2026 Poster Presentations
P496: SURGICAL MANAGEMENT OF ANEURYSMS IN SENEGAL: A 10-YEAR REVIEW OF PATIENT DEMOGRAPHICS, CLINICAL FEATURES, AND TREATMENT OUTCOMES
Oumou Kalsoum Mbacke, MSII1; Mbaye Thioub, MD2; Alioune Badara Thiam2; Omar Thiam2; Heather Stevens Spader1; 1University of Virginia Medical Center; 2Fann Teaching Hospital
Purpose: This study aims to describe patient profile, aneurysm characteristics, peri-operative events, and short to long-term functional outcomes in all intracranial aneurysms managed by microsurgical clipping at a tertiary neurosurgical centre in Senegal over a 10-year period.
Methods: We retrospectively reviewed all patients who underwent microsurgical clipping for intracranial aneurysms at Senegal’s national neurosurgical center from 2013 to 2024. Clinical, radiologic, and operative data were extracted from a prospectively maintained registry. Predefined 30-day complications and functional outcomes by modified Rankin Scale (mRS) were recorded at discharge, 1 month, 6 months, and final follow-up. Descriptive statistics were used. Group comparisons were performed using the Kruskal-Wallis and Mann-Whitney U tests.
Results: The cohort included 581 patients (mean age 48.0 ± 14.4 years; 69.0% female). Hypertension was the most common comorbidity (54.9%). Aneurysms were predominantly located in the anterior circulation (76.2%) with a median diameter of 5 mm (IQR 4–7). Microsurgical clipping was performed in 95.3% of cases. Median operative time was 215 minutes (IQR 180–240), and median hospital stay was 18 days (IQR 13–25). Thirty-day complications included hydrocephalus (10.2%), vasospasm (9.8%), early rebleeding (4.6%), and new neurological deficits (18.1%). Favorable mRS outcomes (0–2) were achieved in 64.1% at discharge, 79.5% at 1 month, 86.0% at 6 months, and 80.1% at the last follow-up. In-hospital mortality was 11.4%. Late rebleeding occurred in 0.2% of patients.
Conclusion: Over a 10-year period, microsurgical clipping in this resource-limited setting achieved durable aneurysm exclusion with acceptable early morbidity. Functional independence was preserved in most patients, and severe complications were infrequent. These benchmarks may guide quality improvement and surgical planning in comparable LMIC settings.
Keywords: Intracranial Aneurysm; Intraoperative Rupture; Microsurgical Clipping; Descriptive Study; Senegal; Global Neurosurgery