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Nian PP, Ganesan V, Baidya J, Marder RS, Maheshwari K, Kobryn A, Maheshwari AV. Safety and Efficacy of a Single-Stage versus Two-Stage Intramedullary Nailing for Synchronous Impending or Pathologic Fractures of Bilateral Femur for Oncologic Indications: A Systematic Review. Cancers (Basel) 2023; 15:4396. [PMID: 37686672 PMCID: PMC10486789 DOI: 10.3390/cancers15174396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 08/17/2023] [Accepted: 08/31/2023] [Indexed: 09/10/2023] Open
Abstract
Although intramedullary nail (IMN) fixation is the standard of care for most impending and/or complete pathologic fractures of the femur, the optimal timing/sequence of the IMN in cases of synchronous bilateral femoral disease in advanced cancer is not well established. Thus, we compared the outcomes of single-stage (SS) vs. two-stage (TS) IMN of the bilateral femur with a systematic review of the literature on this topic. Bilateral SS and TS IMN cases were identified from 14 studies extracted from four databases according to PRISMA guidelines. Safety (complications, reoperations, mortality, survival, blood loss, and transfusion) and efficacy (length of stay [LOS], time to start rehabilitation and adjuvant therapy, functional scores, and cost) were compared between the groups. A total of 156 IMNs in 78 patients (36 SS and 42 TS) were analyzed. There were one surgical (infection in TS requiring reoperation; p = 0.860) and fifteen medical complications (five in SS, ten in TS; p = 0.045), with SS being associated with lower rates of total and medical complications. Survival, intraoperative mortality, and postoperative same-admission mortality were similar. No cases of implant failure were reported. Data on LOS, rehabilitation, and adjuvant therapy were scarcely reported, although one study favored SS over TS. No study compared cost or functional scores. Our study is the largest and most comprehensive of its kind in supporting the safety and efficacy of a SS bilateral femur IMN approach in these select patients. Further investigations with higher levels of evidence are warranted to optimize treatment protocols for this clinical scenario.
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Affiliation(s)
| | | | - Joydeep Baidya
- Department of Orthopaedic Surgery and Rehabilitation Medicine, State University of New York Downstate Health Sciences University, Brooklyn, NY 11203, USA
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Cevolani L, Campanacci L, Staals EL, Dozza B, Bianchi G, De Terlizzi F, Donati DM. Is the association of electrochemotherapy and bone fixation rational in patients with bone metastasis? J Surg Oncol 2023. [PMID: 36966436 DOI: 10.1002/jso.27247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 02/19/2023] [Accepted: 03/07/2023] [Indexed: 03/27/2023]
Abstract
BACKGROUND Bone metastases are frequent in patients with cancer. Electrochemotherapy (ECT) is a minimally invasive treatment based on a high-voltage electric pulse combined with an anticancer drug. Preclinical and clinical studies supported the use of ECT in patients with metastatic bone disease, demonstrating that it does not damage the mineral structure of the bone and its regenerative capacity, and that is feasible and efficient for the treatment of bone metastases. Year 2014 saw the start of a registry of patients with bone metastases treated with ECT, whose data are recorded in a shared database. QUESTIONS/PURPOSES (1) Among patients who underwent ECT and internal fixation for bone metastasis, how many experienced a reduction of pain? (2) How many cases showed a radiological response? (3) How many patients presented local or systemic complication after ECT and fixation? PATIENTS AND METHODS Patients were treated in Bologna at Rizzoli Orthopaedic Institute between March 2014 and February 2022 and recorded in the REINBONE registry (a shared database protected by security passwords): clinical and radiological information, ECT session, adverse events, response, quality of life indicators, and duration of follow-up were registered. We consider only cases treated with ECT and intramedullary nail during the same surgical session. Patients included in the analysis were 32: 15 males and 17 females, mean age 65 ± 13 years (median 66, range 38-88 years), mean time since diagnosis of primary tumor 6.2 ± 7.0 years (median 2.9, range 0-22 years). Nail was indicated in 13 cases for a pathological fracture in, 19 for an impending fracture. Follow-up was available for 29 patients, as 2 patients were lost to follow-up and 1 was unable to return to controls. Mean follow-up time was 7.7 ± 6.5 months (median 5, range 1-24), and 16 patients (50%) had a follow-up longer than 6 months. RESULTS A significant decrease in pain intensity was observed at the mean Visual Numeric Scale after treatment. Bone recovery was observed in 13 patients. The other 16 patients remained without changes, and one presented disease progression. One patient presented a fracture occurrence during the ECT procedure. Among all patients, bone recovery was observed in 13 patients: complete recovery in 1 patient (3%) and partial recovery in 12 patients (41%). The other 16 patients remained without changes, and one presented disease progression. One patient presented a fracture occurrence during the ECT procedure. However, healing was possible with normal fracture callus quality and healing time. No other local or systemic complications were observed. CONCLUSION We found that pain levels decreased after treatment in 23 of the 29 cases for a pain relief rate of 79% at final follow-up. Pain is one of the most important indicators of quality of life in patients that undergo palliative treatments. Even if conventional external body radiotherapy is considered a noninvasive treatment, it presents a dose-dependent toxicity. ECT provides a chemical necrosis preserving osteogenic activity and structural integrity of bone trabeculae; this is a crucial difference with other local treatments and allows bone healing in case of pathological fracture. The risk of local progression in our patient population was small, and 44% experienced bone recovery while 53% of the cases remained unchanged. We observe intraoperative fracture in one case. This technique, in selected patients, improves outcome in bone metastatic patients combing both the efficacy of the ECT in the local control of the disease and the mechanical stability with the bone fixation to synergize their benefits. Moreover, the risk of complication is very low. Although encouraging data, comparative studies are required to quantify the real efficacy of the technique. Level of Evidence Level I, therapeutic study.
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Affiliation(s)
- Luca Cevolani
- 3rd Orthopaedic and Traumatologic Clinic Prevalently Oncologic, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Laura Campanacci
- 3rd Orthopaedic and Traumatologic Clinic Prevalently Oncologic, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Eric Lodewijk Staals
- 3rd Orthopaedic and Traumatologic Clinic Prevalently Oncologic, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Barbara Dozza
- Department of Biomedical and Neuromotor Sciences (DIBINEM), Alma Mater Studiorum University of Bologna, Bologna, Italy
| | - Giuseppe Bianchi
- 3rd Orthopaedic and Traumatologic Clinic Prevalently Oncologic, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | | | - Davide Maria Donati
- 3rd Orthopaedic and Traumatologic Clinic Prevalently Oncologic, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
- Department of Biomedical and Neuromotor Sciences (DIBINEM), Alma Mater Studiorum University of Bologna, Bologna, Italy
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Poirier JL, Wurtz LD, Collier CD. Increased Number of Medical Comorbidities Associated With Increased Risk of Presenting With Pathological Femur Fracture in Metastatic Bone Disease. Iowa Orthop J 2023; 43:87-93. [PMID: 37383878 PMCID: PMC10296482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 06/30/2023]
Abstract
Background Many cancers metastasize to bone and may lead to pathologic fracture or impending pathologic fracture. Prophylactically stabilizing bones before fracture has been shown to be more cost-effective with improved outcomes. Many studies have examined risk factors for pathological fracture, with radiographic and functional pain data serving as predominant indicators for surgery. Conditions associated with poor bone health and increased risk of fracture in the non-oncologic population, including diabetes mellitus, chronic obstructive pulmonary disease (COPD), cardiovascular disease, renal disease, smoking, corticosteroid use, and osteoporosis, have not been studied in the context of metastatic disease. Characterization of these factors could help providers identify candidates for prophylactic stabilization thereby reducing the number of completed pathological fractures. Methods 298 patients over the age of 40 with metastatic bone disease of the femur treated between 2010-2021 were retrospectively identified. Patients without complete medical documentation or with non-metastatic diagnoses were excluded. 186 patients met inclusion and exclusion criteria, including 74 patients who presented with pathological femur fracture and 112 patients who presented for prophylactic stabilization. Patient demographics and comorbidities including diabetes mellitus, COPD, cardiovascular disease, renal disease, osteoporosis, active tobacco or corticosteroid use, and use of anti-resorptive therapy were collected. Descriptive statistics were compiled, with univariable analysis by Mann-Whitney or chisquared testing. Multiple logistic regression was then performed to identify the most significant patient variables for presenting with completed fracture. Results On univariable analysis, patients with COPD were more likely to present with pathologic fracture (19/32 [59%] compared to 55/154 [36%], p = 0.02). A trend emerged for patients with an increasing number of comorbidities (28/55 [51%] for 2+ comorbidities compared to 18/61 [29%] with zero comorbidities, p = 0.06). On multivariable analysis, patients with two or more comorbidities (OR: 2.49; p=0.02) were more likely to present with a femur fracture. Conclusion This analysis suggests that those with an increasing number of comorbidities may be at increased risk for pathologic fracture. This study raises the possibility that patient factors and/ or comorbidities alter bone strength and/or pain experiences and may guide orthopaedic oncologists weighing prophylactic stabilization of femur lesions. Level of Evidence: III.
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Affiliation(s)
- Jon-Luc Poirier
- Department of Orthopaedic Surgery, Indiana University Health, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - L. Daniel Wurtz
- Department of Orthopaedic Surgery, Indiana University Health, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Christopher D. Collier
- Department of Orthopaedic Surgery, Indiana University Health, Indiana University School of Medicine, Indianapolis, Indiana, USA
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DeHority K, Craig T, Damron TA. Prophylactic surgical treatment using CT-based rigidity analysis vs. after the fact fracture treatment of pathologic femoral lesions. Ann Jt 2022; 7:12. [PMID: 38529166 PMCID: PMC10929439 DOI: 10.21037/aoj-20-92] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Accepted: 05/21/2021] [Indexed: 03/27/2024]
Abstract
Background Accurate comparison of prophylactic surgical treatment (PST) to after fracture treatment (AF) of patients with femoral metastatic disease requires more accurately identifying patients for impending fracture, such as with CT-based structural rigidity analysis (CTRA). This study compares a more accurately defined PST group (of impending fractures defined by CTRA) to AF for metastatic femoral disease. Methods PST patients were enrolled and treated by the PI in a longitudinal multicenter study of impending pathologic fractures evaluated for accuracy by CTRA. The AF patients were also treated by the senior author and were identified by retrospective chart review. Fifty-five patients were treated surgically for metastatic femoral lesions and were divided into three groups for the purpose of this study: Group I (AF), Group II (PST-high), and Group III (PST-low). Demographic information, comorbidities, and clinical variables of interest were collected by retrospective chart review; cost data was collected by collaboration with our hospital financial personnel (office of the Chief Financial Officer). Results Survival showed statistically significant differences favoring Group II. Transfusions in Group I were nearly twice those of Groups II and III, but there was no statistically significant (NS) difference between groups. Estimated blood loss (EBL) was generally with NS difference. Similarly, there were NS differences in LOS between groups. Discharge disposition showed statistically significant differences between groups (P=0.012, global). Discharge to home was highest in Group II (76%) and lowest in Group I (27%). Discharge to rehab was lowest in Group II (24%) and highest in Group I (47%). There were no discharges to hospice or morgue in Group II, while both occurred in Group I. Mean direct and total costs were highest in Group I ($18,837 and $31,997, respectively) and lowest in Group II ($16,094 and $27,357) but the differences were NS. Conclusions This study shows benefits of PST over AF in a group of PST patients more accurately defined to have impending pathologic fractures by CTRA definition.
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Affiliation(s)
- Kaitlyn DeHority
- Department of Orthopedic Surgery, State University of New York Upstate Medical University, Syracuse, New York, NY, USA
| | - Tina Craig
- Department of Orthopedic Surgery, State University of New York Upstate Medical University, Syracuse, New York, NY, USA
| | - Timothy A Damron
- Department of Orthopedic Surgery, State University of New York Upstate Medical University, Syracuse, New York, NY, USA
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Asano Y, Yamamoto N, Hayashi K, Takeuchi A, Miwa S, Igarashi K, Yonezawa H, Araki Y, Morinaga S, Saito S, Nojima T, Tsuchiya H. Impact of Tumor Growth Speed of Primary Lesions on the Clinical Outcomes of Appendicular Skeletal Metastases. Anticancer Res 2022; 42:229-236. [PMID: 34969729 DOI: 10.21873/anticanres.15477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/03/2021] [Accepted: 11/09/2021] [Indexed: 11/10/2022]
Abstract
BACKGROUND/AIM This study aimed to investigate the clinical influence of the growth speed of primary lesions on appendicular skeletal metastases to provide an optimal treatment strategy for the metastases. PATIENTS AND METHODS Fifty-seven patients who underwent surgery for appendicular skeletal metastases between 2008 and 2020 were included. According to the growth speed of primary lesions, the patients were divided into the S group (slow-to-moderate, n=34) and the R group (rapid, n=23), and the outcomes were investigated. RESULTS The period from diagnosis of skeletal metastases to pathological fracture (PF) was shorter in the R group than in the S group (p=0.24). The overall survival of the S group was significantly better than that of the R group (p=0.02). CONCLUSION The appendicular skeletal metastases of the primary tumor with rapid growth speed have a high risk of PFs developed early from the diagnosis of skeletal metastases, and the prognosis may be poor.
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Affiliation(s)
- Yohei Asano
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Norio Yamamoto
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Katsuhiro Hayashi
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Akihiko Takeuchi
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Shinji Miwa
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Kentaro Igarashi
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Hirotaka Yonezawa
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Yoshihiro Araki
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Sei Morinaga
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Shiro Saito
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Takayuki Nojima
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Hiroyuki Tsuchiya
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
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Nguyễn MV, Carlier C, Nich C, Gouin F, Crenn V. Fracture Risk of Long Bone Metastases: A Review of Current and New Decision-Making Tools for Prophylactic Surgery. Cancers (Basel) 2021; 13:3662. [PMID: 34359563 DOI: 10.3390/cancers13153662] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 07/16/2021] [Accepted: 07/18/2021] [Indexed: 02/06/2023] Open
Abstract
Simple Summary Long bone metastases are frequently a pivotal point in the oncological history of patients. Weakening of the bone results in pathologic fractures that not only compromise patient function but also their survival. Therefore, the main issue for tumor boards remains timely assessment of the risk of fracture, as this is a key consideration in providing preventive surgery while also avoiding overtreatment. As the Mirels scoring system takes into account both the radiological and the clinical criteria, it has been used worldwide since the 1990s. However, due to increasing concern regarding the lack of accuracy, new thresholds have been defined for the identification of impending fractures that require prophylactic surgery, on the basis of axial cortical involvement and biomechanical models involving quantitative computed tomography. The aim of this review is to establish a state-of-the-art of the risk assessment of long bone metastases fractures, from simple radiologic scores to more complex multidimensional bone models, in order to define new decision-making tools. Abstract Long bone pathological fractures very much reflect bone metastases morbidity in many types of cancer. Bearing in mind that they not only compromise patient function but also survival, identifying impending fractures before the actual event is one of the main concerns for tumor boards. Indeed, timely prophylactic surgery has been demonstrated to increase patient quality of life as well as survival. However, early surgery for long bone metastases remains controversial as the current fracture risk assessment tools lack accuracy. This review first focuses on the gold standard Mirels rating system. It then explores other unique imaging thresholds such as axial or circumferential cortical involvement and the merits of nuclear imaging tools. To overcome the lack of specificity, other fracture prediction strategies have focused on biomechanical models based on quantitative computed tomography (CT): computed tomography rigidity analysis (CT-RA) and finite element analysis (CT-FEA). Despite their higher specificities in impending fracture assessment, their limited availability, along with a need for standardization, have limited their use in everyday practice. Currently, the prediction of long bone pathologic fractures is a multifactorial process. In this regard, machine learning could potentially be of value by taking into account clinical survival prediction as well as clinical and improved CT-RA/FEA data.
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Asano Y, Yamamoto N, Hayashi K, Takeuchi A, Miwa S, Igarashi K, Yonezawa H, Araki Y, Morinaga S, Kasahara K, Sone T, Tsuchiya H. Complete Response of Bone Metastasis in Non-small Cell Lung Cancer With Pembrolizumab: Two Case Reports. Anticancer Res 2021; 41:1693-1699. [PMID: 33788767 DOI: 10.21873/anticanres.14933] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 01/26/2021] [Accepted: 01/27/2021] [Indexed: 11/10/2022]
Abstract
AIM To report two cases in which treatment with pembrolizumab for advanced non-small cell lung cancer (NSCLC) with bone metastasis of the long bone of the lower extremity in a state of impending fracture significantly ameliorated both lung tumor and bone metastasis. CASE REPORT Case 1 was a 74-year-old woman diagnosed with metastasis of NSCLC in the left tibia and case 2 was a 71-year-old man diagnosed with metastasis of NSCLC in the right femur; their bone metastases were in a state of impending fracture. Disease in both cases was already in stage IVB and they received systemic therapy using pembrolizumab, whilst the bone metastases were treated conservatively. After 3 months, both patients showed a complete response with remarkable osteosclerotic changes in bone metastases and the size of lung tumors was reduced. CONCLUSION These results might imply a novel strategy for systemic treatment with pembrolizumab is required, even in case of impending fracture in advanced NSCLC.
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Affiliation(s)
- Yohei Asano
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Norio Yamamoto
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Katsuhiro Hayashi
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Akihiko Takeuchi
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan;
| | - Shinji Miwa
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Kentaro Igarashi
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Hirotaka Yonezawa
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Yoshihiro Araki
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Sei Morinaga
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
| | - Kazuo Kasahara
- Department of Respiratory Medicine, Kanazawa University Hospital, Kanazawa, Japan
| | - Takashi Sone
- Department of Respiratory Medicine, Kanazawa University Hospital, Kanazawa, Japan
| | - Hiroyuki Tsuchiya
- Department of Orthopaedic Surgery, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan
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Mirzasadeghi A, Narayanan SS, Ng MH, Sanaei R, Cheng CH, Bajuri MY, Shukur MH. Intramedullary cement osteosynthesis (IMCO): a pilot study in sheep. Biomed Mater Eng 2015; 24:2177-86. [PMID: 25226916 DOI: 10.3233/bme-141029] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The application of bone substitutes and cements has a long standing history in augmenting fractures as a complement to routine fracture fixation techniques. Nevertheless, such use is almost always in conjunction with definite means of fracture fixation such as intramedullary pins or bone plates. The idea of using biomaterials as the primary fixation bears the possibility of simultaneous fixation and bone enhancement. Intramedullary recruitment of bone cements is suggested in this study to achieve this goal. However, as the method needs primary testings in animal models before human implementation, and since the degree of ambulation is not predictable in animals, this pilot study only evaluates the outcomes regarding the feasibility and safety of this method in the presence of primary bone fixators. A number of two sheep were used in this study. Tibial transverse osteotomies were performed in both animals followed by external skeletal fixation. The medullary canals, which have already been prepared by removing the marrow through proximal and distal drill holes, were then injected with calcium phosphate cement (CPC). The outcomes were evaluated postoperatively by standard survey radiographs, morphology, histology and biomechanical testings. Healing processes appeared uncomplicated until week four where one bone fracture recurred due to external fixator failure. The results showed 56% and 48% cortical thickening, compared to the opposite site, in the fracture site and proximal and distal diaphyses respectively. This bone augmentative effect resulted in 264% increase in bending strength of the fracture site and 148% increase of the same value in the adjacent areas of diaphyses. In conclusion, IMCO, using CPC in tibia of sheep, is safe and biocompatible with bone physiology and healing. It possibly can carry the osteopromotive effect of the CPCs to provide a sustained source of bone augmentation throughout the diaphysis. Although the results must be considered preliminary, this method has possible advantages over conventional methods of bone fixation at least in bones with compromised quality (i.e. osteoporosis and bone cysts), where rigid metal implants may jeopardize eggshell cortices.
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Affiliation(s)
- Alireza Mirzasadeghi
- Department of Orthopedics, School of Medicine, Taylor's University, Level 9D, Hospital Sungai Buloh, 47000 Sungai Buloh, Selangor, Malaysia
| | - Sri Subanesh Narayanan
- Department of Orthopedics and Traumatology, University Kebangsaan Malaysia Medical Centre (UKMMC), University Kebangsaan Malaysia (National University of Malaysia), Jalan Ya'acob Latif, Bandar Tun. Razak, 56000 Cheras, Kuala Lumpur, Malaysia
| | - Min Hwei Ng
- Tissue Engeenering Centre, University Kebangsaan Malaysia Medical Centre (UKMMC), University Kebangsaan Malaysia (National University of Malaysia), Jalan Ya'acob Latif, Bandar Tun. Razak, 56000 Cheras, Kuala Lumpur, Malaysia
| | - Reza Sanaei
- Department of Veterinay Clinical Studies, University Putra Malaysia (UPM), 43400 UPM, Serdang, Selangor, Malaysia
| | - Chen Hui Cheng
- Department of Veterinay Clinical Studies, University Putra Malaysia (UPM), 43400 UPM, Serdang, Selangor, Malaysia
| | - Mohd Yazid Bajuri
- Department of Orthopedics and Traumatology, University Kebangsaan Malaysia Medical Centre (UKMMC), University Kebangsaan Malaysia (National University of Malaysia), Jalan Ya'acob Latif, Bandar Tun. Razak, 56000 Cheras, Kuala Lumpur, Malaysia
| | - Mohammad Hassan Shukur
- Department of Orthopedics and Traumatology, University Kebangsaan Malaysia Medical Centre (UKMMC), University Kebangsaan Malaysia (National University of Malaysia), Jalan Ya'acob Latif, Bandar Tun. Razak, 56000 Cheras, Kuala Lumpur, Malaysia
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