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1.
Pediatr Transplant ; 22(1)2018 02.
Article in English | MEDLINE | ID: mdl-29218760

ABSTRACT

Non-adherence to immunosuppressant medications is an important risk factor for graft dysfunction. To evaluate the effectiveness of adherence-enhancing interventions, we reviewed adherence intervention studies in solid organ transplant recipients (all ages). Using the following databases: PsycINFO, PubMed, Scopus, and ScienceDirect, we identified 41 eligible studies. Only three non-randomized trials showed a possible positive effect on objective indicators of transplant outcomes (such as rejection, liver enzyme levels, kidney function). None of the 21 RCTs showed an improvement in transplant outcomes. Three studies showed a higher rate of adverse events in the intervention group as compared with controls, although this may be related to ascertainment bias. Improvement in adherence as measured indirectly (eg, with electronic monitoring devices) was not aligned with effects on transplant outcomes. We conclude that adherence interventions, to date, have largely been ineffective in improving transplant outcomes. To improve this track record, intervention efforts may wish to concentrate on non-adherent patients (rather than use convenience sampling, which excludes many of the patients who need the intervention), use direct measures of adherence to guide the interventions, and employ strategies that are intensive and yet engaging enough to ensure that non-adherent patients are able to participate.


Subject(s)
Graft Rejection/prevention & control , Immunosuppressive Agents/therapeutic use , Medication Adherence , Organ Transplantation , Humans , Treatment Outcome
2.
Am J Transplant ; 17(10): 2668-2678, 2017 Oct.
Article in English | MEDLINE | ID: mdl-28321975

ABSTRACT

Nonadherence to immunosuppressant medications is a leading cause of poor long-term outcomes in transplant recipients. The Medication Level Variability Index (MLVI) provides a vehicle for transplant outcome risk-stratification through continuous assessment of adherence. The MALT (Medication Adherence in children who had a Liver Transplant) prospective multi-site study evaluated whether MLVI predicts late acute rejection (LAR). Four hundred pediatric (1-17-year-old) liver transplant recipients were enrolled and followed for 2 years. The a-priori hypothesis was that a higher MLVI predicts LAR. Predefined secondary analyses evaluated other outcomes such as liver enzyme levels, and sensitivity analyses compared adolescents to pre-adolescents. In the primary analysis sample of 379 participants, a higher prerejection MLVI predicted LAR (mean prerejection MLVI with LAR: 2.4 [3.6 standard deviation] versus without LAR, 1.6 [1.1]; p = 0.026). Fifty-three percent of the adolescents with MLVI>2 in year 1 had LAR by the end of year 2, as compared with 6% of those with year 1 MLVI≤2. A higher MLVI was significantly associated with all secondary outcomes. MLVI, a marker of medication adherence that uses clinically derived information, predicts LAR in pediatric liver transplant recipients.


Subject(s)
Immunosuppressive Agents/administration & dosage , Liver Transplantation , Patient Compliance , Adolescent , Child , Child, Preschool , Cohort Studies , Graft Rejection , Humans , Immunosuppressive Agents/blood , Infant , Prospective Studies , Tacrolimus/administration & dosage , Tacrolimus/blood , Treatment Outcome
3.
Pediatr Transplant ; 20(1): 23-33, 2016 Feb.
Article in English | MEDLINE | ID: mdl-26648058

ABSTRACT

PTSS are quite prevalent in transplant recipients, although full-scale PTSD may not be that common. Those symptoms have been linked to poor transplant outcomes, perhaps owing to non-adherence to medications and other recommendations, brought about by the avoidance dimension of the PTSD/PTSS construct (patients may avoid taking their medications because they serve as reminder of the emotionally traumatic event--the transplant). It is possible to treat PTSD via specific psychotherapeutic techniques, and the treatment has been shown to be safe and likely effective in other populations. Therefore, practitioners who treat transplant recipients should be familiar with the presentation and treatment of those symptoms. This manuscript provides a systematic literature review of the PTSD/PTSS presentation in the pediatric transplant setting, a synthesis of available research findings, and suggestions for current care and future research.


Subject(s)
Organ Transplantation , Stress Disorders, Post-Traumatic/complications , Transplant Recipients/psychology , Adolescent , Child , Heart Failure/psychology , Heart Failure/surgery , Humans , Liver Failure/psychology , Liver Failure/surgery , Prevalence , Renal Insufficiency/psychology , Renal Insufficiency/surgery , Risk Factors , Stress Disorders, Post-Traumatic/epidemiology , Stress Disorders, Post-Traumatic/psychology , Treatment Outcome , Young Adult
4.
Immunol Allergy Clin North Am ; 32(1): 83-95, 2012 Feb.
Article in English | MEDLINE | ID: mdl-22244234

ABSTRACT

As food allergy increases, more research is devoted to its influence on patient and family mental health and quality of life (QoL). This article discusses the effects on parent and child QoL, as well as distress, while appraising the limitations of knowledge given the methods used. Topics include whether QoL and distress are affected compared with other illnesses, assessment of distress and QoL in parents compared with children, concerns about food allergy-related bullying, and the necessity for evidence-based interventions. Suggestions are offered for how to improve QoL and reduce distress on the way to better coping with food allergy.


Subject(s)
Food Hypersensitivity/psychology , Mental Health , Quality of Life/psychology , Stress, Psychological , Adaptation, Psychological , Adolescent , Anxiety , Bullying , Child , Child, Preschool , Family , Humans
5.
Pediatr Transplant ; 12(3): 316-23, 2008 May.
Article in English | MEDLINE | ID: mdl-18435607

ABSTRACT

We describe results from a clinical program, which aimed at improving adherence to medications in children who had a liver transplant. We followed the medical outcomes of 23 children and adolescents who participated in a clinical adherence-improvement protocol during the years 2001-2002. The protocol included identification of non-adherent patients by examining tacrolimus blood levels and intervention by increasing the frequency of clinic visits for non-adherent patients. In the two-yr preintervention (1999-2000), there was no improvement in any of the outcomes. After the intervention, the number of patients with high alanine aminotransferase levels (100 and above) decreased significantly, from eight before the intervention to four afterwards. Other outcomes, including the number of rejection episodes (three before, none after) and the degree of adherence to tacrolimus, also improved, but the improvement did not reach statistical significance. Although non-adherent patients were called to clinic more often under the protocol, the intervention did not lead to increased outpatient costs. This adherence--improvement intervention appears to be promising in improving outcomes in pediatric liver transplant recipients. Larger, controlled studies are needed to establish the efficacy of this or other approaches.


Subject(s)
Liver Transplantation/methods , Patient Compliance , Adolescent , Adult , Alanine Transaminase/metabolism , Child , Female , Graft Rejection/prevention & control , Humans , Immunosuppressive Agents/blood , Immunosuppressive Agents/therapeutic use , Liver Transplantation/economics , Male , Pediatrics/methods , Self Administration , Tacrolimus/blood , Tacrolimus/therapeutic use , Treatment Outcome
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