Page 175 - SAHCS HIVMed Journal Vol 20 No 1 2019
P. 175

Page 6 of 8  Original Research


              improvements in management of HIV-positive patients with   According to the South African ART guidelines, an elevated
              raised VLs were noted, with a significant reduction in the   VL (> 400 RNA copies/mL) indicates either poor treatment
              number of patients who did not require a regimen change, and   adherence or resistance, necessitating adherence support and
              a significant increase in appropriate regimen changes post-  drug therapy changes for treatment optimisation. 11,19  Low
              intervention.                                         adherence may also lead to virological failure, transmission
                                                                    and drug resistance risk. 20,21,22  South African data highlight
              In a South African study modelling national and provincial   the increasing resistance  patterns exacerbated  by patients
              HIV data, 78% of HIV-positive adults on ART had suppressed   with an unsuppressed VL. 23
              VLs in 2015; however, only 38% of HIV-positive adults
              overall  had virological suppression.  Better virological   There were several contributory factors to the success of our
                                             13
              suppression rates were reported in KwaZulu-Natal with 85%   intervention. The project was conducted in a well-functioning
              of HIV-positive patients on ART with undetectable VLs, but   public health system with an inculcated culture of reflective
              only 47% HIV-positive adults were virologically suppressed.    data analysis and quality improvement. The NHLS system
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              A notable finding of this study was that 73% of the patients   facilitated the use of data to drive improvement as it is linked
              who had a VL result available pre-intervention were   to patient data that are meaningful to frontline staff. The health
              virologically suppressed, lower than the national (78.4%) and   system leadership used VL process data feedback to encourage
              provincial estimates (excluding Limpopo and Mpumulanga).    participation in learning opportunities and supported the
                                                             13
              Virologic suppression was higher in this study than described   testing of new ideas and the spread of successful interventions.
              in other South African ART cohorts.  However, under two-
                                           14
              thirds of patients had an available VL test and patients with   Another factor for success was the perceived added value and
              high VLs were not appropriately managed.              acceptance of the intervention in the healthcare setting by the
                                                                    staff who were using it. This acceptance is reflected by the large
              The outcomes measured showed the effectiveness of the   proportion of patient files with clinic summary sheets inserted
              interventions, particularly the availability of VL results for   by clinic staff. These results are also indicative of the feasibility
              clinical management improving from 59% pre-intervention to   of using summary sheets in busy healthcare settings. The clinical
              87%  post-intervention.  There  was  also  an  improvement  in   summary sheet also proved useful for the completion of the
              management of raised VLs, with a significant increase in   required governmental forms for audit purposes. While there
              repeat VL tests from 78% pre-intervention to 92% post-  were  fields  to  assist  with  integrated  care  provision  such  as
              intervention. Furthermore, there was a significant increase in   pregnancy or HIV-positive patients  co-infected with  TB, the
              appropriate regimen changes from 11% pre-intervention to   clinical summary chart was mainly used for ART management,
              73% post-intervention, and timelier follow-up of these patients.  and assessment of patient eligibility for down-referral to a
                                                                    chronic club. While the initial investment in summarising
              The findings of this study with a quality improvement   patient data may be unwieldy, long term, the summary sheet
              intervention focusing on the VL monitoring and recognition of   may mitigate the necessity to peruse through long and often
              treatment failure are similar to other studies in South Africa   complex clinical notes, saving time for both the patient and
              and Malawi. In a South  African study in three clinics in   provider during the consultation. Moreover, if there is
              eThekwini in KwaZulu-Natal, a VL champion was designated   substantial buy-in from staff, a clinical summary sheet could be
              to focus on virologic management; following the intervention,   inserted for all patients newly initiating on ART or pre-inserted
              the VL tests performed significantly increased from under 70%   into files of patients presenting for care the next day.
                                       15
              at the three clinics to over 80%.  In a study at 13 facilities in
              Malawi over a 6-month period, changing staff roles with a VL   There is limited data on the association between summary
              ‘focal person’ to oversee all VL activities improved VL testing   sheets and improvement in clinical care; however, the
              164% pre-intervention versus post-intervention. 16    integrated summary of prospectively collected clinical
                                                                    information can assist clinical staff in organising complex
              Furthermore, patients are vulnerable to non-adherence and   patient data to facilitate management. 24
              disengagement the longer they remain on treatment.  In a
                                                         17
              retrospective  cohort study in Cape Town, South  Africa,   In South Africa, HIV care is decentralised to PHC level; ART
              almost 23% of patients disengaged from care within 2 years   initiation  and  follow-up  care  are  primarily  nurse-managed
              of ART initiation with 16% requiring hospital admissions and   with task shifting to less specialised health workers. Although
                                           17
              3% dying following disengagement.  Moreover, the WHO-  there are clear recommendations set out by the South African
              defined VL threshold (VL ≥ 1000 copies/mL) for intervention   ART treatment guidelines on the management of HIV-positive
              of virological failure may not adequately identify patients at   patients, 19,25  there is inadequate time for nurses to provide
              risk for adverse clinical outcomes. In a recent South African   comprehensive care because of the large volumes of patients.
              study with over 69  000 patients, HIV-positive patients on   With the focus on dispensing ART, opportunities for detailed
              ART with low-level viraemia (≥ 50 copies/mL) were threefold   clinical assessment, adherence and psychological support,
              more likely to develop virologic failure than patients with   which are crucial for the success of therapy, are missed, creating
              undetectable VL; the risk increased to almost fivefold when   major challenges for HIV-positive patients presenting with
              using VL 400 copies/mL – 999 copies/mL. 18            complex disease to be managed timeously and appropriately.

                                           http://www.sajhivmed.org.za 168  Open Access
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