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Kitaura S, Okamoto K. The effect of infectious diseases on lung transplantation in Japan. J Thorac Dis 2024; 16:1632-1644. [PMID: 38505071 PMCID: PMC10944739 DOI: 10.21037/jtd-22-1884] [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] [Received: 01/04/2023] [Accepted: 01/04/2024] [Indexed: 03/21/2024]
Abstract
Lung transplantation in Japan is an increasingly accessible treatment option for end-stage lung disease; however, the lack of donor organs is a persisting challenge. Five- and 10-year survival rates of lung transplant recipients in Japan are comparable, if not superior, to international standards. The outcomes of lung transplantation in Japan are likely affected by multiple factors. Infectious disease complications are a significant burden to transplant recipients and account for approximately 30% of recipient mortality in Japan, presenting a major challenge in peri-transplant management. Herein, we explore the current status of infectious disease epidemiology, available evidence surrounding infectious diseases in lung transplantation, and potentially influential factors pertinent to lung transplantation outcomes in Japan. Although infection remains the major cause of morbidity and mortality associated with lung transplantation in Japan, there is limited data and evidence. Despite some uncertainties, publicly available data suggests a low rate of antimicrobial resistance in Gram-negative bacteria and a distinct set of endemic pathogens that recipients may encounter. As a countermeasure against the burden of infectious diseases, 8 out of 10 transplant centers in Japan have a dedicated infectious diseases department. Despite these efforts, specific surveillance, prevention, and management are indispensable to improving post-transplantation infectious disease management. We accordingly lay out potential areas for improving infectious disease-related outcomes among lung transplant recipients in Japan.
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Affiliation(s)
- Satoshi Kitaura
- Department of Infectious Diseases, The University of Tokyo Hospital, Tokyo, Japan
- Virology 1, National Institute of Infectious Diseases, Tokyo, Japan
| | - Koh Okamoto
- Department of Infectious Diseases, The University of Tokyo Hospital, Tokyo, Japan
- Division of Infection Control and Prevention, Department of Infectious Diseases, Tokyo Medical and Dental University Hospital, Tokyo, Japan
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Basic Operative Tactics for Pulmonary Echinococcosis in the Era of Endostaplers and Energy Devices. Medicina (B Aires) 2023; 59:medicina59030543. [PMID: 36984545 PMCID: PMC10056258 DOI: 10.3390/medicina59030543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 03/05/2023] [Accepted: 03/07/2023] [Indexed: 03/14/2023] Open
Abstract
Human echinococcosis is a zoonotic infection caused by the larvae of the tapeworm species Echinococcus. The liver is the most common location for a primary echinococcosis. However, the parasite may bypass or spread from the liver to the lungs, causing primary or secondary pulmonary echinococcosis, respectively. Pulmonary echinococcosis is a clinically challenging condition in which anthelminthic regiments are important, but surgery has the central role in removing the cysts and preventing recurrences. Surgical treatment may involve cystotomy, enucleation, capitonnage, or atypical resections, which occasionally are in combination with hepatic procedures. The utilization of modern devices is greatly underdescribed in surgery for thoracic infections, even though these facilitate much of the work. Therefore, this article aims to describe pulmonary echinococcosis and the role of modern surgical devices in the treatment process. Furthermore, we report surgical treatment of three different cases of pulmonary echinococcosis. Surgeries of uncomplicated and ruptured hepatic or pulmonary cysts are described. Simple small pulmonary echinococcal lesions can be excised by endostaplers both for diagnostic and curative reasons. Larger cysts can be removed by energy devices unless large bronchial air leaks occur. Complicated cysts require treatment by more extensive techniques. Inexperienced surgeons should not abstain but should carefully decide preoperatively how to proceed.
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Alveolar Echinococcosis in a Patient with Presumed Autoimmune Hepatitis and Primary Sclerosing Cholangitis: An Unexpected Finding after Liver Transplantation. Pathogens 2023; 12:pathogens12010073. [PMID: 36678421 PMCID: PMC9864521 DOI: 10.3390/pathogens12010073] [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: 11/24/2022] [Revised: 12/09/2022] [Accepted: 12/16/2022] [Indexed: 01/04/2023] Open
Abstract
Primary sclerosing cholangitis is an important reason for liver transplantation. Hepatic alveolar echinococcosis (AE) is caused by Echinococcus multilocularis and presents characteristic calcified conglomerates detected by ultrasound or computed tomography scan of the liver. Symptoms of AE only occur after a long period of infection when cholestasis or cholangitis becomes apparent. Here, we report on a patient with presumed autoimmune hepatitis and primary sclerosing cholangitis. After liver transplantation, alveolar echinococcosis was diagnosed in the liver explant.
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Autier B, Gottstein B, Millon L, Ramharter M, Gruener B, Bresson-Hadni S, Dion S, Robert-Gangneux F. Alveolar echinococcosis in immunocompromised hosts. Clin Microbiol Infect 2022; 29:593-599. [PMID: 36528295 DOI: 10.1016/j.cmi.2022.12.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 12/02/2022] [Accepted: 12/06/2022] [Indexed: 12/23/2022]
Abstract
BACKGROUND Alveolar echinococcosis (AE) results of an infection with the larval stage of Echinococcus multilocularis. It has been increasingly described in individuals with impaired immune responsiveness. OBJECTIVES This narrative review aims at describing the presentation of AE according to the type of immune impairment, based on retrospective cohorts and case reports. Implications for patient management and future research are proposed accordingly. SOURCES Targeted search was conducted in PubMed using ((alveolar echinococcosis) OR (multilocularis)) AND ((immunosuppressive) OR (immunodeficiency) OR (AIDS) OR (solid organ transplant) OR (autoimmunity) OR (immune deficiency)). Only publications in English were considered. CONTENT Seventeen publications were found, including 13 reports of 55 AE in immunocompromised patients (AE/IS) and 4 retrospective studies of 755 AE immunocompetent patients and 115 AE/IS (13%). The cohorts included 9 (1%) solid organ transplantation (SOT) recipients, 2 (0.2%) HIV patients, 41 (4.7%) with chronic inflammatory/autoimmune diseases (I/AID) and 72 (8.3%) with malignancies. SOT, I/AID and malignancies, but not HIV infection, were significantly associated with AE (odds ratios of 10.8, 1.6, 5.9, and 1.3, respectively). Compared to AE immunocompetent patients, AE/IS was associated with earlier diagnosis (PNM stages I-II: 49/85 (58%) vs. 137/348 (39%), p < 0.001), high rate of atypical imaging (24/50 (48%) vs. 106/375 (28%), p < 0.01), and low sensitivity of serology (19/77 (25%) vs. 265/329 (81%), p < 0.001). Unusually extensive or disseminated infections were described in SOT and I/AID patients. IMPLICATIONS Patients who live in endemic areas should benefit from serology before onset of a long-term immunosuppressive therapy, even if the cost-benefit ratio has to be evaluated. Physicians should explain AE to immunocompromised patients and think about AE when finding a liver lesion. Further research should address gaps in knowledge of AE/IS. Especially, extensive and accurate records of AE cases have to be collected by multinational registries.
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Affiliation(s)
- Brice Autier
- Univ Rennes, CHU Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail), UMR_S 1085, Rennes, France.
| | - Bruno Gottstein
- Institute of Infectious Diseases, Faculty of Medicine, University of Bern, CH-3012, Bern, Switzerland
| | - Laurence Millon
- Department of Parasitology-Mycology, National Reference Centre for Echinococcoses, University Hospital of Besançon, France; UMR CNRS 6249 Laboratoire Chrono-environnement, Université Bourgogne-Franche-Comté, Besançon, France; European Study Group of Clinical Parasitology, ESCMID, Basel, Switzerland
| | - Michael Ramharter
- European Study Group of Clinical Parasitology, ESCMID, Basel, Switzerland; Center for Tropical Medicine, Bernhard Nocht Institute for Tropical Medicine & I Dept. of Medicine University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Beate Gruener
- Division of Infectious Diseases, Department of Internal Medicine III, University Hospital of Ulm, Ulm, Germany
| | - Solange Bresson-Hadni
- Department of Parasitology-Mycology, National Reference Centre for Echinococcoses, University Hospital of Besançon, France; Division of Tropical and Humanitarian Medicine and Gastroenterology and Hepatology Unit, Faculty of Medicine, University Hospitals of Geneva, Switzerland
| | - Sarah Dion
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, Rennes, France
| | - Florence Robert-Gangneux
- Univ Rennes, CHU Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail), UMR_S 1085, Rennes, France; European Study Group of Clinical Parasitology, ESCMID, Basel, Switzerland
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Echinococcosis in immunocompromised patients: A systematic review. Acta Trop 2022; 232:106490. [PMID: 35490729 DOI: 10.1016/j.actatropica.2022.106490] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 04/17/2022] [Accepted: 04/26/2022] [Indexed: 12/28/2022]
Abstract
BACKGROUND Human echinococcoses are the infection caused by the larval stages of different species of the genus Echinococcus, mostly E. granulosus and E. multilocularis. There is no aggregated information on the nature and characteristics echinococcosis in patients with immunodeficiency. This study presents a systematic review of the current literature published on the status of echinococcosis in immunocompromised individuals. METHODS An electronic search of related articles in four major databases (PubMed, Scopus, Web of Science and Google Scholar) was performed up to November 2021. All related studies meeting the inclusion criteria were assessed for qualitative analysis. Data available on different characteristics of the diseases were extracted. The data were subsequently categorized into two subgroups: Cystic Echinococcosis (CE) and Alveolar Echinococcosis (AE). RESULTS Twenty-eight articles related to the existence of echinococcosis in immunocompromised hosts were included. HIV/AIDS was found as the most frequent condition in immunocompromised CE patients. Most of the CE cases with immunodeficiency were female (66.4%). The dominant stages of the cysts were CE2 and CE3. Surgery was performed for 76.2% of the patients. A high mortality rate of 23.8% was recorded in CE patients. Malignancies was the dominant condition in AE patients. CONCLUSION Findings of the present study can potentially improve our understanding of the impact of immunodeficiency syndromes on echinococcoses and contribute to an improved diagnosis, treatment and quality of care in immunocompromised patients suffering from cystic and alveolar echinococcosis.
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Gottstein B, Deplazes P. Alveolar echinococcosis: what triggers emergence in North America, Central Europe and Asia? Curr Opin Infect Dis 2021; 34:440-446. [PMID: 34524197 DOI: 10.1097/qco.0000000000000765] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
PURPOSE OF REVIEW Infection with the larval (metacestode) stage of Echinococcus multilocularis causes alveolar echinococcosis (AE), a serious hepatic disorder. The parasite has increased its infection extensity in wildlife and domestic dogs, mainly due to urbanization and spatial extension of wildlife hosts in Europe, Asia as well as North America, resulting in emerging infection risk for humans. RECENT FINDINGS In hyperendemic areas such as Kyrgyzstan and China, ecological and socioeconomic changes have been associated with the unpredictable increase of AE cases. In North America, the appearance of the European-like genotype is of concern. In Europe, the annual increase of human case numbers reached a plateau even in hyperendemic situations. Therefore, we conclude that most of the exposed individuals are resistant to parasite invasion and/or to disease development. Thus, AE develops in a few healthy individuals, but preferentially in immunosuppressed patients. SUMMARY In the future, improved diagnostic strategies will allow more precise estimations of transmission routes including the role of food, water and direct dog contact, which should yield improved public health recommendations. Finally, understanding protective innate and acquired immune mechanisms as well as parasite-driven immune-evasion processes will be essential to develop curative therapies in nonoperable patients and, futuristically, appropriate vaccines.
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Affiliation(s)
- Bruno Gottstein
- Institute of Infectious Diseases, Faculty of Medicine, University of Bern, Bern
| | - Peter Deplazes
- Institute of Parasitology, Vetsuisse Faculty and Faculty of Medicine, University of Zurich, Zurich, Switzerland
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