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Carvalho T, Guimarães A, Leal T, Ferreira A, Gonçalves BM. Recurrent obstruction of biliary stent-in-stent: a heated solution. REVISTA ESPANOLA DE ENFERMEDADES DIGESTIVAS 2024. [PMID: 38591599 DOI: 10.17235/reed.2024.10390/2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/10/2024]
Abstract
Intraductal radiofrequency ablation (RFA) has been used in the management of malignant biliary obstruction and ampullary neoplasms. Some small studies refer to its role in managing benign biliary strictures with some promising results. The complications are not neglectable, namely cholangitis, pancreatitis, bleeding, and perforation, although most of them can be managed conservatively. There are two catheters available. Only the ERLA (EndoLumunal Radiofrequency Ablation, Taewoong Medical) catheter can control temperature and impedance, allowing it to reduce the risk of complications.
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Shin IS, Moon JH, Lee YN, Myeong JH, Lee TH, Yang JK, Cho YD, Park SH. Impact of temperature-controlled endobiliary radiofrequency ablation for inoperable hilar cholangiocarcinoma: A propensity score-matched analysis. Endosc Int Open 2024; 12:E535-E544. [PMID: 38720905 PMCID: PMC11077275 DOI: 10.1055/a-2276-1897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 02/20/2024] [Indexed: 05/12/2024] Open
Abstract
Background and study aims Endobiliary radiofrequency ablation (RFA) can be an effective palliative treatment, but few studies have evaluated its outcomes for malignant obstruction in the hilar bile duct, which has a thin wall and complex duct-vascular contacts. We evaluated the efficacy and safety of temperature-controlled endobiliary RFA, which can reduce the risk of unintentional thermal injury by maintaining the temperature of the ablation segment, in the treatment of inoperable hilar cholangiocarcinoma (CCA). Patients and methods After propensity score matching, 64 patients with inoperable hilar CCA were categorized to the RFA + stent group (endobiliary RFA with stenting; n=32) or stent-only group (stenting only; n=32). The evaluated outcomes were the median time to recurrent biliary obstruction (RBO), overall survival (OS), and adverse events (AEs). Results Technical success was achieved in all patients. The clinical success rate was 93.8% in the RFA + stent group and 87.5% in the stent-only group ( P =0.672). The median time to RBO was 242 days in the RFA + stent group and 168 days in the stent-only group ( P =0.031). The median OS showed a non-significant tendency to be higher in the RFA + stent group (337 versus 296 days; P =0.260). Overall AE rates were comparable between the two groups (12.5% vs 9.4%, P =1.000). Conclusions Temperature-controlled endobiliary RFA resulted in favorable stent patency without increasing the rate of AEs but it did not significantly increase OS in patients with inoperable hilar CCA (Clinical trial registration number: KCT0008576).
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Affiliation(s)
- Il Sang Shin
- Digestive Disease Center and Research Institute, Department of Internal Medicine, SoonChunHyang University School of Medicine, Bucheon, Korea
| | - Jong Ho Moon
- Digestive Disease Center and Research Institute, Department of Internal Medicine, SoonChunHyang University School of Medicine, Bucheon, Korea
| | - Yun Nah Lee
- Digestive Disease Center and Research Institute, Department of Internal Medicine, SoonChunHyang University School of Medicine, Bucheon, Korea
| | - Jun Ho Myeong
- Digestive Disease Center and Research Institute, Department of Internal Medicine, SoonChunHyang University School of Medicine, Bucheon, Korea
| | - Tae Hoon Lee
- Digestive Disease Center and Research Institute, Department of Internal Medicine, SoonChunHyang University School of Medicine, Cheonan, Korea
| | - Jae Kook Yang
- Digestive Disease Center and Research Institute, Department of Internal Medicine, SoonChunHyang University School of Medicine, Cheonan, Korea
| | - Young Deok Cho
- Digestive Disease Center and Research Institute, Department of Internal Medicine, SoonChunHyang University School of Medicine, Seoul, Korea
| | - Sang-Heum Park
- Digestive Disease Center and Research Institute, Department of Internal Medicine, SoonChunHyang University School of Medicine, Cheonan, Korea
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Kim M, Parekh D, Kahaleh M. Ablation Therapy of the Biliary Tree: Status and Comprehensive Review. J Clin Gastroenterol 2024; 58:317-323. [PMID: 38252680 DOI: 10.1097/mcg.0000000000001965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 12/13/2023] [Indexed: 01/24/2024]
Abstract
Malignant biliary obstruction is typically referred to endoscopists for palliation. A curative resection is indeed rarely an option in this condition. Photodynamic therapy and radiofrequency ablation are 2 modalities that can be offered in those patients. Many studies have demonstrated improved stent patency and survival after ablation. Photodynamic therapy is unfortunately very expensive and is associated with photosensitivity; however, it transmits to the entire biliary tree. Radiofrequency ablation is more affordable and easier to apply but requires contact with the tumor to be efficient. This review explores both modalities in terms of their safety and efficacy for bile duct cancer palliation.
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Affiliation(s)
- Marina Kim
- University of Massachusetts, Worcester, MA
| | - Darshan Parekh
- Thane Institute of Gastroenterology, Thane, Maharashtra, India
| | - Michel Kahaleh
- Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ
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4
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Consensus statements on endoscopic radiofrequency ablation for malignant biliary strictures. J Dig Dis 2024; 25:2-13. [PMID: 38126618 DOI: 10.1111/1751-2980.13248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 12/19/2023] [Indexed: 12/23/2023]
Abstract
Endoscopy-guided endobiliary radiofrequency ablation has emerged as a novel treatment for malignant biliary strictures in recent years. When combined with biliary stenting and systemic chemotherapy, it can effectively postpone local tumor progression, improve patient's quality of life, and prolong their survival, which is mainly indicated for patients with inoperable extrahepatic cholangiocarcinoma and ampullary cancer. Based on the existing clinical evidence, the Digestive Endoscopology Branch of Chinese Medical Association, the Digestive Endoscopy Professional Committee, Endoscopic Physicians Branch of Chinese Medical Doctor Association, and the National Clinical Research Center for Digestive Diseases (Shanghai) organized relevant experts to discuss the indications, contraindications, technical operation specifications, and prevention and treatment of the complications during endoscopy-guided endobiliary radiofrequency ablation. Consensus statements were established, trying to provide references for standard treatment of malignant biliary tumors in clinical practice.
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Lim S, Truong VG, Jeong S, Lee J, Lee BI, Kang HW. Balloon-assisted laser application for endoscopic treatment of biliary stricture. Lasers Surg Med 2023; 55:912-920. [PMID: 37727929 DOI: 10.1002/lsm.23726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 08/24/2023] [Accepted: 09/09/2023] [Indexed: 09/21/2023]
Abstract
OBJECTIVES Malignant biliary stricture is a ductal narrowing of the bile duct that is often diagnosed at an advanced stage, leading to difficulty in resection. The current study aims to evaluate the feasibility of endobiliary laser treatment by quantifying the extent of coagulative necrosis in tissue under various conditions. METHODS Ex vivo and in vivo porcine bile tissues were used for endobiliary laser treatment to characterize the dosimetric responses of the tissue to various treatment conditions: power level, irradiation time, and number of treatments. 532 nm laser light was coupled with a balloon-integrated diffusing applicator (BDA) to deliver the laser light endoscopically for tissue coagulation. The coagulated regions (maximum length and depth) in the treated tissues were evaluated histologically for quantitative comparison. RESULTS Dosimetric evaluations with ex vivo liver tissue confirmed that both maximum length and depth of coagulative necrosis (CN) increased with applied power and number of treatments. Ex vivo bile duct tests demonstrated that BDA-assisted laser treatment at 10 W for 12 s reproducibly yielded CN with a length of 5.8 ± 1.6 mm and a depth of 0.6 ± 0.2 mm. In vivo tests presented that endoscopic laser treatment using the BDA created CN on the ductal surface without any perforation. Microscopic examinations revealed that a dense inflammatory cell infiltration and eosinophilic area in the in vivo treated tissue. The extent of CN in the in vivo tissue was 40% longer and 120% deeper (length: 8.1 ± 0.7 mm; depth: 1.3 ± 0.2 mm), compared to that in the ex vivo tissue. CONCLUSION BDA-assisted laser treatment could be a feasible option for endoscopic treatment of biliary stricture with uniform ablation at the circumference of bile duct. Further in vivo studies will be performed in a large number of stricture-developed porcine models to examine both efficacy and safety of the proposed endobiliary laser treatment for clinical translations.
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Affiliation(s)
- Seonghee Lim
- Industry 4.0 Convergence Bionics Engineering, Pukyong National University, Busan, South Korea
| | - Van Gia Truong
- Division of Research and Development, TeCure, Inc., Busan, South Korea
| | - Seok Jeong
- Division of Gastroenterology, Department of Internal Medicine, Inha University School of Medicine, Inha University Hospital, Incheon, South Korea
| | - Jiho Lee
- Division of Smart Healthcare, Major of Biomedical Engineering, College of Information Technology and Convergence, Pukyong National University, Busan, South Korea
| | - Byeong-Il Lee
- Industry 4.0 Convergence Bionics Engineering, Pukyong National University, Busan, South Korea
- Division of Smart Healthcare, Major of Human-Bio Convergence, College of Information Technology and Convergence, Pukyong National University, Busan, South Korea
| | - Hyun Wook Kang
- Industry 4.0 Convergence Bionics Engineering, Pukyong National University, Busan, South Korea
- Division of Research and Development, TeCure, Inc., Busan, South Korea
- Division of Smart Healthcare, Major of Biomedical Engineering, College of Information Technology and Convergence, Pukyong National University, Busan, South Korea
- Marine-integrated Biomedical Technology Center, Pukyong National University, Busan, South Korea
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6
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Cho SH, Oh D, Song TJ, Park DH, Seo DW, Lee SK, Kim MH, Lee SS. Long-term Outcomes of Endoscopic Intraductal Radiofrequency Ablation for Ampullary Adenoma with Intraductal Extension after Endoscopic Snare Papillectomy. Gut Liver 2023; 17:638-646. [PMID: 36472069 PMCID: PMC10352061 DOI: 10.5009/gnl220201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 08/10/2022] [Accepted: 09/29/2022] [Indexed: 07/20/2023] Open
Abstract
Background/Aims There are limitations in treating ampullary adenomas with intraductal extension using conventional endoscopic modalities. Endoscopic intraductal radiofrequency ablation (ID-RFA) may be useful for treating intraductal (common bile duct [CBD] and/or pancreatic duct [PD]) extensions of ampullary adenomas, but long-term data are lacking. We thus evaluated the long-term outcomes of endoscopic ID-RFA for managing ampullary adenomas with intraductal extension. Methods Prospectively collected endoscopic ID-RFA database at Asan Medical Center was reviewed to identify consecutive patients with ampullary adenoma who underwent ID-RFA for intraductal extension between January 2018 and August 2021. Technical success, short-term and long-term clinical success, and adverse events were evaluated. Results A total of 29 patients (14 CBD, 1 PD, and 14 CBD and PD) were analyzed. All patients had undergone endoscopic snare papillectomy prior to ID-RFA. A median of one session of ID-RFA (range, 1 to 3) for residual or relapsed intraductal extension of ampullary adenoma were successfully performed (technical success=100%). Both biliary and pancreatic stenting were routinely performed after ID-RFA to prevent ductal stricture. After a median follow-up of 776 days (interquartile range, 470 to 984 days), the short-term and long-term clinical success rates were 93% and 76%, respectively. Seven patients experienced procedural adverse events and three patients developed ductal strictures. Conclusions Endoscopic ID-RFA showed good long-term outcomes in treating residual or relapsed ampullary adenomas with intraductal extension. Repeated ID-RFA may be considered as an option for managing recurrence. Further studies are needed to standardize the procedure.
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Affiliation(s)
- Sung Hyun Cho
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Dongwook Oh
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Tae Jun Song
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Do Hyun Park
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Dong-Wan Seo
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Sung Koo Lee
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Myung-Hwan Kim
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Sang Soo Lee
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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Di Girolamo E, Belli A, Ottaiano A, Granata V, Borzillo V, Tarotto L, Tatangelo F, Palaia R, Civiletti C, Piccirillo M, D’Angelo V, Fiore F, Marone P, Nasti G, Izzo F, de Bellis M. Impact of endobiliary radiofrequency ablation on survival of patients with unresectable cholangiocarcinoma: a narrative review. Front Oncol 2023; 13:1077794. [PMID: 37324013 PMCID: PMC10266199 DOI: 10.3389/fonc.2023.1077794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Accepted: 05/05/2023] [Indexed: 06/17/2023] Open
Abstract
Cholangiocarcinoma (CCA) is a rare cancer originating from the biliary epithelium and accounts for about 3% of all gastrointestinal malignancies. Unfortunately, the majority of patients are not eligible for surgical resection at the time of diagnosis, because of the locally advanced stage or metastatic disease. The overall survival time of unresectable CCA is generally less than 1 year, despite current chemotherapy regimens. Biliary drainage is often required as a palliative treatment for patients with unresectable CCA. Recurrent jaundice and cholangitis tend to occur because of reobstruction of the biliary stents. This not only jeopardizes the efficacy of chemotherapy, but also causes significant morbidity and mortality. Effective control of tumor growth is crucial for prolonging stent patency and consequently patient survival. Recently, endobiliary radiofrequency ablation (ERFA) has been experimented as a treatment modality to reduce tumor mass, and delay tumor growth, extending stent patency. Ablation is accomplished by means of high-frequency alternating current which is released from the active electrode of an endobiliary probe placed in a biliary stricture. It has been shown that tumor necrosis releases intracellular particles which are highly immunogenic and activate antigen-presenting cells, enhancing local immunity directed against the tumor. This immunogenic response could potentially enhance tumor suppression and be responsible for improved survival of patients with unresectable CCA who undergo ERFA. Several studies have demonstrated that ERFA is associated with an increased median survival of approximately 6 months in patients with unresectable CCA. Furthermore, recent data support the hypothesis that ERFA could ameliorate the efficacy of chemotherapy administered to patients with unresectable CCA, without increasing the risk of complications. This narrative review discusses the results of the studies published in recent years and focuses on the impact that ERFA could have on overall survival of patients with unresectable cholangiocarcinoma.
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Affiliation(s)
- Elena Di Girolamo
- Division of Gastroenterology and Gastrointestinal Endoscopy. Istituto Nazionale Tumori, IRCCS, Fondazione G. Pascale, Naples, Italy
| | - Andrea Belli
- Division of Hepatobiliary Surgery. Istituto Nazionale Tumori, IRCCS, Fondazione G. Pascale, Naples, Italy
| | - Alessandro Ottaiano
- Unit for Innovative Therapies of Abdominal Metastastes. Istituto Nazionale Tumori, IRCCS, Fondazione G. Pascale, Naples, Italy
| | - Vincenza Granata
- Division of Radiology. Istituto Nazionale Tumori, IRCCS, Fondazione G. Pascale, Naples, Italy
| | - Valentina Borzillo
- Division of Radiotherapy. Istituto Nazionale Tumori, IRCCS, Fondazione G. Pascale, Naples, Italy
| | - Luca Tarotto
- Division of Interventional Radiology. Istituto Nazionale Tumori, IRCCS, Fondazione G. Pascale, Naples, Italy
| | - Fabiana Tatangelo
- Division of Anatomic Pathology and Cytopathology. Istituto Nazionale Tumori, IRCCS, Fondazione G. Pascale, Naples, Italy
| | - Raffaele Palaia
- Gastropancreatic Surgical Unit. Istituto Nazionale Tumori, IRCCS, Fondazione G. Pascale, Naples, Italy
| | - Corrado Civiletti
- Division of Gastroenterology and Gastrointestinal Endoscopy. Istituto Nazionale Tumori, IRCCS, Fondazione G. Pascale, Naples, Italy
| | - Mauro Piccirillo
- Division of Hepatobiliary Surgery. Istituto Nazionale Tumori, IRCCS, Fondazione G. Pascale, Naples, Italy
| | - Valentina D’Angelo
- Division of Gastroenterology and Gastrointestinal Endoscopy. Istituto Nazionale Tumori, IRCCS, Fondazione G. Pascale, Naples, Italy
| | - Francesco Fiore
- Division of Interventional Radiology. Istituto Nazionale Tumori, IRCCS, Fondazione G. Pascale, Naples, Italy
| | - Pietro Marone
- Division of Gastroenterology and Gastrointestinal Endoscopy. Istituto Nazionale Tumori, IRCCS, Fondazione G. Pascale, Naples, Italy
| | - Guglielmo Nasti
- Unit for Innovative Therapies of Abdominal Metastastes. Istituto Nazionale Tumori, IRCCS, Fondazione G. Pascale, Naples, Italy
| | - Francesco Izzo
- Division of Hepatobiliary Surgery. Istituto Nazionale Tumori, IRCCS, Fondazione G. Pascale, Naples, Italy
| | - Mario de Bellis
- Division of Gastroenterology and Gastrointestinal Endoscopy. Istituto Nazionale Tumori, IRCCS, Fondazione G. Pascale, Naples, Italy
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Oh D, Chong J, Song TJ, Park DH, Lee SS, Seo DW, Lee SK, Kim MH. The usefulness of endobiliary radiofrequency ablation before metal stent placement in unresectable malignant hilar obstruction. J Gastroenterol Hepatol 2022; 37:2083-2090. [PMID: 35869749 DOI: 10.1111/jgh.15967] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 07/06/2022] [Accepted: 07/18/2022] [Indexed: 12/13/2022]
Abstract
BACKGROUND AND AIM EB-RFA with self-expandable metal stent (SEMS) may improve the stent patency and patient survival in malignant extrahepatic biliary obstruction. However, there are few studies on the role of EB-RFA for malignant hilar obstruction (MHO). This study aimed to assess the feasibility, efficacy, and safety of EB-RFA for MHO. METHODS We retrospectively compared the stent patency and survival among 79 consecutive patients with MHO who underwent bilateral uncovered SEMS placement without and with EB-RFA between April 2016 and January 2020. RESULTS Fifty-one patients (64.6%) underwent SEMS placement alone (stent alone group), whereas 28 (35.4%) underwent SEMS placement after EB-RFA (RFA-stent group). All procedures were successful (100%). During follow-up, stent occlusion occurred in 59 patients (74.7%), of which 40 (78.4%) and 19 (67.9%) were in the stent alone and RFA-stent groups, respectively. There was no difference in stent patency (192 ± 39.2 days vs 140 ± 53.7 days, P = 0.41) and survival (311 ± 24.7 days vs 311 ± 46.9 days, P = 0.73) between the stent alone and RFA-stent groups. Multivariate cox analysis showed a hazard ratio (HR) of 2.892 (1.579-5.294, P = 0.001) for stent occlusion in patients who did not receive chemotherapy. EB-RFA had no significant effect on stent occlusion (HR, 1.150, 0.644-2.053, P = 0.636). CONCLUSIONS SEMS placement after EB-RFA in MHO was not associated with improvement in the stent patency or patient survival. Further prospective randomized studies are necessary to establish the effectiveness of EB-RFA with stents in MHO.
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Affiliation(s)
- Dongwook Oh
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
| | - Junyong Chong
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
| | - Tae Jun Song
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
| | - Do Hyun Park
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
| | - Sang Soo Lee
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
| | - Dong-Wan Seo
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
| | - Sung Koo Lee
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
| | - Myung-Hwan Kim
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
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Canakis A, Kahaleh M. Endoscopic palliation of malignant biliary obstruction. World J Gastrointest Endosc 2022; 14:581-596. [PMID: 36303806 PMCID: PMC9593514 DOI: 10.4253/wjge.v14.i10.581] [Citation(s) in RCA: 2] [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: 07/03/2022] [Revised: 08/20/2022] [Accepted: 10/05/2022] [Indexed: 02/05/2023] Open
Abstract
Malignant biliary obstruction often presents with challenges requiring the endoscopist to assess the location of the lesion, the staging of the disease, the eventual resectability and patient preferences in term of biliary decompression. This review will focus on the different modalities available in order to offer the most appropriate palliation, such as conventional endoscopic retrograde cholangiopancreatography, endoscopic ultrasound guided biliary drainage as well as ablative therapies including photodynamic therapy or radiofrequency ablation.
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Affiliation(s)
- Andrew Canakis
- Department of Gastroenterology and Hepatology, University of Maryland School of Medicine, Baltimore, MD 21201, United States
| | - Michel Kahaleh
- Department of Gastroenterology and Hepatology, Robert Wood Johnson Medical Center, New Brunswick, NJ 08901, United States
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Zimpel C, Mitzlaff K, Jasper NA, Marquardt JU. Aktuelle Studien und Evidenz zum Cholangiokarzinom. Zentralbl Chir 2022; 147:389-397. [DOI: 10.1055/a-1844-0267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
ZusammenfassungCholangiokarzinome (CCA) stellen die zweithäufigsten primären Leberkarzinome dar
und umfassen eine heterogene Gruppe aus intra- und extrahepatischen
Gallenwegstumoren. Die Prognose der Patienten ist sowohl aufgrund einer hohen
Rezidivrate als auch häufig später Diagnosestellung in fortgeschrittenen Stadien
eingeschränkt. Den Goldstandard der kurativen Therapie bildet die komplette
Resektion; sie erfordert komplex-onkologische Eingriffe mit ggf. vorgeschalteten
Hypertrophieinduktionen der Restleber zur Sicherung einer postoperativ
ausreichenden Leberfunktion. Als adjuvante Therapie ist eine 6-monatige Therapie
mit Capecitabin etabliert. Die Therapielandschaft im fortgeschrittenen Stadium
der Erkrankung befindet sich aufgrund neuer Daten aus klinischen
Phase-II/III-Studien stetig im Wandel. Einerseits ebneten molekulare Analysen
den Weg hin zu effektiven zielgerichteten Behandlungen von selektionierten
CCA-Patienten mit u. a. Alterationen in FGFR2- oder IDH1-Signalwegen;
andererseits erwiesen sich in aktuellen klinischen Studien immunonkologische
Kombinationsansätze als effektive und sichere All-Comer-Therapien für die
Behandlung eines unselektionierten Patientenkollektivs. Weitere Studien
evaluieren sowohl Kombinationsbehandlungen als auch molekulare Stratifikation
als neue Therapiekonzepte auch in früheren Erkrankungsstadien und werden die
Therapielandschaft und Prognose der Patienten in Zukunft verbessern.
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Affiliation(s)
- Carolin Zimpel
- Medizinische Klinik I, UKSH Campus Lübeck, Lübeck,
Deutschland
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11
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Mohammad T, Kahaleh M. Comparing palliative treatment options for cholangiocarcinoma: photodynamic therapy vs. radiofrequency ablation. Clin Endosc 2022; 55:347-354. [PMID: 35578751 PMCID: PMC9178148 DOI: 10.5946/ce.2021.274] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Accepted: 01/06/2022] [Indexed: 11/24/2022] Open
Abstract
Referral to an endoscopist is often done once curative resection is no longer an option for cholangiocarcinoma management. In such cases, palliation has become the main objective of the treatment. Photodynamic therapy and radiofrequency ablation can be performed to achieve palliation, with both procedures associated with improved stent patency and survival. Despite the greatly increased cost and association with photosensitivity, photodynamic therapy allows transmission to the entire biliary tree. In contrast, radiofrequency ablation is cheaper and faster to apply, but requires intraductal contact. This paper reviews both modalities and compares their efficacy and safety for bile duct cancer palliation.
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Affiliation(s)
- Tayyaba Mohammad
- Division of Gastroenterology and Hepatology, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, USA
| | - Michel Kahaleh
- Division of Gastroenterology and Hepatology, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, USA
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12
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Palliation in Gallbladder Cancer: The Role of Gastrointestinal Endoscopy. Cancers (Basel) 2022; 14:cancers14071686. [PMID: 35406458 PMCID: PMC8997124 DOI: 10.3390/cancers14071686] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 03/23/2022] [Accepted: 03/24/2022] [Indexed: 12/24/2022] Open
Abstract
Gallbladder cancer is a rare malignancy burdened by poor prognosis with an estimated 5-year survival of 5% to 13% due to late presentation, early infiltration of surrounding tissues, and lack of successful treatments. The only curative approach is surgery; however, more than 50% of cases are unresectable at the time of diagnosis. Endoscopy represents, together with surgery and chemotherapy, an available palliative option in advanced gallbladder cancers not eligible for curative treatments. Cholangitis, jaundice, gastric outlet obstruction, and pain are common complications of advanced gallbladder cancer that may need endoscopic management in order to improve the overall survival and the patients’ quality of life. Endoscopic biliary drainage is frequently performed to manage cholangitis and jaundice. ERCP is generally the preferred technique allowing the placement of a plastic stent or a self-expandable metal stent depending on the singular clinical case. EUS-guided biliary drainage is an available alternative for patients not amenable to ERCP drainage (e.g., altered anatomy). Gastric outlet obstruction is another rare complication of gallbladder malignancy growing in contact with the duodenal wall and causing its compression. Endoscopy is a less invasive alternative to surgery, offering different options such as an intraluminal self-expandable metal stent or EUS-guided gastroenteroanastomosis. Abdominal pain associated with cancer progression is generally managed with medical treatments; however, for incoercible pain, EUS-guided celiac plexus neurolysis has been described as an effective and safe treatment. Locoregional treatments, such as radiofrequency ablation (RFA), photodynamic therapy (PDT), and intraluminal brachytherapy (IBT), have been described in the control of disease progression; however, their role in daily clinical practice has not been established yet. The aim of this study is to perform a review of the literature in order to assess the role of endoscopy and the available techniques in the palliative therapy of advanced gallbladder malignancy.
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Inoue T, Naitoh I, Kitano R, Ibusuki M, Kobayashi Y, Sumida Y, Nakade Y, Ito K, Yoneda M. Endobiliary Radiofrequency Ablation Combined with Gemcitabine and Cisplatin in Patients with Unresectable Extrahepatic Cholangiocarcinoma. Curr Oncol 2022; 29:2240-2251. [PMID: 35448156 PMCID: PMC9029596 DOI: 10.3390/curroncol29040182] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/16/2022] [Accepted: 03/19/2022] [Indexed: 12/16/2022] Open
Abstract
Background: Endobiliary radiofrequency ablation (RFA) is a promising treatment modality for patients with extrahepatic cholangiocarcinoma (eCCA). However, no study has investigated the combined use of endobiliary RFA and gemcitabine plus cisplatin (GC) chemotherapy. This study aimed to examine the feasibility and efficacy of endobiliary RFA with GC therapy for patients with unresectable eCCA. Methods: The study outcomes included overall survival (OS), progression-free survival (PFS), time to recurrent biliary obstruction (RBO), and adverse events associated with the treatment. These parameters were retrospectively compared between 25 patients who underwent RFA with self-expandable metal stent (SEMS) placement followed by GC therapy (with-RFA group) and a control cohort of 25 patients who underwent SEMS placement alone and GC therapy (without-RFA group). Results: The median time to RBO was significantly longer in the with-RFA group (10.7 versus 5.2 months, p = 0.048). The median OS was significantly higher in patients with locally advanced tumors in the with-RFA group (23.1 versus 16.6 months, p = 0.032), but did not differ significantly in patients with metastasis (11.4 versus 8.5 months, p = 0.180). Similarly, the median PFS was significantly higher in the with-RFA group in patients with locally advanced disease (10.1 versus 7.3 months, p = 0.015), while there was no significant difference in patients with metastasis (5.4 versus 4.4 months, p = 0.529). The rates of various toxicities did not differ significantly between the groups. Conclusions: Endobiliary RFA prolonged the patency period of uncovered SEMS combined with GC therapy in patients with eCCA. Although RFA also yielded survival benefits, its effect was restricted to locally advanced tumors.
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Affiliation(s)
- Tadahisa Inoue
- Department of Gastroenterology, Aichi Medical University, 1-1 Yazakokarimata, Nagakute 480-1195, Japan; (R.K.); (M.I.); (Y.K.); (Y.S.); (Y.N.); (K.I.); (M.Y.)
- Correspondence: ; Tel.: +81-561-62-3311; Fax: +81-561-63-3208
| | - Itaru Naitoh
- Department of Gastroenterology and Metabolism, Nagoya City University Graduate School of Medical Sciences, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya 467-8601, Japan;
| | - Rena Kitano
- Department of Gastroenterology, Aichi Medical University, 1-1 Yazakokarimata, Nagakute 480-1195, Japan; (R.K.); (M.I.); (Y.K.); (Y.S.); (Y.N.); (K.I.); (M.Y.)
| | - Mayu Ibusuki
- Department of Gastroenterology, Aichi Medical University, 1-1 Yazakokarimata, Nagakute 480-1195, Japan; (R.K.); (M.I.); (Y.K.); (Y.S.); (Y.N.); (K.I.); (M.Y.)
| | - Yuji Kobayashi
- Department of Gastroenterology, Aichi Medical University, 1-1 Yazakokarimata, Nagakute 480-1195, Japan; (R.K.); (M.I.); (Y.K.); (Y.S.); (Y.N.); (K.I.); (M.Y.)
| | - Yoshio Sumida
- Department of Gastroenterology, Aichi Medical University, 1-1 Yazakokarimata, Nagakute 480-1195, Japan; (R.K.); (M.I.); (Y.K.); (Y.S.); (Y.N.); (K.I.); (M.Y.)
| | - Yukiomi Nakade
- Department of Gastroenterology, Aichi Medical University, 1-1 Yazakokarimata, Nagakute 480-1195, Japan; (R.K.); (M.I.); (Y.K.); (Y.S.); (Y.N.); (K.I.); (M.Y.)
| | - Kiyoaki Ito
- Department of Gastroenterology, Aichi Medical University, 1-1 Yazakokarimata, Nagakute 480-1195, Japan; (R.K.); (M.I.); (Y.K.); (Y.S.); (Y.N.); (K.I.); (M.Y.)
| | - Masashi Yoneda
- Department of Gastroenterology, Aichi Medical University, 1-1 Yazakokarimata, Nagakute 480-1195, Japan; (R.K.); (M.I.); (Y.K.); (Y.S.); (Y.N.); (K.I.); (M.Y.)
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Hendriquez R, Keihanian T, Goyal J, Abraham RR, Mishra R, Girotra M. Radiofrequency ablation in the management of primary hepatic and biliary tumors. World J Gastrointest Oncol 2022; 14:203-215. [PMID: 35116111 PMCID: PMC8790419 DOI: 10.4251/wjgo.v14.i1.203] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Revised: 06/15/2021] [Accepted: 12/08/2021] [Indexed: 02/06/2023] Open
Abstract
In the United States, 80%-90% of primary hepatic tumors are hepatocellular carcinomas and 10%-15% are cholangiocarcinomas (CCA), both with high mortality rate, particularly CCA, which portends a worse prognosis. Traditional management with surgery has good outcomes in appropriately selected patients; however, novel ablative treatment options have emerged, such as radiofrequency ablation (RFA), which can improve the prognosis of both hepatic and biliary tumors. RFA is aimed to generate an area of necrosis within the targeted tissue by applying thermal therapy via an electrode, with a goal to completely eradicate the tumor while preserving surrounding healthy tissue. Role of RFA in management of hepatic and biliary tumors forms the focus of our current mini-review article.
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Affiliation(s)
- Richard Hendriquez
- Department of Internal Medicine, University of Central Florida, Orlando, FL 32816, United States
| | - Tara Keihanian
- Department of Gastroenterology and Hepatology, University of Miami, Miami, FL 33136, United States
| | - Jatinder Goyal
- Department of Gastroenterology and Hepatology, Wellspan Digestive Health - York Hospital, York, PA 17403, United States
| | - Rtika R Abraham
- Department of Endocrinology, Swedish Medical Center, Seattle, WA 98104, United States
| | - Rajnish Mishra
- Digestive Health Institute, Section of Gastroenterology and Interventional Endoscopy, Swedish Medical Center, Seattle, WA 98104, United States
| | - Mohit Girotra
- Digestive Health Institute, Section of Gastroenterology and Interventional Endoscopy, Swedish Medical Center, Seattle, WA 98104, United States
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15
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Inoue T, Yoneda M. Updated evidence on the clinical impact of endoscopic radiofrequency ablation in the treatment of malignant biliary obstruction. Dig Endosc 2022; 34:345-358. [PMID: 34107114 DOI: 10.1111/den.14059] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 05/24/2021] [Accepted: 06/08/2021] [Indexed: 12/15/2022]
Abstract
Endoscopic biliary radiofrequency ablation (RFA) was recently developed as a novel adjunctive procedure and a promising therapeutic option in patients with malignant biliary obstruction (MBO). RFA can achieve local tumor control, resulting in improved biliary stent patency and a potential survival benefit. However, the efficacy of biliary RFA remains controversial, and previous studies have shown conflicting results. At present, extrahepatic cholangiocarcinoma is considered the condition most effectively treated by biliary RFA, but there is limited research even on this point. Further, limitations of RFA associated with the devices used during the procedure are an important subject of discussion. In addition to further well-designed clinical trials, development of innovative devices is warranted to investigate and conclusively establish the usefulness of biliary RFA. In this review we summarize the updated evidence regarding the use of endoscopic biliary RFA for MBO and discuss issues that should be addressed in future studies.
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Affiliation(s)
- Tadahisa Inoue
- Department of Gastroenterology, Aichi Medical University, Aichi, Japan
| | - Masashi Yoneda
- Department of Gastroenterology, Aichi Medical University, Aichi, Japan
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16
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John ES, Tarnasky PR, Kedia P. Ablative therapies of the biliary tree. Transl Gastroenterol Hepatol 2021; 6:63. [PMID: 34805585 DOI: 10.21037/tgh.2020.02.03] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Accepted: 01/23/2020] [Indexed: 01/04/2023] Open
Abstract
Cholangiocarcinoma, a malignancy of the epithelial cells in the intrahepatic or extrahepatic biliary tree, is often diagnosed at later stages. Median survival duration ranges from 3 to 9 months with a less than ten percent 5-year survival rate. Thus, often treatment strategies are aimed more towards palliation instead of cure. With the majority of patients presenting with unresectable disease at the time of diagnosis, surgical intervention is not feasible, making less invasive endoscopic therapies more suitable. Initially, biliary stents were utilized for biliary decompression to mitigate cholestatic symptoms and prevent cholangitis; however, this strategy did not prove to provide significant survival benefit. Therefore, efforts to treat the tumor burden itself in addition to maintaining biliary patency became a focus of innovation and research in the endoscopic field. This study has led to the advent of therapies such as photodynamic therapy, radiofrequency ablation, and intraluminal brachytherapy. These options combined with biliary stenting have shown to not only offer the benefit of biliary decompression, but also to potentially improve stent patency and survival. Further, there is an anti-tumor effect of each of these modalities, portending an additional benefit in this subset of patients. Despite numerous retrospective and prospective studies assessing these ablative therapies, there is still a paucity of appropriately powered randomized controlled trials, and further research has yet to be done in the field. This review details the current literature entailing endobiliary ablative strategies.
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Affiliation(s)
- Elizabeth S John
- Department of Gastroenterology, Methodist Dallas Medical Center, Dallas, TX, USA
| | - Paul R Tarnasky
- Department of Gastroenterology, Methodist Dallas Medical Center, Dallas, TX, USA
| | - Prashant Kedia
- Department of Gastroenterology, Methodist Dallas Medical Center, Dallas, TX, USA
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Kang H, Han SY, Cho JH, Kim EJ, Kim DU, Yang JK, Jeon S, Park G, Lee TH. Efficacy and safety of temperature-controlled intraductal radiofrequency ablation in advanced malignant hilar biliary obstruction: A pilot multicenter randomized comparative trial. JOURNAL OF HEPATO-BILIARY-PANCREATIC SCIENCES 2021; 29:469-478. [PMID: 34800357 DOI: 10.1002/jhbp.1082] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 09/21/2021] [Accepted: 11/05/2021] [Indexed: 12/14/2022]
Abstract
PURPOSE We aimed to evaluate the efficacy and safety of temperature-controlled intraductal radiofrequency ablation (ID-RFA) for advanced malignant hilar biliary obstruction (MHBO). METHODS Patients were randomly assigned to RFA group (ID-RFA and bilateral plastic stent [PS]) or non-RFA group (bilateral PS) at a 1:1 ratio. Exchange to self-expanding metal stent (SEMS) was performed after 3 months or when premature PS occlusion occurred. Total event-free stent patency, overall survival (OS), and adverse events (AEs) were analyzed. RESULTS A total of 30 patients from three hospitals were enrolled. Stent patency and OS did not differ between the two groups (178 days vs 122 days, P = .154; 230 days vs 144 days, P = .643; respectively). In patients with each stricture length ≥11 mm on both sides, stent patency was longer in the RFA group than in the non-RFA group (175 days vs 121 days, P = .028). More patients received elective exchange to SEMS without PS occlusion in the RFA group than in the non-RFA group (69.2% vs 23.1%, P = .018). AE rates did not differ between the two groups. CONCLUSIONS Temperature-controlled ID-RFA for advanced MHBO was safe and feasible. It could prevent premature PS occlusion within 3 months.
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Affiliation(s)
- Huapyong Kang
- Department of Internal Medicine, Gil Medical Center, Gachon University College of Medicine, Incheon, South Korea.,Department of Medicine, Yonsei University Graduate School, Seoul, South Korea
| | - Sung Yong Han
- Department of Internal Medicine and Biomedical Research Institute, Pusan National University Hospital, Busan, South Korea
| | - Jae Hee Cho
- Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | - Eui Joo Kim
- Department of Internal Medicine, Gil Medical Center, Gachon University College of Medicine, Incheon, South Korea
| | - Dong Uk Kim
- Department of Internal Medicine and Biomedical Research Institute, Pusan National University Hospital, Busan, South Korea
| | - Jae Kook Yang
- Department of Internal Medicine, SoonChunHyang University School of Medicine, Cheonan Hospital, Cheonan, South Korea
| | - Soyoung Jeon
- Biostatistics Collaboration Unit, Yonsei University College of Medicine, Seoul, South Korea
| | - Goeun Park
- Biostatistics Collaboration Unit, Yonsei University College of Medicine, Seoul, South Korea
| | - Tae Hoon Lee
- Department of Internal Medicine, SoonChunHyang University School of Medicine, Cheonan Hospital, Cheonan, South Korea
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18
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Cho JH, Jang SI, Do MY, Lee DK. [Recent Updates on Endoscopic Retrograde Cholangiography-guided Intraductal Radiofrequency Ablation for Malignant Biliary Stricture]. THE KOREAN JOURNAL OF GASTROENTEROLOGY 2021; 78:205-212. [PMID: 34697274 DOI: 10.4166/kjg.2021.121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 08/25/2021] [Indexed: 11/03/2022]
Abstract
Malignant biliary strictures are caused by pancreatobiliary cancer and other metastatic malignancies. Most of them are unresectable at diagnosis with a dismal prognosis. Various new ablation methods have been introduced. Of them, ERCP-guided intraductal radiofrequency ablation (ID-RFA) appears to be the most promising minimally invasive endoscopic treatment by delivering a high-frequency alternating current to the target tissue, leading to coagulative necrosis. Thus far, many studies have provided evidence that ERCP-guided ID-RFA is a safe, feasible, and effective treatment modality for stent patency and overall survival. Compared to other ablation treatments, ERCP-guided ID-RFA has several advantages, including ease of delivery, controlled application of thermal energy, low cost, and fewer systemic side effects with an acceptable safety profile. Therefore, ERCP-guided ID-RFA can be considered an adjunctive treatment for the palliation of unresectable malignant biliary strictures. On the other hand, the decision of local ablation treatment should be individualized by multidisciplinary team support due to the lack of comparative studies.
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Affiliation(s)
- Jae Hee Cho
- Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Sung Ill Jang
- Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Min Young Do
- Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Dong Ki Lee
- Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
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19
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Theoretical Evaluation of Microwave Ablation Applied on Muscle, Fat and Bone: A Numerical Study. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11178271] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
(1) Background: Microwave ablation (MWA) is a common tumor ablation surgery. Because of the high temperature of the ablation antenna, it is strongly destructive to surrounding vital tissues, resulting in high professional requirements for clinicians. The method used to carry out temperature observation and damage prediction in MWA is significant; (2) Methods: This work employs numerical study to explore temperature distribution of typical tissues in MWA. Firstly, clinical MWA based on isolated biological tissue is implemented. Then, the Pennes models and microwave radiation physics are established based on experimental parameters and existing related research. Initial values and boundary conditions are adjusted to better meet the real clinical materials and experimental conditions. Finally, clinical MWA data test this model. On the premise that the model is matched with clinical MWA, fat and bone are deduced for further heat transfer analysis. (3) Results: Numerical study obtains the temperature distribution of biological tissue in MWA. It observes the heat transfer law of ablation antenna in biological tissue. Additionally, combined with temperature threshold, it generates thermal damage of biological tissues and predicts the possible risks in MWA; (4) Conclusions: This work proposes a numerical study of typical biological tissues. It provides a new theoretical basis for clinically thermal ablation surgery.
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20
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Uyanık SA, Öğüşlü U, Çevik H, Atlı E, Yılmaz B, Gümüş B. Percutaneous endobiliary ablation of malignant biliary strictures with a novel temperature-controlled radiofrequency ablation device. ACTA ACUST UNITED AC 2021; 27:102-108. [PMID: 33252335 DOI: 10.5152/dir.2020.20333] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
PURPOSE We aimed to determine the safety and effectiveness of percutaneous endobiliary radiofrequency ablation of malignant biliary obstructions with a temperature-controlled radiofrequency ablation device. METHODS In this single center retrospective study, a total of 62 consecutive patients with malignant biliary obstruction were evaluated. Thirty patients who underwent endobiliary radiofrequency ablation with metallic stent placement were in the study group and 32 patients who underwent only metallic stenting were in the control group. Outcomes of this study were technical success, complications related to the procedure, stent patency, and overall survival. RESULTS All procedures were technically successful in both groups. There was no procedure-related mortality in either group. Procedural complication rates were similar between the groups. Although statistically not significant, the only two major complications (hemobilia requiring endovascular treatment) were in the control group. Median primary stent patency was significantly longer in the study group than in the control group (223 days vs. 158 days; P = 0.016). Median survival rates were also longer in the study group (246 days vs. 198 days; P = 0.004). CONCLUSION Percutaneous endobiliary radiofrequency ablation is safe and feasible with this novel radiofrequency ablation device in patients with malignant biliary obstruction. Percutaneous endobiliary radiofrequency ablation has a potential to improve both stent patency and survival.
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Affiliation(s)
| | - Umut Öğüşlü
- Department of Radiology, Okan University Hospital, Istanbul, Turkey
| | - Halime Çevik
- Department of Radiology, Okan University Hospital, Istanbul, Turkey
| | - Eray Atlı
- Department of Radiology, Okan University Hospital, Istanbul, Turkey
| | - Birnur Yılmaz
- Department of Radiology, Okan University Hospital, Istanbul, Turkey
| | - Burçak Gümüş
- Department of Radiology, Okan University Hospital, Istanbul, Turkey
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21
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Cho JH. Intraductal Radiofrequency Ablation for Residual Adenoma after Endoscopic Papillectomy: An Additional Treatment Modality Expected to Be Safe and Effective. Gut Liver 2021; 15:151-152. [PMID: 33716222 PMCID: PMC7960971 DOI: 10.5009/gnl210080] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Affiliation(s)
- Jae Hee Cho
- Division of Gastroenterology, Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
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22
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Do MY, Cho JH, Jang SI, Lee DK. A review of the recent advances in endoscopic retrograde cholangiography-guided intraductal radiofrequency ablation for malignant biliary strictures. INTERNATIONAL JOURNAL OF GASTROINTESTINAL INTERVENTION 2021. [DOI: 10.18528/ijgii210033] [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: 11/22/2022] Open
Affiliation(s)
- Min Young Do
- Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Jae Hee Cho
- Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Sung Ill Jang
- Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Dong Ki Lee
- Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
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Mao X, Wen F, Liang H, Sun W, Lu Z. A preliminary single-center investigation of percutaneous biliary stenting in malignant hilar biliary obstruction: what impacts the clinical success and the long-term outcomes? Support Care Cancer 2021; 29:6781-6792. [PMID: 33990879 DOI: 10.1007/s00520-021-06271-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 05/04/2021] [Indexed: 11/27/2022]
Abstract
PURPOSE The purpose of this study is to investigate the influencing factors that may impact the clinical success, jaundice-free time, and overall survival in patients of malignant hilar biliary obstruction (MHBO) treated with a self-expanding metallic stent (SEMS). MATERIALS AND METHODS Patients diagnosed with MHBO and treated with SEMS through percutaneous access from 1 Jul. 2013 to 1 Jul. 2018 were enrolled in this monocentric study. Demographic information, disease baseline measurements, and interventional strategies were collected and examined. Bilirubin was measured 1-3 days before and 3-7 days after stenting using the unit of "μmol/L." The bilirubin reduction ratio was compared between different study groups, which were separated by specific characteristics. Univariate and multivariate analyses were performed to evaluate each characteristic's impact on jaundice-free time (JF) and overall survival time (OS). Statistical analyses were conducted using SPSS 14.0, p < 0.05 indicated significance. RESULTS Eighty patients were enrolled. Direct bilirubin (DB) and indirect bilirubin (IB) both significantly decreased after stenting (U = 1575.0, p < 0.001; U = 1541.0, p < 0.001). The DB reduction ratio of the "nearby lymph metastases" group was significantly higher (U = 566.0, p = 0.037). The IB reduction ratio in the "single stent" group was significantly higher (U = 554.0, p = 0.018). Sixty-six cases reached jaundice recurrence, the median JF was 6 months, and the 95% confidence interval was 4.411 ~ 7.589 months. Fifty-eight cases ended in death, the median OS was 7 months, and the 95% confidence interval was 5.759 ~ 8.241 months. "Nearby lymph metastases" and "distant metastases" independently impacted OS (OR = 2.344, p = 0.013; OR = 3.239, p = 0.042). "IB reduction ratio" independently impacted both JF and OS (OR = 0.422, p = 0.021; OR = 0.315, p = 0.001). CONCLUSION The goal of treatment in patients with MHBO is to recover liver function. However, the overall survival is greatly impacted by the presence of metastases. Managing to obtain adequate liver function recovery may improve the long-term outcomes in affected patients.
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Affiliation(s)
- Xiaonan Mao
- Department of Radiology, Shengjing Hospital of China Medical University, Huaxiang Road 39, Shenyang City, 110004, Liaoning Province, China
| | - Feng Wen
- Department of Radiology, Shengjing Hospital of China Medical University, Huaxiang Road 39, Shenyang City, 110004, Liaoning Province, China
| | - Hongyuan Liang
- Department of Radiology, Shengjing Hospital of China Medical University, Huaxiang Road 39, Shenyang City, 110004, Liaoning Province, China
| | - Wei Sun
- Department of Radiology, Shengjing Hospital of China Medical University, Huaxiang Road 39, Shenyang City, 110004, Liaoning Province, China
| | - Zaiming Lu
- Department of Radiology, Shengjing Hospital of China Medical University, Huaxiang Road 39, Shenyang City, 110004, Liaoning Province, China.
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Kuraoka N, Hashimoto S, Matsui S. Endobiliary radiofrequency ablation through an EUS-guided hepaticogastrostomy fistula for hilar malignant biliary stenosis. Endosc Int Open 2021; 9:E699-E700. [PMID: 33937510 PMCID: PMC8062239 DOI: 10.1055/a-1393-5497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
Affiliation(s)
- Naosuke Kuraoka
- Department of Gastroenterology, Saiseikai Kawaguchi General Hospital
| | - Satoru Hashimoto
- Department of Gastroenterology, Saiseikai Kawaguchi General Hospital
| | - Shigeru Matsui
- Department of Gastroenterology, Saiseikai Kawaguchi General Hospital
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25
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Choi YH, Yoon SB, Chang JH, Lee IS. The Safety of Radiofrequency Ablation Using a Novel Temperature-Controlled Probe for the Treatment of Residual Intraductal Lesions after Endoscopic Papillectomy. Gut Liver 2021; 15:307-314. [PMID: 32616684 PMCID: PMC7960966 DOI: 10.5009/gnl20043] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 04/17/2020] [Accepted: 04/23/2020] [Indexed: 12/18/2022] Open
Abstract
Background/Aims Treatment of residual intraductal lesions after endoscopic papillectomy for ampullary adenomas is relatively difficult. Few studies have been conducted using intraductal radiofrequency ablation (RFA) in the treatment of such lesions, and no study has aimed to reduce the side effects of excessive heat caused by RFA. Recently, a temperature-controlled RFA probe was developed to avoid excessive heat. This study aimed to investigate the safety of this new RFA probe in the treatment of intraductal lesions of ampullary adenoma. Methods Patients who received RFA for residual intraductal lesions after endoscopic papillectomy between November 2017 and June 2019 were retrospectively reviewed. A novel temperature- controlled probe (ELRA) was used for intraductal RFA, and clinical data including adverse events were collected. Results Ten patients were included in this study. Intraductal adenomas showed low-grade dysplasia in eight patients and high-grade dysplasia in two patients. The median diameter of intraductal adenomas was 9 mm (range, 5 to 10 mm) in the common bile duct and 5 mm (range, 4 to 11 mm) in the pancreatic duct. Adverse events occurred in three patients (30.0%), of which two were mild pancreatitis and one was asymptomatic biliary stricture. Over a median follow-up period of 253 days, only one patient underwent additional surgery, as the remainder showed no adenomatous lesions on follow-up biopsies. Conclusions The new temperature-controlled RFA probe can be used with acceptable safety for the treatment of residual intraductal lesions after endoscopic papillectomy. Further evaluation through future prospective studies is needed.
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Affiliation(s)
- Young Hoon Choi
- Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Seung Bae Yoon
- Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Jae Hyuck Chang
- Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - In Seok Lee
- Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea
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Cho JH, Jang SI, Lee DK. Recent developments in endoscopic ultrasound-guided radiofrequency ablation for pancreatic lesions. INTERNATIONAL JOURNAL OF GASTROINTESTINAL INTERVENTION 2020. [DOI: 10.18528/ijgii200030] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Affiliation(s)
- Jae Hee Cho
- Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Sung Ill Jang
- Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Dong Ki Lee
- Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
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Inoue T, Ito K, Yoneda M. Novel balloon catheter-based endobiliary radiofrequency ablation system: Ex-vivo experimental study. Dig Endosc 2020; 32:974-978. [PMID: 31916300 DOI: 10.1111/den.13622] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 12/24/2019] [Accepted: 01/05/2020] [Indexed: 12/13/2022]
Abstract
BACKGROUND Endobiliary radiofrequency ablation (RFA) is a promising treatment option for malignant biliary obstruction, but conventional catheter RFA (Conventional-RFA) has several limitations. We examined the feasibility of a novel approach to balloon-based RFA (Balloon-RFA) with an automatic temperature control system in freshly resected pig livers. METHODS Balloon-RFA application was performed in a step-by-step manner at target temperatures of 50°C, 60°C, and 70°C. The temperatures were maintained for 60 s. As a control, Conventional-RFA was performed at 7 W of power for 90 s, 7 W 120 s, 10 W 90 s, and 10 W 120 s. The ablation areas were measured and compared between Balloon-RFA and Conventional-RFA. RESULTS The maximum ablation depths in Balloon-RFA were 1.86 ± 0.53, 2.29 ± 0.31, and 3.19 ± 0.47 mm at target temperatures of 50, 60, and 70°C, respectively. The maximum ablation depths in Conventional-RFA were 2.81 ± 0.46, 4.09 ± 0.45, 3.41 ± 0.58, and 4.27 ± 0.29 mm at 7 W 90 s, 7 W 120 s, 10 W 90 s, and 10 W 120 s, respectively. Differences between the minimum and maximum depths were significantly smaller in Balloon-RFA (0.73 ± 0.31 mm) than in Conventional-RFA (2.00 ± 0.62 mm; P < 0.001). Excessive ablation occurred only in Conventional-RFA (0% vs. 67%; P = 0.005). CONCLUSIONS The novel balloon-based RFA system allows ablation to be finely tuned in order to successfully obtain consistent ablation depths and avoid excessive ablation.
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Affiliation(s)
- Tadahisa Inoue
- Department of Gastroenterology, Aichi Medical University, Aichi, Japan
| | - Kiyoaki Ito
- Department of Gastroenterology, Aichi Medical University, Aichi, Japan
| | - Masashi Yoneda
- Department of Gastroenterology, Aichi Medical University, Aichi, Japan
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Hu C, Li M. In advanced pancreatic cancer: The value and significance of interventional therapy. J Interv Med 2020; 3:118-121. [PMID: 34805920 PMCID: PMC8562155 DOI: 10.1016/j.jimed.2020.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Pancreatic cancer is famous as “the king of cancer” due to its high degree of malignancy, rapid course of disease development, and poor prognosis. Relevant epidemiological studies have indicated that with improvement in people’s standard of living, the morbidity and mortality of pancreatic cancer has increased. At the same time, the disease shows an obvious upward trend worldwide. Pancreatic cancer has become a major public health problem that seriously affects the life and health of people. The present review focuses on the recent advances in interventional therapy such as transcatheter arterial infusion, radiofrequency ablation, microwave ablation, and irreversible electroporation of pancreatic cancer.
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Affiliation(s)
- Chao Hu
- Tongji University School of Medicine, No. 1239 Si Ping Road, Shanghai, 200082, China
| | - Maoquan Li
- Department of Interventional & Vascular Surgery, Tenth People's Hospital of Tongji University, No. 301 Middle Yan Chang Road, Shanghai, 200072, China.,Institute of Interventional & Vascular Surgery, Tongji University, No. 301 Middle Yan Chang Road, Shanghai, 200072, China
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Efficacy and safety of palliative endobiliary radiofrequency ablation using a novel temperature-controlled catheter for malignant biliary stricture: a single-center prospective randomized phase II TRIAL. Surg Endosc 2020; 35:63-73. [PMID: 32488654 DOI: 10.1007/s00464-020-07689-z] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Accepted: 05/27/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND Endobiliary radiofrequency ablation (EB-RFA) has emerged as a palliative treatment for malignant biliary strictures (MBSs); however, concerns about complications related to thermal injury remain. In this study, we evaluated the efficacy and safety of EB-RFA with a novel catheter for MBS. METHODS Patients with inoperable cancer causing MBS were randomly assigned to either the radiofrequency ablation (RFA) group or the non-RFA group. The RFA group underwent EB-RFA at the stricture site with a temperature-controlled catheter (ELRA™; STARmed Co., Goyang, Korea) followed by deployment of a self-expanding metal stent (SEMS). For the non-RFA group, only SEMS placement was performed. The duration of stent patency, overall survival (OS), and 30-day complication rate were evaluated. This trial was registered at ClinicalTrials.gov (number NCT02646514). RESULTS A total of 48 patients were enrolled (24 in each group). During a median follow-up period of 135.0 days (RFA group) and 119.5 days (non-RFA group), the 90-day stent patency rate, median duration of stent patency, and median OS were not different between the groups (58.3% vs. 45.8% [P = 0.386], 132.0 days vs. 116.0 days [P = 0.440], and 244.0 days vs. 180.0 days [P = 0.281], respectively). In the RFA group, procedure-related complications including thermal injury-related complications, such as bile duct perforation or hemobilia, were not reported. The early complication (< 7 days) rates were not different between the groups (4.2% vs. 12.5%, P = 0.609), and there were no late complications (7-30 days) in both groups. CONCLUSION EB-RFA with a temperature-controlled catheter followed by SEMS placement for patients with inoperable MBS can be safe and feasible with acceptable biliary patency.
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Abstract
Endoscopic and percutaneous therapies have been shown to prolong life and reduce morbidity for patients with unresectable advanced stages of primary hepatobiliary malignancies. This article reviews pertinent studies published within the last 5 years that involve locoregional techniques to manage hepatocellular carcinoma, perihilar and distal cholangiocarcinoma. A major emphasis is placed on photodynamic therapy, radiofrequency ablation, irreversible electroporation, and microwave ablation. Technical advances, combinational therapies, and postintervention outcomes are discussed. Despite widespread application, high-quality evidence does not show superiority of any particular locoregional technique for treating advanced hepatobiliary cancers.
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Wang CC, Yang TW, Sung WW, Tsai MC. Current Endoscopic Management of Malignant Biliary Stricture. ACTA ACUST UNITED AC 2020; 56:medicina56030114. [PMID: 32151099 PMCID: PMC7143433 DOI: 10.3390/medicina56030114] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Revised: 03/02/2020] [Accepted: 03/02/2020] [Indexed: 02/07/2023]
Abstract
Biliary and pancreatic cancers occur silently in the initial stage and become unresectable within a short time. When these diseases become symptomatic, biliary obstruction, either with or without infection, occurs frequently due to the anatomy associated with these cancers. The endoscopic management of these patients has changed, both with time and with improvements in medical devices. In this review, we present updated and integrated concepts for the endoscopic management of malignant biliary stricture. Endoscopic biliary drainage had been indicated in malignant biliary obstruction, but the concept of endoscopic management has changed with time. Although routine endoscopic stenting should not be performed in resectable malignant distal biliary obstruction (MDBO) patients, endoscopic biliary drainage is the treatment of choice for palliation in unresectable MDBO patients. Self-expanding metal stents (SEMS) have better stent patency and lower costs compared with plastic stents (PS). For malignant hilum obstruction, PS and uncovered SEMS yield similar short-term outcomes, while a covered stent is not usually used due to a potential unintentional obstruction of contralateral ducts.
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Affiliation(s)
- Chi-Chih Wang
- Institute of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan; (C.-C.W.); (W.-W.S.)
- School of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan;
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
| | - Tzu-Wei Yang
- School of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan;
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
- Institute and Department of Biological Science and Technology, National Chiao Tung University, Hsinchu 30010, Taiwan
| | - Wen-Wei Sung
- Institute of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan; (C.-C.W.); (W.-W.S.)
- School of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan;
- Department of Urology, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
| | - Ming-Chang Tsai
- Institute of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan; (C.-C.W.); (W.-W.S.)
- School of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan;
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
- Correspondence:
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