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Aneurysmal Subarachnoid Hemorrhage
Anne G. Osborn, MD, FACR
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Clinical Issues

          • Diagnostic Checklist

            TERMINOLOGY

            • Abbreviations

              • Aneurysmal subarachnoid hemorrhage (aSAH)
            • Definitions

              • Extravasation of blood into subarachnoid space
                • Usually from ruptured saccular aneurysm
                • Less common: Intracranial dissection, dissecting aneurysm

            IMAGING

            • General Features

              • CT Findings

                • MR Findings

                  • Ultrasonographic Findings

                    • Angiographic Findings

                      • Imaging Recommendations

                        DIFFERENTIAL DIAGNOSIS

                          PATHOLOGY

                          • General Features

                            • Staging, Grading, & Classification

                              • Gross Pathologic & Surgical Features

                                CLINICAL ISSUES

                                • Presentation

                                  • Demographics

                                    • Natural History & Prognosis

                                      • Treatment

                                        DIAGNOSTIC CHECKLIST

                                        • Consider

                                          Selected References

                                          1. Ditz C et al: Cerebral vasospasm after spontaneous subarachnoid hemorrhage: angiographic pattern and its impact on the clinical course. World Neurosurg. ePub, 2020
                                          2. Kang HM et al: Clinical characteristics of asymptomatic Terson syndrome in the patients with aneurysmal subarachnoid hemorrhage. Int J Ophthalmol. 13(2):292-300, 2020
                                          3. Neulen A et al: Automated grading of cerebral vasospasm to standardize computed tomography angiography examinations after subarachnoid hemorrhage. Front Neurol. 11:13, 2020
                                          4. Sharma S et al: The role of transcranial Doppler in cerebral vasospasm: a literature review. Acta Neurochir Suppl. 127:201-5, 2020
                                          5. Shi Z et al: Artificial intelligence in the management of intracranial aneurysms: current status and future perspectives. AJNR Am J Neuroradiol. 41(3):373-9, 2020
                                          6. Caton MT Jr et al: Non-traumatic subdural hemorrhage: beware of ruptured intracranial aneurysm. Emerg Radiol. 26(5):567-71, 2019
                                          7. Fragata I et al: Imaging predictors of outcome in acute spontaneous subarachnoid hemorrhage: a review of the literature. Acta Radiol. 60(2):247-59, 2019
                                          8. Hackenberg KAM et al: Common data elements for radiological imaging of patients with subarachnoid hemorrhage: proposal of a multidisciplinary research group. Neurocrit Care. 30(Suppl 1):60-78, 2019
                                          9. Howard BM et al: Comprehensive review of imaging of intracranial aneurysms and angiographically negative subarachnoid hemorrhage. Neurosurg Focus. 47(6):E20, 2019
                                          10. Hsu CC et al: High-resolution MRI vessel wall imaging in acute aneurysmal subarachnoid hemorrhage: spatiotemporal pattern and clinicoradiologic implications. Clin Neuroradiol. ePub, 2019
                                          11. Rouanet C et al: Aneurysmal subarachnoid hemorrhage: current concepts and updates. Arq Neuropsiquiatr. 77(11):806-14, 2019
                                          12. Alons IME et al: Yield of computed tomography (CT) angiography in patients with acute headache, normal neurological examination, and normal non contrast CT: a meta-analysis. J Stroke Cerebrovasc Dis. 27(4):1077-84, 2018
                                          13. Gonçalves B et al: Effect of early brain infarction after subarachnoid hemorrhage: A systematic review and meta-analysis. World Neurosurg. 115:e292-8, 2018
                                          14. Ho AL et al: Practical pearl: Use of MRI to differentiate pseudo-subarachnoid hemorrhage from true subarachnoid hemorrhage. Neurocrit Care. 29(1):113-8, 2018
                                          Related Anatomy
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                                          Related Differential Diagnoses
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                                          References
                                          Tables

                                          Tables

                                          KEY FACTS

                                          • Terminology

                                            • Imaging

                                              • Top Differential Diagnoses

                                                • Clinical Issues

                                                  • Diagnostic Checklist

                                                    TERMINOLOGY

                                                    • Abbreviations

                                                      • Aneurysmal subarachnoid hemorrhage (aSAH)
                                                    • Definitions

                                                      • Extravasation of blood into subarachnoid space
                                                        • Usually from ruptured saccular aneurysm
                                                        • Less common: Intracranial dissection, dissecting aneurysm

                                                    IMAGING

                                                    • General Features

                                                      • CT Findings

                                                        • MR Findings

                                                          • Ultrasonographic Findings

                                                            • Angiographic Findings

                                                              • Imaging Recommendations

                                                                DIFFERENTIAL DIAGNOSIS

                                                                  PATHOLOGY

                                                                  • General Features

                                                                    • Staging, Grading, & Classification

                                                                      • Gross Pathologic & Surgical Features

                                                                        CLINICAL ISSUES

                                                                        • Presentation

                                                                          • Demographics

                                                                            • Natural History & Prognosis

                                                                              • Treatment

                                                                                DIAGNOSTIC CHECKLIST

                                                                                • Consider

                                                                                  Selected References

                                                                                  1. Ditz C et al: Cerebral vasospasm after spontaneous subarachnoid hemorrhage: angiographic pattern and its impact on the clinical course. World Neurosurg. ePub, 2020
                                                                                  2. Kang HM et al: Clinical characteristics of asymptomatic Terson syndrome in the patients with aneurysmal subarachnoid hemorrhage. Int J Ophthalmol. 13(2):292-300, 2020
                                                                                  3. Neulen A et al: Automated grading of cerebral vasospasm to standardize computed tomography angiography examinations after subarachnoid hemorrhage. Front Neurol. 11:13, 2020
                                                                                  4. Sharma S et al: The role of transcranial Doppler in cerebral vasospasm: a literature review. Acta Neurochir Suppl. 127:201-5, 2020
                                                                                  5. Shi Z et al: Artificial intelligence in the management of intracranial aneurysms: current status and future perspectives. AJNR Am J Neuroradiol. 41(3):373-9, 2020
                                                                                  6. Caton MT Jr et al: Non-traumatic subdural hemorrhage: beware of ruptured intracranial aneurysm. Emerg Radiol. 26(5):567-71, 2019
                                                                                  7. Fragata I et al: Imaging predictors of outcome in acute spontaneous subarachnoid hemorrhage: a review of the literature. Acta Radiol. 60(2):247-59, 2019
                                                                                  8. Hackenberg KAM et al: Common data elements for radiological imaging of patients with subarachnoid hemorrhage: proposal of a multidisciplinary research group. Neurocrit Care. 30(Suppl 1):60-78, 2019
                                                                                  9. Howard BM et al: Comprehensive review of imaging of intracranial aneurysms and angiographically negative subarachnoid hemorrhage. Neurosurg Focus. 47(6):E20, 2019
                                                                                  10. Hsu CC et al: High-resolution MRI vessel wall imaging in acute aneurysmal subarachnoid hemorrhage: spatiotemporal pattern and clinicoradiologic implications. Clin Neuroradiol. ePub, 2019
                                                                                  11. Rouanet C et al: Aneurysmal subarachnoid hemorrhage: current concepts and updates. Arq Neuropsiquiatr. 77(11):806-14, 2019
                                                                                  12. Alons IME et al: Yield of computed tomography (CT) angiography in patients with acute headache, normal neurological examination, and normal non contrast CT: a meta-analysis. J Stroke Cerebrovasc Dis. 27(4):1077-84, 2018
                                                                                  13. Gonçalves B et al: Effect of early brain infarction after subarachnoid hemorrhage: A systematic review and meta-analysis. World Neurosurg. 115:e292-8, 2018
                                                                                  14. Ho AL et al: Practical pearl: Use of MRI to differentiate pseudo-subarachnoid hemorrhage from true subarachnoid hemorrhage. Neurocrit Care. 29(1):113-8, 2018