Cost of Deep Brain Stimulation Infection Resulting in Explantation

Background: Deep brain stimulation (DBS) hardware infection is a serious complication, often resulting in multiple hardware salvage attempts, hospitalizations, and long-term antibiotic therapy. Objectives: We aimed to quantify the costs of DBS hardware-related infections in patients undergoing eventual device explantation. Methods: Of 362 patients who underwent 530 electrode placements (1 January 2010 to 30 December 2014), 16 (4.4%) had at least 2 hardware salvage procedures. Most (n = 15 [93.8%]) required complete explantation due to recurrent infection. Financial data (itemized hospital and physician costs) were available for 13 patients and these were analyzed along with the demographic data. Results: Each patient underwent 1-5 salvage procedures (mean 2.5 ± 1.4; median 2). The mean total cost for a patient undergoing the median number of revisions (n = 2), device explantation, and subsequent reimplantation after infection clearance was USD 75,505; just over half this cost (54.2% [USD 40,960]) was attributable to reimplantation, and nearly one-third (28.9% [USD 21,816]) was attributable to hardware salvage procedures. Operating-room costs were the highest cost category for hardware revision and explantation. Medical and surgical supplies accounted for the highest reimplantation cost. Conclusions: DBS infection incurs significant health care costs associated with hardware salvage attempts, explantation, and reimplantation. The highest cost categories are operating-room services and medical and surgical supplies.
Stereotact Funct Neurosurg 2017;95:117-124

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