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Wang LJ, Yao X, Qi Q, Qin JP. Prevention and treatment of hepatic encephalopathy during the perioperative period of transjugular intrahepatic portosystemic shunt. World J Gastrointest Surg 2023; 15:1564-1573. [PMID: 37701697 PMCID: PMC10494578 DOI: 10.4240/wjgs.v15.i8.1564] [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: 03/05/2023] [Revised: 05/09/2023] [Accepted: 05/22/2023] [Indexed: 08/25/2023] Open
Abstract
Transjugular intrahepatic portosystemic shunt (TIPS) is an established procedure for treating the complications of portal hypertension in liver cirrhosis. While the pathogenesis of postoperative TIPS-related hepatic encephalopathy (HE) has yet to be fully understood, intraoperative portosystemic shunts may provide a pathological basis for the occurrence of postoperative HE in patients with liver cirrhosis. Studies at home and abroad have expressed mixed opinions about TIPS-related HE. This study presents a literature review on the risk factors for and prevention and treatment of perioperative TIPS-related HE in patients with liver cirrhosis, aiming to optimize the procedure and reduce the incidence of postoperative HE.
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Affiliation(s)
- Lan-Jing Wang
- Department of Gastroenterology, The General Hospital of Western Theater Command, Chengdu 610083, Sichuan Province, China
| | - Xin Yao
- Department of Gastroenterology, The General Hospital of Western Theater Command, Chengdu 610083, Sichuan Province, China
| | - Qi Qi
- Department of Gastroenterology, The General Hospital of Western Theater Command, Chengdu 610083, Sichuan Province, China
| | - Jian-Ping Qin
- Department of Gastroenterology, The General Hospital of Western Theater Command, Chengdu 610083, Sichuan Province, China
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Yao X, He S, Wei M, Qin JP. Influence of different portal vein branches on hepatic encephalopathy during intrahepatic portal shunt via jugular vein. World J Gastroenterol 2022; 28:4467-4470. [PMID: 36159008 PMCID: PMC9453769 DOI: 10.3748/wjg.v28.i31.4467] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 04/07/2022] [Accepted: 07/22/2022] [Indexed: 02/06/2023] Open
Abstract
This letter is regarding the study titled ‘Targeted puncture of left branch of intrahepatic portal vein in transjugular intrahepatic portosystemic shunt (TIPS) to reduce hepatic encephalopathy’. Prior to the approval of TIPS dedicated stents (Viatorr stents) in China in October 2015, Fluency covered stents were typically used. As Fluency covered stents have a strong support force and axial elastic tension, a ‘cap’ may form if the stent is located too low at the end of the hepatic vein or too short at the end of the portal vein during surgery, leading to stent dysfunction. Since the blood shunted by the stent is from the main trunk of the portal vein, the correlation between the incidence of postoperative hepatic encephalopathy and the location of the puncture target (left or right portal vein branch) is worth discussion. Notably, no studies in China or foreign countries have proven the occurrence of left and right blood stratification after the accumulation of splenic vein and mesenteric blood flow in the main trunk of the portal vein in patients with cirrhotic portal hypertension.
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Affiliation(s)
- Xin Yao
- Department of Gastroenterology, General Hospital of Western Theater Command, Chengdu 610083, Sichuan Province, China
| | - Sheng He
- Department of Gastroenterology, General Hospital of Western Theater Command, Chengdu 610083, Sichuan Province, China
| | - Meng Wei
- Department of Gastroenterology, General Hospital of Western Theater Command, Chengdu 610083, Sichuan Province, China
| | - Jian-Ping Qin
- Department of Gastroenterology, General Hospital of Western Theater Command, Chengdu 610083, Sichuan Province, China
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Yang C, Chen Y, Wang C, Liu J, Huang S, Zhou C, Wang Y, Ju S, Li T, Bai Y, Yao W, Xiong B. Portal flow diversion based on portography is superior than puncture site in the prediction of overt hepatic encephalopathy after TIPS creation. BMC Gastroenterol 2022; 22:363. [PMID: 35906529 PMCID: PMC9336111 DOI: 10.1186/s12876-022-02447-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 07/19/2022] [Indexed: 11/29/2022] Open
Abstract
Background Targeted puncture of an appropriate portal venous branch during transjugular intrahepatic portosystemic shunt (TIPS) procedure may reduce the risk of postprocedural overt hepatic encephalopathy (HE). This study aimed to describe blood distribution under portography and combined it with puncture site to determine portal flow diversion, and to evaluate its prognostic value in predicting post-TIPS overt HE. Methods In this retrospective analysis of patients with cirrhosis undergoing TIPS, we included 252 patients to describe blood distribution under portography and 243 patients to assess the association between portal flow diversion and post-TIPS overt HE. Results At the first stage, 51 (20.2%) patients were identified as type A (unilateral type with the right portal branch receives blood from splenic vein [SV]), 16 (6.4%) as type B (unilateral type with the right branch receives blood from superior mesenteric vein [SMV]) and 185 (73.4%) as type C (fully mixed type). At the second stage, 40 patients were divided into the SV group, 25 into the SMV group and 178 into the mixed group. Compared with the mixed group, the risk of post-TIPS overt HE was significantly higher in the SMV group (adjusted HR 3.70 [95% CI 2.01–6.80]; p < 0.001), whereas the SV group showed a non-significantly decreased risk (adjusted HR 0.57 [95% CI 0.22–1.48]; p = 0.25). Additionally, the SMV group showed a substantial increase in ammonia level at 3 days and 1 month after procedure. Conclusions Our results support the clinical use of portal flow diversion for risk stratification and decision-making in the management of post-TIPS overt HE. Supplementary Information The online version contains supplementary material available at 10.1186/s12876-022-02447-y.
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Affiliation(s)
- Chongtu Yang
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue #1277, Wuhan, 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Yang Chen
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue #1277, Wuhan, 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Chaoyang Wang
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue #1277, Wuhan, 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Jiacheng Liu
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue #1277, Wuhan, 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Songjiang Huang
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue #1277, Wuhan, 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Chen Zhou
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue #1277, Wuhan, 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Yingliang Wang
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue #1277, Wuhan, 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Shuguang Ju
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue #1277, Wuhan, 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Tongqiang Li
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue #1277, Wuhan, 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Yaowei Bai
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue #1277, Wuhan, 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Wei Yao
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue #1277, Wuhan, 430022, China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430022, China
| | - Bin Xiong
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue #1277, Wuhan, 430022, China. .,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, 430022, China.
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Zhai S, Cui Q, Dong F, Wen S, Si M, Chen Q. Clinical efficacy of transjugular intrahepatic portosystemic shunt created through left or right branches of the portal vein: A meta-analysis. J Interv Med 2021; 4:190-196. [PMID: 35586382 PMCID: PMC8947996 DOI: 10.1016/j.jimed.2021.08.002] [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: 05/27/2021] [Revised: 08/04/2021] [Accepted: 08/11/2021] [Indexed: 02/07/2023] Open
Abstract
Background and aim Transjugular intrahepatic portosystemic shunt (TIPS) is a technique successfully used to treat portal hypertension and its complications. However, the choice of the branch, left (L) or right (R), of the portal vein resulting in a better outcome is still under debate. Therefore, this meta-analysis aims to evaluate which branch has a better curative effect on patients treated with TIPS. Methods PubMed, EMBASE, Web of science, Cochrane Library databases, Wanfang database and CBM were used for our search in October 2019 and updated in June 2021. The following parameters were used in evaluation: overall mortality, hepatic encephalopathy, shunt dysfunction, variceal rebleeding and rate of postoperative ascites. Results There were seven studies included. The sample size was 1940. A lower risk of mortality was observed in TIPS-L-treated patients compared with TIPS-R-treated ones (OR = 0.65, 95% CI = 0.50–0.85, p = 0.002). A lower risk of shunt dysfunction was observed in TIPS-L-treated patients compared with TIPS-R-treated ones (OR = 0.53, 95% CI = 0.33–0.87, p = 0.01). And the TIPS-L group had a significantly higher hepatic encephalopathy-free rate than the TIPS-R group (OR = 0.59, 95% CI = 0.44–0.78, p = 0.0002). However, the rate of rebleeding (OR = 0.75, 95% CI = 0.55–1.03, p = 0.07) and incidence of postoperative ascites (OR = 1.14, 95% CI = 0.86–1.51, p = 0.38) was not statistically significant between the two groups. Conclusions Based on the currently available evidence, the technique of TIPS through the left branch of the portal vein can significantly reduce the occurrence of overall postoperative mortality, hepatic encephalopathy and shunt dysfunction.
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Wang Z, Wu YF, Yue ZD, Zhao HW, Wang L, Fan ZH, Zhang Y, Liu FQ. Comparative study of indocyanine green-R15, Child-Pugh score, and model for end-stage liver disease score for prediction of hepatic encephalopathy after transjugular intrahepatic portosystemic shunt. World J Gastroenterol 2021; 27:416-427. [PMID: 33584073 PMCID: PMC7856842 DOI: 10.3748/wjg.v27.i5.416] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 12/25/2020] [Accepted: 01/15/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Hepatic encephalopathy (HE) remains an enormous challenge in patients who undergo transjugular intrahepatic portosystemic shunt (TIPS) implantation. The preoperative indocyanine green retention rate at 15 min (ICG-R15), as one of the liver function assessment tools, has been developed as a prognostic indicator in patients undergoing surgery, but there are limited data on its role in TIPS.
AIM To determine whether the ICG-R15 can be used for prediction of post-TIPS HE in decompensated cirrhosis patients with portal hypertension (PHT) and compare the clinical value of ICG-R15, Child-Pugh score (CPS), and model for end-stage liver disease (MELD) score in predicting post-TIPS HE with PHT.
METHODS This retrospective study included 195 patients with PHT who underwent elective TIPS at Beijing Shijitan Hospital from January 2018 to June 2019. All patients underwent the ICG-R15 test, CPS evaluation, and MELD scoring 1 wk before TIPS. According to whether they developed HE or not, the patients were divided into two groups: HE group and non-HE group. The prediction of one-year post-TIPS HE by ICG-R15, CPS and MELD score was evaluated by the areas under the receiver operating characteristic curves (AUCs).
RESULTS A total of 195 patients with portal hypertension were included and 23% (45/195) of the patients developed post-TIPS HE. The ICG-R15 was identified as an independent predictor of post-TIPS HE. The AUCs for the ICG-R15, CPS, and MELD score for predicting post-TIPS HE were 0.664 (95% confidence interval [CI]: 0.557-0.743, P = 0.0046), 0.596 (95%CI: 0.508-0.679, P = 0.087), and 0.641 (95%CI: 0.554-0.721, P = 0.021), respectively. The non-parametric approach (Delong-Delong & Clarke-Pearson) showed that there was statistical significance in pairwise comparison between AUCs of ICG-R15 and MELD score (P = 0.0229).
CONCLUSION The ICG-R15 has appreciated clinical value for predicting the occurrence of post-TIPS HE and is a choice for evaluating the prognosis of patients undergoing TIPS.
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Affiliation(s)
- Zhong Wang
- Department of Interventional Therapy, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - Yi-Fan Wu
- Department of Interventional Therapy, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - Zhen-Dong Yue
- Department of Interventional Therapy, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - Hong-Wei Zhao
- Department of Interventional Therapy, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - Lei Wang
- Department of Interventional Therapy, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - Zhen-Hua Fan
- Department of Interventional Therapy, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - Yu Zhang
- Department of Interventional Therapy, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - Fu-Quan Liu
- Department of Interventional Therapy, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
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Luo SH, Chu JG, Huang H, Zhao GR, Yao KC. Targeted puncture of left branch of intrahepatic portal vein in transjugular intrahepatic portosystemic shunt to reduce hepatic encephalopathy. World J Gastroenterol 2019; 25:1088-1099. [PMID: 30862997 PMCID: PMC6406189 DOI: 10.3748/wjg.v25.i9.1088] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 01/24/2019] [Accepted: 01/28/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Transjugular intrahepatic portosystemic shunt (TIPS) is currently used for the treatment of complications of portal hypertension. The incidence of hepatic encephalopathy (HE) remains a problem in TIPS placement. It has been reported that the right branch mainly receives superior mesenteric venous blood while the left branch mainly receives blood from the splenic vein. We hypothesized that targeted puncture of the left portal vein would divert the non-nutritive blood from the splenic vein into the TIPS shunt; therefore, targeted puncture of the left branch of the intrahepatic portal vein during TIPS may reduce the risk of HE.
AIM To evaluate the influence of targeted puncture of left branch of portal vein in TIPS on HE.
METHODS A retrospective analysis of 1244 patients with portal-hypertension-related complications of refractory ascites or variceal bleeding who underwent TIPS from January 2000 to January 2013 was performed. Patients were divided into group A (targeting left branch of portal vein, n = 937) and group B (targeting right branch of portal vein, n = 307). TIPS-related HE and clinical outcomes were analyzed.
RESULTS The symptoms of ascites and variceal bleeding disappeared within a short time. By the endpoint of follow-up, recurrent bleeding and ascites did not differ significantly between groups A and B (P = 0.278, P = 0.561, respectively). Incidence of HE differed significantly between groups A and B at 1 mo (14.94% vs 36.80%, χ2 = 4.839, P = 0.028), 3 mo (12.48% vs 34.20%, χ2 = 5.054, P = 0.025), 6 mo (10.03% vs 32.24%, χ2 = 6.560, P = 0.010), 9 mo (9.17% vs 31.27%, χ2 = 5.357, P = 0.021), and 12 mo (8.21% vs 28.01, χ2 = 3.848, P = 0.051). There were no significant differences between groups A and B at 3 years (6.61% vs 7.16%, χ2 = 1.204, P = 0.272) and 5 years (5.01% vs 6.18%, χ2 = 0.072, P = 0.562). The total survival rate did not differ between groups A and B (χ2 = 0.226, P = 0.634, log-rank test).
CONCLUSION Targeted puncture of the left branch of the intrahepatic portal vein during TIPS may reduce the risk of HE but has no direct influence on prognosis of portal-hypertension-related complications.
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Affiliation(s)
- Shi-Hua Luo
- Department of Radiology, Zhongnan Hospital of Wuhan University, Wuhan 430071, Hubei Province, China
| | - Jian-Guo Chu
- Department of Radiology, Air Force Medical Center of PLA, Beijing 100142, China
| | - He Huang
- Department of Radiology, Air Force Medical Center of PLA, Beijing 100142, China
| | - Guo-Rui Zhao
- Department of Interventional Radiology, Henan Provincial Infectious Disease Hospital, Zhengzhou 450015, Henan Province, China
| | - Ke-Chun Yao
- Department of Ultrasound, Air Force Medical Center of PLA, Beijing 100142, China
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Ali F, Mangi MA, Rehman H, Kaluski E. Use of carbon dioxide as an intravascular contrast agent: A review of current literature. World J Cardiol 2017; 9:715-722. [PMID: 29081903 PMCID: PMC5633534 DOI: 10.4330/wjc.v9.i9.715] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2016] [Revised: 07/12/2016] [Accepted: 10/24/2016] [Indexed: 02/06/2023] Open
Abstract
Use of X-ray contrast allows us to differentiate between two or more adjacent structures on radiographic studies. The X-ray contrast agent can be the one with increase X-ray absorption, like iodine and a barium X-ray contrast agent or the one with decrease X-ray absorption like air and carbon dioxide contrast agent. Each contrast agent possesses different risks and benefits in various ways. Carbon dioxide as an intravascular contrast agent can be used as an alternative intravascular contrast agent and has superior results in some cases. In patients with renal dysfunction or iodinated contrast allergy, the use of Iodinated Contrast Agent poses the risk of considerable morbidity. Similarly, use of Gadolinium is discouraged in subject with severe renal dysfunction. Use of carbon dioxide (CO2) as an intravascular contrast, offers an alternative in such patients for certain procedures, as it is not nephrotoxic and it does not incite allergic reactions. It is inexpensive, readily available and due to its unique physical properties, it can be used to image a wide variety of vascular beds and chambers. The aim of this paper is to systemically review the current literature to describe the indications, contraindications, adverse effects, instruments, precautions, latest methodologies and data supporting for the use of CO2 as a contrast agent.
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Affiliation(s)
- Fahad Ali
- Division of Cardiology, Department of Medicine and Lehigh Valley Hospital, Allentown, PA 18105, United States
| | - Muhammad Asif Mangi
- Department of Pulmonary and Critical Care Medicine, Mayo Clinic, Jacksonville, FL 32224, United States
| | - Hiba Rehman
- Department of Pulmonary and Critical Care Medicine, Mayo Clinic, Jacksonville, FL 32224, United States
| | - Edo Kaluski
- Division of Cardiology, Department of Medicine, Guthrie Robert Packer Hospital and Guthrie Health Services, Sayre, PA 18840, United States
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