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Ilyes I, Boariu M, Rusu D, Iorio-Siciliano V, Vela O, Boia S, Radulescu V, Șurlin P, Jentsch H, Lodin A, Stratul SI. Comparative Study of Systemic vs. Local Antibiotics with Subgingival Instrumentation in Stage III-IV Periodontitis: A Retrospective Analysis. Antibiotics (Basel) 2024; 13:430. [PMID: 38786158 DOI: 10.3390/antibiotics13050430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 05/03/2024] [Accepted: 05/07/2024] [Indexed: 05/25/2024] Open
Abstract
To improve the clinical and microbiological outcomes of non-surgical mechanical periodontal therapy, the adjunctive use of antimicrobials has been utilized in treating moderate-to-severe periodontitis. In our study, the retrospective design included previously collected health-related patient data, obtained from the printed and digital charts of patients who received systemic or local antibiotic adjuncts to SI (subgingival instrumentation). A total of 34 patients (diagnosed with generalized Stage III/IV periodontitis) met the inclusion and exclusion criteria and were evaluated. The samples were tested for the following bacterial strains: Aggregatibacter actinomycetemcomitans (A. actinomycetemcomitans), Porphyromonas gingivalis (P. gingivalis), Prevotella intermedia (P. intermedia), Tanererella forsythia (T. forsythia), and Treponema denticola (T. denticola). The inter-group comparisons of the bacterial species did not show statistically significant differences between groups. The present study aimed to evaluate the clinical effects after SI and the adjunctive use of systemically administered (SA) AMX (amoxicillin) + MET (metronidazole) (administered for 7 days), with locally delivered (LDD) piperacillin + tazobactam in step 2 of periodontal therapy. Results: Overall, all parameters were improved in the groups, with a significant difference in inter-group comparison regarding the full-mouth bleeding score (FMBS) (p < 0.05) in favor of the SA group, and the p-value < 0.05 was considered to be statistically significant. Statistically significant PPD (probing pocket depth) reductions and CAL (clinical attachment level) gains were observed in both groups at the 3-month follow-up. In conclusion, within the limitations, the outcomes of this study suggest that SI, with adjunctive local or systemic antibiotic therapy, provided comparable clinical improvements. Systemic AMX + MET protocols were more efficacious with regard to the reduction in FMBS. Follow-up studies with larger patient numbers are needed to further investigate this effect.
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Affiliation(s)
- Ioana Ilyes
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, "Victor Babes" University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Marius Boariu
- Department of Endodontics, Faculty of Dental Medicine, TADERP Research Center, "Victor Babes" University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Darian Rusu
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, "Victor Babes" University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | | | - Octavia Vela
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, "Victor Babes" University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Simina Boia
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, "Victor Babes" University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Viorelia Radulescu
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, "Victor Babes" University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Petra Șurlin
- Department of Periodontology, Faculty of Dental Medicine, University of Medicine and Pharmacy, 200349 Craiova, Romania
| | - Holger Jentsch
- Medical Faculty, University of Leipzig, 04103 Leipzig, Germany
| | - Alexandru Lodin
- Department Basis of Electronics, Faculty of Electronics, Telecommunications and Information Technology, Technical University of Cluj-Napoca, 400114 Cluj-Napoca, Romania
| | - Stefan-Ioan Stratul
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, "Victor Babes" University of Medicine and Pharmacy, 300041 Timisoara, Romania
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Ilyes I, Boariu M, Rusu D, Iorio-Siciliano V, Vela O, Boia S, Kardaras G, Șurlin P, Calniceanu H, Jentsch H, Lodin A, Stratul SI. A Single Dose of Piperacillin Plus Tazobactam Gel as an Adjunct to Professional Mechanical Plaque Removal (PMPR) in Patients with Peri-Implant Mucositis: A 6-Month Double-Blind Randomized Clinical Trial. Antibiotics (Basel) 2024; 13:269. [PMID: 38534704 DOI: 10.3390/antibiotics13030269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Revised: 03/13/2024] [Accepted: 03/14/2024] [Indexed: 03/28/2024] Open
Abstract
OBJECTIVES This randomized, placebo-controlled, double-masked clinical trial aimed to evaluate the clinical and microbiological efficacy of professional mechanical plaque removal (PMPR) with or without adjunctive application of piperacillin plus tazobactam gel in the treatment of peri-implant mucositis (PiM) for up to 6 months. MATERIALS AND METHODS The study included 31 patients with peri-implant mucositis (bleeding on probing (BoP) > 1 at at least one site at baseline, absence of peri-implant bone loss compared with a previous radiograph). After randomized assignment to test and control groups, patients received full-mouth supragingival scaling with or without piperacillin plus tazobactam gel. Clinical examination was performed at baseline and after 3 and 6 months, and a microbiological examination was performed at baseline and after 3 months. RESULTS After six months, both treatment modalities resulted in significant reductions and improvements in clinical parameters at the implant sites. Neither study group achieved a complete resolution of PiM (i.e., BoP ≤ 1 per implant). The number of implants with BoP decreased statistically significantly between subsequent time points (p < 0.001) in both the test and the control group. Significant BoP differences (p = 0.039) were observed between groups at 6 months (difference to baseline) following therapy. CONCLUSIONS Within the limitations of the present study, the single use of a slow-release, locally applied antibiotic combination of piperacillin and tazobactam gel, adjunctive to PMPR, showed an improvement in clinical variable of implants diagnosed with PiM. The adjunctive treatment resulted in higher BoP reduction when compared to the control, but no significant differences were observed regarding the changes in other clinical and microbiological parameters.
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Affiliation(s)
- Ioana Ilyes
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, "Victor Babes" University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Marius Boariu
- Department of Endodontics, Faculty of Dental Medicine, TADERP Research Center, "Victor Babes" University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Darian Rusu
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, "Victor Babes" University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | | | - Octavia Vela
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, "Victor Babes" University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Simina Boia
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, "Victor Babes" University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Georgios Kardaras
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, "Victor Babes" University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Petra Șurlin
- Department of Periodontology, Faculty of Dental Medicine, University of Medicine and Pharmacy, 200349 Craiova, Romania
| | - Horia Calniceanu
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, "Victor Babes" University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Holger Jentsch
- Medical Faculty, University of Leipzig, 04103 Leipzig, Germany
| | - Alexandru Lodin
- Department Basis of Electronics, Faculty of Electronics, Telecommunications and Information Technology, Technical University of Cluj-Napoca, 400114 Cluj-Napoca, Romania
| | - Stefan-Ioan Stratul
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, "Victor Babes" University of Medicine and Pharmacy, 300041 Timisoara, Romania
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Zainuddin SLA, Latib N, Taib H, Ahmad B, Sabarudin MA, Wan Mohamad WM. Effectiveness of Conventional Periodontal Treatment With Tetracycline Fiber Versus Minocycline Gel Application Subgingivally in Periodontitis Patients. Cureus 2024; 16:e55167. [PMID: 38558744 PMCID: PMC10980540 DOI: 10.7759/cureus.55167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/28/2024] [Indexed: 04/04/2024] Open
Abstract
BACKGROUND Locally delivered antibiotics are adjunctive therapies for the selective removal or inhibition of pathogenic microbes in combination with scaling and root planing (SRP) for the management of periodontitis. OBJECTIVE The primary objective of this study was to evaluate the effectiveness of tetracycline fibers against minocycline gel when used as local drug delivery in conjunction with SRP for treating periodontitis. METHODS AND MATERIALS This is a pilot randomized open single, blinded trial study comparing three treatment modalities: SRP with topical tetracycline fibers (SRP+T), SRP with topical minocycline HCL 2% gel (SRP+M), and SRP only as a control group. Probing pocket depth (PPD), clinical attachment loss (CAL), and bleeding on probing (BOP) percentages were recorded at baseline, one month, and at the end of three months. The data were subjected to analysis using IBM Corp. Released 2019. IBM SPSS Statistics for Windows, Version 26.0. Armonk, NY: IBM Corp. Repeated measures ANOVA was used to compare the clinical outcomes between the three treatment groups, accounting for the repeated measurements at baseline, one month, and three months. A p-value less than 0.05 at a 95% confidence interval was deemed statistically significant. RESULTS There were statistically significant changes within the groups in all the clinical parameters, including pocket depth, clinical attachment loss, and bleeding on probing score, at different time intervals, with the greatest mean pocket depth changes seen in the tetracycline group after one month (mean changes = 1.4 mm, P < 0.001) and over three months (mean changes = 1.79 mm, p < 0.001). For clinical attachment loss, after one month, the highest improvement in clinical level was seen in the minocycline group (mean changes = 0.7mm, p < 0.05), and the overall improvement was seen in the control group (mean changes = 1.1mm, p < 0.05). The minocycline group showed greater mean changes in bleeding on probing percentage, with the greatest changes after one month (mean changes = 19.34%, p < 0.001) and over three months (mean changes = 26.42%, p <0.001). However, there was no significant difference between the groups. CONCLUSION Locally delivered tetracycline and minocycline gel are effective as adjuncts to SRP and may improve the healing outcome in the management of periodontitis.
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Affiliation(s)
| | - Norjehan Latib
- School of Dental Sciences, Universiti Sains Malaysia, Kelantan, MYS
| | - Haslina Taib
- Unit of Periodontics, School of Dental Sciences, Universiti Sains Malaysia, Kelantan, MYS
| | - Basaruddin Ahmad
- Dental Public Health, School of Dental Sciences, Universiti Sains Malaysia, Kelantan, MYS
| | | | - Wan Majdiah Wan Mohamad
- School of Dental Sciences, Universiti Sains Malaysia, Kelantan, MYS
- School of Dental Sciences, Universiti Sains Malaysia, Kelantan, MYS
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De Meo D, Martini P, Pennarola MF, Guarascio G, Rivano Capparuccia M, Iaiani G, Candela V, Gumina S, Villani C. Hydrogel Coating versus Calcium Sulphate Beads as a Local Antibiotic Carrier for Debridement Procedures in Acute Periprosthetic Joint Infection: A Preliminary Study. Gels 2023; 9:758. [PMID: 37754439 PMCID: PMC10530128 DOI: 10.3390/gels9090758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Revised: 09/11/2023] [Accepted: 09/11/2023] [Indexed: 09/28/2023] Open
Abstract
Periprosthetic joint infections (PJI) are among the most difficult complications to treat in orthopaedic surgery. Debridement, antibiotics, and implant retention (DAIR) represent an efficient strategy for acute PJI, especially when resorbable local antibiotic carriers and coatings are used. The aim of this pilot study was to evaluate the difference between using antibiotic-loaded hydrogel (ALH) and calcium sulphate (CS) beads in the DAIR procedure. We analysed 16 patients who had been treated since 2018 for acute PJI, namely eight patients with knee PJI (50%), seven with hip PJI (43.7%), and one with shoulder PJI (6.2%). Nine patients were treated with the Debridement, Antibiotic Coating and Retention of the Implant (DACRI) method, while seven were treated with the Debridement, Antibiotic Pearls, Retention of the Implant (DAPRI) method. We found no significant differences between the two groups in terms of age, sex, the American Society of Anesthesiologists risk score, Charlson Comorbidity Index, localisation, days from onset to diagnosis and pathogenesis. Furthermore, no differences were found between the DACRI and DAPRI groups in terms of infection control (15 patients, 93.75% with p = 0.36) and last C-Reactive Protein values (p = 0.26), with a mean follow-up of 26.1 ± 7.7 months. Treatment for one patient affected by knee Candida albicans PJI in the DACRI group was not successful. In conclusion, DAPRI and DACRI appear to be safe and effective treatments for PJIs. This evidence will encourage the development of new clinical research into local carriers and coatings for use in acute implant-associated infections.
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Affiliation(s)
- Daniele De Meo
- Department of Anatomical, Histological, Forensic Medicine and Orthopaedics Sciences, Sapienza University of Rome, 00100 Rome, Italy; (P.M.); (M.F.P.); (G.G.); (V.C.); (S.G.); (C.V.)
- M.I.T.O. (Malattie Infettive in Traumatologia e Ortopedia-Infections in Traumatology and Orthopedics Surgery) Study Group, Policlinico Umberto I Hospital, Viale del Policlinico 155, 00161 Rome, Italy; (M.R.C.); (G.I.)
| | - Paolo Martini
- Department of Anatomical, Histological, Forensic Medicine and Orthopaedics Sciences, Sapienza University of Rome, 00100 Rome, Italy; (P.M.); (M.F.P.); (G.G.); (V.C.); (S.G.); (C.V.)
- M.I.T.O. (Malattie Infettive in Traumatologia e Ortopedia-Infections in Traumatology and Orthopedics Surgery) Study Group, Policlinico Umberto I Hospital, Viale del Policlinico 155, 00161 Rome, Italy; (M.R.C.); (G.I.)
| | - Maria Francesca Pennarola
- Department of Anatomical, Histological, Forensic Medicine and Orthopaedics Sciences, Sapienza University of Rome, 00100 Rome, Italy; (P.M.); (M.F.P.); (G.G.); (V.C.); (S.G.); (C.V.)
- M.I.T.O. (Malattie Infettive in Traumatologia e Ortopedia-Infections in Traumatology and Orthopedics Surgery) Study Group, Policlinico Umberto I Hospital, Viale del Policlinico 155, 00161 Rome, Italy; (M.R.C.); (G.I.)
| | - Giovanni Guarascio
- Department of Anatomical, Histological, Forensic Medicine and Orthopaedics Sciences, Sapienza University of Rome, 00100 Rome, Italy; (P.M.); (M.F.P.); (G.G.); (V.C.); (S.G.); (C.V.)
- M.I.T.O. (Malattie Infettive in Traumatologia e Ortopedia-Infections in Traumatology and Orthopedics Surgery) Study Group, Policlinico Umberto I Hospital, Viale del Policlinico 155, 00161 Rome, Italy; (M.R.C.); (G.I.)
| | - Marco Rivano Capparuccia
- M.I.T.O. (Malattie Infettive in Traumatologia e Ortopedia-Infections in Traumatology and Orthopedics Surgery) Study Group, Policlinico Umberto I Hospital, Viale del Policlinico 155, 00161 Rome, Italy; (M.R.C.); (G.I.)
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, 00100 Rome, Italy
| | - Giancarlo Iaiani
- M.I.T.O. (Malattie Infettive in Traumatologia e Ortopedia-Infections in Traumatology and Orthopedics Surgery) Study Group, Policlinico Umberto I Hospital, Viale del Policlinico 155, 00161 Rome, Italy; (M.R.C.); (G.I.)
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, 00100 Rome, Italy
| | - Vittorio Candela
- Department of Anatomical, Histological, Forensic Medicine and Orthopaedics Sciences, Sapienza University of Rome, 00100 Rome, Italy; (P.M.); (M.F.P.); (G.G.); (V.C.); (S.G.); (C.V.)
| | - Stefano Gumina
- Department of Anatomical, Histological, Forensic Medicine and Orthopaedics Sciences, Sapienza University of Rome, 00100 Rome, Italy; (P.M.); (M.F.P.); (G.G.); (V.C.); (S.G.); (C.V.)
| | - Ciro Villani
- Department of Anatomical, Histological, Forensic Medicine and Orthopaedics Sciences, Sapienza University of Rome, 00100 Rome, Italy; (P.M.); (M.F.P.); (G.G.); (V.C.); (S.G.); (C.V.)
- M.I.T.O. (Malattie Infettive in Traumatologia e Ortopedia-Infections in Traumatology and Orthopedics Surgery) Study Group, Policlinico Umberto I Hospital, Viale del Policlinico 155, 00161 Rome, Italy; (M.R.C.); (G.I.)
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Haonga BT, Ngunyale P, von Kaeppler EP, Donnelley CA, Won NY, Eliezer EN, Brown K, Flores M, O'Marr JM, Rodarte P, Urva M, Cortez A, Porco T, Morshed S, Shearer DW. A pilot, masked, randomized controlled trial to evaluate local gentamicin versus saline in open tibial fractures (pGO-Tibia). OTA Int 2023; 6:e268. [PMID: 37719315 PMCID: PMC10503693 DOI: 10.1097/oi9.0000000000000268] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 01/29/2023] [Indexed: 09/19/2023]
Abstract
Background Open tibial fractures have a high risk of infection that can lead to severe morbidity. Antibiotics administered locally at the site of the open wound are a potentially effective preventive measure, but there are limited data evaluating aminoglycoside antibiotics. The objective of this study was to assess the feasibility of a clinical trial to test the efficacy of local gentamicin in reducing the risk of fracture-related infection after open tibial fracture. Methods This study is a single-center, pilot, masked, randomized controlled trial conducted at the Muhimbili Orthopaedic Institute. Participants were randomized intraoperatively after wound closure to receive gentamicin solution or normal saline solution injected at the fracture site. Follow-ups were completed at 2 weeks, 6 weeks, 3 months, 6 months, 9 months, and 1 year postoperatively. The primary feasibility outcomes were the rate of enrollment and retention. The primary clinical outcome was the occurrence of fracture-related infection. Results Of 199 patients screened, 100 eligible patients were successfully enrolled and randomized over 9 months (11.1 patients/month). Complete data were recorded at baseline and follow-up for >95% of cases. The rate of follow-up at 6 weeks, 3 months, 6 months, 9 months, and 1 year were 70%, 68%, 69%, 61%, and 80%, respectively. There was no difference in adverse events or any of the measured primary and secondary outcomes. Conclusion This pilot study is among the first to evaluate locally administered gentamicin in open tibial fractures. Results indicate a rigorous clinical trial with acceptable rates of enrollment and follow-up to address this topic is possible in this setting.
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Affiliation(s)
| | | | - Ericka P. von Kaeppler
- Department of Orthopaedic Surgery, Institute for Global Orthopaedics and Traumatology, University of California San Francisco, San Francisco, CA; and
| | - Claire A. Donnelley
- Department of Orthopaedic Surgery, Institute for Global Orthopaedics and Traumatology, University of California San Francisco, San Francisco, CA; and
| | - Nae Y. Won
- Department of Orthopaedic Surgery, Institute for Global Orthopaedics and Traumatology, University of California San Francisco, San Francisco, CA; and
| | | | - Kelsey Brown
- Department of Orthopaedic Surgery, Institute for Global Orthopaedics and Traumatology, University of California San Francisco, San Francisco, CA; and
| | - Michael Flores
- Department of Orthopaedic Surgery, Institute for Global Orthopaedics and Traumatology, University of California San Francisco, San Francisco, CA; and
| | - Jamieson M. O'Marr
- Department of Orthopaedic Surgery, Institute for Global Orthopaedics and Traumatology, University of California San Francisco, San Francisco, CA; and
| | - Patricia Rodarte
- Department of Orthopaedic Surgery, Institute for Global Orthopaedics and Traumatology, University of California San Francisco, San Francisco, CA; and
| | - Mayur Urva
- Department of Orthopaedic Surgery, Institute for Global Orthopaedics and Traumatology, University of California San Francisco, San Francisco, CA; and
| | - Abigail Cortez
- Department of Orthopaedic Surgery, Institute for Global Orthopaedics and Traumatology, University of California San Francisco, San Francisco, CA; and
| | - Travis Porco
- Department of Epidemiology and Biostatistics, University of California San Francisco, San Francisco, CA
| | - Saam Morshed
- Department of Orthopaedic Surgery, Institute for Global Orthopaedics and Traumatology, University of California San Francisco, San Francisco, CA; and
| | - David W. Shearer
- Department of Orthopaedic Surgery, Institute for Global Orthopaedics and Traumatology, University of California San Francisco, San Francisco, CA; and
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Kejwal MB, Verboket RD, Sommer K, Dust F, Thomas D, Störmann P, Frank J, Henrich D, Marzi I, Janko MC. Local Gentamicin Fixation with Sprayed Fibrin-An In Vivo Animal Study Reveals New Options to Treat Soft Tissue Infections. J Clin Med 2023; 12:jcm12103390. [PMID: 37240497 DOI: 10.3390/jcm12103390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 05/05/2023] [Accepted: 05/09/2023] [Indexed: 05/28/2023] Open
Abstract
For acute and chronic soft tissue infections, radical surgical debridement is required and is considered the gold standard, along with its immediate systemic antibiotic therapy. Treatment with local antibiotics and/or antibiotic-containing materials is commonly used as an additional tool in clinical practice. Spraying with fibrin and antibiotics is a newer technique that has been studied for some antibiotics. However, for gentamicin, data are not yet available on absorption, optimal application, antibiotic fate at the site and transfer of antibiotic into the blood. In an animal study involving 29 Sprague Dawley rats, 116 back wounds were sprayed with gentamicin using either gentamicin alone or one of two possible spray combinations of gentamicin and fibrin. Simultaneous application of gentamicin and fibrin via a spray system to soft tissue wounds resulted in significant antibiotic concentration over a long period of time. The technique is easy and cost-effective. The systemic crossover was significantly minimized in our study, which may have led to fewer side effects in patients. These results could lead to an improvement in local antibiotic therapy.
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Affiliation(s)
- Meike B Kejwal
- Department of Trauma, Hand and Reconstructive Surgery, Hospital of the Goethe University, Goethe University Frankfurt, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany
| | - René D Verboket
- Department of Trauma, Hand and Reconstructive Surgery, Hospital of the Goethe University, Goethe University Frankfurt, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany
| | - Katharina Sommer
- Department of Trauma, Hand and Reconstructive Surgery, Hospital of the Goethe University, Goethe University Frankfurt, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany
| | - Fabian Dust
- Department of Trauma, Hand and Reconstructive Surgery, Hospital of the Goethe University, Goethe University Frankfurt, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany
| | - Dominique Thomas
- Institute of Clinical Pharmacology, Goethe University Frankfurt, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany
| | - Philipp Störmann
- Department of Trauma, Hand and Reconstructive Surgery, Hospital of the Goethe University, Goethe University Frankfurt, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany
| | - Johannes Frank
- Department of Trauma, Hand and Reconstructive Surgery, Hospital of the Goethe University, Goethe University Frankfurt, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany
| | - Dirk Henrich
- Department of Trauma, Hand and Reconstructive Surgery, Hospital of the Goethe University, Goethe University Frankfurt, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany
| | - Ingo Marzi
- Department of Trauma, Hand and Reconstructive Surgery, Hospital of the Goethe University, Goethe University Frankfurt, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany
| | - Maren C Janko
- Department of Trauma, Hand and Reconstructive Surgery, Hospital of the Goethe University, Goethe University Frankfurt, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany
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Henry JA, Ali A, Elkhidir IH, Reid A, Wong J, Pillai A. Long-Term Follow-Up of Open Gustilo-Anderson IIIB Fractures Treated With an Adjuvant Local Antibiotic Hydroxyapatite Bio-Composite. Cureus 2023; 15:e39103. [PMID: 37332443 PMCID: PMC10270668 DOI: 10.7759/cureus.39103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/16/2023] [Indexed: 06/20/2023] Open
Abstract
Background Open fractures associated with significant tissue loss are complex and present challenges in management; they are associated with poor outcomes such as infection, non-union or amputation. This study aimed to evaluate outcomes of using an adjuvant local antibiotic hydroxyapatite bio-composite in the management of open Gustilo-Anderson IIIB fractures with up to eight years of follow-up. Methods This was a retrospective study. A total of 81 patients with Gustilo-Anderson IIIB fractures treated with "fix and flap" limb reconstruction with adjuvant local antibiotic therapy using a bio-composite carrier were reviewed. Results The mean follow-up time for all the patients, at the time of data collection, was 55.8 months. Union was achieved in 96% with a limb salvage rate of 96.3% and a deep infection rate of 3.7%. Conclusion The use of local antibiotic therapy, together with a combined orthoplastic "fix and flap" approach for Gustilo-Anderson IIIB open fractures, was found to be associated with a very low rate of metalwork infection and high union and limb salvage rates. Future studies should include some functional and quality of life outcome measures to see the efficacy of this method.
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Affiliation(s)
- Joshua A Henry
- Department of Trauma and Orthopaedics, Wythenshawe Hospital, Manchester Foundation Trust, Manchester, GBR
| | - Almigdad Ali
- Department of Trauma and Orthopaedics, Wythenshawe Hospital, Manchester Foundation Trust, Manchester, GBR
| | | | - Adam Reid
- Department of Plastic Surgery, Wythenshawe Hospital, Manchester Foundation Trust, Manchester, GBR
| | - Jason Wong
- Department of Plastic Surgery, Wythenshawe Hospital, Manchester Foundation Trust, Manchester, GBR
| | - Anand Pillai
- Department of Trauma and Orthopaedics, Wythenshawe Hospital, Manchester Foundation Trust, Manchester, GBR
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Steadman W, Chapman PR, Schuetz M, Schmutz B, Trampuz A, Tetsworth K. Local Antibiotic Delivery Options in Prosthetic Joint Infection. Antibiotics (Basel) 2023; 12:antibiotics12040752. [PMID: 37107114 PMCID: PMC10134995 DOI: 10.3390/antibiotics12040752] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 04/03/2023] [Accepted: 04/07/2023] [Indexed: 04/29/2023] Open
Abstract
Prosthetic Joint Infection (PJI) causes significant morbidity and mortality for patients globally. Delivery of antibiotics to the site of infection has potential to improve the treatment outcomes and enhance biofilm eradication. These antibiotics can be delivered using an intra-articular catheter or combined with a carrier substance to enhance pharmacokinetic properties. Carrier options include non-resorbable polymethylmethacrylate (PMMA) bone cement and resorbable calcium sulphate, hydroxyapatite, bioactive glass, and hydrogels. PMMA allows for creation of structural spacers used in multi-stage revision procedures, however it requires subsequent removal and antibiotic compatibility and the levels delivered are variable. Calcium sulphate is the most researched resorbable carrier in PJI, but is associated with wound leakage and hypercalcaemia, and clinical evidence for its effectiveness remains at the early stage. Hydrogels provide a versatile combability with antibiotics and adjustable elution profiles, but clinical usage is currently limited. Novel anti-biofilm therapies include bacteriophages which have been used successfully in small case series.
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Affiliation(s)
- William Steadman
- Jamieson Trauma Institute, Royal Brisbane and Women's Hospital, Herston, Brisbane 4029, Australia
- Department of Orthopaedics, Royal Brisbane and Women's Hospital, Herston, Brisbane 4029, Australia
- Faculty of Health, Queensland University of Technology, Brisbane 4059, Australia
| | - Paul R Chapman
- Jamieson Trauma Institute, Royal Brisbane and Women's Hospital, Herston, Brisbane 4029, Australia
- Herston Infectious Disease Institute, Royal Brisbane and Women's Hospital, Herston, Brisbane 4029, Australia
- Department of Infectious Diseases, Royal Brisbane and Women's Hospital, Herston, Brisbane 4029, Australia
| | - Michael Schuetz
- Jamieson Trauma Institute, Royal Brisbane and Women's Hospital, Herston, Brisbane 4029, Australia
- Department of Orthopaedics, Royal Brisbane and Women's Hospital, Herston, Brisbane 4029, Australia
- Faculty of Health, Queensland University of Technology, Brisbane 4059, Australia
| | - Beat Schmutz
- Jamieson Trauma Institute, Royal Brisbane and Women's Hospital, Herston, Brisbane 4029, Australia
- School of Mechanical, Medical and Process Engineering, Faculty of Engineering, Queensland University of Technology, Brisbane 4000, Australia
- Centre for Biomedical Technologies, Queensland University of Technology, Brisbane 4059, Australia
- Australian Research Council Training Centre for Multiscale 3D Imaging, Modelling, and Manufacturing, Queensland University of Technology, Brisbane 4059, Australia
| | - Andrej Trampuz
- Center for Musculoskeletal Surgery, Septic Unit Charité-Universitätsmedizin, 10117 Berlin, Germany
| | - Kevin Tetsworth
- Department of Orthopaedics, Royal Brisbane and Women's Hospital, Herston, Brisbane 4029, Australia
- School of Medicine, University of Queensland, Brisbane 4029, Australia
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Vengidesh R, Kadandale S, Ramachandran A, Srinivasan S, Parthasarathy R, Thanikachalam Y, Kumar P. Antibiotic Prescription Patterns for Endodontic Procedures in India: A Knowledge, Attitude, and Practices (KAP) Survey. Cureus 2023; 15:e37804. [PMID: 37223150 PMCID: PMC10202345 DOI: 10.7759/cureus.37804] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/18/2023] [Indexed: 05/25/2023] Open
Abstract
Objective The purpose of this study is to evaluate the antibiotic prescription patterns of endodontists, general dentists, and other dental specialists for endodontic procedures in India by using the knowledge, attitude, and practices (KAP) survey method. Methods This cross-sectional study was carried out from February 2022 to May 2022 and involved dentists across India. A self-made questionnaire survey was created to judge the knowledge of various dental practitioners, which includes general dentists, endodontists, other dental specialists, and post-graduates with regard to antibiotic usage guidelines for endodontic purposes. A total of about 310 dental practitioners were surveyed across India. The questionnaire was circulated via social platforms such as WhatsApp, Instagram, and Facebook Messenger. Statistical analysis Data for KAP regarding antibiotic prescription patterns among general dentists, endodontists, other dental specialists, and postgraduates were entered into Microsoft Excel and analyzed using IBM SPSS Statistics for Windows, Version 20 (IBM Corp. Released 2011. IBM SPSS Statistics for Windows, Version 20.0. Armonk, NY: IBM Corp.). Descriptive statistics of the study population were examined. The level of statistical significance was determined at p<0.05. Results For the percentage of patients who were prescribed systemic antibiotics every day for endodontic reasons, about 38.6% (119) responded 0-10% and 27.3% (84) responded 10-30%. For the order of antibiotics that they prefer from most to least, about 85.4% (263) responded amoxicillin > metronidazole > doxycycline > azithromycin > clindamycin > ciprofloxacin. For the question of whether they use local antibiotics, about 35% answered yes of which 25% were endodontists, 2% were general dentists, 5% were other dental specialists, and 3% were post-graduates. About 77.3% of the total participants were unaware of the antimicrobial stewardship concept and AwaRe classification from WHO. About 53.2% (164) attended CDE programs with regard to antibiotic usage. Conclusion It is evident from the results of the present study that there is over-prescription of antibiotics by practitioners especially by general dentists without following proper guidelines for endodontic treatments. More emphasis should be made on the proper prescription pattern of antibiotics, proper understanding of endodontic diagnosis, and the need for antibiotics at the undergraduate level. In addition, proper awareness, as well as proper prescription of antibiotics, should be made for existing dental professionals.
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Affiliation(s)
- Ramya Vengidesh
- Conservative Dentistry and Endodontics, Chettinad Dental College and Research Institute, Chennai, IND
| | - Sadasiva Kadandale
- Conservative Dentistry and Endodontics, Chettinad Dental College and Research Institute, Chennai, IND
| | - Anupama Ramachandran
- Conservative Dentistry and Endodontics, Chettinad Dental College and Research Institute, Chennai, IND
| | - Srividhya Srinivasan
- Conservative Dentistry and Endodontics, Sri Venkateswara Dental College and Hospital, Chennai, IND
| | | | - Yashini Thanikachalam
- Conservative Dentistry and Endodontics, Chettinad Dental College and Research Institute, Chennai, IND
| | - Praveen Kumar
- Conservative Dentistry and Endodontics, Chettinad Dental College and Research Institute, Chennai, IND
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Ilyes I, Rusu D, Rădulescu V, Vela O, Boariu MI, Roman A, Surlin P, Kardaras G, Boia S, Chinnici S, Jentsch HFR, Stratul SI. A Placebo-Controlled Trial to Evaluate Two Locally Delivered Antibiotic Gels (Piperacillin Plus Tazobactam vs. Doxycycline) in Stage III-IV Periodontitis Patients. Medicina (Kaunas) 2023; 59:medicina59020303. [PMID: 36837504 PMCID: PMC9961827 DOI: 10.3390/medicina59020303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 02/01/2023] [Accepted: 02/03/2023] [Indexed: 02/10/2023]
Abstract
Background and objectives: this study aims to evaluate the clinical and microbiological effects of a single subgingival administration of a locally delivered antibiotic gel containing piperacillin plus tazobactam and compare it with a slow-release doxycycline (14%) gel and a placebo gel, following subgingival instrumentation (SI) in patients with severe periodontitis. Materials and methods: sixty-four patients diagnosed with stage III-IV periodontitis were enrolled, were randomly assigned into three groups, and were treated additionally with a single subgingival administration of piperacillin plus tazobactam gel (group A); doxycycline gel (group B); and placebo gel (group C). The primary outcome variable was the change in mean probing pocket depth (PPD) 6 months after the intervention. Secondary outcome variables were changes in mean full-mouth bleeding score (FMBS); full-mouth plaque score (FMPS); overall bleeding index (BOP); pocket closure; and clinical attachment level (CAL), along with changes in the numbers of five keystone bacteria: Aggregatibacter actinomycetemcomitans (A.a.), Porphyromonas gingivalis (P.g.), Prevotella intermedia (P.i.), Tannerella forsythia (T.f.), and Treponema denticola (T.d.). Intergroup and intragroup differences were evaluated at 3 and 6 months. Results: at baseline, the three groups were comparable. An improvement in clinical parameters such as PPD, CAL, and BOP between groups was observed at 3 and 6 months, but without statistical significance (p > 0.05). At 6 months, the intragroup analysis showed a significant reduction in clinical parameters. Even though the piperacillin plus tazobactam group showed slightly higher PPD reduction, this was not statistically significant when compared to both control groups. Conclusions: The groups had similar results, and subgingival instrumentation can be executed without adjunctive antimicrobials, reducing the costs for the patient and the working time/load of the professional.
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Affiliation(s)
- Ioana Ilyes
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, Victor Babes University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Darian Rusu
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, Victor Babes University of Medicine and Pharmacy, 300041 Timisoara, Romania
- Correspondence:
| | - Viorelia Rădulescu
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, Victor Babes University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Octavia Vela
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, Victor Babes University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Marius Ion Boariu
- Department of Endodontics, Faculty of Dental Medicine, TADERP Research Center, Victor Babes University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Alexandra Roman
- Department of Periodontology, Faculty of Dental Medicine, Applicative Periodontal Regeneration Research Unit, Iuliu Hatieganu University of Medicine and Pharmacy, 400347 Cluj-Napoca, Romania
| | - Petra Surlin
- Department of Periodontology, Faculty of Dental Medicine, University of Medicine and Pharmacy, 200349 Craiova, Romania
| | - Giorgios Kardaras
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, Victor Babes University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Simina Boia
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, Victor Babes University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Salvatore Chinnici
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, Victor Babes University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Holger Friedrich Rudolf Jentsch
- Department of Cariology, Endodontology and Periodontology, Centre for Periodontology, University Hospital of Leipzig, 04103 Leipzig, Germany
| | - Stefan-Ioan Stratul
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, Victor Babes University of Medicine and Pharmacy, 300041 Timisoara, Romania
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Soldevila-Boixader L, Fernández AP, Laguna JM, Uçkay I. Local Antibiotics in the Treatment of Diabetic Foot Infections: A Narrative Review. Antibiotics (Basel) 2023; 12:antibiotics12010124. [PMID: 36671326 PMCID: PMC9854429 DOI: 10.3390/antibiotics12010124] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/03/2023] [Accepted: 01/05/2023] [Indexed: 01/11/2023] Open
Abstract
Along with the increasing global burden of diabetes, diabetic foot infections (DFI) and diabetic foot osteomyelitis (DFO) remain major challenges for patients and society. Despite progress in the development of prominent international guidelines, the optimal medical treatment for DFI and DFO remains unclear as to whether local antibiotics, that is, topical agents and local delivery systems, should be used alone or concomitant to conventional systemic antibiotics. To better inform clinicians in this evolving field, we performed a narrative review and summarized key relevant observational studies and clinical trials of non-prophylactic local antibiotics for the treatment of DFI and DFO, both alone and in combination with systemic antibiotics. We searched PubMed for studies published between January 2000 and October 2022, identified 388 potentially eligible records, and included 19 studies. Our findings highlight that evidence for adding local antibiotic delivery systems to standard DFO treatment remains limited. Furthermore, we found that so far, local antibiotic interventions have mainly targeted forefoot DFO, although there is marked variation in the design of the included studies. Suggestive evidence emerging from observational studies underscores that the addition of local agents to conventional systemic antibiotics might help to shorten the clinical healing time and overall recovery rates in infected diabetic foot ulcers, although the effectiveness of local antibiotics as a standalone approach remains overlooked. In conclusion, despite the heterogeneous body of evidence, the possibility that the addition of local antibiotics to conventional systemic treatment may improve outcomes in DFI and DFO cannot be ruled out. Antibiotic stewardship principles call for further research to elucidate the potential benefits of local antibiotics alone and in combination with conventional systemic antibiotics for the treatment of DFI and DFO.
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Affiliation(s)
- Laura Soldevila-Boixader
- Infectiology, Unit for Applied and Clinical Research, Balgrist University Hospital, 8008 Zurich, Switzerland
- Infectious Diseases Department, Bellvitge University Hospital, 08907 Hospitalet de Llobregat, Barcelona, Spain
- Correspondence:
| | - Alberto Pérez Fernández
- Orthopedics Department, Head of the Foot and Ankle Unit and Coordinator of Diabetic Foot Unit, Bellvitge University Hospital, 08907 Hospitalet de Llobregat, Barcelona, Spain
| | - Javier Muñoz Laguna
- EBPI-UZWH Musculoskeletal Epidemiology Research Group, Balgrist University Hospital, University of Zurich, 8008 Zurich, Switzerland
- University Spine Centre Zurich (UWZH), Balgrist University Hospital, University of Zurich, 8008 Zurich, Switzerland
| | - Ilker Uçkay
- Infectiology, Unit for Applied and Clinical Research, Balgrist University Hospital, 8008 Zurich, Switzerland
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12
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Aneja A, Kavolus MW, Teasdall RJ, Sneed CR, Pectol RW, Isla AE, Stromberg AJ, Obremskey W. Does prophylactic local tobramycin injection lower open fracture infection rates? OTA Int 2022; 5:e210. [PMID: 36569107 PMCID: PMC9782352 DOI: 10.1097/oi9.0000000000000210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 04/14/2022] [Indexed: 06/17/2023]
Abstract
Objective: To determine whether local aqueous tobramycin injection in combination with systemic perioperative IV antibiotic prophylaxis will reduce the rate of fracture-related infection (FRI) after open fracture fixation. Other Outcomes of Interest: (1) To compare fracture nonunion rates and report differences between treatment and control groups and (2) compare bacterial speciation and antibiotic sensitivity among groups that develop FRI. Design: Phase 3 prospective, randomized clinical trial. Setting: Two level 1 trauma centers. Participants: Six hundred subjects (300 in study/tobramycin group and 300 in control/standard practice group) will be enrolled and assigned to the study group or control group using a randomization table. Patients with open extremity fractures that receive definitive internal surgical fixation will be considered. Intervention: Aqueous local tobramycin will be injected into the wound cavity (down to bone) after debridement, irrigation, and fixation, following closure. Main Outcome Measurements: Outcomes will look at the presence or absence of FRI, the rate of fracture nonunion, and determine speciation of gram-negative and Staph bacteria in each group with a FRI. Results: Not applicable. Conclusion: The proposed work will determine whether local tobramycin delivery plus perioperative standard antibiotic synergism will minimize the occurrence of open extremity FRI. Level of Evidence: Level 1.
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Affiliation(s)
- Arun Aneja
- Department of Orthopaedic Surgery and Sports Medicine, University of Kentucky, Lexington, KY; and
| | - Matthew W. Kavolus
- Department of Orthopaedic Surgery and Sports Medicine, University of Kentucky, Lexington, KY; and
| | - Robert J. Teasdall
- Department of Orthopaedic Surgery and Sports Medicine, University of Kentucky, Lexington, KY; and
| | - Chandler R. Sneed
- Department of Orthopaedic Surgery and Sports Medicine, University of Kentucky, Lexington, KY; and
| | - Richard W. Pectol
- Department of Orthopaedic Surgery and Sports Medicine, University of Kentucky, Lexington, KY; and
| | - Alexander E. Isla
- Department of Orthopaedic Surgery and Sports Medicine, University of Kentucky, Lexington, KY; and
| | - Arnold J. Stromberg
- Department of Orthopaedic Surgery and Sports Medicine, University of Kentucky, Lexington, KY; and
| | - William Obremskey
- Department of Orthopaedic Surgery, Vanderbilt University, Nashville, TN
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13
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Sliepen J, Corrigan RA, Dudareva M, Wouthuyzen-Bakker M, Rentenaar RJ, Atkins BL, Govaert GAM, McNally MA, IJpma FFA. Does the Use of Local Antibiotics Affect Clinical Outcome of Patients with Fracture-Related Infection? Antibiotics (Basel) 2022; 11:1330. [PMID: 36289989 PMCID: PMC9598690 DOI: 10.3390/antibiotics11101330] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 09/22/2022] [Accepted: 09/28/2022] [Indexed: 10/14/2023] Open
Abstract
This international, multi-center study evaluated the effect of antibiotic-loaded carriers (ALCs) on outcome in patients with a fracture-related infection (FRI) and evaluated whether bacterial resistance to the implanted antibiotics influences their efficacy. All patients who were retrospectively diagnosed with FRI according to the FRI consensus definition, between January 2015 and December 2019, and who underwent surgical treatment for FRI at any time point after injury, were considered for inclusion. Patients were followed-up for at least 12 months. The primary outcome was the recurrence rate of FRI at follow-up. Inverse probability for treatment weighting (IPTW) modeling and multivariable regression analyses were used to assess the relationship between the application of ALCs and recurrence rate of FRI at 12 months and 24 months. Overall, 429 patients with 433 FRIs were included. A total of 251 (58.0%) cases were treated with ALCs. Gentamicin was the most frequently used antibiotic (247/251). Recurrence of infection after surgery occurred in 25/251 (10%) patients who received ALCs and in 34/182 (18.7%) patients who did not (unadjusted hazard ratio (uHR): 0.48, 95% CI: [0.29-0.81]). Resistance of cultured microorganisms to the implanted antibiotic was not associated with a higher risk of recurrence of FRI (uHR: 0.75, 95% CI: [0.32-1.74]). The application of ALCs in treatment of FRI is likely to reduce the risk of recurrence of infection. The high antibiotic concentrations of ALCs eradicate most pathogens regardless of susceptibility test results.
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Affiliation(s)
- Jonathan Sliepen
- Department of Trauma Surgery, University Medical Center Groningen, University of Groningen, 9712 CP Groningen, The Netherlands
| | - Ruth A. Corrigan
- Department of Infectious Diseases, Nuffield Orthopaedic Centre, Oxford University Hospitals, Oxford OX3 9DU, UK
| | - Maria Dudareva
- Department of Infectious Diseases, Nuffield Orthopaedic Centre, Oxford University Hospitals, Oxford OX3 9DU, UK
| | - Marjan Wouthuyzen-Bakker
- Department of Medical Microbiology and Infection Prevention, University Medical Center Groningen, University of Groningen, 9712 CP Groningen, The Netherlands
| | - Rob J. Rentenaar
- Department of Medical Microbiology, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
| | - Bridget L. Atkins
- Department of Infectious Diseases, Nuffield Orthopaedic Centre, Oxford University Hospitals, Oxford OX3 9DU, UK
| | - Geertje A. M. Govaert
- Department of Trauma Surgery, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
| | - Martin A. McNally
- The Bone Infection Unit, Nuffield Orthopaedic Centre, Oxford University Hospitals, Oxford OX3 9DU, UK
| | - Frank F. A. IJpma
- Department of Trauma Surgery, University Medical Center Groningen, University of Groningen, 9712 CP Groningen, The Netherlands
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Vallon F, Meier C, Gautier E, Wahl P. The Incidence of Severe Hypercalcaemia-Induced Mental Status Changes in Patients Treated with Antibiotic-Loaded Calcium Sulphate Depot for Orthopaedic Infections. J Clin Med 2022; 11. [PMID: 36013138 DOI: 10.3390/jcm11164900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 08/17/2022] [Accepted: 08/18/2022] [Indexed: 11/17/2022] Open
Abstract
Local application of antibiotics with calcium-containing carrier materials (CCCM) might deliver large quantities of calcium, with some cases of hypercalcaemia reported. The incidence of symptomatic hypercalcaemia was estimated retrospectively in a consecutive, prospective series of patients treated between 10/2006 and 02/2019 with antibiotic-loaded CCCM for various orthopaedic infections. Risk factors were analysed. In the study period, 215 CCCM applications were performed. Two patients (0.9%) developed symptomatic hypercalcaemia. In one case, hypercalcaemia occurred 14 days after a second CCCM application during a staged septic hip revision. In the other case, hypercalcaemia became symptomatic six days after application of vancomycin-loaded CCCM in a component-retaining septic revision hip arthroplasty. In both cases, hypercalcemia was not imputable solely to the CCCM. Prolonged immobilization, renal impairment and other specific risk factors were present. Implantation of a CCCM for local application of antibiotics exposes the patient to large quantities of calcium during dissolution. This might induce symptomatic hypercalcaemia, a potentially life-threatening complication. The observed incidence of symptomatic hypercalcaemia remained rare (<1%). In some patients, compensatory mechanisms might be overwhelmed in the presence of other risk factors. Postoperative monitoring of calcaemia as well as elimination of risk factors is mandatory for all patients treated with CCCM.
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McNally M, Corrigan R, Sliepen J, Dudareva M, Rentenaar R, IJpma F, Atkins BL, Wouthuyzen-Bakker M, Govaert G. What Factors Affect Outcome in the Treatment of Fracture-Related Infection? Antibiotics (Basel) 2022; 11:antibiotics11070946. [PMID: 35884200 PMCID: PMC9312092 DOI: 10.3390/antibiotics11070946] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 07/06/2022] [Accepted: 07/12/2022] [Indexed: 12/24/2022] Open
Abstract
This international, multi-center study investigated the effect of individual components of surgery on the clinical outcomes of patients treated for fracture-related infection (FRI). All patients with surgically treated FRIs, confirmed by the FRI consensus definition, were included. Data were collected on demographics, time from injury to FRI surgery, soft tissue reconstruction, stabilization and systemic and local anti-microbial therapy. Patients were followed up for a minimum of one year. In total, 433 patients were treated with a mean age of 49.7 years (17−84). The mean follow-up time was 26 months (range 12−72). The eradication of infection was successful in 86.4% of all cases and 86.0% of unhealed infected fractures were healed at the final review. In total, 3.3% required amputation. The outcome was not dependent on age, BMI, the presence of metalwork or time from injury (recurrence rate 16.5% in FRI treated at 1−10 weeks after injury; 13.1% at 11−52 weeks; 12.1% at >52 weeks: p = 0.52). The debridement and retention of a stable implant (DAIR) had a failure rate of 21.4%; implant exchange to a new internal fixation had a failure rate of 12.5%; and conversion to external fixation had a failure rate of 10.3% (adjusted hazard ratio (aHR) DAIR vs. Ext Fix 2.377; 95% C.I. 0.96−5.731). Tibial FRI treated with a free flap was successful in 92.1% of cases and in 80.4% of cases without a free flap (HR 0.38; 95% C.I. 0.14−1.0), while the use of NPWT was associated with higher recurrence rates (HR 3.473; 95% C.I. 1.852−6.512). The implantation of local antibiotics reduced the recurrence from 18.7% to 10.0% (HR 0.48; 95% C.I. 0.29−0.81). The successful treatment of FRI was multi-factorial. These data suggested that treatment decisions should not be based on time from injury alone, as other factors also affected the outcome. Further work to determine the best indications for DAIR, free flap reconstruction and local antibiotics is warranted.
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Affiliation(s)
- Martin McNally
- Bone Infection Unit, Nuffield Orthopaedic Centre, Oxford University Hospitals, Oxford OX3 9DU, UK; (R.C.); (M.D.); (B.L.A.)
- Correspondence:
| | - Ruth Corrigan
- Bone Infection Unit, Nuffield Orthopaedic Centre, Oxford University Hospitals, Oxford OX3 9DU, UK; (R.C.); (M.D.); (B.L.A.)
- Nuffield Department of Clinical Laboratory Sciences, Oxford University, John Radcliffe Hospital, Oxford OX3 9DU, UK
| | - Jonathan Sliepen
- Department of Trauma Surgery, University Medical Centre Groningen, University of Groningen, 9712 CP Groningen, The Netherlands; (J.S.); (F.I.)
| | - Maria Dudareva
- Bone Infection Unit, Nuffield Orthopaedic Centre, Oxford University Hospitals, Oxford OX3 9DU, UK; (R.C.); (M.D.); (B.L.A.)
| | - Rob Rentenaar
- Department of Medical Microbiology, University Medical Centre Utrecht, 3584 CX Utrecht, The Netherlands;
| | - Frank IJpma
- Department of Trauma Surgery, University Medical Centre Groningen, University of Groningen, 9712 CP Groningen, The Netherlands; (J.S.); (F.I.)
| | - Bridget L. Atkins
- Bone Infection Unit, Nuffield Orthopaedic Centre, Oxford University Hospitals, Oxford OX3 9DU, UK; (R.C.); (M.D.); (B.L.A.)
| | - Marjan Wouthuyzen-Bakker
- Department of Medical Microbiology and Infection Prevention, University Medical Centre Groningen, University of Groningen, 9712 CP Groningen, The Netherlands;
| | - Geertje Govaert
- Department of Trauma Surgery, University Medical Centre Utrecht, 3584 CX Utrecht, The Netherlands;
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Morley R, Rothwell M, Stephenson J, McIlvenny L, Webb F, Barber A. Complex Foot Infection Treated With Surgical Debridement and Antibiotic Loaded Calcium Sulfate-A Retrospective Cohort Study of 137 Cases. J Foot Ankle Surg 2022; 61:239-247. [PMID: 34364760 DOI: 10.1053/j.jfas.2021.07.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 06/12/2021] [Accepted: 07/11/2021] [Indexed: 02/03/2023]
Abstract
Complex foot infections involving bone and soft tissue in patients with co-morbidities such as diabetes and peripheral arterial disease (PAD) are a cause of significant hospital admission. They are associated with substantial economic costs to health services worldwide. Historically, severe foot infection has been treated with surgical debridement and prolonged courses of systemic antibiotics. Prolonged systemic antibiotic use increases the risk of drug side effects, antimicrobial resistance and Clostridium difficile infection. The purpose of this study was to investigate whether surgical debridement and implantation of antibiotic loaded calcium sulfate is effective in the resolution of foot infection and wound healing. A retrospective cohort study of 137 consecutive cases of osteomyelitis (127) or significant soft tissue infection (10) over 62 months from 02/2013 to 04/2018 was conducted following local ethical approval. All cases of infection were treated with surgical debridement and local antibiotic-loaded calcium sulfate. The primary outcomes of infection resolution, time to healing and duration of postoperative antibiotics were measured. In 137 cases, 88.3% of infections resolved. Infection was eradicated in 22 patients without postoperative systemic antibiotics. About 82.5% of wounds healed, with an average healing time of 11.3 weeks. Healing time was significantly increased for the co-morbidities of diabetes and PAD (p =< .05) and for those requiring prolonged systemic postoperative antibiotics. Conservative surgical debridement and implantation of local antibiotic impregnated calcium sulfate is safe and effective in managing complex foot infections. We advocate early surgical intervention before deeper tissue involvement to help preserve lower limb structure and function.
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Affiliation(s)
- Robert Morley
- Consultant Podiatric Surgeon, Derbyshire Community Health Services NHS FT, Department of Podiatric Surgery, Buxton Hospital, Buxton, Derbyshire, UK.
| | - Matt Rothwell
- Specialist Registrar in Podiatric Surgery, Department of Health Sciences, University of Huddersfield, Queensgate, Huddersfield, UK
| | - John Stephenson
- Senior Lecturer in Biomedical Statistics, Department of Health Sciences, University of Huddersfield, Queensgate, Huddersfield, UK
| | - Liza McIlvenny
- Head of Integrated therapies, Stockport NHS FT, Podiatry Department, Stepping Hill Hospital, Poplar Grove, Hazel Grove, Stockport, UK
| | - Frank Webb
- Consultant Podiatric Surgeon, Derbyshire Community Health Services NHS FT, Department of Podiatric Surgery, Buxton Hospital, Buxton, Derbyshire, UK
| | - Aaron Barber
- Specialist Registrar in Podiatric Surgery, Stockport NHS FT, Podiatry Department, Stepping Hill Hospital, Poplar Grove, Hazel Grove, Stockport, UK
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17
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Marston S, Mirick Mueller G, Sabin A, Hansen GT, Lindgren B, Aparicio C, Armstrong AR, Larsen OH, Schmidt A, Kyle R, Gustilo R, Tsukayama D, Bechtold J, Bue M. Systemic versus free antibiotic delivery in preventing acute exogenous implant related infection in a rat model. J Orthop Res 2022; 40:429-438. [PMID: 33913540 DOI: 10.1002/jor.25052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 12/15/2020] [Accepted: 04/12/2021] [Indexed: 02/04/2023]
Abstract
We studied systemic ceftriaxone, and free/local tobramycin and doxycycline in a controlled rat model representing a generic acute exogenous joint infection. We hypothesized that evidence of infection (quantitative colony forming units [CFU], qualitative scanning electron microscopy [SEM], histopathology) (1a) would be reduced with local versus systemic antibiotic, (1b) any antibiotic would be superior to control, (2) there would be a difference among antibiotics, and (3) antibiotic would not be detectable in serum at 4-week euthanasia. Study groups included infected and noninfected (1) control (no treatment), (2) systemic ceftriaxone (daily), (3) local tobramycin, and (4) local doxycycline (10 rats/group; power = 0.8). With IACUC approval, a reliable acute exogenous joint infection was created by slowly injecting 50-μl, 104 CFU Staphylococcus aureus, into the distal femoral medullary canal. The antibiotic formulation was introduced locally to the femoral canal and joint space. After 4 weeks, serum, pin, bone, and synovium were obtained. CFU/ml of bone and synovium were quantified using macrotiter method. SEM imaged biofilm on the surface of the pin, histopathology identified tissue response, liquid chromatography/mass spectrometry quantified plasma antibiotic. (1) Groups receiving any antibiotic reported lower CFU/ml in synovium compared with no treatment. (2) In the synovium, free/local tobramycin reduced CFU/ml to a greater extent than free/local doxycycline (p < 0.05). (3) Antibiotic in plasma after the local application was nondetectable in all groups after 4 weeks. SEM revealed no difference in biofilm on pin among all groups.
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Affiliation(s)
- Scott Marston
- University of Minnesota, Minneapolis, Minnesota, USA
| | | | - Arick Sabin
- Hennepin Healthcare Research Institute, Minneapolis, Minnesota, USA
| | - Glen T Hansen
- University of Minnesota, Minneapolis, Minnesota, USA.,Hennepin Healthcare Research Institute, Minneapolis, Minnesota, USA
| | | | | | | | - Ole H Larsen
- Department of Clinical Biochemistry, Aarhus University Hospital, Aarhus, Denmark
| | - Andrew Schmidt
- University of Minnesota, Minneapolis, Minnesota, USA.,Hennepin Healthcare Research Institute, Minneapolis, Minnesota, USA
| | - Richard Kyle
- University of Minnesota, Minneapolis, Minnesota, USA.,Hennepin Healthcare Research Institute, Minneapolis, Minnesota, USA
| | - Ramon Gustilo
- University of Minnesota, Minneapolis, Minnesota, USA.,Hennepin Healthcare Research Institute, Minneapolis, Minnesota, USA
| | - Dean Tsukayama
- University of Minnesota, Minneapolis, Minnesota, USA.,Hennepin Healthcare Research Institute, Minneapolis, Minnesota, USA
| | - Joan Bechtold
- University of Minnesota, Minneapolis, Minnesota, USA.,Hennepin Healthcare Research Institute, Minneapolis, Minnesota, USA
| | - Mats Bue
- Department of Orthopaedic Surgery, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
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18
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Passarelli PC, Netti A, Lopez MA, Giaquinto EF, De Rosa G, Aureli G, Bodnarenko A, Papi P, Starzyńska A, Pompa G, D’Addona A. Local/Topical Antibiotics for Peri-Implantitis Treatment: A Systematic Review. Antibiotics (Basel) 2021; 10:antibiotics10111298. [PMID: 34827236 PMCID: PMC8615130 DOI: 10.3390/antibiotics10111298] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 10/13/2021] [Accepted: 10/22/2021] [Indexed: 11/16/2022] Open
Abstract
Most studies indicate that the mechanical removal of the bacterial biofilm from the implant surface is the central goal of peri-implantitis therapy. However, controversial results in the treatment of peri-implantitis have led to the consideration of additional strategies that include surgical approaches and chemical adjuvants. Local/topical antibiotics, such as minocycline, azithromycin, tetracycline, amoxicillin, doxycycline, and metronidazole, may improve the efficacy of the definitive treatment of the disease, but the lack of conclusive findings prevents their use in clinical practice. This systematic review aimed to evaluate the effect of local/topical antibiotics for peri-implantitis treatment. Randomised controlled studies (RCT) on patients with peri-implantitis and comparing the efficacy of local/topical antibiotics vs. placebo or mechanical debridement were included. A systematic search strategy was carried out using three registered databases (PubMed, Web of Science, and Scopus). RoB2 was used to assess risk of bias. Five RCTs were identified (n = 250 patients and 333 implants). Contrast results emerged among the included studies, and a high heterogeneity level was observed. Risk of bias revealed some concerns for three studies out of five, while one study was judged at high risk. Only one study analysed the limitations of its findings. Overall, local antibiotic use can be considered a valid approach in the treatment of peri-implantitis. Therefore, future long-term clinical trials with standardised protocols and antibiotics with similar biological activity profiles should be tested to achieve a valid and definitive conclusion.
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Affiliation(s)
- Pier Carmine Passarelli
- Department of Head and Neck and Sensory Organs, Division of Oral Surgery and Implantology, Institute of Clinical Dentistry, Gemelli Foundation for the University Policlinic, Catholic University of the “Sacred Heart”, 00168 Rome, Italy; (P.C.P.); (E.F.G.); (G.D.R.); (G.A.); (A.D.)
| | - Andrea Netti
- Department of Head and Neck and Sensory Organs, Division of Oral Surgery and Implantology, Institute of Clinical Dentistry, Gemelli Foundation for the University Policlinic, Catholic University of the “Sacred Heart”, 00168 Rome, Italy; (P.C.P.); (E.F.G.); (G.D.R.); (G.A.); (A.D.)
- Correspondence: ; Tel./Fax: +39-06-3015-4079
| | | | - Eleonora Favetti Giaquinto
- Department of Head and Neck and Sensory Organs, Division of Oral Surgery and Implantology, Institute of Clinical Dentistry, Gemelli Foundation for the University Policlinic, Catholic University of the “Sacred Heart”, 00168 Rome, Italy; (P.C.P.); (E.F.G.); (G.D.R.); (G.A.); (A.D.)
| | - Giuseppe De Rosa
- Department of Head and Neck and Sensory Organs, Division of Oral Surgery and Implantology, Institute of Clinical Dentistry, Gemelli Foundation for the University Policlinic, Catholic University of the “Sacred Heart”, 00168 Rome, Italy; (P.C.P.); (E.F.G.); (G.D.R.); (G.A.); (A.D.)
| | - Gianmarco Aureli
- Department of Head and Neck and Sensory Organs, Division of Oral Surgery and Implantology, Institute of Clinical Dentistry, Gemelli Foundation for the University Policlinic, Catholic University of the “Sacred Heart”, 00168 Rome, Italy; (P.C.P.); (E.F.G.); (G.D.R.); (G.A.); (A.D.)
| | - Alina Bodnarenko
- Department of Oral Surgery, Medical University of Gdańsk, 7 Dębinki Street, 80-211 Gdańsk, Poland; (A.B.); (A.S.)
| | - Piero Papi
- Department of Oral and Maxillofacial Sciences, Policlinico Umberto I, “Sapienza” University of Rome, 00161 Rome, Italy; (P.P.); (G.P.)
| | - Anna Starzyńska
- Department of Oral Surgery, Medical University of Gdańsk, 7 Dębinki Street, 80-211 Gdańsk, Poland; (A.B.); (A.S.)
| | - Giorgio Pompa
- Department of Oral and Maxillofacial Sciences, Policlinico Umberto I, “Sapienza” University of Rome, 00161 Rome, Italy; (P.P.); (G.P.)
| | - Antonio D’Addona
- Department of Head and Neck and Sensory Organs, Division of Oral Surgery and Implantology, Institute of Clinical Dentistry, Gemelli Foundation for the University Policlinic, Catholic University of the “Sacred Heart”, 00168 Rome, Italy; (P.C.P.); (E.F.G.); (G.D.R.); (G.A.); (A.D.)
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19
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Foster AL, Boot W, Stenger V, D'Este M, Jaiprakash A, Eglin D, Zeiter S, Richards RG, Moriarty TF. Single-stage revision of MRSA orthopedic device-related infection in sheep with an antibiotic-loaded hydrogel. J Orthop Res 2021; 39:438-448. [PMID: 33305875 DOI: 10.1002/jor.24949] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 12/04/2020] [Accepted: 12/07/2020] [Indexed: 02/04/2023]
Abstract
Local antimicrobial therapy is an integral aspect of treating orthopedic device-related infection (ODRI), which is conventionally administered via polymethyl-methacrylate (PMMA) bone cement. PMMA, however, is limited by a suboptimal antibiotic release profile and a lack of biodegradability. In this study, we compare the efficacy of PMMA versus an antibiotic-loaded hydrogel in a single-stage revision for chronic methicillin-resistant Staphylococcus aureus (MRSA) ODRI in sheep. Antibiofilm activity of the antibiotic combination (gentamicin and vancomycin) was determined in vitro. Swiss alpine sheep underwent a single-stage revision of a tibial intramedullary nail with MRSA infection. Local gentamicin and vancomycin therapy was delivered via hydrogel or PMMA (n = 5 per group), in conjunction with systemic antibiotic therapy. In vivo observations included: local antibiotic tissue concentration, renal and liver function tests, and quantitative microbiology on tissues and hardware post-mortem. There was a nonsignificant reduction in biofilm with an increasing antibiotic concentration in vitro (p = 0.12), confirming the antibiotic tolerance of the MRSA biofilm. In the in vivo study, four out of five sheep from each treatment group were culture-negative. Antibiotic delivery via hydrogel resulted in 10-100 times greater local concentrations for the first 2-3 days compared with PMMA and were comparable thereafter. Systemic concentrations of gentamicin were minimal or undetectable in both groups, while renal and liver function tests were within normal limits. This study shows that a single-stage revision with hydrogel or PMMA is equally effective, although the hydrogel offers certain practical benefits over PMMA, which make it an attractive proposition for clinical use.
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Affiliation(s)
- Andrew L Foster
- AO Research Institute Davos, Davos, Switzerland
- Queensland University of Technology (QUT), Faculty of Science and Engineering, Brisbane, Queensland, Australia
- Department of Orthopaedic Surgery and Jamieson Trauma Institute, Royal Brisbane and Women's Hospital Australia, Brisbane, Queensland, Australia
| | | | | | | | - Anjali Jaiprakash
- Queensland University of Technology (QUT), Faculty of Science and Engineering, Brisbane, Queensland, Australia
| | - David Eglin
- AO Research Institute Davos, Davos, Switzerland
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Schwarz EM, McLaren AC, Sculco TP, Brause B, Bostrom M, Kates SL, Parvizi J, Alt V, Arnold WV, Carli A, Chen AF, Choe H, Coraça‐Huber DC, Cross M, Ghert M, Hickok N, Jennings JA, Joshi M, Metsemakers W, Ninomiya M, Nishitani K, Oh I, Padgett D, Ricciardi B, Saeed K, Sendi P, Springer B, Stoodley P, Wenke JC. Adjuvant antibiotic-loaded bone cement: Concerns with current use and research to make it work. J Orthop Res 2021; 39:227-239. [PMID: 31997412 PMCID: PMC7390691 DOI: 10.1002/jor.24616] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 01/07/2020] [Accepted: 01/13/2020] [Indexed: 02/04/2023]
Abstract
Antibiotic-loaded bone cement (ALBC) is broadly used to treat orthopaedic infections based on the rationale that high-dose local delivery is essential to eradicate biofilm-associated bacteria. However, ALBC formulations are empirically based on drug susceptibility from routine laboratory testing, which is known to have limited clinical relevance for biofilms. There are also dosing concerns with nonstandardized, surgeon-directed, hand-mixed formulations, which have unknown release kinetics. On the basis of our knowledge of in vivo biofilms, pathogen virulence, safety issues with nonstandardized ALBC formulations, and questions about the cost-effectiveness of ALBC, there is a need to evaluate the evidence for this clinical practice. To this end, thought leaders in the field of musculoskeletal infection (MSKI) met on 1 August 2019 to review and debate published and anecdotal information, which highlighted four major concerns about current ALBC use: (a) substantial lack of level 1 evidence to demonstrate efficacy; (b) ALBC formulations become subtherapeutic following early release, which risks induction of antibiotic resistance, and exacerbated infection from microbial colonization of the carrier; (c) the absence of standardized formulation protocols, and Food and Drug Administration-approved high-dose ALBC products to use following resection in MSKI treatment; and (d) absence of a validated assay to determine the minimum biofilm eradication concentration to predict ALBC efficacy against patient specific micro-organisms. Here, we describe these concerns in detail, and propose areas in need of research.
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Affiliation(s)
- Edward M. Schwarz
- Department of Orthopaedics, Center for Musculoskeletal Research University of Rochester Rochester New York
| | - Alex C. McLaren
- Department of Orthopaedic Surgery, College of Medicine‐Phoenix University of Arizona Phoenix Arizona
| | - Thomas P. Sculco
- Department of Orthopaedic Surgery, Weill Cornell Medicine Hospital for Special Surgery New York New York
| | - Barry Brause
- Department of Infectious Diseases, Weill Cornell Medicine Hospital for Special Surgery New York New York
| | - Mathias Bostrom
- Department of Orthopaedic Surgery, Weill Cornell Medicine Hospital for Special Surgery New York New York
| | - Stephen L. Kates
- Department of Orthopaedic Surgery Virginia Commonwealth University Richmond Virginia
| | - Javad Parvizi
- Department of Orthopaedics Rothman Institute at Thomas Jefferson University Hospital Philadelphia Pennsylvania
| | - Volker Alt
- Department of Trauma Surgery University Medical Centre Regensburg Regensburg Germany
| | - William V. Arnold
- Department of Orthopaedics Rothman Institute at Thomas Jefferson University Hospital Philadelphia Pennsylvania
| | - Alberto Carli
- Department of Orthopaedic Surgery, Weill Cornell Medicine Hospital for Special Surgery New York New York
| | - Antonia F. Chen
- Department of Orthopaedics, Brigham and Women's Hospital Harvard Medical School Boston Massachusetts
| | - Hyonmin Choe
- Department of Orthopaedic Yokohama City University Yokohama Japan
| | - Débora C. Coraça‐Huber
- Department of Orthopaedic Surgery, Experimental Orthopedics, Research Laboratory for Biofilms and Implant Associated Infections Medical University of Innsbruck Innsbruck Austria
| | - Michael Cross
- Department of Orthopaedic Surgery, Weill Cornell Medicine Hospital for Special Surgery New York New York
| | - Michelle Ghert
- Division of Orthopaedic Surgery, Department of Surgery McMaster University Hamilton Ontario Canada
| | - Noreen Hickok
- Department of Orthopaedic Surgery, Department of Biochemistry & Molecular Biology Thomas Jefferson University Philadelphia Pennsylvania
| | | | - Manjari Joshi
- Division of Infectious Diseases, R Adams Cowley Shock Trauma Center University of Maryland Baltimore Maryland
| | | | - Mark Ninomiya
- Department of Orthopaedics, Center for Musculoskeletal Research University of Rochester Rochester New York
| | - Kohei Nishitani
- Department of Orthopaedic Surgery Graduate School of Medicine, Kyoto University Sakyo Kyoto Japan
| | - Irvin Oh
- Department of Orthopaedics, Center for Musculoskeletal Research University of Rochester Rochester New York
| | - Douglas Padgett
- Department of Orthopaedic Surgery, Weill Cornell Medicine Hospital for Special Surgery New York New York
| | - Benjamin Ricciardi
- Department of Orthopaedics, Center for Musculoskeletal Research University of Rochester Rochester New York
| | - Kordo Saeed
- Southampton University Hospitals NHS Foundation Trust, Department of Microbiology, Microbiology and Innovation Research Unit (MIRU) and University of Southampton, School of Medicine Southampton UK
| | - Parham Sendi
- Institute for Infectious Diseases University of Bern, Bern and Department of Infectious Diseases, Hospital Epidemiology and Department of Orthopaedics and Traumatology, University of Basel Basel Switzerland
- Department of Orthopaedics and Traumatology University Hospital Basel Basel Switzerland
| | - Bryan Springer
- Department of Orthopaedic Surgery, OrthoCarolina Hip and Knee Center Atrium Musculoskeletal Institute Charlotte North Carolina
| | - Paul Stoodley
- Department of Microbial Infection and Immunity and Orthopaedics The Ohio State University Columbus Ohio
| | - Joseph C. Wenke
- Orthopaedic Trauma Department U.S. Army Institute of Surgical Research Fort Sam Houston Texas
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21
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Sholapurkar A, Sharma D, Glass B, Miller C, Nimmo A, Jennings E. Professionally Delivered Local Antimicrobials in the Treatment of Patients with Periodontitis-A Narrative Review. Dent J (Basel) 2020; 9:2. [PMID: 33375176 DOI: 10.3390/dj9010002] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 12/19/2020] [Accepted: 12/21/2020] [Indexed: 12/19/2022] Open
Abstract
This review sheds light on the recent published scientific evidence relating to the use of professionally delivered local antimicrobial agents (LA’s). The review also analyses drug delivery systems available to date and provides an update on the latest scientific evidence about the benefits, limitations, and clinical results obtained by use of local drugs in the treatment of periodontal disease. The search strategy revealed randomized controlled trials (RCTs) that compared the efficacy of adjunctive LA’s to mechanical therapy alone. Based on the available evidence gathered from this review, we can infer that the use of local antimicrobial agents in conjunction to scaling and root debridement (SRD) delivers significant benefits in periodontal therapy and it is a useful aid, avoiding many of the side effects that systemic antibiotic therapy may involve. Local drug delivery (LDD) is an efficient and effective means of delivering drugs based on the evidence presented in the review. The authors of this review would suggest the use of local antimicrobials in cases of localized periodontitis or individual areas that do not respond to the usual mechanical therapy alone. This review summarizes the current use of local drug delivery in periodontal management ensuring that the general practitioners are able to choose an appropriate local antimicrobial.
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22
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Freischmidt H, Armbruster J, Reiter G, Grützner PA, Helbig L, Guehring T. Individualized Techniques of Implant Coating with an Antibiotic-Loaded, Hydroxyapatite/Calcium Sulphate Bone Graft Substitute. Ther Clin Risk Manag 2020; 16:689-694. [PMID: 32848402 PMCID: PMC7425659 DOI: 10.2147/tcrm.s242088] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Accepted: 06/28/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND The treatment of fracture- or non-union-related infections has persistently been a major challenge for both patients and treating surgeons. With rising aging of patients and increasing comorbidities, combined with the heterogeneity of germs and any number of multi-resistance against standard antibiotics, a successful treatment is increasingly difficult. One potential solution could be a custom-made individualized antibacterial coating of standard implants with a biphasic degradable biocarrier (Cerament G/V, supplied by Bonesupport AB, Lund, Sweden) that releases high doses of antibiotics around the bone-implant-interface. Here, we describe our technique of coating intramedullary nails, plates and press-fit shoulder endoprostheses which may prevent bacterial adhesion and biofilm formation. So far, there is very limited experience in individual coating of implants in hip or knee endoprostheses to prevent reoccurrence of surgical-site infection. Currently, no reports are available for coating of stems of shoulder prosthesis and nails or plates for fracture fixation. METHODS Here, we show our first experiences with a new individualized surgical technique of coating these implants with a resorbable antibiotic-loaded hydroxyapatite/calcium sulphate biocomposite to prevent biofilm formation and thereby recurrence of bone or joint infection. We describe three cases for coating of plates and nails for fracture fixation and coating of stems of a shoulder prosthesis. RESULTS No adverse events of the resorbable bone graft substitute were observed. In all of the cases, no recurrence of the infection was observed and osseointegration was achieved. After implant coating of the shoulder prosthesis, no radiological signs of loosening were detected. CONCLUSION We present a new surgical approach of a surface coating of plates, intramedullary nails or prostheses. The osteoconductive- and anti-inflammatory effect of the gentamicin- or vancomycin-loaded hydroxyapatite/calcium sulphate bone graft substitutes shows promising results.
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Affiliation(s)
- Holger Freischmidt
- Department of Trauma and Orthopedic Surgery, BG Trauma Center Ludwigshafen at Heidelberg University Hospital, Ludwigshafen am Rhein 67071, Germany
| | - Jonas Armbruster
- Department of Trauma and Orthopedic Surgery, BG Trauma Center Ludwigshafen at Heidelberg University Hospital, Ludwigshafen am Rhein 67071, Germany
| | - Gregor Reiter
- Department of Trauma and Orthopedic Surgery, BG Trauma Center Ludwigshafen at Heidelberg University Hospital, Ludwigshafen am Rhein 67071, Germany
| | - Paul Alfred Grützner
- Department of Trauma and Orthopedic Surgery, BG Trauma Center Ludwigshafen at Heidelberg University Hospital, Ludwigshafen am Rhein 67071, Germany
| | - Lars Helbig
- Clinic for Orthopedics and Trauma Surgery, Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Heidelberg69118, Germany
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Braun J, Eckes S, Rommens PM, Schmitz K, Nickel D, Ritz U. Toxic Effect of Vancomycin on Viability and Functionality of Different Cells Involved in Tissue Regeneration. Antibiotics (Basel) 2020; 9:E238. [PMID: 32397094 DOI: 10.3390/antibiotics9050238] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 05/01/2020] [Accepted: 05/03/2020] [Indexed: 01/10/2023] Open
Abstract
To prevent infections local delivery of antibiotics is a useful tool. Especially in bone fractures, vancomycin impregnated bone cements are often used allowing high concentrations of antibiotics at the infection side without high serum concentrations. However, besides potential pathogens, cells involved in tissue regeneration may also be affected by the drug. We investigated the effect of vancomycin on the viability and functionality on osteoblasts, endothelial cells, fibroblasts and skeletal muscle cells. Our results show that the viability of all cells analyzed was reduced by vancomycin and that the observed effects were time and concentration dependent. The most pronounced toxic effect was detected on day three when even the lowest concentration of 0.01 mg/ml led to a significant decrease in proliferation compared to control. Functionality assays of osteoblasts and skeletal muscle cells revealed a sensitive reaction of the cells to the drug, indicating that vancomycin is toxic to these cells during the process of differentiation. These data suggest that the vancomycin administration is critical for cell survival and function. Therefore, the concentration of administered antibiotics needs to be carefully evaluated to find a balance between defense against pathogens and functionality of host cells and tissues.
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De Meo D, Calogero V, Are L, Cavallo AU, Persiani P, Villani C. Antibiotic-Loaded Hydrogel Coating to Reduce Early Postsurgical Infections in Aseptic Hip Revision Surgery: A Retrospective, Matched Case-Control Study. Microorganisms 2020; 8:E571. [PMID: 32326577 DOI: 10.3390/microorganisms8040571] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 04/08/2020] [Accepted: 04/13/2020] [Indexed: 02/06/2023] Open
Abstract
Periprosthetic joint infections (PJIs) are a cause of frequent implant failure in revision hip replacement surgery. The purpose of this study is to evaluate the onset of early postoperative infections in patients who underwent hip surgery with cementless prostheses treated with an antibiotic loaded hydrogel on their surface, in addition to systemic prophylaxis, and compare them to a control group. The secondary objective was to evaluate the onset of any local and systemic adverse effects and interference with bone ingrowth processes and functional recovery. A retrospective observational study was conducted on patients who underwent revision hip surgery by performing a 1:1 match between patients treated with an antibiotic hydrogel (ALH) and the control patients. The incidence of PJIs was assessed with a minimum of six months follow-up. Seventeen patients treated with the ALH were compared with 17 patients from the control group. No PJIs were reported in the ALH group versus the six cases encountered in the control group (p < 0.0001). No significant differences were reported with regard to prosthetic osseointegration and functional results, nor were there side effects in the ALH group. Despite the low sample size, the use of on-site prophylaxis with ALH has proven effective and safe in reducing the risk of PJIs in patients with a high risk for infections. Further studies are needed to validate these results in other implant-related surgeries.
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25
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Schmid JL, Kirchberg M, Sarembe S, Kiesow A, Sculean A, Mäder K, Buchholz M, Eick S. In Vitro Evaluation of Antimicrobial Activity of Minocycline Formulations for Topical Application in Periodontal Therapy. Pharmaceutics 2020; 12:pharmaceutics12040352. [PMID: 32295046 PMCID: PMC7238147 DOI: 10.3390/pharmaceutics12040352] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 04/09/2020] [Accepted: 04/11/2020] [Indexed: 12/12/2022] Open
Abstract
Periodontal therapy using antimicrobials that are topically applied requires slow or controlled release devices. The in vitro antimicrobial activity of biodegradable polymer formulations that contain a new minocycline lipid complex (P-MLC) was evaluated. The new P-MLC formulations that contained 11.5% minocycline were compared with pure minocycline or an existing commercial formulation, which included determination of minimal inhibitory concentration (MIC) values against two oral bacteria and activity on six-species periodontal biofilm. Moreover, the flow of gingival crevicular fluid (GCF) was modeled up to 42 d and the obtained eluates were tested both for MIC values and inhibiting biofilm formation. In general, MICs of the P-MLC formulations were slightly increased as compared with pure minocycline. Biofilm formation was clearly inhibited by all tested formulations containing minocycline with no clear difference between them. In 3.5 d old biofilms, all formulations with 250 µg/mL minocycline decreased bacterial counts by 3 log10 and metabolic activity with no difference to pure antimicrobials. Eluates of experimental formulations showed superiority in antimicrobial activity. Eluates of one experimental formulation (P503-MLC) still inhibited biofilm formation at 28 d, with a reduction by 1.87 log10 colony forming units (CFU) vs. the untreated control. The new experimental formulations can easily be instilled in periodontal pockets and represent alternatives in local antimicrobials, and thus warrant further testing.
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Affiliation(s)
- Jan-Luca Schmid
- Laboratory of Oral Microbiology, Department of Periodontology, School of Dental Medicine, University of Bern, CH-3010 Bern, Switzerland;
| | - Martin Kirchberg
- Institute of Pharmacy, Martin-Luther University Halle, D-06120 Halle (Saale), Germany; (M.K.); (K.M.)
| | - Sandra Sarembe
- Characterization of Medical and Cosmetic Care Products, Fraunhofer Institute for Microstructures and Materials IMWS, D-06120 Halle/Saale, Germany; (S.S.); (A.K.)
| | - Andreas Kiesow
- Characterization of Medical and Cosmetic Care Products, Fraunhofer Institute for Microstructures and Materials IMWS, D-06120 Halle/Saale, Germany; (S.S.); (A.K.)
| | - Anton Sculean
- Department of Periodontology, School of Dental Medicine, University of Bern, CH-3010 Bern, Switzerland;
| | - Karsten Mäder
- Institute of Pharmacy, Martin-Luther University Halle, D-06120 Halle (Saale), Germany; (M.K.); (K.M.)
| | - Mirko Buchholz
- Drug Design and Target Validation, Fraunhofer Institute for Cell Therapy and Immunology IZI-MWT and PerioTrap Pharmaceuticals GmbH, D-06120 Halle/Saale, Germany;
| | - Sigrun Eick
- Laboratory of Oral Microbiology, Department of Periodontology, School of Dental Medicine, University of Bern, CH-3010 Bern, Switzerland;
- Correspondence:
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Metsemakers WJ, Fragomen AT, Moriarty TF, Morgenstern M, Egol KA, Zalavras C, Obremskey WT, Raschke M, McNally MA; Fracture-Related Infection (FRI) consensus group. Evidence-Based Recommendations for Local Antimicrobial Strategies and Dead Space Management in Fracture-Related Infection. J Orthop Trauma 2020; 34:18-29. [PMID: 31464858 DOI: 10.1097/BOT.0000000000001615] [Citation(s) in RCA: 78] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Fracture-related infection (FRI) remains a challenging complication that imposes a heavy burden on orthopaedic trauma patients. The surgical management eradicates the local infectious focus and if necessary facilitates bone healing. Treatment success is associated with debridement of all dead and poorly vascularized tissue. However, debridement is often associated with the formation of a dead space, which provides an ideal environment for bacteria and is a potential site for recurrent infection. Dead space management is therefore of critical importance. For this reason, the use of locally delivered antimicrobials has gained attention not only for local antimicrobial activity but also for dead space management. Local antimicrobial therapy has been widely studied in periprosthetic joint infection, without addressing the specific problems of FRI. Furthermore, the literature presents a wide array of methods and guidelines with respect to the use of local antimicrobials. The present review describes the scientific evidence related to dead space management with a focus on the currently available local antimicrobial strategies in the management of FRI. LEVEL OF EVIDENCE:: Therapeutic Level V. See Instructions for Authors for a complete description of levels of evidence.
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van der Horst AS, Medda S, Ledbetter E, Liu A, Weinhold P, Del Gaizo DJ, Dahners L. Combined local and systemic antibiotic treatment is effective against experimental Staphylococcus aureus peri-implant biofilm infection. J Orthop Res 2015; 33:1320-6. [PMID: 25877525 DOI: 10.1002/jor.22910] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2015] [Accepted: 03/17/2015] [Indexed: 02/04/2023]
Abstract
We hypothesized that systemic ceftriaxone and high concentration local antibiotics might eradicate peri-implant sepsis. Experiment 1: Eighty-four implants inoculated with biofilm-forming Staphylococcus aureus were treated in vitro with gentamicin, vancomycin, gentamicin + rifampin, or vancomycin + rifampin for 2, 4, or 8 days. Experiment 2: Forty-five implants were wired in vivo to rat femurs and inoculated with 1 × 10(6) CFU S. aureus. After 48 h, rats were treated once daily for 5 days with systemic ceftriaxone, local tobramycin or ceftriaxone, and tobramycin. Experiment 3: Forty implants with established S. aureus biofilms were wired in vivo to rat femurs. After 48 h, rats were treated with systemic ceftriaxone alone or in combination with local gentamicin, gentamicin and rifampin, or vancomycin. Experiment 1: 100% of implants treated in vitro with gentamicin were sterile after 48 h. The other treatments did not become sterile until 4 days. Experiment 2: No implant was culture negative. The combination of systemic ceftriaxone and local tobramycin was significantly better than others (p < 0.008). Experiment 3: Systemic ceftriaxone alone was ineffective. All implants treated with systemic ceftriaxone and local gentamicin were sterile (p < 0.001), the other groups were less effective.
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Affiliation(s)
| | - Suman Medda
- School of Medicine, University of North Carolina, Chapel Hill, North Carolina
| | - Ethan Ledbetter
- School of Medicine, University of North Carolina, Chapel Hill, North Carolina
| | - Alexander Liu
- School of Medicine, University of North Carolina, Chapel Hill, North Carolina
| | - Paul Weinhold
- Orthopaedic Research Labs, University of North Carolina, Chapel Hill, North Carolina
| | - Daniel J Del Gaizo
- Department of Orthopaedics, University of North Carolina, Chapel Hill, North Carolina
| | - Laurence Dahners
- Department of Orthopaedics, University of North Carolina, Chapel Hill, North Carolina
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Craig J, Fuchs T, Jenks M, Fleetwood K, Franz D, Iff J, Raschke M. Systematic review and meta-analysis of the additional benefit of local prophylactic antibiotic therapy for infection rates in open tibia fractures treated with intramedullary nailing. Int Orthop 2014; 38:1025-30. [PMID: 24531401 PMCID: PMC3997785 DOI: 10.1007/s00264-014-2293-2] [Citation(s) in RCA: 74] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/10/2013] [Accepted: 01/27/2014] [Indexed: 11/30/2022]
Abstract
PURPOSE This analysis compared the rate of deep wound infections in patients with open tibia fractures, treated with intramedullary nails, receiving additional locally-delivered antibiotics to those receiving standard care. METHODS Two systematic literature searches identified studies reporting infection rates in patients treated with intramedullary nails for tibia fractures receiving systemic antibiotics only (search one) and in patients receiving adjunctive locally-administered antibiotics peri-operatively at the tissue-implant interface (search two). After applying inclusion and exclusion criteria, 14 and seven papers from searches one and two, respectively, were included in meta-analyses. RESULTS The absolute rate of infection was lower for all Gustilo-Anderson grades of tibia fractures when local antibiotics were administered as adjunctive prophylactic therapy. For severe fractures, classified as GAIII fractures, patients receiving systemic antibiotics only had an infection rate of 14.4 % [95 % CI: 10.5 %, 18.5 %]; adding local antibiotics reduced the rate to 2.4 % [0.0 %, 9.4 %], with an odds ratio of 0.17. Risk of deep wound infections increased with severity of fracture, rising to over 31 % in GIIIB&C fractures for patients receiving systematic antibiotics only, but to below 9 % with additional local antibiotics. CONCLUSION The findings support consideration of augmenting the antibiotic prophylaxis regimen to include locally-delivered antibiotics. Patients with severe fractures will obtain greatest benefit from infections avoided. No trial directly compared the two treatments for open tibia fractures, limiting the ability to attribute the differences in observed infection rates directly to the treatments themselves. A large comparative study to improve the evidence on relative effect size is merited. LEVEL OF EVIDENCE Level III.
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Affiliation(s)
- Joyce Craig
- York Health Economics Consortium, University of York, York, YO10 5NH, UK,
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