SUMMARY
BACKGROUND
Despite renewed focus on molecular tuberculosis (TB) diagnostics and new antimycobacterial agents, treatment outcomes for patients co-infected with drug-resistant TB and human immunodeficiency virus (HIV) remain dismal, in part due to lack of focus on medication adherence as part of a patient-centered continuum of care.
OBJECTIVE
To review current barriers to drug-resistant TB-HIV treatment and propose an alternative model to conventional approaches to treatment support.
DISCUSSION
Current national TB control programs rely heavily on directly observed therapy (DOT) as the centerpiece of treatment delivery and adherence support. Medication adherence and care for drug-resistant TB-HIV could be improved by fully implementing team-based patient-centered care, empowering patients through counseling and support, maintaining a rights-based approach while acknowledging the responsibility of health care systems in providing comprehensive care, and prioritizing critical research gaps.
CONCLUSION
It is time to re-invent our understanding of adherence in drug-resistant TB and HIV by focusing attention on the complex clinical, behavioral, social, and structural needs of affected patients and communities.
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Summaryobjective Patient-level data are required to inform strategies interrupting transmission and default in patients with extensively drug-resistant TB (XDR-TB) to improve models of care and identify potential routes of transmission. We therefore explored the experiences, lifestyle, attitudes and needs of patients with uncured XDR-TB, who failed or interrupted therapy, living without treatment in the community.methods We conducted in-depth interviews with 12 community-based patients from South Africa. Family members were interviewed when patients were unavailable. Interviews were analysed using inductive thematic analysis.results The thematic experiences identified from the interviews were as follows: (i) living with but not being cured of XDR-TB, (ii) altered lifestyle in the community, (iii) experiences with community health care, (iv) local community members, and (v) wants and needs. Patients identified mistrust in health care, futility of treatment regimens, a need for a purpose in life and subsistence as major concerns. Restriction of living in the community for patients whose treatment had failed resulted in self-imposed isolation. Defaulters focused more on the never-ending drug regimen and bad experiences with health care contributing to non-adherence. Family members emphasised an underrecognised experience of unforeseen burden, obligation, worry and discomfort. Lack of knowledge and lack of concern about transmission was evident.conclusion Current models of care are not adequately meeting the needs of patients with uncured XDR-TB and relatives. These data inform the need for community-based palliative care, vocational facilities to improve economic opportunities, home-based infection control and improved psychosocial support to increase patient adherence, reduce transmission, provide income and relieve the burden on family members.
But, as Bekker says, "The longer you take to reach [vaccine] coverage, the more variants will come along and trip things up." Resources are therefore being ramped up for greater monitoring of variants across the continent.Key to this has been Africa's first regional sequencing laboratory network dedicated to SARS-CoV-2, which has been open since September 2020. Consisting of 12 specialised and regional laboratories providing data analysis and sequencing of coronavirus
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