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Mukund A, Premkumar M, Srivastava A, Baby A, Patidar Y, Sarin S. Partial Reversal of Shunt Myelopathy and Hepatic Parkinsonism Using Balloon-Occluded Retrograde Transvenous Obliteration. Cardiovasc Intervent Radiol 2024; 47:847-851. [PMID: 38649445 DOI: 10.1007/s00270-024-03729-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 04/04/2024] [Indexed: 04/25/2024]
Affiliation(s)
- Amar Mukund
- Interventional Radiology, Institute of Liver and Biliary Sciences, D1 Vasant Kunj, New Delhi, India.
| | - Madhumita Premkumar
- Hepatology, Institute of Liver and Biliary Sciences, D1 Vasant Kunj, New Delhi, India
| | - Amol Srivastava
- Interventional Radiology, Institute of Liver and Biliary Sciences, D1 Vasant Kunj, New Delhi, India
| | - Akhil Baby
- Interventional Radiology, Institute of Liver and Biliary Sciences, D1 Vasant Kunj, New Delhi, India
| | - Yashwant Patidar
- Interventional Radiology, Institute of Liver and Biliary Sciences, D1 Vasant Kunj, New Delhi, India
| | - Shiv Sarin
- Hepatology, Institute of Liver and Biliary Sciences, D1 Vasant Kunj, New Delhi, India
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Lee EW, Eghtesad B, Garcia-Tsao G, Haskal ZJ, Hernandez-Gea V, Jalaeian H, Kalva SP, Mohanty A, Thabut D, Abraldes JG. AASLD Practice Guidance on the use of TIPS, variceal embolization, and retrograde transvenous obliteration in the management of variceal hemorrhage. Hepatology 2024; 79:224-250. [PMID: 37390489 DOI: 10.1097/hep.0000000000000530] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 06/22/2023] [Indexed: 07/02/2023]
Affiliation(s)
- Edward Wolfgang Lee
- Department of Radiology and Surgery, Ronald Reagan UCLA Medical Center, Los Angeles, California, USA
| | - Bijan Eghtesad
- Department of General Surgery, Digestive Disease and Surgery Institute Cleveland Clinic, Cleveland, Ohio, USA
| | - Guadalupe Garcia-Tsao
- Yale University School of Medicine, Department of Internal Medicine, Section of Digestive Diseases, New Haven, Connecticut, USA
- VA Connecticut Healthcare System, West Haven, Connecticut, USA
| | - Ziv J Haskal
- Department of Radiology and Medical Imaging/Interventional Radiology, University of Virginia School of Medicine, Charlottesville, Virginia, USA
| | - Virginia Hernandez-Gea
- Barcelona Hepatic Hemodynamic Laboratory, Liver Unit, Hospital Clínic, Institut D'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS). Universitat de Barcelona (UB). CIBEREHD (Centro de Investigación Biomédica en Red Enfermedades Hepáticas y Digestivas). Health Care Provider of the European Reference Network on Rare Liver Disorders (ERN-Liver), Barcelona, Spain
| | - Hamed Jalaeian
- Department of Interventional Radiology, Miller School of Medicine, University of Miami, Miami, Florida, USA
| | | | - Arpan Mohanty
- Boston University Chobanian and Avedisian School of Medicine, Boston, Massachusetts, USA
| | - Dominique Thabut
- AP-HP Sorbonne Université, Hôpital Universitaire Pitié-Salpêtrière, Service d'Hépato-gastroentérologie, Paris, France
| | - Juan G Abraldes
- Division of Gastroenterology (Liver Unit), University of Alberta, Edmonton, Canada
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Chooklin S, Chuklin S. Transvenous obliteration of gastric varices. EMERGENCY MEDICINE 2023; 19:2-13. [DOI: 10.22141/2224-0586.19.1.2023.1549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/02/2024]
Abstract
Gastric varices on the background of portal hypertension occur less frequently than esophageal varices but they develop at lower portal pressure and are associated with more massive bleedings and higher mortality rate. Balloon-occluded retrograde transvenous obliteration (BRTO) has been well documented as an effective therapy for gastric varices caused by portal hypertension. However, BRTO requires long-term, higher-level post-procedural monitoring and can have complications related to balloon rupture and adverse effects of sclerosing agents. Several modified BRTO techniques have been developed, including vascular plug-assisted retrograde transvenous obliteration, coil-assisted retrograde transvenous obliteration, and balloon-occluded antegrade transvenous obliteration. This article provides an overview of BRTO various and modified BRTO techniques.
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Nagao Y, Toshida K, Morinaga A, Tomiyama T, Kosai Y, Shimagaki T, Tomino T, Wang H, Kurihara T, Toshima T, Morita K, Itoh S, Harada N, Yoshizumi T. Caution for living donor liver transplantation with congenital portosystemic shunt: a case report. Surg Case Rep 2022; 8:190. [PMID: 36201092 PMCID: PMC9537393 DOI: 10.1186/s40792-022-01533-3] [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: 04/24/2022] [Accepted: 09/13/2022] [Indexed: 11/05/2022] Open
Abstract
Background Congenital portosystemic shunt is an infrequent abnormal connection between the portal vascular system and the systemic circulation. Portosystemic shunts are common findings in patients with cirrhosis, causing gastroesophageal varices, hepatic encephalopathy, and others. However, there is no consensus or literature describing how to manage asymptomatic patients with portosystemic shunts and normal liver. Case presentation The patient was a 39-year-old female who underwent donor right hepatectomy for living donor liver transplantation. The patient was healthy by nature, however, developed hepatic encephalopathy after the surgery due to a development of portosystemic shunt. Portosystemic shunt stole portal blood flow, and imaging modalities revealed narrowing of the portal trunk, representing prolonged depletion of portal blood flow. Balloon-occluded retrograde transvenous obliteration (B-RTO) was performed for occlusion of the portosystemic shunt. B-RTO increased portal blood flow, and hepatic encephalopathy with hyperammonemia was successfully resolved without the outbreak of any other symptom of portal hypertension. Conclusions A congenital portosystemic shunt itself is not a contraindication for donor hepatectomy, but perioperative endovascular shunts occlusion or intraoperative ligature of these shunts should be considered.
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Affiliation(s)
- Yoshihiro Nagao
- grid.411248.a0000 0004 0404 8415Department of Advanced Medical Initiatives, Kyushu University Hospital, Fukuoka, Japan ,grid.177174.30000 0001 2242 4849Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582 Japan
| | - Katsuya Toshida
- grid.177174.30000 0001 2242 4849Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582 Japan
| | - Akinari Morinaga
- grid.177174.30000 0001 2242 4849Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582 Japan
| | - Takahiro Tomiyama
- grid.177174.30000 0001 2242 4849Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582 Japan
| | - Yukiko Kosai
- grid.177174.30000 0001 2242 4849Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582 Japan
| | - Tomonari Shimagaki
- grid.177174.30000 0001 2242 4849Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582 Japan
| | - Takahiro Tomino
- grid.177174.30000 0001 2242 4849Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582 Japan
| | - Huanlin Wang
- grid.177174.30000 0001 2242 4849Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582 Japan
| | - Takeshi Kurihara
- grid.177174.30000 0001 2242 4849Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582 Japan
| | - Takeo Toshima
- grid.177174.30000 0001 2242 4849Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582 Japan
| | - Kazutoyo Morita
- grid.177174.30000 0001 2242 4849Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582 Japan
| | - Shinji Itoh
- grid.177174.30000 0001 2242 4849Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582 Japan
| | - Noboru Harada
- grid.177174.30000 0001 2242 4849Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582 Japan
| | - Tomoharu Yoshizumi
- grid.177174.30000 0001 2242 4849Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582 Japan
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Baiges A, Magaz M, Turon F, Hernández-Gea V, García-Pagán JC. Treatment of Acute Variceal Bleeding in 2021-When to Use Transjugular Intrahepatic Portosystemic Shunts? Clin Liver Dis 2021; 25:345-356. [PMID: 33838854 DOI: 10.1016/j.cld.2021.01.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Variceal bleeding in patients with cirrhosis is associated with high mortality if not adequately managed. Treatment of acute variceal bleeding with adequate resuscitation maneuvers, restrictive transfusion policy, antibiotic prophylaxis, pharmacologic therapy, and endoscopic therapy is highly effective at controlling bleeding and preventing death. There is a subgroup of high-risk cirrhotic patients in whom this strategy fails, however, and who have a high-mortality rate. Placing a preemptive transjugular intrahepatic portosystemic shunt in these high-risk patients, as soon as possible after admission, to achieve early control of bleeding has proved not only to control bleeding but also to improve survival.
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Affiliation(s)
- Anna Baiges
- Barcelona Hepatic Hemodynamic Laboratory, Liver Unit, Hospital Clínic, Institut de Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Villarroel 170, Barcelona 08036, Spain; CIBEREHD (Centro de Investigación Biomédica en Red Enfermedades Hepáticas y Digestivas), HealthCare Provider of the European Reference Network on Rare Liver Disorders (ERN-Liver)
| | - Marta Magaz
- Barcelona Hepatic Hemodynamic Laboratory, Liver Unit, Hospital Clínic, Institut de Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Villarroel 170, Barcelona 08036, Spain; CIBEREHD (Centro de Investigación Biomédica en Red Enfermedades Hepáticas y Digestivas), HealthCare Provider of the European Reference Network on Rare Liver Disorders (ERN-Liver)
| | - Fanny Turon
- Barcelona Hepatic Hemodynamic Laboratory, Liver Unit, Hospital Clínic, Institut de Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Villarroel 170, Barcelona 08036, Spain; CIBEREHD (Centro de Investigación Biomédica en Red Enfermedades Hepáticas y Digestivas), HealthCare Provider of the European Reference Network on Rare Liver Disorders (ERN-Liver)
| | - Virginia Hernández-Gea
- Barcelona Hepatic Hemodynamic Laboratory, Liver Unit, Hospital Clínic, Institut de Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Villarroel 170, Barcelona 08036, Spain; CIBEREHD (Centro de Investigación Biomédica en Red Enfermedades Hepáticas y Digestivas), HealthCare Provider of the European Reference Network on Rare Liver Disorders (ERN-Liver)
| | - Juan Carlos García-Pagán
- Barcelona Hepatic Hemodynamic Laboratory, Liver Unit, Hospital Clínic, Institut de Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Villarroel 170, Barcelona 08036, Spain; CIBEREHD (Centro de Investigación Biomédica en Red Enfermedades Hepáticas y Digestivas), HealthCare Provider of the European Reference Network on Rare Liver Disorders (ERN-Liver).
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Park JW, Yoo JJ, Kim SG, Jeong SW, Jang JY, Lee SH, Kim HS, Lee JM, Shim JJ, Kim YD, Cheon GJ, Jun BG, Kim YS. Change in Portal Pressure and Clinical Outcome in Cirrhotic Patients with Gastric Varices after Plug-Assisted Retrograde Transvenous Obliteration. Gut Liver 2020; 14:783-791. [PMID: 32050751 PMCID: PMC7667928 DOI: 10.5009/gnl19293] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 10/28/2019] [Accepted: 11/05/2019] [Indexed: 12/13/2022] Open
Abstract
Background/Aims Plug-assisted retrograde transvenous obliteration (PARTO) is widely used to manage gastric varices with a portosystemic shunt. It is not clear whether portal pressure and the incidence of complications increase after PARTO. The aim of this study was to determine the changes in portal pressure and the associated changes in liver function, ascites, hepatic encephalopathy, and especially esophageal varix (EV) after PARTO. Methods From March 2012 to February 2018, 54 patients who underwent PARTO were analyzed retrospectively. The parameters collected included liver function and episodes of cirrhotic complications before and at 1 and 6 months after PARTO. Results The analysis of 54 patients showed improvement in liver function during the 6-month follow-up period (Model for End-Stage Liver Disease score: change from 11.46±4.35 to 10.33±2.96, p=0.021). Among these 54 patients, 25 patients were evaluated for their hepatic venous pressure gradient (HVPG) before and after PARTO (change from 12.52±3.83 to 14.68±5.03 mm Hg; p<0.001). Twenty-five patients with portal pressure measured before and after PARTO were evaluated for risk factors affecting liver function improvement and EV deterioration. No factor associated with portal pressure was affected by liver function improvement. Post-PARTO portal pressure was a risk factor affecting EV deterioration (HVPG-post: odds ratio, 1.341; 95% confidence interval, 1.017 to 1.767; p=0.037). Conclusions The artificial blockade of the portosystemic shunt evidently leads to an increase in HVPG. Liver function was improved over the 6-month follow-up period. Portal pressure after PARTO was a significant risk factor for EV deterioration. Portal pressure measurement is helpful for predicting the patient's clinical outcome.
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Affiliation(s)
- Jae Woo Park
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Soonchunhyang University College of Medicine, Bucheon, Korea
| | - Jeong-Ju Yoo
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Soonchunhyang University College of Medicine, Bucheon, Korea
| | - Sang Gyune Kim
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Soonchunhyang University College of Medicine, Bucheon, Korea
| | - Soung Won Jeong
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Soonchunhyang University Seoul Hospital, Soonchunhyang University College of Medicine, Seoul, Korea
| | - Jae Young Jang
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Soonchunhyang University Seoul Hospital, Soonchunhyang University College of Medicine, Seoul, Korea
| | - Sae Hwan Lee
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Soonchunhyang University Cheonan Hospital, Soonchunhyang University College of Medicine, Cheonan, Korea
| | - Hong Soo Kim
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Soonchunhyang University Cheonan Hospital, Soonchunhyang University College of Medicine, Cheonan, Korea
| | - Jae Myung Lee
- Department of Radiology, Soonchunhyang University Bucheon Hospital, Soonchunhyang University College of Medicine, Bucheon, Korea
| | - Jong Joon Shim
- Department of Radiology, Soonchunhyang University Bucheon Hospital, Soonchunhyang University College of Medicine, Bucheon, Korea
| | - Young Don Kim
- Department of Internal Medicine, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung, Korea
| | - Gab Jin Cheon
- Department of Internal Medicine, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung, Korea
| | - Baek Gyu Jun
- Department of Internal Medicine, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung, Korea
| | - Young Seok Kim
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Soonchunhyang University College of Medicine, Bucheon, Korea
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PTFE-covered TIPS is an effective treatment for secondary preventing variceal rebleeding in cirrhotic patients with high risks. Eur J Gastroenterol Hepatol 2020; 32:1235-1243. [PMID: 32744824 PMCID: PMC7423526 DOI: 10.1097/meg.0000000000001686] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
AIM To compare the effectiveness and safety of transjugular intrahepatic portosystemic shunt (TIPS) with endoscopic therapy plus non-selective β-blockers (NSBBs) for secondary prevention of gasroesophageal variceal bleeding (GEVB) in cirrhotic patients with high-risk factors of treatment failure. METHODS AND MATERIAL A total of 122 cirrhotic patients with history of gasroesophageal variceal bleeding and high factors including hepatic vein pressure gradient (HVPG) ≥ 20 mmHg, portal vein thrombosis (PVT), gastrorenal shunt (GRS), or extraluminal para-gastric veins (ep-GVs) detected by endoscopic ultrasound, were analyzed retrospectively. Seventy-seven patients underwent TIPS with PTFE-covered stent (group A) and 102 patients received endoscopic therapy combined with nonselective β-blockers (NSBBs) (group B). According to above high-risk factors, both groups were stratified into four paired subgroups (A1-A4 and B1-B4). Two-year rebleeding rate, overt hepatic encephalopathy, overall survival, and procedure-related adverse events were compared between the two groups and paired subgroups. RESULTS The 2-year cumulative probability of free of variceal rebleeding was higher in group A than group B (93 vs. 62%, P < 0.001). Similarly, the 2-year cumulative probability of free of variceal rebleeding was also higher in the subgroups A1-A4 than the subgroups B1-B4 (91 vs. 67%, P = 0.022, 90 vs. 67%, P = 0.021, 94 vs. 59%, P = 0.029, and 90 vs. 58%, P = 0.016, respectively). There was no significant difference between the two groups and corresponding subgroups in overt hepatic encephalopathy and survival. CONCLUSION Compared to secondary prophylaxis with endoscopic therapy plus NSBBs, polytetrafluoroethylene-covered TIPS could significantly reduce the variceal rebleeding rate in cirrhotic patients with HVPG ≥ 20 mmHg, PVT, GRS, or ep-GVs, without increasing the incidence of hepatic encephalopathy.
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8
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The combination of balloon-assisted antegrade transvenous obliteration and transjugular intrahepatic portosystemic shunt for the management of cardiofundal varices hemorrhage. Eur J Gastroenterol Hepatol 2020; 32:656-662. [PMID: 32175982 PMCID: PMC7147412 DOI: 10.1097/meg.0000000000001705] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
OBJECTIVES In this study, we propose a modified balloon-occluded retrograde transvenous obliteration (BRTO) strategy - balloon-assisted antegrade transvenous obliteration (BAATO), and explore the feasibility, efficacy and safety of BAATO combined with transjugular intrahepatic portosystemic shunt (TIPS) in the treatment of cardiofundal varices (GOV2 or IGV1) hemorrhage. MATERIALS AND METHODS In this retrospective cohort study, 15 patients with cardiofundal varices hemorrhage who received BAATO combined with TIPS procedures, from August 2017 to September 2019 in our center, were enrolled. They consisted of seven patients with GOV2 and eight patients with IGV1. The clinical efficacy and safety of BAATO + TIPS procedures were assessed by comparing the clinical symptoms, laboratory and imaging examinations before and after treatment. RESULTS The technical success rate of BAATO + TIPS procedure was 100%. After the procedure, clinical symptoms were improved and complete regression of gastric varices (GVs) was observed in all patients, besides, the control efficiency of ascites and PVT which were 77.8 and 87.5%, respectively. No patient died or had a rebleeding during the follow up, but grade II hepatic encephalopathy (HE) occurred in two patients (13.3%) and shunt dysfunction was discovered in one patient (6.7%). CONCLUSION For the treatment of GVs, the new technique BAATO is feasible, safe and effective, and it may be a more convenient and economical method than conventional BRTO. In addition, the combination of BAATO and TIPS may play a positive role in achieving hemostasis and improving the complications of portal hypertension such as ascites and PVT.
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Kim CY, Pinchot JW, Ahmed O, Braun AR, Cash BD, Feig BW, Kalva SP, Knavel Koepsel EM, Scheidt MJ, Schramm K, Sella DM, Weiss CR, Hohenwalter EJ. ACR Appropriateness Criteria® Radiologic Management of Gastric Varices. J Am Coll Radiol 2020; 17:S239-S254. [PMID: 32370968 DOI: 10.1016/j.jacr.2020.01.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Accepted: 01/30/2020] [Indexed: 12/13/2022]
Abstract
Hemorrhage, resulting from gastric varies, can be challenging to treat, given the various precipitating etiologies. A wide variety of treatment options exist for managing the diverse range of the underlying disease processes. While cirrhosis is the most common cause for gastric variceal bleeding, occlusion of the portal or splenic vein in noncirrhotic states results in a markedly different treatment paradigm. The American College of Radiology Appropriateness Criteria are evidence-based guidelines for specific clinical conditions that are reviewed annually by a multidisciplinary expert panel. The guideline development and revision include an extensive analysis of current medical literature from peer reviewed journals and the application of well-established methodologies (RAND/UCLA Appropriateness Method and Grading of Recommendations Assessment, Development, and Evaluation or GRADE) to rate the appropriateness of imaging and treatment procedures for specific clinical scenarios. In those instances where evidence is lacking or equivocal, expert opinion may supplement the available evidence to recommend imaging or treatment.
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Affiliation(s)
- Charles Y Kim
- Duke University Medical Center, Durham, North Carolina.
| | | | | | - Aaron R Braun
- St Elizabeth Regional Medical Center, Lincoln, Nebraska
| | - Brooks D Cash
- University of Texas Health Science Center at Houston and McGovern Medical School, Houston, Texas; American Gastroenterological Association
| | - Barry W Feig
- The University of Texas MD Anderson Cancer Center, Houston, Texas; American College of Surgeons
| | | | | | | | - Kristofer Schramm
- University of Colorado Denver Anschutz Medical Campus, Aurora, Colorado
| | | | | | - Eric J Hohenwalter
- Specialty Chair, Froedtert & The Medical College of Wisconsin, Milwaukee, Wisconsin
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10
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Li H, Ye D, Li P, Kong D. Endoscopic clipping prior to GVO vs. GVO in IGV1 bleeding: a multicenter retrospective clinical trial. Endosc Int Open 2019; 7:E1365-E1370. [PMID: 31673606 PMCID: PMC6805212 DOI: 10.1055/a-0902-4384] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2018] [Accepted: 02/14/2019] [Indexed: 12/19/2022] Open
Abstract
Background and study aims Bleeding from isolated gastric varices type I (IGV1) is more dangerous and fatal than other types of esophageal variceal hemorrhages. However, optimum treatment for bleeding from IGV1 remains undefined. This retrospective study compared the efficacy of endoscopic clipping prior to N-butyl-2-cyanoacrylate injection (GVO) and only GVO for treatment of IGV1. Patients and methods Data were collected retrospectively at three medical centers. Ninety-six patients were enrolled between March 2015 and April 2017 and divided into two groups: group I (patients with endoscopic clipping prior to GVO, n = 46) and group II (patients with only GVO, n = 50). Computed tomography angiography (CTA) was performed to evaluate the status of gastrorenal shunts (GRS). Results GRS was found in 59 of 66 patients (59/66). The groups did not differ in baseline characteristics. Initial hemostasis was successfully achieved in all patients. There was a significant difference in volume of N-butyl-2-cyanoacrylate administered (3.39 ± 1.20 mL in group I versus 2.53 ± 1.05 mL in group II ( P = 0.03). Rebleeding occurred in 4.35% of patients in group I and 18.00 % in group II ( P = 0.007). Variceal obliteration was achieved in all patients in group I and 72 % in group II ( P < 0.001) with only one session. Rate of complications was similar in both the groups with the exception of one patient in group II who developed ectopic cerebral embolism. Conclusions Endoscopic clipping prior to GVO may be an appropriate alternative to GVO as a treatment modality for IGV1 bleeding.
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Affiliation(s)
- Huixian Li
- Department of Gastroenterology, Anhui Geriatric Institute, The First Affiliated Hospital of Anhui Medical University, Anhui, China
| | - Dong Ye
- Department of Infectious Diseases, Infectious Diseases Hospital of Handan City, Hebei, China
| | - Ping Li
- Department of Gastroenterology, Ditan Hospital affiliated of Capital Medical University, Beijing, China
| | - Derun Kong
- Department of Gastroenterology, Anhui Geriatric Institute, The First Affiliated Hospital of Anhui Medical University, Anhui, China,Corresponding author Derun Kong, MD Department of GastroenterologyAnhui Geriatric InstituteFirst Affiliated Hospital of Anhui Medical UniversityJixi Road 218Hefei 230022China+86-551-63633742
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11
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Ahmed R, Kiyosue H, Maruno M, Matsumoto S, Mori H. Coexistence of "extra-gastric afferent-efferent direct connection" with gastric varices: CT evaluation and clinical significance. Abdom Radiol (NY) 2019; 44:2699-2707. [PMID: 31030246 DOI: 10.1007/s00261-019-02033-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
PURPOSE To evaluate the prevalence of extra-gastric direct connection between afferent and efferent veins of gastric varices (GVs) (i.e., EAEDC) and its clinical significance during balloon-occluded retrograde transvenous obliteration (BRTO). MATERIALS AND METHODS 57 patients who underwent BRTO for GVs obliteration were retrospectively enrolled in this study. Pre-procedural CT images were reviewed for the presence of EAEDC. Patients were categorized into group A (patients with EAEDC) and group B (Patients with no detectable EAEDC). Intraprocedural images were reviewed to see if EAEDCs could be seen and if additional techniques were used to preserve or occlude them. Post-procedural CT images were reviewed for GVs obliteration, portal/splenic vein thrombosis, EAEDC patency, and ascites exacerbation. Post-procedural esophageal varices aggravation was evaluated by upper endoscopy. RESULTS 39 EAEDCs were identified in CT images of 35 patients (i.e., group A = 61.4%). Among them, only 20 EAEDCs were visualized during BRTO. In the remaining 22 patients, EAEDC was not identified in CT images or during BRTO (i.e., group B = 38.6%). There was no statistically significant difference between group A and B regarding post-BRTO GVs obliteration and portal/splenic vein thrombosis. Use of additional techniques to preserve EAEDC patency had significantly reduced the incidence of ascites and esophageal varices exacerbation (p = 0.036 and 0.028, respectively). In patients with EAEDC diameter ≥ 5 mm, EAEDC preservation or obliteration by coils or balloon had significantly reduced the injected sclerosant volume (p = 0.003). CONCLUSION CT is very useful for EAEDC detection. EAEDC preservation may decrease the incidence of post-BRTO ascites and esophageal varices exacerbation.
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Affiliation(s)
- Ramy Ahmed
- Department of Radiology, Faculty of Medicine, Assuit University, Assuit, 71515, Egypt.
- Department of Radiology, Faculty of Medicine, Oita University, Oita, Japan.
| | - Hiro Kiyosue
- Department of Radiology, Faculty of Medicine, Oita University, Oita, Japan
| | - Miyuki Maruno
- Department of Radiology, Faculty of Medicine, Oita University, Oita, Japan
| | - Shunro Matsumoto
- Department of Radiology, Faculty of Medicine, Oita University, Oita, Japan
| | - Hiromu Mori
- Department of Radiology, Faculty of Medicine, Oita University, Oita, Japan
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Balloon-Assisted Percutaneous Transhepatic Antegrade Embolization with 2-Octyl Cyanoacrylate for the Treatment of Isolated Gastric Varices with Large Gastrorenal Shunts. BIOMED RESEARCH INTERNATIONAL 2019; 2019:2674758. [PMID: 31073523 PMCID: PMC6470428 DOI: 10.1155/2019/2674758] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Accepted: 02/21/2019] [Indexed: 12/12/2022]
Abstract
Aims To evaluate the safety and effectiveness of percutaneous transhepatic antegrade embolization (PTAE) with 2-octyl cyanoacrylate assisted with balloon occlusion of the left renal vein or gastrorenal shunts (GRSs) for the treatment of isolated gastric varices (IGVs) with large GRSs. Methods Thirty patients with IGVs associated with large GRSs who had underwent PTAE assisted with a balloon to block the opening of the GRS in the left renal vein were retrospectively evaluated and followed up. Clinical and laboratory data were collected to evaluate the technical success of the procedure, complications, changes in the liver function using Child-Pugh scores, worsening of the esophageal varices, the rebleeding rate, and survival. Laboratory data obtained before and after PTAE were compared (paired-sample t-test). Results PTAE was technically successful in all 30 patients. No serious complications were observed except for one nonsymptomatic pulmonary embolism. During a mean follow-up of 30 months, rebleeding was observed in 4/30 (13.3%) patients, worsening of esophageal varices was observed in 4/30 (13.3%) patients, and newly developed or aggravated ascites were observed on CT in 3/30 (10%) patients. Significant improvement was observed in Child-Pugh scores (p=0.009) and the international normalized ratio (INR) (p=0.004) at 3 months after PTAE. The cumulative survival rates at 1, 2, 3, and 5 years were 96.3%, 96.3%, 79.9%, and 79.9%, respectively. Conclusion Balloon-assisted PTAE with 2-octyl cyanoacrylate is technically feasible, safe, and effective for the treatment of IGV associated with a large GRS.
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Abstract
Bleeding from gastroesophageal varices is a serious complication in patients with liver cirrhosis and portal hypertension. Although there has been significance improvement in the prognosis of variceal bleeding with advancement in diagnostic and therapeutic modalities for its management, mortality rate still remains high. Therefore, appropriate prevention and rapid, effective management of bleeding from gastroesophageal varices is very important. Recently, various studies about management of gastoesophageal varices, including prevention of development and aggravation of varices, prevention of first variceal bleeding, management of acute variceal bleeding, and prevention of variceal rebleeding, have been published. The present article reviews published articles and practice guidelines to present the most optimal management of patients with gastroesophageal varices.
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Affiliation(s)
- Yeon Seok Seo
- Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
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15
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Abstract
肝硬化可以导致门静脉高压, 并通过形成侧支循环和自发性分流来降低门静脉压力, 其中以食管、胃静脉曲张及胃肾、脾肾分流最多见. 因为随机对照研究的缺乏, 规范化治疗胃底静脉曲张破裂出血的临床方案仍未能统一, 现最有效且常用的方法是内镜下组织胶黏合剂注射, 但对于合并自发性分流者可导致异位栓塞等严重并发症; 自发性分流道的存在也影响着胃底曲张静脉治疗方案的选择. 本文就近年来对自发性分流道的研究及其对胃底曲张静脉内镜治疗方案的选择及疗效作一简要综述.
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Sharma BC, Varakanahalli S, Singh JP, Srivastava S. Gastric Varices in Cirrhosis vs. Extrahepatic Portal Venous Obstruction and Response to Endoscopic N-butyl-2-cyanoacrylate Injection. J Clin Exp Hepatol 2017; 7:97-101. [PMID: 28663672 PMCID: PMC5478943 DOI: 10.1016/j.jceh.2016.09.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Accepted: 09/04/2016] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Gastric varices (GV) are found in patients with portal hypertension. Incidence of bleeding from GV is relatively low, but is severe, and associated with higher mortality. AIMS AND OBJECTIVES To compare the types of GV in cirrhosis vs. extrahepatic portal venous obstruction (EHPVO) and the results of endoscopic N-butyl-2-cyanoacrylate (NBC, glue) injection. METHODS Four hundred and fifty-four patients undergone glue injection of GV for primary prophylaxis or control of bleeding for first episode of bleeding from GV between August 2010 and August 2015 were analyzed. RESULTS Of 454 patients, 64% (n = 292) were cirrhotics and 36% (n = 162) had EHPVO. Types of GV were GOV1 in 16.4% (n = 48) of cirrhotics vs. 7.4% (n = 12) of EHPVO, GOV2 in 76.7% (n = 224) of cirrhotics vs. 53.1% (n = 86) of EHPVO, Isolated gastric Varices (IGV1) in 39.5% (n = 64) of patients with EHPVO vs. 6.8% (n = 20) cirrhotics. The patients were treated with NBC injections. The mean volume of glue injected was 2.89 ± 1.59 ml over a median of 1 session (range: 1-7). The total volume of glue required was lower in cirrhotics (2.44 ± 1.17 ml vs. 3.69 ± 1.91 ml, P < 0.05) than in EHPVO patients. One hundred and seventeen (40.1%) of cirrhotics required >1 sessions of glue injection as compared to 102 (63%) of EHPVO patients. Over mean follow up of 14.7 ± 6.46 months, rebleeding (10% vs. 13%) was similar in patients with cirrhosis and EHPVO and mortality (15.4% vs. 2.5%) was higher in cirrhotics than EHPVO. CONCLUSION In patients with bleeding from GV, GOV2 are more common in cirrhotics and IGV1 in patients with EHPVO. Patients with EHPVO required higher total volume of glue and more glue sessions for GV obturation.
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Affiliation(s)
- Barjesh C. Sharma
- Address for correspondence: Barjesh C. Sharma, Professor, Department of Gastroenterology, Room No. 203, Academic Block, GB Pant Hospital, New Delhi 110002, India. Fax: +91 1123219222.Department of Gastroenterology, Room No. 203, Academic Block, GB Pant HospitalNew Delhi110002India
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Mukund A, Deogaonkar G, Rajesh S, Shasthry SM, Sarin SK. Safety and Efficacy of Sodium Tetradecyl Sulfate and Lipiodol Foam in Balloon-Occluded Retrograde Transvenous Obliteration (BRTO) for Large Porto-Systemic Shunts. Cardiovasc Intervent Radiol 2017; 40:1010-1016. [PMID: 28180928 DOI: 10.1007/s00270-017-1593-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2016] [Accepted: 01/31/2017] [Indexed: 01/08/2023]
Abstract
OBJECTIVE To evaluate the safety and efficacy sodium tetradecyl sulfate and lipiodol foam (STS foam) in BRTO for large (caliber ≥15 mm) porto-systemic shunt and gastric fundal varices. MATERIALS AND METHODS It is a retrospective record-based study of patients who underwent BRTO using STS foam at the Institute of Liver and Biliary Sciences, New Delhi, for gastric variceal bleed or refractory hepatic encephalopathy (HE) who had large porto-systemic shunt (diameter ≥15 mm) with or without associated gastric varices. Clinical and laboratory parameters were evaluated before and after the procedure. All patients were followed for minimum of 12 months. RESULTS Records of 22 patients were analyzed. Technical success was achieved in 22 of 22 sessions. Complete obliteration of shunt with clinical improvement was seen in 20 of 22 cases. Patients with gastric varices had no residual gastric varices on follow-up endoscopy. There were significant reduction in CTP scores and improvement in HE grades following BRTO. Post-procedure complication was encountered in 6 patients (5 minor and 1 major), and 7 patients showed worsening of esophageal varices and underwent endoscopic variceal ligation. One patient had succumbed to septicemia at a follow-up of 34 months. CONCLUSION Our experience suggests STS foam is a safe and effective agent for patients with large shunt undergoing BRTO.
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Affiliation(s)
- Amar Mukund
- Department of Radiology, Institute of Liver and Biliary Sciences, D-1, Vasant Kunj, Off Abdul Gaffar Khan Marg, New Delhi, 110070, India
| | - Ganesh Deogaonkar
- Department of Radiology, Institute of Liver and Biliary Sciences, D-1, Vasant Kunj, Off Abdul Gaffar Khan Marg, New Delhi, 110070, India.
| | - S Rajesh
- Department of Radiology, Institute of Liver and Biliary Sciences, D-1, Vasant Kunj, Off Abdul Gaffar Khan Marg, New Delhi, 110070, India
| | - Saggerre Muralikrishna Shasthry
- Department of Hepatology, Institute of Liver and Biliary Sciences, D-1, Vasant Kunj, Off Abdul Gaffar Khan Marg, New Delhi, 110070, India
| | - Shiv Kumar Sarin
- Department of Hepatology, Institute of Liver and Biliary Sciences, D-1, Vasant Kunj, Off Abdul Gaffar Khan Marg, New Delhi, 110070, India
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Philips CA, Arora A, Shetty R, Kasana V. A Comprehensive Review of Portosystemic Collaterals in Cirrhosis: Historical Aspects, Anatomy, and Classifications. Int J Hepatol 2016; 2016:6170243. [PMID: 28074159 PMCID: PMC5198179 DOI: 10.1155/2016/6170243] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2016] [Revised: 11/01/2016] [Accepted: 11/17/2016] [Indexed: 02/07/2023] Open
Abstract
Portosystemic collateral formation in cirrhosis plays an important part in events that define the natural history in affected patients. A detailed understanding of collateral anatomy and hemodynamics in cirrhotics is essential to envisage diagnosis, management, and outcomes of portal hypertension. In this review, we provide detailed insights into the historical, anatomical, and hemodynamic aspects to portal hypertension and collateral pathways in cirrhosis with emphasis on the various classification systems.
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Affiliation(s)
- Cyriac Abby Philips
- Department of Hepatology and Transplant Medicine, Institute of Liver and Biliary Sciences, D-1, Vasant Kunj, New Delhi 110070, India
| | - Ankur Arora
- Department of Radiodiagnosis, Institute of Liver and Biliary Sciences, D-1, Vasant Kunj, New Delhi 110070, India
| | - Rajesh Shetty
- Department of Radiodiagnosis, Institute of Liver and Biliary Sciences, D-1, Vasant Kunj, New Delhi 110070, India
| | - Vivek Kasana
- Department of Radiodiagnosis, Institute of Liver and Biliary Sciences, D-1, Vasant Kunj, New Delhi 110070, India
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Kim T, Yang H, Lee CK, Kim GB. Vascular Plug Assisted Retrograde Transvenous Obliteration (PARTO) for Gastric Varix Bleeding Patients in the Emergent Clinical Setting. Yonsei Med J 2016; 57:973-9. [PMID: 27189294 PMCID: PMC4951477 DOI: 10.3349/ymj.2016.57.4.973] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2015] [Revised: 11/23/2015] [Accepted: 12/09/2015] [Indexed: 02/08/2023] Open
Abstract
PURPOSE To evaluate the technical feasibility and safety of vascular plug assisted retrograde transvenous obliteration (PARTO) for bleeding gastric varix performed in the emergent clinical setting and describe the mid-term clinical results. MATERIALS AND METHODS From April 2012 to January 2015, emergent PARTO was tried in total 9 patients presented with active gastric varix bleeding. After initial insufficient or failure of endoscopic approach, they underwent PARTO in the emergent clinical setting. Gelatin sponge embolization of both gastrorenal (GR) shunt and gastric varix was performed after retrograde transvenous placement of a vascular plug in GR shunt. Coil assisted RTO (CARTO) was performed in one patient who had challenging GR shunt anatomy for vascular plug placement. Additional embolic materials, such as microcoils and NBCA glue-lipiodol mixture, were required in three patients to enhance complete occlusion of GR shunt or obliteration of competitive collateral vessels. Clinical success was defined as no variceal rebleeding and disappearance of gastric varix. RESULTS All technical and clinical success-i.e., complete GR shunt occlusion and offending gastric varix embolization with immediate bleeding control-was achieved in all 9 patients. There was no procedure-related complication. All cases showed successful clinical outcome during mean follow up of 17 months (12-32 months), evidenced by imaging studies, endoscopy and clinical data. In 4 patients, mild worsening of esophageal varices or transient ascites was noted as portal hypertensive related change. CONCLUSION Emergent PARTO is technically feasible and safe, with acceptable mid-term clinical results, in treating active gastric varix bleeding.
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Affiliation(s)
- Taehwan Kim
- Department of Vascular and Interventional Radiology, NHIS Ilsan Hospital, Goyang, Korea.
| | - Heechul Yang
- Department of Vascular and Interventional Radiology, NHIS Ilsan Hospital, Goyang, Korea
| | - Chun Kyon Lee
- Department of Internal Medicine, NHIS Ilsan Hospital, Goyang, Korea
| | - Gun Bea Kim
- Department of Emergency Medicine, NHIS Ilsan Hospital, Goyang, Korea
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Park JK, Saab S, Kee ST, Busuttil RW, Kim HJ, Durazo F, Cho SK, Lee EW. Balloon-Occluded Retrograde Transvenous Obliteration (BRTO) for Treatment of Gastric Varices: Review and Meta-Analysis. Dig Dis Sci 2015; 60:1543-53. [PMID: 25519690 DOI: 10.1007/s10620-014-3485-8] [Citation(s) in RCA: 85] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2014] [Accepted: 12/07/2014] [Indexed: 02/07/2023]
Abstract
AIM To perform a systematic review and meta-analysis of the effectiveness and complications of BRTO for gastric varices. MATERIALS AND METHODS A systematic review was performed to identify relevant articles. Inclusion criteria were applied to select studies with at least ten patients with acute bleeding or at-risk gastric varices treated with BRTO. Meta-analysis with random effects model was performed to calculate data for immediate technical success, clinical success, and complications. RESULTS A total of 1,016 Patients from 24 studies met inclusion criteria. Technical success rate for BRTO was 96.4 % (95 % CI 93.7, 98.3 %; Q = 3,269.26, p < 0.01, I (2) = 99.39 %). Clinical success (defined as no recurrence or rebleed of gastric varices, or complete obliteration of varices on subsequent imaging) rate was 97.3 % (95 % CI 95.2, 98.8 %; Q = 3,105.91, p < 0.01, I (2) = 99.29 %). Major complication rate was 2.6 % (95 % CI 1.1, 4.6 %; Q = 3,348.98, p < 0.01, I (2) = 99.34 %). Esophageal variceal recurrence rate was 33.3 % (95 % CI 24.6, 42.6 %; Q = 7,291.75, p < 0.01, I (2) = 99.74 %). CONCLUSION BRTO is safe and efficacious for gastric varices, and current best evidence suggests that BRTO could be considered as therapy for patients with gastric varices.
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Epidemiology, diagnosis and early patient management of esophagogastric hemorrhage. Gastroenterol Clin North Am 2014; 43:765-82. [PMID: 25440924 DOI: 10.1016/j.gtc.2014.08.007] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Acute variceal bleeding (AVB) is a potentially life-threatening complication of cirrhosis and portal hypertension. Combination therapy with vasoactive drugs and endoscopic variceal ligation is the first-line treatment in the management of AVB after adequate hemodynamic resuscitation. Short-term antibiotic prophylaxis, early resuscitation, early use of lactulose for prevention of hepatic encephalopathy, targeting of conservative goals for blood transfusion, and application of early transjugular intrahepatic portosystemic shunts in patients with AVB have further improved the prognosis of AVB. This article discusses the epidemiology, diagnosis, and nonendoscopic management of AVB.
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Abstract
Gastric varices (GV) are present in one in 5 patients with portal hypertension and variceal bleeding. GV bleeds tend to be more severe with higher mortality. High index of suspicion, early detection and proper locational diagnosis are important. An algorithmic approach to the management of GV bleeding prevents rebleeds and improves survival. Vasoactive drugs should be started with in 30 minutes (door to needle time) and early endotherapy be done. Cyanoacrylate injection in experienced hands achieves hemostasis in >90% patients. A repeat session is sometimes needed for complete obturation of GV. Transjugular intrahepatic portosystemic shunt and balloon retrograde transvenous obliteration are effective rescue options. Secondary prophylaxis of GV bleeding is done with beta-blocker and endotherapy.
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Affiliation(s)
- Shiv K Sarin
- Department of Hepatology, Institute of Liver and Biliary Sciences, D1, Vasant Kunj, New Delhi 110010, India.
| | - Awinash Kumar
- Department of Hepatology, Institute of Liver and Biliary Sciences, D1, Vasant Kunj, New Delhi 110010, India
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Abstract
Bleeding from gastric varices is a major complication of portal hypertension. Although less common than bleeding associated with esophageal varices, gastric variceal bleeding has a higher mortality. From an endovascular perspective,transjugular intrahepatic portosystemic shunts (TIPS) to decompress the portal circulation and/or balloon-occluded retrograde transvenous obliteration (BRTO) are utilized to address bleeding gastric varices. Until recently, there was a clear medical cultural divide between the strategy of decompressing the portal circulation (TIPS creation, for example) and transvenous obliteration for the management of gastric varices. However, the practice of BRTO is gaining acceptance in the United States and its practice is spreading rapidly. Recently, the American College of Radiology has identified BRTO to be a viable alternative to TIPS in particular anatomical and clinical scenarios. However, the anatomical and clinical applications of BRTO were not defined beyond the conservative approach of resorting to BRTO in non-TIPS candidates. The article discusses the outcomes of BRTO and TIPS for the management of gastric varices individually or in combination. Definitions, endovascular technical concepts and contemporary vascular classifications of gastric variceal systems are described in order to help grasp the complexity of the hemodynamic pathology and hopefully help define the pathology better for future reporting and lay the ground for more defined stratification of patients not only based on comorbidity and hepatic reserve but on anatomy and hemodynamic classifications.
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Coil-Assisted Retrograde Transvenous Obliteration (CARTO) for the Treatment of Portal Hypertensive Variceal Bleeding: Preliminary Results. Clin Transl Gastroenterol 2014; 5:e61. [PMID: 25273155 PMCID: PMC4218931 DOI: 10.1038/ctg.2014.12] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2014] [Revised: 08/05/2014] [Accepted: 08/05/2014] [Indexed: 12/11/2022] Open
Abstract
OBJECTIVES: To describe the technical feasibility, safety, and clinical outcomes of coil-assisted retrograde transvenous obliteration (CARTO) in treating portal hypertensive non-esophageal variceal hemorrhage. METHODS: From October 2012 to December 2013, 20 patients who received CARTO for the treatment of portal hypertensive non-esophageal variceal bleeding were retrospectively evaluated. All 20 patients had at least 6-month follow-up. All patients had detachable coils placed to occlude the efferent shunt and retrograde gelfoam embolization to achieve complete thrombosis/obliteration of varices. Technical success, clinical success, rebleeding, and complications were evaluated at follow-up. RESULTS: A 100% technical success rate (defined as achieving complete occlusion of efferent shunt with complete thrombosis/obliteration of bleeding varices and/or stopping variceal bleeding) was demonstrated in all 20 patients. Clinical success rate (defined as no variceal rebleeding) was 100%. Follow-up computed tomography after CARTO demonstrated decrease in size with complete thrombosis and disappearance of the varices in all 20 patients. Thirteen out of the 20 had endoscopic confirmation of resolution of varices. Minor post-CARTO complications, including worsening of esophageal varices (not bleeding) and worsening of ascites/hydrothorax, were noted in 5 patients (25%). One patient passed away at 24 days after the CARTO due to systemic and portal venous thrombosis and multi-organ failure. Otherwise, no major complication was noted. No variceal rebleeding was noted in all 20 patients during mean follow-up of 384±154 days. CONCLUSIONS: CARTO appears to be a technically feasible and safe alternative to traditional balloon-occluded retrograde transvenous obliteration or transjugular intrahepatic portosystemic shunt, with excellent clinical outcomes in treating portal hypertensive non-esophageal variceal bleeding.
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Kariya S, Komemushi A, Nakatani M, Yoshida R, Kono Y, Shiraishi T, Tanigawa N. Portopulmonary venous anastomosis in balloon-occluded retrograde transvenous obliteration for the treatment of gastric varices. J Gastroenterol Hepatol 2014; 29:1522-7. [PMID: 24650189 DOI: 10.1111/jgh.12583] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/26/2014] [Indexed: 01/15/2023]
Abstract
BACKGROUND AND AIM Several reports have described portopulmonary venous anastomosis (PPVA). However, in balloon-occluded retrograde transvenous obliteration (BRTO), attention has not been paid to paradoxical embolism. The objective of this study was to investigate the existence of a right-left shunt due to PPVA when the drainage vein is occluded by a balloon during BRTO. METHODS The subjects were 19 patients who underwent BRTO. Whether PPVA was present was confirmed on balloon-occluded retrograde transvenous venography (BRTV). After BRTV, a retrograde bolus injection of 20 mL of carbon dioxide (CO2 ) via the balloon catheter was performed under balloon occlusion, and the flow of bubbles into both ventricles was observed with four-chamber view echocardiography. During the same balloon occlusion, bolus injection of CO2 into the inferior vena cava was performed, followed by echocardiography. RESULTS PPVA was confirmed on BRTV in four patients (21.1%). On echocardiography with retrograde CO2 injection, bubbles were confirmed in the left ventricle in six patients (31.6%). On echocardiography with CO2 injection into the inferior vena cava, bubbles were not confirmed in the left ventricle in any cases. CONCLUSIONS When the draining vein was occluded with a balloon and blood flow in a gastrorenal or gastrocaval shunt was stopped during BRTO, PPVA was confirmed in 21.1% of cases on retrograde angiography, and a right-left shunt was confirmed in 31.6% of cases on echocardiography.
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Affiliation(s)
- Shuji Kariya
- Department of Radiology, Kansai Medical University, Hirakata, Osaka, Japan
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Rajoriya N, Tripathi D. Historical overview and review of current day treatment in the management of acute variceal haemorrhage. World J Gastroenterol 2014; 20:6481-94. [PMID: 24914369 PMCID: PMC4047333 DOI: 10.3748/wjg.v20.i21.6481] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2013] [Revised: 01/14/2014] [Accepted: 04/02/2014] [Indexed: 02/06/2023] Open
Abstract
Variceal haemorrhage is one of the most devastating consequences of portal hypertension, with a 1-year mortality of 40%. With the passage of time, acute management strategies have developed with improved survival. The major historical treatment landmarks in the management of variceal haemorrhage can be divided into surgical, medical, endoscopic and radiological breakthroughs. We sought to provide a historical overview of the management of variceal haemorrhage and how treatment modalities over time have impacted on clinical outcomes. A PubMed search of the following terms: portal hypertension, variceal haemorrhage, gastric varices, oesophageal varices, transjugular intrahepatic portosystemic shunt was performed. To complement this, Google™ was searched with the aforementioned terms. Other relevant references were identified after review of the reference lists of articles. The review of therapeutic advances was conducted divided into pre-1970s, 1970/80s, 1990s, 2000-2010 and post-2010. Also, a summary and review on the pathophysiology of portal hypertension and clinical outcomes in variceal haemorrhage was performed. Aided by the development of endoscopic therapies, medication and improved radiological interventions; the management of variceal haemorrhage has changed over recent decades with improved survival from an often-terminating event in recent past.
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Emori K, Toyonaga A, Oho K, Kumamoto M, Haruta T, Inoue H, Morita Y, Mitsuyama K, Tsuruta O, Sata M. Balloon-occluded retrograde transvenous obliteration versus endoscopic injection sclerotherapy for isolated gastric varices: a comparative study. Kurume Med J 2014; 60:105-13. [PMID: 24858411 DOI: 10.2739/kurumemedj.ms63009] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Isolated gastric varices (IGV) have a lower risk of bleeding than esophageal varices, however IGV bleeding is associated with a higher mortality than bleeding of esophageal varices. In recent years, two widely used treatments for IGV have been balloon-occluded retrograde transvenous obliteration (B-RTO) and endoscopic injection sclerotherapy (EIS) using cyanoacrylate or ethanolamine oleate (EO). This study compared these two treatment methods for IGV. The subjects were 112 patients who were treated at our hospital for IGV bleeding between October 1990 and December 2003. Forty-nine (49) patients were treated with B-RTO and 63 patients with EIS. These two patient groups were compared as regards content of treatment, post-treatment incidence of variceal bleeding, incidence of IGV rebleeding, survival rate, cause of death, and complications. Multivariate analysis was performed on post-treatment variceal bleeding and survival. Although EO was used in higher amounts in the B-RTO group than in the EIS group, the B-RTO group had a significantly lower number of treatment sessions and a significantly shorter treatment period (p<0.05). The EIS group had significantly more patients with IGV rebleeding after treatment than the B-RTO group. Treatment method was the only independent prognostic factor of IGV bleeding after treatment (p=0.024). The two groups did not differ significantly in the percentage of patients with aggravated esophageal varices after treatment. Bleeding from ectopic varices was not observed in any patient. There was no significant difference in survival by treatment method. The presence of hepatocellular carcinoma was the only independent prognostic factor for survival (p=0.003). It is concluded that B-RTO was more effective than EIS in the eradication of IGV and prevention of IGV recurrence and rebleeding.
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Affiliation(s)
- Keigo Emori
- Department of Medicine, Kurume University School of Medicine
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Naeshiro N, Aikata H, Kakizawa H, Hyogo H, Kan H, Fujino H, Kobayashi T, Fukuhara T, Honda Y, Ohno A, Miyaki D, Kawaoka T, Tsuge M, Hiraga N, Hiramatsu A, Imamura M, Kawakami Y, Takahashi S, Awai K, Chayama K. Long-term outcome of patients with gastric varices treated by balloon-occluded retrograde transvenous obliteration. J Gastroenterol Hepatol 2014; 29:1035-42. [PMID: 24372807 DOI: 10.1111/jgh.12508] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/03/2013] [Indexed: 12/14/2022]
Abstract
BACKGROUND AND AIM To assess the short- and long-term outcome of patients with gastric varices (GV) after balloon-occluded retrograde transvenous obliteration (B-RTO) by comparing bleeding cases with prophylactic cases. METHODS Consecutive 100 patients with GV treated by B-RTO were enrolled in this retrospective cohort study. We compared the technical success, complications, and survival rates between bleeding and prophylactic cases. RESULTS Of 100 patients, 61 patients were bleeding cases and 39 patients were prophylactic cases. Technical success was achieved in 95% of bleeding case and in 100% of prophylactic case, with no significant difference between these groups (overall technical success rate, 97%). The survival rates at 5 and 10 years were 50% and 22% in bleeding case, and 49% and 36% in prophylactic case, respectively. There was also no significant difference (P = 0.420). By multivariate analysis, survival rates correlated significantly with liver function (hazard ratio 2.371, 95% CI 1.457-3.860, P = 0.001) and hepatocellular carcinoma development (HR 4.782, 95% CI 2.331-9.810, P < 0.001). The aggravating rates of esophageal varices (EV) were 21%, 50%, and 54% at 12, 60, and 120 months after B-RTO. By multivariate analysis, aggravating rates significantly correlated with EV existing before B-RTO (HR 18.114, 95% CI 2.463-133.219, P = 0.004). CONCLUSION B-RTO for GV could provide the high rate of complete obliteration and favorable long-term prognosis even in bleeding cases as well as prophylactic cases. Management of EV after B-RTO, especially in coexisting case of GV and EV, would be warranted.
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Affiliation(s)
- Noriaki Naeshiro
- Department of Gastroenterology and Metabolism, Hiroshima University Hospital
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Saad WEA. Vascular anatomy and the morphologic and hemodynamic classifications of gastric varices and spontaneous portosystemic shunts relevant to the BRTO procedure. Tech Vasc Interv Radiol 2014; 16:60-100. [PMID: 23830670 DOI: 10.1053/j.tvir.2013.02.002] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The pathologic anatomy and hemodynamics of the left-sided portal circulation that is associated with gastric varices (GVs) are complex and highly variable. Understanding the pathologic anatomy and hemodynamics associated with GVs is important for clinical management decisions and for the technical descriptive details of the balloon-occluded retrograde transvenous obliteration (BRTO) and balloon-occluded antegrade transvenous obliteration procedures. A reflection of the considerable variability in anatomy, pathology, and hemodynamics is the numerous descriptive and categorical classifications that have been described in the past 2 decades. This article reviews the detailed descriptive gross anatomy, radiographic anatomy, and portosystemic venous hemodynamics that are associated with GVs and that can be encountered during the BRTO or balloon-occluded antegrade transvenous obliteration procedure(s) or both. Definitions are also set to clarify this detailed anatomy that received limited description in the prior literature. Moreover, all the classifications that have been described (to the best of the author's knowledge) that are relevant to the BRTO procedure are detailed in the article.
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Affiliation(s)
- Wael E A Saad
- Division of Vascular and Interventional Radiology, Department of Radiology, University of Virginia Health System, Charlottesville, VA 22908, USA.
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Kakutani H, Sanada J, Nakayama D, Moriyasu F. Catheter-retaining Balloon-occluded Retrograde Transvenous Obliteration for Gastric Varices. J NIPPON MED SCH 2014; 81:298-304. [DOI: 10.1272/jnms.81.298] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Hiroshi Kakutani
- Department of Hepatology and Gastroenterology, Tokyo Medical University
| | - Jun Sanada
- Department of Hepatology and Gastroenterology, Tokyo Medical University
| | - Daiju Nakayama
- Department of Hepatology and Gastroenterology, Tokyo Medical University
| | - Fuminori Moriyasu
- Department of Hepatology and Gastroenterology, Tokyo Medical University
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Balloon-occluded retrograde transvenous obliteration of gastric varices. Cardiovasc Intervent Radiol 2013; 37:299-315. [PMID: 24091750 DOI: 10.1007/s00270-013-0715-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2011] [Accepted: 06/28/2013] [Indexed: 02/07/2023]
Abstract
Balloon-occluded retrograde transvenous obliteration (BRTO) of gastric varices is an image-guided transcatheter procedure used to treat gastric varices with sclerosants rather than decompression of the portal venous system. The history of its development, relevant portal venous, and systemic venous anatomic considerations, techniques, indications, and early results will be reviewed. In addition, the status of the practice of BRTO in the United States will be discussed.
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Protective value of TIPS against the development of hydrothorax/ascites and upper gastrointestinal bleeding after balloon-occluded retrograde transvenous obliteration (BRTO). Am J Gastroenterol 2013; 108:1612-9. [PMID: 23939627 DOI: 10.1038/ajg.2013.232] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2013] [Accepted: 05/31/2013] [Indexed: 02/07/2023]
Abstract
OBJECTIVES The objective of this study was to evaluate the incidence of post-balloon-occluded retrograde transvenous obliteration (BRTO) ascites/hepatic hydrothorax and rebleeding rate (variceal and non-variceal) in the presence and absence of a transjugular intrahepatic portosystemic shunt (TIPS). METHODS A retrospective audit of consecutive patients undergoing BRTO was performed (August 2007-October 2010). The population was divided into two groups: patients who underwent BRTO only (BRTO-only group) and those who underwent BRTO in the presence of TIPS (BRTO+TIPS group). Post-BRTO rebleeding was categorized for the source of bleeding. Ascites and/or hepatic hydrothorax were categorized according to clinical severity. Comparisons, utilizing the Kaplan-Meier method, between both groups were made for patient survival, incidence of ascites/hydrothorax, and rebleeding. RESULTS Thirty-nine patients underwent BRTO (three technical failures of BRTO-only group). Of the 36 technically successful BRTO procedures, 27 patients (75%) underwent BRTO-only and 9 patients (25%) underwent BRTO in the presence of a TIPS. Pre-BRTO ascites/hydrothorax resolved in BRTO-only vs. BRTO+TIPS in 7% (N=2/27) and 56% (N=5/9), respectively (P=0.006). The ascites/hydrothorax free rate at 6, 12, and 24 months after BRTO for BRTO-only vs. BRTO+TIPS was 58%, 43%, 29%, and 100%, 100%, 100%, respectively (P=0.01). Recurrent hemorrhage for BRTO-only vs. BRTO+TIPS groups, and for the same time periods was 9%, 9%, 21% vs. 0%, 0%, 0%, respectively (P=0.03). The 1-year patient survival of both groups (80-88%) was similar (P>0.05). CONCLUSIONS This study concludes that the presence of TIPS has a protective value against the development of post-BRTO ascites/hydrothorax as well as recurrent hemorrhage but this does not translate to improved patient survival.
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Park EJ, Jang JY, Lee JE, Jeong SW, Lee SH, Kim SG, Cha SW, Kim YS, Cho YD, Cho JY, Kim HS, Kim BS, Kim YJ. The risk factors for bleeding of fundal varices in patients with liver cirrhosis. Gut Liver 2013; 7:704-11. [PMID: 24312712 PMCID: PMC3848544 DOI: 10.5009/gnl.2013.7.6.704] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2012] [Revised: 01/26/2013] [Accepted: 03/21/2013] [Indexed: 12/15/2022] Open
Abstract
Background/Aims The relationship between portal hemodynamics and fundal varices has not been well documented. The purpose of this study was to understand the pathophysiology of fundal varices and to investigate bleeding risk factors related to the presence of spontaneous portosystemic shunts, and to examine the hepatic venous pressure gradient (HVPG) between fundal varices and other varices. Methods In total, 85 patients with cirrhosis who underwent HVPG and gastroscopic examination between July 2009 and March 2011 were included in this study. The interrelationship between HVPG and the types of varices or the presence of spontaneous portosystemic shunts was studied. Results There was no significant difference in the HVPG between fundal varices (n=12) and esophageal varices and gastroesophageal varices type 1 (GOV1) groups (n=73) (17.1±7.7 mm Hg vs 19.7±5.3 mm Hg). Additionally, there was no significant difference in the HVPG between varices with spontaneous portosystemic shunts (n=28) and varices without these shunts (n=57) (18.3±5.8 mm Hg vs 17.0±8.1 mm Hg). Spontaneous portosystemic shunts increased in fundal varices compared with esophageal varices and GOV1 (8/12 patients [66.7%] vs 20/73 patients [27.4%]; p=0.016). Conclusions Fundal varices had a high prevalence of spontaneous portosystemic shunts compared with other varices. However, the portal pressure in fundal varices was not different from the pressure in esophageal varices and GOV1.
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Affiliation(s)
- Eui Ju Park
- Institution for Digestive Research, Digestive Disease Center, Department of Internal Medicine, Seoul, Korea
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Gwon DI, Ko GY, Yoon HK, Sung KB, Kim JH, Shin JH, Ko HK, Song HY. Gastric Varices and Hepatic Encephalopathy: Treatment with Vascular Plug and Gelatin Sponge–assisted Retrograde Transvenous Obliteration—A Primary Report. Radiology 2013; 268:281-287. [DOI: 10.1148/radiol.13122102] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023]
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35
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Agrawal S, Dhiman RK. Hepatobiliary quiz-6 (2013). J Clin Exp Hepatol 2013; 3:171-6. [PMID: 25755495 PMCID: PMC3940316 DOI: 10.1016/j.jceh.2013.05.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Affiliation(s)
| | - Radha K. Dhiman
- Address for correspondence. Radha K. Dhiman, Department of Hepatology, Postgraduate Institute of Medical Education and Research, Chandigarh 160012, India.
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Saad WE, Wagner C(C, Al-Osaimi A, Bliebel W, Lippert A, Davies MG, Sabri SS, Turba UC, Matsumoto AH, Angle J(F, Caldwell S. The Effect of Balloon-Occluded Transvenous Obliteration of Gastric Varices and Gastrorenal Shunts on the Hepatic Synthetic Function. Vasc Endovascular Surg 2013; 47:281-7. [DOI: 10.1177/1538574413485646] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Purpose: To evaluate the effect of balloon-occluded transvenous obliteration (BRTO) on the model for end-stage liver disease (MELD) and the Child-Pugh (C-P) score and their individual components. Methods: A retrospective review of patients undergoing only BRTO without transjugular intrahepatic portosystemic shunt was performed (08, 2007 to 06, 2010). Pre- and post-BRTO MELD and C-P scores were calculated. The post-BRTO MELD and C-P score samplings were categorized as (1) immediate (within 14 days), (2) early (14-90 days), and (3) delayed (90-180 days) post-BRTO. The C-P and MELD scores and their individual components before and after (various sample intervals) were compared. Results: A total of 29 consecutive successful BRTO procedures were found and assessed. In all, 26 had immediate post-BRTO sampling (average 1.8 days after BRTO), 13 (57%) had an early post-BRTO sampling (average 47 days from BRTO), and 10 (38%) had a delayed post-BRTO sampling (average 121 days from BRTO). The bilirubin rises significantly ( P = .007) within days after BRTO, but synthetic function improves significantly between 1.5 and 4.0 months post-BRTO (international normalized ration: P = .02, bilirubin: P = .027, and albumin: P = .012). However, 31% (N = 8/ 26) of the patients had worsening ascites with or without hydrothorax. The MELD score significantly improved circa 4 months post-BRTO (from 14.1 to 10.7, P = .0008). However, the C-P score did not change significantly (from 7.6 to 6.7, P = .063). Conclusion: The BRTO has a positive effect on the hepatic synthetic function. However, there is a high incidence of post-BRTO ascites (31% of the patients). As a result, the MELD score appears to be a more sensitive gauge for hepatic synthetic function compared to the C-P score for patients undergoing BRTO.
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Affiliation(s)
- Wael E.A. Saad
- Division of Vascular Interventional Radiology, Department of Radiology & Medical Imaging, University of Virginia Health System, Charlottesville, VA, USA
| | | | - Abdulla Al-Osaimi
- Division of Gastroenterology, Department of Medicine, University of Virginia Health System, Charlottesville, VA, USA
| | - Wissam Bliebel
- Division of Gastroenterology, Department of Medicine, University of Virginia Health System, Charlottesville, VA, USA
| | - Allison Lippert
- Division of Vascular Interventional Radiology, Department of Radiology & Medical Imaging, University of Virginia Health System, Charlottesville, VA, USA
| | - Mark G. Davies
- Division of Vascular Interventional Radiology, Department of Radiology & Medical Imaging, University of Virginia Health System, Charlottesville, VA, USA
| | - Saher S. Sabri
- Division of Vascular Interventional Radiology, Department of Radiology & Medical Imaging, University of Virginia Health System, Charlottesville, VA, USA
| | - Ulku C. Turba
- Division of Vascular Interventional Radiology, Department of Radiology & Medical Imaging, University of Virginia Health System, Charlottesville, VA, USA
| | - Alan H. Matsumoto
- Division of Vascular Interventional Radiology, Department of Radiology & Medical Imaging, University of Virginia Health System, Charlottesville, VA, USA
| | - John (Fritz) Angle
- Division of Vascular Interventional Radiology, Department of Radiology & Medical Imaging, University of Virginia Health System, Charlottesville, VA, USA
| | - Stephen Caldwell
- Division of Vascular Interventional Radiology, Department of Radiology & Medical Imaging, University of Virginia Health System, Charlottesville, VA, USA
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Sharma BC, Banka AK, Rawat A, Srivastava S. Gastric Varices in Cirrhosis versus Extrahepatic Portal Venous Obstruction and Response to Endoscopic N-Butyl-2-cyanoacrylate Injection. J Clin Exp Hepatol 2013; 3:19-23. [PMID: 25755467 PMCID: PMC3940531 DOI: 10.1016/j.jceh.2013.01.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2012] [Accepted: 01/15/2013] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Gastric varices are found in patients with portal hypertension. Incidence of bleeding from gastric varices is relatively low, but tends to be more severe, and is associated with higher mortality than esophageal variceal bleeding. AIMS AND OBJECTIVES To compare the prevalence and types of gastric varices in cirrhosis versus extrahepatic portal venous obstruction (EHPVO) and the results of endoscopic N-butyl-2-cyanoacrylate (NBC, glue) injection. METHODS Eighty six patients presenting with bleeding from gastric varices between August 2010 and August 2011 were retrospectively analyzed. RESULTS Of 86 patients, 65% (n = 56) were cirrhotics and 35% (n = 30) had EHPVO. Distribution of types of gastric varices showed GOV1 in 14% (n = 8) of cirrhotics vs. 7% (n = 2) of EHPVO, GOV2 in 80% (n = 45) of cirrhotics vs. 53% (n = 16) of EHPVO, IGV1 in 40% (n = 12) of patients with EHPVO vs. 4% (n = 2) cirrhotics. The patients were treated with NBC injections. The mean volume of glue injected was 3.7 ± 2.58 ml over a median of 1 session (range: 1-8). The total volume of glue required was lower in cirrhotics (3.2 ± 2 ml vs. 4.7 ± 3.1 ml, p < 0.05) than in EHPVO patients. Twenty (36%) of cirrhotics required >1 sessions of glue injection as compared to 17 (57%) of EHPVO patients. Over mean follow up of 12 months, rebleeding (9% vs. 10%) and mortality (11% vs. 3%) were similar in patients with cirrhosis and EHPVO. CONCLUSIONS In patients with bleeding from gastric varices, GOV2 is more common in cirrhotics and IGV1 in patients with EHPVO. Patients with EHPVO required higher total volume of glue and more glue sessions for gastric varix obturation.
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Key Words
- EHPVO, extrahepatic portal venous obstruction
- EVL, endoscopic variceal ligation
- GOV, gastroesophageal varices
- GV, gastric varices
- GVH, gastric variceal hemorrhage
- IGV, isolated gastric varices
- NBC, N-butyl-2-cyanoacrylate
- PHT, portal hypertension
- SPSS, Statistical Package for Social Sciences
- TIPS, transjugular intrahepatic portosystemic shunt
- endoscopic variceal ligation
- extrahepatic portal venous obstruction
- gastroesophageal varices
- isolated gastric varix
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Affiliation(s)
- Barjesh C. Sharma
- Address for correspondence. Barjesh C. Sharma, Professor, Department of Gastroenterology, Room 203, Academic Block, GB Pant Hospital, JL Nehru Marg, New Delhi 110002, India. Tel.: +91 (0) 9718599203 (mobile); fax: +91 11 23219222.
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Saad WEA, Nicholson D, Koizumi J. Inventory used for balloon-occluded retrograde (BRTO) and antegrade (BATO) transvenous obliteration: sclerosants and balloon occlusion devices. Tech Vasc Interv Radiol 2013; 15:226-40. [PMID: 23021833 DOI: 10.1053/j.tvir.2012.07.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The inventory used for the balloon-occluded retrograde transvenous obliteration (BRTO) and balloon-occluded antegrade transvenous obliteration procedures includes coaxial introducer sheath, catheters, balloon occlusion catheters, possibly microcatheters, possibly coils and preeminent vascular occlusion devices, and sclerosant mixtures. The inventory can be collectively categorized into "hardware" (sheaths, catheters, balloon occlusion devices, and alloy embolic agents) and sclerosant mixtures (contrast and sclerosing agents). The hardware inventory used in Japan is different from that used in the United States. Moreover, the inventory used in Japan is commonly specifically (purpose-built) designed for the BRTO procedure. Conversely, the hardware inventory used in the United States is a "generic" (multipurpose), which operators use for multiple other anatomical and clinical settings. Using different inventories that are not purposefully designed together requires multiple trials and errors to reach size and length compatibility. From a sclerosant standpoint, there is an ongoing paradigm shift toward foam-state sclerosant mixture in Japan and the United States (as of 2006). This article discusses the inventory used for BRTO and balloon-occluded antegrade transvenous obliteration in Japan and the United States and focuses on the inventory (including compatibility of inventory) that has worked and has become popularly used in the United States. The article also discusses the sclerosant mixture components, types and states (foam, froth, or liquid).
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Affiliation(s)
- Wael E A Saad
- Division of Vascular Interventional Radiology, Department of Radiology, University of Virginia Health System, Charlottesville, VA 22908, USA.
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Wang HY, Chen MJ, Lin CC, Chen CJ, Liu CY, Wang TE, Sun FJ, Lin SC, Shih SC. Gastric Variceal Bleeding in the Elderly. INT J GERONTOL 2012. [DOI: 10.1016/j.ijge.2012.01.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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40
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Endoscopic color Doppler ultrasonography for esophagogastric varices. DIAGNOSTIC AND THERAPEUTIC ENDOSCOPY 2012; 2012:859213. [PMID: 23213271 PMCID: PMC3507078 DOI: 10.1155/2012/859213] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2012] [Revised: 10/05/2012] [Accepted: 10/20/2012] [Indexed: 02/06/2023]
Abstract
Esophagogastric varices are considered to be the most common complication in patients with portal hypertension. Endoscopic ultrasonography not only visualizes the surface of the varices but also provides detailed information about their internal structure. The direction of blood flow can be determined and its velocity measured only via endoscopic color Doppler ultrasonography (ECDUS). This can show graphically esophageal varices, paraesophageal veins, and passageways in esophageal variceal patients and gastric varices, perigastric collateral veins in gastric variceal patients. It is important to evaluate the hemodynamics of the portal venous system when treating the esophago-gastric varices. ECDUS is a useful modality for the evaluation of the detailed hemodynamics and the therapeutic effects of esophago-gastric varices.
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Rao AS, Misra S, Buttar NS, Baron TH, Wong Kee Song LM. Combined endoscopic-interventional radiologic approach for the treatment of bleeding gastric varices in the setting of a large splenorenal shunt. Gastrointest Endosc 2012; 76:1064-5. [PMID: 22260886 DOI: 10.1016/j.gie.2011.10.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2011] [Accepted: 10/10/2011] [Indexed: 02/08/2023]
Affiliation(s)
- Archana S Rao
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
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Saad WEA, Nicholson D, Lippert A, Wagner CC, Turba CU, Sabri SS, Davies MG, Matsumoto AH, Angle JF. Balloon-occlusion catheter rupture during balloon-occluded retrograde transvenous obliteration of gastric varices utilizing sodium tetradecyl sulfate: incidence and consequences. Vasc Endovascular Surg 2012; 46:664-70. [PMID: 23064824 DOI: 10.1177/1538574412460769] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Balloon-occluded retrograde transvenous obliteration (BRTO) is an established procedure for the management of bleeding gastric varices in Asia. Invariably, the sclerosant utilized in Asia is ethanolamine oleate and the inventory used (vascular sheaths, balloon-occlusion catheters, and microcatheters) is not available outside Asia. A total of 41 BRTO procedures were performed with a technical and obliterative (gastric varix obliteration) success rate of 95% (n = 39 of 41) and 85% (n = 35 of 41), respectively. Complications were 4.9% (n = 2/41). A total of 6 balloon ruptures occurred (14.6%, n = 6 of 41). One rupture (16.7%, n = 1 of 6 of ruptures) lead to a technical failure and 2 ruptures (33.3%, n = 2 of 6 of ruptures) lead to an obliterative failure. Balloon rupture contributed to 50% of technical failures (n = 1/2, P = .274) and 33% of obliteration failures (n = 2/6, P = .148). In conclusion, the incidence of balloon-occlusion catheter rupture utilizing 3% sodium tetradecyl sulfate (STS) and inventory unique to the United States is significantly higher than in Asia (<8% rupture rate). However, these ruptures have no significant technical or clinical consequences.
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Affiliation(s)
- Wael E A Saad
- Department of Radiology and Medical Imaging, University of Virginia Health System, Charlottesville, VA, USA.
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Rupture of jejunal varices treated with balloon-occluded retrograde transvenous obliteration. Jpn J Radiol 2012; 31:61-4. [DOI: 10.1007/s11604-012-0139-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2012] [Accepted: 09/18/2012] [Indexed: 12/16/2022]
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Saad WEA, Sabri SS. Balloon-occluded Retrograde Transvenous Obliteration (BRTO): Technical Results and Outcomes. Semin Intervent Radiol 2012; 28:333-8. [PMID: 22942551 DOI: 10.1055/s-0031-1284460] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Variceal bleeding is one of the major complications of portal hypertension. Gastric variceal (GV) bleeding is less common than esophageal variceal (EV) bleeding, however, is associated with a high morbidity and mortality. Balloon-occluded retrograde transvenous obliteration (BRTO) is an established procedure for the management of gastric varices in Japan and has shown promising results in the past decade. The technical success rate, intent-to-treat (including technically failed BRTO-procedures) obliteration rate, and the obliteration rate of gastric varices of technically successful BRTO procedures was 91% (79-100%), 86% (73-100%), and 94% (75-100), respectively. BRTO is successful in controlling active gastric variceal bleeding in 95% of cases (91-100%) and in significantly reducing or resolving encephalopathy in 100% of cases. However, BRTO diverts blood into the portal circulation and increases the portal hypertension, thus aggravating esophageal varices with their potential for bleeding. The 1-, 2-, and 3-year esophageal variceal aggravation rates are 27-35%, 45-66%, and 45-91%, respectively. The gastric variceal rebleed rate of successful BRTO procedures, the intent-to-treat gastric variceal rebleed rate, and the global (all types of varices) variceal rebleed rate are 3.2-8.7%, 10-20%, and 19-31%, respectively. However, the advantage of diverting blood into the portal circulation and potentially toward the liver is improved hepatic function and possible patient survival. Unfortunately, the improved hepatic function is transient (for 6-12 months); however, it is preserved in the long-term (1-3 years). Patient 1-, 2-, 3-, and 5-year survival rates are 83-98%, 76-79%, 66-85%, and 39-69%, respectively. Patient survival is determined by baseline hepatic reserve and the presence of hepatocellular carcinoma.
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Affiliation(s)
- Wael E A Saad
- Division of Vascular Interventional Radiology, Department of Radiology, University of Virginia Health System, Charlottesville, Virginia
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Al-Osaimi AMS, Caldwell SH. Medical and endoscopic management of gastric varices. Semin Intervent Radiol 2012; 28:273-82. [PMID: 22942544 DOI: 10.1055/s-0031-1284453] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
In the past 20 years, our understanding of the pathophysiology and management options among patients with gastric varices (GV) has changed significantly. GV are the most common cause of upper gastrointestinal bleeding in patients with portal hypertension after esophageal varices (EV) and generally have more severe bleeding than EV. In the United States, the majority of GV patients have underlying portal hypertension rather than splenic vein thrombosis. The widely used classifications are the Sarin Endoscopic Classification and the Japanese Vascular Classifications. The former is based on the endoscopic appearance and location of the varices, while the Japanese classification is based on the underlying vascular anatomy. In this article, the authors address the current concepts of classification, epidemiology, pathophysiology, and emerging management options of gastric varices. They describe the stepwise approach to patients with gastric varices, including the different available modalities, and the pearls, pitfalls, and stop-gap measures useful in managing patients with gastric variceal bleed.
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Affiliation(s)
- Abdullah M S Al-Osaimi
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Virginia Health System, Charlottesville, Virginia
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Saad WEA, Darcy MD. Transjugular Intrahepatic Portosystemic Shunt (TIPS) versus Balloon-occluded Retrograde Transvenous Obliteration (BRTO) for the Management of Gastric Varices. Semin Intervent Radiol 2012; 28:339-49. [PMID: 22942552 DOI: 10.1055/s-0031-1284461] [Citation(s) in RCA: 82] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Variceal bleeding is one of the major complications of portal hypertension. Gastric variceal bleeding is less common than esophageal variceal bleeding; however, it is associated with a high morbidity and mortality rate and its management is largely uncharted due to a relatively less-established literature. In the West (United States and Europe), the primary school of management is to decompress the portal circulation utilizing the transjugular intrahepatic portosystemic shunt (TIPS). In the East (Japan and South Korea), the primary school of management is to address the gastric varices (GVs) specifically by sclerosing them utilizing the balloon-occluded retrograde transvenous obliteration (BRTO) procedure. The concept (1970s), evolution, and development (1980s-1990s) of both procedures run parallel to one another; neither is newer than the other is. The difference is that one was adopted mostly by the East (BRTO), while the other has been adopted mostly by the West (TIPS). TIPS is effective in emergently controlling bleeding for GVs even though the commonly referenced studies about managing GVs with TIPS are studies with TIPS created by bare stents. However, the results have improved with the use of stent grafts for creating TIPS. Nevertheless, TIPS cannot be tolerated by patients with poor hepatic reserve. BRTO is equally effective in controlling bleeding GVs as well as significantly reducing the GV rebleed rate. But the resultant diversion of blood flow into the portal circulation, and in turn the liver, increases the risk of developing esophageal varices and ectopic varices with their potential to bleed. Unlike TIPS, the blood diversion that occurs after BRTO improves, if not preserves, hepatic function for 6-9 months post-BRTO. The authors discuss the detailed results and critique the literature, which has evaluated and remarked on both procedures. Future research prospects and speculation as to the ideal patients for each procedure are discussed.
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Efficacy of balloon-occluded retrograde transvenous obliteration of large spontaneous lienorenal shunt in patients with severe recurrent hepatic encephalopathy with foam sclerotherapy: initial experience. J Vasc Interv Radiol 2012; 23:1200-6. [PMID: 22832139 DOI: 10.1016/j.jvir.2012.05.046] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2012] [Revised: 05/11/2012] [Accepted: 05/14/2012] [Indexed: 01/27/2023] Open
Abstract
PURPOSE Balloon-occluded retrograde transvenous obliteration (BRTO) is a widely accepted treatment for gastric varices, but data are limited in regard to its role in the management of hepatic encephalopathy (HE). This study evaluated the efficacy of BRTO with foam sclerotherapy in the management of HE arising as a result of spontaneous large portosystemic shunts. MATERIALS AND METHODS Eight sessions of BRTO with sodium tetradecyl sulfate foam were performed in seven patients with cirrhosis complicated by HE. All patients had portosystemic communication (ie, gastro-/lienorenal shunt) on preprocedure computed tomography. Clinical and laboratory parameters including arterial ammonia level were evaluated in all patients before and after the procedure. RESULTS Technical success rates were 86% (six of seven) for the first BRTO session and 100% (one of one) for the second. Follow-up imaging revealed complete obliteration of the varices in five of seven patients (71%) and partial obliteration in the remaining two. Immediate clinical improvement of HE was observed in six of seven patients (86%), with postprocedural decrease in arterial ammonia levels; one patient showed delayed improvement. Procedure-related complications (eg, abnormal liver function test results, acute kidney injury with leukocytosis) were encountered in two patients. All patients showed clinical and symptomatic improvement at the time of discharge and during a follow-up of 4 months (with visits at 1 mo and 3 mo later). CONCLUSIONS Initial experience suggests that BRTO is an effective procedure in the management of HE arising as a result of large portosystemic shunts.
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Kim MJ, Jang BK, Chung WJ, Hwang JS, Kim YH. Duodenal variceal bleeding after balloon-occluded retrograde transverse obliteration: Treatment with transjugular intrahepatic portosystemic shunt. World J Gastroenterol 2012; 18:2877-80. [PMID: 22719200 PMCID: PMC3374995 DOI: 10.3748/wjg.v18.i22.2877] [Citation(s) in RCA: 13] [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: 11/17/2011] [Revised: 12/29/2011] [Accepted: 01/18/2012] [Indexed: 02/06/2023] Open
Abstract
We report a case of duodenal varix bleeding as a long term complication of balloon occluded retrograde transvenous obliteration (BRTO), which was successfully treated with a transjugular intrahepatic portosystemic shunt (TIPS). A 57-year-old man was admitted to the emergency room suffering from melena. He had undergone BRTO to treat gastric varix bleeding 5 mo before admission. Endoscopy and a computed tomography (CT) scan showed complete obliteration of the gastric varix, but the nodular varices in the second portion of the duodenum expanded after BRTO, and spurting blood was seen. TIPS was performed for treatment of duodenal variceal bleeding, because attempts at endoscopic varix ligation were unsuccessful. The postoperative course was uneventful and the patient was discharged without complications. A follow up CT scan obtained 21 mo after TIPS revealed a patent TIPS tract and complete obliteration of duodenal varices, but multinodular hepatocellular carcinoma had developed. He died of hepatic failure 28 mo after TIPS.
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Saad WEA. Balloon-occluded retrograde transvenous obliteration of gastric varices: concept, basic techniques, and outcomes. Semin Intervent Radiol 2012; 29:118-28. [PMID: 23729982 PMCID: PMC3444869 DOI: 10.1055/s-0032-1312573] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Patients with gastric variceal bleeding require a multidisciplinary team approach including hepatologists, endoscopists, diagnostic radiologists, and interventional radiologists. Upper gastrointestinal endoscopy is the first-line diagnostic and management tool for bleeding gastric varices, as it is in all upper gastrointestinal bleeding scenarios. In the United States when endoscopy fails to control gastric variceal bleeding, a transjugular intrahepatic portosystemic shunt (TIPS) traditionally is performed along the classic teachings of decompressing the portal circulation. However, TIPS has not shown the same effectiveness in controlling gastric variceal bleeding that it has with esophageal variceal bleeding. For the past 2 decades, the balloon-occluded retrograde transvenous obliteration (BRTO) procedure has become common practice in Asia for the management of gastric varices. BRTO is gaining popularity in the United States. It has been shown to be effective in controlling gastric variceal bleeding with low rebleed rates. BRTO has many advantages over TIPS in that it is less invasive and can be performed on patients with poor hepatic reserve and those with encephalopathy (and may even improve both). However, its by-product is occlusion of a spontaneous hepatofugal (TIPS equivalent) shunt, and thus it is contradictory to the traditional American doctrine of portal decompression. Indeed, BRTO causes an increase in portal hypertension, with potential aggravation of esophageal varices and ascites. This article discusses the concept, technique, and outcomes of BRTO within the broader management of gastric varices.
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Affiliation(s)
- Wael E. A. Saad
- Division of Vascular Interventional Radiology, Department of Radiology and Medical Imaging, University of Virginia Health System, Charlottesville, Virginia
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Sonomura T, Ono W, Sato M, Sahara S, Nakata K, Sanda H, Kawai N, Minamiguchi H, Nakai M, Kishi K. Three benefits of microcatheters for retrograde transvenous obliteration of gastric varices. World J Gastroenterol 2012; 18:1373-8. [PMID: 22493551 PMCID: PMC3319964 DOI: 10.3748/wjg.v18.i12.1373] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2011] [Revised: 02/20/2012] [Accepted: 02/26/2012] [Indexed: 02/06/2023] Open
Abstract
AIM: To evaluate the usefulness of the microcatheter techniques in balloon-occluded retrograde transvenous obliteration (BRTO) of gastric varices.
METHODS: Fifty-six patients with gastric varices underwent BRTOs using microcatheters. A balloon catheter was inserted into gastrorenal or gastrocaval shunts. A microcatheter was navigated close to the varices, and sclerosant was injected into the varices through the microcatheter during balloon occlusion. The next morning, thrombosis of the varices was evaluated by contrast enhanced computed tomography (CE-CT). In patients with incomplete thrombosis of the varices, a second BRTO was performed the following day. Patients were followed up with CE-CT and endoscopy.
RESULTS: In all 56 patients, sclerosant was selectively injected through the microcatheter close to the varices. In 9 patients, microcoil embolization of collateral veins was performed using a microcatheter. In 12 patients with incomplete thrombosis of the varices, additional injection of sclerosant was performed through the microcatheter that remained inserted overnight. Complete thrombosis of the varices was achieved in 51 of 56 patients, and the remaining 5 patients showed incomplete thrombosis of the varices. No recurrence of the varices was found in the successful 51 patients after a median follow up time of 10.5 mo. We experienced one case of liver necrosis, and the other complications were transient.
CONCLUSION: The microcatheter techniques are very effective methods for achieving a higher success rate of BRTO procedures.
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