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Gibbons K, Merrell LA, Ganta A, Rivero S, Konda SR, Egol KA. Atypical Versus Typical Subtrochanteric Femoral Fractures: Disparate Patient Profiles, Similar Outcomes. J Bone Joint Surg Am 2024; 106:190-197. [PMID: 37992181 DOI: 10.2106/jbjs.23.00583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2023]
Abstract
BACKGROUND The purpose of the present study was to evaluate differences in demographic features and clinical outcomes between patients who sustained a typical versus atypical subtrochanteric femoral fracture. METHODS We reviewed the records for a cohort of consecutive patients who had undergone operative treatment of a subtrochanteric femoral fracture. Fractures were classified as either "typical" or "atypical" on the basis of the criteria of the American Society for Bone and Mineral Research (ASBMR). All patients were treated with a similar surgical algorithm and postoperative protocol. Groups were compared on the basis of demographic features, injury characteristics, operative quality measures, postoperative complications and outcomes, and radiographic time to healing. Comparative analyses were performed to compare the typical and atypical cohorts. RESULTS Of 220 subtrochanteric fractures, 165 (75.0%) were classified as typical and 55 (25.0%) were classified as atypical. The atypical cohort was predominately female and more likely to have bisphosphonate usage (odds ratio [OR], 7.975; [95% confidence interval (CI), 3.994-15.922]; p < 0.001) and fractures with lower-energy mechanisms (p < 0.001). Patients in the atypical cohort were more likely to be treated with a 10-mm cephalomedullary nail (CMN) (OR, 2.100 [95% CI, 1.119-3.939]; p = 0.020), whereas patients in the typical cohort were treated more frequently with an 11-mm CMN (OR, 0.337 [95% CI, 0.168-0.674]; p = 0.002). There were no differences between the groups in terms of other operative parameters; however, anatomic fracture reduction in neutral lateral alignment was achieved more frequently in the typical cohort (OR, 0.438 [95% CI, 0.220-0.875]; p = 0.018). There were no differences between the groups in terms of hospital quality measures, mortality rates, readmission rates, or complication rates (including implant failure [broken screw or nail] and fracture nonunion) (p = 1.00). Interestingly, there was no significant difference between the groups in terms of time to radiographic healing (260.30 ± 187.97 days in the typical group, compared with 246.40 ± 116.33 days in the atypical group) (OR, 0.999 [95% CI, 0.997-1.002]; p = 0.606). CONCLUSIONS Despite differences in terms of demographic and injury characteristics, patients who sustain a subtrochanteric femur fracture can expect similar outcome profiles regardless of fracture type. LEVEL OF EVIDENCE Prognostic Level III . See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Kester Gibbons
- Division of Orthopedic Trauma Surgery, Department of Orthopedic Surgery, NYU Langone Health, NYU Langone Orthopedic Hospital, New York, NY
| | - Lauren A Merrell
- Division of Orthopedic Trauma Surgery, Department of Orthopedic Surgery, NYU Langone Health, NYU Langone Orthopedic Hospital, New York, NY
| | - Abhishek Ganta
- Division of Orthopedic Trauma Surgery, Department of Orthopedic Surgery, NYU Langone Health, NYU Langone Orthopedic Hospital, New York, NY
- Department of Orthopedic Surgery, Jamaica Hospital Medical Center, Richmond Hill, New York
| | - Steven Rivero
- Division of Orthopedic Trauma Surgery, Department of Orthopedic Surgery, NYU Langone Health, NYU Langone Orthopedic Hospital, New York, NY
| | - Sanjit R Konda
- Division of Orthopedic Trauma Surgery, Department of Orthopedic Surgery, NYU Langone Health, NYU Langone Orthopedic Hospital, New York, NY
- Department of Orthopedic Surgery, Jamaica Hospital Medical Center, Richmond Hill, New York
| | - Kenneth A Egol
- Division of Orthopedic Trauma Surgery, Department of Orthopedic Surgery, NYU Langone Health, NYU Langone Orthopedic Hospital, New York, NY
- Department of Orthopedic Surgery, Jamaica Hospital Medical Center, Richmond Hill, New York
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Xu K, Wang G, Lu L, Ding C, Ding Y, Chang X, Tong D, Ji F, Zhang H. Intramedullary nail fixation assisted by locking plate for complex subtrochanteric femur fractures: A retrospective study. J Orthop Sci 2023; 28:1105-1112. [PMID: 35864029 DOI: 10.1016/j.jos.2022.06.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 05/02/2022] [Accepted: 06/21/2022] [Indexed: 11/25/2022]
Abstract
BACKGROUND This study aims to compare therapeutic effects of two methods in complicated subtrochanteric femur fractures surgery: intramedullary nail fixation assisted with lateral monocortical locking plate versus intramedullary nail fixation assisted with supplementary cables. METHODS From June 2015 to June 2020, seventy-seven patients with complex subtrochanteric fractures (i.e., Seinsheimer's classification type IV or V) were included in this study. Thirty-six patients (plate group) were operated using the intramedullary nail fixation assisted by lateral monocortical locking plate, and forty-one patients (cable group) were using the intramedullary nail fixation assisted by cables. The clinical information and demographic results were collected and compared. RESULTS Operation time of plate group was shorter than cable group and the Incisions length of plate group was longer. The fluoroscopy times were 22.8 ± 8.2 in plate group and 33.0 ± 9.0 in cable group (p < 0.01). Compared with the cable group, patients in plate group used less cerclage cables (p < 0.01). Patients in the plate group has less medial cortex displacement compared with the cable group. (p = 0.038). As for the angular difference of neck shaft angle between operated hip and uninjured hip, plate group has less difference compared with the cable group. Time to union was 14.2 ± 3.1 weeks in plate group which is shorter than the cable group (17.9 ± 4.8 weeks). In terms of follow up period, number of malunion, Harris hip score, walking ability and traumatic hip rating scale, no significant differences were detected. CONCLUSIONS Our results suggest that using lateral monocortical plate as an auxiliary way may have a longer surgical incision and more intraoperative blood loss, however, the operation time is shorter, the fluoroscopy times is less, and the time to union is shorter. Intramedullary nail fixation assisted by lateral monocortical locking plate may be a new option for patients with complex subtrochanteric femur fractures.
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Affiliation(s)
- Kaihang Xu
- Department of Orthopedics, Changhai Hospital Affiliated to Navy Military Medical University, Shanghai, China; Hospital Affiliated to 71217, Yantai, China
| | - Guangchao Wang
- Department of Orthopedics, Changhai Hospital Affiliated to Navy Military Medical University, Shanghai, China
| | - Lingyu Lu
- Faculty of Anesthesiology, Changhai Hospital Affiliated to the Navy Military Medical University, Shanghai, China
| | - Chen Ding
- Department of Orthopedics, Changhai Hospital Affiliated to Navy Military Medical University, Shanghai, China
| | - Yun Ding
- Department of Orthopedics, Changhai Hospital Affiliated to Navy Military Medical University, Shanghai, China
| | - Xinyu Chang
- Department of Orthopedics, Changhai Hospital Affiliated to Navy Military Medical University, Shanghai, China
| | - Dake Tong
- Department of Orthopaedics, Shanghai Ninth People's Hospital Affiliated to Shanghai JiaoTong University School of Medicine, Shanghai, China
| | - Fang Ji
- Department of Orthopaedics, Shanghai Ninth People's Hospital Affiliated to Shanghai JiaoTong University School of Medicine, Shanghai, China.
| | - Hao Zhang
- Department of Orthopedics, Changhai Hospital Affiliated to Navy Military Medical University, Shanghai, China.
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Wang F, Liu T, Guo S, Wu L, Xin P. Reconstruction intramedullary nailing for a failed subtrochanteric Seinsheimer type IIB fracture: a case report. Front Surg 2023; 10:1172971. [PMID: 37251579 PMCID: PMC10213397 DOI: 10.3389/fsurg.2023.1172971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Accepted: 04/24/2023] [Indexed: 05/31/2023] Open
Abstract
Introduction A case of subtrochanteric Seinsheimer II B fracture was retrospectively analyzed to determine the causes of failure and the possible problems with femoral reconstruction intramedullary nailing. Methods This study focused on a case of an elderly patient with Seinsheimer type IIB fracture treated with minimally invasive femoral reconstruction intramedullary nailing. By retrospectively analyzing the intraoperative and postoperative course, we can identify the reasons that may lead to the surgical failure in order to avoid similar problems in the future. Result It was observed that the nail was dislodged after surgery, and the broken end was displaced again. Through our analysis and research, we believe that non-anatomical reduction, deviation of needle insertion point, improper selection of surgical methods, mechanical and biomechanical effects, doctor-patient communication and non-die-cutting cooperation, and non-compliance with doctor's orders may be related to the success of surgery. Conclusion Femoral reconstruction intramedullary nailing is used for the treatment of subtrochanteric Seinsheimer II B fractures; however, non-anatomical reduction, choice of needle insertion point, inappropriate choice of surgical method, mechanical and biomechanical effects, doctor-patient communication and cooperation without die-cutting, and non-compliance with doctor's advice may result in surgical failure. According to the analysis of individuals, under the premise of an accurate needle entry point, minimally invasive closed reduction PFNA or open reduction of broken ends and intramedullary nail ligation for femoral reconstruction can be used in Seinsheimer type IIB fractures. It can effectively avoid the instability of reduction and the insufficiency of the biomechanics caused by osteoporosis.
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Kang SJ, Bao FL, Huang DS, Jiang T, Hu YM, Li JM, Liu T. Percutaneous Cerclage Wiring Combined with Cephalomedullary Nailing for Irreducible Subtrochanteric Fractures. Orthop Surg 2021; 13:1899-1911. [PMID: 34435729 PMCID: PMC8523774 DOI: 10.1111/os.13144] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Revised: 08/03/2021] [Accepted: 08/03/2021] [Indexed: 11/30/2022] Open
Abstract
OBJECTIVE To explore the surgical method, operation essentials and the clinical effect of the treatment of irreducible subtrochanteric femoral fractures by percutaneous cerclage wiring and Cephalomedullary nail. METHOD From February 2016 to October 2019, 17 cases of irreducible subtrochanteric femoral fractures (SFFs) treated via a minimally invasive wire system and intramedullary nail fixation were reviewed retrospectively. Ten male and seven female patients were involved. The average age was 59.88 ± 16.13 years, ranging from 41 to 94 years. Among the patients, seven were injured in traffic accidents, five fell from a standing height, and five injured themselves from falling. The cases were classified based on the Seinsheimer classification. Specifically, five cases were type IIIA, five cases were type IIIB, one case was type IV, and six cases were type V. According to the AO/OTA classification, 10 cases were 32B3, and seven cases were 32C3. During surgery, the patients were placed on a traction bed andattempted closed reduction. For those patients whose closed reduction failed confirmed by fluoroscopy, we performed a small anterolateral incision through which a self-made minimally invasive percutaneous wire introducer (passer; patent Z: 2016 2 1002800.8) was employed for temporary fixation with a wire. A double-stranded steel wire was introduced into a self-made wire traction and lifting device (patent ZL 2020 2 0205658.7), the wire was pulled vertically and firmly fixed. Then an long InterTan nail was used for the fixation. The following information was recorded: (i) length of the invasive incision, (ii) blood loss on the third day after surgery, (iii) operation time; and (iv) maximum displacement and angulation of the fracture ends of the x-rayed front and side fractures before and after surgery and the maximum displacement and formation of the three-dimensional CT-scanned fracture ends in the coronal plane, sagittal plane, and cross section before and after surgery. RESULT A total of 15 of the 17 patients were followed for 12 to 24 months. The 15 patients recovered, but one died from pulmonary infection 1 year after surgery. In the postoperative X-ray and three-dimensional CT observation reduction treatment, fracture displacement was less than 5 mm, each plane angle was less than 10 degrees, and postoperative fracture healing time was 3 to 14 months, with an average of 4.19 ± 4.04 months. The postoperative Harris hip function score ranged from 66 to 95 points, with an average of 80.81 ± 9.67 points. In terms of clinical outcomes, 11 cases were excellent, four cases were satisfactory, and one case was fair. CONCLUSION For refractory subtrochanteric fractures, percutaneous wiring combined with Cephalomedullary nail fixation is a minimally invasive, rapid, and effective method, which can achieve satisfactory results in clinical practice and is worth promoting.
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Affiliation(s)
- Shi-Jie Kang
- Department of Orthopedic Surgery, Qilu Hospital of Shandong University, Qingdao, China
| | - Fei-Long Bao
- Department of Orthopedic Surgery, Qilu Hospital of Shandong University, Qingdao, China
| | - Dong-Sheng Huang
- Department of Orthopedic Surgery, Qilu Hospital of Shandong University, Qingdao, China
| | - Tao Jiang
- Department of Orthopedic Surgery, Qilu Hospital of Shandong University, Qingdao, China
| | - Yi-Ming Hu
- Department of Orthopedic Surgery, Qilu Hospital of Shandong University, Qingdao, China
| | - Jian-Min Li
- Department of Orthopedics, Qilu Hospital of Shandong University, Jinan, China
| | - Tao Liu
- Department of Orthopedic Surgery, Qilu Hospital of Shandong University, Qingdao, China
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Abstract
Subtrochanteric (ST) femur fractures are proximal femur fractures, which are often difficult to manage effectively because of their deforming anatomical forces. Operative management of ST fractures is the mainstay of treatment, with the two primary surgical implant options being intramedullary (IM) nails and extramedullary plates. Of these, IM nails have a biologic and biomechanical superiority, and have become the gold standard for ST femur fractures. The orthopaedic surgeon should become familiar and facile with several reduction techniques to create anatomical alignment in all unique ST fracture patterns. This article presents a comprehensive and current review of the epidemiology, anatomy, biomechanics, clinical presentation, diagnosis, and management of subtrochanteric femur fractures.
Cite this article: EFORT Open Rev 2021;6:145-151. DOI: 10.1302/2058-5241.6.200048
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Affiliation(s)
- Ian Garrison
- Department of Orthopaedic Surgery, University of South Alabama, College of Medicine, Alabama, USA
| | - Grayson Domingue
- Department of Orthopaedic Surgery, University of South Alabama, College of Medicine, Alabama, USA
| | - M Wesley Honeycutt
- Department of Orthopaedic Surgery, University of South Alabama, College of Medicine, Alabama, USA
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Provisional Minifragment Plate Fixation of Acetabular Fractures-A Technical Trick. J Orthop Trauma 2020; 34:e454-e459. [PMID: 32379226 DOI: 10.1097/bot.0000000000001798] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/01/2020] [Indexed: 02/02/2023]
Abstract
Acetabular fractures may not always be amenable to classic clamp-assisted reductions and interfragmentary lag screw fixation. The routine clamp-assisted reductions with limited osseous territory availability can inhibit typical 3.5-mm reconstruction plate application. Provisional minifragment plate fixation of these fracture patterns with subsequent clamp removal allows for definitive plate application. The provisional minifragment plates may also be retained to theoretically augment fixation. The authors present a step-by-step technique and clinical series of 57 patients demonstrating provisional minifragment fixation of elementary (n = 8) and associated (n = 49) acetabular fractures.
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Yoon YC, Oh CW, Lee DW, Sim JA, Oh JK. Miniplate osteosynthesis in fracture surgeries: Case series with review of concepts. Injury 2020; 51:878-886. [PMID: 32111462 DOI: 10.1016/j.injury.2020.02.044] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 02/09/2020] [Indexed: 02/02/2023]
Abstract
PURPOSE Miniplates were initially developed as targets for foot and hand fractures, but they have been used in the treatment of fixation of small bone fragments, reduction of long bone fractures and non-union treatment, which have been difficult to treat. In this study, the authors used miniplates to treat fractures of the upper extremities, lower extremities, and pelvis obtained good outcomes. Herein, the authors report these good outcomes and review the current concept of miniplates. PATIENTS AND METHODS Forty-two patients treated with miniplates between March 2012 and March 2017 who attended follow-up for > 1 year were included in this retrospective study. Miniplates were selected according to purpose, which was classified into three categories: fixation, reduction, and stability enhancement. For fixation, miniplates were used to fix distal fibular fractures occurring distal to the syndesmosis and treat patellar and olecranon fractures with severe comminution. For reduction, miniplates were used to reduce the tibia during intramedullary nailing in tibiofibular shaft fractures, while reduction was performed in advance of definitive plating fixation in patients with humeral and pelvic fractures. To enhance stability, the miniplate was inserted after autobone graft for atrophic nonunion at the humeral shaft following nail insertion. The validity of a miniplate was analyzed by reviewing the published literature on the use of miniplates in orthopedic fracture surgeries. RESULTS Bony union was achieved in all cases. No specific postoperative complications were observed; however, mild pain and limited range of motion observed in two patients were resolved after implant removal. Sixteen studies on fracture treatment using miniplates reported clinically fair outcomes. CONCLUSION Miniplates are not just small metal plates. Depending on the location and treatment of the fracture, the miniplate can effectively fix small bone fragments, help the main plate to maintain the reduction of large bone fragments, and increase the fixation force for nonunion treatment.
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Affiliation(s)
- Yong-Cheol Yoon
- Orthopedic Trauma Division, Trauma Center, Gachon University College of Medicine, Namdong-gu, Incheon, Republic of Korea
| | - Chang-Wug Oh
- Department of Orthopaedic Surgery, Kyungpook National University Hospital, Chung-gu, Daegu, Republic of Korea
| | - Dong-Whan Lee
- Department of Orthopaedic Surgery, Gachon University College of Medicine, Namdong-gu, Incheon, Republic of Korea
| | - Jae-Ang Sim
- Department of Orthopaedic Surgery, Gachon University College of Medicine, Namdong-gu, Incheon, Republic of Korea
| | - Jong-Keon Oh
- Department of Orthopaedic Surgery, Korea University College of Medicine, Guro Hospital, Guro-gu, Seoul, Republic of Korea.
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Hiyama S, Takahashi T, Matsumura T, Takeshita K. Open reduction and internal fixation using a locking compression plate as treatment for subtrochanteric fracture in two patients with osteopetrosis. Injury 2020; 51:565-569. [PMID: 31787327 DOI: 10.1016/j.injury.2019.11.032] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Revised: 10/25/2019] [Accepted: 11/21/2019] [Indexed: 02/02/2023]
Abstract
INTRODUCTION Osteopetrosis is a heritable disease characterized by the dysfunction of osteoclasts, resulting in decreased bone resorption and increased bone density. Fractures are a common complication of osteopetrosis, which are challenging for orthopedic surgeons to treat because the condition renders canal reaming and screw placement difficult. MATERIALS AND METHODS Data of patients with osteopetrosis from 2011 to 2019, which were available from an electronic medical database, were retrospectively analyzed. Inclusion criteria were patients with osteopetrosis having subtrochanteric fractures who were followed up for at least 72 months; 2 patients were identified. RESULTS Case 1 was a 38-year-old male and Case 2 was a 79-year-old female. Both had left subtrochanteric fractures identified using X-ray that were classified as AO 32-A3.3 and AO 31-A3.3 and treated by open reduction and internal fixation using a reversed distal femoral locking compression plate (DePuy Synthes, Obedors, Switzerland). For Case 1, fracture union was confirmed 8 months after surgery and the patient recovered the ability to walk independently using a cane, which was consistent with his pre-injury functioning. Complications were not observed during the 7-year follow-up period. For Case 2, fracture union was confirmed 9 months after surgery. She was able to walk using a crutch, which was consistent with her pre-injury functioning. Complications were not observed during the 8-year follow-up period. CONCLUSIONS We propose that there is a greater need for anatomic reduction when treating subtrochanteric fracture in patients with osteopetrosis. In order to address this issue, we recommend the surgical option involving internal fixation with a locking plate that is conducted in the lateral decubitus position. This position could benefit patients with osteopetrosis having proximal femoral fractures because anatomic reduction and plate stabilization minimize the potential injury to the abductor mechanism.
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Affiliation(s)
- Shuhei Hiyama
- Nikko Municipal Yunishigawa Clinic, Japan; Department of Orthopedic Surgery, Jichi Medical University, Japan.
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(FLiP) fracture-table vs. lateral positioning for femoral intramedullary nailing: A survey of orthopaedic surgeon preferences. Injury 2020; 51:429-435. [PMID: 31727402 DOI: 10.1016/j.injury.2019.10.067] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 10/19/2019] [Accepted: 10/21/2019] [Indexed: 02/02/2023]
Abstract
BACKGROUND Femoral shaft fractures are common and severe injuries that often occur alongside other complex, high-energy injuries. Definitive internal fixation using reamed, locked intramedullary nailing (IMN) has become the standard of care in adequately resuscitated patients, commonly performed in the supine position with utilization of a fracture table. The lateral position, without the use of traction, offers an alternative that may be associated with lower complication rates. Given the lack of high-quality evidence in the area, this study was designed to assess the attitudes, knowledge base and preferences of Orthopaedic surgeons regarding patient positioning during antegrade IMN of femoral shaft fractures. METHODS Orthopedic surgeon members of the AO North America, Canadian Orthopaedic Association and the Ontario Orthopaedic Association were invited to participate in a web-based survey addressing the management of femoral shaft fractures and the need for further research in this area. RESULTS Most surgeons (56%) favored treating mid-shaft femur fractures in the supine position using a fracture table compared to supine/sloppy lateral (29%) or direct lateral (12%) with the leg free draped. Canadian surgeons showed a significantly higher preference for supine positioning with a fracture table when compared to their American colleagues. Academic and higher-level trauma center surgeons were more likely to prefer the sloppy lateral or direct lateral positioning with manual traction compared to community surgeons. The most commonly cited perceived barrier for utilizing the lateral position was expertise and lack of available assistants. Forty-five percent of respondents expressed interest in being involved in a randomized control trial comparing lateral positioning vs. supine with traction. CONCLUSION Consensus surrounding the positioning and utilization of traction in femoral shaft fractures is lacking. Given the perceived possible benefits and reduced complications using the lateral position and free-leg draping, further research is warranted to determine the optimal positioning for these injuries during femoral IMN. LEVEL OF EVIDENCE IV STUDY TYPE: Cross-sectional Survey.
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Management of Subtrochanteric Proximal Femur Fractures: A Review of Recent Literature. Adv Orthop 2018; 2018:1326701. [PMID: 30510806 PMCID: PMC6230414 DOI: 10.1155/2018/1326701] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Accepted: 09/16/2018] [Indexed: 02/05/2023] Open
Abstract
Subtrochanteric femur fractures are an uncommon injury in orthopedics, but when they are encountered they may present difficulties in management. The purpose of this paper is to examine the recent literature on the epidemiology, classification, initial evaluation, and definitely treatment for these injuries. These will assist the physician to determine the optimal treatment strategy and avoid potential surgical complication.
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