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  1. AU="Bunzel, Eli W"
  2. AU="Doan, Andrew H"
  3. AU="Mittal, Vikas"
  4. AU="Nørredam, Marie"
  5. AU="Kamienkowski, Juan E."
  6. AU="Caceres, Silvia"
  7. AU="Wang, Rui-Juan"
  8. AU="Adriaans, Ingrid E"
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  10. AU="Marcos-Pinto, Ricardo"
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  28. AU="Ottino-González, Jonatan"
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  30. AU="Bárbara Ayala-Orozco"
  31. AU=Goudsmit Jaap AU=Goudsmit Jaap
  32. AU="Qian, Junbin"
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  1. Article ; Online: Classifications In Brief: The Allen and Ferguson Classification.

    Bunzel, Eli W / Gendelberg, David

    Clinical orthopaedics and related research

    2024  

    Language English
    Publishing date 2024-01-25
    Publishing country United States
    Document type Journal Article
    ZDB-ID 80301-7
    ISSN 1528-1132 ; 0009-921X
    ISSN (online) 1528-1132
    ISSN 0009-921X
    DOI 10.1097/CORR.0000000000002976
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Uk I Zs.188: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 2021: Bestellungen von Artikeln über das Online-Bestellformular
    ab Jg. 2022: Lesesaal (EG)

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  2. Article ; Online: Non-operative treatment of atlanto-occipital incongruity following high energy trauma: a case report.

    Bunzel, Eli W / Khoo, Kevin / Zhou, Haitao

    AME case reports

    2023  Volume 7, Page(s) 24

    Abstract: Background: Traumatic occipitocervical dislocations (OCDs) are rare and potentially devastating injuries, and delayed diagnosis and management is a well-known risk factor for poor outcomes in high energy trauma. Early surgical stabilization has been ... ...

    Abstract Background: Traumatic occipitocervical dislocations (OCDs) are rare and potentially devastating injuries, and delayed diagnosis and management is a well-known risk factor for poor outcomes in high energy trauma. Early surgical stabilization has been shown to improve outcomes and neurologic recovery in these patients. We present a case of incongruent atlanto-occipital (O-C1) joints found on post-operative computed tomography (CT) imaging following C1-C2 fusion. This patient was treated non-operatively in a cervical collar (C-collar) after traction testing revealed no dynamic instability.
    Case description: A 19-year-old male with history of obesity was involved in a high-speed motor vehicle collision (MVC). On arrival, he had elevated troponins but otherwise normal laboratory workup and electrocardiogram (EKG). He remained hypotensive throughout his initial presentation. A reliable neurologic exam could not be obtained due to the patient's intubated and sedated status, however, bulbocavernosus reflex was intact, reflexes were normal and the patient did not demonstrate evidence of spinal or neurogenic shock. CT of the full spine revealed distraction of the C1-C2 articulation without associated fracture, and without clear disruption or distraction of the O-C1 joint. He was taken to the operating room for C1-C2 posterior instrumentation and fusion. Post-operative cervical spine CT revealed further distraction and subluxation of the occipitocervical junction bilaterally, with condyle to C1 interval (CCI) of 4-mm bilaterally, a basion-dens interval (BDI) of 10 mm, and a Power's Ratio of 1.1. The patient was brought back urgently to the operating room for traction testing to rule out OCD. There was no distraction noted on dynamic traction testing, and the patient was treated non-operatively in a C-collar. At 12 weeks post-injury, the patient experienced no neck pain, and flexion/extension radiographs showed no evidence of subluxation or distraction at the O-C1 joints.
    Conclusions: Incongruity of the O-C1 joint may not be synonymous with instability as previously thought, and in cases of O-C1 incongruity with stable traction testing, non-operative treatment with external immobilization can be considered as a viable treatment option even in the polytraumatized patient.
    Language English
    Publishing date 2023-07-18
    Publishing country China
    Document type Case Reports
    ISSN 2523-1995
    ISSN (online) 2523-1995
    DOI 10.21037/acr-23-23
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: A Staged Protocol for Treatment of High-Energy Tongue-Type Calcaneus Fractures: Surgical Technique and Case Series.

    Goodnough, L Henry / Bunzel, Eli W / Benirschke, Stephen K / Githens, Michael F

    Journal of orthopaedic trauma

    2023  Volume 37, Issue 8, Page(s) e335–e340

    Abstract: Summary: Displaced tongue-type calcaneus fractures are frequently associated with severe soft tissue injuries, and urgent relief of the displaced tongue fragment on the posterior soft tissues is essential to preventing soft tissue complications. If ... ...

    Abstract Summary: Displaced tongue-type calcaneus fractures are frequently associated with severe soft tissue injuries, and urgent relief of the displaced tongue fragment on the posterior soft tissues is essential to preventing soft tissue complications. If there is a complex articular injury, the soft tissue envelope often needs time for swelling to resolve to allow for a safe open anatomic reduction because premature open reduction internal fixation is often associated with increased complications. We have found that in high-energy tongue-type calcaneus fractures with complex articular injuries, a staged protocol consisting of initial percutaneous reduction and fixation with later definitive reconstruction is soft tissue friendly, allows early restoration of calcaneal morphology, and affords extensile approaches for eventual reconstruction. The purpose of this study was to describe our protocol of staged treatment of high-energy tongue-type calcaneus fractures, along with postoperative surgical outcomes, in a case series of 53 patients.Our series of patients had a high rate of intra-articular injury with marked initial displacement (mean Bohler angle -8.4 ± 20.8 degrees). They were treated initially with percutaneous reduction and fixation at median 1 day postinjury (interquartile range [IQR] 0-1) and definitively at median 16 days postinjury (IQR 10-33). In this series, 2 of 53 (3.8%) patients developed a deep wound infection.In high-energy tongue-type calcaneus fractures at risk for soft tissue compromise or with a significantly displaced tongue fragment without initial soft tissue compromise, we found that staged management represents a feasible management strategy to mitigate risk of soft tissue complications and therefore helps facilitate safe definitive open treatment.
    MeSH term(s) Humans ; Calcaneus/diagnostic imaging ; Calcaneus/surgery ; Calcaneus/injuries ; Fracture Fixation, Internal/methods ; Treatment Outcome ; Retrospective Studies ; Fractures, Bone/diagnostic imaging ; Fractures, Bone/surgery ; Fractures, Bone/etiology ; Ankle Injuries/surgery ; Foot Injuries ; Intra-Articular Fractures/diagnostic imaging ; Intra-Articular Fractures/surgery
    Language English
    Publishing date 2023-02-02
    Publishing country United States
    Document type Journal Article
    ZDB-ID 639099-7
    ISSN 1531-2291 ; 0890-5339
    ISSN (online) 1531-2291
    ISSN 0890-5339
    DOI 10.1097/BOT.0000000000002532
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 2234: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (1.OG)
    ab Jg. 2022: Lesesaal (EG)

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  4. Article ; Online: Posteromedial Talar Body Fracture: Case Discussion and Surgical Technique.

    Carlock, Kurtis D / Bunzel, Eli W / Goodnough, L Henry / Githens, Michael F

    Journal of orthopaedic trauma

    2022  Volume 36, Issue Suppl 3, Page(s) S33–S34

    Abstract: Summary: Posteromedial talar body fractures are a rare form of talus fracture that involves the tibiotalar and subtalar joints. In cases of displaced injuries, open reduction and internal fixation is typically recommended to minimize the risk of ... ...

    Abstract Summary: Posteromedial talar body fractures are a rare form of talus fracture that involves the tibiotalar and subtalar joints. In cases of displaced injuries, open reduction and internal fixation is typically recommended to minimize the risk of instability and post-traumatic osteoarthritis. This video presents a case of a posteromedial talar body fracture and highlights the technique for operative fixation through a posteromedial approach. Multiple methods to obtain reduction are discussed, and considerations with implant placement are described. The indications for surgical intervention are reviewed, and published outcomes following operative and nonoperative management of these injuries are presented.
    MeSH term(s) Ankle Joint/surgery ; Fracture Fixation, Internal/methods ; Fractures, Bone/diagnostic imaging ; Fractures, Bone/surgery ; Humans ; Open Fracture Reduction ; Talus/diagnostic imaging ; Talus/injuries ; Talus/surgery
    Language English
    Publishing date 2022-07-23
    Publishing country United States
    Document type Case Reports ; Journal Article ; Video-Audio Media
    ZDB-ID 639099-7
    ISSN 1531-2291 ; 0890-5339
    ISSN (online) 1531-2291
    ISSN 0890-5339
    DOI 10.1097/BOT.0000000000002398
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 2234: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (1.OG)
    ab Jg. 2022: Lesesaal (EG)

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  5. Article ; Online: Conversion of External Fixator to Intramedullary Nail in Tibial fractures.

    Bunzel, Eli W / Wilkinson, Brady / Rothberg, David / Higgins, Thomas / Marchand, Lucas / Haller, Justin

    The Journal of the American Academy of Orthopaedic Surgeons

    2022  Volume 31, Issue 1, Page(s) 41–48

    Abstract: Introduction: Conversion of provisional external fixation to intramedullary nail (IMN) in femur fractures has been reported to be safe within 14 days of initial surgery. However, there is no current literature guiding this practice in tibial fractures. ... ...

    Abstract Introduction: Conversion of provisional external fixation to intramedullary nail (IMN) in femur fractures has been reported to be safe within 14 days of initial surgery. However, there is no current literature guiding this practice in tibial fractures. The purpose of this study was to identify the time period when conversion of external fixation to nail in tibial fractures is safe.
    Methods: After obtaining IRB approval, tibial fractures (OTA 41A, 42, 43A) that received provisional ex-fix and were converted to IMN from 2009 to 2019 were retrospectively reviewed. Skeletally mature patients with minimum 6 months of follow-up were included. The primary outcome was deep infection. External fixation days were categorized as less than 7, 8 to 14, and 15+ days. Risk ratios of infection were estimated using generalized linear regression with a Poisson distribution. A separate regression model evaluated risk factors for infection using both the external fixation and non-external fixation tibial cohorts.
    Results: Twenty-eight patients (32%) were treated for deep infection. The infection rate for closed fractures was 28% (11 of 39 patients) and for open fractures was 35% (17 of 49 patients) ( P = 0.56). Examining both tibial cohorts, external fixation (odds ratio [OR] = 2.39, P = 0.017), open fracture (OR = 3.13, P = 0.002), and compartment syndrome (OR = 2.58, P = 0.01) were all associated with infection in regression modeling. Median external fixation days for patients with deep infection was 8 days (Inter-quartile range, 3 to 18 days) as compared with 4 days (IQR, 2 to 9 days) in patients without infection ( P = 0.06). While controlling for open fractures, the 8- to 14-day group had RR = 1.81 ( P = 0.2), and the 15+-day group had RR = 2.67 ( P = 0.003) as compared with the <7-day group.
    Discussion: Infection rates of tibial fracture patients treated with external fixation and converted to IMN were high. Surgeons should strongly consider the necessity of external fixation for these fractures. Earlier conversion of external fixation to definitive fixation reduced infection rates.
    Level of evidence: Level IV-case series.
    MeSH term(s) Humans ; Fracture Fixation/adverse effects ; Fractures, Open/surgery ; Fractures, Open/complications ; Retrospective Studies ; Treatment Outcome ; External Fixators ; Fracture Fixation, Intramedullary/adverse effects ; Tibial Fractures/complications ; Bone Nails
    Language English
    Publishing date 2022-10-06
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1200524-1
    ISSN 1940-5480 ; 1067-151X
    ISSN (online) 1940-5480
    ISSN 1067-151X
    DOI 10.5435/JAAOS-D-21-00857
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 4048: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (2.OG)
    ab Jg. 2022: Lesesaal (EG)
    Zs.MO 274: Show issues

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