Skip to main content

Andrew Egon Hanselman

Assistant Professor of Orthopaedic Surgery
Orthopaedic Surgery

Selected Publications


Summary of Data Comparing Nonoperative, Open, and Minimally Invasive Treatment of Achilles Tendon Tears.

Chapter · January 21, 2024 Pathology of the Achilles tendon is one of the most commonly written about topics in foot and ankle surgery, yet there is no clear consensus on the management of these injuries; in addition, pathologic aspects of the Achilles tendon are not ... ... Cite

Time and State Legislation Have Decreased Opioid Prescribing in Elective Foot and Ankle Surgery in the United States.

Journal Article Foot Ankle Spec · October 2023 BACKGROUND: Legislation in the United States has been enacted to reduce opioid overuse and abuse in the setting of the opioid epidemic, and a notable target has been opioid overprescription. However, the impact of this legislation on elective foot and ankl ... Full text Link to item Cite

Ballooning Periprosthetic Osteolysis Related to Crystalline Arthropathies Following Total Ankle Arthroplasty: A Case Series

Journal Article Foot & Ankle Orthopaedics · October 2023 Category: Ankle Arthritis; Basic Sciences/Biologics Introduction/Purpose: From 2009-2019, there has been a 120% increase in the incidence of total ank ... Full text Cite

The Impact of Time and State Opioid Legislation on Opioid Prescription Filling in Total Ankle Arthroplasty.

Journal Article J Foot Ankle Surg · 2023 Total ankle arthroplasty (TAA) is an increasingly utilized treatment for ankle arthritis, and opioids are commonly used as part of perioperative pain control. However, many states have enacted opioid-limiting legislation to reduce perioperative opioid pres ... Full text Link to item Cite

Hallux Rigidus: Update on Conservative Management

Journal Article Foot and Ankle Clinics · January 1, 2023 Full text Cite

Histologic grading correlates with inflammatory biomarkers in tibialis posterior tendon dysfunction.

Journal Article Foot Ankle Surg · December 2022 BACKGROUND: It has been theorized that tibialis posterior tendon dysfunction (TPTD) is a degenerative process unrelated to inflammation. The purpose of this study was to determine if inflammatory cytokines, matrix metalloproteases (MMPs), and glutamate wer ... Full text Link to item Cite

Time and State Legislation Have Decreased Opioid Prescribing in Elective Foot and Ankle Surgery in the United States

Journal Article Foot & Ankle Orthopaedics · January 2022 Category: Other; Ankle; Ankle Arthritis; Arthroscopy; Bunion; Hindfoot; Lesser Toes; Midfoot/Forefoot; Sports Introduction/Purpose: The opioid epidemi ... Full text Cite

Avascular Necrosis of the Talus After Subchondroplasty.

Journal Article Foot Ankle Int · September 2021 BACKGROUND: Subchondroplasty (SCP) is a relatively new procedure, developed in 2007 for the treatment of bone marrow lesions (BMLs), that has shown promising results in the knee through several different case series. The foot and ankle literature, however, ... Full text Link to item Cite

From Patient to Procedure: The Process of Creating a Custom 3D-Printed Medical Device for Foot and Ankle Pathology.

Journal Article Foot Ankle Spec · June 2021 Three-dimensional (3D) printing technology has advanced greatly over the past decade and is being used extensively throughout the field of medicine. Several orthopaedic surgery specialties have demonstrated that 3D printing technology can improve patient c ... Full text Link to item Cite

Clinical applications of custom 3D printed implants in complex lower extremity reconstruction.

Journal Article 3D Print Med · October 2, 2020 BACKGROUND: Three dimensional printing has greatly advanced over the past decade and has made an impact in several industries. Within the field of orthopaedic surgery, this technology has vastly improved education and advanced patient care by providing inn ... Full text Link to item Cite

Attritional rupture of peroneus brevis and longus tendons: allograft reconstruction

Chapter · August 10, 2020 This unique book is a practical, “go to” source of comprehensive information on the care of peroneal tendon injuries, accurately illustrating this hot topic with many anatomical drawings of how the anatomy influences the diseases we see ... ... Cite

Peroneal tendon tears: When to use an allograft

Journal Article Techniques in Foot and Ankle Surgery · June 1, 2019 Allograft reconstruction of chronic peroneal tendon tears is a safe and effective option to help restore patient function and limit pain. Both the author's experience, along with cadaveric and clinical studies, have shown that this technique can restore fu ... Full text Cite

Hallux Valgus

Journal Article Foot and Ankle Orthopaedics · January 1, 2019 Hallux valgus is a common condition that results from a complex positional deformity of the first ray. The bunion or medial prominence that results from the lateral deviation and pronation of the hallux is only one component of the 3-dimensional deformity. ... Full text Cite

Osseointegrated Transcutaneous Device for Amputees: A Pilot Large Animal Model.

Journal Article Adv Orthop · 2018 Traditional above-the-knee amputation prosthetics utilize a stump-socket interface that is well-known for skin/socket problems, sitting difficulty, disuse osteopenia, and increased work of ambulation. As a result, we evaluated a novel osseointegrated trans ... Full text Link to item Cite

Posterior Tibialis Tendon Rupture in a Closed Bimalleolar-Equivalent Ankle Fracture: Case Report.

Journal Article Foot Ankle Spec · December 2017 UNLABELLED: Ankle fractures with an associated posterior tibialis tendon (PTT) rupture are rare injuries and have only been described in a number of case reports. These prior reports include patients that had an open fracture and/or an associated medial ma ... Full text Link to item Cite

Acute Rupture Open Repair Techniques.

Journal Article Clin Podiatr Med Surg · April 2017 Achilles tendon injuries can be serious injuries requiring either operative or nonoperative management. For appropriate surgical candidates, operative intervention may provide lower rerupture rates and adequate end-to-end tendon healing. Our preference is ... Full text Link to item Cite

Smartphone assessment of knee flexion compared to radiographic standards.

Journal Article Knee · March 2017 BACKGROUND: Measuring knee range of motion (ROM) is an important assessment for the outcomes of total knee arthroplasty. Recent technological advances have led to the development and use of accelerometer-based smartphone applications to measure knee ROM. T ... Full text Link to item Cite

Operative Cost Comparison: Plating Versus Intramedullary Fixation for Clavicle Fractures.

Journal Article Orthopedics · September 1, 2016 Although clavicle fractures often heal well with nonoperative management, current literature has shown improved outcomes with operative intervention for specific fracture patterns in specific patient types. The 2 most common methods of midshaft clavicle fr ... Full text Link to item Cite

Contamination Relative to the Activation Timing of Filtered-Exhaust Helmets.

Journal Article J Arthroplasty · April 2016 BACKGROUND: Filtered-exhaust helmet systems are commonplace during total joint arthroplasty, but their ability to limit intraoperative contamination has been questioned. We hypothesized that activation of the airflow system after complete gowning would lea ... Full text Link to item Cite

Summary of Data Comparing Nonoperative, Open, and Minimally Invasive Treatment of Achilles Tendon Tears.

Chapter · January 21, 2024 Pathology of the Achilles tendon is one of the most commonly written about topics in foot and ankle surgery, yet there is no clear consensus on the management of these injuries; in addition, pathologic aspects of the Achilles tendon are not ... ... Cite

Time and State Legislation Have Decreased Opioid Prescribing in Elective Foot and Ankle Surgery in the United States.

Journal Article Foot Ankle Spec · October 2023 BACKGROUND: Legislation in the United States has been enacted to reduce opioid overuse and abuse in the setting of the opioid epidemic, and a notable target has been opioid overprescription. However, the impact of this legislation on elective foot and ankl ... Full text Link to item Cite

Ballooning Periprosthetic Osteolysis Related to Crystalline Arthropathies Following Total Ankle Arthroplasty: A Case Series

Journal Article Foot & Ankle Orthopaedics · October 2023 Category: Ankle Arthritis; Basic Sciences/Biologics Introduction/Purpose: From 2009-2019, there has been a 120% increase in the incidence of total ank ... Full text Cite

The Impact of Time and State Opioid Legislation on Opioid Prescription Filling in Total Ankle Arthroplasty.

Journal Article J Foot Ankle Surg · 2023 Total ankle arthroplasty (TAA) is an increasingly utilized treatment for ankle arthritis, and opioids are commonly used as part of perioperative pain control. However, many states have enacted opioid-limiting legislation to reduce perioperative opioid pres ... Full text Link to item Cite

Hallux Rigidus: Update on Conservative Management

Journal Article Foot and Ankle Clinics · January 1, 2023 Full text Cite

Histologic grading correlates with inflammatory biomarkers in tibialis posterior tendon dysfunction.

Journal Article Foot Ankle Surg · December 2022 BACKGROUND: It has been theorized that tibialis posterior tendon dysfunction (TPTD) is a degenerative process unrelated to inflammation. The purpose of this study was to determine if inflammatory cytokines, matrix metalloproteases (MMPs), and glutamate wer ... Full text Link to item Cite

Time and State Legislation Have Decreased Opioid Prescribing in Elective Foot and Ankle Surgery in the United States

Journal Article Foot & Ankle Orthopaedics · January 2022 Category: Other; Ankle; Ankle Arthritis; Arthroscopy; Bunion; Hindfoot; Lesser Toes; Midfoot/Forefoot; Sports Introduction/Purpose: The opioid epidemi ... Full text Cite

Avascular Necrosis of the Talus After Subchondroplasty.

Journal Article Foot Ankle Int · September 2021 BACKGROUND: Subchondroplasty (SCP) is a relatively new procedure, developed in 2007 for the treatment of bone marrow lesions (BMLs), that has shown promising results in the knee through several different case series. The foot and ankle literature, however, ... Full text Link to item Cite

From Patient to Procedure: The Process of Creating a Custom 3D-Printed Medical Device for Foot and Ankle Pathology.

Journal Article Foot Ankle Spec · June 2021 Three-dimensional (3D) printing technology has advanced greatly over the past decade and is being used extensively throughout the field of medicine. Several orthopaedic surgery specialties have demonstrated that 3D printing technology can improve patient c ... Full text Link to item Cite

Clinical applications of custom 3D printed implants in complex lower extremity reconstruction.

Journal Article 3D Print Med · October 2, 2020 BACKGROUND: Three dimensional printing has greatly advanced over the past decade and has made an impact in several industries. Within the field of orthopaedic surgery, this technology has vastly improved education and advanced patient care by providing inn ... Full text Link to item Cite

Attritional rupture of peroneus brevis and longus tendons: allograft reconstruction

Chapter · August 10, 2020 This unique book is a practical, “go to” source of comprehensive information on the care of peroneal tendon injuries, accurately illustrating this hot topic with many anatomical drawings of how the anatomy influences the diseases we see ... ... Cite

Peroneal tendon tears: When to use an allograft

Journal Article Techniques in Foot and Ankle Surgery · June 1, 2019 Allograft reconstruction of chronic peroneal tendon tears is a safe and effective option to help restore patient function and limit pain. Both the author's experience, along with cadaveric and clinical studies, have shown that this technique can restore fu ... Full text Cite

Hallux Valgus

Journal Article Foot and Ankle Orthopaedics · January 1, 2019 Hallux valgus is a common condition that results from a complex positional deformity of the first ray. The bunion or medial prominence that results from the lateral deviation and pronation of the hallux is only one component of the 3-dimensional deformity. ... Full text Cite

Osseointegrated Transcutaneous Device for Amputees: A Pilot Large Animal Model.

Journal Article Adv Orthop · 2018 Traditional above-the-knee amputation prosthetics utilize a stump-socket interface that is well-known for skin/socket problems, sitting difficulty, disuse osteopenia, and increased work of ambulation. As a result, we evaluated a novel osseointegrated trans ... Full text Link to item Cite

Posterior Tibialis Tendon Rupture in a Closed Bimalleolar-Equivalent Ankle Fracture: Case Report.

Journal Article Foot Ankle Spec · December 2017 UNLABELLED: Ankle fractures with an associated posterior tibialis tendon (PTT) rupture are rare injuries and have only been described in a number of case reports. These prior reports include patients that had an open fracture and/or an associated medial ma ... Full text Link to item Cite

Acute Rupture Open Repair Techniques.

Journal Article Clin Podiatr Med Surg · April 2017 Achilles tendon injuries can be serious injuries requiring either operative or nonoperative management. For appropriate surgical candidates, operative intervention may provide lower rerupture rates and adequate end-to-end tendon healing. Our preference is ... Full text Link to item Cite

Smartphone assessment of knee flexion compared to radiographic standards.

Journal Article Knee · March 2017 BACKGROUND: Measuring knee range of motion (ROM) is an important assessment for the outcomes of total knee arthroplasty. Recent technological advances have led to the development and use of accelerometer-based smartphone applications to measure knee ROM. T ... Full text Link to item Cite

Operative Cost Comparison: Plating Versus Intramedullary Fixation for Clavicle Fractures.

Journal Article Orthopedics · September 1, 2016 Although clavicle fractures often heal well with nonoperative management, current literature has shown improved outcomes with operative intervention for specific fracture patterns in specific patient types. The 2 most common methods of midshaft clavicle fr ... Full text Link to item Cite

Contamination Relative to the Activation Timing of Filtered-Exhaust Helmets.

Journal Article J Arthroplasty · April 2016 BACKGROUND: Filtered-exhaust helmet systems are commonplace during total joint arthroplasty, but their ability to limit intraoperative contamination has been questioned. We hypothesized that activation of the airflow system after complete gowning would lea ... Full text Link to item Cite

Economic impact of syndesmosis hardware removal.

Journal Article Foot (Edinb) · September 2015 Ankle syndesmosis injuries are commonly seen with 5-10% of sprains and 10% of ankle fractures involving injury to the ankle syndesmosis. Anatomic reduction has been shown to be the most important predictor of clinical outcomes. Optimal surgical management ... Full text Link to item Cite

Topical Review: Use of Fetal Tissue in Foot and Ankle Surgery.

Journal Article Foot Ankle Spec · August 2015 UNLABELLED: Fetal tissues are well known for their therapeutic potential. They contain numerous growth factors, cytokines, and matrix components that promote regeneration of tissues while downregulating inflammation and scar formation. As a result, use of ... Full text Link to item Cite

Total ankle arthroplasty with severe preoperative varus deformity.

Journal Article Orthopedics · April 2015 Advancements in total ankle arthroplasty (TAA) over the past several decades have led to improved patient outcomes and implant survivorship. Despite these innovations, many implant manufacturers still consider a preoperative coronal plane deformity greater ... Full text Link to item Cite

Cryopreserved human amniotic membrane injection for plantar fasciitis: a randomized, controlled, double-blind pilot study.

Journal Article Foot Ankle Int · February 2015 BACKGROUND: Treatment options for plantar fasciitis have resulted in varied patient outcomes. The aim of this study was to compare a novel treatment, cryopreserved human amniotic membrane (c-hAM), to a traditional treatment, corticosteroid. Our hypothesis ... Full text Link to item Cite

Effect of Dorsal Plate Positioning on Dorsiflexion Angle in Arthrodesis of the First Metatarsophalangeal Joint: A Cadaveric Study.

Journal Article Foot Ankle Int · August 2014 BACKGROUND: The relationship between dorsal plate positioning and final dorsiflexion angle after first metatarsophalangeal (MTP) joint fusion has not been well established. The main purpose of this study was to investigate whether changes in dorsal plate p ... Full text Link to item Cite