The American Journal of Medicine
Volume 120, Issue 1 , Pages 54-62 , January 2007

The Expectation Effect and Cardiac Pacing for Refractory Vasovagal Syncope

References 

  1. Soteriades ES, Evans JC, Larson MG, et al. Incidence and prognosis of syncope. N Engl J Med. 2002;347(12):878–885
  2. Trim GM, Krahn AD, Klein GJ, Skanes AC, Yee R. Pacing for vasovagal syncope after the second vasovagal pacemaker study (VPS II): a matter of judgement. Card Electrophysiol Rev. 2003;7(4):416–420
  3. Ammirati F, Colivicchi F, Toscano S, et al. DDD pacing with rate drop response function versus DDI with rate hysteresis pacing for cardioinhibitory vasovagal syncope. Pacing Clin Electrophysiol. 1998;21:2178–2181
  4. Flammang D, Antiel M, Church T, et al. Is a pacemaker indicated for vasovagal patients with severe cardioinhibitory reflex as identified by the ATP test? (A preliminary randomized trial). Europace. 1999;1(2):140–145
  5. Connolly SJ, Sheldon R, Roberts RS, Gent M. The North American Vasovagal Pacemaker Study (VPS) (A randomized trial of permanent cardiac pacing for the prevention of vasovagal syncope). J Am Coll Cardiol. 1999;33(1):16–20[see comments]
  6. Sutton R, Brignole M, Menozzi C, et al. Dual-chamber pacing in the treatment of neurally mediated tilt-positive cardioinhibitory syncope: pacemaker versus no therapy: a multicenter randomized study (The Vasovagal Syncope International Study (VASIS) Investigators). Circulation. 2000;102(3):294–299
  7. Ammirati F, Colivicchi F, Santini M. Permanent cardiac pacing versus medical treatment for the prevention of recurrent vasovagal syncope: a multicenter, randomized, controlled trial. Circulation. 2001;104(1):52–57
  8. Connolly SJ, Sheldon R, Thorpe KE, et al. The Second Vasovagal Pacemaker Study (VPSII). Pacing Clin Electrophysiol. 2003;26:1565
  9. Deharo JC, Brunetto AB, Bellocci F, et al. DDDR pacing driven by contractility versus DDI pacing in vasovagal syncope: a multicenter, randomized study. Pacing Clin Electrophysiol. 2003;26:447–450
  10. Occhetta E, Bortnik M, Audoglio R, Vassanelli C. Closed loop stimulation in prevention of vasovagal syncope (Inotropy Controlled Pacing in Vasovagal Syncope (INVASY): a multicentre randomized, single blind, controlled study). Europace. 2004;6(6):538–547
  11. Raviele A, Giada F, Menozzi C, et al. A randomized, double-blind, placebo-controlled study of permanent cardiac pacing for the treatment of recurrent tilt-induced vasovagal syncope (The vasovagal syncope and pacing trial (SYNPACE)). Eur Heart J. 2004;25(19):1741–1748
  12. McLeod KA, Wilson N, Hewitt J, Norrie J, Stephenson JB. Cardiac pacing for severe childhood neurally mediated syncope with reflex anoxic seizures. Heart. 1999;82(6):721–725
  13. Counsell CE, Salinas R, Naylor R, Warlow CP. A systematic review of the randomised trials of carotid patch angioplasty in carotid endarterectomy. Eur J Vasc Endovasc Surg. 1997;13(4):345–354
  14. Meade MO, Richardson WS. Selecting and appraising studies for a systematic review. Ann Intern Med. 1997;127(7):531–537
  15. Lau J, Ioannidis JP, Schmid CH. Quantitative synthesis in systematic reviews. Ann Intern Med. 1997;127(9):820–826
  16. Schulz KF, Chalmers I, Hayes RJ, Altman DG. Empirical evidence of bias (Dimensions of methodological quality associated with estimates of treatment effects in controlled trials). JAMA. 1995;273(5):408–412
  17. Egger M, Zellweger-Zahner T, Schneider M, Junker C, Lengeler C, Antes G. Language bias in randomised controlled trials published in English and German. Lancet. 1997;350(9074):326–329
  18. Cook DJ, Guyatt GH, Ryan G, et al. Should unpublished data be included in meta-analyses? (Current convictions and controversies). JAMA. 1993;269(21):2749–2753
  19. Berlin JA University of Pennsylvania Meta-analysis Blinding Study Group. Does blinding of readers affect the results of meta-analyses?. Lancet. 1997;350(9072):185–186
  20. Mantel N, Haenszel W. Statistical aspects of the analysis of data from retrospective studies of disease. J Natl Cancer Inst. 1959;22(4):719–748
  21. Robins J, Breslow N, Greenland S. Estimators of the Mantel-Haenszel variance consistent in both sparse data and large-strata limiting models. Biometrics. 1986;42(2):311–323
  22. Laird NM, Mosteller F. Some statistical methods for combining experimental results. Int J Technol Assess Health Care. 1990;6(1):5–30
  23. Yusuf S, Peto R, Lewis J, Collins R, Sleight P. Beta blockade during and after myocardial infarction: an overview of the randomized trials. Prog Cardiovasc Dis. 1985;27(5):335–371
  24. Fleiss JL, Gross AJ. Meta-analysis in epidemiology, with special reference to studies of the association between exposure to environmental tobacco smoke and lung cancer: a critique. J Clin Epidemiol. 1991;44(2):127–139
  25. DerSimonian R, Laird N. Meta-analysis in clinical trials. Control Clin Trials. 1986;7(3):177–188
  26. Fleiss JL. Statistical Methods for Rates and Proportions. 2nd ed.. New York, New York: J. Wiley; 1981;
  27. Higgins JP, Thompson SG, Deeks JJ, Altman DG. Measuring inconsistency in meta-analyses. BMJ. 2003;327(7414):557–560
  28. Light RJ, Pillemer DB. Summing Up: The Science of Reviewing Research. Cambridge, Massachusetts: Harvard University Press; 1984;
  29. Begg CB, Berlin JA. Publication bias: A problem in interpreting medical data. J R Stat Soc Ser A Stat Soc. 1988;151:419–463
  30. Egger M, Davey Smith G, Schneider M, Minder C. Bias in meta-analysis detected by a simple, graphical test. BMJ. 1997;315(7109):629–634
  31. Fisher LD, Gent M, Buller HR. Active-control trials: how would a new agent compare with placebo? (A method illustrated with clopidogrel, aspirin, and placebo). Am Heart J. 2001;141(1):26–32
  32. Rosenthal R. The file drawer problem and tolerance for null results. Psychol Bull. 1979;86:638–641
  33. Klein S, Simes J, Blackburn GL. Total parenteral nutrition and cancer clinical trials. Cancer. 1986;58(6):1378–1386
  34. Thompson SG. Why sources of heterogeneity in meta-analysis should be investigated. BMJ. 1994;309(6965):1351–1355
  35. Pettiti DB. Approaches to heterogeneity in meta-analysis. Stat Med. 2001;20:3625–3633
  36. Fananapazir L, Epstein ND, Curiel RV, Panza JA, Tripodi D, McAreavey D. Long-term results of dual-chamber (DDD) pacing in obstructive hypertrophic cardiomyopathy (Evidence for progressive symptomatic and hemodynamic improvement and reduction of left ventricular hypertrophy). [see comments] Circulation. 1994;90:2731–2742
  37. Maron BJ, Nishimura RA, McKenna WJ, Rakowski H, Josephson ME, Kieval RS. Assessment of permanent dual-chamber pacing as a treatment for drug-refractory symptomatic patients with obstructive hypertrophic cardiomyopathy (A randomized, double-blind, crossover study (M-PATHY)). Circulation. 1999;99(22):2927–2933
  38. Linde C, Gadler F, Kappenberger L, Ryden L PIC Study Group. Placebo effect of pacemaker implantation in obstructive hypertrophic cardiomyopathy (Pacing In Cardiomyopathy). Am J Cardiol. 1999;83(6):903–907
  39. Pogue J, Yusuf S. Overcoming the limitations of current meta-analysis of randomised controlled trials. Lancet. 1998;351(9095):47–52
  40. Raj SR, Koshman ML, Sheldon RS. Outcome of patients with dual-chamber pacemakers implanted for the prevention of neurally mediated syncope. Am J Cardiol. 2003;91(5):565–569
  41. Moya A, Brignole M, Menozzi C, et al. Mechanism of syncope in patients with isolated syncope and in patients with tilt-positive syncope. Circulation. 2001;104(11):1261–1267
  42. Moerman DE. The meaning response and the ethics of avoiding placebos. Eval Health Prof. 2002;25(4):399–409
  43. Moerman DE, Jonas WB. Deconstructing the placebo effect and finding the meaning response. Ann Intern Med. 2002;136(6):471–476
  44. Steering Committee of the ISSUE 2 Study. International Study on Syncope of Uncertain Etiology 2: the management of patients with suspected or certain neurally mediated syncope after the initial evaluation rationale and study design. Europace. 2003;5(3):317–321

PII: S0002-9343(06)00670-X

doi: 10.1016/j.amjmed.2006.05.046

The American Journal of Medicine
Volume 120, Issue 1 , Pages 54-62 , January 2007