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Comparative cost analysis of endovascular and open approaches for elective treatment of middle cerebral artery aneurysms.
Interventional Neuroradiology 2023 December 18
BACKGROUND: Intracranial aneurysms of the middle cerebral artery can be treated using several open surgical and endovascular approaches. Given the growing evidence of clinical equipoise between these various treatment strategies, there is a need to assess the costs associated with each.
METHODS: Cost of aneurysm treatment was divided into two categories for comparison. "Initial cost" comprised the total in-hospital expenses for initial aneurysm treatment and "total cost" comprised initial aneurysm treatment and all expenses relating to readmission due to treatment-related complications, prescribed catheter angiograms for monitoring of treatment stability, and any retreatments needed for a given aneurysm. The open surgical group was subdivided into a pterional approach group and a lateral supraorbital (LSO) approach group for.
RESULTS: Median initial cost was $37,152 (IQR $31,318-$44,947) for aneurysms treated with the pterional approach, $29,452 (IQR $27,779-$32,826) for aneurysms treated with the LSO approach, and $19,587 (IQR $14,125-$30,521) for aneurysms treated with endovascular approaches. The median total cost was $39,737 (IQR $33,891-$62,259) for aneurysms treated with the pterional approach, $31,785 (IQR $29,513-$41,099) for aneurysms treated with the LSO approach, and $24,578 (IQR $18,977-$34,547) for aneurysms treated with endovascular approaches. Analysis of variance test demonstrated variance across groups for both initial and total cost ( p = 0.004, p = 0.008, respectively). In our subsequent analysis, initial cost and total cost were higher in the pterional group than the endovascular group ( p = 0.003 and p = 0.006, respectively).
CONCLUSIONS: Endovascular treatment of elective aneurysms has a significantly lower cost than open surgical treatment with the pterional approach, but not with the LSO approach. For aneurysms not amenable to endovascular treatment, a minimally invasive LSO approach carries a lower cost burden than a pterional approach.
METHODS: Cost of aneurysm treatment was divided into two categories for comparison. "Initial cost" comprised the total in-hospital expenses for initial aneurysm treatment and "total cost" comprised initial aneurysm treatment and all expenses relating to readmission due to treatment-related complications, prescribed catheter angiograms for monitoring of treatment stability, and any retreatments needed for a given aneurysm. The open surgical group was subdivided into a pterional approach group and a lateral supraorbital (LSO) approach group for.
RESULTS: Median initial cost was $37,152 (IQR $31,318-$44,947) for aneurysms treated with the pterional approach, $29,452 (IQR $27,779-$32,826) for aneurysms treated with the LSO approach, and $19,587 (IQR $14,125-$30,521) for aneurysms treated with endovascular approaches. The median total cost was $39,737 (IQR $33,891-$62,259) for aneurysms treated with the pterional approach, $31,785 (IQR $29,513-$41,099) for aneurysms treated with the LSO approach, and $24,578 (IQR $18,977-$34,547) for aneurysms treated with endovascular approaches. Analysis of variance test demonstrated variance across groups for both initial and total cost ( p = 0.004, p = 0.008, respectively). In our subsequent analysis, initial cost and total cost were higher in the pterional group than the endovascular group ( p = 0.003 and p = 0.006, respectively).
CONCLUSIONS: Endovascular treatment of elective aneurysms has a significantly lower cost than open surgical treatment with the pterional approach, but not with the LSO approach. For aneurysms not amenable to endovascular treatment, a minimally invasive LSO approach carries a lower cost burden than a pterional approach.
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