Page 220 - SAHCS HIVMed Journal Vol 20 No 1 2019
P. 220

Southern African Journal of HIV Medicine
              ISSN: (Online) 2078-6751, (Print) 1608-9693
                                                       Page 1 of 6  Original Research


                               Comparison of non-invasive methods

                            of assessing liver fibrosis in combination

                                    ART-experienced Zimbabweans






               Authors:                 Background: The prevalence of morbidity and mortality associated with liver disease among
               Brenda Nherera           HIV-infected individuals on combination antiretroviral therapy (ART) is high. Early screening
                         1,2
               Kudakwashe Mhandire 1,2
               Tinashe K. Nyazika       of liver disease is essential, as it provides an opportunity for successful treatment. Hence, there
                          1,3
               Alfred Makura   1        is a need for reliable, inexpensive and non-invasive early markers of hepatic damage.
               Cuthbert Musarurwa 1
                             1,4
               Prichard T. Mapondera    Objectives: Non-invasive algorithms are available for assessing the extent of liver fibrosis as
               Babill Stray-Pedersen    markers of ongoing inflammatory damage. This study compared the use of the FibroTest,
                            2,5
               Hilda T. Matarira   1    Fibrosis-4 (FIB-4) index, APRI test and AST:ALT ratio in assessing liver fibrosis in combination
                                        ART-experienced individuals.
               Affiliations:
               1 Department of Chemical   Methods: In a comparative cross-sectional study, 79 participants between the ages of 8 and
               Pathology, Faculty of
               Medicine, College of Health   62 years were recruited. The performance of each fibrosis algorithm was determined using
               Sciences, University of   established cut-off scores for clinically significant liver fibrosis.
               Zimbabwe, Harare,
               Zimbabwe                 Results: The prevalence of liver fibrosis as determined by the FibroTest, FIB-4 index, APRI test
                                        and  AST:  ALT ratio were 19.0%, 21.5%, 12.7% and 79.7%, respectively. For individual
                2 Letten Foundation Research   biomarkers, A-2M concentration ( p < 0.001) and AST activity ( p = 0.003) remained significantly
               House, Harare, Zimbabwe  elevated in participants with fibrosis than those without as defined by FibroTest and APRI test,
                                        respectively, after adjustments for multiple comparisons.
               3 Malawi-Liverpool-Wellcome
               Trust Clinical Research   Conclusion: Our data demonstrate a high prevalence of asymptomatic liver fibrosis among
               Programme, University of   combination  ART-experienced individuals in Zimbabwe, and this warrants adequate
               Malawi College of Medicine,
               Blantyre, Malawi         monitoring of liver fibrosis in individuals on ART. Discordance of fibrosis results among the
                                        algorithms and individual biomarkers and calls for further work in identifying optimal
               4 Division of Community   biomarkers for detection of asymptomatic fibrosis.
               Health, Stellenbosch
               University, Cape Town,    Keywords: Liver fibrosis; Non-invasive methods; Biomarkers; Combination anti-retroviral
               South Africa             therapy; Zimbabwe.

               5 Division of Women and
               Children, Institute of Clinical   Introduction
               Medicine, University of Oslo,
               Oslo, Norway            Sub-Saharan Africa faces a substantial burden of liver disease, with mortality owing to cirrhosis
                                                                     1
               Corresponding author:   doubling over the past three decades.  Globally, liver disease accounts for 14% – 18% of deaths
               Brenda Nherera,         among the human immunodeficiency virus (HIV)-infected population and approximately 50% of
               [email protected]  deaths among hospitalised HIV-infected individuals.  Morbidity and mortality associated with
                                                                                 2,3
                                       liver disease in sub-Saharan Africa remains higher among the HIV-infected population than in the
               Dates:
               Received: 28 Feb. 2018  uninfected population despite increasing access to combination antiretroviral therapy (ART). 3,4,5
               Accepted: 05 Feb. 2019  Longevity related to combination antiretroviral therapy among the HIV-infected population
               Published: 11 Apr. 2019  allows for the development of non-acquired immune deficiency syndrome (AIDS) events, such as
                                       nephrotoxicity, cardiovascular disease and liver complications, associated with chronic  ART
                                       exposure, HIV infection itself and other comorbidities such as chronic hepatitis B virus (HBV)
                                       infection to a greater extent and hepatitis C virus (HCV) infection to a lesser axtent.
                                                                                                         5,6
                                       Whilst the liver is a regenerative organ that is capable of complete resolution with early detection
                                                   6,7
                                       and treatment,  patients with established cirrhosis or hepatocellular carcinoma (HCC) usually
                                                 1
                                       present late.  Thus, timely diagnosis is critical for successful treatment, especially among HIV-
               Read online:            infected individuals, hence the need for simple, accessible, accurate, point-of-care diagnostic
               Read online:
                        Scan this QR   technologies. 1,6,7  In resource-limited settings, early detection of liver fibrosis is limited by the
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                        mobile device   How to cite this article: Nherera B, Mhandire K, Nyazika TK, et al. Comparison of non-invasive methods of assessing liver fibrosis in
                        to read online.  combination ART-experienced Zimbabweans. S Afr J HIV Med. 2019;20(1), a844. https://doi.org/10.4102/sajhivmed.v20i1.844
                        to read online.
                                       Copyright: © 2019. The Authors. Licensee: AOSIS. This work is licensed under the Creative Commons Attribution License.
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