¿Qué pacientes requieren estudios para descartar una hemorragia subaracnoidea?

1. Edlow JA, Panagos PD, Godwin SA, Thomas TL, DeckerWW; American College of Emergency Physicians. Clinical policy: critical issues in the evaluation and management of adult patients presenting to the emergency department with acute headache. Ann Emerg Med. 2008;52(4):407-436.
2. Vermeulen M, van Gijn J. The diagnosis of subarachnoid haemorrhage. J Neurol Neurosurg Psychiatry. 1990;53(5):365-372.
3. Perry JJ, Stiell IG,Wells GA, Spacek AM. Diagnostic test utilization in the emergency department for alert headache patients with possible subarachnoid hemorrhage. CJEM. 2002;4(5):333-337.
4. Morgenstern LB, Huber JC, Luna-Gonzales H, et al. Headache in the emergency department. Headache. 2001;41(6):537-541.
5. Weir B. Headaches from aneurysms. Cephalalgia. 1994;14(2):79-87.
6. Vermeulen MJ, SchullMJ. Missed diagnosis of subarachnoid hemorrhage in the emergency department. Stroke. 2007;38(4):1216-1221.
7. Perry JJ, Stiell IG, SivilottiML, et al. Sensitivity of computed tomography performed within six hours of onset of headache for diagnosis of subarachnoid haemorrhage: prospective cohort study. BMJ. 2011;343:d4277.
8. Evans RW, Armon C, Frohman EM, Goodin DS. Assessment: prevention of post-lumbar puncture headaches: report of the Therapeutics and Technology Assessment Subcommittee of the American Academy of Neurology. Neurology. 2000;55(7):909-914.
9. Wasson JH, Sox HC, Neff RK, Goldman L. Clinical prediction rules: applications and methodological standards. N Engl J Med. 1985;313(13):793-799. 10. Laupacis A, Sekar N, Stiell IG. Clinical prediction rules: a review and suggested modifications of methodological standards. JAMA. 1997;277(6):488-494.
11. McGinn TG, Guyatt GH,Wyer PC, Naylor CD, Stiell IG, RichardsonWS; Evidence-Based Medicine Working Group. Users’ Guides to the Medical Literature: XXII: how to use articles about clinical decision rules. JAMA. 2000;284(1):79-84.
12. Stiell IG,Wells GA.Methodologic standards for the development of clinical decision rules in emergency medicine. Ann Emerg Med. 1999;33(4):437-447.
13. Perry JJ, Stiell IG, SivilottiML, et al. High-risk clinical characteristics for subarachnoid haemorrhage in patients with acute headache: prospective cohort study. BMJ. 2010;341:c5204.
14. Teasdale G, Jennett B. Assessment of coma and impaired consciousness: a practical scale. Lancet. 1974;2(7872):81-84.
15. Tsementzis SA, Hitchcock ER, DeCothi A, Gill JS. Comparative studies of the diagnostic value of cerebrospinal fluid spectrophotometry and computed tomographic scanning in subarachnoid hemorrhage. Neurosurgery. 1985;17(6):908-912.
16. Sames TA, Storrow AB, Finkelstein JA, Magoon MR. Sensitivity of new-generation computed tomography in subarachnoid hemorrhage. Acad Emerg Med. 1996;3(1):16-20.
17. Perry JJ, Sivilotti MLA, Stiell IG, et al. Should spectrophotometry be used to identify xanthochromia in the cerebrospinal fluid of alert patients suspected of having subarachnoid hemorrhage? Stroke. 2006;37(10):2467-2472.
18. van derWee N, Rinkel GJE, Hasan D, van Gijn J. Detection of subarachnoid haemorrhage on early CT: is lumbar puncture still needed after a negative scan? J Neurol Neurosurg Psychiatry. 1995;58(3):357-359.
19. Landis JR, Koch GG. The measurement of observer agreement for categorical data. Biometrics. 1977;33(1):159-174.
20. Perry JJ, Eagles D, Clement CM, et al. An international study of emergency physicians’ practice for acute headache management and the need for a clinical decision rule. CJEM. 2009;11(6):516-522.
21. McBeath JG, Nanda A. Case reports: sudden worsening of cluster headache: a signal of aneurysmal thrombosis and enlargement. Headache. 2000;40(8):686-688.
22. Perry JJ, Symington C, Mansour M, TaljaardM, Stiell IG. Is this subarachnoid hemorrhage significant? a National Survey of Neurosurgeons. Can J Neurol Sci. 2012;39(5):638-643.
23. Kissel JT, Burde RM, Klingele TG, Zeiger HE. Pupil-sparing oculomotor palsies with internal carotid–posterior communicating artery aneurysms. Ann Neurol. 1983;13(2):149-154.