1
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Josephson L, Cornea V, Stoner BJ, El-Dalati S. Cryoglobulinemic vasculitis in two patients with infective endocarditis: a case series. Ther Adv Infect Dis 2022; 9:20499361221113464. [PMID: 35937927 PMCID: PMC9354131 DOI: 10.1177/20499361221113464] [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: 05/09/2022] [Accepted: 06/27/2022] [Indexed: 11/19/2022] Open
Abstract
Cryoglobulins are circulating immune complexes that precipitate at cool
temperatures and can induce a small-vessel vasculitis. While patients with
endocarditis are well known to have circulating cryoglobulins, cryoglobulinemic
vasculitis is a rare complication of infective endocarditis with infrequent
publication of reported cases. We present two cases of methicillin-resistant
Staphylococcus aureus tricuspid valve infective
endocarditis in patients with substance use disorder complicated by
cryoglobulinemic cutaneous vasculitis confirmed by skin biopsy, including one
patient who developed renal and colonic manifestations of vasculitis. Both
patients had symptomatic improvement in their vasculitis with appropriate
antimicrobial therapy, including one patient who received a short course of
prednisone and another with chronic active hepatitis C that remained untreated.
Providers should have a high-index of suspicion for infective endocarditis in
patients presenting with new onset cryoglobulinemic vasculitis, particularly if
the patients have underlying risk factors for endocarditis.
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Affiliation(s)
- Laura Josephson
- Department of Internal Medicine, University of Kentucky Medical Center, Lexington, KY, USA
| | - Virgilius Cornea
- Department of Pathology and Laboratory Medicine, University of Kentucky Medical Center, Lexington, KY, USA
| | - Bobbi Jo Stoner
- Division of Infectious Diseases, Department of Internal Medicine, University of Kentucky Medical Center, Lexington, KY, USA
| | - Sami El-Dalati
- Division of Infectious Diseases, Department of Internal Medicine, University of Kentucky Medical Center, 740 S. Limestone Street Lexington, KY 40536, USA
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2
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Rossi D, Sciascia S, Fenoglio R, Ferro M, Baldovino S, Kamgaing J, Ventrella F, Kalikatzaros I, Viziello L, Solfietti L, Barreca A, Roccatello D. Cryoglobulinemic glomerulonephritis: clinical presentation and histological features, diagnostic pitfalls and controversies in the management. State of the art and the experience on a large monocentric cohort treated with B cell depletion therapy. Minerva Med 2020; 112:162-174. [PMID: 33198442 DOI: 10.23736/s0026-4806.20.07076-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Cryoglobulinemia is defined by the presence of immunoglobulins having the following characteristics: forming a gel when temperature is <37 °C, precipitate in a reversible manner in the serum, and redissolve after rewarming. The presence of both polyclonal IgG and monoclonal IgM (type II), or of polyclonal IgG and polyclonal IgM (type III) identifies the mixed cryoglobulinemia (MC). The identification of the Hepatitis C virus (HCV) infection in most of the cases previously defined as "essential" represented a cornerstone in the understanding the pathogenesis of this condition. The picture of MC comprehends heterogeneous clinical presentations: from arthralgias, mild palpable purpura, fatigue to severe vasculitis features with skin necrotic pattern, peripheral neuropathy and, less commonly, lungs, central nervous system, gastrointestinal tract, and heart involvement. The kidney represents the most common organ presentation, and the presence of glomerulonephritis is a key element when considering prognosis. We discuss the clinical presentation and histological features, diagnostic pitfalls, and controversies in the management of patients with cryoglobulinemic glomerulonephritis, with a special focus on reporting our experience in treating patients with B cell depletion therapy.
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Affiliation(s)
- Daniela Rossi
- Unit of Nephrology and Dialysis (ERKnet Member), Department of Clinical and Biological Sciences, Center of Research of Immunopathology and Rare Diseases, Coordinating Center of the Network for Rare Diseases of Piedmont and Aosta Valley, San Giovanni Bosco Hospital, University of Turin, Turin, Italy
| | - Savino Sciascia
- Unit of Nephrology and Dialysis (ERKnet Member), Department of Clinical and Biological Sciences, Center of Research of Immunopathology and Rare Diseases, Coordinating Center of the Network for Rare Diseases of Piedmont and Aosta Valley, San Giovanni Bosco Hospital, University of Turin, Turin, Italy
| | - Roberta Fenoglio
- Unit of Nephrology and Dialysis (ERKnet Member), Department of Clinical and Biological Sciences, Center of Research of Immunopathology and Rare Diseases, Coordinating Center of the Network for Rare Diseases of Piedmont and Aosta Valley, San Giovanni Bosco Hospital, University of Turin, Turin, Italy
| | - Michela Ferro
- Unit of Nephrology and Dialysis (ERKnet Member), Department of Clinical and Biological Sciences, Center of Research of Immunopathology and Rare Diseases, Coordinating Center of the Network for Rare Diseases of Piedmont and Aosta Valley, San Giovanni Bosco Hospital, University of Turin, Turin, Italy
| | - Simone Baldovino
- Unit of Nephrology and Dialysis (ERKnet Member), Department of Clinical and Biological Sciences, Center of Research of Immunopathology and Rare Diseases, Coordinating Center of the Network for Rare Diseases of Piedmont and Aosta Valley, San Giovanni Bosco Hospital, University of Turin, Turin, Italy
| | - Joelle Kamgaing
- Unit of Nephrology and Dialysis (ERKnet Member), Department of Clinical and Biological Sciences, Center of Research of Immunopathology and Rare Diseases, Coordinating Center of the Network for Rare Diseases of Piedmont and Aosta Valley, San Giovanni Bosco Hospital, University of Turin, Turin, Italy
| | - Federica Ventrella
- Unit of Nephrology and Dialysis (ERKnet Member), Department of Clinical and Biological Sciences, Center of Research of Immunopathology and Rare Diseases, Coordinating Center of the Network for Rare Diseases of Piedmont and Aosta Valley, San Giovanni Bosco Hospital, University of Turin, Turin, Italy
| | - Ileana Kalikatzaros
- Unit of Nephrology and Dialysis (ERKnet Member), Department of Clinical and Biological Sciences, Center of Research of Immunopathology and Rare Diseases, Coordinating Center of the Network for Rare Diseases of Piedmont and Aosta Valley, San Giovanni Bosco Hospital, University of Turin, Turin, Italy
| | - Lucia Viziello
- Unit of Nephrology and Dialysis (ERKnet Member), Department of Clinical and Biological Sciences, Center of Research of Immunopathology and Rare Diseases, Coordinating Center of the Network for Rare Diseases of Piedmont and Aosta Valley, San Giovanni Bosco Hospital, University of Turin, Turin, Italy
| | - Laura Solfietti
- Unit of Nephrology and Dialysis (ERKnet Member), Department of Clinical and Biological Sciences, Center of Research of Immunopathology and Rare Diseases, Coordinating Center of the Network for Rare Diseases of Piedmont and Aosta Valley, San Giovanni Bosco Hospital, University of Turin, Turin, Italy
| | - Antonella Barreca
- Unit of Nephrology and Dialysis (ERKnet Member), Department of Clinical and Biological Sciences, Center of Research of Immunopathology and Rare Diseases, Coordinating Center of the Network for Rare Diseases of Piedmont and Aosta Valley, San Giovanni Bosco Hospital, University of Turin, Turin, Italy.,Patology Division, A.O.U. Città della Salute e della Scienza, Turin, Italy
| | - Dario Roccatello
- Unit of Nephrology and Dialysis (ERKnet Member), Department of Clinical and Biological Sciences, Center of Research of Immunopathology and Rare Diseases, Coordinating Center of the Network for Rare Diseases of Piedmont and Aosta Valley, San Giovanni Bosco Hospital, University of Turin, Turin, Italy -
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3
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Zignego AL, Ramos-Casals M, Ferri C, Saadoun D, Arcaini L, Roccatello D, Antonelli A, Desbois AC, Comarmond C, Gragnani L, Casato M, Lamprecht P, Mangia A, Tzioufas AG, Younossi ZM, Cacoub P. International therapeutic guidelines for patients with HCV-related extrahepatic disorders. A multidisciplinary expert statement. Autoimmun Rev 2017; 16:523-541. [PMID: 28286108 DOI: 10.1016/j.autrev.2017.03.004] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2017] [Accepted: 02/26/2017] [Indexed: 02/06/2023]
Abstract
Hepatitis C virus (HCV) is both hepatotrophic and lymphotropic virus that causes liver as well extrahepatic manifestations including cryoglobulinemic vasculitis, the most frequent and studied condition, lymphoma, and neurologic, cardiovascular, endocrine-metabolic or renal diseases. HCV-extrahepatic manifestations (HCV-EHMs) may severely affect the overall prognosis, while viral eradication significantly reduces non-liver related deaths. Different clinical manifestations may coexist in the same patient. Due to the variety of HCV clinical manifestations, a multidisciplinary approach along with appropriate therapeutic strategies are required. In the era of interferon-free anti-HCV treatments, international recommendations for the therapeutic management of HCV-EHMs are needed. This implies the need to define the best criteria to use antivirals and/or other therapeutic approaches. The present recommendations, based on qualified expert experience and specific literature, will focus on etiological (antiviral) therapies and/or traditional pathogenetic treatments that still maintain their therapeutic utility.
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Affiliation(s)
- Anna Linda Zignego
- Interdepartmental Center for Systemic Manifestations of Hepatitis Viruses (MaSVE), Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy.
| | - Manuel Ramos-Casals
- Department of Autoimmune Diseases, ICMiD Josep Font Autoimmune Lab, CELLEX-IDIBAPS, Hospital Clinic, Barcelona, Spain
| | - Clodoveo Ferri
- Chair and Rheumatology Unit, Medical School, University of Modena and Reggio Emilia, Azienda Ospedaliero-Universitaria, Policlinico di Modena, 41124 Modena, Italy
| | - David Saadoun
- Sorbonne University, UPMC Univ Paris 06, UMR 7211, and Inflammation-Immunopathology-Biotherapy Department (DHU i2B), Paris, France; INSERM, UMR S 959, Paris, France; CNRS, FRE3632, Paris, France; AP-HP, Groupe Hospitalier Pitié-Salpêtrière, Department of Internal Medicine and Clinical Immunology, Paris, France
| | - Luca Arcaini
- Department of Molecular Medicine, University of Pavia, Pavia, Italy
| | - Dario Roccatello
- Department of Hematology Oncology, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy; Center of Research of Immunopathology and Rare Diseases, and Nephrology and Dialysis Unit, San G. Bosco Hospital and University of Turin, Italy
| | - Alessandro Antonelli
- Department of Clinical and Experimental Medicine, University of Pisa, Via Savi 10, Pisa 56126, Italy
| | - Anne Claire Desbois
- Sorbonne University, UPMC Univ Paris 06, UMR 7211, and Inflammation-Immunopathology-Biotherapy Department (DHU i2B), Paris, France; INSERM, UMR S 959, Paris, France; CNRS, FRE3632, Paris, France; AP-HP, Groupe Hospitalier Pitié-Salpêtrière, Department of Internal Medicine and Clinical Immunology, Paris, France
| | - Cloe Comarmond
- Sorbonne University, UPMC Univ Paris 06, UMR 7211, and Inflammation-Immunopathology-Biotherapy Department (DHU i2B), Paris, France; INSERM, UMR S 959, Paris, France; CNRS, FRE3632, Paris, France; AP-HP, Groupe Hospitalier Pitié-Salpêtrière, Department of Internal Medicine and Clinical Immunology, Paris, France
| | - Laura Gragnani
- Interdepartmental Center for Systemic Manifestations of Hepatitis Viruses (MaSVE), Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Milvia Casato
- Department of Clinical Medicine, Sapienza University of Rome, Viale dell'Università 37, 00185 Rome, Italy.
| | - Peter Lamprecht
- Klinik für Rheumatologie Oberarzt, Ratzeburger Allee 160 (Haus 40), 23538 Lübeck, Germany.
| | - Alessandra Mangia
- Liver Unit, IRCCS "Casa Sollievo della Sofferenza", San Giovanni Rotondo, Italy.
| | - Athanasios G Tzioufas
- Department of Pathophysiology, School of Medicine, University of Athens, 75 M. Asias st, Building 16, Room, 32 11527 Athens, Greece.
| | - Zobair M Younossi
- Center for Liver Diseases, Department of Medicine, Inova Fairfax Hospital, Falls Church, VA, USA; Beatty Liver and Obesity Program, Betty and Guy Beatty Center for Integrated Research, Inova Health System, Falls Church, VA, USA
| | - Patrice Cacoub
- Sorbonne University, UPMC Univ Paris 06, UMR 7211, and Inflammation-Immunopathology-Biotherapy Department (DHU i2B), Paris, France; INSERM, UMR S 959, Paris, France; CNRS, FRE3632, Paris, France; AP-HP, Groupe Hospitalier Pitié-Salpêtrière, Department of Internal Medicine and Clinical Immunology, Paris, France
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4
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Franchini M, Tagliaferri A, Rossetti G, Capra F, De Maria E, Pattacini C, Gandini G. The Natural History of Hepatitis C Virus Infection in Hemophiliacs. ACTA ACUST UNITED AC 2016; 6:135-42. [PMID: 27419880 DOI: 10.1080/10245332.2001.11746564] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Hepatitis C virus (HCV) infection is an important cause of morbidity and mortality in patients affected by hereditary bleeding disorders and treated with non-virus inactivated clotting factor concentrates during the 1970s. Since the onset of the infection is known (first treatment with large-pool non-virus inactivated blood products) these patients are a unique model for studying the natural history of HCV infection and associated complications. The course of Hepatitis can be accurately assessed in these patients because they are regularly followed at hemophilia centers with laboratory, clinical and instrumental tests. In this review, we briefly report the present knowledge about the natural course of HCV infection in hemophiliacs, by analyzing the prevalence of HCV infection, the genotype distribution and the risk factors involved in the progression of chronic Hepatitis into severe liver disease as cirrhosis, liver decompensation and hepatocellular carcinoma. Understanding the natural evolution of HCV infection in hemophiliacs helps us to understand better the natural history of HCV infection and to improve the treatment approach to all HCV infected patients.
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Affiliation(s)
- M Franchini
- a Servizio di Immunoematologia e Trasfusione- Centro Emofilia , Azienda Ospedaliera di Verona, Ospedale Policlinico , Via Delle Menegone 1, 37134 Verona , Italy
| | - A Tagliaferri
- b V Divisione Medica-Centro Emofilia , Azienda Ospedaliera di Parma , Parma , Italy
| | - G Rossetti
- c Servizio di Immunoematologia e Trasfusione-Centro Emofilia , Ospedale S.Chiara, Trento , Italy
| | - F Capra
- d Medicina Interna A, Dipartimento di Medicina e Sanità Pubblica , Università di Verona , Verona , Italy
| | - E De Maria
- d Medicina Interna A, Dipartimento di Medicina e Sanità Pubblica , Università di Verona , Verona , Italy
| | - C Pattacini
- b V Divisione Medica-Centro Emofilia , Azienda Ospedaliera di Parma , Parma , Italy
| | - G Gandini
- a Servizio di Immunoematologia e Trasfusione- Centro Emofilia , Azienda Ospedaliera di Verona, Ospedale Policlinico , Via Delle Menegone 1, 37134 Verona , Italy
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5
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Gill K, Ghazinian H, Manch R, Gish R. Hepatitis C virus as a systemic disease: reaching beyond the liver. Hepatol Int 2016; 10:415-23. [PMID: 26660706 PMCID: PMC4819925 DOI: 10.1007/s12072-015-9684-3] [Citation(s) in RCA: 102] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2015] [Accepted: 11/03/2015] [Indexed: 02/06/2023]
Abstract
Chronic hepatitis C (CHC) is associated with multiple extrahepatic manifestations that may impact infected patients. The mechanisms through which these develop include those which are immunological, in which the chronic persistence of virus leads to the circulation of immune complexes (mixed cryoglobulinemia) and other autoimmune phenomena, and those which are virological and related to the extrahepatic tropism of the virus to other tissues. It is estimated that 40-74 % of patients with CHC may develop at least one extrahepatic manifestation during the course of the disease. Extrahepatic syndromes may represent the first signal of hepatitis C infection in some patients. CHC is associated with a four-fold increased risk of insulin resistance and type 2 diabetes mellitus; with cardiovascular disease in 17-37 % of patients; and with increased risk for cerebrovascular deaths, with a biological gradient of cerebrovascular mortality correlating with an increasing serum viral load. CHC is also associated with lymphoproliferative disorders, particularly non-Hodgkin B-cell lymphoma. The kidney is involved in 35-60 % of patients with CHC-associated mixed cryoglobulinemia. The prevalent type of glomerulonephritis associated with mixed cryoglobulinemia is membranoproliferative glomerulonephritis. In 30 % of cases, renal involvement begins with a nephritis syndrome and acute renal failure, while in 55 % there is only mild hematuria, microalbuminuria, proteinuria and renal insufficiency. CHC is also associated with cognitive impairment, especially in memory and concentration. Thus, extrahepatic CHC manifestations involve multiple organ systems outside the liver linked to a variety of comorbidities which may lead to significantly increased mortality from non-liver-related events.
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Affiliation(s)
- Kirat Gill
- />Department of Internal Medicine, St. Joseph’s Hospital and Medical Center, Phoenix, AZ USA
| | - Hasmik Ghazinian
- />Hepatology Department, Nork-Marash Medical Center, 13 Armenak Armenakyan Street, 0047 Yerevan, Armenia
- />Department of Infectious Disease, Nork-Marash Medical Center, 13 Armenak Armenakyan Street, 0047 Yerevan, Armenia
| | - Richard Manch
- />Department of Internal Medicine, St. Joseph’s Hospital and Medical Center, Phoenix, AZ USA
| | - Robert Gish
- />Department of Medicine, Division of Gastroenterology and Hepatology, Stanford University, Stanford, CA USA
- />National Viral Hepatitis Roundtable, San Francisco, CA USA
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6
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Abstract
There has long been evidence that hepatitis C can lead to persistent infection in a high proportion of infected individuals, and can progress to chronic liver disease, cirrhosis and hepatocellular carcinoma (HCC). The transition from acute to chronic hepatitis C is usually sub-clinical. Accurate studies of the time course for clearance of acute hepatitis C are difficult to carry out because of the silent onset of the acute disease. The likelihood of spontaneous HCV resolution is associated with several genetic factors, including IL28B inheritance and the DQB1*0301 allele of the major histocompatibility complex class II. Most data suggest that resolution in the acute phase without progression to chronic disease is not accompanied by significant disease, but minor histological lesions have been observed in anti-HCV positive, HCV RNA negative individuals. The risk of reinfection remains a possibility after clearance of acute hepatitis C. High rates of sexually-transmitted infection are being reported in HIV positive men who have sex with men (MSM). Chronic infection with HCV is the leading cause of end-stage liver disease, hepatocellular carcinoma (HCC) and liver related death in the Western world. The natural history of the chronic disease remains incompletely defined. It is generally a slowly progressive disease characterized by persistent hepatic inflammation, leading to the development of cirrhosis in approximately 10-20% of patients over 20-30 years of HCV infection. However, the published data indicate varying progression rates to cirrhosis. Overall, once cirrhosis has developed there is a 1-5% annual risk of HCC and a 3-6% annual risk of hepatic decompensation. Following an episode of decompensation the risk of death in the following year is between 15% and 20%. The high number of chronically infected individuals, the burden of disease, and the absence of a vaccine indicates that treatment will form part of the disease control but the impact, effectiveness and outcomes of treatment in various groups remain uncertain. Several studies and meta-analysis have concluded that eradication of HCV with antiviral therapy reduces the risk of HCC in patients with chronic hepatitis C, independent of fibrosis stage, but the risk is not eliminated.
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8
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Pietrogrande M, De Vita S, Zignego AL, Pioltelli P, Sansonno D, Sollima S, Atzeni F, Saccardo F, Quartuccio L, Bruno S, Bruno R, Campanini M, Candela M, Castelnovo L, Gabrielli A, Gaeta GB, Marson P, Mascia MT, Mazzaro C, Mazzotta F, Meroni P, Montecucco C, Ossi E, Piccinino F, Prati D, Puoti M, Riboldi P, Riva A, Roccatello D, Sagnelli E, Scaini P, Scarpato S, Sinico R, Taliani G, Tavoni A, Bonacci E, Renoldi P, Filippini D, Sarzi-Puttini P, Ferri C, Monti G, Galli M. Recommendations for the management of mixed cryoglobulinemia syndrome in hepatitis C virus-infected patients. Autoimmun Rev 2011; 10:444-54. [DOI: 10.1016/j.autrev.2011.01.008] [Citation(s) in RCA: 157] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2011] [Accepted: 01/28/2011] [Indexed: 02/07/2023]
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9
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Fox RI, Fox CM. Sjögren's syndrome: Infections that may play a role in pathogenesis, mimic the disease, or complicate the patient's course. INDIAN JOURNAL OF RHEUMATOLOGY 2011. [DOI: 10.1016/s0973-3698(11)60046-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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10
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Abstract
Numerous researches have showed that thyroid diseases affect liver function and progression of liver diseases; conversely, liver diseases, especially severe liver disease, can also affect thyroid function. Thyroid function may have changes in patients with chronic viral hepatitis treated with interferon. So physicians should pay more attention to the relationship between thyroid and liver diseases during the course of diagnosis and treatment.
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11
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Abstract
Hepatitis C virus may cause hepatic and extrahepatic diseases. Extrahepatic manifestations range from disorders for which a significant association with viral infection is supported by epidemiologic and pathogenetic data, to anecdotal observations without clear proof of causality. This article describes the diagnosis and treatment of these diseases.
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12
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Abulhassan M, Khaleel MH, Albayomy Y, Sharaf Eldeen OA, Zalata KR. Clinical Relevance of Cryglobulinaemia and Extrahepatic Neurocutaneous Manifestations of Chronic Hepatitis C. J Taibah Univ Med Sci 2008. [DOI: 10.1016/s1658-3612(08)70041-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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13
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Abstract
Hepatitis C virus (HCV) is a global health problem affecting 3% of the world's population (about 180 million) and a cause of both hepatic and extrahepatic diseases. B-cell lymphoproliferative disorders, whose prototype is mixed cryoglobulinemia, represent the most closely related as well as the most investigated HCV-related extrahepatic disorder. The association between extrahepatic (lymphoma) as well as hepatic malignancies (hepatocellular carcinoma) has justified the inclusion of HCV among human cancer viruses. HCV-associated manifestations also include porphyria cutanea tarda, lichen planus, nephropathies, thyreopathies, sicca syndrome, idiopathic pulmonary fibrosis, diabetes, chronic polyarthritis, sexual dysfunctions, cardiopathy/atherosclerosis, and psychopathological disorders. A pathogenetic link between HCV virus and some lymphoproliferative disorders was confirmed by their responsiveness to antiviral therapy, which is now considered the first choice treatment. The aim of the present paper is to provide an overview of extrahepatic manifestations of HCV infection with particular attention to B-cell lymphoproliferative disorders. Available pathogenetic hypotheses and suggestions about the most appropriate, currently available, therapeutic approaches will also be discussed.
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Affiliation(s)
- Anna-Linda Zignego
- Department of Internal Medicine, University of Florence, Viale Morgagni 85, 50134 Florence, Italy.
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14
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Koskinas J, Kilidireas C, Karandreas N, Kountouras D, Savvas S, Hadziyannis E, Archimandritis AJ. Severe hepatitis C virus-related cryoglobulinaemic sensory-motor polyneuropathy treated with pegylated interferon-a2b and ribavirin: clinical, laboratory and neurophysiological study. Liver Int 2007; 27:414-20. [PMID: 17355465 DOI: 10.1111/j.1478-3231.2006.01436.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
Abstract
BACKGROUND/AIMS Severe involvement of central and/or peripheral nervous system is a rare complication of hepatitis C virus (HCV)-related cryoglobulinaemia. METHOD Four patients with HCV-related type II/III cryoglobulinaemia (three males with genotype 1, one female with genotype 3) who presented with severe sensory-motor polyneuropathy, one with central nervous system involvement as well, were treated with pegylated IFNa-2b 1.5 microg/kg/week and ribavirin 10.6 mg/kg/daily for 48 weeks. Neurological evaluation involved detailed clinical motor and sensory scores/scales and neurophysiological studies before and after treatment. RESULTS/CONCLUSION Three out of four patients had undetectable serum HCV-RNA, normal levels of aminotransferases and substantially lower or undetectable levels of cryoglobulins at the end of treatment and at 24 weeks follow-up period. Treatment was well tolerated and all patients exhibited significant improvement of neuropathy based on solid clinical and laboratory criteria that was associated with the virological response.
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Affiliation(s)
- J Koskinas
- 2nd Department of Medicine and Department of Neurology, Medical School, University of Athens, Athens, Greece.
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15
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Zignego AL, Ferri C, Pileri SA, Caini P, Bianchi FB. Extrahepatic manifestations of Hepatitis C Virus infection: a general overview and guidelines for a clinical approach. Dig Liver Dis 2007; 39:2-17. [PMID: 16884964 DOI: 10.1016/j.dld.2006.06.008] [Citation(s) in RCA: 181] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2005] [Revised: 06/03/2006] [Accepted: 06/06/2006] [Indexed: 02/08/2023]
Abstract
Hepatitis C Virus is associated with a wide series of extrahepatic manifestations. Based on available data the link between the virus and some of these extrahepatic diseases is only suggested and needs further confirmation. Hepatitis C Virus-related lymphoproliferative disorders, whose prototype is mixed cryoglobulinaemia, represent the most closely related extrahepatic manifestations of Hepatitis C Virus. Other Hepatitis C Virus-associated disorders include nephropathies, thyreopathies, sicca syndrome, idiopathic pulmonary fibrosis, porphyria cutanea tarda, lichen planus, diabetes, chronic polyarthritis, cardiopathy and atherosclerosis. A pathogenetic link between Hepatitis C Virus and some extrahepatic manifestations was confirmed by their responsiveness to antiviral therapy, which is now deemed the first therapeutic option to consider. By contrast, there are diseases where treatment with interferon was ineffective or dangerous. The aim of the present paper is to outline the most recent evidence concerning extrahepatic disorders that are possibly associated with Hepatitis C Virus infection. Special emphasis will be given to discussion of the most appropriate clinical approaches to be adopted in order to diagnose, treat (possibly prevent) and follow-up extrahepathic diseases in patients with Hepatitis C Virus infection.
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Affiliation(s)
- A L Zignego
- Department of Internal Medicine, Medical School, Center for Research, Transfer and High Education DENOthe, Center for the Study of Systemic Manifestations of Hepatitis Viruses MaSVE, University of Florence, Florence, Italy.
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16
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Abstract
Hepatitis C affects approximately 170 million people worldwide. Extrahepatic manifestations of chronic hepatitis C infection are clinically evident in nearly 40% of patients. Much research has been done over the last decade to better understand their incidence, clinical presentation, mechanism of disease, and the role of antiviral therapy in their treatment. Of the commonly reported manifestations, cryoglobulinemia, membranoproliferative glomerulonephritis, and porphyria cutanea tarda remain the best understood manifestations. More recently, the association of insulin resistance and diabetes mellitus with chronic hepatitis C has been demonstrated. This paper serves to review the growing body of literature detailing the extrahepatic manifestations of chronic hepatitis C.
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Affiliation(s)
- Nicole A Palekar
- Department of Medicine, Gastroenterology and Hepatology Service, Brooke Army Medical Center, Fort Sam Houston, TX, USA.
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17
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Gemignani F, Brindani F, Alfieri S, Giuberti T, Allegri I, Ferrari C, Marbini A. Clinical spectrum of cryoglobulinaemic neuropathy. J Neurol Neurosurg Psychiatry 2005; 76:1410-4. [PMID: 16170087 PMCID: PMC1739369 DOI: 10.1136/jnnp.2004.057620] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
BACKGROUND AND OBJECTIVE Cryoglobulinaemic neuropathy (CN) is probably common, as it is usually related to HCV infection. The aim of this study was to delineate the clinical spectrum of CN in a large series and to investigate the factors influencing its expression. METHODS Seventy one consecutive patients (12 men, 59 women), diagnosed as having CN on the basis of clinical features of neuropathy, clinical and serological findings of mixed cryoglobulinaemia, and exclusion criteria, were identified during a six year period. All patients underwent clinical examination, and electrophysiological and laboratory investigations. RESULTS Results of the patients with "pure" CN (n = 54) and those with comorbidities (n = 17) were evaluated separately. Of the former 76% had sensory neuropathy (including selective small fibre sensory neuropathy (SFSN) in 14 patients), 15% had sensorimotor polyneuropathy, and 9% had mononeuritis multiplex. The pattern of distribution was similar in the patients with comorbidities. In 30/54 patients, CN was the first manifestation of cryoglobulinaemia. Patients with mild cryoglobulinaemic syndrome had sensory neuropathy more frequently than patients with active syndrome (p < 0.001), in particular SFSN (p < 0.001). The latter group had more severe features, with significantly more cases of reduced or absent motor (p = 0.028) and sensory action potentials (p < 0.001), and a tendency towards higher Rankin scores (p = 0.06). CONCLUSIONS Sensory neuropathy, often in the form of SFSN, is by far the commonest form of CN. Cryoglobulinaemia should be vigorously investigated in the diagnosis of sensory neuropathy, especially in older women. Activity of the cryoglobulinaemic syndrome is a major factor influencing the clinical expression and severity of CN.
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Affiliation(s)
- F Gemignani
- Department of Neurosciences, Section of Neurology, University of Parma, Parma, Italy.
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Rayhill SC, Kirby PA, Voigt MD, La Brecque DR, Lutz CT, Katz DA, Mitros FA, Kalil RS, Miller RA, Stolpen AH, Heisey D, Wu YM, Schmidt WN. Positive Serum Cryoglobulin Is Associated with Worse Outcome after Liver Transplantation for Chronic Hepatitis C. Transplantation 2005; 80:448-56. [PMID: 16123717 DOI: 10.1097/01.tp.0000164826.84041.f0] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
BACKGROUND Recurrent hepatitis C virus (HCV) infection in patients after liver transplantation is an important clinical problem. Because serum cryoglobulins (CG) are known to be associated with an increased incidence of cirrhosis in nontransplant patients, the authors tested the hypothesis that CG would also predict aggressive recurrent HCV in patients after liver transplantation. METHODS Using a longitudinal database, the outcomes of 105 allografts transplanted into 97 HCV-positive patients from 1991 through 2002 were analyzed on the basis of CG status using a retrospective cohort design. Fifty-nine CG-negative and 38 CG-positive patients were identified. Histologic outcomes and graft survival were analyzed using Kaplan-Meier estimates and Cox univariate and multivariate analyses. Both overall survival and HCV-specific survival (non-HVC-related deaths and graft losses censored) were analyzed. RESULTS By Kaplan-Meier estimates, CG-positive patients showed earlier graft failure with decreased time to severe histologic activity and fibrosis as compared with CG-negative patients (P<0.05 for all outcomes). By univariate analysis, CG-positive patients had significantly higher risk ratios for shortened HCV-specific graft survival, severe activity-free survival, and severe fibrosis-free survival as compared with CG-negative patients (P<0.05 for all outcomes). In the multivariate model, CG was an independent predictor for severe activity-free, severe fibrosis-free, and HCV-specific graft survival (P<0.05 for all outcomes). CONCLUSIONS CG-positivity is associated with severe recurrent HCV disease in liver transplant recipients.
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Affiliation(s)
- Stephen C Rayhill
- Department of Surgery, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA, USA.
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20
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Carreño V, Castillo I, Bartolomé J, Rodríguez-Iñigo E, Ortiz-Movilla N, de Lucas S, Pardo M. Comparison of hepatitis C virus RNA detection in plasma, whole blood and peripheral blood mononuclear cells of patients with occult hepatitis C virus infection. J Clin Virol 2005; 31:312-3. [PMID: 15494276 DOI: 10.1016/j.jcv.2004.08.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2004] [Indexed: 11/20/2022]
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Abstract
UNLABELLED VIRUSES, THE CAUSE OF VASCULITIS: Although the majority of systemic vasculitis are of unknown causes, the responsibility of a viral infection has been formally demonstrated in some of them and specific treatment can permanently cure them. Each virus incriminated accounts for a particular type of vasculitis. HEPATITIS B VIRAL INFECTION (HBV): Is the cause of polyarteritis nodosa in 36 to 50% of cases. The onset of the symptomatology is acute, usually within a few months following the infection; it is comparable to that observed in the absence of HBV infection. CRYOGLOBULINEMIA RELATED TO THE HEPATITIS C VIRUS (HCV): The clinical manifestations are those of systemic vasculitis with particular tropism for the skin (involvement generally inaugural and almost constant), peripheral nerves and the glomerula. They occur fairly late during the infection. VASCULITIS ASSOCIATED WITH HIV INFECTION: There is strong tropism for the peripheral (multi-neuritis) and central nervous system. During acute parvovirus B19 infection Vasculitis lesions have occasionally been reported following the viremic phase, generally limited to one or several flares of vascular purpura predominating on the lower limbs. FOLLOWING VARICELLA-HERPES ZOSTER INFECTION: Vasculitis occasionally develops in the form of a central neurological deficiency (locomotor deficiency with or without aphasia around one month after an ophthalmologic herpes zoster) or involving the retina or, more rarely, the skin or the kidneys. VASCULITIS ASSOCIATED WITH CYTOMEGALOVIRAL INFECTION: Predominantly observed in immunodepressed patients, vasculitis after CMV infection is diffuse and basically involving the digestive tube, notably the colon, the central nervous system and the skin. A RARE COMPLICATION OF AN HTLV1 INFECTION: Vasculitis of the retina often in the form of necrotic retinitis is often associated with spasmodic paraparessia. THERAPEUTIC STRATEGY For many vasculitis of viral origin, corticosteroid and immunosuppressive treatments are only indicated in second intention following failure with antiviral agents and the combination of antivirals and plasma exchanges.
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Affiliation(s)
- Pascal Cohen
- Service de médecine interne, Hôpital Avicenne, Bobigny (93)
| | - Loïc Guillevin
- Service de médecine interne, Hôpital Cochin, Paris (75)
- Correspondance : Loïc Guillevin, Service de médecine interne, Hôpital Cochin, 27, rue du Faubourg Saint-Jacques, 75014 Paris. Tél.: 01 58 41 13 21.
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Abstract
The hepatitis C virus (HCV) infection is a worldwide disease that is characterized by a preferential chronic evolution with mild to severe liver disease, including cirrhosis and, in lesser proportion, hepatocarcinoma. Out of these complications, HCV is frequently reported to complicate extrahepatic manifestations. Among those associated to HCV infection with a high degree of certainty, mixed cryoglobulinemia and its complications (skin, neurological, renal, rheumatological involvement) are the most prevalent (50%) in HCV-infected patients. The other diseases include noncryoglobulinemic systemic vasculitis, splenic lymphoma with villous lymphocytes, fatigue, porphyria cutanea tarda, sicca syndrome, and autoantibodies production. The extrahepatic manifestations that share mild-degree certainty of association with HCV infection include B-cell non-Hodgkin lymphoma, autoimmune thrombocytopenia, pruritus, and type II diabetes mellitus. The other diseases such as autoimmune thyroiditis, lichen planus are more questionable for their eventual association with HCV and others (pulmonary fibrosis with or without polymyositis, progressive encephalomyelitis, Mooren's corneal ulcers, erythema nodosum, chronic polyradiculonevritis) are mostly case reports. Howerver, even in cases of tight association, the mechanisms through which HCV may promote or induce extrahepatic manifestations remain unclear and merit further investigations.
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Affiliation(s)
- Damien Sène
- Department of Internal Medicine, Boulevard de l'hôpital, Paris, France
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23
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Au WY, Kwok JSY, Chu KM, Ma ESK. Life-threatening cryoglobulinemia in HCV-negative Southern Chinese and a novel association with structural aortic abnormalities. Ann Hematol 2004; 84:95-8. [PMID: 15503020 DOI: 10.1007/s00277-004-0955-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2004] [Accepted: 09/06/2004] [Indexed: 10/26/2022]
Abstract
Cryoglobulinemia is uncommon in Southern Chinese in Hong Kong, with tropical climates and low incidence of hepatitis C virus (HCV) infection. Eight positive cases were detected among 481 patients screened for cryoglobulins over a 10-year period. Three HCV carriers (38%) ran benign courses. The others included two carriers of hepatitis B virus (HBV), two patients with adenocarcinoma, and one with chronic lymphocytic lymphoma. Four of them (except one HBV carrier) ran fulminant courses and died of cryoglobulin-related complications. Interestingly, all four cases also had structural aortic abnormalities, including multiple dissections, aneurysms, and congenital aortic arch abnormalities, which were often life threatening. The association of aortic abnormality and cryoglobulinemia is hitherto unreported and may be peculiar to our ethnic group. Aggressive control of the cryoglobulin may help to reduce aortic intima damage.
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Affiliation(s)
- Wing Y Au
- Department of Medicine, Queen Mary Hospital, Hong Kong, China.
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Siagris D, Christofidou M, Tsamandas A, Lekkou A, Thomopoulos K, Labropoulou-Karatza C. Cryoglobulinemia and progression of fibrosis in chronic HCV infection: cause or effect? J Infect 2004; 49:236-41. [PMID: 15337341 DOI: 10.1016/j.jinf.2004.05.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/08/2004] [Indexed: 11/16/2022]
Abstract
OBJECTIVES Mixed cryoglobulinemia (MC) is the most common extrahepatic manifestation of HCV infection. The aim of this study is to determine the prevalence of MC in HCV infected Greek patients and to identify if it is associated with liver histology or the mode of HCV transmission. METHODS One hundred and twenty-six patients with chronic HCV infection were evaluated for the presence of serum cryoglobulins, autoantibodies and viral markers. One hundred and eighteen of them underwent liver biopsy and each specimen was evaluated according to the grading and staging system described by Ishak et al. RESULTS Cryoglobulins were detected in 37/126 (29.4%) HCV patients and cryocrit values ranged between 0.5 and 6.5%. Only two patients presented clear clinical manifestations of MC. In patients with MC, a higher grading (6.40+/-2.06 vs. 5.27+/-2.55, p=0.013) and staging score (3.71+/-1.45 vs. 2.83+/-1.84, p=0.007) was noted in liver biopsy compared to those without MC. Logistic regression analysis identified staging score (OR, 1.33; CI, 1.06-1.66, p=0.015) as the only independent variable associated with cryoglobulinemia. Correlation between the presence of cryoglobulins and the mode of HCV transmission was not found. CONCLUSIONS Greek patients with chronic HCV infection have high prevalence of cryoglobulinemia. A clear association between the presence of serum cryoglobulins and staging score of chronic hepatitis was found, with no difference in patients' age or the duration of infection. It is possible that cryoglobulinemia results in more rapid hepatic fibrosis in HCV infected patients.
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Affiliation(s)
- Dimitrios Siagris
- Department of Internal Medicine, Patras University Hospital, Patras, Greece.
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Kim JD, Sherker AH. Antiviral therapy: role in the management of extrahepatic diseases. Gastroenterol Clin North Am 2004; 33:693-708, xi. [PMID: 15324951 DOI: 10.1016/j.gtc.2004.04.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
Abstract
This article considers the extrahepatic manifestations associated with HBV and HCV infection, the strength of the evidence for the association, potential pathological mechanisms, and evidence based therapeutic recommendations. As many of these extra hepatic conditions are uncommon, published reports have been largely uncontrolled or anecdotal.
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Affiliation(s)
- Jae D Kim
- Section of Gastroenterology and Hepatology, Washington Hospital Center, 110 Irving Street Northwest, Washington, DC 20010, USA
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26
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Medina J, García-Buey L, Moreno-Otero R. Hepatitis C virus-related extra-hepatic disease--aetiopathogenesis and management. Aliment Pharmacol Ther 2004; 20:129-41. [PMID: 15233692 DOI: 10.1111/j.1365-2036.2004.01919.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Summary Hepatitis C virus infection is often associated with extra-hepatic manifestations, secondary to the elicitation of autoimmune reactions, generalized deposition of immune complexes and lymphoproliferative disorders. The most clearly established associations are those linking chronic hepatitis C with mixed cryoglobulinaemia (and the related glomerulonephritis and cutaneous vasculitis), as well as with the presence of autoantibodies. Less well-documented disorders include non-Hodgkin's lymphoma, thrombocytopenia, sialadenitis, thyroid disease, lichen planus, porphyria cutanea tarda, rheumatoid disorders and neurological disorders. Extra-hepatic manifestations are most frequent in patients of female sex, advanced age, long-lasting infection and cirrhosis. Optimal treatment strategies should be based on the predominant manifestation of the disease. In the case of autoimmune disorders not clearly attributable to the viral infection, corticosteroids may be the most effective option. Interferon-alpha alone or in combination with ribavirin may be indicated for those disorders related to immune complex deposition, such as mixed cryoglobulinaemia, although relapses of extra-hepatic signs often occur on discontinuation of treatment. In some cases, interferon-alpha may induce or exacerbate some extra-hepatic manifestations.
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Affiliation(s)
- J Medina
- Unidad de Hepatología, Hospital de la Princesa, Universidad Autónoma de Madrid, Spain
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27
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Adinolfi LE. Prevalence and incidence of cryoglobulins in chronic hepatitis C patients. Am J Gastroenterol 2003; 98:2568-9; author reply 2569-70. [PMID: 14638367 DOI: 10.1111/j.1572-0241.2003.08688.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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28
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Persico M, De Marino FA, Di Giacomo Russo G, Persico E, Morante A, Palmentieri B, Torella R. Prevalence and incidence of cryoglobulins in hepatitis C virus-related chronic hepatitis patients: a prospective study. Am J Gastroenterol 2003; 98:884-8. [PMID: 12738472 DOI: 10.1111/j.1572-0241.2003.07339.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
OBJECTIVE A high prevalence of cryoglobulins has been reported in patients with hepatitis C virus (HCV)-related liver disease. The aim of this study was to evaluate the prevalence and the incidence of cryoglobulins and their association with clinical symptoms in chronic hepatitis and cirrhosis patients. METHODS The prevalence of cryoglobulins and cryoglobulinemic syndrome was investigated at enrollment in 237 patients (213 with chronic hepatitis and 24 with cirrhosis). A 7-yr follow-up was conducted evaluating the occurrence of cryoglobulins and/or cryoglobulinemic syndrome every 6 months. Rheumatoid factor was also tested in all patients. RESULTS Prevalence of rheumatoid factor, cryoglobulins, and cryoglobulinemic syndrome in chronic hepatitis patients were 2%, 0.8%, and 0%, respectively. In cirrhosis patients the prevalence was 4%, 8%, and 0%, respectively. No statistically significant differences were found between the two groups. During the follow-up only one patient for each group abruptly developed cryoglobulinemic syndrome, and none of the patients who showed signs of cryoglobulinemia developed the syndrome or showed signs of evolution of the disease. CONCLUSIONS Our data demonstrate that the presence of cryoglobulins and/or cryoglobulinemic syndrome in HCV-related liver disease is unusual, as is the occurrence of cryoglobulinemia over time in these patients. This leads us to think that HCV-related cryoglobulinemic syndrome and HCV-related liver disease are independent diseases. This supports new and indirect evidence for an independent and direct role of HCV in liver and blood disorders.
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Affiliation(s)
- Marcello Persico
- Internal Medicine and Hepatology Unit, Second University of Naples, Naples, Italy
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Abstract
The association between hepatitis C virus (HCV) infection, the presence of mixed cryoglobulinemia and peripheral neuropathy is well-documented (Apartis et al., 1996). HCV is the chief cause of essential mixed cryoglobulinemia (type II cryoglobulinemia) with cryoglobulins present in up to half of patients with HCV infection (Akriviadis et al., 1997). More recently it has been stated that peripheral polyneuropathy may be associated with HCV chronic infection without mixed cryoglobulinemia (Lidove et al., 2001). Patients usually present with a clinical and electrophysiology--predominantly sensory axonopathies (Apartis et al., 1996; Heckmann et al., 1999) or less frequently with fulminating vasculitis and mononeuropathy multiplex syndrome (David et al., 1996)--especially when associated with cryoglobulinemia. We report, for the first time, the association between pure motor-axonal polyneuropathy and HCV infection without cryoglobulinemia.
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Affiliation(s)
- J Costa
- Department of Neurology, Hospital de Santa Maria, Lisbon, Portugal
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30
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Siagris D, Labropoulou-Karatza C, Christofidou M, Goumenos D, Thomopoulos K, Lekkou A, Gogos CA, Vlachojannis J. Viraemia, cryoglobulins and autoantibodies in haemodialysis patients infected with hepatitis C virus. Eur J Gastroenterol Hepatol 2003; 15:133-7. [PMID: 12560756 DOI: 10.1097/00042737-200302000-00005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
OBJECTIVES The clinical features of hepatitis C virus (HCV) infection depend on the immune and autoimmune reactions induced by the virus. Chronic renal failure might alter the pattern of these reactions. The aim of this study was to determine the prevalence of cryoglobulinaemia, the frequency of autoantibodies and HCV viral load in HCV infected Greek patients on chronic haemodialysis. METHODS Seventy-three HCV Ab(+) patients on maintenance haemodialysis and 87 otherwise normal patients with chronic HCV infection were evaluated for the presence of cryoglobulins, autoantibodies and viral markers. RESULTS Cryoglobulins were detected in 22/73 (30.1%) haemodialysis patients and in 23/87 (26.4%) patients with normal renal function (NS). The mean cryocrit value was significantly lower in the haemodialysis group ( = 0.002). Haemodialysis patients had significantly higher levels of C4 component of complement and lower incidence of rheumatoid factor than those of patients with normal renal function. Serum HCV RNA levels were found significantly lower in the haemodialysis group (median, 2.20 Meq/ml; range, 119.9 Meq/ml) than in the group with normal renal function (median, 4.50 Meq/ml; range, 114.9 Meq/ml; = 0.046). The distribution of genotypes was not different between the two groups. CONCLUSIONS There are subtle differences in autoimmune features of HCV infection if the patients are also haemodialysed for renal failure. HCV viral load is lower in haemodialysis patients, with no difference in the HCV genotype prevalence. The clinical significance of these findings is unknown.
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Affiliation(s)
- Dimitrios Siagris
- Department of Internal Medicine, Patras University Hospital, 4 Tertseti Street, Patras 26442, Greece.
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Abstract
Abnormalities of LFTs and liver function occur not infrequently in patients with rheumatic conditions, and many diagnostic possibilities exist. Systemic inflammation that is related to uncontrolled rheumatic disease and periods of disease remission have been described as a cause for fluctuations in levels of serum aminotransferases. Although these benign extra-articular manifestations of rheumatic disease are the most common manifestations, more serious hepatic involvement, including vasculitis, nodular regenerative hyperplasia, and primary biliary cirrhosis, have been observed in specific rheumatic diseases. The cause of rheumatic disease is unclear. Occult HCV infection and associated cryoglobulinemia can mimic rheumatic disease. HCV infection should be suspected routinely in patients with mixed cryoglobulinemia, especially because antiviral therapy may be beneficial. The medical management of rheumatic disease involves medications that are often hepatotoxic. Routine laboratory monitoring, imaging studies, and, if necessary, biopsy examination in situations in which serum aminotransferases remain abnormal, are recommended.
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Affiliation(s)
- Nancy J Walker
- Division of Rheumatology, University of Massachusetts Medical School, 55 Lake Avenue, North Worcester, MA 01655, USA.
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Abstract
Approximately 40% of patients with chronic hepatitis C virus (HCV) infection develop detectable serum cryoglobulins or cryoprecipitates (CP), although most do not show clinical or physical signs of syndromic cryoglobulinemia. Although association of HCV with the extrahepatic complications of cryoglobulinemia is widely recognized, the relationship of cryoglobulinemia with liver disease is unclear. We wished to study the relationship between CP and cirrhosis and to determine whether the development of CP is a true covariate for progressive liver disease or a confounding variable that impacts cirrhosis because of patient age, duration of disease, or differences in gender. We undertook a meta-analysis of 19 studies published between 1994 and 2001. The incidence of cirrhosis was compared in patients with and without CP after logistic regression adjustments for accepted risk factors for progressive liver disease, including age, gender, and estimated duration of disease (EDD). A total of 2,323 patients with chronic hepatitis C were identified, with 1,022 (44%) having detectable CP. Cirrhosis was present in 40% of patients with CP but only 17% of patients without CP (total Chi;(2) = 141.69, P <.001). After adjusting for age, gender, and estimated duration of disease by logistic regression, the combined odds ratio for incidence of cirrhosis in patients CP positive versus CP negative was 4.87, (95% CI: 3.32, 7.15), indicating a highly significant association between cirrhosis and cryoglobulinemia. In conclusion, cryoglobulins may be a useful prognostic indicator for increased risk of cirrhosis with chronic hepatitis C.
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Affiliation(s)
- Zeid Kayali
- Department of Internal Medicine, University of Iowa College of Medicine, Iowa City, USA
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Barel C, Bilger K, Ninet J, Scoazec JY, Dumortier J. Treatment of hepatitis C virus-associated thrombocytopenic purpura with a combination of interferon alfa-2b and ribavirin. J Clin Gastroenterol 2002; 35:200-1. [PMID: 12172369 DOI: 10.1097/00004836-200208000-00015] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
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Gemignani F, Melli G, Inglese C, Marbini A. Cryoglobulinemia is a frequent cause of peripheral neuropathy in undiagnosed referral patients. J Peripher Nerv Syst 2002; 7:59-64. [PMID: 11939353 DOI: 10.1046/j.1529-8027.2002.02007.x] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Cryoglobulinemia represents an emerging cause of peripheral neuropathy, especially in Southern Europe, in view of its relationship with hepatitis C virus infection. In a series of 100 consecutive referral patients with uncharacterized peripheral neuropathies, we systematically investigated cryoglobulinemia to assess its diagnostic yield. The most frequent diagnosis was hereditary neuropathy (33%), 29% were acquired neuropathies of different types, and no cause could be identified in 27%. Cryoglobulinemic neuropathy was diagnosed in 11 patients (7 women and 4 men), aged 54-77 (mean = 63.5 years), most presenting with sensory polyneuropathy, often asymmetrical. Cryoglobulin was also detected in 2 additional patients in whom a final diagnosis of non-Hodgkin lymphoma was made. Purpura was absent in 4 patients (and in 2 with lymphoma), or restricted to discrete manifestations in the remaining patients, which did not provide a clue to the diagnosis. Thus, search for cryoglobulin proves useful in a substantial number of undiagnosed peripheral neuropathies (11% to 13% in our series), even in the absence of typical skin lesions, and it is recommended as a first-line investigation in patients with unexplained neuropathy presenting in middle to older age.
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Celik AF, Ozaras R, Ozbay G. Follow-up of a patient with chronic hepatitis C-associated cryoglobulinemia during four and a half years of maintenance interferon treatment. J Clin Gastroenterol 2001; 33:327-9. [PMID: 11588550 DOI: 10.1097/00004836-200110000-00015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Abstract
In this report, we present a patient with chronic hepatitis C-associated cryoglobulinemia who was kept on maintenance interferon treatment because of flare-ups in cryoglobulinemia-associated signs and hepatitis after withdrawal, dose reduction, and increase in dose intervals of interferon. This type of interferon use for treatment of cryoglobulinemia gave us a chance to observe the long-term effects of interferon on cryoglobulinemia and chronic hepatitis C remission for biochemical, virologic, and histologic aspects.
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Affiliation(s)
- A F Celik
- Cerrahpasa Medical Faculty, University of Istanbul, Istanbul, Turkey.
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Franchini M, Rossetti G, Tagliaferri A, Capra F, de Maria E, Pattacini C, Lippi G, Lo Cascio G, de Gironcoli M, Gandini G. The natural history of chronic hepatitis C in a cohort of HIV-negative Italian patients with hereditary bleeding disorders. Blood 2001; 98:1836-41. [PMID: 11535518 DOI: 10.1182/blood.v98.6.1836] [Citation(s) in RCA: 65] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
This study looked at 102 anti-hepatitis C virus (HCV)-positive, hepatitis B virus (HBV)-negative, and HIV-negative patients (median age, 45.1 years; range, 15-71) affected by hereditary bleeding disorders who have been infected with HCV for 15 to 34 years (median, 25.1). All these patients were infected before the mid 1980s because of non-virally inactivated pooled blood products. Fourteen patients (13.7%) were HCV-RNA negative with no signs of liver disease and were considered to have cleared the virus. Eighty-eight patients (86.3%) were HCV-RNA positive. The HCV genotype distribution was 1a in 20.5%, 1b in 36.4%, 2 in 17.0%, 3 in 15.9%, 4 in 3.4%, and mixed in 6.8% of cases. Twenty-four patients (23.5%) had serum cryoglobulins, symptomatic in 4 cases, and associated with liver disease and with genotype 1. Among the 88 HCV-RNA-positive patients, 15 (17.0%) had normal alanine aminotransferase levels and abdominal ultrasound, 61 (69.3%) had nonprogressive chronic hepatitis, and 12 (13.7%) had severe liver disease (6 [6.9%] liver cirrhosis, 4 [4.5%] hepatic decompensation, and 2 [2.3%] hepatocellular carcinoma) after a follow-up period of 25 years. There were 3 (3.4%) liver-related deaths. HCV genotype 1, patient's age at evaluation, duration of infection, and severity of congenital bleeding disorder were associated with more advanced liver disease. The results confirm the slow progression of HCV infection in HIV-negative hemophiliacs.
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Affiliation(s)
- M Franchini
- Servizio di Immunoematologia e Trasfusione, Centro Emofilia, Azienda Ospedaliera di Verona, Verona, Italy.
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Christodoulou DK, Dalekos GN, Merkouropoulos MH, Kistis KG, Georgitsi G, Zervou E, Zachou K, Tsianos EV. Cryoglobulinemia due to chronic viral hepatitis infections is not a major problem in clinical practice. Eur J Intern Med 2001; 12:435-441. [PMID: 11557330 DOI: 10.1016/s0953-6205(01)00151-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Background: Essential mixed cryoglobulinemia (EMC) is a systemic disease frequently associated with chronic viral hepatitis. This study was conducted in order to assess the prevalence of EMC in patients with hepatitis B virus (HBV) or hepatitis C virus (HCV) infections. We also evaluated the possible associations of EMC with (1) the clinical, virological, and histological status of liver disease; (2) the presence of EMC-related symptoms; and (3) the response rate to interferon-alpha (IFN-alpha) treatment, in an attempt to address whether EMC is a major problem in hepatitis patients. Methodology: A total of 154 consecutive patients (104 with HBV and 50 with HCV infection) were investigated for the presence of rheumatoid factor (RF), cryoglobulins, and EMC-related manifestations. Sixty-two HBV patients were chronic carriers of hepatitis B surface antigen, 29 had chronic hepatitis B, and 13 HBV cirrhosis. Thirty-five HCV patients had chronic hepatitis C and 15 HCV cirrhosis. HCV genotyping was performed in 44 patients. Results: The prevalence of cryoglobulins was significantly higher (P<0.001) in HCV patients (46%) than in HBV patients (13.4%). EMC was associated with a high frequency of RF detection, older age, and longer duration of viral diseases. Weakness or malaise, arthralgias, and purpura were significantly more frequent in cryoglobulin-positive patients. These manifestations, however, were mild in most of the patients. The EMC-related symptoms were significantly associated with the presence of HCV infection, increased levels of cryoglobulins, and RF detection (P<0.01, P<0.05, and P<0.000005, respectively). Worse liver histology was unrelated to a higher prevalence or increased levels of cryoglobulins in both HBV and HCV infection. There was no relationship between EMC and a specific HCV genotype. IFN-alpha therapy led to the disappearance of cryoglobulins and EMC-related manifestations in most cases. The response rate to IFN-alpha was similar in both groups of patients (with and without EMC). Conclusions: A higher prevalence of EMC was observed in HCV patients than in HBV patients. However, this finding was unrelated to overt clinical manifestations of EMC, a specific HCV genotype, or worse liver histology. The latter suggests that EMC does not contribute to liver injury and vice versa, that EMC pathogenesis is rather unrelated to the degree of liver injury. From a clinical point of view, testing for cryoglobulins seems reasonable only for HCV patients with EMC-related manifestations, since this may have therapeutic consequences. RF detection could be used primarily as a surrogate marker for the existence of cryoglobulins.
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Affiliation(s)
- D K. Christodoulou
- Department of Internal Medicine, Division of Gastroenterology, School of Medicine, University of Ioannina, 451 10, Ioannina, Greece
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38
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Abstract
Few prospective, randomized, placebo-controlled trials have been performed to guide clinicians in the management of neuropathies seen in the setting of monoclonal gammopathies (paraproteins). Recommendations must be made on the basis of clinical experience and information gleaned from various uncontrolled and open-label trials. In every instance, decisions concerning therapy must be based on the clinical setting in which the paraprotein occurs. Treatment of paraproteinemic neuropathies associated with multiple myeloma, amyloidosis, and Waldenström's macroglobulinemia should be directed at the treatment of the underlying disease. These neuropathies often remain recalcitrant to therapy. If the paraprotein results from cryoglobulinemia due to hepatitis C virus infection, interferon-alpha (with or without ribavirin) provides optimal subjective and objective relief from symptoms. For neuropathy associated with osteosclerotic myeloma (POEMS syndrome) and solitary bone lesions, radiation therapy is the most effective and least toxic initial therapy. In those patients with monoclonal gammopathies of undetermined significance (MGUS), consideration of the clinical syndrome may be very helpful in selecting appropriate treatment. Patients who fulfill diagnostic criteria for chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) are best treated in a manner similar to that used for idiopathic CIDP (ie, with intravenous immunoglobulin, plasma exchange, and corticosteroids). Class I evidence documents plasma exchange to be effective in peripheral neuropathies associated with MGUS of the IgG and IgA, but not IgM, types. The most difficult cases to treat are those with peripheral neuropathies associated with IgM monoclonal gammopathies, with or without reactivity to myelin-associated glycoprotein (MAG). A number of published case series propose therapeutic regimens for these conditions, yet optimal treatment remains to be established. In many cases, mildly symptomatic patients should not be subjected to the morbidity associated with current treatment regimens. In those patients requiring treatment, this author initially tries plasma exchange, followed by a course of chlorambucil if the symptoms and signs are predominantly sensory. For cases with rapid progression or significant disability, a regimen of monthly pulses with prednisone and cyclophosphamide is recommended. If improvement does not ensue, a trial of a newer agent, such as rituximab, is recommended. Supportive treatment with physical therapy, orthotics, and ambulatory aids enhances patient independence at a relatively low cost.
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Affiliation(s)
- Matthew P. Wicklund
- Department of Neurology, Division of Neuromuscular Disease, The Ohio State University, 1654 Upham Drive, Columbus, OH 43210, USA.
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McCaughan GW, Zekry A. Effects of immunosuppression and organ transplantation on the natural history and immunopathogenesis of hepatitis C virus infection. Transpl Infect Dis 2000; 2:166-85. [PMID: 11429029 DOI: 10.1034/j.1399-3062.2000.020403.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The hepatitis C virus (HCV) is recognized as the leading cause for parenterally transmitted hepatitis. It is characterized by a high propensity to chronicity. Several efforts have been directed towards understanding the natural history of chronic HCV infection and the immunopathogenic pathways involved in mediating liver injury in the non-immunosuppressed and immunosuppressed states. In the non-immunosuppressed setting, liver damage seems to be largely immune mediated. In contrast, in the non-immunosuppressed state, there are several other factors that may modify the natural course of the infection and play a role in mediating liver injury. In this review we will address the natural history, virological and immunological aspects of HCV infection. Also, the role played by immunosuppression and organ transplantation in modifying the course of the infection and the pathogenesis of liver injury will be discussed.
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Affiliation(s)
- G W McCaughan
- The AW Morrow Gastroenterology and Liver Centre, Royal Prince Alfred Hospital, University of Sydney, Sydney, Australia.
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40
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Hadziyannis SJ, Vassilopoulos D. Complex management issues: management of HCV in the atypical patient. Best Pract Res Clin Gastroenterol 2000; 14:277-91. [PMID: 10890322 DOI: 10.1053/bega.1999.0076] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
Some patients with chronic hepatitis C virus (HCV) infection demonstrate atypical features of presentation and clinical course. These features may be due to direct or indirect effects of the underlying HCV infection or may be part of a separate clinical syndrome. Patients that can be categorized as 'atypical' include immunosuppressed individuals (hypogammaglobulinaemic, co-infected with human immunodeficiency virus, recipients of solid organ or haematopoietic cell transplants, those with associated disease requiring chronic immunosuppressive therapy and patients with chronic renal failure on haemodialysis) as well as patients with various extra-hepatic (HCV-associated mixed cryoglobulinaemia, membranoproliferative glomerulonephritis etc) or autoimmune manifestations. Since many of these patients have been excluded from the large trials evaluating the efficacy of interferon-alpha alone or in combination with ribavirin, data regarding management are limited. In this chapter, the available information regarding the treatment of these patients is reviewed and the frequently encountered therapeutic dilemmas discussed. Finally, some reasonable therapeutic approaches are suggested while the need for controlled studies for these groups of patients is emphasized.
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Affiliation(s)
- S J Hadziyannis
- Academic Department of Medicine, Hippokration General Hospital, Athens, Greece
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Perniola R, De Rinaldis C, Accogli E, Lobreglio G. Prevalence and clinical features of cryoglobulinaemia in multitransfused beta-thalassaemia patients. Ann Rheum Dis 1999; 58:698-702. [PMID: 10531074 PMCID: PMC1752797 DOI: 10.1136/ard.58.11.698] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVE The aim of the study was to determine the prevalence of cryoglobulinaemia and its clinical features among beta-thalassaemia patients. METHODS Eighty eight multitransfused beta-thalassaemia patients were studied. They were physically examined and asked about the presence of cryoglobulinaemia related symptoms. Hepatitis C virus (HCV) serology, HCV-RNA, HCV subtypes, viraemia, serum ferritin, liver and kidney function tests, rheumatoid factor (RF), circulating immune complexes (CIC), complement levels and autoantibodies were all evaluated. The patients were divided into four groups: HCV-RNA positive patients with and without cryoglobulinaemia (groups A and B), HCV-Ab positive/HCV-RNA negative patients (group C), HCV-Ab negative patients (group D). RESULTS Cryoglobulinaemia was present in 35 of 53 (66.0%) patients with chronic HCV infection. They had higher viraemia than non-cryoglobulinaemic viral carriers, but no statistical difference relating to sex or HCV subtypes was found. In comparison with the other groups, group A patients were older, had undergone transfusion therapy for a longer period, had received a higher number of transfusions, and had increased levels of RF and CIC, as well as consumption of C4; in addition, they had a higher prevalence of cirrhosis. Cutaneous lesions (purpura, Raynaud's phenomenon, nodules and leg rash), peripheral neuropathy and sicca syndrome symptoms were present only in group A. Musculoskeletal symptoms (bone pain, arthralgia and myalgia), weakness, splenomegaly, lymphadenopathy, skin ulcers and proteinuria were also commoner in group A, but the difference did not reach statistical significance, possibly because of partial overlap between cryoglobulinaemia and beta-thalassaemia syndromes. CONCLUSION Because of its high prevalence in multitransfused beta-thalassaemia patients, cryoglobulinaemia needs to be systematically studied and considered in the differential diagnosis of various beta-thalassaemia manifestations.
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Affiliation(s)
- R Perniola
- Paediatric Unit, Vito Fazzi Regional Hospital, Lecce, Italy
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42
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Horcajada JP, García-Bengoechea M, Cilla G, Etxaniz P, Cuadrado E, Arenas JI. Mixed cryoglobulinaemia in patients with chronic hepatitis C infection: prevalence, significance and relationship with different viral genotypes. Ann Med 1999; 31:352-8. [PMID: 10574508 DOI: 10.3109/07853899908995902] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
In order to analyse the prevalence and significance of cryoglobulinaemia in patients with chronic hepatitis C virus (HCV) infection and the possible relationship of cryoglobulinaemia with the genotypes of HCV, we studied 89 patients with chronic HCV infection, 42 healthy controls and 22 patients with alcoholic cirrhosis. The patients with HCV were divided into three different groups according to the presence of cirrhosis and alanine aminotransferase levels. Moreover, in 20 patients with HCV and cryoglobulinaemia, HCV RNA sequences were quantified in serum and in cryoprecipitate. Cryoglobulins were detected more frequently in patients with chronic HCV infection than in healthy controls (42.6% vs. 4.7%; P<0.0001). Cryoglobulins were present in 68.4% of patients with HCV-related cirrhosis, which was nearly twice the figure in noncirrhotic HCV-infected patients and alcoholic cirrhotic patients. There were no differences in age, sex, aminotransferase levels or HCV genotype distribution in HCV-infected patients with or without cryoglobulinaemia. Only 13% of patients with chronic HCV infection and cryoglobulins showed symptoms of cryoglobulinaemia. There was a linear association between HCV RNA concentration in sera and in cryoprecipitates (P<0.0005). Patients with chronic HCV infection had a high prevalence of cryoglobulinaemia, especially in advanced forms of the disease, but clinical findings are few. There was no relationship with the genotype of HCV. The presence of HCV RNA in cryoprecipitates supported the hypothesis on the aetiological role of HCV in mixed cryoglobulinaemia.
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Affiliation(s)
- J P Horcajada
- Service of Internal Medicine, Hospital Ntra Sra de Aránzazu, Donostia-San Sebastián, Spain.
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43
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Affiliation(s)
- A Perl
- Departments of Medicine and Microbiology and Immunology, State University of New York Health Science Center, College of Medicine, 750 East Adams Street, Syracuse, NY 13210, USA
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Verbaan H, Carlson J, Eriksson S, Larsson A, Liedholm R, Manthorpe R, Tabery H, Widell A, Lindgren S. Extrahepatic manifestations of chronic hepatitis C infection and the interrelationship between primary Sjögren's syndrome and hepatitis C in Swedish patients. J Intern Med 1999; 245:127-32. [PMID: 10081515 DOI: 10.1046/j.1365-2796.1999.00414.x] [Citation(s) in RCA: 72] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
OBJECTIVE To analyse the frequency of some extrahepatic manifestations of chronic hepatitis C virus (HCV) infection in northern European patients, including a postulated association between HCV and primary Sjögren's syndrome (SS). DESIGN Cohort study. SETTING Department of Medicine, Malmö University Hospital, Sweden. PATIENTS Twenty-one patients with HCV infection and 53 with primary SS (according to the Copenhagen criteria). MAIN OUTCOME MEASURES Cryoglobulins were analysed in all patients, while patients with primary SS were investigated with regard to markers of HCV infection, and HCV patients with objective tests of SS (Schirmer-1 test, break-up time, van Bijsterveld score, sialometry, labial salivary gland biopsy) and antibodies against nuclear antigens, smooth muscle (SMA) and mitochondria (AMA). HCV antigens in small salivary glands from lower lip biopsies were detected by immunohistochemical analysis. RESULTS Only one of the SS patients had detectable cryoprecipitates, while another was HCV-positive. None of the 21 HCV patients had cryoprecipitates. A total of 14/21 (67%) patients with HCV infection had at least one abnormal objective test suggestive of xerostomia or keratoconjunctivitis sicca, while eight (38%) had objective evidence of both eye and salivary gland involvement. HCV antigens were not detected in affected glands. Only two patients had clinical symptoms of SS, and two fulfilled the Copenhagen criteria for SS. None of the HCV-positive patients had detectable antibodies against SS-A, SS-B, RNP, Jo-1, PCNA or Scl-70, and the frequency of ANA/SMA/AMA was low. CONCLUSIONS While involvement of salivary and lacrimal glands was common in Swedish patients with HCV infection, cryoglobulinaemia was not observed. The pathogenetic mechanism responsible for glandular inflammation appears to be different from that in primary SS. HCV infection does not seem to be an aetiological factor for primary SS in this population. These observations suggest that viral, genetic or possibly environmental factors may be responsible for the reported high frequencies of systemic complications associated with chronic hepatitis C infection in southern Europe.
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Affiliation(s)
- H Verbaan
- Department of Medicine, Malmö University Hospital, Sweden
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45
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Abstract
There are many different rheumatic symptoms of gastrointestinal (GI) disorders and a whole range of GI symptoms that occur in rheumatologic disorders. Spondyloarthropathies (SpA) are closely related to the GI tract. Bacterial DNA has been detected in peripheral but not the sacroiliac joints of patients, including enterobacteria; the significance of this finding is not clear yet because antibiotic therapy seems not to be effective. The synovial lymphocyte proliferation of reactive arthritis (ReA) patients to the 60-kD heat-shock protein of Yersinia plays a major role in the immune response. Anti-Klebsiella antibodies are associated with gut lesions in SpA; their significance for the pathogenesis of SpA remains uncertain. ReA patients seem to have an impaired TH1-cytokine response, which might contribute to disease persistence. HLA B27-positive subjects seem to have a low tumor necrosis factor-alpha secretor status, possibly leading to diminished immune responses against certain microbes. In patients with Whipple's disease, Tropheryma whippelii can be cultured from gut biopsy specimens when interleukin-4 is added. The gene for hemochromatosis has been identified. Hepatitis C virus DNA can be found in many patients with cryoglobulinemia. Treatment with interferon-alpha might help in some patients. Effective treatment for primary biliary cirrhosis with ursodeoxycholic acid is not helpful for rheumatic symptoms. The severity of esophageal dysfunction in systemic sclerosis does not correlate with symptoms. GI symptoms do, although not frequently, occur in vasculitides.
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Affiliation(s)
- J Braun
- Department of Nephrology and Rheumatology, Klinikum Benjamin Franklin, Freie Universitat Berlin, Germany
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