John C. Elfar, M.D.

John C. Elfar, M.D.

Contact Information

University of Rochester Medical Center
School of Medicine and Dentistry
601 Elmwood Ave, Box 665
Rochester, NY 14642

Administrative: (585) 273-3157
Fax: (585) 276-1134
Office: (585) 273-3157

Journal Articles

Showing all 73 journal articles available.

2016 Nov
Maceroli M, Nikkel LE, Mahmood B, Ketz JP, Qiu X, Ciminelli J, Messing S, Elfar JC. "Total Hip Arthroplasty for Femoral Neck Fractures: Improved Outcomes With Higher Hospital Volumes." Journal of orthopaedic trauma. 2016 Nov; 30(11):597-604.
2016 Oct
Sundem L, Chris Tseng KC, Li H, Ketz J, Noble M, Elfar J. "Erythropoietin Enhanced Recovery After Traumatic Nerve Injury: Myelination and Localized Effects." The Journal of hand surgery. 2016 Oct; 41(10):999-1010. Epub 2016 Sep 01.
2016 Aug 8
Zingman A, Li H, Sundem L, DeHority B, Geary M, Fussel T, Mooney R, Zuscik M, Elfar J. "Shoulder arthritis secondary to rotator cuff tear: A reproducible murine model and histopathologic scoring system." Journal of orthopaedic research : official publication of the Orthopaedic Research Society. 2016 Aug 8; Epub 2016 Aug 08.
2016 Jun
Speach DP, Elfar JC. "Reply." Muscle & nerve. 2016 Jun; 53(6):998-9. Epub 2016 Apr 27.
2016 Jun
Ikpeze TC, Elfar JC. "The Geriatric Driver: Factors That Influence When to Stop Driving." Geriatric orthopaedic surgery & rehabilitation. 2016 Jun; 7(2):106-9. Epub 2016 Apr 24.
2016 May
Lander ST, Coppola E, Tyler W, Elfar JC. "A Peculiar Primary Paraganglioma of the Distal Thumb." The Journal of hand surgery. 2016 May; 41(5):e91-4. Epub 2016 Mar 09.
2016 Mar
Mann T, Lee DJ, Dahl J, Elfar JC. "Can Radiocarpal-Spanning Fixation Be Made More Functional by Placing the Wrist in Extension? A Biomechanical Study Under Physiologic Loads." Geriatric orthopaedic surgery & rehabilitation. 2016 Mar; 7(1):23-9.
2016 Feb
Speach DP, Lee DJ, Reed JD, Palmer BA, Abt P, Elfar JC. "Is medial elbow pain correlated with cubital tunnel syndrome? An electrodiagnostic study." Muscle & nerve. 2016 Feb; 53(2):252-4. Epub 2015 Jun 19.
2016 Feb
Mahmoud M, Hegazy M, Khaled SA, Abdelatif NM, Osman W, Elfar JC. "Radiographic Parameters to Predict Union After Volar Percutaneous Fixation of Herbert Type B1 and B2 Scaphoid Fractures." The Journal of hand surgery. 2016 Feb; 41(2):203-7.
2016 Jan
Lee DJ, Zingman A, Elfar JC. "The use of interference screw fixation in the modified Brunelli technique for scapholunate dissociation." The Journal of hand surgery, European volume. 2016 Jan; 41(1):110-1. Epub 2014 May 15.
2016
Mohney S, Lee DJ, Elfar JC. "The Effect of Orthopedic Advertising and Self-Promotion on a Naïve Population." The American journal of orthopedics. 2016 45(4):E227-32.
2016
Chimenti PC, McIntyre AW, Childs SM, Hammert WC, Elfar JC. "Combined Cubital and Carpal Tunnel Release Results in Symptom Resolution Outside of the Median or Ulnar Nerve Distributions." The open orthopaedics journal. 2016 10:111-9. Epub 2016 May 24.
2015 Nov
Calfee R, Chu J, Sorensen A, Martens E, Elfar J. "What Is the Impact of Comorbidities on Self-rated Hand Function in Patients With Symptomatic Trapeziometacarpal Arthritis?" Clinical orthopaedics and related research. 2015 Nov; 473(11):3477-83.
2015 Nov
Canham CD, Schreck MJ, Maqsoodi N, Messing S, Olles M, Elfar JC. "Distal Radioulnar Joint Reaction Force Following Ulnar Shortening: Diaphyseal Osteotomy Versus Wafer Resection." The Journal of hand surgery. 2015 Nov; 40(11):2206-12. Epub 2015 Oct 06.
2015 Nov
Brodell DW, Elfar JC, Mercurio MG. "Pyoderma gangrenosum and inflammatory bowel disease: A cross-sectional inpatient socioeconomic study." Journal of the American Academy of Dermatology. 2015 Nov; 73(5):877-80.
2015 Oct
Sims SE, Engel L, Hammert WC, Elfar JC. "Hand Sensibility, Strength, and Laxity of High-Level Musicians Compared to Nonmusicians." The Journal of hand surgery. 2015 Oct; 40(10):1996-2002.e5. Epub 2015 Aug 05.
2015 Sep
Geary MB, Elfar JC. "Rotator Cuff Tears in the Elderly Patients." Geriatric orthopaedic surgery & rehabilitation. 2015 Sep; 6(3):220-4.
2015 Sep
Mirghasemi AR, Lee DJ, Rahimi N, Rashidinia S, Elfar JC. "Distal Radioulnar Joint Instability." Geriatric orthopaedic surgery & rehabilitation. 2015 Sep; 6(3):225-9.
2015 Aug
Lee DJ, Elfar JC. "Carpal Ligament Injuries, Pathomechanics, and Classification." Hand clinics. 2015 Aug; 31(3):389-98.
2015 Jul
Yaseen Z, English C, Stanbury SJ, Chen T, Messing S, Awad H, Elfar JC. "The Effect of the Epitendinous Suture on Gliding in a Cadaveric Model of Zone II Flexor Tendon Repair." The Journal of hand surgery. 2015 Jul; 40(7):1363-8. Epub 2015 Apr 25.
2015 Jun
Canham CD, Schreck MJ, Maqsoodi N, Doolittle M, Olles M, Elfar JC. "A nondestructive, reproducible method of measuring joint reaction force at the distal radioulnar joint." The Journal of hand surgery. 2015 Jun; 40(6):1138-44. Epub 2015 Apr 16.
2015 Jun
Chimenti PC, McIntyre AW, Childs SM, Hammert WC, Elfar JC. "Prospective cohort study of symptom resolution outside of the ulnar nerve distribution following cubital tunnel release." Hand : official journal of the American Association for Hand Surgery. 2015 Jun; 10(2):177-83.
2015 Apr
Geary MB, English C, Yaseen Z, Awad H, Elfar JC. "Flexor digitorum superficialis repair outside the A2 pulley after zone II laceration: gliding and bowstringing." The Journal of hand surgery. 2015 Apr; 40(4):653-9. Epub 2015 Feb 24.
2015 Mar 1
Brodell DW, Jain A, Elfar J, Mesfin A. "National trends in the management of central cord syndrome: an analysis of 16,134 patients." The spine journal : official journal of the North American Spine Society. 2015 Mar 1; 15(3):435-42. Epub 2014 Sep 28.
2015 Mar
Lee DJ, Elfar JC. "Utility of Arthroscopic Surgery for Osteoarthritis of the Knee." Geriatric orthopaedic surgery & rehabilitation. 2015 Mar; 6(1):47-9.
2015 Feb
Lee DJ, Elfar JC. "Dorsal distraction plating for highly comminuted distal radius fractures." The Journal of hand surgery. 2015 Feb; 40(2):355-7. Epub 2014 Nov 15.
2015 Feb
Elfar JC. "Commentary on "biomechanical characteristics of hemi-hamate reconstruction versus volar plate arthroplasty in the treatment of dorsal fracture dislocations of the proximal interphalangeal joint"." The Journal of hand surgery. 2015 Feb; 40(2):333.
2015
Nikkel LE, Kates SL, Schreck M, Maceroli M, Mahmood B, Elfar JC. "Length of hospital stay after hip fracture and risk of early mortality after discharge in New York state: retrospective cohort study." BMJ : British medical journal. 2015 351:h6246. Epub 2015 Dec 10.
2015
Michael Maceroli MD, Lucas Nikkel MD, Bilal Mahmood MD, John C. Elfar MD. "Total hip arthroplasty for femoral neck fractures: Improved outcomes with higher hospital volumes". Journal of Orthopaedic Trauma (accepted pending revision). 2015; .
2015
Xavier Fowler, Rebecca Dehoity, Michael Geary and John C. Elfar MD. "Analysis of Myelin and Neurofilament Content in a Sciatic Nerve Crush Injury Model". Journal of Nature and Science. 2015; 1(8): e166.
2015
Dahl J, Lee DJ, Elfar JC. "Anatomic relationships in distal radius bridge plating: a cadaveric study." Hand : official journal of the American Association for Hand Surgery. 2015 10(4):657-62. Epub 2015 Jul 07.
2015
Maceroli MA, Nikkel LE, Mahmood B, Elfar JC. "Operative Mortality After Arthroplasty for Femoral Neck Fracture and Hospital Volume." Geriatric orthopaedic surgery & rehabilitation. 2015 6(4):239-45.
2014 Oct
Caldwell LS, Cooper AR, Elfar JC. "A Novel Arthroscopic Inside-Out Repair Technique for PASTA Lesions." Arthroscopy techniques. 2014 Oct; 3(5):e565-70. Epub 2014 Sep 08.
2014 Sep
Mahmoud M, El Shafie S, Menorca RM, Elfar JC. "Management of neglected Bennett fracture in manual laborers by tension fixation." The Journal of hand surgery. 2014 Sep; 39(9):1728-33. Epub 2014 Aug 05.
2014 Sep
Lee DJ, Elfar JC. "Timing of hip fracture surgery in the elderly." Geriatric orthopaedic surgery & rehabilitation. 2014 Sep; 5(3):138-40.
2014 Sep
Lee DJ, Elfar JC. "External fixation versus open reduction with locked volar plating for geriatric distal radius fractures." Geriatric orthopaedic surgery & rehabilitation. 2014 Sep; 5(3):141-3.
2014 Jun
Elfar JC. "Introduction to mini-review." Geriatric orthopaedic surgery & rehabilitation. 2014 Jun; 5(2):36.
2014 Mar
Stanbury SJ, English C, Yaseen Z, Reed JD, Chen T, Awad H, Elfar JC. "The Effect of Pulley Reconstruction on Maximum Flexion, Bowstringing, and Gliding Coefficient in the Setting of Zone II Repair of FDS and FDP: a Cadaveric Investigation." Hand : official journal of the American Association for Hand Surgery. 2014 Mar; 9(1):99-104.
2014 Feb
Elfar J, Menorca RM, Reed JD, Stanbury S. "Composite bone models in orthopaedic surgery research and education." The Journal of the American Academy of Orthopaedic Surgeons. 2014 Feb; 22(2):111-20.
2014
Sims SE, Miller K, Elfar JC, Hammert WC. "Non-surgical treatment of lateral epicondylitis: a systematic review of randomized controlled trials." Hand : official journal of the American Association for Hand Surgery. 2014 9(4):419-46.
2013 Nov
Mahmoud M, El Shafie S, Coppola EE, Elfar JC. "Perforator-based radial forearm fascial flap for management of recurrent carpal tunnel syndrome." The Journal of hand surgery. 2013 Nov; 38(11):2151-8.
2013 Nov
Mahmoud M, Abdel-Ghani H, Elfar JC. "New flap for widening of the web space and correction of palmar contracture in complex clasped thumb." The Journal of hand surgery. 2013 Nov; 38(11):2251-6.
2013 Oct
Cooper AR, Elfar JC. "Extensor tendon lacerations from arthroscopic excision of dorsal wrist ganglion: case report." The Journal of hand surgery. 2013 Oct; 38(10):1957-9. Epub 2013 Aug 30.
2013 Aug
Menorca RM, Fussell TS, Elfar JC. "Nerve physiology: mechanisms of injury and recovery." Hand clinics. 2013 Aug; 29(3):317-30.
2013 Jun
Chu JY, Chen T, Awad HA, Elfar J, Hammert WC. "Comparison of an all-inside suture technique with traditional pull-out suture and suture anchor repair techniques for flexor digitorum profundus attachment to bone." The Journal of hand surgery. 2013 Jun; 38(6):1084-90. Epub 2013 Apr 09.
2013 Apr
Molinari WJ, Elfar JC. "The double crush syndrome." The Journal of hand surgery. 2013 Apr; 38(4):799-801; quiz 801. Epub 2013 Mar 05.
2013 Mar
Reed JD, Stanbury SJ, Menorca RM, Elfar JC. "The emerging utility of composite bone models in biomechanical studies of the hand and upper extremity." The Journal of hand surgery. 2013 Mar; 38(3):583-7. Epub 2013 Feb 04.
2013 Feb
Elfar JC, Burton RI. "Ligament reconstruction and tendon interposition for thumb basal arthritis." Hand clinics. 2013 Feb; 29(1):15-25.
2013 Feb
Buckley T, Mitten D, Elfar J. "The effect of informed consent on results of a standard upper extremity intake questionnaire." The Journal of hand surgery. 2013 Feb; 38(2):366-71. Epub 2013 Jan 03.
2013 Feb
Badalamente M, Coffelt L, Elfar J, Gaston G, Hammert W, Huang J, Lattanza L, Macdermid J, Merrell G, Netscher D, Panthaki Z, Rafijah G, Trczinski D, Graham B, . "Measurement scales in clinical research of the upper extremity, part 1: general principles, measures of general health, pain, and patient satisfaction." The Journal of hand surgery. 2013 Feb; 38(2):401-6; quiz 406.
2013 Feb
Badalamente M, Coffelt L, Elfar J, Gaston G, Hammert W, Huang J, Lattanza L, Macdermid J, Merrell G, Netscher D, Panthaki Z, Rafijah G, Trczinski D, Graham B, . "Measurement scales in clinical research of the upper extremity, part 2: outcome measures in studies of the hand/wrist and shoulder/elbow." The Journal of hand surgery. 2013 Feb; 38(2):407-12.
2013 Feb
Elfar J, Mann T. "Fracture-dislocations of the proximal interphalangeal joint." The Journal of the American Academy of Orthopaedic Surgeons. 2013 Feb; 21(2):88-98.
2012 Sep
Elfar JC, Foad MB, Foad SL, Stern PJ. "A cost analysis of staged and simultaneous bilateral carpal tunnel release." Hand : official journal of the American Association for Hand Surgery. 2012 Sep; 7(3):327-32.
2012 May
Trocchia AM, Elfar JC, Hammert WC. "Biomechanical measurements of forearm pronosupination with common methods of immobilization." The Journal of hand surgery. 2012 May; 37(5):989-94. Epub 2012 Apr 05.
2012
Elfar J, Ahn J, Lefaivre K, Nho S, Rose P. "The 2011 North American Traveling Fellowship." The Journal of bone and joint surgery. American volume. 2012 94(23):e1751-5.
2012
Stanbury SJ, Salo A, Elfar JC. "Biomechanical analysis of a volar variable-angle locking plate: the effect of capturing a distal radial styloid fragment." The Journal of hand surgery. 2012 37(12):2488-94.
2012
Hammert WC, Gonzalez R, Elfar JC. "Evaluation of patients' perception of safety to drive after outpatient, minimally invasive procedures of the hand." Hand : official journal of the American Association for Hand Surgery. 2012 7(4):447-9.
2011 Sep
Stanbury SJ, Elfar JC. "Perilunate dislocation and perilunate fracture-dislocation." The Journal of the American Academy of Orthopaedic Surgeons. 2011 Sep; 19(9):554-62.
2011 Feb
Elfar JC, Stern PJ. "Proximal row carpectomy for scapholunate dissociation." The Journal of hand surgery, European volume. 2011 Feb; 36(2):111-5. Epub 2010 Aug 31.
2011 Jan
Stanbury SJ, Elfar J. "The use of surgical loupes in microsurgery." The Journal of hand surgery. 2011 Jan; 36(1):154-6. Epub 2010 Nov 12.
2011
Elfar, J.C. "Effects of Extensor Synovectomy and Excision of the Distal Ulna in Rheumatoid Arthritis on Long Term Function." Yearbook of Hand and Upper Limb Surgery. 2011; : 119-120.
2011
Elfar, J.C. "Joint Leveling for Advanced Kienbock's Disease". Yearbook of Hand and Upper Limb Surgery. 2011; : 84-85.
2011
Elfar, J.C. "Surgical Compared with Conservative Treatment for Acute Nondisplaced or Minimally Displaced Scaphoid Fractures: A Systematic Review and Meta-Analysis of Randomized Controlled Trials". Yearbook of Hand and Upper Limb Surgery. 2011; : 73-74.
2011
Elfar, J.C. "Tissue Engineering of Flexor Tendons: The Effect of a Tissue Bioreactor on Adipoderived Stem Cell-Seeded and Fibroblast-Seeded Tendon Constructs". Yearbook of Hand and Upper Limb Surgery. 2011; .
2010 Nov
Elfar JC, Yaseen Z, Stern PJ, Kiefhaber TR. "Individual finger sensibility in carpal tunnel syndrome." The Journal of hand surgery. 2010 Nov; 35(11):1807-12.
2010 Oct
Madsen W, Elfar J. "Spider bites." The Journal of hand surgery. 2010 Oct; 35(10):1698-9.
2010 Oct
Madsen W, Elfar J. "Snake bites." The Journal of hand surgery. 2010 Oct; 35(10):1700-2; quiz 1702.
2010
Williams, Z, Elfar, JC, Eskandar, E, Assad, J. "Parietal neuronal responses to a bistable motion illusion". Journal of Vision. 2010; 1(3): 404-404.
2009 Sep
Elfar JC, Calfee RP, Stern PJ. "Topographical assessment of symptom resolution following open carpal tunnel release." The Journal of hand surgery. 2009 Sep; 34(7):1188-92. Epub 2009 Jul 30.
2008 Aug
Elfar JC, Jacobson JA, Puzas JE, Rosier RN, Zuscik MJ. "Erythropoietin accelerates functional recovery after peripheral nerve injury." The Journal of bone and joint surgery. American volume. 2008 Aug; 90(8):1644-53.
2007
Elfar J; Tomaino M. "Cubital Tunnel Syndrome". Orthopaedic Knowledge Online. 2007; .
2005 Nov
Tomaino MM, Elfar J. "Ulnar impaction syndrome." Hand clinics. 2005 Nov; 21(4):567-75.
2003 Jun
Williams ZM, Elfar JC, Eskandar EN, Toth LJ, Assad JA. "Parietal activity and the perceived direction of ambiguous apparent motion." Nature neuroscience. 2003 Jun; 6(6):616-23.

Books

2014
Elfar JC; Richardson, WL. "Distal Radius Fractures". Encyclopedia of Trauma Care. : Springer, 2014.
2010
Boyer, Bozentka, Calfee, Elfar JC, Hammert. "Nerve". ASSH Manual of Hand Surgery. : ASSH, 2010.
2009
Peter Stern, John Elfar. "Hand and Wrist Arthritis". Principles of Hand Surgery and Therapy. Ghazy Rayan, Jefferey Budoff, Mark Baratz, Thomas Trumble. Philadelphia: Saunders, Elsevier, 2009. 352-384