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Michael S Schaffer

TitleProfessor
InstitutionUniversity of Colorado Denver - Anschutz Medical Campus
DepartmentSOM-PEDS
Phone720/777-2942

    Collapse Bibliographic 
    Collapse selected publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    1. von Alvensleben JC, Schaffer M, Brateng C, Collins KK. Atrial undersensing secondary to quiet timer blanking in pediatric and congenital heart disease patients. Pacing Clin Electrophysiol. 2017 Jul; 40(7):843-849. PMID: 28436549.
      View in: PubMed
    2. Kiger ME, McCanta AC, Tong S, Schaffer M, Runciman M, Collins KK. Intermittent versus Persistent Wolff-Parkinson-White Syndrome in Children: Electrophysiologic Properties and Clinical Outcomes. Pacing Clin Electrophysiol. 2016 Jan; 39(1):14-20. PMID: 26256551.
      View in: PubMed
    3. Kang KT, Etheridge SP, Kantoch MJ, Tisma-Dupanovic S, Bradley DJ, Balaji S, Hamilton RM, Singh AK, Cannon BC, Schaffer MS, Potts JE, Sanatani S. Current management of focal atrial tachycardia in children: a multicenter experience. Circ Arrhythm Electrophysiol. 2014 Aug; 7(4):664-70. PMID: 25015944.
      View in: PubMed
    4. Castaneto MS, Barnes AJ, Scheidweiler KB, Schaffer M, Rogers KK, Stewart D, Huestis MA. Identifying methamphetamine exposure in children. Ther Drug Monit. 2013 Dec; 35(6):823-30. PMID: 24263642; PMCID: PMC3838616.
      View in: PubMed, PubMed Central
    5. Collins KK, Schaffer MS, Liberman L, Saarel E, Knecht M, Tanel RE, Bradley D, Dubin AM, Paul T, Salerno J, Bar-Cohen Y, Sreeram N, Sanatani S, Law IH, Blaufox A, Batra A, Moltedo JM, van Hare GF, Reed J, Ro PS, Kugler J, Anderson C, Triedman JK. Fascicular and nonfascicular left ventricular tachycardias in the young: an international multicenter study. J Cardiovasc Electrophysiol. 2013 Jun; 24(6):640-8. PMID: 23437865.
      View in: PubMed
    6. Bartakian S, Fagan TE, Schaffer MS, Darst JR. Device closure of secundum atrial septal defects in children <15 kg: complication rates and indications for referral. JACC Cardiovasc Interv. 2012 Nov; 5(11):1178-84. PMID: 23174643.
      View in: PubMed
    7. Villasenor M, Schaffer MS, Collins KK. Cryoablation for presumed atrioventricular nodal reentrant tachycardia in pediatric patients. Pacing Clin Electrophysiol. 2012 Nov; 35(11):1319-25. PMID: 22946704.
      View in: PubMed
    8. Bat T, Collins KK, Schaffer MS. Syncope during exercise: just another benign vasovagal event? Curr Opin Pediatr. 2011 Oct; 23(5):573-5. PMID: 21743327.
      View in: PubMed
    9. McCanta AC, Schaffer MS, Collins KK. Pediatric and Adult Congenital Endocardial Lead Extraction or Abandonment Decision (PACELEAD) survey of lead management. Pacing Clin Electrophysiol. 2011 Dec; 34(12):1621-7. PMID: 21955103.
      View in: PubMed
    10. Collins KK, Schaffer MS. Use of cryoablation for treatment of tachyarrhythmias in 2010: survey of current practices of pediatric electrophysiologists. Pacing Clin Electrophysiol. 2011 Mar; 34(3):304-8. PMID: 21077912.
      View in: PubMed
    11. Rausch CM, Schaffer M, Collins KK. Ventricular ectopy following successful cryoablation for Wolff-Parkinson-White syndrome in the right posterior septum: a case report. Congenit Heart Dis. 2010 Nov-Dec; 5(6):614-9. PMID: 21106023.
      View in: PubMed
    12. Rausch CM, Hughes BH, Runciman M, Law IH, Bradley DJ, Sujeev M, Duke A, Schaffer M, Collins KK. Axillary versus infraclavicular placement for endocardial heart rhythm devices in patients with pediatric and congenital heart disease. Am J Cardiol. 2010 Dec 01; 106(11):1646-51. PMID: 21094368.
      View in: PubMed
    13. McCanta AC, Collins KK, Schaffer MS. Incidental dual atrioventricular nodal physiology in children and adolescents: clinical follow-up and implications. Pacing Clin Electrophysiol. 2010 Dec; 33(12):1528-32. PMID: 20955342.
      View in: PubMed
    14. Collins KK, Silva JN, Rhee EK, Schaffer MS. Use of a wearable automated defibrillator in children compared to young adults. Pacing Clin Electrophysiol. 2010 Sep; 33(9):1119-24. PMID: 20561227.
      View in: PubMed
    15. Howley LW, DI Maria M, Bailey A, Schaffer MS. Neonatal long QT syndrome type 3 predicted by positive lidocaine challenge. Pacing Clin Electrophysiol. 2010 Mar; 33(3):377-9. PMID: 19793370.
      View in: PubMed
    16. Collins KK, Runciman M, Rausch CM, Schaffer MS. Toward improved cosmetic results: a novel technique for the placement of a pacemaker or internal cardioverter/defibrillator generators in the axilla of young patients. Pediatr Cardiol. 2009 Nov; 30(8):1157-60. PMID: 19641841.
      View in: PubMed
    17. Collins KK, Van Hare GF, Kertesz NJ, Law IH, Bar-Cohen Y, Dubin AM, Etheridge SP, Berul CI, Avari JN, Tuzcu V, Sreeram N, Schaffer MS, Fournier A, Sanatani S, Snyder CS, Smith RT, Arabia L, Hamilton R, Chun T, Liberman L, Kakavand B, Paul T, Tanel RE. Pediatric nonpost-operative junctional ectopic tachycardia medical management and interventional therapies. J Am Coll Cardiol. 2009 Feb 24; 53(8):690-7. PMID: 19232902.
      View in: PubMed
    18. Van Hare GF, Colan SD, Javitz H, Carmelli D, Knilans T, Schaffer M, Kugler J, Byrum CJ, Saul JP. Prospective assessment after pediatric cardiac ablation: fate of intracardiac structure and function, as assessed by serial echocardiography. Am Heart J. 2007 May; 153(5):815-20, 820.e1-6. PMID: 17452159; PMCID: PMC1950149.
      View in: PubMed, PubMed Central
    19. Beroukhim RS, Reed JH, Schaffer MS, Yetman AT. Surgical correction of mitral valve prolapse : a cure for recurrent ventricular tachycardia in Marfan syndrome? Pediatr Cardiol. 2006 Nov-Dec; 27(6):755-8. PMID: 17019535.
      View in: PubMed
    20. Wathen JE, Rewers AB, Yetman AT, Schaffer MS. Accuracy of ECG interpretation in the pediatric emergency department. Ann Emerg Med. 2005 Dec; 46(6):507-11. PMID: 16308065.
      View in: PubMed
    21. Van Hare GF, Javitz H, Carmelli D, Saul JP, Tanel RE, Fischbach PS, Kanter RJ, Schaffer M, Dunnigan A, Colan S, Serwer G. Prospective assessment after pediatric cardiac ablation: recurrence at 1 year after initially successful ablation of supraventricular tachycardia. Heart Rhythm. 2004 Jul; 1(2):188-96. PMID: 15851152; PMCID: PMC1892227.
      View in: PubMed, PubMed Central
    22. Van Hare GF, Javitz H, Carmelli D, Saul JP, Tanel RE, Fischbach PS, Kanter RJ, Schaffer M, Dunnigan A, Colan S, Serwer G. Prospective assessment after pediatric cardiac ablation: demographics, medical profiles, and initial outcomes. J Cardiovasc Electrophysiol. 2004 Jul; 15(7):759-70. PMID: 15250858.
      View in: PubMed
    23. Dubin AM, Berul CI, Bevilacqua LM, Collins KK, Etheridge SP, Fenrich AL, Friedman RA, Hamilton RM, Schaffer MS, Shah M, Silka MJ, Van Hare GF, Kertesz NJ. The use of implantable cardioverter-defibrillators in pediatric patients awaiting heart transplantation. J Card Fail. 2003 Oct; 9(5):375-9. PMID: 14583898.
      View in: PubMed
    24. Van Hare GF, Carmelli D, Smith WM, Kugler J, Silka M, Friedman R, Atkins D, Saul P, Schaffer M, Byrum C, Dunnigan A, Colan S, Serwer G. Prospective assessment after pediatric cardiac ablation: design and implementation of the multicenter study. Pacing Clin Electrophysiol. 2002 Mar; 25(3):332-41. PMID: 11990663; PMCID: PMC2034523.
      View in: PubMed, PubMed Central
    25. Ozer S, Schaffer M. Sinus node reentrant tachycardia in a neonate. Pacing Clin Electrophysiol. 2001 Jun; 24(6):1038-40. PMID: 11449583.
      View in: PubMed
    26. Ozer S, Allen S, Schaffer MS. Adenosine- and verapamil-sensitive ventricular tachycardia in the newborn. Pacing Clin Electrophysiol. 2001 May; 24(5):898-901. PMID: 11388113.
      View in: PubMed
    27. Brekke D, DeGroff CG, Schaffer M. Changing Electrocardiographic Patterns During Medical Treatment in a Patient With Anomalous Left Coronary Artery Originating From the Pulmonary Artery. Circulation. 2001 Apr 24; 103(16):E85-E86. PMID: 11319207.
      View in: PubMed
    28. Saul JP, Ross B, Schaffer MS, Beerman L, Melikian AP, Shi J, Williams J, Barbey JT, Jin J, Hinderling PH. Pharmacokinetics and pharmacodynamics of sotalol in a pediatric population with supraventricular and ventricular tachyarrhythmia. Clin Pharmacol Ther. 2001 Mar; 69(3):145-57. PMID: 11240979.
      View in: PubMed
    29. Saul JP, Schaffer MS, Karpawich PP, Erickson CC, Epstein MR, Melikian AP, Shi J, Karara AH, Cai B, Hinderling PH. Single-dose pharmacokinetics of sotalol in a pediatric population with supraventricular and/or ventricular tachyarrhythmia. J Clin Pharmacol. 2001 Jan; 41(1):35-43. PMID: 11144992.
      View in: PubMed
    30. Schaffer MS, Gow RM, Moak JP, Saul JP. Mortality following radiofrequency catheter ablation (from the Pediatric Radiofrequency Ablation Registry). Participating members of the Pediatric Electrophysiology Society. Am J Cardiol. 2000 Sep 15; 86(6):639-43. PMID: 10980215.
      View in: PubMed
    31. Schaffer MS, Snyder AM, Morrison JE. An assessment of desflurane for use during cardiac electrophysiological study and radiofrequency ablation of supraventricular dysrhythmias in children. Paediatr Anaesth. 2000; 10(2):155-9. PMID: 10736078.
      View in: PubMed
    32. Boris JR, Drose JA, Schaffer MS, Shaffer EM. Spontaneous resolution of atrioventricular dissociation in utero. Pediatr Cardiol. 1998 Nov-Dec; 19(6):487-9. PMID: 9770580.
      View in: PubMed
    33. Ivy DD, Neish SR, Knudson OA, Nihill MR, Schaffer MS, Tyson RW, Abman SH, Shaffer EM, Valdes-Cruz L. Intravascular ultrasonic characteristics and vasoreactivity of the pulmonary vasculature in children with pulmonary hypertension. Am J Cardiol. 1998 Mar 15; 81(6):740-8. PMID: 9527085.
      View in: PubMed
    34. Graham K, Sondheimer H, Schaffer M. Resolution of cavopulmonary shunt-associated pulmonary arteriovenous malformation after heart transplantation. J Heart Lung Transplant. 1997 Dec; 16(12):1271-4. PMID: 9436140.
      View in: PubMed
    35. Lemler MS, Schaffer MS. Neonatal supraventricular tachycardia: predictors of successful treatment withdrawal. Am Heart J. 1997 Jan; 133(1):130-1. PMID: 9006301.
      View in: PubMed
    36. Schaffer MS, Silka MJ, Ross BA, Kugler JD. Inadvertent atrioventricular block during radiofrequency catheter ablation. Results of the Pediatric Radiofrequency Ablation Registry. Pediatric Electrophysiology Society. Circulation. 1996 Dec 15; 94(12):3214-20. PMID: 8989131.
      View in: PubMed
    37. Scott WA, Pongiglione G, Bromberg BI, Schaffer MS, Deal BJ, Fish FA, Dick M. Randomized comparison of atenolol and fludrocortisone acetate in the treatment of pediatric neurally mediated syncope. Am J Cardiol. 1995 Aug 15; 76(5):400-2. PMID: 7639169.
      View in: PubMed
    38. Ivy D, Loehr J, Schaffer M. Usefulness of prolonged prostaglandin infusion in neonates with Ebstein's anomaly. Am J Cardiol. 1993 Dec 01; 72(17):1327-9. PMID: 8256717.
      View in: PubMed
    39. Abman SH, Kinsella JP, Schaffer MS, Wilkening RB. Inhaled nitric oxide in the management of a premature newborn with severe respiratory distress and pulmonary hypertension. Pediatrics. 1993 Oct; 92(4):606-9. PMID: 8414836.
      View in: PubMed
    40. Allen SW, Chatfield BA, Koppenhafer SA, Schaffer MS, Wolfe RR, Abman SH. Circulating immunoreactive endothelin-1 in children with pulmonary hypertension. Association with acute hypoxic pulmonary vasoreactivity. Am Rev Respir Dis. 1993 Aug; 148(2):519-22. PMID: 8342919.
      View in: PubMed
    41. Case CL, Schaffer MS, Dhala AA, Gillette PC, Fletcher SE. Radiofrequency catheter ablation of an accessory atrioventricular connection in a Fontan patient. Pacing Clin Electrophysiol. 1993 Jul; 16(7 Pt 1):1434-6. PMID: 7689211.
      View in: PubMed
    42. Schaffer MS, Gillette PC. Ventriculoatrial intervals during narrow complex reentrant tachycardia in children. Am Heart J. 1991 Jun; 121(6 Pt 1):1699-702. PMID: 2035384.
      View in: PubMed
    43. Schaffer MS, Trippel DL, Buckles DS, Young RH, Dolan PL, Gillette PC. The longitudinal time course of QTc in early infancy. Preliminary results of a prospective sudden infant death syndrome surveillance program. J Perinatol. 1991 Mar; 11(1):57-62. PMID: 2037892.
      View in: PubMed
    44. Schroeder J, Albert J, Clarke D, Schaffer M, Wolfe R, Hays T. Hemolysis due to branch pulmonary stenosis after the arterial switch procedure. Ann Thorac Surg. 1991 Mar; 51(3):491-2. PMID: 1998435.
      View in: PubMed
    45. Wolfe RR, Loehr JP, Schaffer MS, Wiggins JW. Hemodynamic effects of ketamine, hypoxia and hyperoxia in children with surgically treated congenital heart disease residing greater than or equal to 1,200 meters above sea level. Am J Cardiol. 1991 Jan 01; 67(1):84-7. PMID: 1986509.
      View in: PubMed
    46. Abman SH, Burchell MF, Schaffer MS, Rosenberg AA. Late sudden unexpected deaths in hospitalized infants with bronchopulmonary dysplasia. Am J Dis Child. 1989 Jul; 143(7):815-9. PMID: 2741853.
      View in: PubMed
    47. Abman SH, Schaffer MS, Wiggins J, Washington R, Manco-Johnson M, Wolfe RR. Pulmonary vascular extraction of circulating norepinephrine in infants with bronchopulmonary dysplasia. Pediatr Pulmonol. 1987 Nov-Dec; 3(6):386-91. PMID: 3696807.
      View in: PubMed
    48. Schaffer MS, Clarke DR, Campbell DN, Madigan CK, Wiggins JW, Wolfe RR. The St. Jude Medical cardiac valve in infants and children: role of anticoagulant therapy. J Am Coll Cardiol. 1987 Jan; 9(1):235-9. PMID: 3794103.
      View in: PubMed
    49. Schaffer MS, de Souza M, Gilday DL, Rose V. Exercise radionuclide right ventriculography in children. Pediatr Cardiol. 1987; 8(4):235-40. PMID: 3432112.
      View in: PubMed
    50. Schaffer MS, Campbell DN, Clarke DR, Wiggins JW, Wolfe RR. Aortoventriculoplasty in children. J Thorac Cardiovasc Surg. 1986 Sep; 92(3 Pt 1):391-5. PMID: 3528677.
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    51. Loehr JP, Schaffer MS, Cowgill LD, Clarke DR, Campbell DN. Aortoventriculoplasty in a five-month-old infant: an alternative approach to the treatment of critical aortic stenosis in infancy. Pediatr Cardiol. 1986; 6(6):323-5. PMID: 3748839.
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    52. Schaffer MS, Langendorfer SI, Campbell DN. AIDS-related complex following infant cardiac surgery. Pediatr Cardiol. 1986; 6(6):335-6. PMID: 3748842.
      View in: PubMed
    53. Waggoner AD, Nouri S, Schaffer MS, Chen SC. Echocardiographic evaluation of left ventricular function, mass and wall stress in children with isolated ventricular septal defect. Tex Heart Inst J. 1985 Jun; 12(2):163-70. PMID: 15227026; PMCID: PMC341832.
      View in: PubMed, PubMed Central
    54. Schaffer MS, de Souza M, Olley PM, Rowe RD, Gilday DL. Qualitative phase analysis in pediatric nuclear cardiology: isolation of cardiac chambers and identification of asynchronous contraction patterns. Pediatr Cardiol. 1984 Jul-Sep; 5(3):179-84. PMID: 6099554.
      View in: PubMed
    55. Schaffer MS, Nouri S, Waggoner A, deMello D, Pennington DG. Infantile cardiac fibromatosis: correlation of antemortem and necropsy findings. Tex Heart Inst J. 1984 Mar; 11(1):90-5. PMID: 15227102; PMCID: PMC341684.
      View in: PubMed, PubMed Central
    56. Schaffer MS, Freedom RM, Rowe RD. Hypertrophic cardiomyopathy presenting before 2 years of age in 13 patients. Pediatr Cardiol. 1983 Apr-Jun; 4(2):113-9. PMID: 6683838.
      View in: PubMed
    57. Schaffer MS, Zuberbuhler P, Wilson G, Rose V, Duncan WJ, Rowe RD. Catecholamine cardiomyopathy: an unusual presentation of pheochromocytoma in children. J Pediatr. 1981 Aug; 99(2):276-9. PMID: 7252693.
      View in: PubMed
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