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Jiang T, Aji T, Ran B, Guo Q, Zhang R, Ahan A, Abulizi A, Tuergan T, Shao Y, Wen H. Collateral circulation caused by end-stage hepatic alveolar echinococcosis. BMC Infect Dis 2023; 23:322. [PMID: 37189056 DOI: 10.1186/s12879-022-07970-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 12/23/2022] [Indexed: 05/17/2023] Open
Abstract
BACKGROUND Hepatic alveolar echinococcosis (HAE), as a benign parasitic disease with malignant infiltrative activity, grows slowly in the liver, allowing sufficient time for collateral vessels to emerge in the process of vascular occlusion. METHODS The portal vein (PV), hepatic vein and hepatic artery were observed by enhanced CT and the inferior vena cava (IVC) by angiography, respectively. Analysis of the anatomical characteristics of the collateral vessels helped to look into the pattern and characteristics of vascular collateralization caused by this specific etiology. RESULTS 33, 5, 12 and 1 patients were included in the formation of collateral vessels in PV, hepatic vein, IVC and hepatic artery, respectively. PV collateral vessels were divided into two categories according to different pathways: type I: portal -portal venous pathway (13 cases) and type II: type I incorporates a portal-systemic circulation pathway (20 cases). Hepatic vein (HV) collateral vessels fell into short hepatic veins. The patients with IVC collateral presented with both vertebral and lumbar venous varices. Hepatic artery collateral vessels emanating from the celiac trunk maintains blood supply to the healthy side of the liver. CONCLUSIONS Due to its special biological nature, HAE exhibited unique collateral vessels that were rarely seen in other diseases. An in-depth study would be of great help to improve our understanding related to the process of collateral vessel formation due to intrahepatic lesions and its comorbidity, in addition to providing new ideas for the surgical treatment of end-stage HAE.
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Affiliation(s)
- Tiemin Jiang
- State Key Laboratory of Pathogenesis, Prevention and Management of High Incidence Diseases in Central Asia, The First Clinical Medical College of Xinjiang Medical University, Urumqi, China
- Department of Hepatobiliary and Hydatid Diseases, Digestive and Vascular Surgery Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, 830054, China
- The First Clinical Medical College of Xinjiang Medical University, Urumqi, 830054, China
| | - Tuerganaili Aji
- State Key Laboratory of Pathogenesis, Prevention and Management of High Incidence Diseases in Central Asia, The First Clinical Medical College of Xinjiang Medical University, Urumqi, China
- Department of Hepatobiliary and Hydatid Diseases, Digestive and Vascular Surgery Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, 830054, China
| | - Bo Ran
- State Key Laboratory of Pathogenesis, Prevention and Management of High Incidence Diseases in Central Asia, The First Clinical Medical College of Xinjiang Medical University, Urumqi, China
- Xinjiang Clinical Research Center for Echinococcosis and Hepatobiliary Diseases, First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Qiang Guo
- State Key Laboratory of Pathogenesis, Prevention and Management of High Incidence Diseases in Central Asia, The First Clinical Medical College of Xinjiang Medical University, Urumqi, China
- Department of Hepatobiliary and Hydatid Diseases, Digestive and Vascular Surgery Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, 830054, China
| | - Ruiqing Zhang
- State Key Laboratory of Pathogenesis, Prevention and Management of High Incidence Diseases in Central Asia, The First Clinical Medical College of Xinjiang Medical University, Urumqi, China
- Xinjiang Clinical Research Center for Echinococcosis and Hepatobiliary Diseases, First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Ayifuhan Ahan
- State Key Laboratory of Pathogenesis, Prevention and Management of High Incidence Diseases in Central Asia, The First Clinical Medical College of Xinjiang Medical University, Urumqi, China
- Department of Hepatobiliary and Hydatid Diseases, Digestive and Vascular Surgery Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, 830054, China
| | - Abuduaini Abulizi
- State Key Laboratory of Pathogenesis, Prevention and Management of High Incidence Diseases in Central Asia, The First Clinical Medical College of Xinjiang Medical University, Urumqi, China
- Department of Hepatobiliary and Hydatid Diseases, Digestive and Vascular Surgery Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, 830054, China
| | - Talaiti Tuergan
- State Key Laboratory of Pathogenesis, Prevention and Management of High Incidence Diseases in Central Asia, The First Clinical Medical College of Xinjiang Medical University, Urumqi, China
- Department of Hepatobiliary and Hydatid Diseases, Digestive and Vascular Surgery Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, 830054, China
| | - Yingmei Shao
- State Key Laboratory of Pathogenesis, Prevention and Management of High Incidence Diseases in Central Asia, The First Clinical Medical College of Xinjiang Medical University, Urumqi, China.
- Xinjiang Clinical Research Center for Echinococcosis and Hepatobiliary Diseases, First Affiliated Hospital of Xinjiang Medical University, Urumqi, China.
| | - Hao Wen
- State Key Laboratory of Pathogenesis, Prevention and Management of High Incidence Diseases in Central Asia, The First Clinical Medical College of Xinjiang Medical University, Urumqi, China.
- Department of Hepatobiliary and Hydatid Diseases, Digestive and Vascular Surgery Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, 830054, China.
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Du F, Yu W, Wang Z, Xie Z, Ren L. Risk factors for post-endoscopic retrograde cholangiopancreatography cholangitis in patients with hepatic alveolar echinococcosis-an observational study. Ann Med 2022; 54:1809-1815. [PMID: 35792762 PMCID: PMC9272917 DOI: 10.1080/07853890.2022.2091792] [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] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND Hepatic alveolar echinococcosis (HAE) is considered to be one of the most deadly chronic parasitic diseases in the world. We have shown that the incidence of cholangitis in patients who underwent endoscopic retrograde cholangiopancreatography (ERCP) was increased significantly. On this finding, we carried out, a preliminary study on the risk factors for cholangitis after ERCP. AIMS To retrospectively detect the risk factors for post-ERCP cholangitis in patients with biliary tract affected by HAE. METHODS The study included data from 51 cases of AE who had undergone therapeutic ERCP between January 2015 and December 2019. Demographic and treatment data were extracted from the medical records, and the association between potential risk factors and the development of post-ERCP cholangitis was evaluated using a collected database. RESULTS There were five cases of mild cholangitis after ERCP (Tokyo criteria), and no moderate or severe cholangitis occurred. The incidence rate of cholangitis after ERCP was 9.8%. Univariate analysis showed hilar bile duct stenosis (p = .016), endoscopic retrograde biliary drainage (p = .007), a stent diameter ≥8.5 Fr (p = .000) and single stent implantation (p = .010) were risk factors for post -ERCP cholangitis. All cases of cholangitis improved under conservative treatment. CONCLUSION Patients with hilar bile duct compression or endoscopic retrograde biliary drainage appeared to be more likely to develop post-ERCP cholangitis. The number and diameter of biliary stents may influence post-ERCP cholangitis. Sample size and clinical heterogeneity are two insurmountable difficulties, and a larger sample size needs to be collected to verify the risk factors for screening. KEY MESSAGESMany studies reported the post-ERCP complications in patients with hepatic alveolar echinococcosis and found that the incidence of post-ERCP cholangitis was significantly high. Therefore, we conducted a preliminary study on the risk factors of postoperative cholangitis in patients who underwent ERCP.The incidence rate of cholangitis after ERCP was 9.8%. We found that hilar bile duct stenosis, and endoscopic retrograde biliary drainage, were risk factors for cholangitis, and stent diameter and the number of stent implantation may influence the incidence rate of cholangitis after ERCP.Sample size and clinical heterogeneity are two insurmountable difficulties, and a larger sample size needs to be collected to verify the risk factors of screening.
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Affiliation(s)
- Fei Du
- Department of Hepatic-Biliary-Pancreatic Surgery, Affiliated Hospital of Qinghai University, Xining, China
| | - Wenhao Yu
- Department of Hepatic-Biliary-Pancreatic Surgery, Affiliated Hospital of Qinghai University, Xining, China
| | - Zhixin Wang
- Department of Hepatic-Biliary-Pancreatic Surgery, Affiliated Hospital of Qinghai University, Xining, China
| | - Zhi Xie
- Department of Hepatic-Biliary-Pancreatic Surgery, Affiliated Hospital of Qinghai University, Xining, China
| | - Li Ren
- Department of Hepatic-Biliary-Pancreatic Surgery, Affiliated Hospital of Qinghai University, Xining, China
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Steinkraus KC, Jötten L, Traub B, Zaimi M, Denzinger M, Michalski CW, Kornmann M, Hüttner FJ. Robotic Liver Surgery for Alveolar Echinococcosis: A Single-Centre Experience. Pathogens 2022; 11:pathogens11111276. [PMID: 36365027 PMCID: PMC9698832 DOI: 10.3390/pathogens11111276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 10/20/2022] [Accepted: 10/30/2022] [Indexed: 11/06/2022] Open
Abstract
Alveolar echinococcosis (AE) is a rare disease caused by Echinococcosis multilocularis, which usually requires multidisciplinary management including surgery as the only curative approach. In recent years, minimally invasive strategies have been increasingly adopted for liver surgery. In particular, robotic surgery enables surgeons to perform even complex liver resections using a minimally invasive approach. However, there are only a few reports on robotic liver surgery for AE. Consecutive patients undergoing robotic liver surgery for AE were analysed based on the prospective database of the Interdisciplinary Robotic Centre of Ulm University Hospital. Between January 2021 and August 2022, a total of 16 patients with AE underwent robotic hepatectomy at our institution. Median age was 55.5 years (23−73), median body mass index (BMI) was 25.8 kg/m2 (20.2−36.8) and 12 patients (75%) were female. Anatomic resections were performed in 14 patients (87.5%), of which 4 patients (25%) underwent major hepatectomies (i.e., resection of >3 segments) including two right hemihepatectomies, one left hemihepatectomy and one extended right hemihepatectomy performed as associating liver partition with portal vein ligation staged (ALPPS) hepatectomy. There was no 90-day mortality, no postoperative bile leakage and no posthepatectomy haemorrhage. One patient developed posthepatectomy liver failure grade B after extended right hemihepatectomy using an ALPPS approach. One patient had to be converted to open surgery and developed an organ-space surgical site infection, for which he was re-admitted and underwent intravenous antibiotic therapy. Median length of postoperative hospital stay was 7 days (4−30). To our knowledge, this is the largest series of robotic liver surgeries for AE. The robotic approach seems safe with promising short-term outcomes in this selected cohort for both minor as well as major resections.
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Gloor S, Candinas D, Beldi G, Lachenmayer A. Laparoscopic resection of hepatic alveolar echinococcosis: A single-center experience. PLoS Negl Trop Dis 2022; 16:e0010708. [PMID: 36067177 PMCID: PMC9447893 DOI: 10.1371/journal.pntd.0010708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 07/29/2022] [Indexed: 12/07/2022] Open
Abstract
Introduction Alveolar echinococcosis (AE) remains a very rare disease requiring complete radical resection for curative treatment. While open approaches are common, safety and efficacy of laparoscopic resections remain unknown. Methods This is a single-center, retrospective cohort study with patients undergoing liver resection for hepatic AE at the Department of Visceral Surgery and Medicine, Bern University Hospital from December 2002 to December 2020. Postoperative outcomes of patients following laparoscopic hepatectomy (LH) for hepatic AE were compared with those of patients undergoing open hepatectomy (OH). Results A total of 93 patients underwent liver resection for hepatic AE. Laparoscopic hepatectomy was performed in 23 patients and open hepatectomy in 70 patients. While there were no significant differences in terms of gender, age and diagnostic tools, the majority of patients of the LH cohort were PNM stage 1 (78%) in contrast to only 39% in the OH cohort (p = 0.002). Patients undergoing laparoscopic hepatectomy were treated by minor liver resections in 91% and in 9% by major liver resections in comparison to the open hepatectomy cohort with 61% major liver resections and 39% minor resections. Laparoscopic hepatectomy was associated with shorter mean operation time (127 minutes vs. 242 minutes, p <0.001), lower major complication rate (0% vs. 11%, p = 0.322) and shorter mean length of hospital stay (4 days vs. 13 days, p <0.001). Patients with LH had a distinct, but not significant lower recurrence rate (0% vs. 4%, p = 0.210) during a mean follow-up of 55 months compared with a follow-up of 76 months in the OH cohort. After subgroup analysis of PNM stage 1 patients, similar results are seen with persistent shorter mean operation time (120 minutes vs. 223 minutes, p <0.001), lower major complication rate (0% vs. 8%, p = 0.759) and shorter length of hospital stay (4 days vs. 12 days, p <0.001). Conclusion Laparoscopy appears as a feasible and safe approach for patients with PNM stage 1 alveolar echinococcosis without impact on early disease recurrence. In this retrospective cohort study laparoscopic hepatectomy for hepatic alveolar echinococcosis had no negative impact on perioperative outcomes, disease recurrence or survival compared with open hepatectomy. The importance of this finding is that the laparoscopic approach is feasible and safe for selected patients with hepatic alveolar echinococcosis, especially those with PNM stage 1.
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Affiliation(s)
- Severin Gloor
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Switzerland
| | - Daniel Candinas
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Switzerland
| | - Guido Beldi
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Switzerland
| | - Anja Lachenmayer
- Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Switzerland
- * E-mail:
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Schweizer M, Schmidberger J, Schlingeloff P, Kratzer W. Contrast-enhanced ultrasound (CEUS) in patients with metastasis-like hepatic alveolar echinococcosis: a cohort study. J Ultrasound 2022; 26:129-136. [PMID: 35597873 PMCID: PMC10063733 DOI: 10.1007/s40477-022-00688-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 04/15/2022] [Indexed: 11/29/2022] Open
Abstract
PURPOSE Hepatic alveolar echinococcosis (HAE) of the metastasis-like pattern, according to the Echinococcus Ulm classification, is usually discovered as an incidental finding, and the diagnostic differentiation from "true metastases" is difficult. The aim of this study was to investigate whether lesions of the "metastasis-like pattern" in HAE show a typical contrast behavior that can be used for differentiation from metastasis in malignancies. METHODS This prospective clinical study included 11 patients with histologically confirmed HAE of the metastasis-like pattern (7 female and 4 male; mean age, 57.1 years; mean disease duration, 59.5 months), who had been examined by B-scan sonography and CEUS, from the National Echinococcosis Registry Germany. RESULTS On contrast-enhanced sonography, 11/11 reference lesions showed annular rim enhancement in the arterial and portal venous phases. Throughout the entire 4-min study period, none of the reference lesions showed central contrast enhancement-i.e., all exhibited a complete "black hole sign". A small central scar was seen in 81.8% of cases. CONCLUSION In clinically unremarkable patients with incidentally detected metastasis-like lesions of the liver, contrast-enhanced sonographic detection of rim enhancement without central contrast uptake (black hole sign) should be considered evidence supporting a diagnosis of hepatic alveolar echinococcosis with a rare metastasis-like pattern. This can help to differentiate HAE from metastases, especially in high-endemic areas.
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Affiliation(s)
- Melissa Schweizer
- Department of Internal Medicine I, University Hospital Ulm, Albert-Einstein-Allee 23, 89081, Ulm, Germany
| | - Julian Schmidberger
- Department of Internal Medicine I, University Hospital Ulm, Albert-Einstein-Allee 23, 89081, Ulm, Germany
| | - Patrycja Schlingeloff
- Department of Internal Medicine I, University Hospital Ulm, Albert-Einstein-Allee 23, 89081, Ulm, Germany
| | - Wolfgang Kratzer
- Department of Internal Medicine I, University Hospital Ulm, Albert-Einstein-Allee 23, 89081, Ulm, Germany.
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Calame P, Weck M, Busse-Cote A, Brumpt E, Richou C, Turco C, Doussot A, Bresson-Hadni S, Delabrousse E. Role of the radiologist in the diagnosis and management of the two forms of hepatic echinococcosis. Insights Imaging 2022; 13:68. [PMID: 35394226 PMCID: PMC8994011 DOI: 10.1186/s13244-022-01190-y] [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: 09/18/2021] [Accepted: 02/15/2022] [Indexed: 11/10/2022] Open
Abstract
Echinococcosis is a parasitic disease caused by two zoonotic tapeworms (cestodes) of the Echinocococcus genus. It can be classified as either alveolar or cystic echinococcosis. Although the two forms differ significantly in terms of imaging findings, they share similarities in terms of management and treatment. In parallel to medical treatment with albendazole (ABZ), and surgery, historically used in these diseases, various imaging-guided interventional procedures have recently emerged (drainage, stenting, or Puncture, aspiration, injection, and reaspiration (PAIR)). These options open up a new range of therapeutic options. As in oncology, multidisciplinary consultation meetings now play a major role in adapted management and patient care in hepatic echinococcosis. Consequently, diagnostic imaging and interventional expertise have brought radiologists to the fore as important members of these multidisciplinary team. The radiologist will need to evaluate parasite activity in both forms of the disease, to guide the choice of the appropriate therapy from among medical treatment, interventional radiology procedures and/or surgical treatment. Knowledge of the specific complications of the two forms of echinococcosis will also help radiologists to discuss the appropriate treatment and management. The aim of this review is to describe the core knowledge that what a radiologist should possess to actively participate in multidisciplinary meetings about hepatic echinococcosis. We discuss the role of imaging, from diagnosis to treatment, in alveolar (AE) and cystic echinococcosis (CE), respectively.
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Affiliation(s)
- Paul Calame
- Department of Radiology, University of Bourgogne Franche-Comté, University Hospital Besançon, 3 Boulevard Fleming, 25030, Besançon, France. .,EA 4662 Nanomedicine Lab, Imagery and Therapeutics, University of Bourgogne Franche-Comté, Besançon, France.
| | - Mathieu Weck
- Department of Radiology, University of Bourgogne Franche-Comté, University Hospital Besançon, 3 Boulevard Fleming, 25030, Besançon, France
| | - Andreas Busse-Cote
- Department of Radiology, University of Bourgogne Franche-Comté, University Hospital Besançon, 3 Boulevard Fleming, 25030, Besançon, France
| | - Eleonore Brumpt
- Department of Radiology, University of Bourgogne Franche-Comté, University Hospital Besançon, 3 Boulevard Fleming, 25030, Besançon, France
| | - Carine Richou
- Department of Hepatology, University of Bourgogne Franche-Comté, University Hospital Besançon, 25030, Besançon, France
| | - Celia Turco
- Department of Digestive Surgery, University of Bourgogne Franche-Comté, University Hospital Besançon, 25030, Besançon, France
| | - Alexandre Doussot
- Department of Digestive Surgery, University of Bourgogne Franche-Comté, University Hospital Besançon, 25030, Besançon, France
| | - Solange Bresson-Hadni
- Laboratoire de Parasitologie-Mycologie, University Hospital Besançon, 25030, Besançon, France.,Centre National de Référence Echinococcoses, University Hospital Besançon, 25030, Besançon, France
| | - Eric Delabrousse
- Department of Radiology, University of Bourgogne Franche-Comté, University Hospital Besançon, 3 Boulevard Fleming, 25030, Besançon, France.,EA 4662 Nanomedicine Lab, Imagery and Therapeutics, University of Bourgogne Franche-Comté, Besançon, France
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Kratzer W, Weimer H, Schmidberger J. Echinococcosis: a Challenge for Liver Sonography. ULTRASCHALL IN DER MEDIZIN (STUTTGART, GERMANY : 1980) 2022; 43:120-145. [PMID: 35211944 DOI: 10.1055/a-1694-5552] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The sonographic findings in alveolar echinococcosis (AE) and cystic echinococcosis (CE) are complex and can pose significant differential diagnostic problems. They may present like complicated cysts or malignant tumors in the liver. We will discuss the diagnostic difficulties and pitfalls of these two diseases based on case histories.
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Affiliation(s)
- Wolfgang Kratzer
- Department of Internal Medicine I, Universitätsklinikum Ulm, Germany
| | - Henriette Weimer
- Department of Internal Medicine I, Universitätsklinikum Ulm, Germany
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Liu C, Fan H, Guan L, Ma L, Ge RL. Evaluation of Allicin Against Alveolar Echinococcosis In Vitro and in a Mouse Model. Acta Parasitol 2022; 67:79-93. [PMID: 34143400 PMCID: PMC8938363 DOI: 10.1007/s11686-021-00434-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 06/03/2021] [Indexed: 01/10/2023]
Abstract
Purpose At present, the chemotherapy for alveolar echinococcosis (AE) is mainly based on albendazole (ABZ). However, more than 20% of patients fail chemotherapy. Therefore, new and more effective treatments are urgently needed. Allicin has been reported to have antibacterial and antiparasitic effects. The objectives of the present study were to investigate the in vivo and in vitro efficacy of allicin against Echinococcus multilocularis (E. multilocularis). Methods The effects of allicin on protoscolex survival and structural changes were evaluated in vitro. The 4-week-old BALB/c male mice used for in vivo modelling underwent inoculation of E. multilocularis protoscoleces by intraperitoneal injection, followed by intragastric administration of allicin for 6 weeks. Then, the effects of allicin on lymphocyte subsets, metacestode growth and host tissue matrix metalloproteinase 2 (MMP2)/MMP9 expression around metacestodes in mice were evaluated. The toxicity of allicin was further evaluated in vivo and in vitro. Results Att 40 μg/mL, allicin showed a killing effect on protoscoleces in vitro and treatment resulted in the destruction of protoscolex structure. Molecular docking showed that allicin could form hydrogen bonds with E. multilocularis cysteine enzymes. After 6 weeks of in vivo allicin treatment, the spleen index of mice was increased and the weight of metacestodes was reduced. Allicin increased the proportion of CD4+ T cells and decreased the proportion of CD8+ T cells in the peripheral blood and spleen. Pathological analysis of the metacestodes showed structural disruption of the germinal and laminated layers after allicin treatment. In addition, allicin inhibited the expression of MMP2 and MMP9 in metacestode-surrounding host tissues. At 160 μg/mL, allicin had no significant toxicity to normal hepatocytes but could inhibit hepatoma cell proliferation. At 30 mg/kg, allicin had no significant hepatorenal toxicity in vivo. Conclusion These results suggest that allicin exerts anti-E. multilocularis effects in vitro and in vivo and can enhance immune function in mice, with the potential to be developed as a lead compound against echinococcosis.
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Affiliation(s)
- Chuanchuan Liu
- Research Center for High Altitude Medicine, Qinghai University, Xining, 810001, China
- Key Laboratory for Echinococcosis, Qinghai University Affiliated Hospital, Xining, 810001, China
- Hepatobiliary and Pancreatic Surgery Department, Qinghai University Affiliated Hospital, Xining, 810001, China
| | - Haining Fan
- Key Laboratory for Echinococcosis, Qinghai University Affiliated Hospital, Xining, 810001, China
- Hepatobiliary and Pancreatic Surgery Department, Qinghai University Affiliated Hospital, Xining, 810001, China
| | - Lu Guan
- Research Center for High Altitude Medicine, Qinghai University, Xining, 810001, China
- Hepatobiliary and Pancreatic Surgery Department, Qinghai University Affiliated Hospital, Xining, 810001, China
| | - Lan Ma
- Research Center for High Altitude Medicine, Qinghai University, Xining, 810001, China.
- Key Laboratory for Echinococcosis, Qinghai University Affiliated Hospital, Xining, 810001, China.
| | - Ri-Li Ge
- Research Center for High Altitude Medicine, Qinghai University, Xining, 810001, China.
- Key Laboratory for Echinococcosis, Qinghai University Affiliated Hospital, Xining, 810001, China.
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Graeter T, Schmidberger J. Stage-Oriented CT Classification and Intermodal Evolution Model in Hepatic Alveolar Echinococcosis. ROFO-FORTSCHR RONTG 2022; 194:532-544. [PMID: 35081647 PMCID: PMC9133419 DOI: 10.1055/a-1710-3669] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Background Alveolar echinococcosis (AE) is one of the most dangerous human parasitoses. The main site of disease manifestation is the liver (about 98 %). The Echinococcus Multilocularis Ulm Classification for Computed Tomography (EMUC-CT), presented in 2016, was the first compilation of CT morphological criteria of hepatic AE. Studies based on EMUC-CT made it possible to draw conclusions about the development of the lesions in the course of disease beyond purely diagnostic typing. Among the most important findings of these precursor studies was that EMUC-CT type IV presented as an initial lesion, whereas EMUC-CT type III lesions were mostly associated with an advanced disease constellation. An intermodal view of image morphological criteria provides further multi-layered indications for lesion evolution. Method With the “Alveolar Echinococcosis Ulm Classification” (AEUC), a revision of the previous EMUC-CT was carried out with stage-oriented reorganization of the primary morphologies. Furthermore, an intermodal classification scheme for the evolution of hepatic AE lesions based on AEUC, MRI Kodama classification, and aspects of ultrasound could be outlined. Results The first stage-oriented CT classification of hepatic AE “AEUC” is based with respect to its lesion characterization on the separate consideration of two classification pillars, the five “primary morphologies”, AEUC I–V (AEUC II–IV with subcriteria) and the five “patterns of calcification”. In addition, an intermodal classification scheme presents five stages of lesion evolution: “initial stage”, “progressive stage”, “advanced stage”, “transitional stage” and “regressive stage”. Conclusion The imaging modalities differ with respect to their visualization of lesion criteria. This underlines the need for unimodal classification systems. Staging of an AE lesion can be done more accurately by evaluating different modalities. Key Points: Citation Format
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Affiliation(s)
- Tilmann Graeter
- Department of Diagnostic and Interventional Radiology, Universitätsklinikum Ulm, Germany
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Impact on Bile Acid Concentrations by Alveolar Echinococcosis and Treatment with Albendazole in Mice. Metabolites 2021; 11:metabo11070442. [PMID: 34357336 PMCID: PMC8307106 DOI: 10.3390/metabo11070442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 06/29/2021] [Accepted: 07/03/2021] [Indexed: 11/17/2022] Open
Abstract
Alveolar echinococcosis (AE) caused by Echinococcus multilocularis is a chronic, progressive liver disease widely distributed in the Northern Hemisphere. The main treatment options include surgical interventions and chemotherapy with benzimidazole albendazole (ABZ). To improve the current diagnosis and therapy of AE, further investigations into parasite-host interactions are needed. This study used liquid chromatography-tandem mass spectrometry (LC-MS/MS) to assess serum and liver tissue bile acid profiles in the i.p. chronic E. multilocularis-infected mouse model and evaluated the effects of the anthelmintic drug ABZ. Additionally, hepatic mRNA and protein expression of enzymes and transporters regulating bile acid concentrations were analyzed. AE significantly decreased unconjugated bile acids in serum and liver tissue. Taurine-conjugated bile salts were unchanged or increased in the serum and unchanged or decreased in the liver. Ratios of unconjugated to taurine-conjugated metabolites are proposed as useful serum markers of AE. The expression of the bile acid synthesis enzymes cytochrome P450 (CYP) 7A1 and aldo-keto reductase (AKR) 1D1 tended to decrease or were decreased in mice with AE, along with decreased expression of the bile acid transporters Na+/taurocholate cotransporting polypeptide (NTCP) and bile salt efflux pump (BSEP). Importantly, treatment with ABZ partially or completely reversed the effects induced by E. multilocularis infection. ABZ itself had no effect on the bile acid profiles and the expression of relevant enzymes and transporters. Further research is needed to uncover the exact mechanism of the AE-induced changes in bile acid homeostasis and to test whether serum bile acids and ratios thereof can serve as biomarkers of AE and for monitoring therapeutic efficacy.
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Peters L, Burkert S, Grüner B. Parasites of the liver - epidemiology, diagnosis and clinical management in the European context. J Hepatol 2021; 75:202-218. [PMID: 33636243 DOI: 10.1016/j.jhep.2021.02.015] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 01/22/2021] [Accepted: 02/03/2021] [Indexed: 12/13/2022]
Abstract
Parasites in the liver cause significant global morbidity and mortality, as they can lead to recurrent cholangitis, cirrhosis, liver failure and cancer. Due to climate change and globalisation, their incidence is increasing, especially in Europe. The correct diagnosis of a hepatic parasite is often delayed because clinicians are unfamiliar with respective entities. Therefore, in this review, we aim to provide clinicians with a comprehensive clinical picture of hepatic parasites and to bring these neglected parasitic liver diseases to the wider attention of hepatology stakeholders in Europe and around the world.
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Affiliation(s)
- Lynn Peters
- University Hospital of Ulm, Department of Internal Medicine III, Division of Infectious Diseases, Albert-Einstein-Allee 23, 89081 Ulm, Germany
| | - Sanne Burkert
- University Hospital of Ulm, Department of Internal Medicine III, Division of Infectious Diseases, Albert-Einstein-Allee 23, 89081 Ulm, Germany
| | - Beate Grüner
- University Hospital of Ulm, Department of Internal Medicine III, Division of Infectious Diseases, Albert-Einstein-Allee 23, 89081 Ulm, Germany.
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Jiang T, Ran B, Guo Q, Zhang R, Duan S, Zhong K, Wen H, Shao Y, Aji T. Use of the ligamentum teres hepatis for outflow reconstruction during ex vivo liver resection and autotransplantation in patients with hepatic alveolar echinococcosis: A case series of 24 patients. Surgery 2021; 170:822-830. [PMID: 33994007 DOI: 10.1016/j.surg.2021.03.040] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 03/03/2021] [Accepted: 03/15/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND Patients with extensive hepatic alveolar echinococcosis might require ex vivo liver resection and autotransplantation to remove the lesion. Patients with extensive vascular invasion will need reconstruction, but the selection of the proper graft is complicated. This study aimed to investigate the effectiveness and adverse events of using the ligamentum teres hepatis as a vascular replacement graft in ex vivo liver resection and autotransplantation. METHODS This was a retrospective case series of patients with hepatic alveolar echinococcosis who underwent ex vivo liver resection and autotransplantation between August 2010 and October 2018 and in whom the ligamentum teres hepatis was used to repair the remnant liver. The operative outcomes, recurrence, and survival were examined. RESULTS Twenty-four patients were included (10 men, 14 women). The anhepatic period was 290 to 672 minutes (median of 450 minutes). The ratio of the remnant liver volume to the standard liver volume was 0.43 to 0.97 (median of 0.71). The blood loss was 1,000 (500-5,000) mL. The postoperative hospital stay was 23 (1-85) days. Of the 24 patients, 3 died after the operation, but those deaths were unrelated to liver vascular complications. CONCLUSION The ligamentum teres hepatis could be used as a vascular replacement graft in ex vivo liver resection and autotransplantation. It has the advantages of convenient specimen extraction, no donor site injury, and no immunological rejection, which has promising clinical application prospects.
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Affiliation(s)
- Tiemin Jiang
- State Key Laboratory of Pathogenesis, Prevention, and Management of High Incidence Diseases in Central Asia, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China; Department of Hepatobiliary and Echinococcosis Surgery, Digestive and Vascular Surgery Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China; Xinjiang Uyghur Autonomous Region Key Laboratory of Echinococcosis, Clinical Medical Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Bo Ran
- State Key Laboratory of Pathogenesis, Prevention, and Management of High Incidence Diseases in Central Asia, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China; Department of Hepatobiliary and Echinococcosis Surgery, Digestive and Vascular Surgery Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China; Xinjiang Uyghur Autonomous Region Key Laboratory of Echinococcosis, Clinical Medical Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Qiang Guo
- State Key Laboratory of Pathogenesis, Prevention, and Management of High Incidence Diseases in Central Asia, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China; Department of Hepatobiliary and Echinococcosis Surgery, Digestive and Vascular Surgery Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China; Xinjiang Uyghur Autonomous Region Key Laboratory of Echinococcosis, Clinical Medical Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Ruiqing Zhang
- State Key Laboratory of Pathogenesis, Prevention, and Management of High Incidence Diseases in Central Asia, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China; Department of Hepatobiliary and Echinococcosis Surgery, Digestive and Vascular Surgery Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China; Xinjiang Uyghur Autonomous Region Key Laboratory of Echinococcosis, Clinical Medical Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Shuai Duan
- State Key Laboratory of Pathogenesis, Prevention, and Management of High Incidence Diseases in Central Asia, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China; Department of Hepatobiliary and Echinococcosis Surgery, Digestive and Vascular Surgery Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China; Xinjiang Uyghur Autonomous Region Key Laboratory of Echinococcosis, Clinical Medical Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Kai Zhong
- State Key Laboratory of Pathogenesis, Prevention, and Management of High Incidence Diseases in Central Asia, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China; Department of Hepatobiliary and Echinococcosis Surgery, Digestive and Vascular Surgery Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China; Xinjiang Uyghur Autonomous Region Key Laboratory of Echinococcosis, Clinical Medical Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Hao Wen
- State Key Laboratory of Pathogenesis, Prevention, and Management of High Incidence Diseases in Central Asia, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China; Department of Hepatobiliary and Echinococcosis Surgery, Digestive and Vascular Surgery Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China; Xinjiang Uyghur Autonomous Region Key Laboratory of Echinococcosis, Clinical Medical Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Yingmei Shao
- State Key Laboratory of Pathogenesis, Prevention, and Management of High Incidence Diseases in Central Asia, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China; Department of Hepatobiliary and Echinococcosis Surgery, Digestive and Vascular Surgery Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China; Xinjiang Uyghur Autonomous Region Key Laboratory of Echinococcosis, Clinical Medical Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Tuerganaili Aji
- State Key Laboratory of Pathogenesis, Prevention, and Management of High Incidence Diseases in Central Asia, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China; Department of Hepatobiliary and Echinococcosis Surgery, Digestive and Vascular Surgery Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China; Xinjiang Uyghur Autonomous Region Key Laboratory of Echinococcosis, Clinical Medical Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China.
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Emerging human alveolar echinococcosis in Hungary (2003-2018): a retrospective case series analysis from a multi-centre study. BMC Infect Dis 2021; 21:168. [PMID: 33568075 PMCID: PMC7877032 DOI: 10.1186/s12879-021-05859-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Accepted: 01/31/2021] [Indexed: 02/06/2023] Open
Abstract
Background Human alveolar echinococcosis (AE) caused by Echinococcus multilocularis is an underreported, often misdiagnosed and mistreated parasitic disease mainly due to its low incidence. The aim of this study was to describe the epidemiological and clinical characteristics of human AE patients in Hungary for the first time. Method Between 2003 and 2018, epidemiological and clinical data of suspected AE patients were collected retrospectively from health database management systems. Results This case series included a total of 16 AE patients. The mean age of patients was 53 years (range: 24–78 years). The sex ratio was 1:1. Four patients (25%) revealed no recurrence after radical surgery and adjuvant albendazole (ABZ) therapy. For five patients (31.3%) with unresectable lesions, a stabilization of lesions with ABZ treatment was achieved. In seven patients (43.8%), progression of AE was documented. The mean diagnostic delay was 33 months (range: 1–122 months). Three AE related deaths (fatality rate 18.8%) were recorded. Conclusions AE is an emerging infectious disease in Hungary with a high fatality rate since based on our results, almost every fifth AE patient died in the study period. Differential diagnosis and appropriate surgical and medical therapy for AE is an urging challenge for clinicians in Hungary, as well as in some other European countries where E. multilocularis is prevalent.
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Graeter T, Bao HH, Shi R, Liu WY, Li WX, Jiang Y, Schmidberger J, Brumpt E, Delabrousse E, Kratzer W. Evaluation of intrahepatic manifestation and distant extrahepatic disease in alveolar echinococcosis. World J Gastroenterol 2020; 26:4302-4315. [PMID: 32848335 PMCID: PMC7422544 DOI: 10.3748/wjg.v26.i29.4302] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 06/09/2020] [Accepted: 07/23/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND The main endemic areas of alveolar echinococcosis (AE) are in Central Europe and Western China. Both the infiltration of intrahepatic vascular and bile duct structures as well as extrahepatic disease can lead to further complications and may increase morbidity in patients with AE.
AIM To evaluate vascular/biliary involvement in hepatic AE and its distant extrahepatic disease manifestations in an international collective was the aim.
METHODS Consecutively, five experienced examiners evaluated contrast-enhanced abdominal computed tomography (CT) scans for 200 patients with hepatic AE of each of four locations (n = 50) in Germany, France and China. Therefore, we retrospectively included the 50 most recent abdominal contrast-enhanced CT examinations at each center, performed because of hepatic AE from September 21, 2007 to March 21, 2018. AE liver lesions were classified according to the echinococcosis multilocularis Ulm classification for CT (EMUC-CT). Distant extrahepatic manifestations were documented either by whole body positron emission tomography–CT or with the addition of thoracic CT and cranial magnetic resonance imaging. Vascular/biliary involvement of the hepatic disease as well as the presence of distant extrahepatic manifestations were correlated with the EMUC-CT types of liver lesion. Statistical analysis was performed using SAS Version 9.4 (SAS Institute Inc., Cary, NC, United States).
RESULTS Distant extrahepatic AE manifestations were significantly more frequent in China than in Europe (P = 0.0091). A significant relationship was found between the presence of distant extrahepatic disease and AE liver lesion size (P = 0.0075). Vascular/biliary structures were involved by the liver lesions significantly more frequently in China than in Europe (P < 0.0001), and vascular/biliary involvement depended on lesion size. Different morphological types of AE liver lesions led to varying frequencies of vascular/biliary involvement and were associated with different frequencies of distant extrahepatic manifestations: Vascular/biliary involvement as a function of lesions primary morphology ranged from 5.88% of type IV liver lesions to 100% among type III lesions. Type IV differed significantly in these associations from types I, II, and III (P < 0.0001). With respect to extrahepatic disease, the primary morphology types IV and V of liver lesions were not associated with any case of distant extrahepatic disease. In contrast, distant extrahepatic manifestations in types I–III were found to varying degrees, with a maximum of 22% for type III.
CONCLUSION Different CT morphological patterns of hepatic AE lesions influence vascular/biliary involvement and the occurrence of distant extrahepatic manifestations. There are intercontinental differences regarding the characteristics of AE manifestation.
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Affiliation(s)
- Tilmann Graeter
- Department of Diagnostic and Interventional Radiology, University Hospital Ulm, Ulm 89081, Germany
| | - Hai-Hua Bao
- Qinghai University, Qinghai University First Affiliated Hospital, Xining 810001, Qinghai Province, China
| | - Rong Shi
- Department of Diagnostic and Interventional Radiology, University Hospital Ulm, Ulm 89081, Germany
| | - Wen-Ya Liu
- Xinjiang Medical University, First Affiliated Hospital, WHO Collaborating Centre on Prevention and Care Management of Echinococcosis, Urumqi 830054, Xinjiang Uyghur Autonomous Region, China
| | - Wei-Xia Li
- Qinghai University, Qinghai University First Affiliated Hospital, Xining 810001, Qinghai Province, China
| | - Yi Jiang
- Xinjiang Medical University, First Affiliated Hospital, WHO Collaborating Centre on Prevention and Care Management of Echinococcosis, Urumqi 830054, Xinjiang Uyghur Autonomous Region, China
| | - Julian Schmidberger
- Department of Internal Medicine I, University Hospital Ulm, Ulm 89081, Germany
| | - Eleonore Brumpt
- WHO Collaborating Centre on Prevention and Treatment of Human Echinococcosis/National French Reference Centre for Echinococcosis, University Bourgogne Franche-Comté and Besançon University Hospital, Besançon 25030, France
| | - Eric Delabrousse
- WHO Collaborating Centre on Prevention and Treatment of Human Echinococcosis/National French Reference Centre for Echinococcosis, University Bourgogne Franche-Comté and Besançon University Hospital, Besançon 25030, France
| | - Wolfgang Kratzer
- Department of Internal Medicine I, University Hospital Ulm, Ulm 89081, Germany
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Kamiyama T. Recent advances in surgical strategies for alveolar echinococcosis of the liver. Surg Today 2019; 50:1360-1367. [DOI: 10.1007/s00595-019-01922-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Accepted: 10/16/2019] [Indexed: 02/07/2023]
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A new treatment strategy for end-stage hepatic alveolar echinococcosis: IVC resection without reconstruction. Sci Rep 2019; 9:9419. [PMID: 31263143 PMCID: PMC6602961 DOI: 10.1038/s41598-019-45968-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 06/18/2019] [Indexed: 12/28/2022] Open
Abstract
Patients with hepatic alveolar echinococcosis (HAE) infringing on the inferior vena cava (IVC) have a poor prognosis when radical resection cannot be performed because curative resection is limited by IVC reconstruction. There is little information concerning combined resection of the liver and the IVC. This study explored a novel treatment method for HAE infringing on the IVC and evaluated the safety and feasibility of combined resection of the liver and the IVC. A total of 13 patients were treated with liver resection combined with IVC resection for end-stage HAE between January 2016 and July 2018 at the Affiliated Hospital of Qinghai University. The demographic, clinical, and follow-up data were collected and analysed. The 13 patients underwent resection of the IVC without reconstruction. Of these, 3 exhibited oedema of both lower limbs and the scrotum (23.1%), 2 exhibited pneumothorax (15.4%), 1 exhibited bile leakage (7.7%), 1 exhibited bacteraemia (7.7%), and 1 developed abdominal haemorrhage that was stopped with conservative treatment (7.7%). There was 1 case of operation-related mortality because of upper gastrointestinal haemorrhage (7.7%), and no patients developed recurrence or had residual lesions. Liver resection combined with IVC resection is effective and feasible for patients with HAE infringing on the IVC.
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Kuscher S, Kronberger IE, Loizides A, Plaikner M, Ninkovic M, Brunner A, Auer H, Gassner EM, Öfner D, Schneeberger S. Exploring the limits of hepatic surgery for alveolar echinococcosis—10-years’ experience in an endemic area of Austria. Eur Surg 2019. [DOI: 10.1007/s10353-019-0596-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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18
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Wen H, Vuitton L, Tuxun T, Li J, Vuitton DA, Zhang W, McManus DP. Echinococcosis: Advances in the 21st Century. Clin Microbiol Rev 2019; 32:e00075-18. [PMID: 30760475 PMCID: PMC6431127 DOI: 10.1128/cmr.00075-18] [Citation(s) in RCA: 476] [Impact Index Per Article: 95.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Echinococcosis is a zoonosis caused by cestodes of the genus Echinococcus (family Taeniidae). This serious and near-cosmopolitan disease continues to be a significant public health issue, with western China being the area of highest endemicity for both the cystic (CE) and alveolar (AE) forms of echinococcosis. Considerable advances have been made in the 21st century on the genetics, genomics, and molecular epidemiology of the causative parasites, on diagnostic tools, and on treatment techniques and control strategies, including the development and deployment of vaccines. In terms of surgery, new procedures have superseded traditional techniques, and total cystectomy in CE, ex vivo resection with autotransplantation in AE, and percutaneous and perendoscopic procedures in both diseases have improved treatment efficacy and the quality of life of patients. In this review, we summarize recent progress on the biology, epidemiology, diagnosis, management, control, and prevention of CE and AE. Currently there is no alternative drug to albendazole to treat echinococcosis, and new compounds are required urgently. Recently acquired genomic and proteomic information can provide a platform for improving diagnosis and for finding new drug and vaccine targets, with direct impact in the future on the control of echinococcosis, which continues to be a global challenge.
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Affiliation(s)
- Hao Wen
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asia and WHO Collaborating Centre for Prevention and Care Management of Echinococcosis, Urumqi, China
| | - Lucine Vuitton
- WHO Collaborating Centre for Prevention and Treatment of Human Echinococcosis and French National Centre for Echinococcosis, University Bourgogne Franche-Comte and University Hospital, Besançon, France
| | - Tuerhongjiang Tuxun
- Department of Liver and Laparoscopic Surgery, Digestive and Vascular Surgery Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Jun Li
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asia and WHO Collaborating Centre for Prevention and Care Management of Echinococcosis, Urumqi, China
- Clinical Medical Research Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Dominique A Vuitton
- WHO Collaborating Centre for Prevention and Treatment of Human Echinococcosis and French National Centre for Echinococcosis, University Bourgogne Franche-Comte and University Hospital, Besançon, France
| | - Wenbao Zhang
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asia and WHO Collaborating Centre for Prevention and Care Management of Echinococcosis, Urumqi, China
- Clinical Medical Research Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Donald P McManus
- Molecular Parasitology Laboratory, Infectious Diseases Division, QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
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Hepatic alveolar hydatid disease (Echinococcus multilocularis), a mimic of liver malignancy: a review for the radiologist in non-endemic areas. Clin Radiol 2019; 74:247-256. [PMID: 30755313 DOI: 10.1016/j.crad.2019.01.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Accepted: 01/08/2019] [Indexed: 12/15/2022]
Abstract
Alveolar hydatid disease or alveolar echinococcosis (AE) is caused by the parasite Echinococcus multilocularis and is increasingly seen as an imported disease in non-endemic areas such as the UK. It is rare compared to cystic echinococcosis (CE), but like CE commonly affects the liver. AE does have imaging features that can aid in diagnosis, but is often initially misdiagnosed as liver malignancy. It is usually fatal if untreated, underscoring the importance of early diagnosis. This review highlights the role of imaging in AE diagnosis with the broader objective of increasing radiologists' awareness of this unusual, but increasingly prevalent disease.
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Dumortier J, Valette PJ. Transjugular intrahepatic portosystemic shunt for alveolar echinococcosis of the liver and Budd-Chiari syndrome. Clin Res Hepatol Gastroenterol 2018; 42:e61-e62. [PMID: 29891417 DOI: 10.1016/j.clinre.2017.11.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Accepted: 11/20/2017] [Indexed: 02/07/2023]
Affiliation(s)
- Jérôme Dumortier
- Department of digestive diseases, Edouard-Herriot hospital, Hospices civils de Lyon, Lyon, France; Claude-Bernard Lyon 1 university, Lyon, France.
| | - Pierre-Jean Valette
- Claude-Bernard Lyon 1 university, Lyon, France; Department of digestive radiology, Edouard-Herriot hospital, Hospices civils de Lyon, Lyon, France
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Dagoglu-Kartal MG, Ciftci T, Ozer C, Akinci D, Akhan O. Case Report: Role of Interventional Radiology in the Management of Patients with Alveolar Echinococcus: Successful Management of Three Cases. Am J Trop Med Hyg 2018; 98:1403-1407. [PMID: 29611496 DOI: 10.4269/ajtmh.17-0089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Alveolar echinococcus (AE) is an infestation by Echinococcus multilocularis. Partial hepatectomy or liver transplantation is the first choice of treatment. However, the disease is usually diagnosed at an unresectable stage. In those cases, invasion of the bile ducts and vessels, and necrosis in the center of the lesion lead to severe complications, such as cholangitis and liver abscesses. Palliative surgery has been reported to not offer advantages in management, and percutaneous and endoscopic interventions have become more prominent in management. In this case series, outcomes in three cases with unresectable AE were reported. In one of the cases, interventional procedures were used to manage the complications after surgery. In the second case, the cystic component was aspirated to decrease the size before the surgery and in the third case, it was used to drain biliary tree and no surgery was done.
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Affiliation(s)
| | - Turkmen Ciftci
- Department of Radiology, School of Medicine, Hacettepe University, Ankara, Turkey
| | - Cigdem Ozer
- Numune Training and Research Hospital Radiology Clinic, Ankara, Turkey
| | - Devrim Akinci
- Department of Radiology, School of Medicine, Hacettepe University, Ankara, Turkey
| | - Okan Akhan
- Department of Radiology, School of Medicine, Hacettepe University, Ankara, Turkey
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Yang X, Qiu Y, Wang W, Feng X, Shen S, Li B, Wen T, Yang J, Xu M, Chen Z, Yan L. Risk factors and a simple model for predicting bile leakage after radical hepatectomy in patients with hepatic alveolar echinococcosis. Medicine (Baltimore) 2017; 96:e8774. [PMID: 29145333 PMCID: PMC5704878 DOI: 10.1097/md.0000000000008774] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Postoperative bile leakage (BL) is a major complication of hepatic alveolar echinococcosis (HAE). The purpose of this study was to identify the risk factors for BL and to establish a simple scoring system for predicting BL.A total of 152 patients with HAE were included in the study between May 2004 and December 2016. The patient's baseline data, laboratory blood tests, imaging features, and surgical management were collected. Univariate and multivariate analyses were used to screen for factors to predict BL. The cutoff values for those factors and predictive value of a model were determined by receiver operative characteristic curve (ROC) analysis.BL was detected in 22 of the 152 patients. Univariate analyses showed significant differences in the lesion diameter, levels of lactate dehydrogenase (LDH), alkaline phosphatase, aspartate aminotransferase, alanine aminotransferase and direct bilirubin (DBIL), inferior vena cava invasion, surface area of hepatectomy, blood loss and history of percutaneous transhepatic cholangial drainage between patients with and without BL. On multivariate analyses, DBIL > 7.1 μmol/L, LDH > 194 U/L, lesion diameter > 12 cm and a larger surface area of hepatectomy were independent predictors of BL. The resulting area under the ROC of the scoring model was 0.724 (95% CI, 0.646-0.793).The lesion diameter, DBIL, larger surface area of hepatectomy, and elevated LDH were the important factors affecting the occurrence of BL after surgery. The risk score model will help the clinician to assess BL before surgery. More studies are needed to confirm the scoring model and risk factors.
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Li W, Han J, Wu ZP, Wu H. Surgical management of liver diseases invading the hepatocaval confluence based on IH classification: The surgical guideline in our center. World J Gastroenterol 2017; 23:3702-3712. [PMID: 28611523 PMCID: PMC5449427 DOI: 10.3748/wjg.v23.i20.3702] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Revised: 01/15/2017] [Accepted: 04/13/2017] [Indexed: 02/06/2023] Open
Abstract
AIM to investigate the short-term outcomes and risk factors indicating postoperative death of patients with lesions adjacent to the hepatocaval confluence.
METHODS We retrospectively analyzed 54 consecutive patients who underwent hepatectomy combined with inferior vena cava (IVC) and/or hepatic vein reconstruction (HVR) from January 2012 to January 2016 at our liver surgery center. The patients were divided into 5 groups according to the range of IVC and hepatic vein involvement. The patient details, indications for surgery, operative techniques, intra- and postoperative outcomes were compared among the 5 groups. Univariate and multivariate analyses were performed to explore factors predictive of overall operative death.
RESULTS IVC replacement was carried out in 37 (68.5%) patients and HVR in 17 (31.5%) patients. Type I2H2 had the longest operative blood loss, operative duration and overall liver ischemic time (all, P < 0.05). Three patients of Type I3H1 with totally occluded IVC did not need IVC reconstruction. Total postoperative morbidity rate was 40.7% (22 patients) and the operative mortality rate was 16.7% (9 patients). Factors predictive of operative death included IVC replacement (P = 0.048), duration of liver ischemia (P = 0.005) and preoperative liver function being Child-Pugh B (P = 0.025).
CONCLUSION IVC replacement, duration of liver ischemia and preoperative poor liver function were risk factors predictive of postoperative death. We should be cautious about IVC replacement, especially in Type I2H2. For Type I3H1, it was unnecessary to replace IVC when the collateral circulation was established.
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Kern P, Menezes da Silva A, Akhan O, Müllhaupt B, Vizcaychipi KA, Budke C, Vuitton DA. The Echinococcoses: Diagnosis, Clinical Management and Burden of Disease. ADVANCES IN PARASITOLOGY 2017; 96:259-369. [PMID: 28212790 DOI: 10.1016/bs.apar.2016.09.006] [Citation(s) in RCA: 258] [Impact Index Per Article: 36.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The echinococcoses are chronic, parasitic diseases that are acquired after ingestion of infective taeniid tapeworm eggs from certain species of the genus Echinococcus. Cystic echinococcosis (CE) occurs worldwide, whereas, alveolar echinococcosis (AE) is restricted to the northern hemisphere, and neotropical echinococcosis (NE) has only been identified in Central and South America. Clinical manifestations and disease courses vary profoundly for the different species of Echinococcus. CE presents as small to large cysts, and has commonly been referred to as 'hydatid disease', or 'hydatidosis'. A structured stage-specific approach to CE management, based on the World Health Organization (WHO) ultrasound classification of liver cysts, is now recommended. Management options include percutaneous sterilization techniques, surgery, drug treatment, a 'watch-and-wait' approach or combinations thereof. In contrast, clinical manifestations associated with AE resemble those of a 'malignant', silently-progressing liver disease, with local tissue infiltration and metastases. Structured care is important for AE management and includes WHO staging, drug therapy and long-term follow-up for at least a decade. NE presents as polycystic or unicystic disease. Clinical characteristics resemble those of AE, and management needs to be structured accordingly. However, to date, only a few hundreds of cases have been reported in the literature. The echinococcoses are often expensive and complicated to treat, and prospective clinical studies are needed to better inform case management decisions.
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Affiliation(s)
- P Kern
- University Hospital of Ulm, Ulm, Germany
| | | | - O Akhan
- Hacettepe University, Ankara, Turkey
| | - B Müllhaupt
- University Hospital of Zurich, Zürich, Switzerland
| | - K A Vizcaychipi
- National Institute of Infectious Diseases, Buenos Aires, Argentina
| | - C Budke
- Texas A&M University, College Station, TX, United States
| | - D A Vuitton
- Université de Franche-Comté, Besançon, France
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Ambregna S, Koch S, Sulz MC, Grüner B, Öztürk S, Chevaux JB, Sulima M, de Gottardi A, Napoléon B, Abergel A, Bichard P, Boytchev I, Deprez P, Dumortier J, Frossard JL, Kull E, Meny B, Moradpour D, Prat F, Vanbiervliet G, Thevenot T, Vuitton DA, Bresson-Hadni S, Vuitton L. A European survey of perendoscopic treatment of biliary complications in patients with alveolar echinococcosis. Expert Rev Anti Infect Ther 2016; 15:79-88. [PMID: 27788612 DOI: 10.1080/14787210.2017.1252260] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND Biliary complications represent a turning point in the course of Alveolar Echinococcosis (AE). We conducted a European survey to collect data on the current usage and results of perendoscopic interventions (PEIs) for their treatment. METHODS Patient's characteristics and follow-up until January 31st, 2015 were recorded using an online questionnaire. RESULTS From 18 centers 129 PEIs were analyzed in 38 patients; 139 plastic stents were inserted during 85 PEIs; median time between stent placements was significantly longer when 3 stents or more were placed. Initial symptoms disappeared in 95% and long-term bile duct patency was obtained in 73% of cases. Cholangitis was a more frequent complication of the PEIs (10%) than in other indications; intensive lavage of the bile ducts may prevent this complication. CONCLUSION European centers use perendoscopic biliary drainage as an efficient and safe alternative to surgery to treat AE biliary complications. Insertion of multiple plastic stents delays stent occlusion and leads to effective and prolonged bile duct patency.
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Affiliation(s)
- Sylvain Ambregna
- a WHO Collaborating Centre for the Prevention and Treatment of Human Echinococcosis; Centre National de Référence pour l'Echinococcose alvéolaire; & Department of Gastroenterology, Digestive Endoscopy and Nutrition , University of Franche-Comté and University Hospital , Besançon , France
| | - Stéphane Koch
- a WHO Collaborating Centre for the Prevention and Treatment of Human Echinococcosis; Centre National de Référence pour l'Echinococcose alvéolaire; & Department of Gastroenterology, Digestive Endoscopy and Nutrition , University of Franche-Comté and University Hospital , Besançon , France
| | - Michael C Sulz
- b Division of Gastroenterology and Hepatology , Kantonsspital , St. Gall , Switzerland
| | | | | | | | - Małgorzata Sulima
- e Institute of Maritime and Tropical Medicine in Gdynia , Medical University of Gdynia , Poland
| | | | - Bertrand Napoléon
- g Gastroenterology department, Mermoz Private Hospital , Générale de Santé , Lyon , France
| | - Armand Abergel
- h Gastroenterology and Hepatology department , University Hospital , Clermont-Ferrand , France
| | - Philippe Bichard
- i Gastroenterology and Hepatology department , University Hospital , Grenoble , France
| | - Isabelle Boytchev
- j Gastroenterology department , Kremlin-Bicêtre University Hospital , Paris , France
| | - Pierre Deprez
- k Gastroenterology department , Saint-Luc University Hospital , Brussels , Belgium
| | - Jerome Dumortier
- l Department of digestive diseases , Edouard Herriot University Hospital , Lyon , France
| | - Jean-Louis Frossard
- m Hepato-Pancreato-Biliary Centre , University Hospital , Geneva , Switzerland
| | - Eric Kull
- n Gastroenterology and Hepatology department , Regional Hospital , Metz , France
| | - Bernard Meny
- o Gastroenterology unit , Clinique Drevon , Dijon , France
| | - Darius Moradpour
- p Gastroenterology and Hepatology department , University Hospital , Lausanne , Switzerland
| | - Fréderic Prat
- q Gastroenterology department , Cochin University Hospital , Paris , France
| | | | - Thierry Thevenot
- a WHO Collaborating Centre for the Prevention and Treatment of Human Echinococcosis; Centre National de Référence pour l'Echinococcose alvéolaire; & Department of Gastroenterology, Digestive Endoscopy and Nutrition , University of Franche-Comté and University Hospital , Besançon , France
| | - Dominique Angèle Vuitton
- a WHO Collaborating Centre for the Prevention and Treatment of Human Echinococcosis; Centre National de Référence pour l'Echinococcose alvéolaire; & Department of Gastroenterology, Digestive Endoscopy and Nutrition , University of Franche-Comté and University Hospital , Besançon , France
| | - Solange Bresson-Hadni
- a WHO Collaborating Centre for the Prevention and Treatment of Human Echinococcosis; Centre National de Référence pour l'Echinococcose alvéolaire; & Department of Gastroenterology, Digestive Endoscopy and Nutrition , University of Franche-Comté and University Hospital , Besançon , France
| | - Lucine Vuitton
- a WHO Collaborating Centre for the Prevention and Treatment of Human Echinococcosis; Centre National de Référence pour l'Echinococcose alvéolaire; & Department of Gastroenterology, Digestive Endoscopy and Nutrition , University of Franche-Comté and University Hospital , Besançon , France
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Vuitton DA, Azizi A, Richou C, Vuitton L, Blagosklonov O, Delabrousse E, Mantion GA, Bresson-Hadni S. Current interventional strategy for the treatment of hepatic alveolar echinococcosis. Expert Rev Anti Infect Ther 2016; 14:1179-1194. [DOI: 10.1080/14787210.2016.1240030] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Patkowski W, Kotulski M, Remiszewski P, Grąt M, Zieniewicz K, Kobryń K, Najnigier B, Ziarkiewicz-Wróblewska B, Krawczyk M. Alveococcosis of the liver - strategy of surgical treatment with special focus on liver transplantation. Transpl Infect Dis 2016; 18:661-666. [PMID: 27416884 DOI: 10.1111/tid.12574] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2015] [Revised: 11/10/2015] [Accepted: 04/29/2016] [Indexed: 01/28/2023]
Abstract
BACKGROUND Echinococcosis is a zoonosis caused by infestation with any of 4 (of the 16) members of the Echinococcus genus, namely Echinococcus granulosus, Echinococcus multilocularis, Echinococcus oligarthus, and Echinococcus vogelii. The aim of this retrospective analysis was to present the outcomes of patients undergoing liver resection and liver transplantation (LT) for E. multilocularis infection. METHODS A total of 44 patients who underwent surgical treatment of E. multilocularis infection in the period between 1989 and 2014 were included in the study cohort and retrospectively analyzed. RESULTS LT was performed in 22 patients (50.0%), including 4 of 26 patients undergoing initial non-transplant management. Non-transplant procedures comprised liver resection in 23 patients (88.5%), diagnostic laparoscopy in 2 (7.7%), and left adrenalectomy in 1 patient (3.8%). Post-transplantation survival rates were 90%, 85%, and 75% at 1, 5, and 10 years, respectively. CONCLUSION In conclusion, LT for E. multilocularis infection is a safe and effective treatment method.
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Affiliation(s)
- W Patkowski
- Department of General, Transplant and Liver Surgery, Medical University of Warsaw, Warsaw, Poland.
| | - M Kotulski
- Department of General, Transplant and Liver Surgery, Medical University of Warsaw, Warsaw, Poland
| | - P Remiszewski
- Department of General, Transplant and Liver Surgery, Medical University of Warsaw, Warsaw, Poland
| | - M Grąt
- Department of General, Transplant and Liver Surgery, Medical University of Warsaw, Warsaw, Poland
| | - K Zieniewicz
- Department of General, Transplant and Liver Surgery, Medical University of Warsaw, Warsaw, Poland
| | - K Kobryń
- Department of General, Transplant and Liver Surgery, Medical University of Warsaw, Warsaw, Poland
| | - B Najnigier
- Department of General, Transplant and Liver Surgery, Medical University of Warsaw, Warsaw, Poland
| | | | - M Krawczyk
- Department of General, Transplant and Liver Surgery, Medical University of Warsaw, Warsaw, Poland
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Li W, Wu H. Multiorgan resection with inferior vena cava reconstruction for hepatic alveolar echinococcosis: A case report and literature review. Medicine (Baltimore) 2016; 95:e3768. [PMID: 27281076 PMCID: PMC4907654 DOI: 10.1097/md.0000000000003768] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Alveolar echinococcosis (AE) is a life-threatening parasitic disease characterized by its tumor-like growth. Radical operation is deemed the curable method for AE treatment if R0-resection is achievable. We present a 26-year-old AE patient with AE lesions invading the right lobe of the liver, the inferior vena cava, inferior lobe of right lung, the right hemidiaphragm, and the right kidney. On the basis of precise preoperative and intraoperative evaluations, a radical surgery that removed the huge lesion en bloc was performed successfully with skillful surgical techniques. This patient had an uneventful postoperative recovery and a good prognosis. Multiorgan resection is justified and unavoidable in selected patients when AE lesions invade different organs and the main vascular structures.
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Affiliation(s)
| | - Hong Wu
- ∗Correspondence: Hong Wu, Department of Liver Surgery, West China Hospital of Sichuan University, Chengdu 610041, China (e-mail: )
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Massit H, Seddik H, Basr H, Benkirane A. [Endoscopic treatment of biliary complications of hepatic hydatid disease]. Pan Afr Med J 2016; 22:67. [PMID: 26834920 PMCID: PMC4725666 DOI: 10.11604/pamj.2015.22.67.7616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2015] [Accepted: 09/15/2015] [Indexed: 11/11/2022] Open
Affiliation(s)
- Hanane Massit
- Service d'Hépato-Gastroentérologie II, Hôpital Militaire d'Instruction Med V, Rabat, Maroc
| | - Hassan Seddik
- Service d'Hépato-Gastroentérologie II, Hôpital Militaire d'Instruction Med V, Rabat, Maroc
| | - Hanane Basr
- Service d'Hépato-Gastroentérologie II, Hôpital Militaire d'Instruction Med V, Rabat, Maroc
| | - Ahmed Benkirane
- Service d'Hépato-Gastroentérologie II, Hôpital Militaire d'Instruction Med V, Rabat, Maroc
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