Patterns of care and outcomes after computed tomography scans for headache

American Journal of Medicine

Volumn 124, Issue 1, 2011, Pages 58-63.e1

  You, John J ^a,b   Gladstone, Jonathan ^c,d   Symons, Sean ^d,e   Rotstein, Dalia ^e   Laupacis, Andreas ^b,e,f,g   Bell, Chaim M ^b,e,f,g  

^a MCMASTER UNIVERSITY   (Canada)

^b INSTITUTE FOR CLINICAL EVALUATIVE SCIENCES   (Canada)

^c Cleveland Clinic Canada   (Canada)

^d SUNNYBROOK RESEARCH INSTITUTE   (Canada)

^e UNIVERSITY OF TORONTO   (Canada)

^f UNIVERSITY OF TORONTO   (Canada)

^g ST MICHAEL'S HOSPITAL   (Canada)

Author keywords

Computed tomography; Headache; Health services research

Indexed keywords

ADULT; AMBULATORY CARE; ARTICLE; BRAIN SCINTISCANNING; BRAIN TUMOR; CANCER RISK; COMPUTED TOMOGRAPHY SCANNER; CROSS-SECTIONAL STUDY; DATA BASE; DEATH; EVIDENCE BASED PRACTICE; FEMALE; FOLLOW UP; HEADACHE; HEALTH SERVICE; HUMAN; IONIZING RADIATION; MAJOR CLINICAL STUDY; MALE; MEDICAL RECORD; NEUROIMAGING; NUCLEAR MAGNETIC RESONANCE IMAGING; OUTCOME ASSESSMENT; PHYSICIAN; PRIMARY MEDICAL CARE; PRIORITY JOURNAL; RADIATION EXPOSURE;

EID: 78650685654     PISSN: 00029343     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.amjmed.2010.08.010     Document Type: Article

References (23)

1. B.K. Rasmussen, R. Jensen, M. Schroll, and J. Olesen Epidemiology of headache in a general populationa prevalence study J Clin Epidemiol 44 1991 1147 1157
2. D.K. Cherry, E. Hing, D.A. Woodwell, and E.A. Rechtsteiner National Ambulatory Medical Care Survey: 2006 summary Natl Health Stat Report 2008 1 39
3. S.R. Pitts, R.W. Niska, J. Xu, and C.W. Burt National Hospital Ambulatory Medical Care Survey: 2006 emergency department summary Natl Health Stat Report 2008 1 38
4. A. Hopkins, M. Menken, and G. DeFriese A record of patient encounters in neurological practice in the United Kingdom J Neurol Neurosurg Psychiatry 52 1989 436 438
5. B. Vargas Migraine in modern media September 12, 2009 Presented at: The International Headache Conference Philadelphia, PA
6. W.E. Pryse-Phillips, D.W. Dodick, and J.G. Edmeads Guidelines for the diagnosis and management of migraine in clinical practice Canadian Headache Society CMAJ 156 1997 1273 1287
7. B.M. Frishberg, J.H. Rosenberg, and D.B. Matchar Evidence-based guidelines in the primary care setting: neuroimaging in patients with nonacute headache American Academy of Neurology http://www.aan.com/professionals/ practice/pdfs/gl0088.pdf 2010 Accessed April 27
8. J.J. You, I. Purdy, D. Rothwell, R. Przybysz, J. Fang, and A. Laupacis Indications for and results of outpatient computed tomography and magnetic resonance imaging in Ontario: a population-based study Can Assoc Radiol J 59 2008 135 143
9. M.D. Dumas, J.H. Pexman, and J.H. Kreeft Computed tomography evaluation of patients with chronic headache CMAJ 151 1994 1447 1452
10. S. Weingarten, M. Kleinman, L. Elperin, and E.B. Larson The effectiveness of cerebral imaging in the diagnosis of chronic headache Arch Intern Med 152 1992 2457 2462
11. S. Akpek, M. Arac, S. Atilla, B. Onal, C. Yucel, and S. Isik Cost-effectiveness of computed tomography in the evaluation of patients with headache Headache 35 1995 228 230
12. A.P. Sempere, J. Porta-Etessam, and V. Medrano Neuroimaging in the evaluation of patients with non-acute headache Cephalalgia 25 2005 30 35
13. A. Picard Scan use is up, but the value is questionable Globe & Mail April 16, 2009 L1
14. R. Fazel, H.M. Krumholz, and Y. Wang Exposure to low-dose ionizing radiation from medical imaging procedures N Engl J Med 361 2009 849 857
15. J.R. Landis, and G.G. Koch The measurement of observer agreement for categorical data Biometrics 33 1977 159 174
16. D. Juurlink, C. Preyra, and R. Croxford Canadian Institute for Health Information Discharge Abstract Database: A Validation Study 2006 Institute for Clinical Evaluative Sciences Toronto
17. S.C. Robles, L.D. Marrett, E.A. Clarke, and H.A. Risch An application of capture-recapture methods to the estimation of completeness of cancer registration J Clin Epidemiol 41 1988 495 501
18. D.J. Brenner, and E.J. Hall Computed tomographyan increasing source of radiation exposure N Engl J Med 357 2007 2277 2284
19. R. Smith-Bindman, J. Lipson, and R. Marcus Radiation dose associated with common computed tomography examinations and the associated lifetime attributable risk of cancer Arch Intern Med 169 2009 2078 2086
20. G.A. Berrington de, M. Mahesh, and K.P. Kim Projected cancer risks from computed tomographic scans performed in the United States in 2007 Arch Intern Med 169 2009 2071 2077
21. M.E. Detsky, D.R. McDonald, M.O. Baerlocher, G.A. Tomlinson, D.C. McCrory, and C.M. Booth Does this patient with headache have a migraine or need neuroimaging? JAMA 296 2006 1274 1283
22. L. Howard, S. Wessely, and M. Leese Are investigations anxiolytic or anxiogenic? A randomized controlled trial of neuroimaging to provide reassurance in chronic daily headache J Neurol Neurosurg Psychiatry 76 2005 1558 1564
23. J.J. You, W. Levinson, and A. Laupacis Attitudes of family physicians, specialists and radiologists about the use of computed tomography and magnetic resonance imaging in Ontario Healthc Policy 5 2009 54 65