Quality of life increases in patients with painful diabetic neuropathy following treatment with spinal cord stimulationReport as inadecuate

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Quality of Life Research

, Volume 25, Issue 7, pp 1771–1777

First Online: 22 December 2015Accepted: 09 December 2015DOI: 10.1007-s11136-015-1211-4

Cite this article as: Duarte, R.V., Andronis, L., Lenders, M.W.P.M. et al. Qual Life Res 2016 25: 1771. doi:10.1007-s11136-015-1211-4


PurposeThis study aims to explore the changes in pain intensity and quality of life QoL experienced by patients with painful diabetic neuropathy PDN treated with spinal cord stimulation SCS and conventional medical practice CMP.

MethodsPatient-reported pain intensity and QoL data were obtained from participants in an international multicentre randomised controlled trial comparing SCS versus CMP. Data were collected at randomisation and 6 month follow up by means of a visual analogue scale for pain intensity, the EuroQoL Visual Analogue Scale EQ VAS and the EuroQol EQ-5D index. Quality-adjusted life years QALYs were calculated for each treatment using the ‘area under the curve’ method. Differences in QALYs were calculated after adjusting for between-treatment imbalances in baseline QoL.

ResultsAt 6 months, patients allocated to SCS reported larger reductions in pain intensity and improvements in QoL measured by the EQ-5D utility score and EQ VAS as compared to those allocated to CMP. Initial calculations of QALYs for the SCS and CMP groups suggested no statistical differences between the groups. Adjusting for imbalances in baseline EQ-5D scores showed SCS to be associated with significantly higher QALYs compared to CMP.

ConclusionsSCS resulted in significant improvement in pain intensity and QoL in patients with PDN, offering further support for SCS as an effective treatment for patients suffering from PDN. From a methodological point of view, different results would have been obtained if QALY calculations were not adjusted for baseline EQ-5D scores, highlighting the need to account for imbalances in baseline QoL.

KeywordsEuroQoL-5D Neuropathic pain Painful diabetic neuropathy Quality of life Spinal cord stimulation  Download fulltext PDF

Author: Rui V. Duarte - Lazaros Andronis - Mathieu W. P. M. Lenders - Cecile C. de Vos

Source: https://link.springer.com/

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