Improving Timely Access to Diagnostic and Treatment Services for Lung Cancer Patients in KwaZulu-Natal, South Africa: Priority-Setting through Nominal Group Techniques

The impact of tobacco smoking and smoking cessation on lung cancer and stroke incidence among people with HIV on antiretroviral therapy in South Africa: a simulation modeling study

INTRODUCTION

With declining HIV-related mortality, over 20% of people with HIV (PWH) in South Africa are now over age 50 years, and tobacco-related non-communicable disease burden is increasing. We quantified the impact of smoking and smoking cessation on lung cancer and stroke incidence among PWH in South Africa.

METHODS

Using a microsimulation model, we simulated 18 cohorts of initially virologically suppressed PWH over their lifetime, categorised by sex, initial age (35 years/45 years/55 years) and smoking status (current/former/never). Smoking status remains constant throughout the simulation; individuals with former smoking status quit at model start. PWH can disengage from HIV care and experience virological rebound. We modelled the relative risk of lung cancer for females (males) with current versus never smoking status as 16.69 (15.83), and for females (males) with former versus never smoking status as 1.99-8.80 (1.90-6.18), depending on age at cessation. Corresponding modelled relative risks of stroke were 1.79 (1.54) for current versus never smoking, and 1.00-1.29 (1.00-1.12) for former versus never smoking. We varied HIV-related and smoking-related parameters in sensitivity analyses.

RESULTS

Modelled female (male) PWH who stop smoking at age 45 years experience 61.3% (70.9%) and 35.6% (18.6%) lower cumulative lung cancer and stroke incidence over 25 years compared with people who continue smoking. The proportion alive and lung cancer-free or alive and stroke-free over 25 years would increase by 10.4 (9.5) or 10.5 (8.5) percentage points. In sensitivity analysis, smoking and smoking cessation have a greater impact on lung cancer and stroke cumulative incidence if competing HIV-related mortality risks are lower or if PWH experience higher lung cancer and stroke risk compared with people without HIV apart from smoking.

CONCLUSION

Smoking cessation could substantially reduce lung cancer and stroke risk among PWH in South Africa. To reduce the rising non-communicable disease burden among PWH, smoking cessation should become part of routine care of PWH.

Model for Achieving a Coordinated Access to Lung Cancer Care in Selected Public Health Facilities in KwaZulu-Natal, South Africa: Protocol for a Qualitative Study

BACKGROUND

Timely delivery of high-quality cancer care to all patients is barely achieved in South Africa and many other low- and middle-income countries, mainly due to poor care coordination and access to care services. After health care visits, many patients leave facilities confused about their diagnosis, prognosis, options for treatment, and the next steps in their care continuum. They often find the health care system disempowering and inaccessible, thereby making access to health care services inequitable, with the resultant outcome of increased cancer mortality rates.

OBJECTIVE

The aim of this study is to propose a model for cancer care coordination interventions that can be used to guide and achieve coordinated access to lung cancer care in the selected public health care facilities in KwaZulu-Natal.

METHODS

This study will be conducted through a grounded theory design and an activity-based costing approach that will include health care providers, patients, and their caregivers. The study participants will be purposively selected, and a nonprobability sample will be selected based on characteristics, experiences of the health care providers, and the objectives of the study. With the study's objectives in mind, communities in Durban and Pietermaritzburg were selected as study sites, for the study along with the 3 public health facilities that provide cancer diagnosis, treatment, and care in the province. The study involves a range of data collection techniques, namely, in-depth interviews, evidence synthesis reviews, and focus group discussions. A thematic and cost-benefit analysis will be used.

RESULTS

This study receives support from the Multinational Lung Cancer Control Program. The study obtained ethics approval and gatekeeper permission from the University's Ethics Committee and the KwaZulu-Natal Provincial Department of Health, as it is being conducted in health facilities in KwaZulu-Natal province. As of January 2023, we had enrolled 50 participants, both health care providers and patients. Dissemination activities will involve community and stakeholder dissemination meetings, publications in peer-reviewed journals, and presentations at regional and international conferences.

CONCLUSIONS

This study will provide comprehensive data to inform and empower patients, professionals, policy architects, and related decision makers to manage and improve cancer care coordination. This unique intervention or model will address the multifactorial problem of cancer health disparities. If successful, this study will affect the design and implementation of coordination programs to promote optimal cancer care for underserved patients.

INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID)

DERR1-10.2196/34341.

Lung Cancer Patients' Conceptualization of Care Coordination in Selected Public Health Facilities of KwaZulu-Natal, South Africa

BACKGROUND

Cancer patients commonly receive care, including comprehensive treatment options, from multiple specialists within and across facilities offering varying levels of care. Given this multi-layered approach to cancer care, there is a need for coordinated care enhanced through integrated information flow for optimal patient care and improved health outcomes.

OBJECTIVE

This study aimed to explore how patients conceptualized cancer care coordination in an integrated health care system in KwaZulu-Natal.

METHODS

The study employed a grounded theory design to qualitatively explore the patients' experiences and views on cancer care coordination using in-depth interviews. Guided by the grounded theory principles, data generation and analysis were conducted iteratively, followed by systematic thematic analysis to organize data, and review and interpret comprehensive findings. This process culminated in the development of themes relating to barriers to cancer care coordination and the interface between the primary and tertiary settings. Theoretical saturation was achieved at 21 in-depth interviews with consenting respondents.

RESULTS

This study revealed that care coordination was affected by multilevel challenges, including pertinent health system-level factors, such as difficulty accessing specialty care timeously, weak communication between patients and healthcare providers, and unmet needs concerning supportive care. We found that negative experiences with cancer care erode patient trust and receptiveness to cancer care, and patients advocated for better and proactive coordination amongst different care facilities, services, and providers.

CONCLUSIONS

An integrated care coordination setup is essential to create and sustain a high-performance health care system. These findings make a case for developing, implementing, and evaluating interventions to enhance the quality of cancer care for patients and ultimately improve health outcomes for patients in KwaZulu-Natal. This study will provide comprehensive data to inform professionals, policymakers, and related decisionmakers to manage and improve cancer care coordination.