Abstract
Background
Although adherence to immunosupressive medication after transplantation is important to maximize good clinical outcomes it remains suboptimal and not well-understood. The purpose of this study was to examine intentional and unintentional non-adherence to immunosuppression medication in kidney transplant patients.
Methods
A cross-sectional sample of N = 218 patients [49.6 ± 12.3 years] recruited in London, UK (1999–2002) completed measures of medication beliefs, quality-of-life, depression, and transplantation-specific emotions. Adherence was measured with self-report and serial immunosuppressive assays.
Results
Intentional non-adherence was low (13.8 %) yet 62.4 % admitted unintentional non-adherence and 25.4 % had sub-target immunosuppressive levels. The risk of sub-target serum immunosuppressive levels was greater for patients admitting unintentional non-adherence (OR = 8.4; p = 0.004). Dialysis vintage, doubts about necessity, and lower worry about viability of graft explained R 2 = 16.1 to 36 % of self-report non-adherence. Depression was related only to intentional non-adherence.
Conclusions
Non-adherence is common in kidney transplantation. Efforts to increase adherence should be implemented by targeting necessity beliefs, monitoring depression, and promoting strategies to decrease forgetfulness.
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Acknowledgments
The data were gathered under grants from Onassis Heart Foundation to KG and the R.L. Weston Institute for Neurological Studies of the UCL Medical School, both of which are gratefully acknowledged. The authors would like to thank the clinic staff and respondents who contributed to this study and Dr Tonia Griva for her support.
Conflict of Interest Statement
The authors have no conflict of interest to disclose
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Griva, K., Davenport, A., Harrison, M. et al. Non-adherence to Immunosuppressive Medications in Kidney Transplantation: Intent Vs. Forgetfulness and Clinical Markers of Medication Intake. ann. behav. med. 44, 85–93 (2012). https://doi.org/10.1007/s12160-012-9359-4
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DOI: https://doi.org/10.1007/s12160-012-9359-4