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Kawatani T, Suou T, Tajima F, Ishiga K, Omura H, Endo A, Ohmura H, Ikuta Y, Idobe Y, Kawasaki H. Incidence of hepatitis virus infection and severe liver dysfunction in patients receiving chemotherapy for hematologic malignancies. Eur J Haematol 2001; 67:45-50. [PMID: 11553266 DOI: 10.1034/j.1600-0609.2001.067001045.x] [Citation(s) in RCA: 86] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Hepatitis virus infection through virus reactivation has a high risk of mortality in patients with hematological malignancies receiving chemotherapy. We examined the incidence of both hepatitis B virus (HBV) and hepatitis C virus (HCV) infection and severe liver dysfunction (alanine aminotransferase >ten times the normal upper limit and total bilirubin >5 mg/dl) during chemotherapy in 268 patients with hematological malignancies. Eight patients (3.0%) were infected with HBV and 22 patients (8.2%) were infected with HCV. One patient (0.4%) was infected with both HBV and HCV. HBV- or HCV-infected patients showed severe liver dysfunction at a significantly higher incidence than non-infected patients (11/31 (35.5%) vs. 0/237 (0%), p<0.0001). Furthermore, the incidence of severe liver dysfunction in HBV-infected patients was significantly higher than in HCV-infected patients (6/8 (75.0%) vs. 4/22 (18.2%), p<0.01). Three of eight HBV-infected patients were initially negative for hepatitis B surface antigen (HBsAg) by latex agglutination and became positive for HBsAg during chemotherapy. Furthermore, all three patients developed severe liver dysfunction and two developed fatal fulminant hepatitis. From an examination of the original stock of serum samples before chemotherapy, two patients were found to be positive for HBV-DNA by polymerase chain reaction (PCR). Although post-transfusion HBV infection was suspected in the one remaining patient, the cause of HBV infection could not be clarified due to the impossibility of examination in blood donors. Since HBV-infected patients develop severe liver dysfunction at a higher incidence than either patients not infected with virus or HCV-infected patients before chemotherapy for hematological malignancies, it is recommended that HBV-DNA should be tested by PCR to detect HBV marker-negative carriers and liver function tests should be carefully monitored.
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Affiliation(s)
- T Kawatani
- Second Department of Internal Medicine, Faculty of Medicine, Tottori University, Yonago, Japan
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Kocabaş E, Aksaray N, Alhan E, Tanyeli A, Köksal F, Yarkin F. Hepatitis B and C virus infections in Turkish children with cancer. Eur J Epidemiol 1997; 13:869-73. [PMID: 9476814 DOI: 10.1023/a:1007420725704] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
In this study, we tested 137 Turkish children with cancer (51 with acute leukemia, 48 with lymphoma, 38 with solid tumors) while they were undergoing chemotherapy, and a control group of 45 for evidence of hepatitis B virus (HBV) and hepatitis C virus (HCV) infections using the enzyme-linked immunosorbent assay (ELISA) and polymerase chain reaction (PCR). The control group included children with other disease who had applied to the outpatient clinic during the study period and had no history of jaundice or transfusion. Sixty-five (47.4%) patients with cancer and 7 (20%) children in the control group were positive for hepatitis B surface antigen (HBsAg) (p < 0.01). HBV DNA was detected in 59 (43.1%) patients and in 9 (20%) controls (p < 0.01). HCV specific antibody (anti-HCV) was detected in 8 (5.8%) patients and in 1 (2.2%) control (p > 0.05). Eight patients (5.8%) had circulating HCV RNA, but none had in the control group (p = 0.09). Ten (13.9%) of the 72 patients who were negative for HBsAg had circulating HBV DNA, and 7 (5.4%) of the 129 patients who were negative for anti-HCV had circulating HCV RNA. We concluded that HBV and HCV infections are common among Turkish children with cancer. In countries where HBV infection is widespread among the general population as in Turkey, children with cancer are under greater risk for HBV infection.
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Affiliation(s)
- E Kocabaş
- Department of Pediatric Infection, Cukurova University, Faculty of Medicine, Adana, Turkey
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Quin JW. Interferon therapy for acute hepatitis C viral infection--a review by meta-analysis. AUSTRALIAN AND NEW ZEALAND JOURNAL OF MEDICINE 1997; 27:611-7; discussion 617-8. [PMID: 9404604 DOI: 10.1111/j.1445-5994.1997.tb00985.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
BACKGROUND Hepatitis C viral (HCV) infection poses a major health problem for Australia. Currently interferon therapy is approved only for people with chronic infection, yet the literature contains a number of studies that show that there is a better response to interferon in symptomatic acute HCV. AIM To review the response to interferon therapy in acute HCV by way of meta-analysis. METHODS This study was a retrospective review of the data on the use of interferon therapy in acute HCV. The meta-analysis was performed using the methods of DerSimonian and Laird. Data were presented by calculating the risk difference which estimated efficacy by calculating the proportion of patients in treatment groups who responded better (0 to +1.0) or worse (0 to -1.0) than untreated control groups. RESULTS A meta-analysis of six studies on the use of 3MU of interferon alpha 2b (IFN-alpha 2b) three times a week for six to 24 weeks showed a significant response as measured by long term (> 12 months) normalisation of alanine aminotransferase (ALT) and clearance of HCV RNA (as measured by polymerase chain reaction). The risk of difference was +0.31 (95% CI of +0.19 to +0.43, p < 0.01) and +0.33 (95% CI of +0.08 to +0.58, p < 0.001) respectively. Slightly better results were seen with daily doses of 3MU of interferon beta (IFN-beta) given intravenously over four to seven weeks. This produced a risk difference of +0.57 (95% CI of +0.26 to +0.88, p < 0.02) for normalisation of ALT and +0.83 (95% CI of +0.61 to 1.00, p < 0.001) for clearance of HCV. Results for higher daily doses of both IFN alpha and beta were limited to a few studies and most were uncontrolled. 6MU of IFN-alpha 2b three times a week for 16 to 24 weeks produced a risk difference of +0.53 (95% CI +0.17 to +0.89, p < 0.05) for normalisation of ALT and +0.44 (95% CI +0.06 to +0.82) for clearance of HCV RNA. Results with 6MU daily for eight weeks of IFN-beta in an uncontrolled study, showed up to 90% patients cleared HCV long term. Preliminary results with 10MU of IFN-alpha 2b daily for four to six weeks also showed long term clearance of HCV RNA and normalisation of ALT in 90% of treated patients. CONCLUSION Short term (six weeks to six months) treatment of symptomatic acute HCV with interferon (both alpha and beta) produced a better long term response rate than prolonged therapy (> 12 months) in chronic HCV. Daily doses of 6MU and 10MU produced better responses than 3MU but more studies are needed to determine the optimum regime.
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Affiliation(s)
- J W Quin
- Division of Medicine, Liverpool Health Services, Sydney, NSW
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Outbreak of Hepatitis C Virus Infection in Patients With Hematologic Disorders Treated With Intravenous Immunoglobulins: Different Prognosis According to the Immune Status. Blood 1997. [DOI: 10.1182/blood.v90.3.1309.1309_1309_1314] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The influence of immunodeficiency on the course of hepatitis C virus (HCV) infection is still debated, although a worsening effect has been suggested. We compared the characteristics of hepatitis C in two groups of hematologic patients with different levels of immunocompetence who acquired the same virus strain after treatment with contaminated intravenous immunoglobulins (IVIG). Indications for IVIG therapy were idiopathic thrombocytopenic purpura (ITP) in six patients and hypogammaglobulinemia in 7 patients with various hematologic disorders, who were defined immunodeficient (ID). Infection rate was 100%. Five ID patients never developed HCV antibodies despite serum HCV-RNA positivity. The same HCV genotype was shown in 10 patients tested. Moreover, E1-E2 gene partial nucleotide sequencing, performed in four patients, showed identical or closely related amino acid sequences, thus strongly supporting the hypothesis of a common source of infection. Clinical acute infection did not differ significantly between the two groups, but subsequent liver failure developed in five of the seven ID patients and in none of the ITP patients (P = .04). Liver biopsy, performed in three cases, documented HCV as the only cause of liver damage. Six ID patients died, with liver disease being the primary cause of death in four cases and a contributory cause in two cases. Their median survival after IVIG was 12 months, significantly worse than that of ITP patients (P = .0028). We conclude that immunodeficiency markedly worsens the course of IVIG-acquired HCV infection in hematologic patients.
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Outbreak of Hepatitis C Virus Infection in Patients With Hematologic Disorders Treated With Intravenous Immunoglobulins: Different Prognosis According to the Immune Status. Blood 1997. [DOI: 10.1182/blood.v90.3.1309] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Abstract
The influence of immunodeficiency on the course of hepatitis C virus (HCV) infection is still debated, although a worsening effect has been suggested. We compared the characteristics of hepatitis C in two groups of hematologic patients with different levels of immunocompetence who acquired the same virus strain after treatment with contaminated intravenous immunoglobulins (IVIG). Indications for IVIG therapy were idiopathic thrombocytopenic purpura (ITP) in six patients and hypogammaglobulinemia in 7 patients with various hematologic disorders, who were defined immunodeficient (ID). Infection rate was 100%. Five ID patients never developed HCV antibodies despite serum HCV-RNA positivity. The same HCV genotype was shown in 10 patients tested. Moreover, E1-E2 gene partial nucleotide sequencing, performed in four patients, showed identical or closely related amino acid sequences, thus strongly supporting the hypothesis of a common source of infection. Clinical acute infection did not differ significantly between the two groups, but subsequent liver failure developed in five of the seven ID patients and in none of the ITP patients (P = .04). Liver biopsy, performed in three cases, documented HCV as the only cause of liver damage. Six ID patients died, with liver disease being the primary cause of death in four cases and a contributory cause in two cases. Their median survival after IVIG was 12 months, significantly worse than that of ITP patients (P = .0028). We conclude that immunodeficiency markedly worsens the course of IVIG-acquired HCV infection in hematologic patients.
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Ribas A, Butturini A, Locasciulli A, Aricò M, Gale RP. How important is hepatitis C virus (HCV)-infection in persons with acute leukemia? Leuk Res 1997; 21:785-8. [PMID: 9379686 DOI: 10.1016/s0145-2126(97)00037-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Hepatitis C virus (HCV)-infection is common in persons with leukemia. Blood transfusions are the typical source and HCV-related chronic hepatitis a common outcome. Development of HCV-infection and -related hepatitis raises important questions about subsequent leukemia treatment including the natural history of the infection and need for treatment modification. Although the natural history of HCV-infection and -related hepatitis in this setting is unknown, data from normal persons with HCV-infection suggest that short-term survival is not likely to be decreased in persons with leukemia and these complications. In contrast, long-term survival may decrease because of a high rate of chronic hepatitis, cirrhosis, and possibly hepatocellular carcinoma. There are no convincing data that HCV-infection or -related hepatitis or alterations in anti-leukemia drug dose or schedule prompted by abnormal liver function tests, alter leukemia outcome. Consequently, it is uncertain whether drug doses and/or schedule should be modified in persons with leukemia and HCV-infection or -related hepatitis. Short-term outcome of blood cell and bone marrow transplants is also unaffected by HCV-infection or -related hepatitis.
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Affiliation(s)
- A Ribas
- Department of Surgery, UCLA School of Medicine, USA
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Dibenedetto SP, Miraglia V, Ippolito AM, D'Amico S, Lo Nigro L, Ragusa R, Schilirò G. Reduction in the incidence of infection by hepatitis C virus in children with acute lymphoblastic leukemia after suspension of sampling from the finger. Pediatr Infect Dis J 1996; 15:265-6. [PMID: 8852917 DOI: 10.1097/00006454-199603000-00018] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- S P Dibenedetto
- Division of Pediatric Hematology and Oncology, University of Catania, Italy
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Neilson JR, Harrison P, Skidmore SJ, King JA, Collingham KE, Milligan DW. Chronic hepatitis C in long term survivors of haematological malignancy treated in a single centre. J Clin Pathol 1996; 49:230-32. [PMID: 8675735 PMCID: PMC500404 DOI: 10.1136/jcp.49.3.230] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
AIMS To investigate the impact of hepatitis C virus (HCV) infection in long term survivors of haematological malignancy treated before the introduction of blood donor screening in September 1991. METHOD Patients were tested for evidence of HCV infection by third generation enzyme linked immunosorbent assays, a recombinant immunoblot assay and reverse transcriptase polymerase chain reaction. Serum aspartate aminotransferase activities were measured. The number and type of blood component units received by each patient were recorded. RESULTS Forty two patients were studied who had received a total of 7143 blood component units. Two patients (4.8%) were found to have HCV infection, both had histological evidence of chronic active hepatitis, and one is now receiving treatment with alpha-interferon. Both of these patients had been missed by the ongoing look-back programme which aims to detect recipients of all known HCV infected blood components. CONCLUSION Although HCV infection affects a minority of long term survivors of haematological malignancy, infected patients may benefit from alpha-interferon treatment. The screening of all patients treated for haematological malignancy before September 1991 is advocated.
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Affiliation(s)
- J R Neilson
- Department of Haematology, Birmingham Heartlands Hospital
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Myers B, Irving W, Hollingsworth R, Readett D, Lilleyman JS, Dolan G. Hepatitis C virus infection in multi-transfused children with haematological malignancy. Br J Haematol 1995; 91:480-2. [PMID: 8547099 DOI: 10.1111/j.1365-2141.1995.tb05327.x] [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: 01/31/2023]
Abstract
Transmission of hepatitis C virus (HCV) is an important hazard of blood transfusion and may result in chronic liver disease. 98 children from Nottingham and Sheffield with haematological malignancies were studied to determine the prevalence of HCV infection by enzyme immunoassay and RT/PCR techniques. The children had been exposed to up to 184 donors through red cell and platelet transfusion, the majority prior to routine testing for HCV infection in blood donors. Only one sample showed evidence of HCV infection being both ELISA and RT/PCR positive. None of the samples taken since donor screening were positive. This provides reassurance as to the low rate of HCV acquisition in multi-transfused patients in this part of the U.K. compared to other parts of the world.
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Affiliation(s)
- B Myers
- Department of Haematology, University Hospital, Nottingham
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Locasciulli A, Alberti A. Hepatitis C virus serum markers and liver disease in children with leukemia. Leuk Lymphoma 1995; 17:245-9. [PMID: 8580792 DOI: 10.3109/10428199509056828] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
This review summarises serologic profiles and clinical features of HCV infection in children with leukemia. The diagnosis of HCV infection is currently based on the detection in serum of antiviral antibodies and HCV-RNA. Studies on leukemic children, however, have clearly shown that only HCV-RNA testing correctly identifies HCV infection, as specific antibodies become detectable in serum only after chemotherapy withdrawal in almost all cases. Viraemia instead appears early in the course of leukemia, and infected patients become carriers. The pattern of liver disease is rather homogeneous. Early onset, persisting ALT elevation during chemotherapy often with drastic reduction during high-dose chemotherapy, followed by sharp exacerbations of liver cell necrosis. ALT normalise after chemotherapy withdrawal in most cases, despite persisting viraemia. As regards to the ultimate prognosis of liver disease in these children, we have observed that, among a series of 119 patients followed for at least 10 years off-therapy, none has developed clinical decompensated liver disease and only 6% still has abnormal ALT levels. On the other hand, the need for prolonged follow-up of children surviving leukemia with chronic HCV infection is emphasized by the fact that the natural history of HCV infection has not been fully clarified and that additional late sequelae are likely to occur.
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Affiliation(s)
- A Locasciulli
- Division of Pediatric Hematology, University of Milano, Monza, Italy
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Forbes GM, Davies JM, Herrmann RP, Collins BJ. Liver disease complicating bone marrow transplantation: a clinical audit. J Gastroenterol Hepatol 1995; 10:1-7. [PMID: 7620096 DOI: 10.1111/j.1440-1746.1995.tb01039.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Hepatic dysfunction following bone marrow transplantation (BMT) may present complex management issues. The incidence and aetiology of abnormal liver function following allogeneic and autologous BMT was reviewed over a 2 year period in Royal Perth Hospital and these findings were related to management decisions and patient outcome. Abnormal serum liver biochemistry during the first 12 post-transplant months occurred in all allogeneic (n = 31) and 14 of 23 (61%) autologous transplant patients; 13 (41%) allogeneic and three (13%) autologous patients developed severe hepatic dysfunction. In allogeneic transplants, the most common causes of liver disease were graft-versus-host disease (33%), drug hepatotoxicity (19%) and posttransplant viral hepatitis (15%); in autologous patients, disease recurrence (28%) and sepsis (17%) were the most frequent identifiable cause of abnormal liver function. The aetiology of abnormal liver biochemistry was not determined in 13 instances, but this did not adversely affect patient outcome. Percutaneous liver biopsy or endoscopic cholangiography were only required in three patients. Liver disease contributed to death in two allogeneic patients with multiple causes for liver dysfunction, and in one patient with refractory severe hepatic graft-versus-host disease. It was concluded that hepatic dysfunction is common after BMT, the cause of which can be determined in many cases with simple non-invasive tests used in conjunction with the clinical setting. Specific treatment, where necessary, is then able to be commenced in a majority of patients without the need for invasive investigation.
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Affiliation(s)
- G M Forbes
- Department of Gastroenterology, Royal Perth Hospital, Australia
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Cornu C, Brusselmans C, Geubel A, Ferrant A, Cornu G. Anti-HCV seroconversion in multitransfused and immunocompromised patients. A long-term longitudinal study. Vox Sang 1994; 67:286-90. [PMID: 7532342 DOI: 10.1111/j.1423-0410.1994.tb01253.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
In a series of 6 multitransfused, immunocompromised patients, the diagnosis of posttransfusion hepatitis C was based upon the analysis of long-term follow-up serum samples. The HCV RNA was detected by a nested PCR assay using primers located in the 5' noncoding region (5'NCR), and anti-HCV antibodies were assayed with third-generation tests. The interval between the first rise in alanine aminotransferase and seroconversion varied from less than 5 months to more than 38 months. Five out of 6 patients seroconverted after 14 months or later. In most cases, the anti-NS3 and anti-NS4 antibodies appeared first. In such patients, the etiology of chronic liver disease may thus be overlooked for 1 or more years, a definitive diagnosis requiring the detection of HCV RNA.
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Affiliation(s)
- C Cornu
- Department of Virology, St. Luc University Clinics, UCL, Brussels, Belgium
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Abstract
In the absence of tissue culture, electron microscopy or assays for viral antigen, the direct detection of hepatitis C virus (HCV) is by necessity dependent upon nucleic acid hybridisation methods. Of the available methods, amplification of HCV cDNA by polymerase chain reaction (PCR) commends itself by virtue of its extreme sensitivity and its consequent ability to detect the very low levels of HCV-RNA that are present in many clinical samples. In this review the development and evolution of PCR techniques for HCV detection are described and a number of clinical applications are considered in detail. The applications include diagnosis of acute infection during the seronegative window period prior to the appearance of HCV antibodies, and diagnosis of HCV infection in the immunosuppressed. PCR also enables identification of the chronic viraemic carrier state and it permits accurate monitoring of the antiviral effects of drugs such as interferon. Confirmation of the specificity of HCV antibody assays and detection of HCV contamination of blood donations and blood products are other important areas in which PCR techniques have proved invaluable. In addition, PCR-based techniques underlie an increasing number of molecular epidemiological and genotyping studies and they are providing insights into the details of HCV cellular tropism and replication. A number of logistic problems and operational difficulties are also discussed. Despite these limitations it is concluded that PCR will continue to make significant contributions to both clinical practice and to our understanding of the basic biology of HCV infection.
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Affiliation(s)
- J A Garson
- Department of Medical Microbiology, University College London Medical School, UK
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Dibenedetto SP, Ragusa R, Sciacca A, Di Cataldo A, Miraglia V, D'Amico S, Lo Nigro L, Ippolito AM. Incidence and morbidity of infection by hepatitis C virus in children with acute lymphoblastic leukaemia. Eur J Pediatr 1994; 153:271-5. [PMID: 8194562 DOI: 10.1007/bf01954518] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
A group of 90 patients with acute lymphoblastic leukaemia (ALL) in first continuous complete remission (CCR), admitted in our hospital between January 1986 and September 1992, were tested for the presence of antibodies against hepatitis C virus (HCV), antibodies against hepatitis B virus and antibodies against HIV-1 during maintenance therapy or thereafter. They were compared with a group of 71 children with other malignancies in first CCR who had been diagnosed consecutively from January 1986 to September 1992. No patient with ALL or any other malignancy was found to be positive for hepatitis B surface antigen or HIV-1. HCV-specific antibodies were detected in 28 out of 87 children (32.1%) with ALL and in 4 out of 44 patients (9%) with malignancies other than ALL who had received at least one transfusion of blood or platelets (P < 0.01). HCV-specific antibodies were also detected in one out of three untransfused children with ALL but in none of the untransfused children with malignancies other than ALL. HCV-specific seropositivity influenced the management of children with ALL during maintenance therapy. In fact, as a result of abnormal liver function tests, maintenance therapy had to be suspended significantly more often in the case of HCV-seropositive patients with ALL than in HCV-seronegative ones. Despite the high morbidity during maintenance therapy, chronic liver disease (CLD) was uncommon in both groups: five children with ALL (17.2% of HCV-seropositive children) and one child with a malignancy other than ALL (25%) had CLD.(ABSTRACT TRUNCATED AT 250 WORDS)
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Affiliation(s)
- S P Dibenedetto
- Division of Paediatric Haematology-Oncology, University of Catania, Italy
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Brink NS, Mills W, Chopra R, Garson JA, Perrons CJ, Deaville RC, Waite J, Goldstone AH, Linch DC, Tedder RS. Efficacy of donor screening for hepatitis C antibodies in preventing hepatitis C infection in multiply transfused patients. Transfus Med 1993. [DOI: 10.1111/j.1365-3148.1993.tb00064.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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