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Dorsal Root Ganglion Stimulation Used for the Treatment of Chronic Neuropathic Pain in the Groin: A Single-Center Study With Long-Term Prospective Results in 34 Cases.
Neuromodulation 2017; 20(8):753-760N

Abstract

OBJECTIVE

Chronic neuropathic pain in the groin is a severe condition and difficult to treat. Dorsal root ganglion stimulation (DRGS) covers discrete painful areas precisely with its stimulation power in comparison to spinal cord stimulation (SCS). It was our hypothesis that DRGS provides a long-term relief of chronic groin pain over a period of more than three years.

MATERIALS AND METHODS

Patients (age >18 years) with chronic neuropathic groin pain were prospectively examined. After a successful test-trial (duration of 3-10 days, pain decrease >50%) a permanent generator was implanted. The patients were re-examined after three months, then after one year, two, and three years. We used the Visual Analogue Scale (VAS), the Pain Disability Index (PDI), the Pain Catastrophizing Scale (PCS), the Brief Pain Inventory (BPI), and the Beck Depression Inventory (BDI) for the assessment.

RESULTS

We included 34 consecutive patients (13 female, 21 male, mean age 50.4 years, range of age 24-84 years, 30/34 trial to permanent conversion) during the time period from 2012 until 2016. Thirty patients had a successful test-trial and a generator was subsequently implanted. Results after three years: the preoperative VAS dropped from Mdn = 8 to Mdn = 4.5 (p = 0.001). The PDI decreased from Mdn = 48 to Mdn = 23 (p = 0.004). The PCS changed from Mdn = 31 to Mdn = 16 (p = 0.006). The BPI dropped from Mdn = 76 to Mdn = 30 (p = 0.003). The BDI decreased from Mdn = 17 to Mdn = 7 (p = 0.010). Five patients showed complications (16.7%).

CONCLUSION

In this study, DRGS proved an efficient long-term method for the treatment of chronic neuropathic groin pain and we strongly recommend its use.

Authors+Show Affiliations

Department of Neurosurgery, University of Tuebingen, Tuebingen, Germany.Department of Neurosurgery, University of Tuebingen, Tuebingen, Germany.Department of Neurosurgery, University of Tuebingen, Tuebingen, Germany.Department of Neurosurgery, University of Tuebingen, Tuebingen, Germany.Department of Neurosurgery, University of Tuebingen, Tuebingen, Germany.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

29131488

Citation

Morgalla, Matthias Hubert, et al. "Dorsal Root Ganglion Stimulation Used for the Treatment of Chronic Neuropathic Pain in the Groin: a Single-Center Study With Long-Term Prospective Results in 34 Cases." Neuromodulation : Journal of the International Neuromodulation Society, vol. 20, no. 8, 2017, pp. 753-760.
Morgalla MH, Bolat A, Fortunato M, et al. Dorsal Root Ganglion Stimulation Used for the Treatment of Chronic Neuropathic Pain in the Groin: A Single-Center Study With Long-Term Prospective Results in 34 Cases. Neuromodulation. 2017;20(8):753-760.
Morgalla, M. H., Bolat, A., Fortunato, M., Lepski, G., & Chander, B. S. (2017). Dorsal Root Ganglion Stimulation Used for the Treatment of Chronic Neuropathic Pain in the Groin: A Single-Center Study With Long-Term Prospective Results in 34 Cases. Neuromodulation : Journal of the International Neuromodulation Society, 20(8), pp. 753-760. doi:10.1111/ner.12713.
Morgalla MH, et al. Dorsal Root Ganglion Stimulation Used for the Treatment of Chronic Neuropathic Pain in the Groin: a Single-Center Study With Long-Term Prospective Results in 34 Cases. Neuromodulation. 2017;20(8):753-760. PubMed PMID: 29131488.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Dorsal Root Ganglion Stimulation Used for the Treatment of Chronic Neuropathic Pain in the Groin: A Single-Center Study With Long-Term Prospective Results in 34 Cases. AU - Morgalla,Matthias Hubert, AU - Bolat,Anil, AU - Fortunato,Marcos, AU - Lepski,Guilherme, AU - Chander,Bankim Subhash, Y1 - 2017/11/13/ PY - 2017/03/25/received PY - 2017/08/15/revised PY - 2017/09/11/accepted PY - 2017/11/14/pubmed PY - 2018/7/22/medline PY - 2017/11/14/entrez KW - Dorsal root ganglion stimulation KW - groin pain KW - neuromodulation KW - neuropathic pain KW - paresthesia mapping SP - 753 EP - 760 JF - Neuromodulation : journal of the International Neuromodulation Society JO - Neuromodulation VL - 20 IS - 8 N2 - OBJECTIVE: Chronic neuropathic pain in the groin is a severe condition and difficult to treat. Dorsal root ganglion stimulation (DRGS) covers discrete painful areas precisely with its stimulation power in comparison to spinal cord stimulation (SCS). It was our hypothesis that DRGS provides a long-term relief of chronic groin pain over a period of more than three years. MATERIALS AND METHODS: Patients (age >18 years) with chronic neuropathic groin pain were prospectively examined. After a successful test-trial (duration of 3-10 days, pain decrease >50%) a permanent generator was implanted. The patients were re-examined after three months, then after one year, two, and three years. We used the Visual Analogue Scale (VAS), the Pain Disability Index (PDI), the Pain Catastrophizing Scale (PCS), the Brief Pain Inventory (BPI), and the Beck Depression Inventory (BDI) for the assessment. RESULTS: We included 34 consecutive patients (13 female, 21 male, mean age 50.4 years, range of age 24-84 years, 30/34 trial to permanent conversion) during the time period from 2012 until 2016. Thirty patients had a successful test-trial and a generator was subsequently implanted. Results after three years: the preoperative VAS dropped from Mdn = 8 to Mdn = 4.5 (p = 0.001). The PDI decreased from Mdn = 48 to Mdn = 23 (p = 0.004). The PCS changed from Mdn = 31 to Mdn = 16 (p = 0.006). The BPI dropped from Mdn = 76 to Mdn = 30 (p = 0.003). The BDI decreased from Mdn = 17 to Mdn = 7 (p = 0.010). Five patients showed complications (16.7%). CONCLUSION: In this study, DRGS proved an efficient long-term method for the treatment of chronic neuropathic groin pain and we strongly recommend its use. SN - 1525-1403 UR - https://www.unboundmedicine.com/medline/citation/29131488/Dorsal_Root_Ganglion_Stimulation_Used_for_the_Treatment_of_Chronic_Neuropathic_Pain_in_the_Groin:_A_Single_Center_Study_With_Long_Term_Prospective_Results_in_34_Cases_ L2 - https://doi.org/10.1111/ner.12713 DB - PRIME DP - Unbound Medicine ER -