mmol/L [interquartile range (IQR) 0.92-1.23] and 1.07 mmol/L (IQR 0.91-1.21) to a postoperative median nadir of 0.68 and 0.52 mmol/L, respectively. A pronounced phosphate drop correlated well with increased liver hypertrophy ( P <0.001). Patients with a low drop of phosphate showed a higher incidence of posthepatectomy liver failure after ALPPS (7% vs 31%, P =0.041). Like in humans, phosphate drop correlated significantly with degree of hypertrophy in murine ALPPS and hepatectomy models ( P <0.001). Blocking phosphate transporter (Slc20a1) inhibited cellular phosphate uptake and hepatocyte proliferation in vitro. CONCLUSION Phosphate drop after hepatectomy is a direct surrogate marker for liver hypertrophy. Perioperative implementation of serum phosphate analysis has the potential to detect patients with insufficient regenerative capacity at an early stage.
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Affiliation(s)
- Patryk Kambakamba
- Department of Surgery and Transplantation, University Hospital Zürich, Zürich, Switzerland
- Hepatobiliary Group, St. Vincents's University Hospital, Dublin, Ireland
- Department of Surgery, Cantonal Hospital Winterthur, Winterthur, Switzerland
| | - Marcel A Schneider
- Department of Surgery and Transplantation, University Hospital Zürich, Zürich, Switzerland
| | - Michael Linecker
- Department of Surgery and Transplantation, University Hospital Zürich, Zürich, Switzerland
- Department of Surgery and Transplantation, University Hospital Schleswig Holstein, Kiel, Germany
| | - Elvan Onur Kirimker
- Department of Surgery and Transplantation, Ankara University School of Medicine, Ankara, Turkey
| | - Beat Moeckli
- Department of Surgery and Transplantation, University Hospital Zürich, Zürich, Switzerland
| | - Rolf Graf
- Department of Surgery and Transplantation, University Hospital Zürich, Zürich, Switzerland
| | - Cäcilia S Reiner
- Diagnostic and Interventional Radiology, University Hospital Zürich, Zürich, Switzerland
| | | | - Meltem Kologlu
- Department of Surgery and Transplantation, Ankara University School of Medicine, Ankara, Turkey
| | - Kaan Karayalcin
- Department of Surgery and Transplantation, Ankara University School of Medicine, Ankara, Turkey
| | - Pierre-Alain Clavien
- Department of Surgery and Transplantation, University Hospital Zürich, Zürich, Switzerland
| | - Deniz Balci
- Department of Surgery and Transplantation, Ankara University School of Medicine, Ankara, Turkey
- Department of Surgery and Solid Organ Transplantation, Bahcesehir University School of Medicine, Istanbul, Turkey
| | - Henrik Petrowsky
- Department of Surgery and Transplantation, University Hospital Zürich, Zürich, Switzerland
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Riauka R, Ignatavicius P, Barauskas G. Hypophosphatemia as a prognostic tool for post-hepatectomy liver failure: A systematic review. World J Gastrointest Surg 2023; 15:249-257. [PMID: 36896296 PMCID: PMC9988637 DOI: 10.4240/wjgs.v15.i2.249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 09/01/2022] [Accepted: 11/29/2022] [Indexed: 02/27/2023] Open
Abstract
BACKGROUND Post-hepatectomy liver failure (PHLF) is one of the main causes of postoperative mortality and is challenging to predict early in patients after liver resection. Some studies suggest that the postoperative serum phosphorus might predict outcomes in these patients.
AIM To perform a systematic literature review on hypophosphatemia and evaluate it as a prognostic factor for PHLF and overall morbidity.
METHODS This systematic review was performed according to preferred reporting items for systematic reviews and meta-analyses statement. A study protocol for the review was registered in the International Prospective Register of Systematic Reviews database. PubMed, Cochrane and Lippincott Williams & Wilkins databases were systematically searched up to March 31, 2022 for studies analyzing postoperative hypophosphatemia as a prognostic factor for PHLF, overall postoperative morbidity and liver regeneration. The quality assessment of the included cohort studies was performed according to the Newcastle-Ottawa Scale.
RESULTS After final assessment, nine studies (eight retrospective and one prospective cohort study) with 1677 patients were included in the systematic review. All selected studies scored ≥ 6 points according to the Newcastle-Ottawa Scale. Cutoff values of hypophosphatemia varied from < 1 mg/dL to ≤ 2.5 mg/dL in selected studies with ≤ 2.5 mg/dL being the most used defining value. Five studies analyzed PHLF, while the remaining four analyzed overall complications as a main outcome associated with hypophosphatemia. Only two of the selected studies analyzed postoperative liver regeneration, with reported better postoperative liver regeneration in cases of postoperative hypophosphatemia. In three studies hypophosphatemia was associated with better postoperative outcomes, while six studies revealed hypophosphatemia as a predictive factor for worse patient outcomes.
CONCLUSION Changes of the postoperative serum phosphorus level might be useful for predicting outcomes after liver resection. However, routine measurement of perioperative serum phosphorus levels remains questionable and should be evaluated individually.
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Affiliation(s)
- Romualdas Riauka
- Department of Surgery, Lithuanian University of Health Sciences, Kaunas 50161, Lithuania
| | - Povilas Ignatavicius
- Department of Surgery, Lithuanian University of Health Sciences, Kaunas 50161, Lithuania
| | - Giedrius Barauskas
- Department of Surgery, Lithuanian University of Health Sciences, Kaunas 50161, Lithuania
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Chan KS, Mohan S, Shelat VG. Outcomes of patients with post-hepatectomy hypophosphatemia: A narrative review. World J Hepatol 2022; 14:1550-1561. [PMID: 36157866 PMCID: PMC9453469 DOI: 10.4254/wjh.v14.i8.1550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 05/31/2022] [Accepted: 07/31/2022] [Indexed: 02/06/2023] Open
Abstract
Phosphate is an essential electrolyte for proper mineralisation of bone, buffering of urine, and diverse cellular actions. Hypophosphatemia (HP) is a clinical spectrum which range from asymptomatic to severe complications such as neuromuscular and pulmonary complications, or even death. Post-hepatectomy HP (PHH) has been reported to be 55.5%-100%. Post-hepatectomy, there is rapid uptake of phosphate and increased mitotic counts to aid in regeneration of residual liver. Concurrently, PHH may be due to increased urinary phosphorous from activation of matrix extracellular phosphoglycoprotein in the injured liver, which decreases phosphate influx into hepatocytes to sustain adenosine triphosphate synthesis. A literature review was performed on PubMed till January 2022. We included 8 studies which reported on impact of PHH on post-operative outcomes. In patients with diseased liver, PHH was reported to have either beneficial or deleterious effects on post-hepatectomy liver failure (PHLF), morbidity and/or mortality in various cohorts. In living donor hepatectomy, PHLF was higher in PHH. Benefits of correction of PHH with reduced post-operative complications have been shown. Correction of PHH should be done based on extent of PHH. Existing studies were however heterogenous; further studies should be conducted to assess PHH on post-operative outcomes with standardized phosphate replacement regimes.
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Affiliation(s)
- Kai Siang Chan
- Department of General Surgery, Tan Tock Seng Hospital, Singapore 308433, Singapore
| | - Swetha Mohan
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 308232, Singapore
| | - Vishal G Shelat
- Department of General Surgery, Tan Tock Seng Hospital, Singapore 308433, Singapore
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 308232, Singapore
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Sakai T, Ko JS, Crouch CE, Kumar S, Choi GS, Hackl F, Han DH, Kaufman M, Kim SH, Luzzi C, McCluskey S, Shin WJ, Sirianni J, Song KW, Sullivan C, Hendrickse A. Perioperative management of living donor liver transplantation: Part 2 - Donors. Clin Transplant 2022; 36:e14690. [PMID: 35477939 DOI: 10.1111/ctr.14690] [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: 12/10/2021] [Revised: 02/26/2022] [Accepted: 04/23/2022] [Indexed: 01/10/2023]
Abstract
Living donor liver transplantation was first developed to mitigate the limited access to deceased donor organs in Asia in the 1990s. This alternative liver transplantation method has become a widely practiced and established transplantation option for adult patients suffering with end-stage liver disease, and it has successfully helped address the shortage of deceased donors. The Society for the Advancement of Transplant Anesthesia and the Korean Society of Transplantation Anesthesiologists jointly reviewed published studies on the perioperative management of adult live liver donors undergoing donor hemi-hepatectomy. The goal of the review is to offer transplant anesthesiologists and critical care physicians a comprehensive overview of the perioperative management of adult live donors. We featured the current status, donor selection process, outcomes and complications, surgical procedure, anesthetic management, Enhanced Recovery After Surgery protocols, avoidance of blood transfusion, and considerations for emergency donation. Recent surgical advances, including laparoscopic donor hemi-hepatectomy and robotic laparoscopic donor surgery, are also addressed.
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Affiliation(s)
- Tetsuro Sakai
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA.,Clinical and Translational Science Institute, University of Pittsburgh, Pennsylvania, USA.,McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pennsylvania, USA
| | - Justin Sangwook Ko
- Department of Anesthesiology & Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Cara E Crouch
- Department of Anesthesiology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Sathish Kumar
- Department of Anesthesiology, University of Michigan, Ann Arbor, Michigan, USA
| | - Gyu-Seong Choi
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Florian Hackl
- Department of Anesthesiology and Interventional Pain Management, Lahey Hospital and Medical Center, Burlington, Massachusetts, USA
| | - Dai Hoon Han
- Department of HBP Surgery, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Michael Kaufman
- Department of Anesthesiology and Interventional Pain Management, Lahey Hospital and Medical Center, Burlington, Massachusetts, USA
| | - Seong Hoon Kim
- Organ Transplantation Center, National Cancer Center, Gyeonggi-do, Republic of Korea
| | - Carla Luzzi
- Department of Anesthesiology & Pain Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Stuart McCluskey
- Department of Anesthesiology & Pain Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Won Jung Shin
- Department of Anesthesiology & Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Joel Sirianni
- Department of Anesthesia & Perioperative Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Ki Won Song
- Department of Hepato-Biliary Surgery and Liver Transplantation, Asan Medical Center, Ulsan University College of Medicine, Seoul, Republic of Korea
| | - Cinnamon Sullivan
- Department of Anesthesiology, Emory University, Atlanta, Georgia, USA
| | - Adrian Hendrickse
- Department of Anesthesiology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
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