CU Anschutz Alumni Hero, University of Colorado
(2022)
Excellence in Medical Student Education, Department of Orthopedics, University of Colorado
(2021)
OTA Research Grant, Orthopedic Trauma Association
(2020)
Aurthur and Huguette Sirianni Award in Italian, MSU College of Arts and Letters
(2007)
Dean's List, Lyman Briggs College and College of Natural Science
(2005)
Research Interests
I am interested in orthopedic trauma research topics such as fracture infection and microbiology, intrawound vancomycin/tobramycin powders in open extremity fracture wounds, and fracture stabilization techniques.
Teaching
Assistant Professor
(2019)
School of Medicine,
Orthopedics
Publications
Belton M, Kelley N, Baldini T, Steward J, Alfonso N. Diagnosis of traumatic shoulder arthrotomies using saline load test with intra-articular pressure monitoring. Eur J Orthop Surg Traumatol. 2022 Oct 21. [Epub ahead of print] PubMed PMID: 36269430
Flanagan CD, Joseph NM, Copp J, Romeo N, Alfonso N, Hirschfeld A. Weight-bearing status may influence rates of radiographic healing following reamed, intramedullary fixation of diaphyseal femur fractures. OTA Int. 2021 Dec;4(4):e154. PubMed PMID: 34765904
Flanagan CD, Joseph NM, Copp J, Romeo N, Alfonso N, Hirschfeld A. Weight-bearing status may influence rates of radiographic healing following reamed, intramedullary fixation of diaphyseal femur fractures. OTA Int. 2021 Dec;4(4):e154. PubMed PMID: 34765904
Alfonso NA, Ryan W, Baldini T, Reiter M, Joyce C, Mauffrey C. Fixation of Transverse Acetabular Fractures With Precontoured Plates Alone Causes Fracture Malreduction: A Biomechanical Assessment. J Orthop Trauma. 2020 Feb;34(2):89-94. PubMed PMID: 31567698
Joseph NM, Alfonso NA, Hirschfeld AG. Compartment syndrome following use of tissue plasminogen activator for frostbite in the setting of concomitant diaphyseal tibia fracture. OTA International (2020) e079
Alfonso N, Mauffrey C. Osteoporotic distal femoral fractures: When to fix and how. Surgical and Medical Treatment of Osteoporosis: Principles and Practice. CRC Press. 2020.
Flanagan C, Alfonso N, Hirschfeld A. Non-weight bearing following intramedullary fixation of femoral diaphyseal fractures slows radiographic healing by 58% and may contribute to non-union risk. Poster Presentation; Orthopaedic Trauma Association annual meeting 2020.
Joseph NM, Alfonso N, Hirschfeld AG. Compartment syndrome following use of tissue plasminogen activator for frostbite in the setting of concomitant diaphyseal tibia fracture. OTA Int. 2020 Jun;3(2):e079. PubMed PMID: 33937702
Alfonso NA, Ryan W, Baldini T, Reiter M, Joyce C, Mauffrey C. Fixation of Transverse Acetabular Fractures with Pre-contoured Plates Alone Causes Fracture Malreduction: A Biomechanical Assessment. J Orthop Trauma. 2019 Sep 21. [Epub ahead of print] PubMed PMID: 31567698
Ryan W, Alfonso NA, Baldini T, Kumparatana P, Reiter M, Joyce C, Wei C, Zhang Y, Mauffrey C. Precontoured Quadrilateral Surface Acetabular Plate Fixation Demonstrates Increased Stability When Compared With Pelvic Reconstruction Plates: A Biomechanical Study. J Orthop Trauma. 2019 Sep;33(9):e325-e330. PubMed PMID: 31436712
Alfonso NA, Baldini T, Stahel PF. A New Fastener With Improved Bone-To-Implant Interface Shows Superior Torque Stripping Resistance Compared With the Standard Buttress Screw. J Orthop Trauma. 2019 Apr;33(4):e137-e142. PubMed PMID: 30893221
Ryan W, Alfonso NA, Baldini T, Kumparatana P, Reiter M, Joyce C, Wei C, Zhang Y, Mauffrey C. Precontoured Quadrilateral Surface Acetabular Plate Fixation Demonstrates Increased Stability When Compared With Pelvic Reconstruction Plates: A Biomechanical Study. J Orthop Trauma. 2019 Sep;33(9):e325-e330. PubMed PMID: 31436712
Alfonso NA, Baldini T, Stahel PF. A New Fastener With Improved Bone-To-Implant Interface Shows Superior Torque Stripping Resistance Compared With the Standard Buttress Screw. J Orthop Trauma. 2019 Apr;33(4):e137-e142. PubMed PMID: 30893221
Stahel PF, Alfonso NA, Henderson C, Baldini T. Introducing the "Bone-Screw-Fastener" for improved screw fixation in orthopedic surgery: a revolutionary paradigm shift?. Patient Saf Surg. 2017;11:6. PubMed PMID: 28321265
Mauffrey C, Alfonso N, Hake M, Heare A. Surgical technique: modified Stoppa approach is effective for fixing acetabular fractures from the front. Orthopedics Today. 2017 April.
Care Philosophy
Our group is committed to providing the highest quality professional and ethical care to all patients through integration of comprehensive education and exceptional musculoskeletal research.
Personal Interests
I enjoy hiking with my dogs (Moose and Koda), skiing, snowboarding, cooking Italian food, traveling, and rooting for the sports teams from Michigan State.
Public Speaking Yes
General Information
Medical Schools:
MD, Michigan State University College of Human Medicine
(2013)
Undergraduate Schools:
BS, Michigan State University (MI)
(2009)
Internships:
University of Colorado
(2014)
Residency Programs:
University of Colorado, Chief Resident, Orthopedics (2018)
Fellowships:
Case Western Reserve University-Cleveland Clinic Foundation-MetroHealth Medical Center Program, Orthopedic Trauma
(2019)