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Zhao NB, Chen Y, Xia R, Tang JB, Zhao D. Prognostic value of ultrasound in early arterial complications post liver transplant. World J Gastrointest Surg 2024; 16:13-20. [PMID: 38328331 PMCID: PMC10845292 DOI: 10.4240/wjgs.v16.i1.13] [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: 11/21/2023] [Revised: 12/21/2023] [Accepted: 01/08/2024] [Indexed: 01/25/2024] Open
Abstract
Liver transplantation is the primary therapeutic intervention for end-stage liver disease. However, vascular complications, particularly those involving the hepatic artery, pose significant risks to patients. The clinical manifestations associated with early arterial complications following liver transplantation are often nonspecific. Without timely intervention, these complications can result in graft failure or patient mortality. Therefore, early diagnosis and the formulation of an optimal treatment plan are imperative. Ultrasound examination remains the predominant imaging modality for detecting complications post liver transplantation. This article comprehensively reviews common causes and clinical presentations of early hepatic artery complications in the post-transplantation period and delineates abnormal sonographic findings for accurate diagnosis of these conditions. Overall, ultrasound offers the advantages of convenience, safety, effectiveness, and non-invasiveness. It enables real-time, dynamic, and precise evaluation, making it the preferred diagnostic method for post-liver transplantation assessments.
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Affiliation(s)
- Ning-Bo Zhao
- Department of Ultrasound, National Clinical Research Centre for Infectious Disease, Shenzhen Third People's Hospital, The Second Affiliated Hospital of Southern University of Science and Technology, National Clinical Research Center for Infectious Disease, Shenzhen 518112, Guangdong Province, China
| | - Yi Chen
- Department of Ultrasound, National Clinical Research Centre for Infectious Disease, Shenzhen Third People's Hospital, The Second Affiliated Hospital of Southern University of Science and Technology, National Clinical Research Center for Infectious Disease, Shenzhen 518112, Guangdong Province, China
| | - Rui Xia
- Department of Thyroid and Hernia Surgery, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou 510000, Guangdong Province, China
| | - Jian-Bo Tang
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen 51800, Guangdong Province, China
| | - Dong Zhao
- Department of Liver Surgery and Organ Transplantation Center, Shenzhen Third People's Hospital, The Second Affiliated Hospital of Southern University of Science and Technology, National Clinical Research Center for Infectious Disease, Shenzhen 518112, Guangdong Province, China
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Khati I, Jacquier A, Cadour F, Bartoli A, Graber M, Hardwigsen J, Tradi F, Barral PA. Endovascular therapies for hepatic artery stenosis post liver transplantation. CVIR Endovasc 2022; 5:63. [PMID: 36478229 PMCID: PMC9729479 DOI: 10.1186/s42155-022-00338-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 11/10/2022] [Indexed: 12/12/2022] Open
Abstract
PURPOSE To evaluate primary patency at 12 months after endovascular therapies in hepatic artery stenosis. METHODS A retrospective review of all endovascular interventions for hepatic artery stenosis (HAS) after liver transplantation that occurred between June 2013 and November 2020 was performed at a single institution in France. Follow up occurred from 1 month to 4 years (median 15 months). The treatment consisted of dilation with a balloon or stent. We analyzed short-term (technical success and complications) and long-term outcomes (liver function, arterial patency, graft survival at 12 months (GS), and reintervention). We also compared percutaneous balloon angioplasty (PBA) with stent placement. PBA alone was used if < 30% residual stenosis of the hepatic artery was achieved. Stenting was performed if there was greater than 30% residual stenosis and in the case of complications (dissection or rupture). RESULTS A total of 18 stenoses were suspected on the basis of routine surveillance duplex ultrasound imaging (peak systolic velocity > 200 cm/s, systolic accelerating time > 10 ms and resistive index < 0.5), all of which were confirmed by angio CT, but only 17 were confirmed by angiography. Seventeen patients were included (14 males, mean age 57 years; and three females, mean age 58 years). Interventions were performed in 17 cases (95%) with PBA only (5/17), stent only (5/17) or both (4/17). Immediate technical success was 100%. Major complications occurred in 1 of 17 cases (5.8%), consisting of target vessel dissection. The analysis of the three (groups PBA only, stent only or both) showed the same procedural success (100%), GS (100%) and normal liver function after the procedures but different rates of complications (20% vs. 0% vs. 0%), arterial patency at 12 months (60% vs. 80% vs. 85%) (p = 0.4), early stenosis (40% vs. 80% vs. 0%) or late stenosis (60% vs. 20% vs. 100%) and requirement for reintervention (40% vs. 20% vs. 14%) (p = 0.56). CONCLUSION This study suggests that PBA, stent, or both procedures show the same primary patency at 12 months. It is probably not a definitive answer, but these treatments are safe and effective for extending graft survival in the context of graft shortages.
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Affiliation(s)
- I. Khati
- grid.411266.60000 0001 0404 1115Department of Radiology, CHU Timone 2, Marseille APHM, Marseille, France
| | - A. Jacquier
- grid.411266.60000 0001 0404 1115Department of Radiology, CHU Timone 2, Marseille APHM, Marseille, France
| | - F. Cadour
- grid.411266.60000 0001 0404 1115Department of Radiology, CHU Timone 2, Marseille APHM, Marseille, France
| | - A. Bartoli
- grid.411266.60000 0001 0404 1115Department of Radiology, CHU Timone 2, Marseille APHM, Marseille, France
| | - M. Graber
- grid.411266.60000 0001 0404 1115Department of Radiology, CHU Timone 2, Marseille APHM, Marseille, France
| | - J. Hardwigsen
- grid.411266.60000 0001 0404 1115Department of Surgery, CHU Timone 2, Marseille APHM, Marseille, France
| | - F. Tradi
- grid.411266.60000 0001 0404 1115Department of Radiology, CHU Timone 2, Marseille APHM, Marseille, France
| | - P.-A. Barral
- grid.411266.60000 0001 0404 1115Department of Radiology, CHU Timone 2, Marseille APHM, Marseille, France
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Maaty MEGAE, Ibrahim AM, Soliman AH, Mohamed AH. Role of interventional radiology in management of post-liver transplant anastomotic complications. THE EGYPTIAN JOURNAL OF RADIOLOGY AND NUCLEAR MEDICINE 2022. [PMCID: PMC9344456 DOI: 10.1186/s43055-022-00853-6] [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] [Indexed: 01/10/2023] Open
Abstract
Background Liver transplantation is considered to be the treatment of choice in cases of end-stage liver disease; however, as a major procedure, the operation is fraught with complications. The etiology, symptoms, and diagnostic methods for arterial, portal, and biliary issues are thoroughly discussed. Interventional procedures such as balloon angioplasty and stent placement in the arterial and portal systems, as well as biliary interventional procedures, are described.
Results In our study, we reviewed 25 cases of post-living donor transplanted liver, with anastomotic complications including biliary stenosis 40%, hepatic vein stenosis 20%, portal vein stenosis 16%, biliary leakage 16%, and hepatic artery stenosis or pseudo-aneurysm 16%. We had 10 cases of biliary stenosis, 7 of which were successfully treated with the insertion of an internal/external drain, and one case failed. Two patients died. We had four cases of hepatic venous obstruction with successfully implanted stents and a perfect outcome, efficacy, and patency rate of 100%. We also had two cases of hepatic artery stenosis that were perfectly managed by stent placement, with a patency rate of 100%. We came across two cases of hepatic artery pseudo-aneurysm. One case failed due to large sac size, while the other was successful. Finally, in our study, we had a 100% success rate in 5 cases of portal vein stenosis in the early postoperative period.
Conclusions Percutaneous IR was effective treatment for hepatic vein occlusion, portal vein stenosis, hepatic artery stenosis, and anastomotic biliary stricture after living donor liver transplantation. The interventional radiology team is now an integral part of the multi-disciplinary care of transplant patients. As new interventional instruments are developed and experience is gained, the outcomes of interventional treatments will continue to improve.
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Xu M, Dong C, Sun C, Wang K, Zhang W, Wu D, Qin H, Han C, Yang Y, Zhang F, Wang Z, Zheng W, Gao W. Management and outcome of hepatic artery thrombosis with whole-liver transplantation using donors less than one year of age. J Pediatr Surg 2022; 57:656-665. [PMID: 35688691 DOI: 10.1016/j.jpedsurg.2022.05.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Revised: 05/01/2022] [Accepted: 05/05/2022] [Indexed: 02/03/2023]
Abstract
BACKGROUND/PURPOSE The incidence of hepatic artery thrombosis (HAT) in recipients is high after pediatric LT using young donors. In this study we investigated the management and outcome of HAT after whole-LT using donors less than one year of age. And evaluate the safety of pediatric donors, and increase the utilization of pediatric donors overall. METHODS We retrospectively analyzed the clinical data encompassing children who underwent whole-liver transplantation in our department from January 2014 to December 2019. Recipients receiving a liver from a donor ≥1 month and ≤12 months were included, and a total of 110 patients were included in this study. RESULTS The results showed an incidence for HAT of 20% and the median time to HAT diagnosis was 3.0 (2.0, 5.3) days post-operation. Anticoagulant therapy was used for 19 cases and 94.7% of them achieved hepatic artery recanalization or collateral formation. The median time of recanalization was 12 (5, 15) days. Bile leakage and biliary strictures occurring in the HAT group were higher than in the non HAT group (13.6% vs. 1.1% and 31.8% vs. 3.4%). There were no significant differences in the survival rates of recipients or grafts among the two groups (P = 0.474, P = 0.208, respectively). CONCLUSION We confirmed that the incidence of HAT in LT recipients use donors less than 1 year is high, but recanalization can be performed using anticoagulant therapy. Although biliary complications increased significantly after HAT, the survival rates of patients and grafts were satisfactory. LEVEL OF EVIDENCE Level III.
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Affiliation(s)
- Min Xu
- Department of Pediatric transplantation, Organ Transplantation Center, Tianjin First Central Hospital, No. 24 Fukang Road, Nakao District, Tianjin 300192, PR China; Tianjin Key Laboratory of Organ Transplantation, Tianjin, PR China
| | - Chong Dong
- Department of Pediatric transplantation, Organ Transplantation Center, Tianjin First Central Hospital, No. 24 Fukang Road, Nakao District, Tianjin 300192, PR China; Tianjin Key Laboratory of Organ Transplantation, Tianjin, PR China
| | - Chao Sun
- Department of Pediatric transplantation, Organ Transplantation Center, Tianjin First Central Hospital, No. 24 Fukang Road, Nakao District, Tianjin 300192, PR China; Tianjin Key Laboratory of Organ Transplantation, Tianjin, PR China
| | - Kai Wang
- Department of Pediatric transplantation, Organ Transplantation Center, Tianjin First Central Hospital, No. 24 Fukang Road, Nakao District, Tianjin 300192, PR China; Tianjin Key Laboratory of Organ Transplantation, Tianjin, PR China
| | - Wei Zhang
- Department of Pediatric transplantation, Organ Transplantation Center, Tianjin First Central Hospital, No. 24 Fukang Road, Nakao District, Tianjin 300192, PR China; Tianjin Key Laboratory of Organ Transplantation, Tianjin, PR China
| | - Di Wu
- Department of Pediatric transplantation, Organ Transplantation Center, Tianjin First Central Hospital, No. 24 Fukang Road, Nakao District, Tianjin 300192, PR China; Tianjin Key Laboratory of Organ Transplantation, Tianjin, PR China
| | - Hong Qin
- Department of Pediatric transplantation, Organ Transplantation Center, Tianjin First Central Hospital, No. 24 Fukang Road, Nakao District, Tianjin 300192, PR China; Tianjin Key Laboratory of Organ Transplantation, Tianjin, PR China
| | - Chao Han
- Department of Pediatric transplantation, Organ Transplantation Center, Tianjin First Central Hospital, No. 24 Fukang Road, Nakao District, Tianjin 300192, PR China; Tianjin Key Laboratory of Organ Transplantation, Tianjin, PR China
| | - Yang Yang
- Department of Pediatric transplantation, Organ Transplantation Center, Tianjin First Central Hospital, No. 24 Fukang Road, Nakao District, Tianjin 300192, PR China; Tianjin Key Laboratory of Organ Transplantation, Tianjin, PR China
| | - Fubo Zhang
- Department of Pediatric transplantation, Organ Transplantation Center, Tianjin First Central Hospital, No. 24 Fukang Road, Nakao District, Tianjin 300192, PR China; Tianjin Key Laboratory of Organ Transplantation, Tianjin, PR China
| | - Zhen Wang
- Department of Pediatric transplantation, Organ Transplantation Center, Tianjin First Central Hospital, No. 24 Fukang Road, Nakao District, Tianjin 300192, PR China; Tianjin Key Laboratory of Organ Transplantation, Tianjin, PR China
| | - Weiping Zheng
- Department of Pediatric transplantation, Organ Transplantation Center, Tianjin First Central Hospital, No. 24 Fukang Road, Nakao District, Tianjin 300192, PR China; Tianjin Key Laboratory of Organ Transplantation, Tianjin, PR China
| | - Wei Gao
- Department of Pediatric transplantation, Organ Transplantation Center, Tianjin First Central Hospital, No. 24 Fukang Road, Nakao District, Tianjin 300192, PR China; Tianjin Key Laboratory of Organ Transplantation, Tianjin, PR China.
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Kim JS, Kim DW, Kim KW, Song GW, Lee SG. Improving the Specificity of CT Angiography for the Diagnosis of Hepatic Artery Occlusion after Liver Transplantation in Suspected Patients with Doppler Ultrasound Abnormalities. Korean J Radiol 2022; 23:52-59. [PMID: 34983093 PMCID: PMC8743154 DOI: 10.3348/kjr.2021.0266] [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: 04/01/2021] [Revised: 07/22/2021] [Accepted: 08/07/2021] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE To investigate whether the diagnostic performance of CT angiography (CTA) could be improved by modifying the conventional criterion (anastomosis site abnormality) to diagnose hepatic artery occlusion (HAO) after liver transplantation (LT) in suspected patients with Doppler ultrasound (US) abnormalities. MATERIALS AND METHODS One hundred thirty-four adult LT recipients (88 males and 46 females; mean age, 52.7 years) with suspected HAO on Doppler US (40 HAO and 94 non-HAO according to the reference standards) were included. We evaluated 1) abnormalities in the HA anastomosis, categorized as a cutoff, ≥ 50% stenosis at the anastomotic site, or diffuse stenosis at both graft and recipient sides around the anastomosis, and 2) abnormalities in the distal run-off, including invisibility or irregular, faint, and discontinuous enhancement. The sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), and accuracy of the conventional (considering anastomosis site abnormalities alone) and modified CTA criteria (abnormalities in both the anastomosis site and distal run-off) for the diagnosis of HAO were calculated and compared using the McNemar test. RESULTS By using the conventional criterion to diagnose HAO, the sensitivity, specificity, PPV, NPV, and accuracy were 100% (40/40), 74.5% (70/94), 62.5% (40/64), 100% (70/70), and 82.1% (110/134), respectively. The modified criterion for diagnosing HAO showed significantly increased specificity (93.6%, 88/94) and accuracy (93.3%, 125/134) compared to that with the conventional criterion (p = 0.001 and 0.002, respectively), although the sensitivity (92.5%, 37/40) decreased slightly without statistical significance (p = 0.250). CONCLUSION The modified criterion considering abnormalities in both the anastomosis site and distal run-off improved the diagnostic performance of CTA for HAO in suspected patients with Doppler US abnormalities, particularly by increasing the specificity.
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Affiliation(s)
- Jin Sil Kim
- Department of Radiology and Medical Research Institute, School of Medicine, Ewha Womans University, Seoul, Korea
| | - Dong Wook Kim
- Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Kyoung Won Kim
- Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
| | - Gi Won Song
- Division of Liver Transplantation and Hepatobiliary Surgery, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Sung Gyu Lee
- Division of Liver Transplantation and Hepatobiliary Surgery, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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Abdelaziz O, Osman AMA, Hosny KA, Emad-Eldin S, Serour DK, Mostafa M. Management of early hepatic artery thrombosis following living-donor liver transplantation: feasibility, efficacy and potential risks of endovascular therapy in the first 48 hours post-transplant-a retrospective cohort study. Transpl Int 2021; 34:1134-1149. [PMID: 33539596 DOI: 10.1111/tri.13839] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Revised: 10/02/2020] [Accepted: 01/21/2021] [Indexed: 12/01/2022]
Abstract
This retrospective cohort study aims to review our 18-year experience with early hepatic artery thrombosis (e-HAT) following living-donor liver transplantation (LDLT), as well as to assess the feasibility, efficacy and potential risks of endovascular management of e-HAT in the first 48 hours (hrs) post-LDLT. Medical records of 730 patients who underwent LDLT were retrospectively reviewed. In all cases who had developed e-HAT, treatment modalities employed and their outcomes were evaluated. Thirty-one patients developed e-HAT(4.2%). Definite technical success and 1-year survival rates of surgical revascularization[11/31 cases(35.5%)] were 72.7% & 72.7%, whereas those of endovascular therapy[27/31 cases(87.1%)] were 70.4% & 59.3%, respectively. Endovascular therapy was carried out in the first 48hrs post-transplant in 9/31 cases(29%) [definite technical success:88.9%, 1-year survival:55.6%]. Four procedure-related complications were reported in 3 of those 9 cases(33.3%). In conclusion, post-LDLT e-HAT can be treated by surgical revascularization or endovascular therapy, with comparable results. Endovascular management of e-HAT in the first 48hrs post-LDLT appears to be feasible and effective, but is associated with a relatively higher risk of procedure-related complications, compared to surgical revascularization. Hence, it can be reserved as a second-line therapeutic option in certain situations where surgical revascularization is considered futile, potentially too complex, or potentially more risky.
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Affiliation(s)
- Omar Abdelaziz
- Department of Diagnostic and Interventional Radiology, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Ayman M A Osman
- Department of General Surgery, Unit of Hepatobiliary Surgery, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Karim A Hosny
- Department of General Surgery, Unit of Vascular Surgery, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Sally Emad-Eldin
- Department of Diagnostic and Interventional Radiology, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Dalia K Serour
- Department of Diagnostic and Interventional Radiology, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Mohamed Mostafa
- Department of Diagnostic and Interventional Radiology, Faculty of Medicine, Cairo University, Cairo, Egypt
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Endovascular Treatment of Arterial Complications After Liver Transplantation: Long-Term Follow-Up Evaluated on Doppler Ultrasound and Magnetic Resonance Cholangiopancreatography. Cardiovasc Intervent Radiol 2018; 42:381-388. [DOI: 10.1007/s00270-018-2108-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Accepted: 10/30/2018] [Indexed: 02/06/2023]
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Sandow TA, Bluth EI, Lall NU, Luo Q, Sternbergh WC. Doppler Characteristics of Recurrent Hepatic Artery Stenosis. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2017; 36:209-216. [PMID: 27943412 DOI: 10.7863/ultra.16.02014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Accepted: 04/11/2016] [Indexed: 06/06/2023]
Abstract
OBJECTIVES We sought to assess midterm sonographic findings in patients after stenting for hepatic artery stenosis. METHODS Thirty-nine hepatic artery stent procedures were performed for hepatic artery stenosis after liver transplantation between September 2009 and December 2013. Thirty cases were technically successful and met the minimum follow-up time (76 days, defined by earliest diagnosed stenosis). Routine ultrasound surveillance was obtained on all patients, and statistical analysis of the findings in the patency and restenosis groups was performed. RESULTS Of the 30 cases, restenosis occurred 9 times in 6 patients. Mean follow-up was 677 days. Mean time to restenosis was 267 days. Five cases (56%) were identified within the first 6 months after stent placement. Four cases (44%) were recognized in the second year after stent placement. Prior to the sonographic diagnosis of restenosis, the mean resistive indices of the main (.64 versus .57, P < .0001), left (.63 versus .54, P < .0001), right anterior (.60 versus .52, P < .0001), and right posterior (.60 versus .53, P = .001) hepatic artery branches differed among patency and restenosis groups, respectively. The mean peak systolic velocity also differed significantly between the 2 groups: 254 cm/sec in patients with eventual restenosis versus 220 cm/sec in patients without restenosis (P = .02). CONCLUSIONS The sonographic evaluation of hepatic artery stenosis remains critical during the first 2 years after stent placement. While the vast majority of patients do not restenose, resistive index and peak systolic velocity differed significantly between the 2 groups and may be prognostic surveillance markers for the development of restenosis.
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Affiliation(s)
| | - Edward I Bluth
- Department of Radiology, New Orleans, Louisiana USA
- The University of Queensland School of Medicine, Ochsner Clinical School, New Orleans, Louisiana USA
| | - Neil U Lall
- Department of Radiology, New Orleans, Louisiana USA
| | - Qingyang Luo
- Office of Biostatistical Support, Division of Academics, Ochsner Clinic Foundation, New Orleans, Louisiana USA
| | - W Charles Sternbergh
- Department of Vascular Surgery, Ochsner Clinic Foundation, New Orleans, Louisiana USA
- The University of Queensland School of Medicine, Ochsner Clinical School, New Orleans, Louisiana USA
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Le L, Terral W, Zea N, Bazan HA, Smith TA, Loss GE, Bluth E, Sternbergh WC. Primary stent placement for hepatic artery stenosis after liver transplantation. J Vasc Surg 2015; 62:704-9. [PMID: 26054583 DOI: 10.1016/j.jvs.2015.04.400] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Accepted: 04/19/2015] [Indexed: 02/06/2023]
Abstract
OBJECTIVE Significant hepatic artery stenosis (HAS) after orthotopic liver transplantation (OLT) can lead to thrombosis, with subsequent liver failure in 30% of patients. Although operative intervention or retransplantation has been the traditional solution, endovascular therapy has emerged as a less invasive treatment strategy. Prior smaller studies have been conflicting in the relative efficacy of percutaneous transluminal angioplasty (PTA) vs primary stent placement for HAS. METHODS This was a single-center retrospective review of all endovascular interventions for HAS after OLT during a 54-month period (August 2009-December 2013). Patients with ultrasound imaging with evidence of severe HAS (peak systolic velocity >400-450 cm/s, resistive index <0.5) underwent endovascular treatment with primary stent placement or PTA. Outcomes calculated were technical success, primary and primary assisted patency rates, reinterventions, and complications. RESULTS Sixty-two interventions for HAS were performed in 42 patients with a mean follow-up of 19.1 ± 15.2 months. During the study period, 654 OLTs were performed. Of 61 patients diagnosed with HAS, 42 underwent an endovascular intervention. The rate of endovascularly treated HAS was 6.4% (42 of 654). Primary technical success was achieved in 95% (59 of 62) of the interventions. Initial treatment was with PTA alone in 17 or primary stent in 25. Primary patency rates after initial stent placement were 87%, 76.5%, 78%, and 78% at 1, 6, 12, and 24 months, respectively, compared with initial PTA rates of 64.7%, 53.3%, 40%, and 0% (P = .19). There were 20 reinterventions in 14 patients (eight stents, six PTAs). The time to the initial reintervention was 51 days in patients with PTA alone vs 105.8 days for those with an initial stent (P = .16). Overall primary assisted patency was 93% at 24 months. Major complications were one arterial rupture and two hepatic artery dissections. The long-term risk of hepatic artery thrombosis in the entire patient cohort was 3.2%. CONCLUSIONS HAS after OLT can be treated endovascularly with high technical success and excellent primary assisted patency. This series represents the largest reported cohort of endovascular interventions for HAS to date. Initial use of a stent showed a strong trend toward decreasing the need for reintervention. Avoidance of hepatic artery thrombosis is possible in >95% of patients with endovascular treatment and close follow-up.
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Affiliation(s)
- Linda Le
- Department of Surgery, Section of Vascular and Endovascular Surgery, Ochsner Clinic, New Orleans, La
| | - William Terral
- Department of Surgery, Section of Vascular and Endovascular Surgery, Ochsner Clinic, New Orleans, La
| | - Nicolas Zea
- Department of Surgery, Section of Vascular and Endovascular Surgery, Ochsner Clinic, New Orleans, La
| | - Hernan A Bazan
- Department of Surgery, Section of Vascular and Endovascular Surgery, Ochsner Clinic, New Orleans, La
| | - Taylor A Smith
- Department of Surgery, Section of Vascular and Endovascular Surgery, Ochsner Clinic, New Orleans, La
| | - George E Loss
- Department of Surgery, Section of Vascular and Endovascular Surgery, Ochsner Clinic, New Orleans, La
| | - Edward Bluth
- Department of Surgery, Section of Vascular and Endovascular Surgery, Ochsner Clinic, New Orleans, La
| | - W Charles Sternbergh
- Department of Surgery, Section of Vascular and Endovascular Surgery, Ochsner Clinic, New Orleans, La.
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Marubashi S, Kobayashi S, Wada H, Kawamoto K, Eguchi H, Doki Y, Mori M, Nagano H. Hepatic artery reconstruction in living donor liver transplantation: risk factor analysis of complication and a role of MDCT scan for detecting anastomotic stricture. World J Surg 2014; 37:2671-7. [PMID: 23982777 DOI: 10.1007/s00268-013-2188-1] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
BACKGROUND In partial liver transplantation, reconstruction of the hepatic artery is technically highly demanding and the incidence of arterial complications is high. We attempted to identify the risk factors for anastomotic complications after hepatic artery reconstruction and examined the role of multidetector-row computed tomography (MDCT) in the evaluation of the reconstructed hepatic artery in liver transplant recipients. METHODS A total of 109 adult-to-adult living donor liver transplantations (LDLT) were performed at our institute between 1999 and July 2011. Hepatic artery reconstruction was performed under a surgical microscope (MS group, n = 84), until we began to adopt surgical loupes (4.5×) for arterial reconstructions in all cases after January 2009 (SL group, n = 25). A dynamic MDCT study was prospectively carried out on postoperative days 7, 14, and 28, and at postoperative month 3, 6, and 12 after April 2005 (n = 60). RESULTS There were no cases of hepatic artery thrombosis and six cases (5.5 %) of interventional radiology-confirmed hepatic artery stenosis (HAS). Risk factor analysis for HAS showed that ABO-incompatible LDLT was associated with HAS. Use of surgical loupes provided superior results as compared to anastomosis under a surgical microscope, and it also provided the advantage of reduced operative time. The MDCT procedure was useful for detecting HAS; however, the false positive rate was relatively high until 3 months after the LDLT (100 % sensitivity and 72.8 % specificity at 3 months). CONCLUSIONS Hepatic arterial anastomosis using surgical loupes tended to be time-saving and to yield similar or better results than traditional microscope-anastomosis. The use of MDCT aided the diagnosis of HAS, although the substantial false positive rate should be borne in mind in clinical practice.
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Affiliation(s)
- Shigeru Marubashi
- Department of Surgery, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan,
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Han H, Liu R, Wang WP, Ding H, Wen JX, Lin XY. Postoperative haemodynamic changes in transplanted liver: Long-term follow-up with ultrasonography. J Int Med Res 2014; 42:849-56. [PMID: 24651994 DOI: 10.1177/0300060514521153] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2013] [Accepted: 12/18/2013] [Indexed: 12/26/2022] Open
Abstract
OBJECTIVE To investigate haemodynamic changes in the transplanted liver without postoperative complications. METHODS Colour Doppler ultrasound was used to monitor recipients of liver transplants who had no postoperative complications. The haemodynamic data for the hepatic vasculature were compared at different time-points during the first 4 years after liver transplantation. RESULTS A total of 144 liver transplant patients were enrolled in the study. Portal vein flow velocity decreased significantly from 72.1 ± 30.3 cm/s at 1 day to 44.2 ± 20.1 cm/s at 1 month after liver transplantation. Hepatic artery flow velocity was 61.4 ± 33.2 cm/s at day 1; it then decreased slowly but significantly to 48.3 ± 20.4 cm/s at 3 years after transplantation. There were 81 (56.3%) patients with high hepatic artery resistance index (HARI) (>0.80) and 19 (13.2%) with low HARI (<0.50) measured at least once during the 4-year follow-up examination. CONCLUSIONS Decreased portal vein flow velocity was the typical change observed during the first month after liver transplantation. Abnormal haemodynamic Doppler results should be interpreted with caution because they may not be clinically significant and may improve spontaneously.
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Affiliation(s)
- Hong Han
- Department of Ultrasound, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Rong Liu
- Department of Interventional Radiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Wen-Ping Wang
- Department of Ultrasound, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Hong Ding
- Department of Ultrasound, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jie-Xian Wen
- Department of Ultrasound, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Xi-Yuan Lin
- Department of Ultrasound, Zhongshan Hospital, Fudan University, Shanghai, China
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12
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Rostambeigi N, Hunter D, Duval S, Chinnakotla S, Golzarian J. Stent placement versus angioplasty for hepatic artery stenosis after liver transplant: a meta-analysis of case series. Eur Radiol 2013; 23:1323-34. [PMID: 23239061 DOI: 10.1007/s00330-012-2730-9] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2012] [Revised: 10/23/2012] [Accepted: 11/07/2012] [Indexed: 12/12/2022]
Abstract
BACKGROUND Hepatic artery stenosis (HAS) is a serious complication of liver transplantation but data on the most effective endovascular management are lacking. We aimed to compare percutaneous balloon angioplasty (PBA) with stent placement. METHODS We searched MEDLINE, Cochrane, Web of Science, EMBASE, SCOPUS, and Biosis Previews between 1970 and December 2011 and performed meta-analysis of short-term (procedural success, complications) and long-term outcomes (liver function, arterial patency, survival, re-intervention, re-transplantation). Random effects models were used for the analysis and meta-regression performed for the year of study. RESULTS A total of 263 liver transplants in 257 patients [age 43 (±8) years] underwent 147 PBAs and 116 stents. Transplanted livers were from deceased donors in 240 (91 %). Follow-up was 1 month to 4.5 years (median 17 months). PBA and stent had similar procedural success (89 % vs. 98 %), complications (16 % vs. 19 %), normal liver function tests (80 % vs. 68 %), arterial patency (76 % vs. 68 %), survival (80 % vs. 82 %), and requirement for re-intervention (22 % vs. 25 %) or re-transplantation (20 % vs. 24 %) (P non-significant). In the most recent studies re-transplantation was reported less compared to older series (P = 0.04). CONCLUSION Both PBA and stent offer comparable results for HAS. These techniques have contributed to a recent decline in re-transplantation. KEY POINTS • Interventional radiological procedures are often used to treat post-transplant hepatic artery stenosis. • Meta-analysis shows that percutaneous balloon angioplasty and stent placement are both efficacious. • Percutaneous balloon angioplasty and stent placement appear to have similar complication rates. • Re-transplantation rates have declined, partly due to interventional management for arterial stenosis.
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13
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Singhal A, Stokes K, Sebastian A, Wright HI, Kohli V. Endovascular treatment of hepatic artery thrombosis following liver transplantation. Transpl Int 2009; 23:245-56. [PMID: 20030796 DOI: 10.1111/j.1432-2277.2009.01037.x] [Citation(s) in RCA: 82] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Hepatic artery thrombosis (HAT) is the most frequent vascular complication following orthotopic liver transplantation. Urgent retransplantation has been considered as the mainstay therapy. Surgical revascularization is an effective alternative in asymptomatic patients. Endovascular therapies including intra-arterial thrombolysis, percutaneous transluminal angioplasty (PTA), and stent placement have shown encouraging results in recent years; however, their use remains controversial because of potential risk of hemorrhage. Until June 2009, 69 cases were published in 16 reports describing therapeutic potential of endovascular modalities. Interventions were performed as early as within 4 h to as late as 120 days in patients ranging from 4 months to 64 years of age. Majority of published reports suggested the use of urokinase. Thrombolysis was successful in 47 out of 69 (68%) patients. Bleeding was the most common complication including fatal intra-abdominal hemorrhage in three patients. Twenty-nine out of 47 (62%) patients underwent further intervention in the form of PTA, stenting, or both. The follow-up patency ranged from 1 month to 26 months. In conclusion, whenever possible, efforts should be made to rescue the liver grafts through urgent revascularization (surgical and/or endovascular) depending on patient's condition and interventional expertise at the transplant center; reserving the option of retransplantation for failure, complications, and cases with severe clinical symptoms or allograft dysfunction.
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Affiliation(s)
- Ashish Singhal
- Nazih Zuhdi Transplant Institute, INTEGRIS Baptist Medical Center, Oklahoma City, OK 73112, USA
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14
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Hepatic artery complications after orthotopic liver transplantation: interventional treatment or retransplantation? Chin Med J (Engl) 2008. [DOI: 10.1097/00029330-200810020-00009] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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15
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Jeon G, Won J, Wang H, Kim B, Lee B. Endovascular treatment of acute arterial complications after living-donor liver transplantation. Clin Radiol 2008; 63:1099-105. [DOI: 10.1016/j.crad.2008.04.015] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2007] [Revised: 04/02/2008] [Accepted: 04/03/2008] [Indexed: 11/17/2022]
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16
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Boyvat F, Aytekin C, Harman A, Sevmiş S, Karakayali H, Haberal M. Endovascular stent placement in patients with hepatic artery stenoses or thromboses after liver transplant. Transplant Proc 2008; 40:22-6. [PMID: 18261538 DOI: 10.1016/j.transproceed.2007.12.027] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Hepatic artery stenosis or thrombosis following liver transplant is a potentially life-threatening complication. Successful liver transplant depends on uncompromised hepatic arterial inflow. Early diagnosis and treatment of complications prolong graft survival. Interventional radiologic techniques are frequently used to treat hepatic artery complications. Twenty patients with hepatic artery stenoses (n = 11) or thromboses (n = 9) were included in this study. Eighteen of the 20 patients were successfully treated by stent placement. In 9 patients, early endovascular interventions were performed 1 to 7 days after surgery. Two patients were operated owing to the effects of dissection and bleeding from the hepatic artery. Repeat endovascular interventions were performed 10 times in 6 patients. Follow-up ranged from 5 months to 4.5 years. Nine patients with patent hepatic arteries died during follow-up owing to reasons unrelated to the hepatic artery interventions. In 3 patients, the stents became occluded at 3, 5, and 9 months after surgery but no clinical symptoms were present.
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Affiliation(s)
- F Boyvat
- Department of Radiology, Başkent University Medical Faculty, Ankara, Turkey
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17
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Accuracy of Multidetector Computed Tomographic Angiography for Detecting Hepatic Artery Complications After Liver Transplantation. Transplant Proc 2007; 39:3239-44. [DOI: 10.1016/j.transproceed.2007.08.097] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2006] [Revised: 07/23/2007] [Accepted: 08/06/2007] [Indexed: 12/13/2022]
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18
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Saad WE, Lin E, Ormanoski M, Darcy MD, Rubens DJ. Noninvasive Imaging of Liver Transplant Complications. Tech Vasc Interv Radiol 2007; 10:191-206. [DOI: 10.1053/j.tvir.2007.09.014] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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19
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Boyvat F, Aytekin C, Karakayali H, Ozyer U, Sevmis S, Emiroğlu R, Haberal M. Stent placement in pediatric patients with hepatic artery stenosis or thrombosis after liver transplantation. Transplant Proc 2007; 38:3656-60. [PMID: 17175359 DOI: 10.1016/j.transproceed.2006.10.169] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2006] [Indexed: 02/08/2023]
Abstract
Hepatic artery stenosis (HAS) and thrombosis (HAT) after orthotopic liver transplantation remain significant causes of graft loss. Postoperative HAT follows approximately 5% to 19% of orthotopic liver transplantation. It is seen more frequently in pediatric patients. In the past, repeat transplantation was considered the first choice for therapy. Recently, interventional radiological techniques, such as thrombolysis, percutaneous transluminal angioplasty, or stent placement in the hepatic artery, have been suggested, but little data exist related to stent placement in the thrombosed hepatic artery during the early postoperative period in pediatric patients. Between March 2000 and March 2005, percutaneous endoluminal stent placement was performed in seven pediatric liver transplant patients. HAT or HAS initially diagnosed in all cases by Doppler ultrasound then confirmed angiographically. We intervened in four cases of hepatic artery stenosis and three cases of hepatic artery occlusion. Stents were placed in all patients. Three ruptures were seen during percutaneous transluminal angioplasty of the hepatic artery using a covered coronary stents on the first, fifth day, or 17th postoperative day. In one patient, dissection of the origin of the common hepatic artery developed owing to a guiding sheath, and a second stent was placed to cover the dissected segment. The other two hepatic artery stents remained patent. In one stent became occluded at 3 months after the intervention with no clinical problems. Follow-up ranged from 9 to 40 months. In conclusion, early and late postoperative stent placement in the graft hepatic artery was technically feasible.
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Affiliation(s)
- F Boyvat
- Department of Radiology, Baskent University, Ankara, Turkey
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20
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Berrocal T, Parrón M, Alvarez-Luque A, Prieto C, Santamaría ML. Pediatric liver transplantation: a pictorial essay of early and late complications. Radiographics 2006; 26:1187-209. [PMID: 16844941 DOI: 10.1148/rg.264055081] [Citation(s) in RCA: 79] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Orthotopic liver transplantation is currently the treatment of choice in patients with end-stage liver disease for which no other therapy is available. In children, segmental liver transplantation with living donor, reduced-size cadaveric, and split cadaveric allografts has become an important therapeutic option. However, the resulting expansion of the donor pool has increased the risk for postoperative vascular and biliary complications, which affect children more frequently than adults. Early recognition of these complications requires radiologic evaluation because their clinical manifestations are frequently nonspecific and vary widely. Doppler ultrasonography (US) plays the leading role in the postoperative evaluation of pediatric patients. Current magnetic resonance (MR) imaging techniques, including MR angiography and MR cholangiography, may provide a wealth of pertinent information and should be used when findings at US are inconclusive. Computed tomography is a valuable complement to US in the evaluation of complications involving the hepatic parenchyma as well as extrahepatic sites and is commonly used to guide percutaneous aspiration and fluid collection drainage. Familiarity with and early recognition of the imaging appearances of the various postoperative complications of pediatric liver transplantation are crucial for graft and patient survival.
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Affiliation(s)
- Teresa Berrocal
- Department of Radiology, Division of Pediatric Radiology, University Hospital La Paz, Paseo de la Castellana 263, 28046 Madrid, Spain
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Abstract
Improvements in surgical technique, advances in the field of immunosuppresion and the early diagnosis and treatment of complications related to liver transplantation have all led to prolonged survival after liver transplantation. In particular, advances in diagnostic and interventional radiology have allowed the Interventional Radiologist, as part of the transplant team, to intervene early in patients presenting with complications related to organ transplant with resultant increase in graft and patient survival. Such interventions are often achieved using minimally invasive percutaneous endovascular techniques. Herein we present an overview of some of these diagnostic and therapeutic approaches in the treatment and management of patients before and after liver transplantation.
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Affiliation(s)
- Nikhil B Amesur
- Department of Radiology, Division of Vascular and Interventional Radiology, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA.
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