Page 356 - HIVMED_v21_i1.indb
P. 356

Page 3 of 4  Scientific Letter


              TABLE 2: Associations between socio-demographic variables, initiation CD4 count and abnormal cervical smear results (n = 176). 5
              Characteristic       Level        Abnormal cervical smear   Risk ratio     p      Adjusted risk ratio  p
                                                n      N     %        95%        CI           95%       CI
              Initiation CD4 count (cells/mm ) 3  > 500  15  62  24.2  1          -      -     1        -       -
                                   ≤ 500        51    114   44.7       1.84    1.04–3.28  0.037  1.71  1.04–2.80  0.034
              Age (years)          18–24        10    37    27.0       1          -      -     1        -       -
                                   25–34        37    79    46.8       1.72    0.86–3.47  0.126  1.52  0.77–3.00  0.233
                                   ≥ 35         19    60    31.7       1.17    0.55–2.52  0.682  1.01  0.49–2.05  0.989
              Secondary education  Yes          29    97    29.9       1          -      -     1        -       -
                                   No           37    78    47.4       1.58    0.97–2.57  0.066  1.48  1.02–2.14  0.038
              Number of children   0            8     34    23.5       1          -      -     1        -       -
                                   ≥ 1          58    142   40.8       1.76    0.84–3.68  0.136  1.5  0.70–3.24  0.297
              Time from diagnosis to initiation   No  43  112  38.4    1          -      -      -       -       -
              > 6 months?
                                   Yes          18    55    32.7       0.86    0.50–1.49  0.594  -      -       -
              Regular or stable partner  No     13    38    34.2       1          -      -      -       -       -
                                   Yes          53    138   38.4       1.13    0.61–2.07  0.699  -      -       -
              Previous history of tuberculosis  No  56  156  35.9      1          -      -      -       -       -
                                   Yes          10    20    50.0       1.41    0.71–2.77  0.317  -      -       -
              Contraception use    No           54    151   35.8       1          -      -      -       -       -
                                   Yes          12    25    48.0       1.31    0.68–2.49  0.415  -      -       -
              History of intimate partner violence  No  54  144  37.5  1          -      -      -       -       -
                                   Yes          12    31    38.7       1.03    0.55–1.93  0.917  -      -       -
              Risky alcohol intake†  No         43    116   37.1       1          -      -      -       -       -
                                   Yes          7     28    25.0       0.67    0.30–1.50  0.334  -      -       -
              Positive depression screen (PHQ-2   No  59  161  36.6    1          -      -      -       -       -
              score ≥ 2)
                                   Yes          7     15    46.7       1.25    0.57–2.75  0.577  -      -       -
              Source: Drain PK, Dorward J, Violette LR, et al. Point-of-care HIV viral load testing combined with task shifting to improve treatment outcomes (STREAM): Findings from an open-label, non-
              inferiority, randomised controlled trial. Lancet HIV. 2020. https://doi.org/10.1016/S2352-3018(19)30402-3. Epub ahead of print.
              CI, confidence interval; PHQ-2, Patient Health Questionnaire 2.
              †, In women, an AUDIT-C score of 3 or more is considered positive for at-risk alcohol use.

              Discussion                                            formal education.  The protective effect of attaining a higher
                                                                                  9
                                                                    level of education may be explained by increased awareness
              In this cohort of women initiating ART after implementation   of the disease, delayed sexual debut and greater access
              of  UTT, there  was  a high  prevalence  of abnormal  cervical   to healthcare, including cervical screening services. While the
              lesions, affecting over a third of all women successfully   recent roll-out of HPV vaccination to South African school
              screened. Women who initiated ART at lower CD4 thresholds   girls through a public health initiative has somewhat created
              and those who did not reach secondary education had a   renewed awareness of cervical cancer, gaps remain in
              higher risk for abnormal cervical lesions.
                                                                    knowledge and prevention of the disease and access to
                                                                    screening services for secondary prevention. 1,10
              Our findings are similar to a systematic review, including
              studies mainly from Europe and North  America, which   Limitations of our study included the cross-sectional design
              found that women with lower CD4 counts had consistently   and a relatively small sample size, which means that the
              higher incidence of abnormal cervical lesions.  This review   analysis may not be sufficiently powered to rule out
                                                   6
              also showed an increased risk of progression of cervical
              lesions with declining CD4 count.  A cross-sectional analysis   weak  associations between other exposure variables and
                                         6
              of 1140 Nigerian women showed that both low- and      abnormal smears. Furthermore, we excluded women with
              high-grade cervical lesions were detected almost four times   HSIL without a conclusive negative colposcopy result from
              more frequently in women with CD4 < 200 cells/mm .    the study. Even in this large HIV clinic, a quarter of women
                                                            3 7
              Therefore, earlier initiation of ART at higher CD4 counts may   did not have the recommended cervical smear result available
              have a protective effect on the development and progression   at ART initiation. A strength of our study is that we were able
              of abnormal cervical lesions in this setting. 2,3,8  Of note, in spite   to assess the prevalence of abnormal cervical lesions in
              of the implementation of UTT, the majority of women in this   women initiating ART at higher CD4 thresholds in the era
                                                     3
              study presented with CD4 counts ≤ 500 cells/mm , meaning   of UTT in a public health setting.
              that further efforts are needed to diagnose and initiate
              ART earlier amongst women living with HIV.            While HPV vaccination for young women has now been
                                                                    introduced in South Africa, the long-term impact on cervical
              Similar to our finding, a cross-sectional study from Zambia,   cancer is still uncertain. In the meantime, cervical cancer
              analysing data in over 14  000 women from a National   screening remains a priority. Here, we highlight that early
              Cervical Screening Programme, showed that women having   ART initiation and ensuring frequent cervical screening for
              at least secondary education were less likely to develop   those with lower CD4 counts and lower educational
              abnormal cervical lesions, compared to women with no   background should be prioritised. Universal test and

                                           http://www.sajhivmed.org.za 348  Open Access
   351   352   353   354   355   356   357   358   359   360   361