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  • Retrospective Analysis of 30-day All-cause Readmission Rates for Patients Undergoing Deep Brain Stimulation (DBS) at Pennsylvania Hospital

    Final Number:

    Ashwin G. Ramayya; Kalil G. Abdullah MD; John Thomas Pierce MS; Paul Koch MD; Gordon H. Baltuch MD, PhD

    Study Design:
    Clinical Trial

    Subject Category:

    Meeting: Congress of Neurological Surgeons 2015 Annual Meeting

    Introduction: Deep Brain Stimulation (DBS) is an minimally-invasive neurosurgical intervention that is used to treat several neurological and psychiatric disorders. However, the 30-day all-cause readmission rate associated with deep brain stimulation at a high-volume center has not previously been documented.

    Methods: We reviewed medical records of patients over the age of 18 who underwent deep brain stimulation (DBS) surgery for any indication (Parkinson’s disease, Dystonia, Essential Tremor, or Treatment Refractory Major Depression) at Pennsylvania Hospital between 1/1/2009 and 7/1/2014. We identified patients who were readmitted to an inpatient medical facility within 30 days from their initial discharge. We considered each procedure that involved implantation of new intracranial leads as an independent DBS procedure.

    Results: Over the study period, 23 (6.47 %) of 355 DBS procedures resulted in a re-admission to the hospital within 30 days.The leading causes for readmission were as follows: change in mental status (5), implantable pulse generator (IPG) hematoma or infection (5), seizures (4), intracranial hemorrhage (2), intracranial infection (2), non-surgical site infection (2), malnutrition (1), fall (1) and improper IPG programming (1). 9 re-admitted patients required surgical intervention during their readmission (39.1% ). Readmitted patients had a mean (+/- S.D.) age of 60.34 (+/- 11.2) years, included 9 females, and 10 patients that were discharged to an a skilled nursing or acute rehab facility after their initial admission. 19 (82 %) readmitted patients had at least one medical co-morbidity during their initial admission.

    Conclusions: DBS has 30-day all-cause readmission rates similar to those generally associated with neurosurgical procedures (6.9 %; Buchanan et al. 2014). Re-admissions related to seizures and IPG site complications may be reduced with systemic changes in post-operative management.

    Patient Care: Our research uncovers common reasons for 30-day readmissions that follow deep brain stimulation surgery. Our findings may guide systemic changes in pre- and post-operative management of patients undergoing deep brain stimulation surgery that are aimed at reducing the risk of readmission.

    Learning Objectives: 1) To appreciate the frequency of 30-day all-cause readmissions following deep brain stimulation surgery 2) To understand the common reasons for 30-day readmissions following deep brain stimulation surgery 3) To consider systemic changes in pre- and post-operative management of patients undergoing DBS surgery that may reduce the risk of readmission.

    References: Buchanan, C. C., Hernandez, E. A., Anderson, J. M., Dye, J. A., Leung, M., Buxey, F., & Martin, N. A. (2014). Analysis of 30-day readmissions among neurosurgical patients: surgical complication avoidance as key to quality improvement: Clinical article. Journal of neurosurgery, 121(1), 170-175.

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