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Wagala NN, Fatora G, Brown C, Lesniak BP. Complications in Anterior Cruciate Ligament Surgery and How to Avoid Them. Clin Sports Med 2024; 43:465-477. [PMID: 38811122 DOI: 10.1016/j.csm.2023.08.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2024]
Abstract
Complications following anterior cruciate ligament (ACL) reconstruction can be detrimental to a patient's recovery and limit their ability to successfully return to sport. Arthrofibrosis, graft failure, and infection are a few examples of complications that can arise. Therefore, it is important for surgeons to recognize that each step during perioperative surgical decision making can impact patients' risk for such complications. The purpose of this paper is to discuss common complications following ACL reconstruction and how surgeons can avoid or reduce the risk of complications.
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Affiliation(s)
- Nyaluma N Wagala
- Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Gabrielle Fatora
- Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Cortez Brown
- Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Bryson P Lesniak
- Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA, USA.
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Tang H, Xiao YF, Liu WJ, Meng JH, Wu YM, Xiong YL, Gao SG. Preferences in anterior cruciate ligament reconstruction: A survey among orthopedic surgeons in China. Medicine (Baltimore) 2024; 103:e36482. [PMID: 38363894 PMCID: PMC10869037 DOI: 10.1097/md.0000000000036482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Accepted: 11/14/2023] [Indexed: 02/18/2024] Open
Abstract
The purpose of this study was to reveal the current trends and preferences of Chinese orthopedic surgeons regarding anterior cruciate ligament (ACL) reconstruction through a nationwide web-based survey conducted in China. The survey questionnaire was distributed via WeChat to the chairmen of provincial orthopedic and sports medicine organizing committees in China, who then shared it in their respective WeChat workgroups. The questionnaire consisted of 52 multiple-choice questions covering 8 sections. Data collection was implemented by Questionnaire Star. A total of 812 valid questionnaires were returned: 94.21% of the respondents preferred single-bundle reconstruction of ACL, while 61.70% preferred autogenous semitendinosus plus gracilis reconstruction; 76.35% of the respondents preferred establishing the femoral tunnel first, while 47.29% preferred establishing the femoral tunnel through a medial auxiliary approach; and 85.10% of the respondents recommended patients to undergo surgery within 3 months after ligament injury. Besides, the vast majority of respondents chose to retain the ligamentous remnant bundle (92.98%) and recommended routine use of knee braces postoperatively (94.09%). It is recommended to perform arthroscopic single-bundle ACL reconstruction with the remnant preserving technique using a hamstring autograft within 3 months of ACL rupture, with support of postoperative functional braces.
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Affiliation(s)
- Hang Tang
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China
| | - Yi-fan Xiao
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China
| | - Wei-jie Liu
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China
| | - Jia-hao Meng
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China
| | - Yu-mei Wu
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China
| | - Yi-lin Xiong
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China
- Hunan Key Laboratory of Joint Degeneration and Injury, Changsha, China
- Hunan Engineering Research Center of Osteoarthritis, Changsha, China
- National Clinical Research Center of Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Shu-guang Gao
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China
- Hunan Key Laboratory of Joint Degeneration and Injury, Changsha, China
- Hunan Engineering Research Center of Osteoarthritis, Changsha, China
- National Clinical Research Center of Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
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The Practices and Attitudes of Saudi Plastic Surgeons in Managing Contaminated Autologous Grafts. Plast Reconstr Surg Glob Open 2022; 10:e4475. [PMID: 36032366 PMCID: PMC9400940 DOI: 10.1097/gox.0000000000004475] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 06/21/2022] [Indexed: 11/26/2022]
Abstract
Background: The use of autologous grafts is a standard reconstructive option in plastic surgery. The absence of a well-established protocol for decontamination after accidental contamination increases the risk of postoperative infection. We aimed to explore the current practice and decontamination methods among Saudi plastic surgeons. This would help develop a well-established, unified method of decontamination intraoperatively. Methods: A validated self-administered questionnaire cross-sectional study was conducted in February 2022. The questionnaire was distributed through social media to all board-certified plastic surgeons in Saudi Arabia. The questionnaire was designed to obtain data on incidents, treatment preferences, and management of autograft contamination. Results: A total sample size of 61 participants was included, with an overall response rate of 64.58%. Out of the 61 respondents, 73.8% (n = 45) had previously experienced graft contamination. Regarding the methods of graft contamination, the most common way was accidentally dropping the graft on the floor (39.7%, n = 25). The majority of the surgeons answered that they decontaminated the graft using povidone-iodine (44.6%, n = 29) and then used it (45.9%, n = 28). The lower extremity area was the most common anatomical location having surgery at the time of the graft contamination, accounting for 32.5% of the cases (n = 25). Conclusions: Our study indicates that graft contamination is a common occurrence among our population, but we lack national guidelines on dealing with these situations. Although most responders used adequate decontamination methods, the lack of standardization could pose a risk to patients.
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Management of Intraoperative Graft-related Challenges in Anterior Cruciate Ligament Reconstruction. J Am Acad Orthop Surg 2022; 30:448-456. [PMID: 35294421 DOI: 10.5435/jaaos-d-21-00350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 01/28/2022] [Indexed: 02/01/2023] Open
Abstract
Anterior cruciate ligament reconstruction (ACLR) is one of the most frequently performed procedures in orthopaedic sports medicine. Intraoperative challenges related to graft procurement, graft preparation, and graft placement are common. Frequently encountered difficulties include insufficient graft diameter and graft-tunnel length mismatches, whereas less frequent challenges may be encountered during graft harvest and handling. This article discusses these possible complications and the strategies for their prevention and management. For successful ACLR, clinicians must be prepared to address each of these potential sources of difficulty.
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Altınayak H, Öner SZ, Özdemir S. Evaluating bacterial contamination of free bone fragments falling to the ground and the effectiveness of antiseptic solutions. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY AND TRAUMATOLOGY 2021; 32:459-465. [PMID: 34014390 DOI: 10.1007/s00590-021-02978-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 04/12/2021] [Indexed: 11/30/2022]
Abstract
OBJECTIVES This study aims to determine the contamination incidence rate of bone fragments that have been dropped on the floor of the operating theatre, as well as how effective antimicrobial solutions are at decontaminating them. METHODS Bone fragments obtained after 30 total knee arthroplasties were used in the study. Inert pieces of bone emerging after the bone cuts during total knee arthroplasty were divided into 1 × 1 cm fragments. The bone fragments were first left in free fall on the floor of the operating theatre and then were kept in a number of antimicrobial solutions for 15 s. Subsequently, they were microbiologically and histopathologically examined. A swab culture was also taken from the floor of the operating theatre. RESULTS It was determined that 63.3% of osteochondral fragments in the non-intervened group were contaminated. Growth was likewise detected in all swab cultures. Microorganisms growing in the swab culture and the non-intervened group were similar and mostly Staphylococcus epidermidis and Klebsiella pneumoniae. When the growth rates of the 10% povidone-iodine and 4% chlorhexidine gluconate groups were compared with the growth rate of the non-intervened group, a statistical difference was found. No difference was determined between the growth rates of the sodium hypochlorite and the non-intervened groups. The histopathological analysis revealed no statistical difference between the groups in terms of bone marrow, vascular structure, fat tissue, and osteoblastic activity results in the osteochondral fragments CONCLUSION: Bone tissues dropped from a sterile area on the floor of the operating theatre are highly contaminated. An effective decontamination without bone cell toxicity was achieved using povidone-iodine. Although chlorhexidine gluconate solution had an effective decontamination effect compared to the non-intervened group, it was not 100% effective. Sodium hypochlorite solution was not effective in the decontamination of grafts under our working conditions.
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Affiliation(s)
- Harun Altınayak
- Department of Orthopedics and Traumatology, Samsun Training and Research Hospital, Health Sciences University, Samsun, Turkey.
| | - Sedef Zeliha Öner
- Department of Medical Microbiology, Pamukkale University, School of Medicine, Çamlaraltı, Pamukkale Ünv. Hastane Yolu, Pamukkale/Denizli , 20070, Turkey
| | - Süleyman Özdemir
- Department of Medical Pathology, T. C. Ministry of Health Tokat Provincial Health Directorate Turhal State Hospital, Maraşal Fevzi Çakmak Mah.Nurkavak Cad.No:50, 60300, Turhal/Tokat, Turkey
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Shen X, Qin Y, Zuo J, Liu T, Xiao J. Comparison of the Sterilization Efficiency of 3 Disinfectants for Dropped Anterior Cruciate Ligament Grafts: A Systematic Review and Meta-analysis. Orthop J Sports Med 2021; 9:23259671211002873. [PMID: 33997076 PMCID: PMC8113656 DOI: 10.1177/23259671211002873] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Accepted: 12/16/2020] [Indexed: 11/15/2022] Open
Abstract
Background: The inadvertent contamination of anterior cruciate ligament (ACL) grafts can occur if they are accidentally dropped on the floor during ACL reconstruction. There has been no meta-analysis conducted to compare the sterilization efficiency of the different disinfectants used on dropped ACL grafts. Purpose: To compare the sterilization efficiency of 3 disinfectants to decontaminate ACL grafts as necessary. Study Design: Systematic review. Methods: A systematic literature review was performed using the MEDLINE, Embase, and Cochrane Library databases. All studies reporting the management of dropped or contaminated grafts were considered for this meta-analysis. Results: A total of 7 studies meeting inclusion criteria were identified from a literature search. The pooled results of this meta-analysis indicated that the rate of positive cultures of ACL grafts dropped on the operating room floor was 44.9% and that the commonly contaminated microbes were staphylococci and bacilli. The meta-analysis results indicated that the sterilization efficiency of a 4% chlorhexidine solution was superior to an antibiotic solution (odds ratio [OR], 0.17 [95% CI, 0.05-0.57]; P = .004) and a 10% povidone-iodine solution (OR, 0.04 [95% CI, 0.01-0.20]; P < .0001). Further, the antibiotic solution was superior to the 10% povidone-iodine solution (OR, 0.20 [95% CI, 0.07-0.55]; P = .002). Conclusion: The results of our meta-analysis demonstrated that staphylococci and bacilli were the most common contaminants on dropped ACL grafts and that decontamination using a 4% chlorhexidine solution more reliably disinfected ACL grafts. This information can help to guide surgeons as regards appropriate remedial measures.
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Affiliation(s)
- Xianyue Shen
- Department of Orthopedics, The Second Hospital, Jilin University, Changchun, China
| | - Yanguo Qin
- Department of Orthopedics, The Second Hospital, Jilin University, Changchun, China
| | - Jianlin Zuo
- Department of Orthopedics, China-Japan Union Hospital, Jilin University, Changchun, China
| | - Tong Liu
- Department of Orthopedics, China-Japan Union Hospital, Jilin University, Changchun, China
| | - Jianlin Xiao
- Department of Orthopedics, China-Japan Union Hospital, Jilin University, Changchun, China
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Contamination and Decontamination of Autologous Bone in the Operating Room: A Systematic Review. J Orthop Trauma 2021; 35:65-70. [PMID: 33109957 DOI: 10.1097/bot.0000000000001908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/24/2020] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To perform a systematic review of the literature to determine the rate of contamination of autologous bone fragments inadvertently dropped on the operating room floor, the microbial profile (contaminating organism), and the outcome of intraoperative decontamination techniques in terms of effectiveness and cellular toxicity. DATA SOURCES PubMed, Medline, and Embase were searched for English literature published from 1990 through 2020 using terms such as "bone graft contamination," "dropped osteoarticular fragments," "autogenous bone decontamination," and similar interchangeable words. STUDY SELECTION Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines were followed. Inclusion criteria consisted of all studies on contamination of host bone fragments, means and/or rate of autologous bone contamination in operating rooms, microbial analysis of contaminated bone autograft, outcome of decontamination, and cellular viability after decontamination. DATA EXTRACTION All potentially eligible studies underwent a full-text review and cross-referencing after title and abstract screening. Data on authors, publication year, study type, means and rate of contamination, microbial profile, decontamination technique, and effectiveness and cellular toxicity outcomes were extracted. DATA SYNTHESIS Analysis and synthesis of data were performed on Microsoft Excel 2016. CONCLUSION The rate of contamination for dropped osteoarticular or osteochondral host fragment approached 40%. Staphylococcus epidermidis was the most common organism contaminating the bone graft when dropped on the operating room floor. A 5-minute bath in 10% povidone-iodine solution followed by 1-minute bulb syringe lavage with normal saline has proved successful in decontamination and maintenance of cellular viability. LEVEL OF EVIDENCE Therapeutic Level IV. See Instructions for Authors for a complete description of levels of evidence.
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Luciano RC, Macedo ÍS, Pereira RHN, Pereira DB, Luciano DV. Intraoperative graft decontamination during ACL reconstruction surgery. Rev Bras Ortop 2020; 55:410-414. [PMID: 32904805 PMCID: PMC7458738 DOI: 10.1055/s-0039-1700830] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Accepted: 07/31/2019] [Indexed: 12/03/2022] Open
Abstract
Objective
To evaluate different decontaminants for tendon grafts, proposing an antiseptic protocol for contaminated grafts.
Methods
A total of 25 patients were tissue donors for the study. Each participant donated a 2.5-cm tendon sample, which was divided into 5 fragments with 5 mm each during anterior cruciate ligament (ACL) reconstruction surgery. The collected material was divided into 5 groups, totaling 125 samples. In total, four fragments of each patient were placed on the operating room floor for one minute for contamination, simulating the fall of the graft on the floor during surgery. The other fragment was immediately placed in a sterile container (group 1). One of the contaminated fragments was placed in the sterile container without being previously immersed in decontaminating solution (group 2). The remaining fragments were immersed for ten minutes in decontaminating solution: 0.5% chlorhexidine (group 3), 0.9% saline (group 4) and 0.55% ortho-phthalaldehyde (group 5), and, after this time, they were individually placed in a sterile container. The samples from the 5 groups were submitted to microbiological examination.
Results
Bacteria were detected in 26% of the total samples in the microbiological tests, and in group 1 there was no growth of microorganisms. In group 2, bacterial growth was observed in 16 samples. Considering the evaluation of test groups 3, 4 and 5, the percentage of decontamination was higher than the growth of microorganisms in the respective cultures.
Conclusion
The protocol suggested by the study showed that intraoperative graft decontamination is possible.
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Hamstring Tendon Autograft Contamination in Anterior Cruciate Ligament Reconstruction: Comparison between two Harvesting Techniques. Rev Bras Ortop 2019; 54:45-52. [PMID: 31363242 PMCID: PMC6424811 DOI: 10.1016/j.rbo.2017.09.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2017] [Accepted: 09/05/2017] [Indexed: 11/24/2022] Open
Abstract
Objective To evaluate the contamination rate of hamstring tendon autografts by comparing two different techniques, and to verify whether intraoperative contamination is associated with the development of clinical infection in patients submitted to reconstruction of the anterior cruciate ligament (ACL). Methods A total of 110 hamstring tendon autograft ACL reconstructions were performed and divided into two groups: 1–hamstring tendon retraction technique; and 2 - technique maintaining the tibial insertion of the hamstring tendon. During the preparation, two graft fragments were sent for culturing; the harvesting time, the preparation time, and the total surgery time were measured. Twenty-four hours after the surgery, the C-reactive protein was assayed. The clinical outpatient follow-up was performed up to 180 days postoperatively. Results
Although there were two postoperative infections, there was no graft contamination or difference between the groups in relation to the graft preparation time and to the 24-hour postoperative C-reactive protein assessment. The classic technique presented a longer graft harvesting time (
p
= 0.038), and there was no statistical difference between the 2 groups regarding the degree of contamination and consequent clinical infection, although 2 patients in group 2 presented with infection, with negative perioperative cultures.
Conclusion Based on the results obtained, there was no association between graft contamination and the time or technique of its preparation. In addition, there was also no association between intraoperative contamination and the development of clinical infection, nor was there any sign of an association between the early alteration of C-reactive protein and the onset of infection.
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Alomar AZ, Alfayez SM, Somily AM. Hamstring autografts are associated with a high rate of contamination in anterior cruciate ligament reconstruction. Knee Surg Sports Traumatol Arthrosc 2018; 26:1357-1361. [PMID: 28852791 DOI: 10.1007/s00167-017-4686-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Accepted: 08/16/2017] [Indexed: 01/26/2023]
Abstract
PURPOSE To quantitatively evaluate the rate, type, and level of contamination of anterior cruciate ligament (ACL) hamstring autografts after harvesting and preparation or dropping onto the operating room (OR) floor. METHODS Two hamstring autograft specimens were prospectively retrieved from each graft in a consecutive series of 50 patients undergoing primary isolated ACL reconstruction (100 specimens total). One specimen was retrieved immediately after harvesting and dropped onto the OR floor (dropped group). The other was retrieved just after graft implantation and before fixation (control group). Each specimen was incubated for aerobic and anaerobic growth, and the number of colony-forming units (CFU)/g was measured. Patients' clinical course was monitored for signs of surgical site infection (SSI). RESULTS The control and dropped groups had positive culture rates of 11/50 (22%) and 16/50 (32%), respectively, with no significant difference between groups (n.s.). The most common organism in the control group was Staphylococcus epidermidis (45.5%) followed by S. aureus (36.4%). In the dropped group, the most common organism was S. epidermidis (31.3%) followed by Bacillus species (25%). The median (range) CFU/g among positive specimens in the dropped and control groups was 65 (8-150) and 10 (2-60), respectively (P = 0.0003). No patient developed postoperative SSI. CONCLUSION Intraoperative hamstring autograft contamination rates were high. Hence, routine prophylactic decontamination of all hamstring autografts after harvesting and preparation and before implantation is recommended. LEVEL OF EVIDENCE Controlled laboratory study.
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Affiliation(s)
- Abdulaziz Z Alomar
- Head of Sports Medicine and Arthroscopy Division, Orthopaedic Department, College of Medicine, King Saud University, Riyadh, Saudi Arabia.
| | - Saud M Alfayez
- Orthopaedic Department, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Ali M Somily
- Department of Pathology and Laboratory Medicine/Microbiology Unit, College of Medicine, King Saud University, Riyadh, Saudi Arabia
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Ekhtiari S, Kay J, de Sa D, Simunovic N, Musahl V, Peterson DC, Ayeni OR. What Makes a Successful Survey? A Systematic Review of Surveys Used in Anterior Cruciate Ligament Reconstruction. Arthroscopy 2017; 33:1072-1079.e3. [PMID: 28351554 DOI: 10.1016/j.arthro.2017.01.032] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Revised: 01/03/2017] [Accepted: 01/05/2017] [Indexed: 02/02/2023]
Abstract
PURPOSE To characterize and assess the methodological quality of patient and physician surveys related to anterior cruciate ligament reconstruction, and to analyze the factors influencing response rate. METHODS The databases MEDLINE, Embase, and PubMed were searched from database inception to search date and screened in duplicate for relevant studies. Data regarding survey characteristics, response rates, and distribution methods were extracted. A previously published list of recommendations for high-quality surveys in orthopaedics was used as a scale to assess survey quality (12 items scored 0, 1, or 2; maximum score = 24). RESULTS Of the initial 1,276 studies, 53 studies published between 1986 and 2016 met the inclusion criteria. Sixty-four percent of studies were distributed to physicians, compared with 32% distributed to patients and less than 4% to coaches. The median number of items in each survey was 10.5, and the average response rate was 73% (range: 18% to 100%). In-person distribution was the most common method (40%), followed by web-based methods (28%) and mail (25%). Response rates were highest for surveys targeted at patients (77%, P < .0001) and those delivered in-person (94%, P < .0001). The median quality score was 12/24 (range = 8.5/24 to 21/24). There was high inter-rater agreement using the quality scale (intraclass correlation coefficient = 0.92), but there was no correlation with the response rate (Rho = -0.01, P = .97). CONCLUSIONS Response rates vary based on target audience and distribution methods, with patients responding at a significantly higher rate than physicians and in-person distribution yielding significantly higher response rates than web or mail surveys. LEVEL OF EVIDENCE Level IV, systematic review of Level IV studies.
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Affiliation(s)
- Seper Ekhtiari
- Michael G. DeGroote School of Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Jeffrey Kay
- Michael G. DeGroote School of Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Darren de Sa
- Division of Orthopaedic Surgery, Department of Surgery, McMaster University, Hamilton, Ontario, Canada
| | - Nicole Simunovic
- Centre for Evidence Based Orthopaedics, Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada
| | - Volker Musahl
- Division of Orthopedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, U.S.A
| | - Devin C Peterson
- Division of Orthopaedic Surgery, Department of Surgery, McMaster University, Hamilton, Ontario, Canada
| | - Olufemi R Ayeni
- Division of Orthopaedic Surgery, Department of Surgery, McMaster University, Hamilton, Ontario, Canada.
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Nadarajah V, Roach R, Ganta A, Alaia MJ, Shah MR. Primary anterior cruciate ligament reconstruction: perioperative considerations and complications. PHYSICIAN SPORTSMED 2017; 45:165-177. [PMID: 28276989 DOI: 10.1080/00913847.2017.1294012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Anterior cruciate ligament (ACL) injuries are among the most commonly studied orthopaedic injuries. Despite having an excellent prognosis, complications do occur. The timely recognition and management of complications is imperative to ensure the success of reconstruction. Avoiding such complications requires thorough preoperative planning, proficient technical skills to properly manage intraoperative complications, and an extensive knowledge of possible postoperative complications.
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Affiliation(s)
- Vidushan Nadarajah
- a Department of Orthopaedic Surgery , SUNY Downstate Medical Center , Brooklyn , NY , USA
| | - Ryan Roach
- b Department of Orthopaedic Surgery , New York University Langone Medical Center, Hospital for Joint Diseases , New York , NY , USA
| | - Abhishek Ganta
- b Department of Orthopaedic Surgery , New York University Langone Medical Center, Hospital for Joint Diseases , New York , NY , USA
| | - Michael J Alaia
- b Department of Orthopaedic Surgery , New York University Langone Medical Center, Hospital for Joint Diseases , New York , NY , USA
| | - Mehul R Shah
- b Department of Orthopaedic Surgery , New York University Langone Medical Center, Hospital for Joint Diseases , New York , NY , USA
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Alomar AZ, Somily AM, Alraiyes TM, Bin Nasser AS, Aljassir FF. Quantification Analysis of the Intraoperative Bacterial Contamination Rate and Level in Osteochondral Autografts. Am J Sports Med 2016; 44:761-6. [PMID: 26792701 DOI: 10.1177/0363546515622397] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Inadvertent contamination of osteochondral (OC) autografts during harvesting and preparation can lead to significant complications and can cause the operating team to weigh the infection risk after reimplantation against discarding the OC fragment. The most commonly reported contamination mechanism is the accidental dropping of an OC fragment; however, associated contamination levels remain unclear. The rate and level of contamination during standard harvesting and preparation are also unknown. PURPOSE To quantitatively evaluate the rate and level of bacterial contamination of OC autografts during harvesting and preparation compared with those of accidently dropped autografts. STUDY DESIGN Controlled laboratory study. METHODS Under sterile conditions, 138 fresh OC specimens were harvested and retrieved from 23 primary total knee arthroplasties (TKAs). Six OC fragments were retrieved from each TKA: 3 were used as controls, and 3 were dropped onto the operating room floor. Each specimen was incubated to allow for aerobic and anaerobic growth, and the number of colony-forming units (CFUs) per gram was calculated. RESULTS Contamination rates (positive cultures) for the control and dropped groups were 29% (n = 20/69) and 42% (n = 29/69), respectively. The difference in the contamination rate between groups was not statistically significant (P = .109). The most common organisms identified were Staphylococcus aureus (40%) in the control group and Staphylococcus epidermidis (24.1%) and Bacillus species (20.7%) in the dropped group. The contamination level (CFUs/g) for both groups was low. The median (range) CFUs/g among the contaminated specimens in the dropped and control groups were 27 (1-120) and 3 (1-15), respectively (P < .0001). CONCLUSION A relatively high rate of OC autograft contamination can be expected during harvesting and preparation (29%) or after accidentally dropping a specimen (42%). Although the types of organisms isolated differed between specimens contaminated during harvesting and preparation and dropped specimens, the quantification of the autograft contamination level revealed a very low CFUs/g in both cases. CLINICAL RELEVANCE The intraoperative autograft contamination level is very low. Hence, in cases of grafts with a known contamination incident, saving and reimplanting them after proper decontamination is recommended over discarding them or using an allograft.
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Affiliation(s)
- Abdulaziz Z Alomar
- Orthopaedic Department, King Saud University Medical City, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Ali Mohammed Somily
- Department of Pathology and Laboratory Medicine/Microbiology Unit, King Saud University Medical City, College of Medicine, King Saud University. Riyadh, Saudi Arabia
| | | | - Ahmad S Bin Nasser
- Orthopaedic Department, King Saud University Medical City, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Fawzi F Aljassir
- Orthopaedic Department, King Saud University Medical City, College of Medicine, King Saud University, Riyadh, Saudi Arabia
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When the tendon autograft is dropped accidently on the floor: A study about bacterial contamination and antiseptic efficacy. Knee 2015; 22:380-3. [PMID: 26047924 DOI: 10.1016/j.knee.2014.07.027] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2014] [Revised: 07/22/2014] [Accepted: 07/23/2014] [Indexed: 02/02/2023]
Abstract
BACKGROUND Inadvertent contamination of the autograft can occur during anterior cruciate ligament (ACL) reconstruction if the autograft is dropped on the floor during surgery. A study was undertaken to determine the incidence of contamination when a graft is dropped on the operating room floor and the efficacy of antimicrobial solutions to decontaminate it. METHODS Samples from 25 patients undergoing ACL reconstruction with a hamstring tendon were sectioned and dropped onto the floor. Cultures were taken after immersion in antiseptic solutions (a chlorhexidine gluconate solution (group 1), a povidone-iodine solution (group 2), and a sodium hypochlorite solution (group 3)). A fourth piece (group 0) was cultured without being exposed to any solution. Cultures of a floor swab were taken at the same time. RESULTS The floor swab cultures were positive in 96% of cases. The rate of contamination was 40% in group 0, 8% in group 1, 4% in group 2, and 16% in group 3. There was a significant difference between groups 1 and 2 and group 0 (p<0.05) but not between groups 3 and 0. CONCLUSIONS Immersing a graft dropped on the floor during surgery in a chlorhexidine gluconate solution or povidone-iodine solution significantly reduces contamination of the graft. Soaking of the hamstring autograft in one of these solutions is recommended in the case of inadvertent contamination. CLINICAL RELEVANCE Laboratory investigation (level 2).
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Campbell J, Filardo G, Bruce B, Bajaj S, Friel N, Hakimiyan A, Wood S, Grumet R, Shafikhani S, Chubinskaya S, Cole BJ. Salvage of contaminated osteochondral allografts: the effects of chlorhexidine on human articular chondrocyte viability. Am J Sports Med 2014; 42:973-8. [PMID: 24518877 DOI: 10.1177/0363546513519950] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Because chondrocyte viability is imperative for successful osteochondral allograft transplantation, sterilization techniques must provide antimicrobial effects with minimal cartilage toxicity. Chlorhexidine gluconate (CHG) is an effective disinfectant; however, its use with human articular cartilage requires further investigation. PURPOSE To determine the maximal chlorhexidine concentration that does not affect chondrocyte viability in allografts and to determine whether this concentration effectively sterilizes contaminated osteoarticular grafts. STUDY DESIGN Controlled laboratory study. METHODS Osteochondral plugs were subjected to pulse lavage with 1-L solutions of 0.002%, 0.01%, 0.05%, and 0.25% CHG and cultured for 0, 1, 2, and 7 days in media of 10% fetal bovine serum and antibiotics. Chondrocyte viability was determined via LIVE/DEAD Viability Assay. Plugs were contaminated with Staphylococcus aureus and randomized to 4 treatment groups. One group was not contaminated; the 3 others were contaminated and received no treatment, saline pulse lavage, or saline pulse lavage with 0.002% CHG. Serial dilutions were plated and colony-forming units assessed. RESULTS The control group and the 0.002% CHG group showed similar cell viability, ranging from 67% ± 4% to 81% ± 22% (mean ± SD) at all time points. In the 0.01% CHG group, cell viability was reduced in comparison with control by 2-fold at day 2 and remained until day 7 (P < .01). The 0.05% and 0.25% CHG groups showed a 2-fold reduction in cell viability at day 1 (P < .01). At day 7, cell viability was reduced to 15% ± 18% (4-fold decrease) for the 0.05% CHG group and 10% ± 19% (6-fold decrease) for the 0.25% CHG group (P < .01). Contaminated grafts treated with 0.002% CHG demonstrated no colony-forming units. CONCLUSION Pulse lavage with 0.002% CHG does not cause significant cell death within 7 days after exposure, while CHG at concentrations >0.002% significantly decreases chondrocyte viability within 1 to 2 days after exposure and should therefore not be used for disinfection of osteochondral allograft. Pulse lavage does not affect chondrocyte viability but cannot be used in isolation to sterilize contaminated fragments. Overall, 0.002% CHG was shown to effectively decontaminate osteoarticular fragments. CLINICAL RELEVANCE This study offers a scientific protocol for sterilizing osteochondral fragments that does not adversely affect cartilage viability.
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Affiliation(s)
- Joel Campbell
- Brian Cole, Department of Orthopedics, Anatomy and Cell Biology, Rush University Medical Center, 1611 West Harrison Avenue, Suite 300, Chicago, IL 60612, USA.
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Management of the contaminated anterior cruciate ligament graft. Arthroscopy 2014; 30:236-44. [PMID: 24485117 DOI: 10.1016/j.arthro.2013.10.012] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2013] [Revised: 10/15/2013] [Accepted: 10/29/2013] [Indexed: 02/02/2023]
Abstract
PURPOSE This systematic review explores management strategies for intraoperative anterior cruciate ligament (ACL) graft contamination. METHODS Two databases (Medline and EMBASE) were screened for studies involving ACL graft contamination published between 1946 and April 2013. We included studies evaluating the management of a contaminated graft and excluded small case-series studies. We conducted a full-text review of eligible studies, and the references were searched for additional eligible studies. Inclusion and exclusion criteria were applied to the searched studies. RESULTS Our search yielded 6 laboratory investigations with a total of 495 graft samples used. These samples were contaminated and cleansed by various methods. The most successful sterilization protocols used chlorhexidine or mechanical agitation with a polymyxin B-bacitracin solution to achieve sterility in 100% of their respective experimental graft tissues. A chlorhexidine soak and plain bacitracin soak were also effective, at 97.5% and 97%, respectively. Povidone-iodine and an antibiotic soak of polymyxin-bacitracin were the least effective, with sterility rates of 48% and 57%, respectively. CONCLUSIONS The results of this review suggest that the optimal agent for sterilizing a dropped graft is chlorhexidine. A protocol of mechanical agitation and serial dilution with a polymyxin B-bacitracin solution was also highly effective; however, the sample size was too small to realistically recommend its use. Bacitracin alone was also found to be an effective sterilization agent, as was a combined solution of neomycin and polymyxin B. Pooled results showed that normal saline solution, povidone-iodine, and a polymyxin B-bacitracin solution all yielded suboptimal sterilization. The available evidence, however, is laboratory based and may not accurately reflect clinical conditions; moreover, there is a lack of biomechanical studies evaluating sterilized grafts. As a result, the findings should be interpreted with caution. LEVEL OF EVIDENCE Level IV, systematic review of basic science studies.
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Management of septic arthritis following anterior cruciate ligament reconstruction: a review of current practices and recommendations. J Am Acad Orthop Surg 2013; 21:647-56. [PMID: 24187034 DOI: 10.5435/jaaos-21-11-647] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Septic arthritis following anterior cruciate ligament reconstruction is a rare and potentially devastating complication that often leads to articular destruction and adverse clinical outcomes. Because of its rare occurrence, best practices for diagnosis and management have yet to be established. However, graft retention and favorable outcomes are possible with early diagnosis, surgical intervention, and appropriate antibiotic management. Clinicians must be familiar with the diagnostic criteria and management options for septic arthritis. Most patients require multiple procedures to effectively eradicate infection. When the original reconstructed graft cannot be salvaged, a staged anterior cruciate ligament reconstruction revision is required.
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Plante MJ, Li X, Scully G, Brown MA, Busconi BD, DeAngelis NA. Evaluation of sterilization methods following contamination of hamstring autograft during anterior cruciate ligament reconstruction. Knee Surg Sports Traumatol Arthrosc 2013; 21:696-701. [PMID: 22584912 DOI: 10.1007/s00167-012-2049-8] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2012] [Accepted: 05/02/2012] [Indexed: 11/27/2022]
Abstract
PURPOSE Inadvertent contamination of the hamstring autograft during ACL reconstruction is infrequent, but can result in significant complications. The purpose of this study is to evaluate bacterial contamination of hamstring autografts dropped onto the operating room floor and methods of graft decontamination. METHODS Hamstring tendons were harvested from patients. Excess tendon not used in the ACL procedure was divided into 6 segments. Segments were assigned to 6 groups (A through F, N = 30 in each group): group A: uncontaminated graft immediately postharvest (control), group B: graft dropped onto the floor (5 s), group C: graft dropped onto the floor (15 s). grafts in groups D to F were dropped onto floor for 15 s then rinsed with saline (group D), bacitracin solution (group E) or chlorhexidine 4 % solution (group F) for 3 min. All grafts were sent to the microbiology laboratory for anaerobic and aerobic cultures. RESULTS Cultures were positive in 23 % of graft segments from group A (7/30), 33 % of grafts from group B (10/30), 23 % from group C (7/30), 30 % from group D (9/30) and 3 % from both group E (1/30) and group F (1/30). Sixteen unique organisms were identified, with Staphylococcus aureus as the most common isolate. Grafts rinsed in either bacitracin solution or 4 % chlorhexidine solutions were significantly less likely to be culture positive when compared to control graft segments (p < 0.05). However, there was no significant difference between uncontaminated grafts retrieved in <5 versus 15 s from the floor. CONCLUSION This study supports the practice of decontaminating a dropped ACL hamstring autograft using either 4 % chlorhexidine or bacitracin solution. Specimens should be retrieved sterilely and washed for at least 3 min. This study also demonstrates no advantage in retrieval time of less than 5 s as compared to 15 s for uncontaminated graft. Hamstring harvest in ACL reconstruction may result in positive cultures, thus routine soaking of the hamstring autograft in either bacitracin or 4 % chlorhexidine solution is recommended. In addition, dropped hamstring autograft can be effectively sterilized with bacitracin or 4 % chlorhexidine solution. LEVEL OF EVIDENCE II.
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Affiliation(s)
- Matthew J Plante
- Division of Sports Medicine, University of Massachusetts Medical Center, 55 Lake Avenue North, Worcester, MA, USA
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Chlorhexidine gluconate cleansing has no effect on the structural properties of human patellar tendon allografts. Arthroscopy 2012; 28:1862-6. [PMID: 23079290 DOI: 10.1016/j.arthro.2012.05.888] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2011] [Revised: 05/08/2012] [Accepted: 05/08/2012] [Indexed: 02/02/2023]
Abstract
PURPOSE If an anterior cruciate ligament graft somehow becomes contaminated intraoperatively, soaking it in 4% chlorhexidine gluconate has been shown to be the most popular and efficacious method for sterilization before implantation. The purpose of this study was to evaluate the effects of a chlorhexidine soak on the structural properties of human patellar tendon allografts. METHODS Sixteen human patellar tendon allografts were randomly split into 2 groups of 8. Grafts in 1 group were soaked in 4% chlorhexidine gluconate for 30 minutes, and the other grafts were kept moist in normal saline-soaked gauze. Data on preload width, preload thickness, elongation, ultimate tensile load, and stiffness were obtained through measurement and mechanical testing of the grafts. RESULTS Graft donor ages ranged from 29 to 43 years. There was no difference in the mean values of graft dimensions of the chlorhexidine-exposed group versus the normal saline-exposed group before mechanical testing (width of 9.48 mm v 9.56 mm, P = .89; thickness of 4.01 mm v 4.57 mm, P = .34). Graft elongation was not statistically different between the groups (2.52 mm v 1.43 mm, P = .27). No statistically significant difference was noted between the ultimate tensile load (2,219 N v 1,878 N, P = .36) or stiffness (274.3 N/mm v 297.0 N/mm, P = .63) of the grafts in both groups. CONCLUSIONS Structural properties of human patellar tendon allografts are not significantly affected by soaking in 4% chlorhexidine gluconate for 30 minutes. CLINICAL RELEVANCE Surgeons wishing to treat an inadvertently contaminated graft intraoperatively with 4% chlorhexidine may do so without concern that such treatment will impact graft strength.
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Alomar AZ, Gawri R, Roughley PJ, Haglund L, Burman M. The effects of chlorhexidine graft decontamination on tendon graft collagen and cell viability. Am J Sports Med 2012; 40:1646-53. [PMID: 22523372 DOI: 10.1177/0363546512443808] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Chlorhexidine (CLX) has been reported as a popular and effective disinfectant of contaminated tendon grafts with no biomechanical sequelae; however, its biochemical effects on tendon collagen and fibroblasts remain unknown. PURPOSE To determine whether CLX disinfection of contaminated tendon grafts has deleterious effects on tendon collagen or a toxic effect on fibroblast function. STUDY DESIGN Controlled laboratory study. METHODS Collagen fibrils prepared from purified bovine collagen type I were treated with various CLX concentrations (0.5%-4%) and incubation times (10-40 minutes), and the effects on fibril degradation and solubility were then examined using gel electrophoresis. Fresh bovine tendons were treated with sterile water or 2% CLX; then, fibroblast mobility and metabolic activity were evaluated using light microscopy and Alamar Blue assay, respectively. RESULTS No effect on collagen fibrils was observed when they were exposed to 0%, 0.5%, or 2% CLX at any exposure time. However, 4% CLX dissolved the fibrils even after short incubation times. Fibroblasts migrated out from the control tendon explants but not from explants treated with 2% CLX, and a 5-fold reduction in metabolic activity was observed throughout the tendon in explants exposed to 2% CLX, suggesting that CLX penetrated and killed cells throughout the tissue. CONCLUSION Four-percent CLX caused collagen fibrils to dissolve in vitro, and tendon graft disinfection with 2% CLX was cytotoxic to the cells. CLINICAL RELEVANCE Because of its chemical effect on tendon collagen and cytotoxic effect on tendon fibroblasts, 4% CLX should not be used as a disinfectant. Two-percent CLX can be used to disinfect contaminated ACL grafts, but such treatment will drastically reduce the metabolic activity of the cells within the graft, making it similar to an acellular allograft tendon.
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Affiliation(s)
- Abdulaziz Z Alomar
- Orthopaedic Research Laboratory, Royal Victoria Hospital, Montreal, Quebec, Canada.
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Han Y, Giannitsios D, Duke K, Steffen T, Burman M. Biomechanical analysis of chlorhexidine power irrigation to disinfect contaminated anterior cruciate ligament grafts. Am J Sports Med 2011; 39:1528-33. [PMID: 21478457 DOI: 10.1177/0363546511401175] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Accidental graft contamination is a likely complication to occur in an orthopaedic sports medicine surgeon's career. There are no clinical outcome studies to direct management, and a recent survey showed that preferred management varied. Three liters of 2% chlorhexidine power irrigation has been shown to be an efficient and effective disinfection protocol; however, the biomechanical sequelae of this disinfection protocol to the graft are unknown. PURPOSE The purpose of this study was to determine if 3 L of 2% chlorhexidine power irrigation used to disinfect contaminated anterior cruciate ligament (ACL) grafts significantly weakens the graft at time zero. STUDY DESIGN Controlled laboratory study. METHODS Eight fresh bovine superficial digital flexor tendons underwent disinfection protocol with 3 L of 2% chlorhexidine power irrigation. Contralateral tendons served as the control. Tendons were preconditioned and loaded to failure. RESULTS The average ultimate failure load for the control tendons and disinfected tendons was 4081 ± 654.4 N and 4146 ± 723.2 N, respectively. The average ultimate failure stress for the control tendons and disinfected tendons was 97.10 ± 12.03 MPa and 95.18 ± 11.79 MPa, respectively. The average stiffness for the control tendons and disinfected tendons was 546.20 ± 28.16 N/mm and 539.2 ± 25.93 N/mm, respectively. The P values for ultimate failure load, ultimate failure stress, and stiffness showed no statistically significant difference between the chlorhexidine and control tendons. CONCLUSION Disinfecting tendons with 3 L of 2% chlorhexidine power irrigation does not adversely weaken the tendon's tensile mechanical properties. CLINICAL RELEVANCE Three liters of 2% chlorhexidine power irrigation can effectively disinfect a contaminated ACL graft without weakening the graft.
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Affiliation(s)
- Yung Han
- Department of Orthopaedic Surgery, McGill University, Montreal, Quebec, Canada.
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Bruce B, Sheibani-Rad S, Appleyard D, Calfee RP, Reinert SE, Chapin KC, DiGiovanni CW. Are dropped osteoarticular bone fragments safely reimplantable in vivo? J Bone Joint Surg Am 2011; 93:430-8. [PMID: 21278310 DOI: 10.2106/jbjs.j.00793] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND There are limited data detailing the appropriate management of nondisposable autologous osteoarticular fragments that have been contaminated by the operating room floor. The goal of the present study was to perform a comprehensive, three-phase investigation to establish an appropriate intraoperative algorithm for the management of the acutely contaminated, but nondisposable, autologous osteoarticular bone fragment. METHODS Phase I of the study was performed to quantify the rate of contamination and microbial profile of human osteoarticular fragments that were dropped onto the operating room floor (n = 162). Phase II was performed to assess the feasibility and optimal means of decontaminating 340 similar fragments that underwent controlled contamination with bacteria that were identified in Phase I; decontamination was performed with use of cleansing agents that are routinely available in an operating room. Phase III was performed to assess the effect of each decontamination process on fragment chondrocyte viability through histologic evaluation. RESULTS The contamination rate in Phase I was 70%. Coagulase-negative Staphylococcus was the most commonly cultured organism. In Phase II, varying exposure time to the chemical agents did not make a significant difference in decontamination rates. Mechanical scrubbing was superior to mechanical saline solution lavage (zero of fifty-six cultures compared with twenty of fifty-six cultures were positive for coagulase-negative Staphylococcus; p < 0.001). As a whole, bactericidal agents were found to be more effective decontaminating agents than normal saline solution. Povidone-iodine and 4% chlorhexidine gluconate were the most effective decontaminating agents, with none of the twenty-eight specimens that were decontaminated with each agent demonstrating positive growth on culture. Phase III demonstrated that the groups that were treated with normal saline solution and povidone-iodine retained the greatest number of live cells and the least number of dead cells. Mechanical scrubbing significantly decreased chondrocyte viability as compared with a normal saline solution wash (p < 0.05). CONCLUSIONS The majority of osteochondral fragments that contact the operating room floor produce positive bacterial cultures. Five minutes of cleansing with a 10% povidone-iodine solution followed by a normal saline solution rinse appears to provide the optimal balance between effective decontamination and cellular toxicity for dropped autologous bone in the operative setting.
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Affiliation(s)
- Benjamin Bruce
- Department of Orthopaedic Surgery, Warren Alpert School of Medicine at Brown University, Providence, Rhode Island 02903, USA
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Bauer J, Liu RW, Kean TJ, Dennis JE, Petersilge W, Gilmore A. A comparison of five treatment protocols for contaminated bone grafts in reference to sterility and cell viability. J Bone Joint Surg Am 2011; 93:439-44. [PMID: 21368075 DOI: 10.2106/jbjs.j.00418] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Occasionally, a bone graft or comminuted fracture fragment is dropped on the operating-room floor and becomes contaminated. The purpose of this study was to determine an optimal method for sterilizing this bone with the minimum sacrifice of cell viability. METHODS A set of discarded bone samples was taken from a series of twenty total knee arthroplasty operations. The bone samples were uniformly contaminated with use of a bacterial broth prepared from culture samples taken from the operating-room floor. The bone samples in each set underwent five different decontamination procedures. Specifically, one sample in each set was autoclaved and four other samples underwent mechanical agitation in normal saline solution, 2% chlorhexidine gluconate, or 10% povidone-iodine (which was either left wet or was dried). Positive and negative controls were used for comparison. Ten sets were then cultured to determine sterility, and ten underwent live/dead trypan blue staining to determine cell viability. RESULTS Autoclaving, chlorhexidine gluconate, and dry povidone-iodine sterilized all samples; wet povidone-iodine decontaminated four (40%) of ten samples; and saline solution sterilized none. While all decontamination methods reduced the cell count to some extent, autoclaving and chlorhexidine gluconate left no viable cells. When the cell counts were expressed as a percentage of the control value, dry povidone-iodine sterilization maintained significantly fewer live cells than controls (21%; p < 0.01), whereas saline solution and wet povidone-iodine were not significantly different from controls (77% and 66%; p = 0.40 and p = 0.22, respectively). CONCLUSIONS Of the easily accessible protocols studied, mechanical agitation and serial washes of bone graft in povidone-iodine that is allowed to dry offers the best balance between complete sterilization of contaminated bone and maintenance of tissue viability.
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Affiliation(s)
- Jennifer Bauer
- University Hospital, Case Western Reserve University, Cleveland, Ohio, USA
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Potter BK, Forsberg JA. Commentary on an article by Benjamin Bruce, MD, et al.: "Are dropped osteoarticular bone fragments safely reimplantable in vivo?". J Bone Joint Surg Am 2011; 93:e18. [PMID: 21278311 DOI: 10.2106/jbjs.j.01835] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Benjamin K Potter
- Orthopaedic Surgery Service, Walter Reed National Military Medical Center, 6900 Georgia Avenue NW, Building 2, Clinic 5A-Ortho, Washington, DC 20307, USA.
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Katz LM, Battaglia TC, Patino P, Reichmann W, Hunter DJ, Richmond JC. A retrospective comparison of the incidence of bacterial infection following anterior cruciate ligament reconstruction with autograft versus allograft. Arthroscopy 2008; 24:1330-5. [PMID: 19038702 DOI: 10.1016/j.arthro.2008.07.015] [Citation(s) in RCA: 85] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2008] [Revised: 06/08/2008] [Accepted: 07/16/2008] [Indexed: 02/02/2023]
Abstract
PURPOSE To compare the incidence of bacterial infection in anterior cruciate ligament (ACL) reconstruction with autograft versus allograft. METHODS We completed a retrospective medical record review of ACL reconstructions performed at our institutions between 2001 and 2005. These included 170 autograft, 628 allograft, and 3 combined autograft/allograft reconstructions. Data collection included patient demographics, comorbidities, preoperative antibiotics, fixation type, and the occurrence of deep postoperative infection. RESULTS Of the 801 patients who underwent ACL reconstruction, 6 (0.75%) developed a confirmed deep infection. There were 2 confirmed deep infections in 170 autograft reconstructions (1.2%) compared with 4 confirmed deep infections in 628 allograft reconstructions (0.6%). Multivariate analysis revealed that ACL reconstruction using autograft had a nearly twice the risk of infection compared to allograft reconstructions (adjusted odds ratio, 1.83; 95% confidence interval, 0.16 to 12.94). CONCLUSIONS This study failed to find a higher rate of deep bacterial infection in ACL reconstructions when allograft tissue was used. We therefore feel that surgeons should consider allograft tissue as an alternative to autograft when there is a concern about donor-site morbidity, or for revision reconstructions. LEVEL OF EVIDENCE Level III, therapeutic retrospective comparative study.
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Affiliation(s)
- Laurie M Katz
- Department of Orthopaedics at New England Baptist Hospital, Boston, MA 02120, USA.
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Hantes ME, Basdekis GK, Varitimidis SE, Giotikas D, Petinaki E, Malizos KN. Autograft contamination during preparation for anterior cruciate ligament reconstruction. J Bone Joint Surg Am 2008; 90:760-4. [PMID: 18381313 DOI: 10.2106/jbjs.g.00806] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND The autograft preparation process for anterior cruciate ligament reconstruction has a potential for graft contamination. The purpose of this study was to evaluate the possibility of contamination of the bone-patellar tendon-bone and hamstring tendon autograft during preparation for anterior cruciate ligament reconstruction. METHODS A primary isolated reconstruction of the anterior cruciate ligament with use of bone-patellar tendon-bone autograft (thirty patients) and hamstring tendon autograft (thirty patients) was performed in a prospective, consecutive series of patients. Three tissue samples were obtained for culture from each graft at different time-intervals during the graft preparation. In addition, the erythrocyte sedimentation rate and the C-reactive protein level were evaluated preoperatively and on the third, seventh, and twentieth postoperative days, and the clinical course of all patients was monitored. RESULTS The time needed for graft preparation was significantly longer for hamstring autografts (nineteen minutes) than for bone-patellar tendon-bone autografts (ten minutes) (p = 0.032). In the hamstring group, cultures of graft tissue from four patients (13%) were positive for bacteria. In the bone-patellar tendon-bone group, cultures of graft tissue from three patients (10%) were positive for bacteria; the difference between groups was not significant (p = 0.923). No patient had development of a postoperative infection. There were no differences between patients with a contaminated graft and those with an uncontaminated graft with regard to postoperative changes in the erythrocyte sedimentation rate or the C-reactive protein level at all time-intervals. CONCLUSIONS A high rate (12%) of autograft contamination can be expected during autograft preparation for anterior cruciate ligament reconstruction. The contamination rate is almost equal for both bone-patellar tendon-bone and hamstring tendon autografts. We could not identify an association between contaminated grafts implanted in the knee and postoperative inflammatory markers such as the erythrocyte sedimentation rate and the C-reactive protein level.
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Lee GH, McCulloch P, Cole BJ, Bush-Joseph CA, Bach BR. The incidence of acute patellar tendon harvest complications for anterior cruciate ligament reconstruction. Arthroscopy 2008; 24:162-6. [PMID: 18237699 DOI: 10.1016/j.arthro.2007.08.020] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2007] [Revised: 08/14/2007] [Accepted: 08/16/2007] [Indexed: 02/02/2023]
Abstract
PURPOSE This study was performed to determine the incidence of acute bone-patellar tendon-bone autograft harvest complications after anterior cruciate ligament (ACL) reconstruction. METHODS Over a nearly 20-year period (September 1986 to April 2006), 1,725 consecutive patients underwent primary ACL reconstruction using bone-patellar tendon-bone autograft by 3 fellowship-trained sports medicine surgeons at our institution. Three acute complications related to patellar tendon harvest were identified from surgical databases, and the charts of these patients were reviewed. RESULTS In this series of 1,725 consecutive patients, 3 acute complications (0.2%) related to patellar tendon harvest were noted. These complications consisted of 2 patellar fractures (1 intraoperative and 1 postoperative) and 1 postoperative patellar tendon rupture. All 3 patients healed and went on to satisfactory outcomes. CONCLUSIONS A 0.2% overall acute complication rate related to patellar tendon harvest for primary ACL reconstruction supported our hypothesis. Bone-patella tendon-bone autograft remains a safe and viable choice for surgeons performing ACL reconstruction. LEVEL OF EVIDENCE Level IV, therapeutic case series.
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Affiliation(s)
- Gregory H Lee
- Division of Sports Medicine, Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, USA
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Busam ML, Provencher MT, Bach BR. Complications of anterior cruciate ligament reconstruction with bone-patellar tendon-bone constructs: care and prevention. Am J Sports Med 2008; 36:379-94. [PMID: 18202298 DOI: 10.1177/0363546507313498] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Rupture of the anterior cruciate ligament is a common injury. Correct diagnosis and patient selection, along with proper surgical technique, with careful attention to anatomic graft placement, followed by attention to proper rehabilitation, leads to predictably good to excellent results. This article reviews the recognition and avoidance of complications associated with bone-patellar tendon-bone constructs of anterior cruciate ligament reconstruction.
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Affiliation(s)
- Matthew L Busam
- Division of Sports Medicine, Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, IL, USA.
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