Your Guide to Executive Learning

All experts
AboutVideosCoursesBiography

Philip Blazar

Hand surgeon at Brigham and Women's Hospital at Harvard Medical School

Schools

  • Harvard Medical School

Expertise

Links

Biography

Harvard Medical School

Philip Blazar, MD is an attending on the Hand and Upper Extremity Service and an Associate Professor of Orthopedic Surgery at Harvard Medical School. He is board certified with a hand subspecialty. He graduated from Harvard College and Harvard Medical School. He completed his orthopedic residency and hand surgery fellowship at the University of Pennsylvania. Dr. Blazar's clinical and research interests include Dupuytren's contracture, distal radius fractures and their surgical treatment, the surgical treatment of arthritis of the hand and wrist, and upper extremity nerve injury, compression and surgery. He is the fellowship director for the Harvard Hand and Upper Extremity Surgery Fellowship.

Education

Medical School

Harvard Medical School/ BWH, 1991

Residency

University of Pennsylvania School of Medicine, 1992 - 1996

Board Certifications

  • Orthopedic Surgery, 1999
  • Hand Surgery, 2001

Fellowship

University of Pennsylvania School of Medicine, 1996 - 1997

Publications (Pulled from Harvard Catalyst Profiles):

  1. Zhao JZ, Blazar PE, Mora AN, Earp BE. Range of Motion Measurements of the Fingers Via Smartphone Photography. Hand (N Y). 2019 Jan 28; 1558944718820955.

  2. Ting BL, Blazar PE, Collins JE, Mora AN, Salajegheh MK, Amato AA, Earp BE. Median Nerve Ultrasonography Measurements Correlate With Electrodiagnostic Carpal Tunnel Syndrome Severity. J Am Acad Orthop Surg. 2019 Jan 01; 27(1):e17-e23.

  3. Zhang D, Janssen SJ, Blazar P, Earp BE. Predictors of Future Contralateral Carpal Tunnel Release at the Time of Unilateral Surgery. J Hand Surg Am. 2018 Dec 19.

  4. Zhang D, Earp BE, Blazar P. Utility of 'baseline' electrodiagnostic studies for carpal tunnel release. J Hand Surg Eur Vol. 2019 Mar; 44(3):273-277.

  5. Zhang D, Collins J, Earp BE, Blazar P. Relationship of Carpal Tunnel Release and New Onset Trigger Finger. J Hand Surg Am. 2019 Jan; 44(1):28-34.

  6. Earp BE, Silver JA, Mora AN, Blazar PE. Implementing a Postoperative Opioid-Prescribing Protocol Significantly Reduces the Total Morphine Milligram Equivalents Prescribed. J Bone Joint Surg Am. 2018 Oct 03; 100(19):1698-1703.

  7. Roberts HJ, Zhang D, Earp BE, Blazar P, Dyer GSM. Patient self-reported utility of hand surgery online patient education materials. Musculoskeletal Care. 2018 12; 16(4):458-462.

  8. Raizman NM, Blazar PE. AAOS Appropriate Use Criteria: Management of Carpal Tunnel Syndrome. J Am Acad Orthop Surg. 2018 03 15; 26(6):e131-e133.

  9. Balch Samora J, Blazar PE, Lifchez SD, Bal BS, Drolet BC. Mobile Messaging Communication in Health Care: Rules, Regulations, Penalties, and Safety of Provider Use. JBJS Rev. 2018 Mar; 6(3):e4.

  10. Zhang D, Blazar P, Earp BE. Rates of Complications and Secondary Surgeries of Mini-Open Carpal Tunnel Release. Hand (N Y). 2018 Mar 01; 1558944718765226.

  11. Mizoguchi F, Slowikowski K, Wei K, Marshall JL, Rao DA, Chang SK, Nguyen HN, Noss EH, Turner JD, Earp BE, Blazar PE, Wright J, Simmons BP, Donlin LT, Kalliolias GD, Goodman SM, Bykerk VP, Ivashkiv LB, Lederer JA, Hacohen N, Nigrovic PA, Filer A, Buckley CD, Raychaudhuri S, Brenner MB. Functionally distinct disease-associated fibroblast subsets in rheumatoid arthritis. Nat Commun. 2018 02 23; 9(1):789.

  12. Zhang D, Collins JE, Earp BE, Blazar P. Surgical Demographics of Carpal Tunnel Syndrome and Cubital Tunnel Syndrome Over 5 Years at a Single Institution. J Hand Surg Am. 2017 Nov; 42(11):929.e1-929.e8.

  13. Luther GA, Murthy P, Blazar PE. J Hand Surg Am. 2017 06; 42(6):e219-e220.

  14. Earp BE, Stanbury SJ, Mora AN, Blazar PE. Needle-Free Jet Lidocaine Administration for Preinjection Anesthesia in Trigger Finger Injection: A Randomized Controlled Trial. J Hand Surg Am. 2017 Aug; 42(8):618-622.

  15. Zhang D, Earp BE, Blazar P. Rates of Complications and Secondary Surgeries After In Situ Cubital Tunnel Release Compared With Ulnar Nerve Transposition: A Retrospective Review. J Hand Surg Am. 2017 Apr; 42(4):294.e1-294.e5.

  16. Nikac V, Blazar P, Earp B, Weissman BN. Radiographic and surgical considerations in arthritis surgery of the hand. Skeletal Radiol. 2017 May; 46(5):591-604.

  17. Luther GA, Murthy P, Blazar PE. Cost of Immediate Surgery Versus Non-operative Treatment for Trigger Finger in Diabetic Patients. J Hand Surg Am. 2016 Nov; 41(11):1056-1063.

  18. Zhao JZ, Hadley S, Floyd E, Earp BE, Blazar PE. The Impact of Collagenase Clostridium histolyticum Introduction on Dupuytren Treatment Patterns in the United States. J Hand Surg Am. 2016 Oct; 41(10):963-968.

  19. Kamal RN, Ring D, Akelman E, Yao J, Ruch DS, Richard M, Ladd A, Got C, Blazar P, Kakar S. Quality Measures in Upper Limb Surgery. J Bone Joint Surg Am. 2016 Mar 16; 98(6):505-10.

  20. Singh M, Sisk G, Carty M, Sampson C, Blazar P, Dyer G, Earp B, Pribaz J, Pomahac B, Talbot SG. Functional Outcomes after Bilateral Hand Transplantation: A 3.5-Year Comprehensive Follow-Up. Plast Reconstr Surg. 2016 Jan; 137(1):185-9.

  21. Kamal RN, Kakar S, Ruch D, Richard MJ, Akelman E, Got C, Blazar P, Ladd A, Yao J, Ring D. Quality Measurement: A Primer for Hand Surgeons. J Hand Surg Am. 2016 May; 41(5):645-51.

  22. Waters MJ, Belsky MR, Blazar PE, Leibman MI, Ruchelsman DE. Collagenase enzymatic fasciotomy for Dupuytren contracture in patients on chronic immunosuppression. Am J Orthop (Belle Mead NJ). 2015 Nov; 44(11):518-21.

  23. Blazar PE, Floyd WE, Han CH, Rozental TD, Earp BE. Prognostic Indicators for Recurrent Symptoms After a Single Corticosteroid Injection for Carpal Tunnel Syndrome. J Bone Joint Surg Am. 2015 Oct 07; 97(19):1563-70.

  24. Blazar PE, Floyd EW, Earp BE. The quantitative role of flexor sheath incision in correcting Dupuytren proximal interphalangeal joint contractures. J Hand Surg Eur Vol. 2016 Jul; 41(6):609-13.

  25. Samora JB, Lifchez SD, Blazar PE. Physician-Rating Web Sites: Ethical Implications. J Hand Surg Am. 2016 Jan; 41(1):104-10.e1.

  26. Blazar PE, Garon MT. Ray Resections of the Fingers: Indications, Techniques, and Outcomes. J Am Acad Orthop Surg. 2015 Aug; 23(8):476-84.

  27. Soong M, Blazar P, Earp B. Further Analysis of Soong Grade and Flexor Tendon Complications. J Hand Surg Am. 2015 Jul; 40(7):1505.

  28. Peimer CA, Blazar P, Coleman S, Kaplan FT, Smith T, Lindau T. Dupuytren Contracture Recurrence Following Treatment With Collagenase Clostridium histolyticum (CORDLESS [Collagenase Option for Reduction of Dupuytren Long-Term Evaluation of Safety Study]): 5-Year Data. J Hand Surg Am. 2015 Aug; 40(8):1597-605.

  29. Floyd WE, Earp BE, Blazar PE. Acute Median Nerve Problems in the Setting of a Distal Radius Fracture. J Hand Surg Am. 2015 Aug; 40(8):1669-71.

  30. Earp BE, Han CH, Floyd WE, Rozental TD, Blazar PE. De Quervain tendinopathy: survivorship and prognostic indicators of recurrence following a single corticosteroid injection. J Hand Surg Am. 2015 Jun; 40(6):1161-5.

  31. Earp BE, Foster B, Blazar PE. The use of a single volar locking plate for AO C3-type distal radius fractures. Hand (N Y). 2015 Dec; 10(4):649-53.

  32. Tang JB, Blazar PE, Giddins G, Lalonde D, Martínez C, Solomons M. Overview of indications, preferred methods and technical tips for hand fractures from around the world. J Hand Surg Eur Vol. 2015 Jan; 40(1):88-97.

  33. Huffaker S, Earp BE, Blazar PE. The value of post-operative radiographs in clinical management of AO type A distal radius fractures. J Hand Surg Eur Vol. 2015 Oct; 40(8):790-5.

  34. Lifchez SD, Leinberry CF, Rivlin M, Blazar PE. Ethical and educational considerations in coding hand surgeries. J Hand Surg Am. 2014 Jul; 39(7):1370-7.

  35. Rivlin M, Blazar PE, Kachooei AR. Letter regarding "Corticosteroid injection with or without thumb spica cast for de Quervain tenosynovitis". J Hand Surg Am. 2014 May; 39(5):1023.

  36. Fitzgibbons PG, Louie D, Dyer GS, Blazar P, Earp B. Functional outcomes after fixation of "terrible triad" elbow fracture dislocations. Orthopedics. 2014 Apr; 37(4):e373-6.

  37. Kadzielski J, Qureshi AA, Han R, Yoshioka H, Blazar P. Compared with magnetic resonance imaging, radiographs underestimate the magnitude of negative ulnar variance. Am J Orthop (Belle Mead NJ). 2014 Mar; 43(3):128-31.

  38. Jain NB, Higgins LD, Losina E, Collins J, Blazar PE, Katz JN. Epidemiology of musculoskeletal upper extremity ambulatory surgery in the United States. BMC Musculoskelet Disord. 2014 Jan 08; 15:4.

  39. Dy CJ, Wolfe SW, Jupiter JB, Blazar PE, Ruch DS, Hanel DP. Distal radius fractures: strategic alternatives to volar plate fixation. Instr Course Lect. 2014; 63:27-37.

  40. Cox C, Earp BE, Floyd WE, Blazar PE. Arthrodesis of the thumb interphalangeal joint and finger distal interphalangeal joints with a headless compression screw. J Hand Surg Am. 2014 Jan; 39(1):24-8.

  41. Earp BE, Louie D, Blazar P. The impact of Massachusetts health care reform on an orthopedic hand service. J Hand Surg Am. 2013 Nov; 38(11):2212-7.

  42. Roth KM, Blazar PE, Earp BE, Han R, Leung A. Incidence of displacement after nondisplaced distal radial fractures in adults. J Bone Joint Surg Am. 2013 Aug 07; 95(15):1398-402.

  43. Louie DL, Earp BE, Collins JE, Losina E, Katz JN, Black EM, Simmons BP, Blazar PE. Outcomes of open carpal tunnel release at a minimum of ten years. J Bone Joint Surg Am. 2013 Jun 19; 95(12):1067-73.

  44. Hay DC, Louie DL, Earp BE, Kaplan FT, Akelman E, Blazar PE. Surgical findings in the treatment of Dupuytren's disease after initial treatment with clostridial collagenase (Xiaflex). J Hand Surg Eur Vol. 2014 Jun; 39(5):463-5.

  45. Carty MJ, Blazar PE. Complex flexor and extensor tendon injuries. Hand Clin. 2013 May; 29(2):283-93.

  46. Julien TP, Earp BE, Blazar PE. Simplified and strong: abductor pollicus longus suspension arthroplasty with biotenodesis screw fixation in the base of the index metacarpal. Tech Hand Up Extrem Surg. 2013 Mar; 17(1):49-51.

  47. Bauer AS, Blazar PE, Earp BE, Louie DL, Pallin DJ. Characteristics of emergency department transfers for hand surgery consultation. Hand (N Y). 2013 Mar; 8(1):12-6.

  48. Peimer CA, Blazar P, Coleman S, Kaplan FT, Smith T, Tursi JP, Cohen B, Kaufman GJ, Lindau T. Dupuytren contracture recurrence following treatment with collagenase clostridium histolyticum (CORDLESS study): 3-year data. J Hand Surg Am. 2013 Jan; 38(1):12-22.

  49. Louie D, Earp B, Blazar P. Long-term outcomes of carpal tunnel release: a critical review of the literature. Hand (N Y). 2012 Sep; 7(3):242-6.

  50. Louie DL, Earp BE, Blazar PE. Finding orthopedic patients lost to follow-up for long-term outcomes research using the Internet: an update for 2012. Orthopedics. 2012 Jul 01; 35(7):595-9.

  51. Roth KM, Blazar PE, Earp BE, Han R, Leung A. Incidence of extensor pollicis longus tendon rupture after nondisplaced distal radius fractures. J Hand Surg Am. 2012 May; 37(5):942-7.

  52. Black EM, Blazar PE. Dupuytren disease: an evolving understanding of an age-old disease. J Am Acad Orthop Surg. 2011 Dec; 19(12):746-57.

  53. Dyer GS, Blazar PE. Rheumatoid elbow. Hand Clin. 2011 Feb; 27(1):43-8.

  54. Soong M, Earp BE, Bishop G, Leung A, Blazar P. Volar locking plate implant prominence and flexor tendon rupture. J Bone Joint Surg Am. 2011 Feb 16; 93(4):328-35.

  55. Blazar PE, Leven D. Intramedullary nail fixation for metacarpal fractures. Hand Clin. 2010 Aug; 26(3):321-5, v.

  56. Bauer AS, Blazar PE, Earp BE, Simmons BP. Mycobacterial hand infections occurring postoperatively in patients treated with tumor necrosis factor-alpha inhibitors for inflammatory arthritis: report of three cases. J Hand Surg Am. 2010 Jan; 35(1):104-8.

  57. Watanabe A, Souza F, Vezeridis PS, Blazar P, Yoshioka H. Ulnar-sided wrist pain. II. Clinical imaging and treatment. Skeletal Radiol. 2010 Sep; 39(9):837-57.

  58. Vezeridis PS, Yoshioka H, Han R, Blazar P. Ulnar-sided wrist pain. Part I: anatomy and physical examination. Skeletal Radiol. 2010 Aug; 39(8):733-45.

  59. Rozental TD, Blazar PE, Franko OI, Chacko AT, Earp BE, Day CS. Functional outcomes for unstable distal radial fractures treated with open reduction and internal fixation or closed reduction and percutaneous fixation. A prospective randomized trial. J Bone Joint Surg Am. 2009 Aug; 91(8):1837-46.

  60. Fanuele J, Blazar P. Extensor pollicis longus tendon rupture in an adult after intramedullary nailing of a radius fracture: case report. J Hand Surg Am. 2009 Apr; 34(4):627-9.

  61. Rozental TD, Zurakowski D, Blazar PE. Trigger finger: prognostic indicators of recurrence following corticosteroid injection. J Bone Joint Surg Am. 2008 Aug; 90(8):1665-72.

  62. Earp BE, Leung AC, Blazar PE, Simmons BP. Arthroscopic hemitrapeziectomy with tendon interposition for arthritis at the first carpometacarpal joint. Tech Hand Up Extrem Surg. 2008 Mar; 12(1):38-42.

  63. Bittersohl B, Huang T, Schneider E, Blazar P, Winalski C, Lang P, Yoshioka H. High-resolution MRI of the triangular fibrocartilage complex (TFCC) at 3T: comparison of surface coil and volume coil. J Magn Reson Imaging. 2007 Sep; 26(3):701-7.

  64. Lawton JN, Cameron-Donaldson M, Blazar PE, Moore JR. Anatomic considerations regarding the posterior interosseous nerve at the elbow. J Shoulder Elbow Surg. 2007 Jul-Aug; 16(4):502-7.

  65. Lozano-Calderón S, Blazar P, Zurakowski D, Lee SG, Ring D. Diagnosis of scaphoid fracture displacement with radiography and computed tomography. J Bone Joint Surg Am. 2006 Dec; 88(12):2695-703.

  66. Rozental TD, Blazar PE. Functional outcome and complications after volar plating for dorsally displaced, unstable fractures of the distal radius. J Hand Surg Am. 2006 Mar; 31(3):359-65.

  67. Harness N, Blazar PE. Causative microorganisms in surgically treated pediatric hand infections. J Hand Surg Am. 2005 Nov; 30(6):1294-7.

  68. Sassmannshausen G, Mair SD, Blazar PE. Rupture of a bifurcated distal biceps tendon. A case report. J Bone Joint Surg Am. 2004 Dec; 86-A(12):2737-40.

  69. Pomahac B, Hagan R, Blazar P, Upton J. Spontaneous thrombosis of the radial artery at the wrist level. Plast Reconstr Surg. 2004 Sep 15; 114(4):943-6.

  70. Forthman CL, Blazar PE. Nerve tumors of the hand and upper extremity. Hand Clin. 2004 Aug; 20(3):233-42, v.

  71. May MM, Lawton JN, Blazar PE. Ulnar styloid fractures associated with distal radius fractures: incidence and implications for distal radioulnar joint instability. J Hand Surg Am. 2002 Nov; 27(6):965-71.

  72. Blazar PE, Robbe R, Lawton JN. Treatment of dorsal fracture/dislocations of the proximal interphalangeal joint by volar plate arthroplasty. Tech Hand Up Extrem Surg. 2001 Sep; 5(3):148-52.

  73. Blazar PE, Chan PS, Kneeland JB, Leatherwood D, Bozentka DJ, Kowalchick R. The effect of observer experience on magnetic resonance imaging interpretation and localization of triangular fibrocartilage complex lesions. J Hand Surg Am. 2001 Jul; 26(4):742-8.

  74. Blazar PE, Murray P. Treatment of perilunate dislocations by combined dorsal and palmar approaches. Tech Hand Up Extrem Surg. 2001 Mar; 5(1):2-7.

  75. Steenlage E, Blazar P, Wegner D, Pectol R. A simple technique for testing the viability of cross-finger pedicle flaps. J Hand Surg Br. 2001 Feb; 26(1):76-7.

  76. Blazar PE, Steinberg DR. Fractures of the proximal interphalangeal joint. J Am Acad Orthop Surg. 2000 Nov-Dec; 8(6):383-90.

  77. Hester PW, Blazar PE. Complications of hand and wrist surgery in the athlete. Clin Sports Med. 1999 Oct; 18(4):811-29.

  78. Blazar PE, Williams GR, Iannotti JP. Spontaneous detachment of the deltoid muscle origin. J Shoulder Elbow Surg. 1998 Jul-Aug; 7(4):389-92.

  79. Blazar PE, Iannotti JP, Williams GR. Anteroposterior instability of the distal clavicle after distal clavicle resection. Clin Orthop Relat Res. 1998 Mar; (348):114-20.

  80. Adler L, Blazar P, Lee B. Acute attenuation of the extensor pollicis longus tendon. A case report. Clin Orthop Relat Res. 1997 Dec; (345):171-3.

  81. Blazar PE, Dormans JP, Born CT. Train injuries in children. J Orthop Trauma. 1997 Feb-Mar; 11(2):126-9.

  82. Hu ZY, Blazar PE, Haddad JG. Preventing actin interference in immunonephelometric measurements of vitamin D-binding protein (Gc-globulin). Clin Chem. 1995 Apr; 41(4):623-5.

Videos

Courses Taught

Sports Medicine


Harvard Medical School


Online


Read about executive education

Other experts

Eric Spires

Background Professor Spires has undergraduate degrees from Eastern Kentucky University in Accounting and Music Theory. He was employed on the audit staff of Touche Ross & Co. for approximately four years. Professor Spires''s research interests involve decision making, both in accounting and ...

Taylor Boas

Taylor Boas joined the department and Boston University in 2009 after receiving his Ph.D. in political science from the University of California, Berkeley.  During the 2009-2010 academic year, he was on leave from BU as a Visiting Fellow at the Kellogg Institute for International Studies, Univers...

Tolgahan Narin

Certified Solutions Architect at Ericsson I am based in: Istanbul   I am a Solutions Architect at Ericsson R&D IT Services Inc. - a leading global provider of telecommunications equipment and services to mobile and fixed network operators. With over nine years of multinational business a...

Looking for an expert?

Contact us and we'll find the best option for you.

Something went wrong. We're trying to fix this error.