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Mdingi VS, Gens L, Mys K, Varga P, Zeiter S, Marais LC, Richards RG, Moriarty FT, Chittò M. Short-Term Celecoxib Promotes Bone Formation without Compromising Cefazolin Efficacy in an Early Orthopaedic Device-Related Infection: Evidence from a Rat Model. Antibiotics (Basel) 2024; 13:715. [PMID: 39200015 PMCID: PMC11350844 DOI: 10.3390/antibiotics13080715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2024] [Revised: 07/26/2024] [Accepted: 07/26/2024] [Indexed: 09/01/2024] Open
Abstract
Non-steroidal anti-inflammatory drugs (NSAIDs) are crucial components of multimodal analgesia for musculoskeletal injuries, targeting cyclooxygenase (COX) enzymes (COX-1 and/or COX-2 isoenzymes). Concerns exist regarding their potential interference with bone healing and orthopaedic device-related infections (ODRI), where data are limited. This study aimed to investigate whether the COX-selectivity of NSAIDs interfered with antibiotic efficacy and bone changes in the setting of an ODRI. In vitro testing demonstrated that combining celecoxib (a COX-2 inhibitor) with cefazolin significantly enhanced antibacterial efficacy compared to cefazolin alone (p < 0.0001). In vivo experiments were performed using Staphylococcus epidermidis in the rat proximal tibia of an ODRI model. Long and short durations of celecoxib treatment in combination with antibiotics were compared to a control group receiving an antibiotic only. The long celecoxib treatment group showed impaired infection clearance, while the short celecoxib treatment showed increased bone formation (day 6, p < 0.0001), lower bone resorption (day 6, p < 0.0001), and lower osteolysis (day 6, BV/TV: p < 0.0001; BIC: p = 0.0005) compared to the control group, without impairing antibiotic efficacy (p > 0.9999). Given the use of NSAIDs as part of multimodal analgesia, and considering these findings, short-term use of COX-2 selective NSAIDs like celecoxib not only aids pain management but also promotes favorable bone changes during ODRI.
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Affiliation(s)
- Vuyisa Siphelele Mdingi
- AO Research Institute Davos, 7270 Davos, Switzerland; (V.S.M.)
- Department of Orthopaedic Surgery, School of Clinical Medicine, University of KwaZulu Natal, Durban 4041, South Africa
| | - Lena Gens
- AO Research Institute Davos, 7270 Davos, Switzerland; (V.S.M.)
| | - Karen Mys
- AO Research Institute Davos, 7270 Davos, Switzerland; (V.S.M.)
| | - Peter Varga
- AO Research Institute Davos, 7270 Davos, Switzerland; (V.S.M.)
| | - Stephan Zeiter
- AO Research Institute Davos, 7270 Davos, Switzerland; (V.S.M.)
| | - Leonard Charles Marais
- Department of Orthopaedic Surgery, School of Clinical Medicine, University of KwaZulu Natal, Durban 4041, South Africa
| | | | | | - Marco Chittò
- AO Research Institute Davos, 7270 Davos, Switzerland; (V.S.M.)
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Soliman L, Sobti N, Rao V, Klinge P, Woo AS. Spontaneous Reossification Following Craniectomy in a Pediatric Patient. Cleft Palate Craniofac J 2024; 61:166-171. [PMID: 35918810 DOI: 10.1177/10556656221118426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Spontaneous reossification following a cranial defect is described by only a few case reports. A 6-month-old male with epidural hematoma underwent decompressive craniotomy, subsequently complicated by scalp abscess requiring removal of the bone flap. On serial outpatient follow-up, the patient demonstrated near-complete resolution of cranial defect over the course of 18 months, thus deferring the need for future cranioplasty. Prior articles have identified this occurrence in children and young adults; however, the present case is the first to report of this phenomenon in an infant less than 1 year of age. A brief review of the literature is provided with the proposed physiologic underpinning for the spontaneous reossification observed. While prior studies propose that recranialization is mediated by contact with the dura mater and pericranium, new investigations suggest that calvarial bone repair is also mediated by stem cells from the suture mesenchyme.
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Affiliation(s)
- Luke Soliman
- Division of Plastic and Reconstructive Surgery, The Warren Alpert Medical School of Brown University, Providence, RI, USA
| | - Nikhil Sobti
- Division of Plastic and Reconstructive Surgery, The Warren Alpert Medical School of Brown University, Providence, RI, USA
| | - Vinay Rao
- Division of Plastic and Reconstructive Surgery, The Warren Alpert Medical School of Brown University, Providence, RI, USA
| | - Petra Klinge
- Division of Neurosurgery, The Warren Alpert Medical School of Brown University, Providence, RI, USA
| | - Albert S Woo
- Division of Plastic and Reconstructive Surgery, The Warren Alpert Medical School of Brown University, Providence, RI, USA
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King JL, Richey B, Yang D, Olsen E, Muscatelli S, Hake ME. Ketorolac and bone healing: a review of the basic science and clinical literature. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY & TRAUMATOLOGY : ORTHOPEDIE TRAUMATOLOGIE 2024; 34:673-681. [PMID: 37688640 DOI: 10.1007/s00590-023-03715-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 08/27/2023] [Indexed: 09/11/2023]
Abstract
Although the efficacy of ketorolac in pain management and the short duration of use align well with current clinical practice guidelines, few studies have specifically evaluated the impact of ketorolac on bony union after fracture or surgery. The purpose of this study was to review the current basic science and clinical literature on the use of ketorolac for pain management after fracture and surgery and the subsequent risk of delayed union or nonunion. Animal studies demonstrate a dose-dependent risk of delayed union in rodents treated with high doses of ketorolac for 4 weeks or greater; however, with treatment for 7 days or low doses, there is no evidence of risk of delayed union or nonunion. Current clinical evidence has also shown a dose-dependent increased risk of pseudoarthrosis and nonunion after post-operative ketorolac administration in orthopedic spine surgery. However, other orthopedic subspecialities have not demonstrated increased risk of delayed union or nonunion with the use of peri-operative ketorolac administration. While evidence exists that long-term ketorolac use may represent risks with regard to fracture healing, insufficient evidence currently exists to recommend against short-term ketorolac use that is limited to the peri-operative period. LEVEL OF EVIDENCE V: Narrative Review.
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Affiliation(s)
- Jesse Landon King
- Department of Orthopaedic Surgery, University of Michigan, Michigan Medicine, 1500 E. Medical Center Drive, 2912 Taubman Center, Box 5328, Ann Arbor, MI, 48109-5328, USA.
| | - Bradley Richey
- Department of Orthopaedic Surgery, University of Michigan, Michigan Medicine, 1500 E. Medical Center Drive, 2912 Taubman Center, Box 5328, Ann Arbor, MI, 48109-5328, USA
| | - Daniel Yang
- Department of Orthopaedic Surgery, University of Michigan, Michigan Medicine, 1500 E. Medical Center Drive, 2912 Taubman Center, Box 5328, Ann Arbor, MI, 48109-5328, USA
| | - Eric Olsen
- Department of Orthopaedic Surgery, University of Michigan, Michigan Medicine, 1500 E. Medical Center Drive, 2912 Taubman Center, Box 5328, Ann Arbor, MI, 48109-5328, USA
| | - Stefano Muscatelli
- Department of Orthopaedic Surgery, University of Michigan, Michigan Medicine, 1500 E. Medical Center Drive, 2912 Taubman Center, Box 5328, Ann Arbor, MI, 48109-5328, USA
| | - Mark E Hake
- Department of Orthopaedic Surgery, University of Michigan, Michigan Medicine, 1500 E. Medical Center Drive, 2912 Taubman Center, Box 5328, Ann Arbor, MI, 48109-5328, USA
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Brenneis M, Jenei-Lanzl Z, Kupka J, Braun S, Junker M, Zaucke F, Rickert M, Meurer A. Correlation between Adrenoceptor Expression and Clinical Parameters in Degenerated Lumbar Intervertebral Discs. Int J Mol Sci 2022; 23:ijms232315358. [PMID: 36499685 PMCID: PMC9739018 DOI: 10.3390/ijms232315358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 11/22/2022] [Accepted: 12/01/2022] [Indexed: 12/12/2022] Open
Abstract
Despite advanced knowledge of the cellular and biomechanical processes of intervertebral disc degeneration (IVDD), the trigger and underlying mechanisms remain unclear. Since the sympathetic nervous system (SNS) has been shown to exhibit catabolic effects in osteoarthritis pathogenesis, it is attractive to speculate that it also influences IVDD. Therefore, we explored the adrenoceptor (AR) expression profile in human IVDs and correlated it with clinical parameters of patients. IVD samples were collected from n = 43 patients undergoing lumbar spinal fusion surgery. AR gene expression was analyzed by semi-quantitative polymerase chain reaction. Clinical parameters as well as radiological Pfirrmann and Modic classification were collected and correlated with AR expression levels. In total human IVD homogenates α1A-, α1B-, α2A-, α2B-, α2C-, β1- and β2-AR genes were expressed. Expression of α1A- (r = 0.439), α2A- (r = 0.346) and β2-AR (r = 0.409) showed a positive and significant correlation with Pfirrmann grade. α1A-AR expression was significantly decreased in IVD tissue of patients with adjacent segment disease (p = 0.041). The results of this study indicate that a relationship between IVDD and AR expression exists. Thus, the SNS and its neurotransmitters might play a role in IVDD pathogenesis. The knowledge of differential AR expression in different etiologies could contribute to the development of new therapeutic approaches for IVDD.
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Affiliation(s)
- Marco Brenneis
- Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60590 Frankfurt, Germany
- Correspondence: or
| | - Zsuzsa Jenei-Lanzl
- Dr. Rolf M. Schwiete Research Unit for Osteoarthritis, Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60590 Frankfurt, Germany
| | - Johannes Kupka
- Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60590 Frankfurt, Germany
| | - Sebastian Braun
- Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60590 Frankfurt, Germany
| | - Marius Junker
- Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60590 Frankfurt, Germany
| | - Frank Zaucke
- Dr. Rolf M. Schwiete Research Unit for Osteoarthritis, Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60590 Frankfurt, Germany
| | - Marcus Rickert
- Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60590 Frankfurt, Germany
| | - Andrea Meurer
- Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60590 Frankfurt, Germany
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Goodnough LH, Ambrosi TH, Steininger HM, Butler MGK, Hoover MY, Choo H, Van Rysselberghe NL, Bellino MJ, Bishop JA, Gardner MJ, Chan CKF. Cross-species comparisons reveal resistance of human skeletal stem cells to inhibition by non-steroidal anti-inflammatory drugs. Front Endocrinol (Lausanne) 2022; 13:924927. [PMID: 36093067 PMCID: PMC9454294 DOI: 10.3389/fendo.2022.924927] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 07/13/2022] [Indexed: 11/13/2022] Open
Abstract
Fracture healing is highly dependent on an early inflammatory response in which prostaglandin production by cyclo-oxygenases (COX) plays a crucial role. Current patient analgesia regimens favor opioids over Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) since the latter have been implicated in delayed fracture healing. While animal studies broadly support a deleterious role of NSAID treatment to bone-regenerative processes, data for human fracture healing remains contradictory. In this study, we prospectively isolated mouse and human skeletal stem cells (SSCs) from fractures and compared the effect of various NSAIDs on their function. We found that osteochondrogenic differentiation of COX2-expressing mouse SSCs was impaired by NSAID treatment. In contrast, human SSCs (hSSC) downregulated COX2 expression during differentiation and showed impaired osteogenic capacity if COX2 was lentivirally overexpressed. Accordingly, short- and long-term treatment of hSSCs with non-selective and selective COX2 inhibitors did not affect colony forming ability, chondrogenic, and osteogenic differentiation potential in vitro. When hSSCs were transplanted ectopically into NSG mice treated with Indomethacin, graft mineralization was unaltered compared to vehicle injected mice. Thus, our results might contribute to understanding species-specific differences in NSAID sensitivity during fracture healing and support emerging clinical data which conflicts with other earlier observations that NSAID administration for post-operative analgesia for treatment of bone fractures are unsafe for patients.
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Affiliation(s)
- L. Henry Goodnough
- Department of Orthopaedic Surgery, Stanford Hospitals and Clinics, Stanford, CA, United States
| | - Thomas H. Ambrosi
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA, United States
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University School of Medicine, Stanford, CA, United States
| | - Holly M. Steininger
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA, United States
| | - M. Gohazrua K. Butler
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA, United States
| | - Malachia Y. Hoover
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA, United States
| | - HyeRan Choo
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University School of Medicine, Stanford, CA, United States
| | | | - Michael J. Bellino
- Department of Orthopaedic Surgery, Stanford Hospitals and Clinics, Stanford, CA, United States
| | - Julius A. Bishop
- Department of Orthopaedic Surgery, Stanford Hospitals and Clinics, Stanford, CA, United States
| | - Michael J. Gardner
- Department of Orthopaedic Surgery, Stanford Hospitals and Clinics, Stanford, CA, United States
| | - Charles K. F. Chan
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA, United States
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University School of Medicine, Stanford, CA, United States
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The effect of NSAIDs on postfracture bone healing: a meta-analysis of randomized controlled trials. OTA Int 2021; 4:e092. [PMID: 34746650 PMCID: PMC8568409 DOI: 10.1097/oi9.0000000000000092] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 07/18/2020] [Accepted: 08/12/2020] [Indexed: 01/08/2023]
Abstract
To determine whether nonsteroidal anti-inflammatory drugs (NSAIDs) have an adverse effect on bone healing by evaluating all available human randomized controlled trials (RCTs) on this subject. Data Sources A comprehensive search of electronic databases (PubMed, MEDLINE, and Cross-References) until October 2018 comparing the occurrence of nonunion in patients who received NSAIDs to the control group through RCTs. Study Selection Inclusion criteria were English-only studies, and the type of studies was restricted to RCTs. Data Extraction Two authors independently extracted data from the selected studies, and the data collected were compared to verify agreement. Data Synthesis Nonunion was the main outcome evaluated in each study. Regression analysis was used to estimate the relative risk comparing the duration and the type of NSAIDs by calculating the odds ratio (OR) for dichotomous variables. Studies were weighed by the inverse of the variance of the outcome, and a fixed-effects model was used for all analyses. Conclusions Six RCTs (609 patients) were included. The risk of nonunion was higher in the patients who were given NSAIDs after the fracture with an OR of 3.47. However, once the studies were categorized into the duration of treatment with NSAIDs, those who received NSAIDs for a short period (<2 weeks) did not show any significant risk of nonunion compared to those who received NSAIDs for a long period (>4 weeks). Indomethacin was associated with a significant higher nonunion rate and OR ranging from 1.66 to 9.03 compared with other NSAIDs that did not show a significant nonunion risk.
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7
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Al-Waeli H, Reboucas AP, Mansour A, Morris M, Tamimi F, Nicolau B. Non-steroidal anti-inflammatory drugs and bone healing in animal models-a systematic review and meta-analysis. Syst Rev 2021; 10:201. [PMID: 34238360 PMCID: PMC8268344 DOI: 10.1186/s13643-021-01690-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 04/26/2021] [Indexed: 12/09/2022] Open
Abstract
BACKGROUND Non-steroidal anti-inflammatory drugs (NSAID) have excellent anti-inflammatory and analgesic properties and are extensively used to treat post-traumatic or surgical musculoskeletal pain. Although an extensive literature exists on the administration of NSAID on animal bone healing, no systematic review and meta-analysis of animal studies that investigate the effect of NSAID administration on bone fracture healing. Objective of this study is to conduct a systematic review and meta-analysis to estimate the effect of NSAIDs administration on bone healing biomechanical and histomorphometric measurements in different animal models after bone fracture surgery. METHODS We performed a systematic review and meta-analysis of animal studies to estimate the effect of NSAID administration after bone fracture on healing outcomes. We searched eight databases without limiting the search to starting date up to 1 February 2021 for articles on fractured bone healing in animal models in which NSAID were administered. RESULTS Out of 6732 articles screened, 47 were included and 3 common bone healing outcomes were analysed: biomechanical properties (maximum force to break, stiffness, and work-to-failure), micro-computed tomography (μ-CT), and histomorphometric measurements. The studies were generally of low-quality scores because crucial information, especially concerning randomization, blinding, and allocation concealment, was poorly reported. Our results show that the negative effects of NSAID after bone fracture on certain biomechanical properties of the healing bones was not statistically significant in mice compared with other animals, in females compared with males, and in younger compared with older animals. CONCLUSION The findings demonstrated that NSAIDs administration decreased the biomechanical properties of healing bones after fracture surgery in comparison to the control group. Moreover, different effect on certain outcomes was detected among different sites, sex of the animals, and the time of assessment. TRIAL REGISTRATION Protocol published and registered in SYstematic Review Center for Laboratory animal Experimentation (SYRCLE) in 2017, https://www.radboudumc.nl/getmedia/757ec408-7a9e-4635-8233-ae951effea54/Non-Steroidal-Anti-inflammatory-Drugs-and-bone-healing-in-animal-Models-Systematic-Review-and-Meta-Analysis.aspx.
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Affiliation(s)
- Haider Al-Waeli
- Faculty of Dentistry, Dalhousie University, 5981 University Ave, Halifax, Nova Scotia, B3H 4R2, Canada.
| | - Ana Paula Reboucas
- Faculty of Dentistry, Federal University of Minas Gerais, Minas Gerais, Brazil
- College of Dental Medicine, Qatar University, University Street, Doha, Qatar
| | - Alaa Mansour
- School of Dental Medicine, University at Buffalo, Buffalo, NY, 14214, USA
| | - Martin Morris
- Schulich Library, McGill University, 2001 Avenue McGill College Suite 500, Montréal, QC, H3A 1G1, Canada
| | - Faleh Tamimi
- College of Dental Medicine, Qatar University, University Street, Doha, Qatar
| | - Belinda Nicolau
- Faculty of Dentistry, McGill University, 2001 Avenue McGill College Suite 500, Montréal, QC, H3A 1G1, Canada
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White AE, Henry JK, Dziadosz D. The Effect of Nonsteroidal Anti-inflammatory Drugs and Selective COX-2 Inhibitors on Bone Healing. HSS J 2021; 17:231-234. [PMID: 34421436 PMCID: PMC8361590 DOI: 10.1177/1556331621998634] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Accepted: 10/23/2020] [Indexed: 11/16/2022]
Abstract
A recently published study, "Risk of Nonunion With Nonselective NSAIDs, COX-2 Inhibitors, and Opioids" by George et al (J Bone Joint Surg Am. 2020;102:1230-1238), assesses whether the use of nonselective nonsteroidal anti-inflammatory drugs (NSAIDs), selective cyclooxygenase 2 (COX-2) enzyme inhibitors, or opioids was associated with a risk of long bone fracture nonunion in Optum's deidentified private health database. This review analyzes the study, including strengths, weaknesses, and areas for future research. The study found an association between COX-2 inhibitor and opioid use with fracture nonunion but not with nonselective NSAID use. Although the literature on this topic is varied, these results are at least partially aligned with several animal studies that show COX-2 inhibitors to be associated with fracture nonunion. The George et al study design has several important limitations, indicating that further research is needed on this topic.
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Affiliation(s)
- Alexander E. White
- Department of Orthopedic Surgery, Hospital for Special Surgery, New York, NY, USA,Alexander E. White, MD, Department of Orthopedic Surgery, Hospital for Special Surgery, 535 E 70th Street, New York, NY 10021, USA.
| | - Jensen K. Henry
- Department of Orthopedic Surgery, Hospital for Special Surgery, New York, NY, USA
| | - Daniel Dziadosz
- Department of Orthopedic Surgery, Hospital for Special Surgery, New York, NY, USA
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Reich KM, Viitanen P, Apu EH, Tangl S, Ashammakhi N. The Effect of Diclofenac Sodium-Loaded PLGA Rods on Bone Healing and Inflammation: A Histological and Histomorphometric Study in the Femur of Rats. MICROMACHINES 2020; 11:mi11121098. [PMID: 33322731 PMCID: PMC7764049 DOI: 10.3390/mi11121098] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 12/07/2020] [Accepted: 12/10/2020] [Indexed: 12/03/2022]
Abstract
Implants made of poly(lactide-co-glycolide) (PLGA) are biodegradable and frequently provoke foreign body reactions (FBR) in the host tissue. In order to modulate the inflammatory response of the host tissue, PLGA implants can be loaded with anti-inflammatory drugs. The aim of this study was to analyze the impact of PLGA 80/20 rods loaded with the diclofenac sodium (DS) on local tissue reactions in the femur of rats. Special emphasis was put on bone regeneration and the presence of multinucleated giant cells (MGCs) associated with FBR. PLGA 80/20 alone and PLGA 80/20 combined with DS was extruded into rods. PLGA rods loaded with DS (PLGA+DS) were implanted into the femora of 18 rats. Eighteen control rats received unloaded PLGA rods. The follow-up period was of 3, 6 and 12 weeks. Each group comprised of six rats. Peri-implant tissue reactions were histologically and histomorphometrically evaluated. The implantation of PLGA and PLGA+DS8 rods induced the formation of a layer of newly formed bone islands parallel to the contour of the implants. PLGA+DS rods tended to reduce the presence of multi-nucleated giant cells (MGCs) at the implant surface. Although it is known that the systemic administration of DS is associated with compromised bone healing, the local release of DS via PLGA rods did not have negative effects on bone regeneration in the femora of rats throughout 12 weeks.
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Affiliation(s)
- Karoline M. Reich
- Karl Donath Laboratory for Hard Tissue and Biomaterial Research, Division of Oral Surgery, University Clinic of Dentistry, Medical University of Vienna, 1090 Vienna, Austria;
- Austrian Cluster for Tissue Regeneration, 1200 Vienna, Austria
| | - Petrus Viitanen
- Institute of Biomaterials, Tampere University of Technology, 33101 Tampere, Finland;
| | - Ehsanul Hoque Apu
- Laboratory of Developmental Biology, Faculty of Biochemistry and Molecular Medicine, University of Oulu, 90220 Oulu, Finland;
- Institute for Quantitative Health Science and Engineering, Department of Biomedical Engineering, Michigan State University, East Lansing, MI 48824, USA
| | - Stefan Tangl
- Karl Donath Laboratory for Hard Tissue and Biomaterial Research, Division of Oral Surgery, University Clinic of Dentistry, Medical University of Vienna, 1090 Vienna, Austria;
- Austrian Cluster for Tissue Regeneration, 1200 Vienna, Austria
- Correspondence: (S.T.); (N.A.)
| | - Nureddin Ashammakhi
- Division of Plastic Surgery, Department of Surgery, Oulu University Hospital, 90220 Oulu, Finland
- Center for Minimally Invasive Therapeutics (C-MIT), University of California, Los Angeles, CA 90095, USA
- Department of Bioengineering, University of California, Los Angeles, CA 90095, USA
- Department of Biomedical Engineering, Michigan State University, East Lansing, MI 48824, USA
- Correspondence: (S.T.); (N.A.)
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10
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Wang R, Bathon JM, Ward MM. Nonsteroidal Antiinflammatory Drugs as Potential Disease-Modifying Medications in Axial Spondyloarthritis. Arthritis Rheumatol 2020; 72:518-528. [PMID: 31705611 PMCID: PMC7113090 DOI: 10.1002/art.41164] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Accepted: 11/07/2019] [Indexed: 12/17/2022]
Abstract
Nonsteroidal antiinflammatory drugs (NSAIDs) are the first-line pharmacotherapy for patients with axial spondyloarthritis (SpA). In recent years, treatment options have expanded with the availability of biologic agents, including tumor necrosis factor inhibitors and interleukin-17 inhibitors. However, a treatment strategy that clearly prevents syndesmophyte formation has not been established. Observational studies of patients with ankylosing spondylitis indicated potential disease-modifying effects of NSAIDs, but two randomized trials came to different conclusions. More broadly, whether any of the currently available medications for axial SpA have an effect on spine radiographic progression, beyond symptom control, remains inconclusive. In this article, we will review clinical studies of the disease modification effects of NSAIDs and biologics in axial SpA; examine genetic, animal, and clinical evidence of the effects of NSAIDs on bone formation; and discuss how future studies may investigate the question of disease modification in axial SpA.
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Affiliation(s)
- Runsheng Wang
- Columbia University College of Physicians and Surgeons, New York, New York
| | - Joan M Bathon
- Columbia University College of Physicians and Surgeons, New York, New York
| | - Michael M Ward
- National Institute of Arthritis and Musculoskeletal and Skin Diseases, NIH, Bethesda, Maryland
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Hjorthaug GA, Søreide E, Nordsletten L, Madsen JE, Reinholt FP, Niratisairak S, Dimmen S. Short-term perioperative parecoxib is not detrimental to shaft fracture healing in a rat model. Bone Joint Res 2019; 8:472-480. [PMID: 31728186 PMCID: PMC6825043 DOI: 10.1302/2046-3758.810.bjr-2018-0341.r1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Objectives Experimental studies indicate that non-steroidal anti-inflammatory drugs (NSAIDs) may have negative effects on fracture healing. This study aimed to assess the effect of immediate and delayed short-term administration of clinically relevant parecoxib doses and timing on fracture healing using an established animal fracture model. Methods A standardized closed tibia shaft fracture was induced and stabilized by reamed intramedullary nailing in 66 Wistar rats. A ‘parecoxib immediate’ (Pi) group received parecoxib (3.2 mg/kg bodyweight twice per day) on days 0, 1, and 2. A ‘parecoxib delayed’ (Pd) group received the same dose of parecoxib on days 3, 4, and 5. A control group received saline only. Fracture healing was evaluated by biomechanical tests, histomorphometry, and dual-energy x-ray absorptiometry (DXA) at four weeks. Results For ultimate bending moment, the median ratio between fractured and non-fractured tibia was 0.61 (interquartile range (IQR) 0.45 to 0.82) in the Pi group, 0.44 (IQR 0.42 to 0.52) in the Pd group, and 0.50 (IQR 0.41 to 0.75) in the control group (n = 44; p = 0.068). There were no differences between the groups for stiffness, energy, deflection, callus diameter, DXA measurements (n = 64), histomorphometrically osteoid/bone ratio, or callus area (n = 20). Conclusion This study demonstrates no negative effect of immediate or delayed short-term administration of parecoxib on diaphyseal fracture healing in rats. Cite this article: G. A. Hjorthaug, E. Søreide, L. Nordsletten, J. E. Madsen, F. P. Reinholt, S. Niratisairak, S. Dimmen. Short-term perioperative parecoxib is not detrimental to shaft fracture healing in a rat model. Bone Joint Res 2019;8:472–480. DOI: 10.1302/2046-3758.810.BJR-2018-0341.R1.
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Affiliation(s)
- G A Hjorthaug
- Department of Orthopedic Surgery, Martina Hansens Hospital, Sandvika, Norway; Institute of Clinical Medicine, Faculty of Medicine, University of Oslo (UIO), Oslo, Norway; Experimental Orthopedic Research, Institute for Surgical Research, Oslo University Hospital (OUS), Oslo, Norway
| | - E Søreide
- Division of Orthopedic Surgery, OUS, Oslo, Norway; Institute of Clinical Medicine, Faculty of Medicine, UIO, Oslo, Norway; Experimental Orthopedic Research, Institute for Surgical Research, OUS, Oslo, Norway
| | - L Nordsletten
- Division of Orthopedic Surgery, OUS, Oslo, Norway; Institute of Clinical Medicine, Faculty of Medicine, UIO, Oslo, Norway; Experimental Orthopedic Research, Institute for Surgical Research, OUS, Oslo, Norway
| | - J E Madsen
- Division of Orthopedic Surgery, OUS, Oslo, Norway; Institute of Clinical Medicine, Faculty of Medicine, UIO, Oslo, Norway; Experimental Orthopedic Research, Institute for Surgical Research, OUS, Oslo, Norway
| | | | - S Niratisairak
- Institute of Clinical Medicine, Faculty of Medicine, UIO, Oslo, Norway; Biomechanics Lab, Division of Orthopedic Surgery, OUS, Oslo, Norway
| | - S Dimmen
- Department of Orthopedic Surgery, Lovisenberg Diaconal Hospital, Oslo, Norway; Institute of Clinical Medicine, Faculty of Medicine, UIO, Oslo, Norway; Experimental Orthopedic Research, Institute for Surgical Research, OUS, Oslo, Norway
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12
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Zhang JR, Pang DD, Dai SM. Non-steroidal Anti-inflammatory Drugs Are Unlikely to Inhibit Radiographic Progression of Ankylosing Spondylitis: A Systematic Review. Front Med (Lausanne) 2019; 6:214. [PMID: 31637243 PMCID: PMC6788556 DOI: 10.3389/fmed.2019.00214] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 09/17/2019] [Indexed: 12/17/2022] Open
Abstract
Objective: To clarify if non-steroidal anti-inflammatory drugs (NSAIDs) could retard the disease progression of ankylosing spondylitis (AS). Methods: A systematic search of Embase, Pubmed, and the Cochrane Central Register of Controlled Trials (CCRCT) databases was conducted. Structural damage of AS was evaluated using spinal radiographs to assess modified Stoke Ankylosing Spondylitis Spine Score (mSASSS). Results: Five full-text papers (from 2 prospective and 2 retrospective studies) were included. Of the 4 studies deemed relevant, 3 reported no significant inhibition of spinal progression in AS patients treated continuously with NSAIDs, as determined by radiograph over 2-3 years. Only the 1st prospective randomized trial demonstrated that 2-year continuous use of celecoxib reduced mean changes in mSASSS of AS patients compared with on-demand treatment. However, the dosage difference of celecoxib between the two groups in the study seemed to be too small to elicit such differences in radiographic progression, while the therapy did not elicit any differences in disease activity, C-reactive protein (CRP) levels or global pain. Of the 3 studies that reported radiographic progression in the subgroup with elevated CRP, only post-hoc analysis of the 1st randomized study revealed that the patients treated continuously with NSAIDs had less radiological progression than those using on-demand NSAIDs. In 2 studies that reported radiographic progression in the patient subgroup with baseline syndesmophytes, both reported that there was no significant inhibition of progression of mSASSS in patients who had received continuous NSAID treatment compared with patients given on-demand NSAIDs. Conclusion: The available evidence suggests that NSAIDs are unable to delay radiographic progression of AS even in patients with elevated CRP levels.
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Affiliation(s)
- Jing-Ru Zhang
- Department of Rheumatology & Immunology, First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
| | - Dan-Dan Pang
- Department of Rheumatology & Immunology, Changhai Hospital, Second Military Medical University, Shanghai, China
| | - Sheng-Ming Dai
- Department of Rheumatology & Immunology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
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13
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Gallaher HM, Butler JR, Wills RW, Priddy LB, Elder SH, Heller SM, Brinkman E, Baumgartner W. Effects of short- and long-term administration of nonsteroidal anti-inflammatory drugs on osteotomy healing in dogs. Vet Surg 2019; 48:1318-1329. [PMID: 31291009 DOI: 10.1111/vsu.13282] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Revised: 04/17/2019] [Accepted: 06/18/2019] [Indexed: 12/17/2022]
Abstract
OBJECTIVE To determine the influence of short-term administration of carprofen on bone healing in dogs. STUDY DESIGN Randomized controlled experimental study. ANIMALS Eighteen purpose-bred sexually mature hound dogs. METHODS Tibial osteotomies were performed, and dogs were divided into three groups: no carprofen (n = 6), 2-week administration of carprofen at 2.2 mg/kg twice daily (n = 6), and 8-week administration of carprofen at 2.2 mg/kg twice daily (n = 5). Bone healing was evaluated radiographically at 4 and 8 weeks postoperatively. Postmortem, fracture healing was assessed via biomechanical testing (three-point bending), histological cartilage:callus ratio, and bone mineral density (BMD) with quantitative computed tomography. RESULTS No biomechanical difference was detected between dogs that received no carprofen and those that received 2 weeks of carprofen or between those that received 2 weeks vs 8 weeks of carprofen. Stiffness (P = .035) and maximum stress (P = .042) were higher in dogs that received no carprofen than in those that received 8 weeks of carprofen. Radiographic healing did not differ between dogs without carprofen and those with 2-week administration of carprofen (P = .9923). However, tibias of dogs without carprofen and those with 2-week administration of carprofen were more healed compared with those in the 8-week-carprofen group at 4 and 8 weeks after surgery (P = .0011). No treatment effect was detected by cartilage:callus ratio or BMD. CONCLUSION Long-term administration of carprofen had a negative effect on bone healing compared with short-term or no administration of carprofen. CLINICAL SIGNIFICANCE Nonsteroidal anti-inflammatory drugs should be used cautiously in dogs at risk for delayed bone healing, and administration should be discontinued beyond the perioperative period in dogs with fractures or osteotomies.
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Affiliation(s)
- Hayley M Gallaher
- Department of Clinical Sciences, College of Veterinary Medicine, Mississippi State University, Mississippi State, Mississippi
| | - James R Butler
- Department of Clinical Sciences, College of Veterinary Medicine, Mississippi State University, Mississippi State, Mississippi
| | - Robert W Wills
- Department of Pathobiology and Population Medicine, College of Veterinary Medicine, Mississippi State University, Mississippi State, Mississippi
| | - Lauren B Priddy
- Department of Agricultural and Biological Engineering, Bagley College of Engineering, Mississippi State University, Mississippi State, Mississippi
| | - Steven H Elder
- Department of Agricultural and Biological Engineering, Bagley College of Engineering, Mississippi State University, Mississippi State, Mississippi
| | - Sarah M Heller
- Department of Agricultural and Biological Engineering, Bagley College of Engineering, Mississippi State University, Mississippi State, Mississippi
| | - Erin Brinkman
- Department of Clinical Sciences, College of Veterinary Medicine, Mississippi State University, Mississippi State, Mississippi
| | - Wes Baumgartner
- Department of Pathobiology and Population Medicine, College of Veterinary Medicine, Mississippi State University, Mississippi State, Mississippi
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14
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Claus CF, Lytle E, Tong D, Sigler D, Lago D, Bahoura M, Dosanjh A, Lawless M, Slavnic D, Kelkar P, Houseman C, Bono P, Richards B, Soo TM. The effect of ketorolac on posterior thoracolumbar spinal fusions: a prospective double-blinded randomised placebo-controlled trial protocol. BMJ Open 2019; 9:e025855. [PMID: 30670528 PMCID: PMC6347897 DOI: 10.1136/bmjopen-2018-025855] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
INTRODUCTION Ketorolac has been shown to provide quality postoperative pain control and decrease opioid requirement with minimal side effects following spinal surgery. However, the literature addressing its use in spinal fusions is highly variable in both its effectiveness and complications, such as pseudarthrosis. Recent literature postulates that ketorolac may not affect fusion rates and large randomised controlled trials are needed to demonstrate ketorolac as a safe and effective adjuvant treatment to opioids for postoperative pain control. METHODS AND ANALYSIS This is a multihospital, prospective, double-blinded, randomised placebo-controlled trial. Data concerning fusion rates, postoperative opioid use, pain scores, length of stay will be recorded with the aim of demonstrating that the use of ketorolac does not decrease thoracolumbar spinal fusion rates while identifying possible adverse events related to short-term minimal effective dose compared with placebo. Additionally, this investigation aims to demonstrate a decrease in postoperative opioid use demonstrated by a decrease in morphine equivalence while showing equivalent postoperative pain control and decrease the average length of stay. ETHICS AND DISSEMINATION Ethical approval was obtained at all participating hospitals by the institutional review board. The results of this study will be submitted for publication in peer-reviewed journals. TRIAL REGISTRATION NUMBER NCT03278691.
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Affiliation(s)
- Chad F Claus
- Division of Neurosurgery, Department of Surgery, Ascension Providence Hospital, Michigan State University, College of Human Medicine, Southfield, Michigan, USA
| | - Evan Lytle
- Division of Neurosurgery, Department of Surgery, Ascension Providence Hospital, Michigan State University, College of Human Medicine, Southfield, Michigan, USA
| | - Doris Tong
- Division of Neurosurgery, Department of Surgery, Ascension Providence Hospital, Michigan State University, College of Human Medicine, Southfield, Michigan, USA
| | - Diana Sigler
- Department of Pharmacy, Ascension Providence Hospital, Southfield, Michigan, USA
| | - Dominick Lago
- Division of Neuro-anesthesia, Department of Anesthesia, Ascension Providence Hospital, Michigan State University, College of Human Medicine, Southfield, Michigan, USA
| | - Matthew Bahoura
- Division of Neurosurgery, Department of Surgery, Ascension Providence Hospital, Michigan State University, College of Human Medicine, Southfield, Michigan, USA
| | - Amarpal Dosanjh
- Division of Neurosurgery, Department of Surgery, Ascension Providence Hospital, Michigan State University, College of Human Medicine, Southfield, Michigan, USA
| | - Michael Lawless
- Division of Neurosurgery, Department of Surgery, Ascension Providence Hospital, Michigan State University, College of Human Medicine, Southfield, Michigan, USA
| | - Dejan Slavnic
- Division of Neurosurgery, Department of Surgery, Ascension Providence Hospital, Michigan State University, College of Human Medicine, Southfield, Michigan, USA
| | - Prashant Kelkar
- Division of Neurosurgery, Department of Surgery, Ascension Providence Hospital, Michigan State University, College of Human Medicine, Southfield, Michigan, USA
| | - Clifford Houseman
- Division of Neurosurgery, Department of Surgery, Ascension Providence Hospital, Michigan State University, College of Human Medicine, Southfield, Michigan, USA
| | - Peter Bono
- Division of Neurosurgery, Department of Surgery, Ascension Providence Hospital, Michigan State University, College of Human Medicine, Southfield, Michigan, USA
| | - Boyd Richards
- Division of Neurosurgery, Department of Surgery, Ascension Providence Hospital, Michigan State University, College of Human Medicine, Southfield, Michigan, USA
| | - Teck M Soo
- Division of Neurosurgery, Department of Surgery, Ascension Providence Hospital, Michigan State University, College of Human Medicine, Southfield, Michigan, USA
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15
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Comparison of the Effects of Two Different Analgesics on Bone Regeneration During Mandibular Distraction Osteogenesis. J Craniofac Surg 2018; 30:e80-e85. [PMID: 30507875 DOI: 10.1097/scs.0000000000005000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
INTRODUCTION Mandibular distraction osteogenesis (DO) is frequently used in the management of bone defects and craniofacial deformities, with analgesics commonly administered to relieve acute postoperative pain. This experimental animal study investigated the effects of 2 analgesics, acetaminophen and acemetacin, on bone regeneration after DO. MATERIALS AND METHODS This study was conducted with 14 mature male New Zealand rabbits (2.8-3.2 kg) randomized into 2 groups of 7. Mandibular osteotomies were performed under optimal operating conditions, and a custom-made distractor was applied to the mandible of each subject, with distraction initiated after a 5-day latency period at a rate of 1.0 mm/d (2 × 0.5 mm/d) for 10 days. Analgesics were administered via oral gavage during the latency period and for the first 5 days of the distraction period for 10 days in total, with group I receiving acetaminophen (200 mg/kg/d) and group II receiving acemetacin (5 mg/kg/d). Subjects were sacrificed and their mandibles dissected at the end of 4 weeks postoperatively. Bone mineral density (BMD) and bone mineral content (BMC) were measured using dual-energy X-ray absorptiometry (DEXA), and histomorphometric analysis was performed to evaluate the quality of newly formed bone. Paired group comparisons of non-normally distributed numerical variables were made using the Mann-Whitney U test, with a P value of <0.05 considered statistically significant. RESULTS No significant differences in BMC and BMD values of intact bone, newly formed bone, or bone around the pin site were observed between the 2 groups. Histometric analysis also indicated acetaminophen and acemetacin to have similar effects on bone regeneration during distraction. CONCLUSION Acemetacin may be an alternative to acetaminophen for treating pain associated with DO, given the similarities in the effects of the 2 analgesics on bone regeneration. However, this finding should be supported by further experimental and human studies.
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16
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McDonald E, Winters B, Nicholson K, Shakked R, Raikin S, Pedowitz DI, Daniel JN. Effect of Postoperative Ketorolac Administration on Bone Healing in Ankle Fracture Surgery. Foot Ankle Int 2018; 39:1135-1140. [PMID: 29972028 DOI: 10.1177/1071100718782489] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND In an effort to minimize narcotic analgesia and its potential side effects, anti-inflammatory agents offer great potential provided they do not interfere with bone healing. The safety of ketorolac administration after foot and ankle surgery has not been well defined in the current literature. The purpose of this study was to report clinical healing and radiographic outcomes for patients treated with a perioperative ketorolac regimen after open reduction and internal fixation (ORIF) of ankle fractures. METHODS A retrospective review was performed on all patients that received perioperative ketorolac at the time of lateral malleolar, bimalleolar, and trimalleolar ankle ORIF by a single surgeon between 2010 and 2016 with minimum 4 months follow-up. Patients received 20 tablets of 10 mg ketorolac Q6 hours. Radiographs were evaluated independently by 2 blinded fellowship-trained orthopedic foot and ankle surgeons to assess for radiographic healing. A total of 281 patients were included, with a median age of 51 years and 138 males (47%). Statistical analysis consisted of a linear mixed-effects regression. RESULTS In all, 265/281 (94%) were clinically healed within 12 weeks and 261/281 (92%) were radiographically healed within 12 weeks. Within the group of patients that did not heal within 12 weeks, mean time to clinical healing was 16.9 weeks (range = 14-25 weeks), and mean time to radiographic healing was 17.1 weeks (range = 14-25 weeks). In patients taking ketorolac, there were no cases of nonunion in our series (n = 281) and no significant difference found between fracture patterns and healing or complications ( P = .500). CONCLUSIONS Perioperative ketorolac use was associated with a high rate of fracture union by 12 weeks. This is the first study to examine the effect of ketorolac on radiographic time to union of ankle fractures. Additional studies are necessary to determine whether ketorolac helps reduce opioid consumption and improve pain following ORIF of ankle fractures. LEVEL OF EVIDENCE Level IV, case series.
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Affiliation(s)
- Elizabeth McDonald
- 1 The Rothman Institute, Philadelphia, PA, USA.,2 Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA
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17
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Borgeat A, Ofner C, Saporito A, Farshad M, Aguirre J. The effect of nonsteroidal anti-inflammatory drugs on bone healing in humans: A qualitative, systematic review. J Clin Anesth 2018; 49:92-100. [PMID: 29913395 DOI: 10.1016/j.jclinane.2018.06.020] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Revised: 05/29/2018] [Accepted: 06/08/2018] [Indexed: 11/26/2022]
Abstract
STUDY OBJECTIVE Nonsteroidal anti-inflammatory drugs (NSAIDs) are widely used in postoperative pain management. While an increasing number of in vitro and animal studies point toward an inhibitory effect of NSAIDs on bone healing process, the few existing retro- and prospective clinical studies present conflicting data. DESIGN The aim of this qualitative, systematic review was to investigate the impact of perioperative use of NSAIDs in humans on postoperative fracture/spinal fusion healing compared to other used analgesics measured as fracture nonunion with radiological control. PATIENTS/INTERVENTIONS We performed a systematic literature search of the last 38 years using PubMed Embase and the Cochrane Controlled Trials Register including retro- and prospective clinical, human trials assessing the effect of NSAIDs on postoperative fracture/spinal fusion healing when used for perioperative pain management with a radiological follow up to assess eventual nonunion. Due to different study designs, drugs, dosages/exposition times and different methods to assess fracture nonunion, these studies were not pooled for a meta-analysis. A descriptive summary of all studies, level of evidence, study quality and study bias assessment using different scores were used. MAIN RESULTS Three prospective randomized controlled studies and thirteen retrospective cohort human studies were identified for a total of 12'895 patients. The overall study quality was low according to Jadad and Oxford Levels of Evidence scores. CONCLUSIONS Published results of human trials did not show strong evidence that NDAIDs for pain therapy after fracture osteosynthesis or spinal fusion lead to an increased nonunion rate. Reviewed studies present such conflicting data, that no clinical recommendation can be made regarding the appropriate use of NSAIDs in this context. Considering laboratory data of animal, human tissue research and recommendation of clinical reviews, a short perioperative exposition to NSAIDs is most likely not deleterious. However, randomized, controlled studies are warranted to support or refute this hypothesis.
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Affiliation(s)
- Alain Borgeat
- Department of Anesthesiology, Balgrist University Hospital, Zurich, Switzerland.
| | - Christian Ofner
- Department of Anesthesiology, Balgrist University Hospital, Zurich, Switzerland
| | - Andrea Saporito
- Service of Anaesthesiology, Bellinzona Regional Hospital, Bellinzona, Switzerland
| | - Mazda Farshad
- Spine Surgery, Balgrist University Hospital Zurich, Switzerland
| | - José Aguirre
- Department of Anesthesiology, Balgrist University Hospital, Zurich, Switzerland
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18
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Riggin CN, Qu F, Kim DH, Huegel J, Steinberg DR, Kuntz AF, Soslowsky LJ, Mauck RL, Bernstein J. Electrospun PLGA Nanofiber Scaffolds Release Ibuprofen Faster and Degrade Slower After In Vivo Implantation. Ann Biomed Eng 2017; 45:2348-2359. [PMID: 28653294 DOI: 10.1007/s10439-017-1876-7] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Accepted: 06/15/2017] [Indexed: 01/04/2023]
Abstract
While delayed delivery of non-steroidal anti-inflammatory drugs (NSAIDs) has been associated with improved tendon healing, early delivery has been associated with impaired healing. Therefore, NSAID use is appropriate only if the dose, timing, and mode of delivery relieves pain but does not impede tissue repair. Because delivery parameters can be controlled using drug-eluting nanofibrous scaffolds, our objective was to develop a scaffold for local controlled release of ibuprofen (IBP), and characterize the release profile and degradation both in vitro and in vivo. We found that when incubated in vitro in saline, scaffolds containing IBP had a linear release profile. However, when implanted subcutaneously in vivo or when incubated in vitro in serum, scaffolds showed a rapid burst release. These data demonstrate that scaffold properties are dependent on the environment in which they are placed and the importance of using serum, rather than saline, for initial in vitro evaluation of biofactor release from biodegradable scaffolds.
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Affiliation(s)
- Corinne N Riggin
- Translational Musculoskeletal Research Center, Corporal Michael J. Crescenz Philadelphia VA Medical Center, 3900 University & Woodland Avenue, Philadelphia, PA, 19104, USA.,McKay Orthopaedic Research Lab, University of Pennsylvania, 424 Stemmler Hall, 36th Street & Hamilton Walk, Philadelphia, PA, 19104, USA.,Department of Bioengineering, University of Pennsylvania, Suite 240 Skirkanich Hall, 210 South 33rd Street, Philadelphia, PA, 19104, USA
| | - Feini Qu
- Translational Musculoskeletal Research Center, Corporal Michael J. Crescenz Philadelphia VA Medical Center, 3900 University & Woodland Avenue, Philadelphia, PA, 19104, USA.,McKay Orthopaedic Research Lab, University of Pennsylvania, 424 Stemmler Hall, 36th Street & Hamilton Walk, Philadelphia, PA, 19104, USA.,School of Veterinary Medicine, University of Pennsylvania, 3800 Spruce Street, Philadelphia, PA, 19104, USA
| | - Dong Hwa Kim
- Translational Musculoskeletal Research Center, Corporal Michael J. Crescenz Philadelphia VA Medical Center, 3900 University & Woodland Avenue, Philadelphia, PA, 19104, USA.,McKay Orthopaedic Research Lab, University of Pennsylvania, 424 Stemmler Hall, 36th Street & Hamilton Walk, Philadelphia, PA, 19104, USA
| | - Julianne Huegel
- Translational Musculoskeletal Research Center, Corporal Michael J. Crescenz Philadelphia VA Medical Center, 3900 University & Woodland Avenue, Philadelphia, PA, 19104, USA.,McKay Orthopaedic Research Lab, University of Pennsylvania, 424 Stemmler Hall, 36th Street & Hamilton Walk, Philadelphia, PA, 19104, USA
| | - David R Steinberg
- Translational Musculoskeletal Research Center, Corporal Michael J. Crescenz Philadelphia VA Medical Center, 3900 University & Woodland Avenue, Philadelphia, PA, 19104, USA.,McKay Orthopaedic Research Lab, University of Pennsylvania, 424 Stemmler Hall, 36th Street & Hamilton Walk, Philadelphia, PA, 19104, USA
| | - Andrew F Kuntz
- Translational Musculoskeletal Research Center, Corporal Michael J. Crescenz Philadelphia VA Medical Center, 3900 University & Woodland Avenue, Philadelphia, PA, 19104, USA.,McKay Orthopaedic Research Lab, University of Pennsylvania, 424 Stemmler Hall, 36th Street & Hamilton Walk, Philadelphia, PA, 19104, USA
| | - Louis J Soslowsky
- Translational Musculoskeletal Research Center, Corporal Michael J. Crescenz Philadelphia VA Medical Center, 3900 University & Woodland Avenue, Philadelphia, PA, 19104, USA.,McKay Orthopaedic Research Lab, University of Pennsylvania, 424 Stemmler Hall, 36th Street & Hamilton Walk, Philadelphia, PA, 19104, USA.,Department of Bioengineering, University of Pennsylvania, Suite 240 Skirkanich Hall, 210 South 33rd Street, Philadelphia, PA, 19104, USA
| | - Robert L Mauck
- Translational Musculoskeletal Research Center, Corporal Michael J. Crescenz Philadelphia VA Medical Center, 3900 University & Woodland Avenue, Philadelphia, PA, 19104, USA.,McKay Orthopaedic Research Lab, University of Pennsylvania, 424 Stemmler Hall, 36th Street & Hamilton Walk, Philadelphia, PA, 19104, USA.,Department of Bioengineering, University of Pennsylvania, Suite 240 Skirkanich Hall, 210 South 33rd Street, Philadelphia, PA, 19104, USA
| | - Joseph Bernstein
- Translational Musculoskeletal Research Center, Corporal Michael J. Crescenz Philadelphia VA Medical Center, 3900 University & Woodland Avenue, Philadelphia, PA, 19104, USA. .,McKay Orthopaedic Research Lab, University of Pennsylvania, 424 Stemmler Hall, 36th Street & Hamilton Walk, Philadelphia, PA, 19104, USA.
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19
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Mills L, Tsang J, Hopper G, Keenan G, Simpson AHRW. The multifactorial aetiology of fracture nonunion and the importance of searching for latent infection. Bone Joint Res 2016; 5:512-519. [PMID: 27784669 PMCID: PMC5108351 DOI: 10.1302/2046-3758.510.bjr-2016-0138] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Objectives A successful outcome following treatment of nonunion requires the correct identification of all of the underlying cause(s) and addressing them appropriately. The aim of this study was to assess the distribution and frequency of causative factors in a consecutive cohort of nonunion patients in order to optimise the management strategy for individual patients presenting with nonunion. Methods Causes of the nonunion were divided into four categories: mechanical; infection; dead bone with a gap; and host. Prospective and retrospective data of 100 consecutive patients who had undergone surgery for long bone fracture nonunion were analysed. Results A total of 31% of patients had a single attributable cause, 55% had two causes, 14% had three causes and 1% had all four. Of those (31%) with only a single attributable cause, half were due to a mechanical factor and a quarter had dead bone with a gap. Mechanical causation was found in 59% of all patients, dead bone and a gap was present in 47%, host factors in 43% and infection was a causative factor in 38% of patients. In all, three of 58 patients (5%) thought to be aseptic and two of nine (22%) suspected of possible infection were found to be infected. A total of 100% of previously treated patients no longer considered to have ongoing infection, had multiple positive microbiology results. Conclusion Two thirds of patients had multiple contributing factors for their nonunion and 5% had entirely unexpected infection. This study highlights the importance of identifying all of the aetiological factors and routinely testing tissue for infection in treating nonunion. It raises key points regarding the inadequacy of a purely radiographic nonunion classification system and the variety of different definitions for atrophic nonunion in the current mainstream classifications used for nonunion. Cite this article: L. Mills, J. Tsang, G. Hopper, G. Keenan, A. H. R. W. Simpson. The multifactorial aetiology of fracture nonunion and the importance of searching for latent infection. Bone Joint Res 2016;5:512–519. DOI: 10.1302/2046-3758.510.BJR-2016-0138.
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Affiliation(s)
- L Mills
- Royal Aberdeen Children's Hospital, Aberdeen, UK
| | - J Tsang
- Department of Orthopaedic Surgery, University of Edinburgh, Chancellor's building, 49 Little France Crescent, Edinburgh, EH16 4SB
| | - G Hopper
- West of Scotland, Glasgow Royal Infirmary, Glasgow, UK
| | - G Keenan
- Department of Orthopaedic Surgery, Royal Infirmary of Edinburgh, 51 Little France Crescent, Old Dalkeith Road, Edinburgh, EH16 4SA, UK
| | - A H R W Simpson
- Department of Orthopaedic Surgery, Royal Infirmary of Edinburgh, 51 Little France Crescent, Old Dalkeith Road, Edinburgh, EH16 4SA, UK
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20
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Steiger C, Uchiyama K, Takagi T, Mizushima K, Higashimura Y, Gutmann M, Hermann C, Botov S, Schmalz HG, Naito Y, Meinel L. Prevention of colitis by controlled oral drug delivery of carbon monoxide. J Control Release 2016; 239:128-36. [PMID: 27578097 DOI: 10.1016/j.jconrel.2016.08.030] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Revised: 08/22/2016] [Accepted: 08/24/2016] [Indexed: 01/03/2023]
Abstract
Carbon monoxide (CO) is an endogenous signal transmitter involved in numerous physiological processes including the gastrointestinal (GI) homeostasis. CO has been recognized as potential new therapeutic agent for motility related and inflammatory disorders of the GI tract. A therapeutic use, however, is challenged by inappropriate drug delivery modes. Here we describe a micro scale Oral Carbon Monoxide Release System (M-OCORS) designed for localized and controlled exposure of the GI tract with in situ generated CO. M-OCORS allowed for controlled release profiles lasting for several minutes or up to almost one day. These in vitro release profiles translated into a large pharmacokinetic design space following oral administration in mice and measured as CO-hemoglobin (CO-Hb) formation. M-OCORS with a release profile featuring exposure of the intestine was profiled in two independently performed studies demonstrating preventive effects in chemically induced colitis. M-OCORS significantly reduced damage scores and prevented upregulation of colitis biomarkers.
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Affiliation(s)
- Christoph Steiger
- Institute for Pharmacy and Food Chemistry, University of Wuerzburg, Am Hubland, 97074 Wuerzburg, Germany
| | - Kazuhiko Uchiyama
- Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan
| | - Tomohisa Takagi
- Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan
| | - Katsura Mizushima
- Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan
| | - Yasuki Higashimura
- Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan
| | - Marcus Gutmann
- Institute for Pharmacy and Food Chemistry, University of Wuerzburg, Am Hubland, 97074 Wuerzburg, Germany
| | - Cornelius Hermann
- Institute for Pharmacy and Food Chemistry, University of Wuerzburg, Am Hubland, 97074 Wuerzburg, Germany
| | - Svetlana Botov
- Department of Chemistry, University of Cologne, Greinstrasse 4, 50939 Koeln, Germany
| | - Hans-Günther Schmalz
- Department of Chemistry, University of Cologne, Greinstrasse 4, 50939 Koeln, Germany
| | - Yuji Naito
- Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan
| | - Lorenz Meinel
- Institute for Pharmacy and Food Chemistry, University of Wuerzburg, Am Hubland, 97074 Wuerzburg, Germany.
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Zhang W, Li X, Comes Franchini M, Xu K, Locatelli E, Martin RC, Monaco I, Li Y, Cui S. Controlled release of curcumin from curcumin-loaded nanomicelles to prevent peritendinous adhesion during Achilles tendon healing in rats. Int J Nanomedicine 2016; 11:2873-81. [PMID: 27382278 PMCID: PMC4922763 DOI: 10.2147/ijn.s103867] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
We introduced curcumin-loaded nanomicelles into a tendon-healing model to evaluate their effects on tendon healing and adhesion. Three groups consisting of 36 rats underwent rupture and repair of the Achilles tendon. The treatment group received an injection of curcumin-loaded nanomicelles (gold nanorods [GNRs]-1/curcumin in polymeric nanomicelles [curc@PMs] at a dosage of 0.44 mg curcumin/kg in 0.1 mL saline) into the surgical site and exposed to laser postoperatively at weeks 1, 2, and 3, for three times 10 seconds each, on the surgical site in the rats that underwent tendon rupture and repair, while the other two groups received 0.44 mg curcumin/kg in 0.1 mL saline and 0.1 mL of saline, respectively. The specimens were harvested at 4 weeks and subjected to biomechanical and histological evaluation. The scoring results of tendon adhesion indicated that GNRs-1/curc@PMs group was in the lowest grade of peritendinous adhesions compared to the other groups. Histological assessment further confirmed the preventive effect of GNRs-1/curc@PMs on tendon adhesion. These findings indicated greater tendon strength with less adhesion in the group treated with GNRs-1/curc@PMs combined with laser exposure, and that nanoparticle-based therapy may be applied to prevent adhesion in clinical patients.
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Affiliation(s)
- Weizhong Zhang
- Department of Hand Surgery, China-Japan Union Hospital, Jilin University, Changchun, People's Republic of China
| | - Xuanyi Li
- Division of Surgical Oncology, Department of Surgery, University of Louisville School of Medicine, Louisville, KY, USA
| | - Mauro Comes Franchini
- Department of Industrial Chemistry "Toso Montanari", University of Bologna, Bologna, Italy
| | - Ke Xu
- Department of Hand Surgery, China-Japan Union Hospital, Jilin University, Changchun, People's Republic of China
| | - Erica Locatelli
- Department of Industrial Chemistry "Toso Montanari", University of Bologna, Bologna, Italy
| | - Robert C Martin
- Division of Surgical Oncology, Department of Surgery, University of Louisville School of Medicine, Louisville, KY, USA
| | - Ilaria Monaco
- Department of Industrial Chemistry "Toso Montanari", University of Bologna, Bologna, Italy
| | - Yan Li
- Division of Surgical Oncology, Department of Surgery, University of Louisville School of Medicine, Louisville, KY, USA
| | - Shusen Cui
- Department of Hand Surgery, China-Japan Union Hospital, Jilin University, Changchun, People's Republic of China
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Carprofen neither reduces postoperative facial expression scores in rabbits treated with buprenorphine nor alters long term bone formation after maxillary sinus grafting. Res Vet Sci 2016; 107:123-131. [PMID: 27473985 DOI: 10.1016/j.rvsc.2016.05.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2015] [Revised: 05/10/2016] [Accepted: 05/22/2016] [Indexed: 11/24/2022]
Abstract
In connection with bilateral maxillary sinus augmentation, the acute effects of the nonsteroidal anti-inflammatory drug carprofen on facial expressions and long-term effects on bone formation were evaluated in 18 male New Zealand White rabbits. A 10×10mm bone window was drilled in the maxilla, the sinus membrane elevated and a titanium mini-implant inserted. One of two test materials was randomly inserted unilaterally and bovine bone chips (control) on the contralateral side in the created space. Rabbits were randomly allocated to receive buprenorphine plus carprofen (n=9) or buprenorphine plus saline (n=9) postoperatively. Buprenorphine was administered subcutaneously every 6h for 3days in a tapered dose (0.05-0.01mg/kg) and carprofen (5mg/kg) or saline administered subcutaneously 1h before, and daily for 4days postoperatively. To assess pain, clinical examination, body weight recording and scoring of facial expressions from photos taken before, and 6-13h after surgery were performed. Twelve weeks after surgery the rabbits were euthanized and sections of maxillary bones and sinuses were analysed with histomorphometry and by qualitative histology. Carprofen had no effect on mean facial expression scores, which increased from 0.0 to 3.6 (carprofen) and 4.3 (saline), of a maximum of 8.0. Neither did carprofen have an effect on bone formation or implant incorporation, whereas the test materials had. In conclusion, treatment with 5mg/kg carprofen once daily for 5days did not reduce facial expression scores after maxillary sinus augmentation in buprenorphine treated rabbits and did not affect long term bone formation.
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Alves CJ, Neto E, Sousa DM, Leitão L, Vasconcelos DM, Ribeiro-Silva M, Alencastre IS, Lamghari M. Fracture pain-Traveling unknown pathways. Bone 2016; 85:107-14. [PMID: 26851411 DOI: 10.1016/j.bone.2016.01.026] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2015] [Revised: 12/14/2015] [Accepted: 01/08/2016] [Indexed: 12/15/2022]
Abstract
An increase of fracture incidence is expected for the next decades, mostly due to the undeniable increase of osteoporotic fractures, associated with the rapid population ageing. The rise in sports-related fractures affecting the young and active population also contributes to this increased fracture incidence, and further amplifies the economical burden of fractures. Fracture often results in severe pain, which is a primary symptom to be treated, not only to guarantee individual's wellbeing, but also because an efficient management of fracture pain is mandatory to ensure proper bone healing. Here, we review the available data on bone innervation and its response to fracture, and discuss putative mechanisms of fracture pain signaling. In addition, the common therapeutic approaches to treat fracture pain are discussed. Although there is still much to learn, research in fracture pain has allowed an initial insight into the mechanisms involved. During the inflammatory response to fracture, several mediators are released and will putatively activate and sensitize primary sensory neurons, in parallel, intense nerve sprouting that occurs in the fracture callus area is also suggested to be involved in pain signaling. The establishment of hyperalgesia and allodynia after fracture indicates the development of peripheral and central sensitization, still, the underlying mechanisms are largely unknown. A major concern during the treatment of fracture pain needs to be the preservation of proper bone healing. However, the most common therapeutic agents, NSAIDS and opiates, can cause significant side effects that include fracture repair impairment. The understanding of the mechanisms of fracture pain signaling will allow the development of mechanisms-based therapies to effectively and safely manage fracture pain.
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Affiliation(s)
- Cecília J Alves
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; Instituto de Engenharia Biomédica (INEB), Universidade do Porto, Rua Alfredo Allen, 208, 4150-180 Porto, Portugal
| | - Estrela Neto
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; Instituto de Engenharia Biomédica (INEB), Universidade do Porto, Rua Alfredo Allen, 208, 4150-180 Porto, Portugal; Faculdade de Medicina, Universidade do Porto (FMUP), Alameda Professor Hernâni Monteiro, 4200-319 Porto, Portugal
| | - Daniela M Sousa
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; Instituto de Engenharia Biomédica (INEB), Universidade do Porto, Rua Alfredo Allen, 208, 4150-180 Porto, Portugal
| | - Luís Leitão
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; Instituto de Engenharia Biomédica (INEB), Universidade do Porto, Rua Alfredo Allen, 208, 4150-180 Porto, Portugal; Instituto Ciências Biomédicas Abel Salazar (ICBAS), Universidade de Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - Daniel M Vasconcelos
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; Instituto de Engenharia Biomédica (INEB), Universidade do Porto, Rua Alfredo Allen, 208, 4150-180 Porto, Portugal; Instituto Ciências Biomédicas Abel Salazar (ICBAS), Universidade de Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - Manuel Ribeiro-Silva
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; Instituto de Engenharia Biomédica (INEB), Universidade do Porto, Rua Alfredo Allen, 208, 4150-180 Porto, Portugal; Faculdade de Medicina, Universidade do Porto (FMUP), Alameda Professor Hernâni Monteiro, 4200-319 Porto, Portugal; Serviço de Ortopedia e Traumatologia, Centro Hospitalar São João, Alameda Professor Hernâni Monteiro, 4200-319 Porto, Portugal
| | - Inês S Alencastre
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; Instituto de Engenharia Biomédica (INEB), Universidade do Porto, Rua Alfredo Allen, 208, 4150-180 Porto, Portugal
| | - Meriem Lamghari
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; Instituto de Engenharia Biomédica (INEB), Universidade do Porto, Rua Alfredo Allen, 208, 4150-180 Porto, Portugal; Instituto Ciências Biomédicas Abel Salazar (ICBAS), Universidade de Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal.
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Lee S, Nemeño JGE, Lee JI. Repositioning Bevacizumab: A Promising Therapeutic Strategy for Cartilage Regeneration. TISSUE ENGINEERING PART B-REVIEWS 2016; 22:341-357. [PMID: 26905221 DOI: 10.1089/ten.teb.2015.0300] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Drug discovery and development has been garnering an increasing trend of research due to the growing incidence of the diverse types of diseases. Recently, drug repositioning, also known as drug repurposing, has been emerging parallel to cancer and tissue engineering studies. Drug repositioning involves the application of currently approved or even abandoned drugs as alternative treatments to other diseases or as biomaterials in other fields including cell therapy and tissue engineering. In this review, the advancement of the antiangiogenesis drugs that were used as treatment for cancer and other diseases, with particular focus on bevacizumab, will be described. This will include an overview of the nature and progression of osteoarthritis (OA), one of the leading global degenerative diseases that cause morbidity, and the development of its therapeutic strategies. In addition, this will also feature the nonsteroidal anti-inflammatory drugs that are commonly prescribed for OA and the benefits of repositioning bevacizumab as alternative treatments for other diseases and as biomaterials for cartilage regeneration. To date, a few number of studies, employing different modes of administration and varying dosages in diverse animal models, have shown that bevacizumab can be used as a signal and can promote both in vitro and in vivo cartilage regeneration. However, other antiangiogenesis drugs and their effects in chondrogenesis and cartilage regeneration are also worth investigating.
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Affiliation(s)
- Soojung Lee
- 1 Regenerative Medicine Laboratory, Department of Biomedical Science and Technology, Center for Stem Cell Research, Institute of Biomedical Science & Technology, Konkuk University , Seoul, Republic of Korea
| | - Judee Grace E Nemeño
- 1 Regenerative Medicine Laboratory, Department of Biomedical Science and Technology, Center for Stem Cell Research, Institute of Biomedical Science & Technology, Konkuk University , Seoul, Republic of Korea
| | - Jeong Ik Lee
- 1 Regenerative Medicine Laboratory, Department of Biomedical Science and Technology, Center for Stem Cell Research, Institute of Biomedical Science & Technology, Konkuk University , Seoul, Republic of Korea.,2 Deparment of Veterinary Medicine, College of Veterinary Medicine, Konkuk University , Seoul, Republic of Korea
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Arantes RVN, Cestari TM, Viscelli BA, Dionísio TJ, Garlet GP, Santos CF, de Assis GF, Taga R. Meloxicam temporally inhibits the expression of vascular endothelial growth factor receptor (VEGFR)-1 and VEGFR-2 during alveolar bone repair in rats. J Periodontol 2016; 86:162-72. [PMID: 25327303 DOI: 10.1902/jop.2014.140259] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
BACKGROUND Vascular endothelial growth factor (VEGF) plays an important role during angiogenesis and bone repair. This study investigated whether the use of meloxicam alters bone repair via downregulation of VEGF and receptor expression. METHODS One hundred twenty male Wistar rats had their maxillary right incisor extracted. Animals were divided into a control group (CG; n = 60) and a meloxicam-treated group (TG; n = 60) that received either a single daily intraperitoneal injection of 0.9% NaCl or meloxicam 3 mg/kg, respectively, for 7 consecutive days. Alveolar bone repair was evaluated histomorphometrically, whereas VEGF and its receptors were analyzed by immunohistochemistry and quantitative polymerase chain reaction (qPCR). Data were submitted to two-way analysis of variance and Tukey post hoc test with P < 0.05. RESULTS Bone volume density increased significantly (P = 0.001) in both groups with a strong correlation between treatment and periods (P = 0.003). In the TG, a small amount of bone formation occurred compared with the CG between 3 and 21 days. No significant differences in the number of VEGF-positive cells per square millimeter (P = 0.07) and VEGF messenger RNA (mRNA) expression (P = 0.49) were found between groups. Immunostained cells per square millimeter and mRNA expression for VEGF receptor (VEGFR)-1 (P = 0.04 and P < 0.001) and VEGFR-2 (P < 0.001 for both analysis) showed a strong interaction between treatment groups and periods. In the TG, immunostained cells per square millimeter and mRNA expression for VEGFR-1 were, respectively, 89% and 37% lower from 3 to 10 days compared with the CG, whereas for VEGFR-2, these values were 252% and 60%, respectively, from 3 to 7 days. CONCLUSION In rat alveolar bone repair, meloxicam did not affect VEGF expression but downregulated VEGFR expression, which may cause a delay in the bone repair/remodeling process.
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Wang Z, Bhattacharyya T. Trends of non-union and prescriptions for non-steroidal anti-inflammatory drugs in the United States, 1993-2012. Acta Orthop 2015; 86:632-7. [PMID: 25761793 PMCID: PMC4564789 DOI: 10.3109/17453674.2015.1028860] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND AND PURPOSE Surgical care and pain management for patients with fractures have evolved over the years. We wanted to ascertain if there were any changes in the incidence of non-unions and, if so, whether the use of non-steroidal anti-inflammatory drugs (NSAIDs), including COX-2 selective inhibitors, might have an effect. PATIENTS AND METHODS We used the National Inpatient Sample (NIS) to estimate the annual number of patients hospitalized for surgical treatment of a non-union between 1993 and 2012, and calculated age-adjusted rates of non-union. We estimated the prevalence of prescriptions for NSAIDs from 1996 through 2012 using the Medical Expenditure Panel Survey (MEPS). The interrupted time-series analysis was used to relate quarterly rates of non-union to changes in prescriptions for NSAIDs between 1996 and 2009. RESULTS The annual estimate of non-unions in the USA declined 30% from 25,634 in 1993 to 17,815 in 2012 (p < 0.001). Specifically, the age-adjusted rate of non-unions decreased by 44% from 8.6 per 10(5) persons in 1996 to 4.8 per 10(5) persons in 2012 (p < 0.001). However, there was an 8% increase in the incidence rate of non-unions (p = 0.003) between 2000 and 2004, when certain COX-2 selective inhibitors were on the market and their prescriptions were prevalent at around 6% among those with fractures. A drop in non-union estimates from 22,321 in 2010 to 18,789 in 2011 (p = 0.04) also coincided with a marked decrease in prescriptions for NSAIDs in patients with fractures, from 22% to 14% (p = 0.02). INTERPRETATION Non-unions in the USA declined substantially between 1993 and 2012, but this was interrupted by changes in prescriptions for NSAIDs, with sustained increases between 2000 and 2004 followed by transient decreases in 2005 and 2011.
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Affiliation(s)
- Zhong Wang
- Section of Clinical and Investigative Orthopedics, Clinical Trials and Outcomes Branch, Intramural Research Program, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, USA
| | - Timothy Bhattacharyya
- Section of Clinical and Investigative Orthopedics, Clinical Trials and Outcomes Branch, Intramural Research Program, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, USA
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Abstract
STUDY DESIGN Prospective in vivo rodent model of bone morphogenetic protein (BMP)-induced inflammation. OBJECTIVE To evaluate the effects of the coadministration of the nonsteroidal anti-inflammatory drug, diclofenac, on BMP-induced inflammation using our rodent model. SUMMARY OF BACKGROUND DATA The use of BMP-2 is associated with inflammation in the neck and back. We have previously reported on a rodent model of BMP-2-induced inflammation. METHODS Seven treatment groups were: Surgery alone; absorbable collagen sponges (ACS) alone; 20 μg rhBMP-2 on ACS with no diclofenac; 20 μg rhBMP-2 on ACS+50 mg diclofenac injections; 20 μg rhBMP-2 on ACS+75 mg diclofenac; 20 μg rhBMP-2 on ACS+100 mg diclofenac; and 20 μg rhBMP-2 on ACS+125 mg diclofenac. Using magnetic resonance imaging, inflammation (soft tissue edema volume) was assessed at 3 hours and at 2, 7, and 14 days after implantation. Western blot analysis, histology, and immunohistochemical staining were performed to compare the inflammatory response between groups. The mass size and tissue density of bone formation were compared between groups using plain radiography. RESULTS Soft-tissue edema volumes in all diclofenac-treated groups were significantly lower than those observed in the rhBMP-2 alone. There was no significant difference in soft tissue edema volumes between 4 diclofenac-treated groups. The expression of NF-κB signaling pathway related proteins (p65 and p-p65) were increased in the rhBMP-2+ACS group and decreased in diclofenac treatment groups. Histological findings and immunohistochemical staining were consistent with the Western blot results. There was no significant difference between the rhBMP-2+ACS group and diclofenac treatment groups in terms of the mass size and tissue density of bone formation. CONCLUSION Coadministration of diclofenac sodium can reduce the inflammatory response to BMP-2 without impairing heterotopic bone formation in our rodent model of BMP-2-induced inflammation. LEVEL OF EVIDENCE N/A.
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28
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Lybrand K, Bragdon B, Gerstenfeld L. Mouse models of bone healing: fracture, marrow ablation, and distraction osteogenesis. ACTA ACUST UNITED AC 2015; 5:35-49. [PMID: 25727199 DOI: 10.1002/9780470942390.mo140161] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Three commonly used murine surgical models of bone healing [closed fracture with intramedullary fixation, distraction osteogenesis (DO), and marrow ablation by reaming] are presented. Detailed surgical protocols for each model are outlined. The nature of the regenerative processes and the types of research questions that may be addressed with these models are briefly outlined. The relative strengths and weaknesses of these models are compared to a number of other surgical models that are used to address similar research questions.
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Affiliation(s)
- Kyle Lybrand
- Orthopaedic Research Laboratory, Boston University School of Medicine, Boston, Massachusetts.,Department of Orthopaedic Surgery, Boston Medical Center, Boston, Massachusetts
| | - Beth Bragdon
- Orthopaedic Research Laboratory, Boston University School of Medicine, Boston, Massachusetts
| | - Louis Gerstenfeld
- Orthopaedic Research Laboratory, Boston University School of Medicine, Boston, Massachusetts
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Epstein M, Rodan I, Griffenhagen G, Kadrlik J, Petty M, Robertson S, Simpson W. 2015 AAHA/AAFP Pain Management Guidelines for Dogs and Cats*. J Am Anim Hosp Assoc 2015; 51:67-84. [DOI: 10.5326/jaaha-ms-7331] [Citation(s) in RCA: 104] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Epstein ME, Rodanm I, Griffenhagen G, Kadrlik J, Petty MC, Robertson SA, Simpson W. 2015 AAHA/AAFP pain management guidelines for dogs and cats. J Feline Med Surg 2015; 17:251-72. [PMID: 25701863 PMCID: PMC11148887 DOI: 10.1177/1098612x15572062] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/10/2024]
Abstract
RATIONALE The robust advances in pain management for companion animals underlie the decision of the American Animal Hospital Association (AAHA) and American Association of Feline Practitioners (AAFP) to expand on the information provided in the 2007 AAHA/AAFP Pain Management Guidelines. The 2015 Guidelines summarize and offer a discriminating review of much of this new knowledge. RELEVANCE Pain management is central to veterinary practice, alleviating pain, improving patient outcomes, and enhancing both quality of life and the veterinarian-client-patient relationship. These Guidelines support veterinarians in incorporating pain management into practice, improving patient care. APPROACHES The management of pain requires a continuum of care that includes anticipation, early intervention, and evaluation of response on an individual patient basis. A team-oriented approach, including the owner, is essential for maximizing the recognition, prevention and treatment of pain in animals. EVIDENCE BASE The Guidelines include both pharmacologic and non-pharmacologic modalities to manage pain; they are evidence-based insofar as possible and otherwise represent a consensus of expert opinion. Behavioral changes are currently the principal indicator of pain and its course of improvement or progression, and the basis for recently validated pain scores. Post-surgical pain is eminently predictable but a strong body of evidence exists supporting strategies to mitigate adaptive as well as maladaptive forms. Chronic pain is dominated by degenerative joint disease (DJD), which is one of the most significant and under-diagnosed diseases of cats and dogs. DJD is ubiquitous, found in pets of all ages, and inevitably progresses over time; evidence-based strategies for management are established in dogs, and emerging in cats.
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Affiliation(s)
- Mark E Epstein
- TotalBond Veterinary Hospitals PC, 3200 Union Road, Gastonia, NC 28056, USA
| | - Ilona Rodanm
- Cat Care Clinic and Feline-Friendly Consultations, 322 Junction Road, Madison, WI 53717, USA
| | - Gregg Griffenhagen
- Colorado State University School of Veterinary Medicine, 300 West Drake Road, Fort Collins, CO 80523, USA
| | - Jamie Kadrlik
- Pet Crossing Animal Hospital and Dental Clinic, 10861 Bloomington Ferry Road, Bloomington, MN 55438, USA
| | - Michael C Petty
- Arbor Pointe Veterinary Hospital/Animal Pain Center, 42043 Ford Road, Canton, MI 48187, USA
| | - Sheilah A Robertson
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing, MI 48824, USA
| | - Wendy Simpson
- Morrisville Cat Hospital, 100 Keybridge Drive, Suite A, Morrisville, NC 27560, USA
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Connizzo BK, Yannascoli SM, Tucker JJ, Caro AC, Riggin CN, Mauck RL, Soslowsky LJ, Steinberg DR, Bernstein J. The detrimental effects of systemic Ibuprofen delivery on tendon healing are time-dependent. Clin Orthop Relat Res 2014; 472:2433-9. [PMID: 23982408 PMCID: PMC4079885 DOI: 10.1007/s11999-013-3258-2] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Current clinical treatment after tendon repairs often includes prescribing NSAIDs to limit pain and inflammation. The negative influence of NSAIDs on bone repair is well documented, but their effects on tendon healing are less clear. While NSAIDs may be detrimental to early tendon healing, some evidence suggests that they may improve healing if administered later in the repair process. QUESTIONS/PURPOSES We asked whether the biomechanical and histologic effects of systemic ibuprofen administration on tendon healing are influenced by either immediate or delayed drug administration. METHODS After bilateral supraspinatus detachment and repair surgeries, rats were divided into groups and given ibuprofen orally for either Days 0 to 7 (early) or Days 8 to 14 (delayed) after surgery; a control group did not receive ibuprofen. Healing was evaluated at 1, 2, and 4 weeks postsurgery through biomechanical testing and histologic assessment. RESULTS Biomechanical evaluation resulted in decreased stiffness and modulus at 4 weeks postsurgery for early ibuprofen delivery (mean ± SD [95% CI]: 10.8 ± 6.4 N/mm [6.7-14.8] and 8.9 ± 5.9 MPa [5.4-12.3]) when compared to control repair (20.4 ± 8.6 N/mm [16.3-24.5] and 15.7 ± 7.5 MPa [12.3-19.2]) (p = 0.003 and 0.013); however, there were no differences between the delayed ibuprofen group (18.1 ± 7.4 N/mm [14.2-22.1] and 11.5 ± 5.6 MPa [8.2-14.9]) and the control group. Histology confirmed mechanical results with reduced fiber reorganization over time in the early ibuprofen group. CONCLUSIONS Early administration of ibuprofen in the postoperative period was detrimental to tendon healing, while delayed administration did not affect tendon healing. CLINICAL RELEVANCE Historically, clinicians have often prescribed ibuprofen after tendon repair, but this study suggests that the timing of ibuprofen administration is critical to adequate tendon healing. This research necessitates future clinical studies investigating the use of ibuprofen for pain control after rotator cuff repair and other tendon injuries.
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Affiliation(s)
- Brianne K. Connizzo
- McKay Orthopaedic Research Laboratory, University of Pennsylvania, 424 Stemmler Hall, 34th and Hamilton Walk, Philadelphia, PA 19104 USA
| | - Sarah M. Yannascoli
- McKay Orthopaedic Research Laboratory, University of Pennsylvania, 424 Stemmler Hall, 34th and Hamilton Walk, Philadelphia, PA 19104 USA
| | - Jennica J. Tucker
- McKay Orthopaedic Research Laboratory, University of Pennsylvania, 424 Stemmler Hall, 34th and Hamilton Walk, Philadelphia, PA 19104 USA
| | - Adam C. Caro
- McKay Orthopaedic Research Laboratory, University of Pennsylvania, 424 Stemmler Hall, 34th and Hamilton Walk, Philadelphia, PA 19104 USA
| | - Corinne N. Riggin
- McKay Orthopaedic Research Laboratory, University of Pennsylvania, 424 Stemmler Hall, 34th and Hamilton Walk, Philadelphia, PA 19104 USA
| | - Robert L. Mauck
- McKay Orthopaedic Research Laboratory, University of Pennsylvania, 424 Stemmler Hall, 34th and Hamilton Walk, Philadelphia, PA 19104 USA
| | - Louis J. Soslowsky
- McKay Orthopaedic Research Laboratory, University of Pennsylvania, 424 Stemmler Hall, 34th and Hamilton Walk, Philadelphia, PA 19104 USA
| | | | - Joseph Bernstein
- Philadelphia Veterans Affairs Medical Center, Philadelphia, PA USA
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Al-Sebaei MO, Daukss DM, Belkina AC, Kakar S, Wigner NA, Cusher D, Graves D, Einhorn T, Morgan E, Gerstenfeld LC. Role of Fas and Treg cells in fracture healing as characterized in the fas-deficient (lpr) mouse model of lupus. J Bone Miner Res 2014; 29:1478-91. [PMID: 24677136 PMCID: PMC4305200 DOI: 10.1002/jbmr.2169] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2013] [Revised: 12/10/2013] [Accepted: 12/28/2013] [Indexed: 11/09/2022]
Abstract
Previous studies showed that loss of tumor necrosis factor α (TNFα) signaling delayed fracture healing by delaying chondrocyte apoptosis and cartilage resorption. Mechanistic studies showed that TNFα induced Fas expression within chondrocytes; however, the degree to which chondrocyte apoptosis is mediated by TNFα alone or dependent on the induction of Fas is unclear. This question was addressed by assessing fracture healing in Fas-deficient B6.MRL/Fas(lpr) /J mice. Loss of Fas delayed cartilage resorption but also lowered bone fraction in the calluses. The reduced bone fraction was related to elevated rates of coupled bone turnover in the B6.MRL/Fas(lpr) /J calluses, as evidenced by higher osteoclast numbers and increased osteogenesis. Analysis of the apoptotic marker caspase 3 showed fewer positive chondrocytes and osteoclasts in calluses of B6.MRL/Fas(lpr) /J mice. To determine if an active autoimmune state contributed to increased bone turnover, the levels of activated T cells and Treg cells were assessed. B6.MRL/Fas(lpr) /J mice had elevated Treg cells in both spleens and bones of B6.MRL/Fas(lpr) /J but decreased percentage of activated T cells in bone tissues. Fracture led to ∼30% to 60% systemic increase in Treg cells in both wild-type and B6.MRL/Fas(lpr) /J bone tissues during the period of cartilage formation and resorption but either decreased (wild type) or left unchanged (B6.MRL/Fas(lpr) /J) the numbers of activated T cells in bone. These results show that an active autoimmune state is inhibited during the period of cartilage resorption and suggest that iTreg cells play a functional role in this process. These data show that loss of Fas activity specifically in chondrocytes prolonged the life span of chondrocytes and that Fas synergized with TNFα signaling to mediate chondrocyte apoptosis. Conversely, loss of Fas systemically led to increased osteoclast numbers during later periods of fracture healing and increased osteogenesis. These findings suggest that retention of viable chondrocytes locally inhibits osteoclast activity or matrix proteolysis during cartilage resorption.
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Affiliation(s)
- Maisa O Al-Sebaei
- Orthopaedic Research Laboratory, Boston University School of Medicine, Boston, MA, USA; King Abdul Aziz University, Faculty of Dentistry, Department of Oral and Maxillofacial Surgery, Jeddah, Saudi Arabia
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Proffen BL, Nielson JH, Zurakowski D, Micheli LJ, Curtis C, Murray MM. The Effect of Perioperative Ketorolac on the Clinical Failure Rate of Meniscal Repair. Orthop J Sports Med 2014; 2. [PMID: 25401118 PMCID: PMC4228481 DOI: 10.1177/2325967114529537] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
Background: There has been recent interest in the effect of nonsteroidal anti-inflammatory medications on musculoskeletal healing. No studies have yet addressed the effect of these medications on meniscal healing. Hypothesis: The administration of ketorolac in the perioperative period will result in higher rates of meniscal repair clinical failure. Study design: Cohort study; Level of evidence, 3. Methods: A total of 110 consecutive patients underwent meniscal repair at our institution between August 1998 and July 2001. Three patients were lost to follow-up, and the remaining 107 (mean age, 15.9 ± 4.4 years) had a minimum 5-year follow-up (mean follow-up, 5.5 years). Thirty-two patients (30%) received ketorolac perioperatively. The primary outcome measure was reoperation for continued symptoms of meniscal pathology. Asymptomatic patients were evaluated by the International Knee Documentation Committee (IKDC) Subjective Knee Form, Short Form–36 (SF-36) Health Survey, and Knee Outcome Osteoarthritis Score (KOOS). Results: Kaplan-Meier survivorship revealed no difference in reoperation rates with and without the administration of perioperative ketorolac (P = .95). There was an overall failure rate of 35% (37/107 patients), with a 34% failure rate in patients receiving ketorolac (11/32 patients). Multivariable Cox regression confirmed that age, duration of symptoms, meniscal tear type, fixation technique, concurrent anterior cruciate ligament repair, and ketorolac usage did not have an impact on the rate of failure (P > .05 for all; ketorolac use, P > .50). Female sex (P = .04) and medial location (P = .01) were predictive of an increased risk for reoperation. Conclusion: Failure of meniscal repair was not altered with the administration of perioperative ketorolac. Further work studying the effects of longer term anti-inflammatory use after meniscal repair is necessary before stating that this class of medications has no effect on meniscal healing. Clinical Relevance: Results of this study suggest that nonsteroidal anti-inflammatory ketorolac can be administered perioperatively during a meniscal repair procedure to harness its benefits of decreased narcotic requirement, decreased pain, and shorter length of hospital stay without negatively influencing the long-term outcome of the surgery.
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Affiliation(s)
- Benedikt L. Proffen
- Division of Sports Medicine, Department of Orthopaedic Surgery, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Jason H. Nielson
- Division of Sports Medicine, Department of Orthopaedic Surgery, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - David Zurakowski
- Division of Sports Medicine, Department of Orthopaedic Surgery, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Lyle J. Micheli
- Division of Sports Medicine, Department of Orthopaedic Surgery, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Christine Curtis
- Division of Sports Medicine, Department of Orthopaedic Surgery, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Martha M. Murray
- Division of Sports Medicine, Department of Orthopaedic Surgery, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
- Martha M. Murray, MD, Department of Orthopaedic Surgery, Children’s Hospital of Boston, 300 Longwood Avenue, Boston, MA 02115, USA (e-mail: )
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Fracture healing and lipid mediators. BONEKEY REPORTS 2014; 3:517. [PMID: 24795811 DOI: 10.1038/bonekey.2014.12] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2013] [Accepted: 01/03/2014] [Indexed: 01/11/2023]
Abstract
Lipid mediators regulate bone regeneration during fracture healing. Prostaglandins and leukotrienes are well-known lipid mediators that regulate inflammation and are synthesized from the Ω-6 fatty acid, arachidonic acid. Cyclooxygenase (COX-1 or COX-2) and 5-lipoxygenase (5-LO) catalyze the initial enzymatic steps in the synthesis of prostaglandins and leukotrienes, respectively. Inhibition or genetic ablation of COX-2 activity impairs fracture healing in animal models. Genetic ablation of COX-1 does not affect the fracture callus strength in mice, suggesting that COX-2 activity is primarily responsible for regulating fracture healing. Inhibition of cyclooxygenase activity with nonsteroidal anti-inflammatory drugs (NSAIDs) is performed clinically to reduce heterotopic ossification, although clinical evidence that NSAID treatment impairs fracture healing remains controversial. In contrast, inhibition or genetic ablation of 5-LO activity accelerates fracture healing in animal models. Even though prostaglandins and leukotrienes regulate inflammation, loss of COX-2 or 5-LO activity appears to primarily affect chondrogenesis during fracture healing. Prostaglandin or prostaglandin analog treatment, prostaglandin-specific synthase inhibition and prostaglandin or leukotriene receptor antagonism also affect callus chondrogenesis. Unlike the Ω-6-derived lipid mediators, lipid mediators derived from Ω-3 fatty acids, such as resolvin E1 (RvE1), have anti-inflammatory activity. In vivo, RvE1 can inhibit osteoclastogenesis and limit bone resorption. Although Ω-6 and Ω-3 lipid mediators have clear-cut effects on inflammation, the role of these lipid mediators in bone regeneration is more complex, with apparent effects on callus chondrogenesis and bone remodeling.
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Effect of recombinant human bone morphogenetic protein-2 and Ling Zhi-8 on osteogenesis: a comparative study using a rabbit sinus model. J Oral Maxillofac Surg 2014; 72:1703.e1-1703.e10. [PMID: 24836420 DOI: 10.1016/j.joms.2014.02.037] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2013] [Revised: 02/27/2014] [Accepted: 02/27/2014] [Indexed: 11/20/2022]
Abstract
PURPOSE This study evaluated the osteogenetic capability of Ling Zhi-8 (LZ-8; a protein purified from traditional Chinese medicine [lingzhi]) compared with recombinant human bone morphogenic protein-2 (rhBMP-2) in a standardized bony defect using a rabbit sinus model. MATERIALS AND METHODS Twelve male New Zealand white rabbits (18 to 24 weeks old, 3.3 to 3.8 kg) were included in the study. Implants of normal saline 0.1 mg, rhBMP-2 0.1 mg, and LZ-8 0.1 mg were each mixed with a uniform biodegradable polyurethane-based material (Nasopore). The implants were inserted in a standardized bony defect of the nasal bone created by a 2.5-mm trephine bur. The rabbits were sacrificed at 1, 2, 4, and 8 weeks postoperatively. Volume computerized tomographic and histomorphometric examinations were used to evaluate the quantity and quality of regenerated bone. RESULTS At postoperative week 4, radiography showed that the new bone volume was significantly larger in the rhBMP-2 group compared with the LZ-8 group (P = .041) and the control group (P = .015). Histomorphometrically, better wound healing of the rhBMP-2 group was found during the healing phase compared with the other 2 groups. CONCLUSION The biomaterial implants using rhBMP-2 and LZ-8 had good biocompatibility and osteogenetic capabilities in the rabbit sinus model. Bone healing in rhBMP-2-treated defects was excellent and showed a significant difference compared with LZ-8. However, LZ-8-treated defects also exhibited bone regeneration, and this traditional Chinese medicine may possess osteogenic potential. Further investigations of the mechanism and application of this protein in osteogenesis are needed.
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Oh N, Kim S, Hosoya K, Okumura M. Compensatory cellular reactions to nonsteroidal anti-inflammatory drugs on osteogenic differentiation in canine bone marrow-derived mesenchymal stem cells. J Vet Med Sci 2014; 76:629-36. [PMID: 24419976 PMCID: PMC4073330 DOI: 10.1292/jvms.13-0482] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
The suppressive effects of nonsteroidal anti-inflammatory drugs (NSAIDs) on the
bone healing process have remained controversial, since no clinical data have clearly
shown the relationship between NSAIDs and bone healing. The aim of this study was to
assess the compensatory response of canine bone marrow-derived mesenchymal stem cells
(BMSCs) to several classes of NSAIDs, including carprofen, meloxicam, indomethacin and
robenacoxib, on osteogenic differentiation. Each of the NSAIDs (10 µM)
was administered during 20 days of the osteogenic process with human recombinant IL-1β (1
ng/ml) as an inflammatory stimulator. Gene expression
of osteoblast differentiation markers (alkaline phosphatase and osteocalcin), receptors of
PGE2 (EP2 and EP4) and enzymes for prostaglandin (PG) E2 synthesis (COX-1,
COX-2, cPGES and mPGES-1) was measured by using quantitative reverse
transcription-polymerase chain reaction. Protein production levels of alkaline
phosphatase, osteocalcin and PGE2 were quantified using an alkaline phosphatase
activity assay, osteocalcin immunoassay and PGE2 immunoassay, respectively.
Histologic analysis was performed using alkaline phosphatase staining, von Kossa staining
and alizarin red staining. Alkaline phosphatase and calcium deposition were suppressed by
all NSAIDs. However, osteocalcin production showed no significant suppression by NSAIDs.
Gene expression levels of PGE2-related receptors and enzymes were upregulated
during continuous treatment with NSAIDs, while certain channels for PGE2
synthesis were utilized differently depending on the kind of NSAIDs. These data suggest
that canine BMSCs have a compensatory mechanism to restore PGE2 synthesis,
which would be an intrinsic regulator to maintain differentiation of osteoblasts under
NSAID treatment.
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Affiliation(s)
- Namgil Oh
- Laboratory of Veterinary Surgery, Department of Veterinary Clinical Sciences, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan
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Abstract
The most common procedure that has been developed for use in rats and mice to model fracture healing is described. The nature of the regenerative processes that may be assessed and the types of research questions that may be addressed with this model are briefly outlined. The detailed surgical protocol to generate closed simple transverse fractures is presented, and general considerations when setting up an experiment using this model are described.
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De Luna-Bertos E, Ramos-Torrecillas J, García-Martínez O, Guildford A, Santin M, Ruiz C. Therapeutic doses of nonsteroidal anti-inflammatory drugs inhibit osteosarcoma MG-63 osteoblast-like cells maturation, viability, and biomineralization potential. ScientificWorldJournal 2013; 2013:809891. [PMID: 24170983 PMCID: PMC3793504 DOI: 10.1155/2013/809891] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2013] [Accepted: 08/14/2013] [Indexed: 01/22/2023] Open
Abstract
Nonsteroidal anti-inflammatory drugs (NSAIDs) are frequently used to reduce pain and inflammation. However, their effect on bone metabolisms is not well known, and results in the literature are contradictory. The present study focusses on the effect of dexketoprofen, ketorolac, metamizole, and acetylsalicylic acid, at therapeutic doses, on different biochemical and phenotypic pathways in human osteoblast-like cells. Osteoblasts (MG-63 cell line) were incubated in culture medium with 1-10 μM of dexketoprofen, ketorolac, metamizole, and acetylsalicylic acid. Flow cytometry was used to study antigenic profile and phagocytic activity. The osteoblastic differentiation was evaluated by mineralization and synthesis of collagen fibers by microscopy and alkaline phosphatase activity (ALP) by spectrophotometric assay. Short-term treatment with therapeutic doses of NSAIDs modulated differentiation, antigenic profile, and phagocyte activity of osteoblast-like cells. The treatment reduced ALP synthesis and matrix mineralization. However, nonsignificant differences were observed on collagen syntheses after treatments. The percentage of CD54 expression was increased with all treatments. CD80, CD86, and HLA-DR showed a decreased expression, which depended on NSAID and the dose applied. The treatments also decreased phagocyte activity in this cellular population. The results of this paper provide evidences that NSAIDs inhibit the osteoblast differentiation process thus reducing their ability to produce new bone mineralized extracellular matrix.
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Affiliation(s)
- E. De Luna-Bertos
- Department of Nursing, Faculty of Health Sciences, University of Granada, Avenida Madrid s/n, 18071 Granada, Spain
| | - J. Ramos-Torrecillas
- Department of Nursing, Faculty of Health Sciences, University of Granada, Avenida Madrid s/n, 18071 Granada, Spain
| | - O. García-Martínez
- Department of Nursing, Faculty of Health Sciences, University of Granada, Avenida Madrid s/n, 18071 Granada, Spain
| | - A. Guildford
- School of Pharmacy & Biomolecular Science, University of Brighton, Huxlye Building, Moulsecoomb, Brighton BN2 4G1, UK
| | - M. Santin
- School of Pharmacy & Biomolecular Science, University of Brighton, Huxlye Building, Moulsecoomb, Brighton BN2 4G1, UK
| | - C. Ruiz
- Department of Nursing, Faculty of Health Sciences, University of Granada, Avenida Madrid s/n, 18071 Granada, Spain
- Institute of Neurosciences, Faculty of Medicine, University of Granada, Granada Health-Science Technology Park, 18100 Armilla, Granada, Spain
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Lozada-Gallegos AR, Letechipia-Moreno J, Palma-Lara I, Montero AA, Rodríguez G, Castro-Muñozledo F, Cornejo-Cortés MA, Juárez-Mosqueda ML. Development of a bone nonunion in a noncritical segmental tibia defect model in sheep utilizing interlocking nail as an internal fixation system. J Surg Res 2013; 183:620-8. [DOI: 10.1016/j.jss.2013.02.060] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2012] [Revised: 02/20/2013] [Accepted: 02/28/2013] [Indexed: 11/25/2022]
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Abstract
BACKGROUND Nonsteroidal anti-inflammatory drugs (NSAIDs) are effective at controlling pain in children, especially in the treatment of fractures. Adult animal and adult clinical studies demonstrate conflicting evidence for the inhibitory relationship between NSAIDs and fracture healing. Published pediatric orthopaedic clinical studies do not demonstrate an inhibitory effect of ketorolac on bone healing. Little is known about the effects of any NSAID on bone formation in juvenile animals. This study investigates the effects of the NSAID ketorolac on fracture healing in a juvenile rat model. METHODS Unilateral surgically induced and stabilized tibial shaft fractures were created in 45 juvenile (3 to 4 wk old) male Sprague-Dawley rats. Either ketorolac (5 mg/kg; n=24) or saline (0.9% normal saline; n=21) was then administered to the rats 6 d/wk by intraperitoneal injections. Animals were then randomly assigned into time groups and euthanized at 7 days (n=8 ketorolac, n=7 saline), 14 days (n=8 ketorolac, n=7 saline), or 21 days (n=8 ketorolac, n=7 saline) postfracture. Biomechanical analysis was performed using a custom-designed 4-point bending loading apparatus. Statistics for tibial stiffness and strength data were performed using software package Systat 11. Specimens were also evaluated histologically using hematoxylin and eosin staining. RESULTS Strength and stiffness of all fractured tibiae increased over time from day 7 to day 21 regardless of treatment type. No statistical difference was found between the fractured tibiae strength or stiffness in the ketorolac or control-treated specimens at the same time point. In addition, the quality of the fracture callus was similar in both groups at each of the time points. CONCLUSIONS In this study of a juvenile rat model with a stabilized tibia fracture, fracture callus strength, stiffness, and histologic characteristics were not affected by the administration of ketorolac during the first 21 days of fracture healing. CLINICAL RELEVANCE The absence of inhibitory effects of ketorolac on early juvenile rat fracture healing supports the clinical practice of utilizing NSAIDs for analgesia in children with long bone fractures.
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The growing role of eicosanoids in tissue regeneration, repair, and wound healing. Prostaglandins Other Lipid Mediat 2013; 104-105:130-8. [PMID: 23727457 DOI: 10.1016/j.prostaglandins.2013.05.002] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2013] [Revised: 04/14/2013] [Accepted: 05/08/2013] [Indexed: 11/21/2022]
Abstract
Tissue repair and regeneration are essential processes in maintaining tissue homeostasis, especially in response to injury or stress. Eicosanoids are ubiquitous mediators of cell proliferation, differentiation, and angiogenesis, all of which are important for tissue growth. Eicosanoids regulate the induction and resolution of inflammation that accompany the tissue response to injury. In this review, we describe how this diverse group of molecules is a key regulator of tissue repair and regeneration in multiple organ systems and biologic contexts.
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The effect of nonsteroidal anti-inflammatory drugs on tissue healing. Knee Surg Sports Traumatol Arthrosc 2013; 21:540-9. [PMID: 22744434 DOI: 10.1007/s00167-012-2095-2] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2012] [Accepted: 06/04/2012] [Indexed: 01/29/2023]
Abstract
PURPOSE Non-selective (NSAIDs) and selective (COX-2) nonsteroidal anti-inflammatory drugs are commonly used for their analgesic and anti-inflammatory effects. Their role after orthopaedic surgery has been infrequently described and remains controversial because of unclear effects on soft tissue and bone healing. This study critically reviews the available literature to describe the effects of NSAIDs and COX-2 inhibitors on soft tissue and bone healing. METHODS A Medline search was performed using NSAIDs or COX-2 inhibitors and tissue healing. The combined search yielded 637 articles. Following exclusion, 44 articles were deemed relevant with 9 articles on soft tissue healing and 35 articles on bone healing. The available evidence is based primarily on animal data (39 studies), with considerable variation in study methods. RESULTS In regard to soft tissue healing, there is insufficient evidence of a detrimental effect when using either NSAIDs or COX-2 inhibitors at standard doses for ≤2 weeks. For soft tissue to bone healing, a limited number of studies demonstrate impairment in healing. However, with respect to bone healing, indomethacin appears to have a clear detrimental effect, with less substantial evidence for other NSAIDs. CONCLUSIONS Short-term, low-dose use of NSAIDs and COX-2 inhibitors does not appear to have a detrimental effect following soft tissue injury, but is inhibitory in cases involving bony healing. However, additional well-controlled human studies are necessary to draw more definitive conclusions regarding their role. Clinically, the prudent use of anti-inflammatory medications following sports medicine injuries and surgeries appears to be a reasonable option in clinical practice unless bone healing is required. LEVEL OF EVIDENCE III.
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Oteo-Álvaro Á, Marín MT. Nonunion of the humeral shaft successfully treated with teriparatide [rh (1-34) PTH]. ACTA ACUST UNITED AC 2013. [DOI: 10.4236/crcm.2013.21004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Li KH, Cheng L, Zhu Y, Deng GB, Long HT. Effects of a selective cyclooxygenase-2 inhibitor (celecoxib) on fracture healing in rats. Indian J Orthop 2013; 47:395-401. [PMID: 23960285 PMCID: PMC3745695 DOI: 10.4103/0019-5413.114930] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND Several studies suggested that celecoxib interferes with bone healing while others contradict these findings. This study was conducted to investigate the effects of celecoxib on bone healing in rats femur mold with a dose based on body surface area conversion. MATERIALS AND METHODS 72 adult female Sprague Dawley rats were randomly divided into three groups after the internal fixation operation of nondisplaced transverse mid diaphyseal fractures of the right femurs. Each group was treated with 1% methylcellulose, celecoxib (21 mg/kg/d) for 1 week, or celecoxib (21 mg/kg/d) for 4 weeks after surgeries respectively. Bone healing scores and callus formation were evaluated by radiographs at 3, 4, 6 weeks after surgeries. Half of these rats were sacrificed for histological analysis at 4 weeks after surgery. The remaining fractured femurs were evaluated by biomechanical tests at 6 weeks after surgery. RESULTS The mean radiographic scores for fracture healing of both short and long term groups were lower than that of the control group and the differences among the three groups were statistically significant (P < 0.05) at 3, 4, 6 weeks after surgery. The mean bone trabecula density of both groups was smaller than that of the control group and the differences were also statistically significant (P < 0.05) at 4 week. The maximum load, total energy and stiffness in both the short term and long term groups were significantly decreased compared with those in the control group (P < 0.05) at 6 week. CONCLUSION Both short term and long term sustained use of celecoxib in rat models has significantly inhibitory effects on rat fracture healing.
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Affiliation(s)
- Kang-Hua Li
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China
| | - Liang Cheng
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China
| | - Yong Zhu
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China,Address for correspondence: Dr. Yong Zhu, Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China. E-mail:
| | - Guo-Bing Deng
- Department of Orthopaedics, Chenzhou People's Hospital, Chenzhou, 423000, Hunan, China
| | - Hai-Tao Long
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China
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Lu C, Xing Z, Wang X, Mao J, Marcucio RS, Miclau T. Anti-inflammatory treatment increases angiogenesis during early fracture healing. Arch Orthop Trauma Surg 2012; 132:1205-13. [PMID: 22622792 DOI: 10.1007/s00402-012-1525-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2011] [Indexed: 02/09/2023]
Abstract
OBJECTIVES Both inflammation and angiogenesis are crucial for normal fracture healing. The goal of this work was to determine how anti-inflammatory treatment affects angiogenesis during early stages of fracture repair. METHODS Tibia fractures were created in adult mice and animals were treated with indomethacin (2 mg/kg/day), a non-steroidal anti-inflammatory drug, or PBS once a day beginning from 1 day before fracture and continuing to 6 days after fracture. Animals were killed at 7, 14, and 28 days after injury for histomorphometric analysis of fracture healing. A second group of animals were killed at 3 and 7 days after injury to measure tissue levels of VEGF and interleukin-1 beta (IL-1β). A third group of animals were killed at 3 and 7 days after injury for stereology analysis of macrophage and neutrophil infiltration and tissue vascularization. RESULTS Indomethacin significantly decreased bone and cartilage formation at 7 days after fracture compared to controls. Indomethacin decreased the tissue levels of IL-1β at 3 days after fracture but did not affect the recruitment of macrophages or neutrophils to injured limbs. Indomethacin-treated fractures had similar length density and surface density of vasculature as the controls at 3 days after injury. At 7 days after fracture, vasculature in indomethacin-treated fractures exhibited higher length density and surface density than that in controls. By 28 days after injury, indomethacin-treated fractures still exhibited defects in fracture repair. CONCLUSIONS Anti-inflammatory treatments using indomethacin impair bone and cartilage formation and increase tissue vascularization in the callus during early fracture healing.
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Affiliation(s)
- Chuanyong Lu
- Department of Orthopaedic Surgery, Orthopaedic Trauma Institute, San Francisco General Hospital, University of California at San Francisco, San Francisco, CA 94110, USA
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Pountos I, Georgouli T, Calori GM, Giannoudis PV. Do nonsteroidal anti-inflammatory drugs affect bone healing? A critical analysis. ScientificWorldJournal 2012; 2012:606404. [PMID: 22272177 PMCID: PMC3259713 DOI: 10.1100/2012/606404] [Citation(s) in RCA: 171] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2011] [Accepted: 10/18/2011] [Indexed: 12/21/2022] Open
Abstract
Nonsteroidal anti-inflammatory drugs (NSAIDs) play an essential part in our approach to control pain in the posttraumatic setting. Over the last decades, several studies suggested that NSAIDs interfere with bone healing while others contradict these findings. Although their analgesic potency is well proven, clinicians remain puzzled over the potential safety issues. We have systematically reviewed the available literature, analyzing and presenting the available in vitro animal and clinical studies on this field. Our comprehensive review reveals the great diversity of the presented data in all groups of studies. Animal and in vitro studies present so conflicting data that even studies with identical parameters have opposing results. Basic science research defining the exact mechanism with which NSAIDs could interfere with bone cells and also the conduction of well-randomized prospective clinical trials are warranted. In the absence of robust clinical or scientific evidence, clinicians should treat NSAIDs as a risk factor for bone healing impairment, and their administration should be avoided in high-risk patients.
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Affiliation(s)
- Ippokratis Pountos
- Academic Department of Trauma & Orthopaedics, School of Medicine, University of Leeds, Leeds LS1 3EX, UK
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DAHL V, SPRENG UJ, WAAGE M, RAEDER J. Short stay and less pain after ambulatory anterior cruciate ligament (ACL) repair: COX-2 inhibitor versus glucocorticoid versus both combined. Acta Anaesthesiol Scand 2012; 56:95-101. [PMID: 22103778 DOI: 10.1111/j.1399-6576.2011.02584.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/04/2011] [Indexed: 11/27/2022]
Abstract
BACKGROUND Many studies have demonstrated that either COX-2 antagonists or glucocorticoids are efficient analgesics after orthopaedic surgery. We wanted to evaluate if the combination of these two drugs was better than one drug alone when added to paracetamol, local anaesthesia, and cryo-cuff for outpatient anterior crucial ligament (ACL) surgery. METHODS In a double-blind design, 89 adult patients scheduled for day-case ACL repair in general anaesthesia were randomly assigned into three groups: The COXIB group (n = 30) received either 40 mg parecoxib iv or 120 mg etoricoxib orally 1 h before surgery. The STEROID group (n = 30) received 8 mg dexamethasone iv, and the combination group (Group COMBI, n = 29) received both. RESULTS At 24 h, Group COMBI had significantly lower visual analogue scale (0-10 cm) scores during rest (2.1 ± 1.3) (mean ± standard deviation) and movement (4.2 ± 2.5) when compared to both the COXIB group (P = 0.04) and the STEROID group (P = 0.035). The accumulated consumption of rescue opioids (5.2 ± 4,5 mg morphine) was also significantly lower at 24 h compared to the other groups (P = 0.02). Mean time to discharge from hospital was about 3 h in all groups. The pain scores in the post-anaesthetic care unit, mobilization at 24 h and 7 days, and general level of satisfaction were similar between the groups. CONCLUSION The combination of a COX-2 inhibitor and dexamethasone results in better pain relief 24 h after surgery in patients undergoing outpatient ACL surgery, compared to COX-2 inhibitor alone or dexamethasone alone. With a dedicated multimodal pain regime, most ACL patients may be discharged within 3 h.
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Affiliation(s)
- V. DAHL
- Department of Anaesthesia and Intensive Care; Baerum Hospital; RUD; Norway
| | | | - M. WAAGE
- Department of Anaesthesia and Intensive Care; Baerum Hospital; RUD; Norway
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Fracon RN, Teófilo JM, Moris IC, Lamano T. Treatment with paracetamol, ketorolac or etoricoxib did not hinder alveolar bone healing: a histometric study in rats. J Appl Oral Sci 2011; 18:630-4. [PMID: 21308296 PMCID: PMC3881766 DOI: 10.1590/s1678-77572010000600016] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2009] [Accepted: 02/11/2010] [Indexed: 11/21/2022] Open
Abstract
Prostaglandins control osteoblastic and osteoclastic function under physiological or
pathological conditions and are important modulators of the bone healing process. The
non-steroidal anti-inflammatory drugs (NSAIDs) inhibit cyclooxygenase (COX) activity
and consequently prostaglandins synthesis. Experimental and clinical evidence has
indicated a risk for reparative bone formation related to the use of non-selective
(COX-1 and COX-2) and COX-2 selective NSAIDs. Ketorolac is a non-selective NSAID
which, at low doses, has a preferential COX-1 inhibitory effect and etoricoxib is a
new selective COX-2 inhibitor. Although literature data have suggested that ketorolac
can interfere negatively with long bone fracture healing, there seems to be no study
associating etoricoxib with reparative bone formation. Paracetamol/acetaminophen, one
of the first choices for pain control in clinical dentistry, has been considered a
weak anti-inflammatory drug, although supposedly capable of inhibiting COX-2 activity
in inflammatory sites.
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Ochi H, Hara Y, Asou Y, Harada Y, Nezu Y, Yogo T, Shinomiya K, Tagawa M. Effects of long-term administration of carprofen on healing of a tibial osteotomy in dogs. Am J Vet Res 2011; 72:634-41. [PMID: 21529215 DOI: 10.2460/ajvr.72.5.634] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
OBJECTIVE To evaluate effects of long-term administration of carprofen on healing of a tibial osteotomy in dogs. ANIMALS 12 healthy female Beagles. PROCEDURES A mid-diaphyseal transverse osteotomy (stabilized with an intramedullary pin) of the right tibia was performed in each dog. The carprofen group (n = 6 dogs) received carprofen (2.2 mg/kg, PO, q 12 h) for 120 days; the control group (6) received no treatment. Bone healing and change in callus area were assessed radiographically over time. Dogs were euthanized 120 days after surgery, and tibiae were evaluated biomechanically and histologically. RESULTS The osteotomy line was not evident in the control group on radiographs obtained 120 days after surgery. In contrast, the osteotomy line was still evident in the carprofen group. Callus area was significantly less in the carprofen group, compared with the area in the control group, at 20, 30, and 60 days after surgery. At 120 days after surgery, stiffness, elastic modulus, and flexural rigidity in the carprofen group were significantly lower than corresponding values in the control group. Furthermore, histologic evaluation revealed that the cartilage area within the callus in the carprofen group was significantly greater than that in the control group. CONCLUSIONS AND CLINICAL RELEVANCE Long-term administration of carprofen appeared to inhibit bone healing in dogs that underwent tibial osteotomy. We recommend caution for carprofen administration when treating fractures that have delays in healing associated with a reduction in osteogenesis as well as fractures associated with diseases that predispose animals to delays of osseous repair.
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Affiliation(s)
- Hiroki Ochi
- Division of Veterinary Surgery, Department of Veterinary Science, Faculty of Veterinary Medicine, Nippon Veterinary and Life Science University, 1-7-1 Kyonan-cho, Musashino-shi, Tokyo, 180-8602, Japan.
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Thomas MV, Puleo DA. Infection, inflammation, and bone regeneration: a paradoxical relationship. J Dent Res 2011; 90:1052-61. [PMID: 21248364 PMCID: PMC3169879 DOI: 10.1177/0022034510393967] [Citation(s) in RCA: 217] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2010] [Revised: 11/17/2010] [Accepted: 11/18/2010] [Indexed: 02/06/2023] Open
Abstract
Various strategies have been developed to promote bone regeneration in the craniofacial region. Most of these interventions utilize implantable materials or devices. Infections resulting from colonization of these implants may result in local tissue destruction in a manner analogous to periodontitis. This destruction is mediated via the expression of various inflammatory mediators and tissue-destructive enzymes. Given the well-documented association among microbial biofilms, inflammatory mediators, and tissue destruction, it seems reasonable to assume that inflammation may interfere with bone healing and regeneration. Paradoxically, recent evidence also suggests that the presence of certain pro-inflammatory mediators is actually required for bone healing. Bone injury (e.g., subsequent to a fracture or surgical intervention) is followed by a choreographed cascade of events, some of which are dependent upon the presence of pro-inflammatory mediators. If inflammation resolves promptly, then proper bone healing may occur. However, if inflammation persists (which might occur in the presence of an infected implant or graft material), then the continued inflammatory response may result in suboptimal bone formation. Thus, the effect of a given mediator is dependent upon the temporal context in which it is expressed. Better understanding of this temporal sequence may be used to optimize regenerative outcomes.
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Affiliation(s)
- M V Thomas
- Department of Oral Health Practice, University of Kentucky College of Dentistry, 800 Rose Street, Room D-124, Lexington, KY 40536-0297, USA.
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