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Sindewald RW, Brandel MG, Wali AR, Khalessi AA, Santiago-Dieppa DR. Simultaneous resolution of arachnoid cyst and chronic subdural hematoma after middle meningeal artery embolization: illustrative case. JOURNAL OF NEUROSURGERY. CASE LESSONS 2024; 8:CASE24192. [PMID: 39074387 DOI: 10.3171/case24192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2024] [Accepted: 04/15/2024] [Indexed: 07/31/2024]
Abstract
BACKGROUND Arachnoid cysts are cerebrospinal fluid-filled spaces that are typically congenital and treated conservatively or with fenestration when symptomatic. Chronic subdural hematomas (cSDHs) can arise in the presence of arachnoid cysts due to fragile leptomeningeal vessels or veins within the cyst wall or cyst lumen, leading to bleeding and subsequent hematoma formation. Middle meningeal artery (MMA) embolization is regularly used for the treatment of cSDH as an alternative to craniotomy and evacuation. OBSERVATIONS Here, the authors present the first known report of the simultaneous resolution of an arachnoid cyst and cSDH following MMA embolization in an adult. A 24-year-old male presented to the emergency department with 1 month of worsening headaches. Imaging revealed the presence of a cSDH and ipsilateral arachnoid cyst. The cSDH was treated with MMA embolization using coils exclusively. Follow-up imaging 4 months after embolization demonstrated simultaneous resolution of both the hematoma and the arachnoid cyst. LESSONS MMA embolization has been used for the treatment of cSDH. In cases in which the hematoma is related to an arachnoid cyst, MMA embolization can also lead to the concurrent resolution of both pathologies. https://thejns.org/doi/10.3171/CASE24192.
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Affiliation(s)
- Ryan W Sindewald
- Departments of Neurosurgery, University of California, San Diego, California
| | - Michael G Brandel
- Departments of Neurosurgery, University of California, San Diego, California
| | - Arvin R Wali
- Departments of Neurosurgery, University of California, San Diego, California
| | | | - David R Santiago-Dieppa
- Departments of Neurosurgery, University of California, San Diego, California
- Departments of Materials Science and Engineering, University of California, San Diego, California
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Campos JK, Meyer BM, Zarrin DA, Khan MW, Collard de Beaufort JC, Amin G, Avery MB, Golshani K, Beaty NB, Bender MT, Colby GP, Lin LM, Coon AL. Immediate procedural safety of adjunctive proximal coil occlusion in middle meningeal artery embolization for chronic subdural hematomas: Experience in 137 cases. Interv Neuroradiol 2024:15910199231224003. [PMID: 38166510 DOI: 10.1177/15910199231224003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2024] Open
Abstract
BACKGROUND Endovascular embolization of the middle meningeal artery (MMA) has emerged as an adjunctive and stand-alone modality for the management of chronic subdural hematomas (cSDH). We report our experience utilizing proximal MMA coil embolization to augment cSDH devascularization in MMA embolization. METHODS MMA embolization cases with adjunctive proximal MMA coiling were retrospectively identified from a prospectively maintained IRB-approved database of the senior authors. RESULTS Of the 137 cases, all patients (n = 89, 100%) were symptomatic and underwent an MMA embolization procedure for cSDH. 50 of the patients underwent bilateral embolizations, with 53% (n = 72) for left-sided and 47% (n = 65) for right-sided cSDH. The anterior MMA branch was embolized in 19 (14%), posterior in 16 (12%), and both in 102 (74.5%) cases. Penetration of the liquid embolic to the contralateral MMA or into the falx was present in 38 (28%) and 31 (23%) cases, respectively, and 46 (34%) cases had ophthalmic or petrous collateral (n = 41, 30%) branches. MMA branches coiled include the primary trunk (25.5%, n = 35), primary and anterior or posterior MMA trunks (20%, n = 28), or primary with the anterior and posterior trunks (54%, n = 74). A mild ipsilateral facial nerve palsy was reported, which remained stable at discharge and follow-up. Absence of anterograde flow in the MMA occurred in 137 (100%) cases, and no cases required periprocedural rescue surgery for cSDH evacuation. The average follow-up length was 170 ± 17.9 days, cSDH was reduced by 4.24 ± 0.5(mm) and the midline shift by 1.46 ± 0.27(mm). Complete resolution was achieved in 63 (46.0%) cases. CONCLUSION Proximal MMA coil embolization is a safe technique for providing additional embolization/occlusion of the MMA in cSDH embolization procedures. Further studies are needed to evaluate the potential added efficacy of this technique.
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Affiliation(s)
- Jessica K Campos
- Department of Neurological Surgery, University of California Irvine, Orange, CA, USA
| | | | - David A Zarrin
- David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
| | | | | | - Gizal Amin
- Carondelet Neurological Institute, St Joseph's Hospital, Tucson, AZ, USA
| | - Michael B Avery
- Department of Neurosurgery, Banner University Medical Center / The University of Arizona, Tucson, AZ, USA
| | - Kiarash Golshani
- Department of Neurological Surgery, University of California Irvine, Orange, CA, USA
| | - Narlin B Beaty
- Department of Neurosurgery, Florida State University, Tallahassee Memorial Hospital, Tallahassee, FL, USA
| | - Matthew T Bender
- Department of Neurosurgery, University of Rochester, Rochester, NY, USA
| | - Geoffrey P Colby
- Department of Neurosurgery, University of California Los Angeles, Los Angeles, CA, USA
| | - Li-Mei Lin
- Carondelet Neurological Institute, St Joseph's Hospital, Tucson, AZ, USA
| | - Alexander L Coon
- Carondelet Neurological Institute, St Joseph's Hospital, Tucson, AZ, USA
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Omura Y, Ishiguro T. Middle meningeal artery embolization for chronic subdural hematoma: a systematic review. Front Neurol 2023; 14:1259647. [PMID: 37881312 PMCID: PMC10593964 DOI: 10.3389/fneur.2023.1259647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Accepted: 09/25/2023] [Indexed: 10/27/2023] Open
Abstract
Background Chronic subdural hematoma (cSDH) is one of the most common diseases in neurosurgery. Middle meningeal artery embolization (MMAE) is reportedly an option to prevent recurrence or avoid surgery in patients with cSDH. This study was performed to review the evidence on MMAE for cSDH and evaluate its safety, efficacy, indications, and feasibility. Methods We systematically reviewed the literature according to the PRISMA guidelines using an electronic database. The search yielded 43 articles involving 2,783 patients who underwent MMAE. Results The hematoma resolution, recurrence, and retreatment rates in the MMAE-alone treatment group (n = 815) were 86.7%, 6.3%, and 9.6%, respectively, whereas those in the prophylactic MMAE with combined surgery group (n = 370) were 95.6%, 4.4%, and 3.4%, respectively. The overall MMAE-related complication rate was 2.3%. Conclusion This study shows that MMAE alone is, although not immediate, as effective as evacuation surgery alone in reducing hematoma. The study also shows that combined treatment has a lower recurrence rate than evacuation surgery alone. Because MMAE is a safe procedure, it should be considered for patients with cSDH, especially those with a high risk of recurrence.
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Affiliation(s)
| | - Taichi Ishiguro
- Department of Neurosurgery, Tokyo Women's Medical University Yachiyo Medical Center, Yachiyo, Chiba, Japan
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