Clinical Scorecard: A Decade-Long Hospital Study on the Incidence and Management of Spontaneous Subarachnoid Hemorrhage
At a Glance
Category
Detail
Condition
Spontaneous subarachnoid hemorrhage (SAH) due to ruptured aneurysms
Key Mechanisms
Rupture of cerebral aneurysms causing bleeding into the subarachnoid space; risk of rebleeding and increased intracranial pressure
Target Population
Patients admitted with spontaneous SAH from a defined Swedish population (2012-2021)
Care Setting
Neurosurgery and neurointerventional departments with neurointensive care at Uppsala University Hospital
Key Highlights
Rapid identification and occlusion of ruptured aneurysms is critical to prevent rebleeding.
Neurointervention (endovascular treatment) has become the preferred first-line treatment since 1996 due to less invasiveness and better 1-year outcomes compared to microsurgery.
Neurointensive care includes ventricular drainage, mechanical ventilation, nimodipine administration, and tiered management of elevated intracranial pressure.
Guideline-Based Recommendations
Diagnosis
Use computed tomography angiography (CTA) and/or digital subtraction angiography (DSA) to identify bleeding source.
Assess clinical condition using Hunt & Hess score and Reaction Level Scale-85 at admission.
Evaluate amount of blood on initial CT scan using Fisher scale.
Management
Treat ruptured aneurysms as early as possible unless patient is in terminal clinical state.
Prefer neurointervention for aneurysm occlusion when feasible with reasonable risk.
Use microsurgical clipping when endovascular treatment is unsuccessful, contraindicated, or when hematoma evacuation is needed.
Administer nimodipine mandatorily to prevent delayed ischemic neurologic deficits (DIND).
Treat DIND by increasing blood volume and pressure, and consider intraarterial nimodipine.
Manage high intracranial pressure with cerebrospinal fluid drainage targeting 15 mm Hg threshold.
Use pentobarbiturates and/or hemicraniectomy as last-tier treatments for refractory intracranial hypertension.
Monitoring & Follow-up
Monitor neurological status continuously using RLS-85 and Hunt & Hess scores.
Perform structured telephone follow-up at 1 year using Extended Glasgow Outcome Scale (GOSE) to assess functional outcome.
Record mortality during the first year post-SAH.
Risks
Risk of aneurysm rebleeding if treatment is delayed.
Potential complications of neurointervention include aneurysm rupture during procedure.
Dual anti-platelet therapy required for stent use may complicate intensive care management.
Patient & Prescribing Data
Patients with ruptured cerebral aneurysms presenting with spontaneous SAH in a Swedish tertiary care center.
Neurointervention techniques evolved from coil-only to include stents, flow diverters, and intrasaccular devices, expanding treatment options especially for complex aneurysms.
Clinical Best Practices
Early multidisciplinary decision-making between neurovascular surgeons and neurointerventionists to select optimal aneurysm treatment.
Conservative management of patients with neurological deficits prior to surgery to reduce surgical trauma and improve outcomes.
Continuous development and adoption of advanced neurointerventional devices to treat complex aneurysms.
Structured neurointensive care protocols including ventricular drainage, nimodipine use, and tiered ICP management.
Systematic functional outcome assessment at 1 year to guide quality improvement.
