Journal of Biotechnology and Biomedical Science
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Research Article | Open Access
  • Available online freely | Peer Reviewed
  • Sero-Prevalence of HBs Ag, HCV and HIV among Blood Donors in Three Blood Bank Centers in Sana'a city: Yemen

    Tawfique Al-Zubiery 1     Talal Alharazi 2       Hafez Alsumairy 3     Adel Al-Zubiery 4    

    1Department of Medical Laboratory, Faculty of Medical and Health Science, Taiz University Al-Turbah branch

    2Department of Clinical Microbiology and Immunology, Faculty of Medicine and Health Sciences, Taiz University

    3Department of Clinical Microbiology and Immunology, Faculty of Medicine and Health Sciences, Taiz University

    4Internal medicine medical specialist, Abha-Psychiatry hospital, KSA

    Abstract

    Objective:

    To determine the current prevalence of HBs Ag, Anti-HCV Ab and anti-HIV Abamong blood donors.

    Methods:

    This descriptive study was conducted in three blood banks centers in Sana'a city. During the study period from January to November 2016, 11374 blood donor specimens were subjected for detection anti-HBs Ag, anti-HCV and anti-HIV, by using Cobas e 411analyzer.

    Results:

    The overall prevalence of HBs Ag, HCV and HIV among blood donors was (1.9%), (1.0%) and (0.3%) respectively. Out of 11374 blood donors screened, 11249 (98.9%) were males and 125 (1.1%) were females with mean of age 30 years. While, (1.6%), (0.9) and (0.0%) of females were seropositve for HBs Ag, HCV and HIV respectively. High prevalence rate of HBs Ag and HCV found among the age group more than 55(5.7%, 2.0%) and 26-35 years old (1.9%, 1.1%) respectively.

    Conclusion:

    This study revealed less prevalence rate of HBs Ag, HCV and HIV among blood donors.

    Received 31 Oct 2017; Accepted 28 Nov 2017; Published 04 Dec 2017;

    Academic Editor:Jun Wan, Department of Medical and Molecular Genetics, Indiana University School of Medicine

    Checked for plagiarism: Yes

    Review by: Single-blind

    Copyright©  2017 Tawfique

    License
    Creative Commons License    This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

    Competing interests

    The authors have declared that no competing interests exist.

    Citation:

    Tawfique Al-Zubiery, Talal Alharazi, Hafez Alsumairy, Adel Al-Zubiery (2017) Sero-Prevalence of HBs Ag, HCV and HIV among Blood Donors in Three Blood Bank Centers in Sana'a city: Yemen. Journal of Biotechnology and Biomedical Science - 1(1):46-52.
    Download as RIS, BibTeX, Text (Include abstract )
    DOI10.14302/issn.2576-6694.jbbs-17-1853

    Introduction

    Blood transfusions can save the life and recover the health, but it also increases the risk of blood borne infections to the recipients. However, many of patients do not have opportunities access to achieve safe blood transfusions, and every person must have equal access to safe blood. Hepatitis B virus (HBV), hepatitis C virus (HCV), human immunodeficiency virus (HIV), and syphilis infections are public health problems that share similar routes of transmission, such as sexual intercourse, blood or blood products transfusion, sharing needles, intravenous drug use, and maternally 1, 2

    Other agents, namely transfusion transmitted virus (TTV), SENV (SEN virus), Human herpes virus-8 (HHV-8), Hepatitis G Virus (HGV), West Nile Virus and prions which are may pose to the safety of blood and plasma products 3.

    Reports from different parts of the world, have been shown variation in the prevalence of HBS Ag (0.66-25%), HCV (1.0-13.3%), HIV (0.084-11.7%),, and syphilis (0.95-4.7%) among blood donors respectively 1, 4, 5.

    HBV and HCV infections have been associated with long-term morbidity and mortality due to complications like cirrhosis, portal hypertension, chronic liver diseases, and hepatocellular carcinoma 6, 7.

    The endemicity of infection is considered high in Yemen, where prevalence of positive HBsAg ranges from (8%) to (20%), and up to (50%) of the populations generally have serological evidence of previous HBV infection8.Recently Alzubiery et al has reported that, (1.6%) and (4.1%) of blood donors were founded to be reactive for HCV and HBs Ag respectively 9, 10.Furthermore, most previous epidemiological studies were done in different cities in Republic of Yemen, showed the prevalence rates of HBs Ag and HCV antibodies are (10.5%) and (2.3%) in Sana’a, (4.75%) and (0.6%) in Aden, (5.6%) and (0.8%) in Hajah, (26.3%) and (5.1%) in Soqotra respectively 11. Therefore, the aim of our study was to determine the current prevalence rate of HBV, HCV and HIV among blood donors in Sana'a city.

    Material and methods

    Study Design

    This study is cross-sectional descriptive study. Method

    The study was conducted at the virology unit of the National Blood Transfusion and Research Centre (NBTRC), Blood Bank units of Al-Thawra Teaching Modern Hospital (TTMH), and Al-Gomhory Teaching Modern Hospital (GTMH). The hospital’s laboratory uses Cobas e 411 analyzer to assay of anti-HBsAg, anti-HCV and anti-HIV antibodies. All blood donors were examined for blood pressure, pulse; hemoglobin concentration and other general health indicators. Apparently, healthy persons of ages 18 to 65 years with body weight above 45 kg would qualify for donations. During the study period from January to November 2016, a total 11374 blood donors who satisfied the qualifying criteria for the donation were enrolled in this study. Of these 6421 blood donors from NBTRC, 2896 from TTMH and 2055 from GTMH in Sana'a City. Relevant information of all the blood donors who donated whole blood during the period of study was recorded, including personal characteristics such as age, gender, and previous blood donation.

    Five milliliters of blood was collected by standard aseptic technique from each study person by trained laboratory technicians with the help of 5 ml disposable syringe, and was transferred to a sterile test tube. The blood was allowed to clot and after centrifugation, all serum specimens were analyzed for the anti-HBs Ag, anti-HCV and HIV Ag-Ab, by Electrochemiluminescence (ECL) technique using the immunoassay Cobas e 411analyzer (Roche ELECSYS®2010 GmbH; Germany) according to manufacture instruction.

    Statistical Analysis

    The prevalence of HBs Ag, anti-HCV, and HIV was determined from the proposition of seropositive individuals in the total donor population studied and was expressed as a percentage and other characteristics of sampled population were computed. A p value less than 0.05 was calculated to be statistically significant. The statistical difference was also evaluated by applying the Chi-square test. All the statistical analysis was done using the Statistical Package for Social Sciences (SPSS) software package version 20. (SPSS Inc. Chicago, Illinois', USAT).

    Result

    Out of 11374 blood donors screened in the study, 11249 (98.9%) were males and 125 (1.1%) were females with the mean age 30 years. HBs Ag, HCV and HIV among males were (1.9%), (1.0%), and (0,3%) respectively, compared to (1.6%), (0.9%), and (0,0%) among females with no statistically significant was found.

    The result of recent study revealed that, the overall prevalence of HBs Ag, HCV and HIV among blood donors was 219 (1.9%), 112 (1.0%) and 33 (0.3%) respectively. However, the prevalence of HBs Ag, HCV and HIV varies from the health center to another. As seen in the (Table 1), the prevalence rate of HBs Ag, varies in each center, where, the prevalence of HBs Ag in NBTRC, TTMH and GTMH was (2.2%), (1.9%) and (1.0%) respectively, the difference was found statistically significance (p < 0.003). A similar observation was found for HCV (p < 0.000), "where, (1.4%) and (0.5%) of anti-HCV Ab were detected among blood donors in NBTC and in each of TTMH and GTMH, respectively".

    Table 1. Distribution of HBsAg, anti-HCV and anti-HIV among studied palpation categories in Sana'a Yemen
      Total number HBsAg HCV HIV
    Blood bank center 11374 Negative 11155 (98.1) Positive 219 (1.9%) Negative 11262 (99.0%) Positive 112 (1.0%) Negative 11341 (99.7%) Positive 33 (0.3%)
    N % N % N % N % N % N % N %
    NBTRC* 6421 56.5 6279 97.8 142 2.2 6336 98.6 87 1.4 6401 99.7 20 0.3
    TTMH* 2896 25.5 2842 98.1 56 1.9 2883 99.5 15 0.5 2888 99.7 10 0.3
    GTMH* 2055 18.0 2034 99.0 21 1.0 2045 99.5 10 0.5 2052 99.9 3 0.1
    X2 11.7 20.7 1.9
    P 0.003 0.000 0.391
    Gender N % N % N % N % N % N % N %
    Male 11249 98.9 11044 98.1 217 1.9 11150 99.0 111 1.0 11228 99.7 33 0,3
    Female 125 1.1 123 98.4 2 1.6 112 99.1 1 0.9 113 100.0 0 0.0
    X2 0.1 0.04 0.04
    P 0.790 0.833 0.544
    Age group N % N % N % N % N % N % N %
    18-25 3876 34.1 3801 98.1 75 1.9 3845 99.8 31 0.8 3867 99.8 9 0.2
    26-35 5078 44.6 4977 98.0 101 2.0 5021 98.9 57 1.1 5061 99.7 17 0.3
    36-45 1959 17.2 1926 98.3 33 1.7 1939 99.0 20 1.0 1953 99.7 6 0.3
    46-55 408 3.6 401 98.3 7 1.7 405 99.3 3 0.7 407 98.8 1 0.2
    > 55 53 0.5 50 94.3 3 5.7 52 98.1 1 1.9 53 100 0 0.0
    X2 4.7 3.1 1.0
    P 0.317 0.545 0.910

    Notes: χ2: Chi-square , p: probability. (χ2 ≥ 3.84, p < 0.05: significant). No: number, %; percentage
    NBTRC* National Blood Transfusion and Research Centre; TTMH*Al-Thawra Teaching Modern Hospital; GTMH* Al-Gomhory Teaching Modern Hospital

    Moreover, (0.3%) of blood donors were seropostive for HIV in each of NBTRC and TTMH compared to (0.1%) of blood donors were seropostive for HIV in GTMH. Where, the difference in the result of HIV was found statistically insignificance.

    The present study revealed that, (1.9%), (1.0%) and (0.3) of males and (1.6%), (0.9%) and (0.0%) of males were seropostive for HBsAg, HCV and HIV respectively, while, the difference in the result was statistically insignificant.

    Higher prevalence rates of HBs Ag (5.7%) and HCV (1.9%) were found among subjects aged more than 55 years old as compared to other age groups followed by the age group 26-35 years old with an account 101 (2.0%), and 57 (1.1%) of donated blood found seropositive for HBsAg, HCV respectively. Furthermore, the prevalence HBs Ag, HCV and HIV, among blood donors aged 17 to 25 years old was 1.9%. 0.8% and 0.2%, respectively (Table 1).

    Discussion

    The result of this study revealed that, (1.9%), (1.0%) and (0.3%) of blood donors had HBs Ag, anti-HCV and anti-HIV respectively. "Higher prevalence rate of HBs Ag, HCV and HIV were reported by Ymele et al 12, who, found (12.14%), (4.44%) and (1.44%) of blood donors had anti-HBs Ag, anti-HCV and anti-HIV respectively".

    The present study showed that, the prevalence of HBs Ag less than half of a recent study conducted in Sana’a city10, that could be related to the number of the population selected and the technique used. This study presented that, the prevalence rate of HBs Ag was less than that has been previously reported in Sana'a City 13, 14, In addition, the prevalence of HBs Ag in our study is quite similar to that reported by Acar et al15,and Nazar et al 16 , whereas, slightly less than that reported by Al-Rubaye et al 17, and Bashawri et al 18, who found that, (2.3%) and (2.58%) of blood donors have shown serological evidence for hepatitis B virus infection in Iraq and Saudi Arabia respectively. Moreover, higher prevalence rate of HBs Ag was reported in Syria (5.62%) 19, and Sudan (5.1%) 20. In Jordan, Abed Al-Gani et al21, who showed that, (1.4%) of blood donors had HBs Ag ,while, in Baghdad, Ataallah et al22, found (0.6%) of blood donors HBs Ag. In addition, the prevalence rate of HBsAg among our population was more than that reported in India by Makroo et al 23, and Jadejaet al 24.

    In previous study, Al-Zubiery et al reported that, out of total 3606 blood donors, 57 donors were found to be reactive for anti-HCV, giving an overall sero-positivity of 1.6% 9, compared to (1.0%) found to be reactive for anti-HCV in the present study. The difference in the result of recent study could be related to the number of the population and using Electrochemiluminescence (ECL) technique, which is a highly innovative technology that offers distinct advantages over the other detection techniques 25.

    In this study, the prevalence of HCV is in agreement with that reported by Bashawri et al 18 in Saudi Arabia and quite similar to AlWaleedi et al in Aden city 26and Moukoko et al 27 in Cameroon. However, the prevalence of HCV in the this study was more than that reported in Iraq (0.1%) 17, India (0.1%) 28 and Turkey (0.07%)(24). While, markedly higher prevalence was reported in Egypt by Awadalla et al (16.8%) 29 and Mohammed et al (6 - 38%) 30.

    Furthermore, the result of the present study showed that, the rate of HCV among age groups was ranged from 0.7% up to 1.9%. Higher prevalence of anti-HCV antibody as compared to the present study was reported by Noubiapa et al 31, who showed that, the prevalence of anti-HVC antibodies among age groups was ranged from 2.9% up to 6.9%.

    The present study revealed that 0.3% of blood donors had anti-HIV antibody. This is in agreement with other studies were conducted in Sana'a city (0.39%) 12 and north India (0.24%) 23,but less than that reported by Bazie et al 32, who showed that, the sero-prevalence of antibodies against HIV was positive in (0.7%) of blood donors. In addition, the result of the present study was higher than that reported by Acar et al15in Turkey (0.008%).

    The present study showed that, 26/33 (79%) of total HIV seropositivity were detected among the first two age groups, from18 up to 35 years old, of this 17/33 (51%) of HIV seropositivity was detected among 26-35 age group. This could be explained due to high sexual activity of this age group. Similar to this result was reported by Michel et al 33,who found that 9∕10 (90%) of HIV among age group 19-45 years old, as well as, this finding is the same as that made in Nigeria by Aleruchi et al34.

    Recommendations

    It is suggested that more attention should be given paid providing health education concerning risk factors and prevention of HBV, HCV and HIV infections to the general public.

    Acknowledgments.

    We would like to thank all coworkers in general and in particular all staff members in virology unit in the National Blood Transfusion and Research Centre in Sana'a Yemen. The authors are grateful to the members of the blood banks’ teams especially, Manal Muckbil, Aymn AL Shahar ,Eqtesad Al-Shibani. Mahyoub Hobieashi, Rasha Al Qubati, Amar.A.Jabir,Majdi.A.Saleh and Mohammed Al Qadi for technical help in each of Laboratory units of Al-Thawra Teaching Modern hospital and Al-Gomhory Teaching Modern hospital.

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