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  • Cranial Flap Fixation: An Opportunity for Cost Containment

    Final Number:
    1100

    Authors:
    Nicholas Andrade; Bhavani Kura MD; John Robert Floyd MD; David F. Jimenez MD, FACS

    Study Design:
    Other

    Subject Category:

    Meeting: Congress of Neurological Surgeons 2014 Annual Meeting

    Introduction: Unlike some procedures with inherent implant costs (eg joint replacement, neurostimulation), craniotomy was successfully performed for over a century before the advent of cranial plating. In recent years, plate fixation of craniotomy flaps has become routine, with little attention paid to associated costs. We reviewed the usage and costs of cranial plating and performed a systematic literature review of clinical outcomes of various craniotomy flap fixation techniques.

    Methods: Invoices from a consecutive cohort of patients undergoing first-time craniotomy were reviewed to determine cranial plating usage and costs over a three month period at a single hospital. This was compared to typical Medicare surgeon reimbursement for these procedures. We also performed a systematic literature review of costs and clinical outcomes following various craniotomy flap fixation techniques.

    Results: 33 craniotomies (27 supratentorial, 6 infratentorial) were performed for various indications: intra-axial mass (12), vascular (7), extra-axial mass (7), MVD (5), SDH (2). Invoices were available for 32 of these. Mean cranial plating costs ($2628, range $747-6621) roughly equalled mean surgeon reimbursement ($2644, range $1190-4533) for these cases. Current costs are approximately eightfold higher than previously reported in a 2002 publication. Literature review yielded two small pilot randomized controlled trials and multiple retrospective case series reporting on a variety of fixation techniques.

    Conclusions: The expense of cranial plating has far outpaced inflation in recent years and frequently exceeds surgeon reimbursement for craniotomies. Multiple options for cranial flap replacement exist, and available evidence does not allow definite conclusions regarding superiority of any particular technique. We suggest that cranial flap fixation presents an opportunity for substantial cost savings.

    Patient Care: Bone flap fixation is an integral and potentially costly part of the performance of a craniotomy, and the most cost-effective technique is not established. This work identifies the costs associated with usual practice.

    Learning Objectives: 1) Describe options for cranial flap fixation and their costs 2) Describe available evidence regarding bone flap fixation 3) Identify the need for further trials to establish the cost-effectiveness of various fixation techniques.

    References: Winston KR, Wang MC. Cranial bone fixation: review of the literature and description of a new procedure. J Neurosurg. 2003 Sep;99(3):484-8. PMID: 12959434. Broaddus WC, Holloway KL, Winters CJ, Bullock MR, Graham RS, Mathern BE, Ward JD, Young HF. Titanium miniplates or stainless steel wire for cranial fixation: a prospective randomized comparison. J Neurosurg. 2002 Feb;96(2):244-7. PMID: 11838797.

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