Addressing overtreatment in patients with refractory epilepsy at a tertiary referral centre in Brazil.
Summary of "Addressing overtreatment in patients with refractory epilepsy at a tertiary referral centre in Brazil."
Background. Patients with refractory epilepsy often have impaired quality of life (QOL) as a consequence of seizures and adverse effects of antiepileptic drugs. We assessed the impact of adverse effects on QOL and the utility of a structured instrument to help the physician manage adverse effects in patients with refractory epilepsy. Methods. Clinical characteristics, drug treatment and adverse effects were evaluated in 102 patients with refractory epilepsy at a single tertiary referral centre. The Adverse Events Profile (AEP) and Quality of Life in Epilepsy-31 (QOLIE-31) questionnaires were completed at baseline and after six months. At baseline, patients with a high burden of adverse effects (AEP scores ≥45) were randomized to an intervention or control group. AEP scores in the intervention group were available to the physician as an instrument to help to reduce adverse effects. Results. Ninety-five patients (93.1%) were on polytherapy. Sixty-six completed the questionnaires and, of these, 43 (65.1%) had a high AE burden and were randomized to the intervention and control group. QOLIE-31 scores were inversely correlated with AEP scores at both visits. Among randomized patients, AEP scores tended to decrease between the baseline and the final visit without significant differences between groups (intervention group: 54.1 ± 6.1 vs 51.1 ± 9.1; control group: 55.8 ± 5.8 vs 50.5 ± 12.2). QOLIE-31 scores did not change substantially between visits (intervention group: 45.9 ± 17.4 vs 48.4 ± 14; control group: 47.5 ± 15.7 vs 45.2 ± 18.9). Conclusion. A significant proportion of patients had a high toxicity burden which had an impact on their QOL. Reduction of overtreatment is a difficult challenge which cannot be addressed solely by providing a structured assessment of adverse effects, but requires a more comprehensive approach aimed at optimizing the many components of the management strategy.
Affiliation
Ribeirão Preto Medical School University Hospital, University of São Paulo.
Journal Details
This article was published in the following journal.
Name: Epileptic disorders : international epilepsy journal with videotape
ISSN: 1294-9361
Pages:
Links
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/21393097
- DOI: http://dx.doi.org/10.1684/epd.2011.0411
Medical and Biotech [MESH] Definitions
Physician Self-referral
Referral by physicians to testing or treatment facilities in which they have financial interest. The practice is regulated by the Ethics in Patient Referrals Act of 1989.
Vagus Nerve Stimulation
An adjunctive treatment for PARTIAL EPILEPSY and refractory DEPRESSION that delivers electrical impulses to the brain via the VAGUS NERVE. A battery implanted under the skin supplies the energy.
Primary Health Care
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Anemia, Refractory, With Excess Of Blasts
Chronic refractory anemia with granulocytopenia, and/or thrombocytopenia. Myeloblasts and progranulocytes constitute 5 to 40 percent of the nucleated marrow cells.
Refractory Period, Electrophysiological
The period of time following the triggering of an ACTION POTENTIAL when the CELL MEMBRANE has changed to an unexcitable state and is gradually restored to the resting (excitable) state. During the absolute refractory period no other stimulus can trigger a response. This is followed by the relative refractory period during which the cell gradually becomes more excitable and the stronger impulse that is required to illicit a response gradually lessens to that required during the resting state.
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