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Problem of nonadherence in chronically ill adolescents: strategies for assessment and intervention.

PURPOSE OF REVIEW: Nonadherence to medical treatment is a significant problem for adolescents with chronic illness, with significant morbidity and mortality. Yet efforts to assess and treat the problem have been limited. We reviewed the literature on the factors associated with nonadherence and focused on nonadherence in a series of interviews with staff at a pediatric transplant program. This paper describes some of our findings, offers guidelines for assessing nonadherence in a primary care setting, and discusses strategies and interventions aimed at enhancing adherence. We refer to clinical cases derived from our interviews with renal transplant staff and our own clinical practice. RECENT FINDINGS: Nonadherence to treatment recommendations occurs in approximately one-third of adolescents with a chronic illness. Factors that have been associated with nonadherence include psychiatric illness, psychological factors, family issues, and health problems. Although extensive research has been done on the problem of poor patient adherence in pediatric chronic illnesses, the prevalence of nonadherence remains high, and the research itself is problematic because of different definitions and methods of assessment used. Novel treatment strategies to improve adherence have been proposed, and data on these are emerging. SUMMARY: Nonadherence in adolescents with chronic illness is a serious problem in need of greater recognition and intervention and further research. The primary care physician may be able to reduce nonadherence by routinely evaluating for adherence issues and initiating a targeted strategy to combat nonadherence when it is found. This review describes strategies and specific approaches for identifying and treating nonadherence in adolescents and their families.

Adolescent↗

Improving treatment adherence in drug abusers who are HIV-positive.

This article discusses the complex dual diagnosis of HIV/AIDS (Human Immunodeficiency Virus/Acquired Immunodeficiency Syndrome) and substance abuse, which affects a growing number of individuals worldwide. A brief review of HIV/AIDS is provided and the connection between HIV/AIDS and substance abuse is described. Substance abuse complicates both HIV/AIDS and its management because of the effects that illicit drugs have on various body systems and because of the behavioral disturbances that accompany substance use. For a variety of reasons adherence to treatment is poor in this population and several factors that negatively impact adherence are outlined. Treatment of drug abusers who are HIV-positive requires more flexibility than treating drug abuse and HIV separately. Because medication regimens can be complicated and demanding and nonadherence to treatment can cause mutation of the virus resulting in drug-resistant strains, it is essential to get the patient committed to treatment The goals of treatment are abstinence from illicit drugs, adherence to a treatment regimen, suppression of viral load, improved CD4 count, and improved quality of life. The role of the case manager is critical to improving treatment adherence. Essential attributes include knowledge of disease processes, critical thinking, and the ability to navigate the healthcare system. Case management interventions to improve treatment adherence should be directed at the patient, the regimen, the client-patient relationship, and the healthcare system. Because HIV/AIDS is now classified as a chronic disease and is no longer viewed as a death sentence, people who are HIV-positive have hope for longevity and a cure. It is this hope for a longer life and possible cure that can be used to motivate substance abusers who are HIV-infected to improve their treatment adherence and quality of life.

Antiretroviral Therapy, Highly Active↗

Tuberculosis prophylaxis in the homeless. A trial to improve adherence to referral.

BACKGROUND: Adherence to tuberculosis evaluation is poor in a high-risk population such as the homeless. OBJECTIVE: To test two interventions aimed at improving adherence to tuberculosis evaluation and to identify predictors of adherence. METHODS: We conducted a randomized clinical trial in shelters and food lines in the inner city of San Francisco, Calif. We randomized 244 eligible subjects infected with tuberculosis to (1) peer health adviser (assistance by a peer [n = 83]), (2) monetary incentive ($5 payment [n = 82]), or (3) usual care (referral slips and bus tokens only [n = 79]). The primary outcome of the study was adherence to a first follow-up appointment at the tuberculosis clinic, where subjects were evaluated for active tuberculosis and the need for isoniazid prophylaxis. RESULTS: Of the subjects assigned to a monetary incentive, 69 (84%) completed their first follow-up appointment, compared with 62 subjects (75%) assigned to a peer health adviser and 42 subjects (53%) assigned to usual care. Adherence was higher in the monetary incentive and peer health adviser groups than in the usual care group (P < .001 and P = .004, respectively). Patients not using intravenous drugs and patients 50 years of age or older were more likely to adhere to a first follow-up appointment (odds ratios [95% confidence intervals], 2.5 [1.3 to 5.0] and 3.3 [1.2 to 8.8], respectively). Among the 173 tuberculosis-infected subjects who completed their appointment, isoniazid therapy was started for 72 individuals, and three cases of active tuberculosis were identified. CONCLUSION: A monetary incentive or a peer health adviser is effective in improving adherence to a first follow-up appointment in homeless individuals infected with tuberculosis. A monetary incentive appears to be superior. Intravenous drug users and young individuals are at high risk for poor adherence to referral.

Adult↗

Modeling adherence to therapeutic regimens in patients with hypertension.

PURPOSE: This study was done to identify and test a model of the psychosocial variables that influence adherence to therapeutic regimens in patients with hypertension. METHOD: A convenience sample of 219 patients with hypertension who were enrolled in an outpatient clinic of a cardiovascular center in Korea participated in the study. They completed self-administered questionnaires anonymously. The questionnaire was based on the Social Action Theory model and a literature review. The explanatory model was constructed and tested using structural equation modeling in order to examine the effects within the model. RESULTS: The results of this study showed that perceived self-efficacy was the strongest factor influencing patient adherence in this sample. Adherence to therapeutic regimens in patients with hypertension was influenced by self-efficacy, patient-provider relationship, social support, and depression. CONCLUSIONS: Adherence to therapeutic regimens in patients with hypertension was most strongly influenced by self-efficacy. These findings suggest that nursing interventions to promote patient adherence should focus on the promotion of self-efficacy including improvement in patient-provider relationship and social support, and reduction in depression.

Aged↗

Attaining higher goals in HIV treatment: the central importance of adherence.

In recent years, advances in HIV therapeutics have changed the nature of HIV/AIDS disease, so that it has now assumed some of the characteristics of a 'chronic' disease. Several factors have, however, qualified these advances. Social, economic, and clinical variables have confounded universal therapeutic success. Access to the highly active antiretroviral therapy is limited among marginalized populations, such as the homeless, or absent in many nations that have poor resources. In addition, study populations are often not fully representative of those actually cared for in clinical practice, who may respond differently to the study medications. Moreover, physiologic differences between patients may alter drug plasma levels, resulting in varying efficacy levels in different patients. Finally, and crucial among determinants of effective therapy, is a patient's level of adherence to the antiretroviral regimen. The magnitude of 'error-prone' viral replication makes resistance to antiretroviral agents invariable. In the presence of partially suppressive therapy, viral replication will select for viral variants with resistance mutations. Therefore, potent and continuous suppressive therapy for the duration of viral replicative capability is necessary for therapy to be effective. Factors that have an impact on adherence include characteristics of the treatment regimen, of patients and clinicians, and of the clinical setting. Successful adherence to therapeutic regimens is the responsibility of clinicians as well as patients. Many patient- and clinician-focused strategies and interventions that can improve adherence exist. The simplification of current antiviral regimens, without the loss of potency, is essential to achieving the goal of complete adherence. Maximizing the long-term benefit of highly active antiretroviral therapy requires knowledge of the technical and biologic aspects of HIV therapeutics, but necessitates an understanding of the behavioral aspects of therapeutics as well.

Anti-HIV Agents↗

Modeling the impact of modified directly observed antiretroviral therapy on HIV suppression and resistance, disease progression, and death.

A simulation model that used Markov assumptions with Monte Carlo uncertainty analysis was evaluated 1500 times at 10,000 iterations. Modified directly observed therapy (MDOT) for human immunodeficiency virus was assumed to improve adherence to therapy to 90% of prescribed doses. The impact of MDOT interventions on modeled biological and clinical outcomes was compared for populations with mean rates of adherence (i.e., the mean percentage of prescribed doses taken by each member of the population who had not discontinued therapy) of 40%, 50%, 60%, and 70%. MDOT reduced the risk of virological failure, development of opportunistic infections, and death, yet increased the risk of drug resistance, for each adherence distribution among persons with detectable plasma virus loads. Over 1500 trials, for a population with 50% adherence to therapy and a 12-month period, MDOT increased the median rate of virological suppression from 13.2% to 37.0% of patients, decreased the rate of opportunistic infection from 5.7% to 4.3% of patients, and decreased the death rate from 2.9% to 2.2% of patients. In the same population, however, MDOT increased the rate of new drug resistance mutations from 1.00 to 1.41 per person during the 12-month period. The impact of MDOT was smaller in populations with higher levels of adherence. MDOT interventions will likely improve clinical outcomes in populations with low levels of adherence but may not be effective at preventing drug resistance in treatment-experienced populations. MDOT may be more effective in preventing drug resistance with potent regimens in treatment-naive patients.

AIDS-Related Opportunistic Infections↗

[Adherence to very active antiretroviral treatment: impact of individualized assessment].

BACKGROUND: To determine if the intervention of individual advice improves adherence and effectiveness to highly active antiretroviral therapy. METHODS: Randomized open trial. Patients treated with zidovudine + lamivudine + indinavir were assigned (2/1) to conventional care or individual advise. Individual advise consists in adaptation to treatment to patient style of live and detailed information of therapy. Adherence were estimated with structured interview and pillo counts and were considered correct when more than 90% of prescribed drugs were taken. RESULTS: Patients 170, conventional care: 110 and IA: 60. FOLLOW-UP: 24 weeks. Baseline characteristics were similar in both groups. Correct adherence were estimated in 52.7% of conventional care and in 76.7% of individual advise (p = 0.002, relative risk: 1.45; CI 95%: 1.16-1.82). Undetectable viral load (NASBA < 50 copies/ml) in 54.5% of conventional care and in 65% of individual advise (p = 0.18, relative risk: 1.19; CI 95%: 0.93-1.53). Reduction of viral load in the conventional care group 1.02 +/- 0.5 log10/ml, and in the individual advise group 1.98 +/- 0.7 log10/ml. CONCLUSION: The individual advice improve adherence with a tendency to improve effectiveness of highly active antiretroviral therapy.

Adult↗

Facilitating adherence to highly active antiretroviral therapy in children with HIV infection: what are the issues and what can be done?

Treatment of HIV infection with highly active antiretroviral therapy (HAART) requires sustained adherence to treatment to maintain efficacy. In pediatric patients, adherence to HAART represents a significant challenge for treated children and for their caregivers and healthcare providers. Many factors can affect adherence to HAART including: (i) factors related to the patient and his/her family; (ii) factors related to the drug/medication; and (iii) factors related to the healthcare system. Different strategies can be employed to tackle the specific obstacles identified in these three groups, and thus to facilitate adherence. Among the key interventions centered on the patient and his/her family are the tailoring of the HAART regimen to the daily activities of the child and his/her family, and the implementation of an intensive education program on adherence for the child and the caregiver, prior to starting the treatment. Specific medication-related problems (depending on drug pharmacokinetic and pharmacodynamic properties, taste and palatability, food interactions, etc.) exist; such problems can not be solved solely by clinicians or by families. Greater commitment of the pharmaceutical industry is needed, and innovative solutions have to be identified by clinicians in partnership with drug manufacturers. Furthermore, the development of an 'adherence strategy/program' can be recommended to all institutions working in pediatric HIV infection. Most of the necessary interventions to be included in such programs can be easily implemented, but they require trained and committed staff (and institutions), and time to be spent with patients and their caregivers.

Antiretroviral Therapy, Highly Active↗

Adherence to a behavioral program to prevent incontinence.

This exploratory study assesses factors predicting adherence to a behavioral intervention to prevent urinary incontinence. Community-dwelling, post-menopausal women (N = 164) were taught pelvic floor muscle training (PFMT) and bladder training (BT) and followed with surveys for 1 year. Content analysis of open-ended responses coded descriptions of approaches participants used to incorporate PFMT into daily life. Exploratory bivariate and logistic regression analyses determined predictors of approach used and adherence. Results indicate women incorporated PFMT into their lives using either a routine or ad hoc approach. Those using a routine approach at 3 months were 12 times more likely to adhere (odds ratio [OR] = 12.4, confidence interval [CI] = 4.0-38.8, p < .001) at a high level at 3 months and significantly more likely to maintain that level 12 months post-intervention (OR = 2.7, CI = 1.2-6.0, p < .014). Practicing BT was related to high adherence.

Aged↗

A pragmatic randomized controlled trial of self-directed online writing interventions for posttraumatic stress symptoms in a real-world digital setting.

Background: Public health and other large-scale crises, such as the COVID-19 pandemic, have intensified the global mental health burden, creating unprecedented demand for accessible interventions for posttraumatic stress symptoms (PTSS).Objective: We evaluated the feasibility and effectiveness of two self-directed online writing interventions embedded within China's WeChat ecosystem during the COVID-19 pandemic through a pragmatic randomised controlled trial.Methods: Between December 2021 and August 2022, 1,526 adults were screened for PTSS via a Tencent Medinfo Mini-Program. Eligible participants (n&#x2009;=&#x2009;211) were randomised to Guided Narrative Technique-Writing (GNT-W, n&#x2009;=&#x2009;100) or Expressive Writing (EW, n&#x2009;=&#x2009;111). Both interventions comprised three self-directed daily writing sessions delivered entirely online without human support. Primary outcome was PTSD symptom severity (PTSD Checklist-Short), assessed at baseline, post-intervention, 2-week, and 1-month follow-ups.Results: While initial engagement followed typical digital health patterns (64.5% overall attrition), participants who initiated treatment showed strong adherence (77% completion). Both interventions were associated with significant within-group reductions in PTSS severity (GNT-W: b&#x2009;=&#x2009;-0.43, p&#x2009;=&#x2009;.023, d&#x2009;=&#x2009;-0.43; EW: b&#x2009;=&#x2009;-0.60, p&#x2009;=&#x2009;.001, d&#x2009;=&#x2009;-0.58), with no significant between-group difference (group &#xd7; time: b&#x2009;=&#x2009;0.18, p&#x2009;=&#x2009;.48). GNT-W did not confer additional benefit over EW protocol on PTSS severity.Conclusions: Both self-directed writing interventions were associated with within-group reductions in PTSS; without an inactive control condition, however, these changes cannot be firmly attributed to the interventions. GNT-W showed no advantage over the simpler EW protocol. These findings offer preliminary support for embedding scalable, low-barrier writing interventions in widely used digital platforms.Chinese Clinical Trial Registry: ChiCTR2000034836.

Humans↗

Influences on older women's adherence to a low-fat diet in the Women's Health Initiative.

OBJECTIVE: Most studies of dietary change during aging have focused on maintaining adequate intake by impaired elderly, and little is known about factors affecting dietary change for preventive purposes in older individuals. The purpose of this exploratory study was to determine the major behavioral influences on older women's adherence to a dietary fat reduction intervention. METHOD: A diverse sample of 92 women aged 55 to 80 was recruited from two East Coast sites of the Women's Health Initiative. All the women were participating in the dietary modification arm of WHI, had received the same dietary instruction, and were in the maintenance phase of the intervention. The women were classified by nutritionists as adherent or nonadherent to a diet limiting fat intake to <20% of total calories. Focus groups and telephone interviews were conducted, and textual data were coded and sorted using content analysis techniques within the four categories of the Stimuli-Organismic Factors-Response Repertoire-Consequences (SORC) behavioral model. Frequencies of responses within categories were tabulated and compared qualitatively. RESULTS: Adherent women were more likely to report assertiveness, a lifelong commitment to reduced dietary fat, satisfaction with their lifestyle changes, and having applicable knowledge and skills. Nonadherent women reported more difficulty resisting negative emotions and prior food preferences and habits; they were also more concerned about negative responses from others. CONCLUSIONS: Enhancing adherence of older women to a dietary fat reduction program will require shifting priorities away from conforming to social pressure and using high-fat foods for personal satisfaction and moving toward enhancing motivation and commitment to long-term health.

Aged↗

Self-administration of medicine and older people.

BACKGROUND: Non-adherence to medication regimens is a significant problem in older patients, which can lead to therapeutic failure and the wastage of resources. Common causes include poor patient memory, physical difficulties, unpleasant side effects and a lack of social support. CONCLUSION: Strategies such as careful labelling, self-administration of medicine programmes, simplifying drug regimens and the use of medication compliance devices can help to promote patient adherence. Some of these interventions will work for certain patients, however the authors recommend that a multidisciplinary assessment and a regular review of each patient's ability to adhere to medication should be undertaken.

Aged↗

Adherence to medication after liver transplantation in Scotland: a pilot study.

This study assessed adherence to medication after liver transplantation and consisted of 2 components: a retrospective audit involving the examination of the Scottish national database, and a preliminary study assessing psychological factors implicated in poor adherence. In order to first establish an idea of the extent of poor adherence within the Scottish liver transplant population, a retrospective audit was carried out on all patients (N = 435) who received transplants before November 2003. Adherence was assessed by attendance at follow-up clinic appointments, blood immunosuppressant levels, and episodes of cellular rejection. It was found that attendance and immunosuppressant levels were often suboptimal and that nonadherence may have contributed to retransplantation and death. Cellular (acute) rejection after 6 months was associated with higher mortality. Explanations as to why liver transplant patients may not take their medication as recommended were then explored in detailed psychological assessments of 33 liver transplant recipients. The results indicated that low self-reported patient adherence was related to greater concerns regarding the potential adverse effects of medication, and a stronger belief that medicines in general are harmful. In addition, the greater the effect the transplantation had on patients' lives and the more it affected them emotionally, the less adherent the patients were likely to be. The results highlight potential areas that, if confirmed in a larger study, might be targeted in a psychological intervention to improve patient adherence and thereby transplantation outcomes.

Adult↗

Technology transfer through performance management: the effects of graphical feedback and positive reinforcement on drug treatment counselors' behavior.

After drug treatment counselors at a community-based methadone treatment clinic were trained in implementing a contingency management (CM) intervention, baseline measures of performance revealed that, on average, counselors were meeting the performance criteria specified by the treatment protocol about 42% of the time. Counselors were exposed to graphical feedback and a drawing for cash prizes in an additive within-subjects design to assess the effectiveness of these interventions in improving protocol adherence. Counselor performance measures increased to 71% during the graphical feedback condition, and to 81% during the drawing. Each counselor's performance improved during the intervention conditions. Additional analyses suggested that counselors did not have skill deficits that hindered implementation. Rather, protocol implementation occurred more frequently when consequences were added, thereby increasing the overall proportion of criteria met. Generalizations, however, may be limited due to a small sample size and possible confounding of time and intervention effects. Nonetheless, present results show promise that feedback and positive reinforcement could be used to improve technology transfer of behavioral interventions into community clinic settings.

Adult↗

Factors affecting adherence to antiretroviral therapy in people living with HIV/AIDS.

Antiretroviral treatments have given hope to people living with HIV/AIDS and play a role in improving their quality of life. However, the effectiveness of these treatments is directly related to the level of adherence and commitment to them. Researchers have demonstrated that there are many factors that play an important role in adopting and maintaining adherence behavior. In this article, the authors present an indepth review of the literature and from this, enumerate the factors that link adherence behavior to the individual, the treatment, the illness, and the relationship with the health professional. An understanding of these factors is essential to develop interventions that will improve adherence to therapeutic regimens among people with HIV/AIDS.

Acquired Immunodeficiency Syndrome↗

The relationship of hope and illness-related uncertainty to emotional adjustment and adherence among pediatric renal and liver transplant recipients.

OBJECTIVE: To examine, using partial least squares (PLS) modeling, the associations among hope, illness-related uncertainty, anxiety, depression, and adherence in a sample of children with renal and liver transplantations. METHODS: Seventy pediatric renal and liver transplant recipients and their caregivers participated in a 3-month study which involved completing questionnaires and monitoring adherence via self-report and electronic monitoring (MEMS caps). A PLS estimation procedure was used to examine the associations among constructs in the theoretical model. RESULTS: Hope and uncertainty were associated with both depressive symptoms and anxiety, and depressive symptoms were associated with treatment adherence. The association of hope and adherence to treatment was fully mediated by depressive symptoms. CONCLUSIONS: Findings suggest mechanisms for identifying patients that may be at risk for nonadherence and components for intervention programs to improve adherence rates among pediatric transplant recipients.

Adaptation, Psychological↗

Impact of short-term adherence on virological and immunological success of HAART: a case study among French HIV-infected IDUs.

To evaluate the impact of injection drug users (IDUs) adherence on effectiveness of highly active antiretroviral therapy (HAART), repeated measures of plasma viral load and CD4+ counts before HAART initiation and at last visit in the cohort were studied. Data were collected by means of patient's face-to-face and self-administered questionnaires about adherence to HAART during the week prior to the last visit. Of a total of 119 patients treated with HAART, undetectable viral load was obtained for 55 patients (46.2%) (G3); 34 patients (28.6%) (G2) had a viral load decline > 0.5 log copies/ml but still detectable viral load at last visit in the cohort, while 30 patients (25.2%) (G1) had no decline or decline </= 0.5 log copies/ml. Proportion of 100% adherent patients was significantly higher in G3 (83.6%) than in G2 (64.7%) and G1 (56.7%). In spite of differences in virological success and adherence, mean increase in CD4+ counts was similar in G3 (123 +/- 160 counts/mm(3)) and G2 (143 +/- 147) while no immunological improvement was observed in G1. For the sub-groups of patients whose limited adherence has implied virological failure but did not impede short-term immunological reconstitution following HAART initiation, decision to switch HAART regimens could be delayed until interventions for improving future adherence have been carried out.

Adult↗

A cognitive behavioral group approach to enhance adherence to hemodialysis fluid restrictions: a randomized controlled trial.

BACKGROUND: Adhering to fluid restrictions represents one of the most difficult aspects of the hemodialysis treatment regimen. This report describes a randomized controlled trial of a group-based cognitive behavioral intervention aimed at improving fluid-restriction adherence in patients receiving hemodialysis. It was hypothesized that the intervention would improve adherence, measured by means of interdialytic weight gain (IWG), without impacting negatively on psychosocial functioning. METHODS: Fifty-six participants receiving hemodialysis from 4 renal outpatient settings were randomly assigned to an immediate-treatment group (ITG; n = 29) or deferred-treatment group (DTG; n = 27). Participants were assessed at baseline, posttreatment, and follow-up stages. Treatment consisted of a 4-week intervention using educational, cognitive, and behavioral strategies to enhance effective self-management of fluid consumption. RESULTS: No significant difference in mean IWGs was found between the ITG and DTG during the acute-phase analysis (F(1,54) = 0.03; P > 0.05). However, in longitudinal analysis, there was a significant main effect for mean IWG (F(1.76,96.80) = 9.10; P < 0.001) and a significant difference between baseline and follow-up IWG values (t55 = 3.85; P < 0.001), reflecting improved adherence over time. No adverse effects of treatment were indicated through measures of psychosocial functioning. Some significant changes were evidenced in cognitions thought to be important in mediating behavioral change. CONCLUSION: The current study provides evidence for the feasibility and effectiveness of applying group-based cognitive behavior therapy to enhance adherence to hemodialysis fluid restrictions. Results are discussed in the context of the study's methodological limitations.

Adult↗