How can tuberculosis services better support patients with a diabetes co-morbidity? A mixed methods study in the Philippines

Abstract Background People with diabetes mellitus (DM) have an estimated two- to three-times greater risk of adverse tuberculosis (TB) treatment outcomes compared to those without DM. Blood glucose control is a primary aim of managing DM during TB treatment, yet TB programmes are not generally adapt...

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Main Authors: Lauren Oliveira Hashiguchi, Sharon E. Cox, Tansy Edwards, Mary C. Castro, Mishal Khan, Marco Liverani
Format: Article
Language:English
Published: BMC 2023-09-01
Series:BMC Health Services Research
Subjects:
Online Access:https://doi.org/10.1186/s12913-023-10015-7
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author Lauren Oliveira Hashiguchi
Sharon E. Cox
Tansy Edwards
Mary C. Castro
Mishal Khan
Marco Liverani
author_facet Lauren Oliveira Hashiguchi
Sharon E. Cox
Tansy Edwards
Mary C. Castro
Mishal Khan
Marco Liverani
author_sort Lauren Oliveira Hashiguchi
collection DOAJ
description Abstract Background People with diabetes mellitus (DM) have an estimated two- to three-times greater risk of adverse tuberculosis (TB) treatment outcomes compared to those without DM. Blood glucose control is a primary aim of managing DM during TB treatment, yet TB programmes are not generally adapted to provide DM services. The purpose of this study was to understand perceptions and the lived experiences of diabetic patients in TB treatment in the Philippines, with a view to informing the development of disease co-management strategies. Methods This mixed methods study was conducted within a prospective cohort of adults newly-starting treatment for drug-sensitive and drug-resistant TB at 13 public TB clinics in three regions of the Philippines. Within the subset of 189 diabetic persons who self-reported a prior DM diagnosis, or were diagnosed by screenings conducted through the TB clinic, longitudinal blood glucose data were used to ascertain individuals’ glycaemic control (controlled or uncontrolled). Univariable logistic regression analyses exploring associations between uncontrolled glycaemia and demographic and clinical factors informed purposive sampling of 31 people to participate in semi-structured interviews. All audio-recorded data were transcribed and thematic analysis performed. Results Participants — both with controlled and uncontrolled blood glucose — were knowledgeable about diabetes and its management. However, a minority of participants were aware of the impact of DM on TB treatment and outcomes. Many participants newly-diagnosed with DM at enrolment in TB treatment had not perceived any diabetic symptoms prior and would have likely not sought clinical consult otherwise. Access to free glucose-lowering medications through TB clinics was a key enabling resource. However, participants expressed fear of side effects and interrupted access to glucose-lowering medications, and a preference for phytotherapy. Many participants felt that physical and financial impacts of TB and its treatment were challenges to DM management. Conclusions and recommendations Results of this study indicate that public TB clinics can provide diabetic patients with additional health care resources and education to address co-morbidity. TB programmes might consider identifying patients with complicated DM, and offering diabetic monitoring and management, as DM and diabetic complications may compound the burden of TB and its treatment.
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spelling doaj.art-ff15a22207e54eedbb9aa73d2e6e137b2023-11-26T12:43:49ZengBMCBMC Health Services Research1472-69632023-09-0123111610.1186/s12913-023-10015-7How can tuberculosis services better support patients with a diabetes co-morbidity? A mixed methods study in the PhilippinesLauren Oliveira Hashiguchi0Sharon E. Cox1Tansy Edwards2Mary C. Castro3Mishal Khan4Marco Liverani5National Institute of Nursing Research, National Institutes of HealthSchool of Tropical Medicine & Global Health, Nagasaki UniversitySchool of Tropical Medicine & Global Health, Nagasaki UniversityNutrition Center PhilippinesFaculty of Public Health and Policy, London School of Hygiene & Tropical MedicineFaculty of Public Health and Policy, London School of Hygiene & Tropical MedicineAbstract Background People with diabetes mellitus (DM) have an estimated two- to three-times greater risk of adverse tuberculosis (TB) treatment outcomes compared to those without DM. Blood glucose control is a primary aim of managing DM during TB treatment, yet TB programmes are not generally adapted to provide DM services. The purpose of this study was to understand perceptions and the lived experiences of diabetic patients in TB treatment in the Philippines, with a view to informing the development of disease co-management strategies. Methods This mixed methods study was conducted within a prospective cohort of adults newly-starting treatment for drug-sensitive and drug-resistant TB at 13 public TB clinics in three regions of the Philippines. Within the subset of 189 diabetic persons who self-reported a prior DM diagnosis, or were diagnosed by screenings conducted through the TB clinic, longitudinal blood glucose data were used to ascertain individuals’ glycaemic control (controlled or uncontrolled). Univariable logistic regression analyses exploring associations between uncontrolled glycaemia and demographic and clinical factors informed purposive sampling of 31 people to participate in semi-structured interviews. All audio-recorded data were transcribed and thematic analysis performed. Results Participants — both with controlled and uncontrolled blood glucose — were knowledgeable about diabetes and its management. However, a minority of participants were aware of the impact of DM on TB treatment and outcomes. Many participants newly-diagnosed with DM at enrolment in TB treatment had not perceived any diabetic symptoms prior and would have likely not sought clinical consult otherwise. Access to free glucose-lowering medications through TB clinics was a key enabling resource. However, participants expressed fear of side effects and interrupted access to glucose-lowering medications, and a preference for phytotherapy. Many participants felt that physical and financial impacts of TB and its treatment were challenges to DM management. Conclusions and recommendations Results of this study indicate that public TB clinics can provide diabetic patients with additional health care resources and education to address co-morbidity. TB programmes might consider identifying patients with complicated DM, and offering diabetic monitoring and management, as DM and diabetic complications may compound the burden of TB and its treatment.https://doi.org/10.1186/s12913-023-10015-7DiabetesTuberculosisTB-DMCo-morbidityIntegrated careSelf-care
spellingShingle Lauren Oliveira Hashiguchi
Sharon E. Cox
Tansy Edwards
Mary C. Castro
Mishal Khan
Marco Liverani
How can tuberculosis services better support patients with a diabetes co-morbidity? A mixed methods study in the Philippines
BMC Health Services Research
Diabetes
Tuberculosis
TB-DM
Co-morbidity
Integrated care
Self-care
title How can tuberculosis services better support patients with a diabetes co-morbidity? A mixed methods study in the Philippines
title_full How can tuberculosis services better support patients with a diabetes co-morbidity? A mixed methods study in the Philippines
title_fullStr How can tuberculosis services better support patients with a diabetes co-morbidity? A mixed methods study in the Philippines
title_full_unstemmed How can tuberculosis services better support patients with a diabetes co-morbidity? A mixed methods study in the Philippines
title_short How can tuberculosis services better support patients with a diabetes co-morbidity? A mixed methods study in the Philippines
title_sort how can tuberculosis services better support patients with a diabetes co morbidity a mixed methods study in the philippines
topic Diabetes
Tuberculosis
TB-DM
Co-morbidity
Integrated care
Self-care
url https://doi.org/10.1186/s12913-023-10015-7
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