, Volume 152, Issue 2, pp 195-200
Date: 29 Aug 2009

Skin complications in deep brain stimulation for Parkinson’s disease: frequency, time course, and risk factors

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Abstract

Purpose

Deep brain stimulation (DBS) has been recognized as an efficacious treatment for movement disorders. Its beneficial effects however may be lost due to skin complications such as erosions or infections over the implanted foreign material. We sought to document skin complications in the entire Parkinson’s disease patient population who received a DBS system at the Marburg/Kassel implantation centre since the start of our DBS program in January 2002 to analyze frequency, time course, and possible risk factors.

Methods

We investigated 85 consecutive patients with Parkinson’s disease (PD) from a single center/single surgeon DBS series for the occurrence of skin complications and analyzed localization, time course, and possible risk factors. Mean follow-up was 3 years (range 1-7 years).

Results

In total, 21/85 patients (24.7%) suffered a total of 30 single skin complications. Sixty percent of all incidents occurred within the first post-operative year. Forty percent of all incidents occurred later than the first year following primary implantation. Complications involved the burr hole cap in 37%, the course of the cables in 33%, and the impulse generator (IPG) site in 30%. Six of 21 patients suffered recurring skin complications. Eight patients permanently lost their DBS system. Factor analysis for age, gender, disease duration, disease severity, the incidence of hypertension or diabetes as well as a 2-day period with externalized electrodes for continuous test stimulation did not have any statistically significant impact on skin complications.

Conclusions

We conclude that (1) PD patients have a risk for skin complications after DBS as long as the system remains in situ and (2) there are at present no identifiable risk factors for skin complications after DBS, other than PD itself.

Financial disclosures

Friederike Sixel-Döring has received educational lecture fees and honoraria from Boehringer Ingelheim, Cephalon, Medtronic, Orion Pharma, Roche Pharma, and Schwarz Pharma. She serves on an advisory board for Orion Pharma.
Claudia Trenkwalder has received honoraria for consultancy from Boehringer Ingelheim, UCB, Novartis, Orion Pharma, and Solvay. She has received lecture honoraria from Boehringer Ingelheim, Glaxo-SmithKline, UCB Schwarz Pharma, Pfizer, and Hoffmann-La-Roche.
Christoph Kappus has no financial disclosures or conflicts of interest to declare.
Dieter Hellwig has no financial disclosures or conflicts of interest to declare.
This study was not supported by the industry.