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Ngo J, Andalon R, Delgado L, Gilmore M, Downey K, Wu P, Sutjita M. Hepatitis C: A Rare Cause of Subacute Paralysis. Cureus 2023; 15:e39887. [PMID: 37404387 PMCID: PMC10315178 DOI: 10.7759/cureus.39887] [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] [Accepted: 06/02/2023] [Indexed: 07/06/2023] Open
Abstract
The effects of the hepatitis C virus (HCV) on the nervous system have been primarily reported with a pathology of the peripheral nervous system through the involvement of a vasculitic process via cryoglobulinemia. A review of the recent literature reinforced the likely association between chronic HCV infection and transverse myelitis (TM), but the causal relationship remains elusive. Here, we present a rare case of acute TM developing over the course of days from symptom onset and a concomitant new diagnosis of HCV infection. A 31-year-old male with a medical history of stimulant use disorder with intravenous methamphetamine use presented to the hospital for acute bilateral leg weakness. The weakness was predominantly in his thighs and later progressed to his calves over the course of days. He denied urinary or fecal incontinence; however, on hospital day two, he developed acute urinary retention requiring the insertion of a Foley catheter. An initial MRI of the spine revealed an intramedullary T2 hyperintense signal at the lower thoracic cord concerning for TM, multiple sclerosis, ischemia, or neoplasm. MRI of the brain was unremarkable. Lumbar puncture results also displayed no abnormalities. HCV screening should be considered in all patients who develop acute neurological deficits that are not otherwise explained, such as TM, given the significant morbidity associated with delayed treatment.
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Affiliation(s)
- Jennifer Ngo
- Internal Medicine, University of California Riverside School of Medicine, Riverside, USA
| | - Robert Andalon
- Internal Medicine, University of California Riverside School of Medicine, Riverside, USA
| | - Luis Delgado
- School of Medicine, University of California Riverside, Riverside, USA
| | - Mariam Gilmore
- Internal Medicine, Riverside University Health System Medical Center, Riverside, USA
| | - Kelly Downey
- Internal Medicine, Riverside University Health System Medical Center, Riverside, USA
| | - Patrick Wu
- Infectious Disease, Riverside University Health System Medical Center, Riverside, USA
| | - Made Sutjita
- Infectious Disease, Riverside University Health System Medical Center, Riverside, USA
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2
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McEneaney PA, Nicklas BJ, Kuba JL, Rundell JD. Cutaneous Pedal Manifestations in Patient With Hepatitis C Virus-Associated Cryoglobulinemia: Case Report and Review of Literature. THE INTERNATIONAL JOURNAL OF LOWER EXTREMITY WOUNDS 2023; 22:126-129. [PMID: 33089718 DOI: 10.1177/1534734620961893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Cryoglobulinemia is an uncommon blood dyscrasia that can manifest itself in the lower extremity. Due to the insidious nature of this disease, dermatological symptoms and ulcerations can easily be mistaken for more common entities. The authors present an overview of cryoglobulinemia and a case report of a patient with lower extremity manifestations of this disorder. This can provide specific guidance on the steps necessary to accurately establish the diagnosis of cryoglobulinemia or rule it out and pursue other etiologies causing lower extremity ulceration.
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Affiliation(s)
| | - Bonnie J Nicklas
- Louis Stokes Cleveland Veterans Affairs Medical Center, Cleveland, OH, USA
| | - Jennifer L Kuba
- Department of Veterans Affair Medical Center, Cleveland, OH, USA
| | - Joseph D Rundell
- Northern Illinois Foot and Ankle Specialists, Crystal Lake, IL, USA
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3
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Chen WY, Lin PY, Lai CH, Chen YL. Evaluation of Clinical Neuropathy After Living Donor Liver Transplant. EXP CLIN TRANSPLANT 2021; 19:664-670. [PMID: 34085916 DOI: 10.6002/ect.2020.0392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVES Neurologic complications are more common in liver transplants than in other solid-organ transplants. One such neurologic complication, peripheral neuropathy, may cause functional limitations for recipients and have a negative effect on posttransplant quality of life. We aimed to examine the risk factors associated with the occurrence of clinical neuropathy after liver transplant and to investigate the frequency of sensory deficits. MATERIALS AND METHODS In this case-control study, we analyzed factors from medical records of 63 recipients who underwent living donor liver transplant during the period from January 2010 to December 2016. A neuropathy symptom score was assigned to identify the patients who had clinical neuropathy (case group) and the patients without clinical neuropathy (control group). Quantitative sensory testing was performed to measure the warm and cold detection thresholds, and the difference between the 2 groups was examined. RESULTS Compared with controls, patients with clinical neuropathy were older (61.0 vs 55.4 years; P = .028), had higher rates of diabetes (46.2% vs 16.0%; P = .03), and were taking antiviral agents against hepatitis B (100% vs 62%; P = .006). Patients with neuropathic symptoms had significantly increased frequencies of impairment of warm and cold detection thresholds. In addition, the greater severity of symptoms showed higher detection thresholds of warm (control, 40.7℃; mild-to-moderate, 43.8 ℃; severe, 46.0 ℃; P = .007) and cold (control, 28.8℃ ; mild-to-moderate, 27.0 ℃; severe, 21.8 ℃ ; P = .008). CONCLUSIONS Our findings show that older age, diabetes, and treatment with oral antiviral agents against hepatitis B virus were more likely to be associated with the occurrence of clinical neuropathy after liver transplant. Early awareness and careful monitoring are warranted.
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Affiliation(s)
- Wen-Yuan Chen
- From the Department of Pharmacy, Changhua Christian Hospital, Changhua, Taiwan
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4
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Yang YH, Chiang HJ, Yip HK, Chen KJ, Chiang JY, Lee MS, Sung PH. Risk of New-Onset Atrial Fibrillation Among Asian Chronic Hepatitis C Virus Carriers: A Nationwide Population-Based Cohort Study. J Am Heart Assoc 2019; 8:e012914. [PMID: 31711382 PMCID: PMC6915266 DOI: 10.1161/jaha.119.012914] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Background Hepatitis C virus (HCV) infection not only links closely to systemic inflammation but also has numerous extrahepatic manifestations. Chronic inflammation also increases the risk of new-onset atrial fibrillation (AF). However, little is known regarding the clinical association between HCV infection and new-onset AF. Methods and Results We conducted a population-based cohort study using Taiwan's National Health Insurance Research Database during 1997 to 2013. A total of 11 771 HCV-infected patients were included in this study, and each of them was matched in a ratio of 1:4. Because of higher mortality among HCV cohorts, we used both Cox proportional hazard regression and competing risk regression models to compute the hazard ratios accompanying 95% CIs after adjustment for relevant confounder. The results demonstrated that the patients with chronic HCV infection had significantly higher incidence rate (332.0 versus 265.8 in 100 000 person-years, P<0.0001) of new-onset AF compared with the non-HCV population. The adjusted hazard ratio of HCV for new-onset AF was 1.32 (95% CI, 1.20-1.44; P<0.0001) and 1.20 (95% CI, 1.10-1.31; P=0.0001) while calculated with Cox proportional hazard regression model and competing risk model, respectively. Intriguingly, we observed that the patients with HCV treated with antiviral agents had significantly lower incidental AF than those without anti-HCV treatment (1.2% versus 6.0%; P<0.0001). Conclusions Chronic HCV infection was associated with an increased risk of incidental AF probably through sharing common pathology of chronic inflammation. Furthermore, a well-designed study is needed to clarify whether anti-HCV therapy can provide protection against the occurrence of AF.
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Affiliation(s)
- Yao-Hsu Yang
- Department of Traditional Chinese Medicine Chang Gung Memorial Hospital, Chiayi Branch Putzu Taiwan.,Health Information and Epidemiology Laboratory of Chang Gung Memorial Hospital, Chiayi Branch Putzu Taiwan.,School of Medicine Chang Gung University Taoyuan Taiwan
| | - Hsin-Ju Chiang
- Department of Obstetrics and Gynecology College of Medicine Kaohsiung Chang Gung Memorial Hospital and Chang Gung University Kaohsiung Taiwan
| | - Hon-Kan Yip
- Division of Cardiology Department of Internal Medicine College of Medicine Kaohsiung Chang Gung Memorial Hospital and Chang Gung University Kaohsiung Taiwan.,Institute for Translational Research in Biomedicine College of Medicine Kaohsiung Chang Gung Memorial Hospital and Chang Gung University Kaohsiung Taiwan.,Center for Shockwave Medicine and Tissue Engineering Kaohsiung Chang Gung Memorial Hospital Kaohsiung Taiwan.,Department of Medical Research China Medical University Hospital China Medical University Taichung Taiwan.,Department of Nursing Asia University Taichung Taiwan
| | - Ko-Jung Chen
- Health Information and Epidemiology Laboratory of Chang Gung Memorial Hospital, Chiayi Branch Putzu Taiwan
| | - John Y Chiang
- Department of Healthcare Administration and Medical Informatics Kaohsiung Medical University Kaohsiung Taiwan.,Department of Computer Science & Engineering National Sun Yat-sen University Kaohsiung Taiwan
| | - Mel S Lee
- Department of Orthopedics College of Medicine Kaohsiung Chang Gung Memorial Hospital and Chang Gung University Kaohsiung Taiwan
| | - Pei-Hsun Sung
- Division of Cardiology Department of Internal Medicine College of Medicine Kaohsiung Chang Gung Memorial Hospital and Chang Gung University Kaohsiung Taiwan.,Center for Shockwave Medicine and Tissue Engineering Kaohsiung Chang Gung Memorial Hospital Kaohsiung Taiwan
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5
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Lu Q, Zuo L, Dong B, Yan Y, Yang B. Rituximab treatment for immune-complex-mediated membranoproliferative glomerulonephritis. Immunotherapy 2019; 10:1027-1031. [PMID: 30185139 DOI: 10.2217/imt-2018-0031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Immune-complex-mediated membranoproliferative glomerulonephritis (MPGN) is a new concept that refers to MPGN with immunoglobulin and C3 deposition in the kidney based on immunofluorescence examination. It is associated with pathological autoantibodies production. Rituximab, as an immunosuppressive agent, can eliminate B cells selectively. We reported a case that a patient with immune-complex-mediated MPGN and HCV infection, but no cryoglobulinemia, responded well to the treatment of low-dosage of rituximab and steroids. His proteinuria decreased remarkably with the serum creatinine and liver function remaining stable within 1 year. His favorable outcome suggests that low-dosage of rituximab in conjunction with steroids is an effective and safe treatment choice for immune-complex-mediated MPGN.
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Affiliation(s)
- Qianshuo Lu
- Department of Nephrology, Peking University People's Hospital, Beijing,100044, China
| | - Li Zuo
- Department of Nephrology, Peking University People's Hospital, Beijing,100044, China
| | - Bao Dong
- Department of Nephrology, Peking University People's Hospital, Beijing,100044, China
| | - Yu Yan
- Department of Nephrology, Peking University People's Hospital, Beijing,100044, China
| | - Bing Yang
- Department of Nephrology, Peking University People's Hospital, Beijing,100044, China
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6
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Bunchorntavakul C, Mitrani R, Reddy KR. Advances in HCV and Cryoglobulinemic Vasculitis in the Era of DAAs: Are We at the End of the Road? J Clin Exp Hepatol 2018; 8:81-94. [PMID: 29743799 PMCID: PMC5938331 DOI: 10.1016/j.jceh.2017.11.012] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Accepted: 11/30/2017] [Indexed: 12/12/2022] Open
Abstract
Hepatitis C Virus (HCV)-related Mixed Cryoglobulinemia (MC) is a unique condition with complex pathogenesis that involves HCV antigen-driven B-lymphocyte clonal proliferation and mutagenesis. Clinical spectrum of MC ranges from asymptomatic state to clinically-apparent vasculitis involving multiple organs. In the era of Direct-Acting Antiviral (DAA) therapy, patients with HCV-related MC achieve high rates of viral clearance that is commonly accompanied by an improvement in clinical symptoms as well as immunological profiles. Rituximab, either alone or in combination with DAA, has also been shown to be effective. Nevertheless, there have been limited and somewhat conflicting data, particularly over the long-term, regarding the rate and degree of clinical response of MC following DAA therapy. It appears that we have come quite a long way in the last decade with this condition. As with non-MC related HCV, undoubtedly long term outcome data will be forthcoming over the next few years. As we move forward successful therapy of HCV is not likely to be a challenge in contrast to access to therapy.
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Affiliation(s)
- Chalermrat Bunchorntavakul
- Division of Gastroenterology and Hepatology, Department of Medicine, Rajavithi Hospital, College of Medicine, Rangsit University, Rajavithi Road, Ratchathewi, Bangkok 10400, Thailand
| | - Robert Mitrani
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Pennsylvania, 2 Dulles, 3400 Spruce Street, Philadelphia, PA 19104, USA
| | - K. Rajender Reddy
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Pennsylvania, 2 Dulles, 3400 Spruce Street, Philadelphia, PA 19104, USA
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7
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Guo QY, Wu M, Wang YW, Sun GD. Hepatitis C virus-associated cryoglobulinemia with membrano-proliferative glomerulonephritis treated with prednisolone and interferon: A case report. Exp Ther Med 2017; 14:1395-1398. [PMID: 28810602 PMCID: PMC5525644 DOI: 10.3892/etm.2017.4671] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Accepted: 04/13/2017] [Indexed: 11/25/2022] Open
Abstract
Hepatitis C virus (HCV) is a major cause of liver-associated morbidity and has an increasing prevalence worldwide. Hepatitis C virus infection may lead to chronic hepatitis, cirrhosis and liver failure. However, it is also associated with a wide range of extra-hepatic complications, such as cryoglobulinemia, an immune complex disease associated with cryoglobulin leading to multiple organ damage and, while the major symptom is vasculitis. The present study reported on a-58-year-old woman who was diagnosed with HCV-associated cryoglobulinemia with skin, kidney and blood system damage and biopsy-proven cryoglobulinemia membrano-proliferative glomerulonephritis. HCV RNA clearance occurred within a few weeks of interferon treatment and the patient was then treated by prednisolone and sustained interferon. While the therapeutic effect was obvious at first, the disease reappeared in combination with refractory infection and multiple organ failure, and the patient finally died. HCV-associated cryoglobulinemia is uncommon in developing countries such as China, while treatment guidelines remain to be established, particularly if complex complications are present.
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Affiliation(s)
- Qiao-Yan Guo
- Department of Nephrology, The Second Hospital of Jilin University, Changchun, Jilin 130041, P.R. China
| | - Man Wu
- Department of Nephrology, The Second Hospital of Jilin University, Changchun, Jilin 130041, P.R. China
| | - Yang-Wei Wang
- Department of Nephrology, The Second Hospital of Jilin University, Changchun, Jilin 130041, P.R. China
| | - Guang-Dong Sun
- Department of Nephrology, The Second Hospital of Jilin University, Changchun, Jilin 130041, P.R. China
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8
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Hepatic and Mesenteric Vasculitis as Presenting Manifestation of Mixed Cryoglobulinemia Related to Chronic Hepatitis C Virus Infection in a Female Patient. J Clin Rheumatol 2017; 22:212-4. [PMID: 27219310 DOI: 10.1097/rhu.0000000000000399] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Approximately 80% of patients with hepatitis C virus infection develop chronic liver disease as cirrhosis, and 40% develop autoimmune complications as mixed cryoglobulinemia (MC). Gastrointestinal involvement in MC is rare, and even more so is hepatic involvement. We report a case of an 87-year-old woman with a 10-year history of blood transfusion-acquired hepatitis C virus infection, without treatment. She consulted the emergency department for diffuse abdominal pain, associated with vomiting. After 2 weeks of hospitalization in the intensive care unit, a diagnosis of MC was made; cirrhosis and secondary mesenteric and hepatic vasculitis were confirmed by a diagnostic laparoscopy. Unfortunately the condition of the patient worsened with sepsis and resulted in death in the fourth week from admission. This case highlights the importance of having in mind gastrointestinal tract vasculitis as a medical cause of abdominal pain in patients with chronic hepatitis C virus infection and using data laboratory tests, images, and histopathologic studies to aid with the diagnosis.
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9
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Takada S, Uchida-Kobayashi S, Iida-Ueno A, Teranishi Y, Motoyama H, Kozuka R, Kawamura E, Hagihara A, Ishizu H, Morikawa H, Enomoto M, Murakami Y, Tamori A, Kawada N. A case of hepatitis C virus-associated mixed cryoglobulinemic vasculitis treated with daclatasvir and asunaprevir. KANZO 2016; 57:328-333. [DOI: 10.2957/kanzo.57.328] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/08/2023]
Affiliation(s)
- Sayuri Takada
- Department of Gastoroenterology, Kashiwara Municipal Hospital
| | | | - Ayako Iida-Ueno
- Department of Hepatology, Graduate School of Medicine, Osaka City University
| | - Yuga Teranishi
- Department of Hepatology, Graduate School of Medicine, Osaka City University
| | - Hiroyuki Motoyama
- Department of Hepatology, Graduate School of Medicine, Osaka City University
| | - Ritsuzo Kozuka
- Department of Hepatology, Graduate School of Medicine, Osaka City University
| | - Etsushi Kawamura
- Department of Hepatology, Graduate School of Medicine, Osaka City University
| | - Atsushi Hagihara
- Department of Hepatology, Graduate School of Medicine, Osaka City University
| | - Hirotaka Ishizu
- Department of Gastoroenterology, Kashiwara Municipal Hospital
| | - Hiroyasu Morikawa
- Department of Hepatology, Graduate School of Medicine, Osaka City University
| | - Masaru Enomoto
- Department of Hepatology, Graduate School of Medicine, Osaka City University
| | - Yoshiki Murakami
- Department of Hepatology, Graduate School of Medicine, Osaka City University
| | - Akihiro Tamori
- Department of Hepatology, Graduate School of Medicine, Osaka City University
| | - Norifumi Kawada
- Department of Hepatology, Graduate School of Medicine, Osaka City University
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10
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Rossa AD, Tavoni A, Bombardieri S. Cryoglobulinemia. Rheumatology (Oxford) 2015. [DOI: 10.1016/b978-0-323-09138-1.00163-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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11
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Membranoproliferative glomerulonephritis, type II cryoglobulinemia and triple therapy for hepatitis C: a case series and review of the literature. Dig Dis Sci 2014; 59:2007-12. [PMID: 24633573 DOI: 10.1007/s10620-014-3085-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2013] [Accepted: 02/18/2014] [Indexed: 12/20/2022]
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12
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Ozkok A, Yildiz A. Hepatitis C virus associated glomerulopathies. World J Gastroenterol 2014; 20:7544-7554. [PMID: 24976695 PMCID: PMC4069286 DOI: 10.3748/wjg.v20.i24.7544] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2013] [Revised: 02/08/2014] [Accepted: 04/03/2014] [Indexed: 02/06/2023] Open
Abstract
Hepatitis C virus (HCV) infection is a systemic disorder which is often associated with a number of extrahepatic manifestations including glomerulopathies. Patients with HCV infection were found to have a higher risk of end-stage renal disease. HCV positivity has also been linked to lower graft and patient survivals after kidney transplantation. Various histological types of renal diseases are reported in association with HCV infection including membranoproliferative glomerulonephritis (MPGN), membranous nephropathy, focal segmental glomerulosclerosis, fibrillary glomerulonephritis, immunotactoid glomerulopathy, IgA nephropathy, renal thrombotic microangiopathy, vasculitic renal involvement and interstitial nephritis. The most common type of HCV associated glomerulopathy is type I MPGN associated with type II mixed cryoglobulinemia. Clinically, typical renal manifestations in HCV-infected patients include proteinuria, microscopic hematuria, hypertension, acute nephritis and nephrotic syndrome. Three approaches may be suggested for the treatment of HCV-associated glomerulopathies and cryoglobulinemic renal disease: (1) antiviral therapy to prevent the further direct damage of HCV on kidneys and synthesis of immune-complexes; (2) B-cell depletion therapy to prevent formation of immune-complexes and cryoglobulins; and (3) nonspecific immunosuppressive therapy targeting inflammatory cells to prevent the synthesis of immune-complexes and to treat cryoglobulin associated vasculitis. In patients with moderate proteinuria and stable renal functions, anti-HCV therapy is advised to be started as pegylated interferon-α plus ribavirin. However in patients with nephrotic-range proteinuria and/or progressive kidney injury and other serious extra-renal manifestations, immunosuppressive therapy with cyclophosphamide, rituximab, steroid pulses and plasmapheresis should be administrated.
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13
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Yamazaki T, Akimoto T, Okuda K, Sugase T, Takeshima E, Numata A, Morishita Y, Iwazu Y, Yoshizawa H, Komada T, Iwazu K, Saito O, Takemoto F, Muto S, Kusano E. Purpura with ulcerative skin lesions and mixed cryoglobulinemia in a quiescent hepatitis B virus carrier. Intern Med 2014; 53:115-9. [PMID: 24429450 DOI: 10.2169/internalmedicine.53.1203] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Mixed cryoglobulinemia is occasionally seen in patients with hepatitis B virus (HBV) infection. This report presents the case of a quiescent HBV carrier who had type II mixed cryoglobulinemia, protracted purpura, ulcerative skin lesions and advanced chronic kidney disease. The cutaneous manifestations of the patient improved along with a decrease in the serum cryoglobulin and HBV-deoxyribonucleic acid levels following the initiation of oral entecavir in combination with plasmapheresis. However, the patient ultimately required prednisolone due to the limited benefits of these treatments. We also discuss various concerns regarding steroid treatment in patients with mixed cryoglobulinemia complicated by HBV infection.
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Affiliation(s)
- Tomoyuki Yamazaki
- Division of Nephrology, Department of Internal Medicine, Jichi Medical University, Japan
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14
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Williams ME, Balogun RA. Principles of separation: indications and therapeutic targets for plasma exchange. Clin J Am Soc Nephrol 2013; 9:181-90. [PMID: 24178973 DOI: 10.2215/cjn.04680513] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Extracorporeal "blood purification," mainly in the form of hemodialysis has been a major portion of the clinical activity of many nephrologists for the past 5 decades. A possibly older procedure, therapeutic plasma exchange, separates and then removes plasma as a method of removing pathogenic material from the patient. In contrast to hemodialysis, therapeutic plasma exchange preferentially removes biologic substances of high molecular weight such as autoantibodies or alloantibodies, antigen-antibody complexes, and Ig paraproteins. These molecular targets may be cleared through two alternative procedures: centrifugal separation and membrane separation. This review presents operational features of each procedure, with relevance to the nephrologist. Kinetics of removal of these plasma constituents are based on the principles of separation by the apheresis technique and by features specific to each molecular target, including their production and compartmentalization in the body. Molecular targets for common renal conditions requiring therapeutic plasma exchange are also discussed in detail.
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Affiliation(s)
- Mark E Williams
- Renal Division, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, †Division of Nephrology, University of Virginia, Charlottesville, Virginia
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15
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Samuel DG, Rees IW. Extrahepatic manifestations of hepatitis C virus (HCV). Frontline Gastroenterol 2013; 4:249-254. [PMID: 28839734 PMCID: PMC5369834 DOI: 10.1136/flgastro-2013-100315] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2013] [Revised: 04/21/2013] [Accepted: 04/25/2013] [Indexed: 02/04/2023] Open
Abstract
Hepatitis C virus (HCV) is an infectious disease that often remains asymptotic and unrecognised until complications of the virus arise. These often include extrahepatic manifestations of the virus, which first bring patients into contact with the medical profession. First recognised in the 1990s several syndromes and conditions have now been linked to hepatitis C, while others are still emerging. In some patients, extrahepatic manifestations can be the dominant feature, while hepatic disease is mild. Some conditions have an established association with the virus with a proven pathophysiological and epidemiology, such as cryoglobulinaemia. Others have consistently been found to be seen in patients with HCV, but the underlying cause of these conditions is not clearly understood. These include porphyria cutanea tarda. Many other autoimmune conditions are commonly seen in the patients with HCV as well as nephropathies, but the exact interplay between virus and resulting clinical condition is not clear. Clinicians have to have a high index of suspicion and a knowledge of the extrahepatic manifestations of HCV in order to not only treat the manifestation but also in initiated timely therapies for the underlying HCV.
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Affiliation(s)
- David G Samuel
- Department of Gastroenterology, Prince Phillip Hospital, Llanelli, UK
| | - Ian W Rees
- Department of Gastroenterology, Prince Phillip Hospital, Llanelli, UK
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16
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Esposito P, Rampino T, Gregorini M, Fasoli G, Gamba G, Dal Canton A. Renal diseases in haemophilic patients: pathogenesis and clinical management. Eur J Haematol 2013; 91:287-94. [PMID: 23651176 DOI: 10.1111/ejh.12134] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/03/2013] [Indexed: 02/05/2023]
Abstract
Haemophilia A and B are genetic X-linked bleeding disorders, caused by mutations in genes encoding factors VIII and IX, respectively. Clinical manifestations of haemophilia are spontaneous haemorrhage or acute bleeding caused by minor trauma, resulting in severe functional consequences that can culminate in a debilitating arthropathy. Life expectancy and quality of life of patients with haemophilia have dramatically improved over the last years, mainly for new therapeutic options and the awareness to the risk of HCV and HIV infections. Different clinical problems arise from this important change in history of patients with haemophilia. In particular, ageing-related diseases, such as diabetes, hypertension and cancer, and chronic viral infections are emerging as new challenges in this patient population. Among the different types of chronic illnesses, renal diseases are of special interest as they involve some difficult management issues. In fact, decisions regarding adequate preventive strategies and viral infection treatment, the choice of the dialytic modality, placement of vascular access and prescription of dialytic treatments are particularly complicated, because only few data are available. In this review, we discuss the pathogenesis of renal damage in patients with haemophilia, especially in those with blood-transmitted viral infections, and the major issues about the management of renal diseases, including problems related to dialytic treatment and kidney transplantation, providing practical algorithms to guide the clinical decision-making process.
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Affiliation(s)
- Pasquale Esposito
- Unit of Nephrology, Dialysis and Transplantation, Fondazione IRCCS Policlinico S.Matteo and University of Pavia, Pavia, Italy
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Differential regulation of interleukin-12 (IL-12)/IL-23 by Tim-3 drives T(H)17 cell development during hepatitis C virus infection. J Virol 2013; 87:4372-83. [PMID: 23388728 DOI: 10.1128/jvi.03376-12] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Cytokine production by innate immunity is critical for shaping the adaptive immunity through regulation of T cell differentiation. In this report, we studied T cell immunoglobulin mucin domain protein 3 (Tim-3) expression on monocytes and its regulatory effect on interleukin-12 (IL-12)/IL-23 production by CD14(+) monocytes, as well as IL-17 production by CD4(+) T cells in individuals with chronic hepatitis C virus (HCV) infection. We found that Tim-3 and IL-23p19 are highly expressed and that IL-12p35 is inhibited in human CD14(+) monocytes, while IL-17 expression is upregulated in CD4(+) T cells, in chronically HCV-infected individuals compared to healthy subjects. Interestingly, Tim-3 expression is closely associated with the differential regulation of IL-12/IL-23 expression in CD14(+) monocytes and correlated to IL-17 production by CD4(+) T cells. These Tim-3-associated IL-12/IL-23/IL-17 dysregulations in HCV-infected individuals are also recapitulated in vitro by incubating healthy monocytes or peripheral blood mononuclear cells with Huh-7 hepatoma cells transfected with HCV RNA. Importantly, blocking Tim-3 signaling on monocytes restores the balance of IL-12/IL-23 through the intracellular STAT3 signaling, which in turn reverses the upregulated IL-17 expression both ex vivo and in vitro. Our findings suggest that Tim-3-mediated differential regulation of IL-12/IL-23 drives T(H)17 cell development, a milieu favoring viral persistence and autoimmune phenomenon during HCV infection.
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Extrahepatic manifestations and autoantibodies in patients with hepatitis C virus infection. Clin Dev Immunol 2012. [PMID: 22988469 DOI: 10.1155/2012/871401]] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Patients with chronic hepatitis C virus (HCV) infection frequently have many extrahepatic manifestations, as persistent HCV infection often triggers lymphoproliferative disorders and metabolic abnormalities. These manifestations primarily include autoimmune disorders such as cryoglobulinemia, Sjögren's syndrome, and autoimmune thyroid disorders. It has been well established that chronic HCV infection plays important roles in the production of non-organ-specific autoantibodies, including antinuclear antibodies and smooth muscle antibodies, and organ-specific autoantibodies such as thyroid autoantibodies. However, the clinical significance of autoantibodies associated with the extrahepatic manifestations caused by HCV infection has not been fully recognized. In this paper, we mainly focus on the relationship between extrahepatic manifestations and the emergence of autoantibodies in patients with HCV infection and discuss the clinical relevance of the autoantibodies in the extrahepatic disorders.
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Himoto T, Masaki T. Extrahepatic manifestations and autoantibodies in patients with hepatitis C virus infection. Clin Dev Immunol 2012; 2012:871401. [PMID: 22988469 PMCID: PMC3440923 DOI: 10.1155/2012/871401] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2012] [Revised: 06/13/2012] [Accepted: 06/13/2012] [Indexed: 12/17/2022]
Abstract
Patients with chronic hepatitis C virus (HCV) infection frequently have many extrahepatic manifestations, as persistent HCV infection often triggers lymphoproliferative disorders and metabolic abnormalities. These manifestations primarily include autoimmune disorders such as cryoglobulinemia, Sjögren's syndrome, and autoimmune thyroid disorders. It has been well established that chronic HCV infection plays important roles in the production of non-organ-specific autoantibodies, including antinuclear antibodies and smooth muscle antibodies, and organ-specific autoantibodies such as thyroid autoantibodies. However, the clinical significance of autoantibodies associated with the extrahepatic manifestations caused by HCV infection has not been fully recognized. In this paper, we mainly focus on the relationship between extrahepatic manifestations and the emergence of autoantibodies in patients with HCV infection and discuss the clinical relevance of the autoantibodies in the extrahepatic disorders.
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Affiliation(s)
- Takashi Himoto
- Department of Gastroenterology and Neurology, Kagawa University School of Medicine, Kagawa, Japan.
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Extrahepatic manifestations and autoantibodies in patients with hepatitis C virus infection. Clin Dev Immunol 2012. [PMID: 22988469 DOI: 10.1155/2012/871401].] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Patients with chronic hepatitis C virus (HCV) infection frequently have many extrahepatic manifestations, as persistent HCV infection often triggers lymphoproliferative disorders and metabolic abnormalities. These manifestations primarily include autoimmune disorders such as cryoglobulinemia, Sjögren's syndrome, and autoimmune thyroid disorders. It has been well established that chronic HCV infection plays important roles in the production of non-organ-specific autoantibodies, including antinuclear antibodies and smooth muscle antibodies, and organ-specific autoantibodies such as thyroid autoantibodies. However, the clinical significance of autoantibodies associated with the extrahepatic manifestations caused by HCV infection has not been fully recognized. In this paper, we mainly focus on the relationship between extrahepatic manifestations and the emergence of autoantibodies in patients with HCV infection and discuss the clinical relevance of the autoantibodies in the extrahepatic disorders.
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McLeod DSA, Woods ML, Kandiah DA. Immune reconstitution inflammatory syndrome manifesting as development of multiple autoimmune disorders and skin cancer progression. Intern Med J 2012; 41:699-703. [PMID: 21899684 DOI: 10.1111/j.1445-5994.2011.02546.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We report the case of a 56-year-old man with the rare autoimmune pathologies of alternating hypothyroidism and hyperthyroidism due to thyroid-stimulating hormone receptor antibodies, and rheumatoid arthritis as manifestations of a human immunodeficiency virus-related immune reconstitution inflammatory syndrome. The patient also developed overt progression of a pre-existing skin malignancy that may also be related. This case highlights immune reconstitution syndrome as an important differential diagnosis following antiretroviral therapy commencement, and that a high index of suspicion should be maintained for this rare but important cluster of conditions. Furthermore, the patient's genetic predisposition to autoimmunity provides helpful insights into the pathogenesis of these disorders.
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Affiliation(s)
- D S A McLeod
- Department of Endocrinology, Royal Brisbane and Women's Hospital, Brisbane, Queensland, Australia.
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Johnson CC, Ohlstein DH. Peripheral ulcerative keratitis and necrotizing scleritis initiated by trauma in the setting of mixed cryoglobulinemia. Case Rep Ophthalmol 2011; 2:392-7. [PMID: 22220165 PMCID: PMC3250665 DOI: 10.1159/000334496] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Purpose To report a case of peripheral ulcerative keratitis and necrotizing scleritis precipitated by trauma in a patient with mixed cryoglobulinemia due to hepatitis C viral infection. Methods Case report and literature review. Results A 62-year-old man with a history of mixed cryoglobulinemia developed an episode of necrotizing scleritis and peripheral ulcerative keratitis one month after repair of a traumatic scleral defect with patch grafting. This episode resolved following treatment with high-dose corticosteroids and the patient underwent successful repeat patch grafting along with a free conjunctival autograft. This is the second reported case of necrotizing scleritis and peripheral ulcerative keratitis associated with mixed cryoglobulinemia. Conclusion Ophthalmologists should be aware of the association between mixed cryoglobulinemia and necrotizing scleritis/peripheral ulcerative keratitis. Patients with this condition experiencing ocular trauma or undergoing ocular surgery should be monitored closely.
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Abstract
Viral infections may manifest as acute or chronic arthritis. Joint involvement arises from either direct infection of the joint, through an immunological response directed towards the virus or autoimmunity. Epidemiological clues to the diagnosis include geographic location and exposure to vector-borne, blood-borne or sexually transmitted viruses. Although not always possible, it is important to diagnose the pathogenic virus, usually by serology, nucleic acid tests or rarely, viral culture. In general, viral arthritides are self-limiting and treatment is targeted at symptomatic relief. This article focuses on the causes, clinical features, diagnosis and treatment of viral arthritides.
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Affiliation(s)
- Alexander C Outhred
- Centre for Infectious Diseases and Microbiology Laboratory Services, Institute of Clinical Pathology and Medical Research, Westmead Hospital, Westmead, New South Wales 2145, Australia.
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Bhattacharyya J, Mihara K, Takihara Y, Kimura A. Successful treatment of IgM-monoclonal gammopathy of undetermined significance associated with cryoglobulinemia and cold agglutinin disease with immunochemotherapy with rituximab, fludarabine, and cyclophosphamide. Ann Hematol 2011; 91:797-799. [DOI: 10.1007/s00277-011-1322-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2011] [Accepted: 08/24/2011] [Indexed: 11/28/2022]
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Velasco A, Islam S, Nugent K. Bilateral foot necrosis caused by hepatitis C virus-induced mixed type II cryoglobulinemia. Clin Gastroenterol Hepatol 2011; 9:A22. [PMID: 21699801 DOI: 10.1016/j.cgh.2011.05.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2011] [Revised: 04/28/2011] [Accepted: 05/03/2011] [Indexed: 02/07/2023]
Affiliation(s)
- Alejandro Velasco
- Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, Texas, USA
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Khan SN, Cox JV, Nishimoto SK, Chen C, Fritzler MJ, Hendershot LM, Weigert M, Radic M. Intra-Golgi formation of IgM-glycosaminoglycan complexes promotes Ig deposition. THE JOURNAL OF IMMUNOLOGY 2011; 187:3198-207. [PMID: 21841132 DOI: 10.4049/jimmunol.1101336] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Immune complexes arise from interactions between secreted Ab and Ags in the surrounding milieu. However, it is not known whether intracellular Ag-Ab interactions also contribute to the formation of extracellular immune complexes. In this study, we report that certain murine B cell hybridomas accumulate intracellular IgM and release large, spherical IgM complexes. The complexes (termed "spherons") reach 2 μm in diameter, detach from the cell surface, and settle out of solution. The spherons contain IgM multimers that incorporate the J chain and resist degradation by endoglycosidase H, arguing for IgM passage through the Golgi. Treatment of cells with inhibitors of proteoglycan synthesis, or incubation of spherons with chondroitinase ABC, degrades spherons, indicating that spheron formation and growth depend on interactions between IgM and glycosaminoglycans. This inference is supported by direct binding of IgM to heparin and hyaluronic acid. We conclude that, as a consequence of IgM binding to glycosaminoglycans, multivalent IgM-glycan complexes form in transit of IgM to the cell surface. Intra-Golgi formation of immune complexes could represent a new pathogenic mechanism for immune complex deposition disorders.
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Affiliation(s)
- Salar N Khan
- Department of Molecular Sciences, University of Tennessee Health Science Center, Memphis, TN 38163, USA
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Abstract
Cryoglobulins are immunoglobulins that precipitate below 37°C and can cause multiorgan damage. There are three types of cryoglobulins: Type I (also called simple), which is mostly associated with monoclonal gammopathy and/or other hematologic disorders and Type II and Type III (known as mixed cryoglobulins), which are associated with infectious and systemic diseases. Testing for cryoglobulins is complicated by lack of reference range, standards, and stringency in maintaining testing temperature conditions. Identification of cryoprecipitate can be critical for patient care; therefore, correct testing conditions are crucial for reliable cryoglobulin testing. The patient's blood sample should be kept at 37°C initially to avoid premature precipitation of cryoglobulins and thereby decreasing the yield for subsequent identification. This could cause a false negative result. After warm centrifugation or warm cell precipitation, the clear serum is observed at 4°C for formation of cryoprecipitate. The cryoprecipitate is then washed in cold buffer, and the resulting precipitate is warmed to 37°C and subjected to further analysis by immunodiffusion and immunofixation. In addition to Meltzer's triad of purpura, weakness and arthralgias, cryoglobulinemias have protean manifestations involving skin, joints, kidney, nervous system, as well as the hematopoietic system. The management of cryoglobulinemia especially in patients with organ damage remains difficult. Treatment of cryoglobulinemia focuses on management of the underlying lymphoproliferative disorder or infectious or systemic causes. Medical management may also include corticosteroids and other immunosuppressive agents and plasmapheresis. Rituximab therapy seems to abrogate the aberrant B cell response.
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Affiliation(s)
- Gabriela Motyckova
- Massachusetts General Hospital Cancer Center, Boston, Massachusetts 02114, USA
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Abbass K, Bernstein JM, Ajam A. A rare presentation of pulmonary hemorrhage with hepatitis C-associated cryoglobulinemia and membranoproliferative glomerulonephritis. Clin Kidney J 2010; 3:598-9. [PMID: 25949483 PMCID: PMC4421426 DOI: 10.1093/ndtplus/sfq169] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2010] [Accepted: 09/06/2010] [Indexed: 11/14/2022] Open
Affiliation(s)
- Khurram Abbass
- Dayton Veteran's Affairs Medical Center , Wright State University, Boonshoft School of Medicine, Dayton, OH , USA
| | - Jack M Bernstein
- Dayton Veteran's Affairs Medical Center , Wright State University, Boonshoft School of Medicine, Dayton, OH , USA
| | - Ali Ajam
- Dayton Veteran's Affairs Medical Center , Wright State University, Boonshoft School of Medicine, Dayton, OH , USA
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Mannu GS. An interesting rash: leucocytoclastic vasculitis with type 2 cryoglobulinaemia. JRSM SHORT REPORTS 2010; 1:54. [PMID: 21234117 PMCID: PMC2994356 DOI: 10.1258/shorts.2010.010070] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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