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Fleming VH, Xu J, Chen X, Hall D, Southwood RL. Risk of Tendon Injury in Patients Treated With Fluoroquinolone (FQ) Versus Non-Fluoroquinolone Antibiotics for Community-Acquired Pneumonia (CAP). Ann Pharmacother 2024; 58:771-780. [PMID: 37946374 DOI: 10.1177/10600280231210275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2023] Open
Abstract
BACKGROUND Fluoroquinolones (FQs) are associated with increased risk of tendon injury but comparative risk versus other antibiotic options for the same indication has yet to be evaluated. OBJECTIVE Describe the incidence (relative risk) of any tendon injury in patients receiving FQ compared with other (non-FQs) antibiotics for treatment of community-acquired pneumonia (CAP). METHODS A retrospective propensity score weighted cohort study was performed to evaluate the association between FQ antibiotics and tendon injury risk at 2 time points (within 1 month and within 6 months of use) compared with non-FQ regimens for treatment of CAP. The evaluation was performed using the CCAE (MarketScan Commercial Claims and Encounters) and COB (Medicare Supplemental and Coordination of Benefits) databases from 2014 to 2020. Patients with ICD (International Classification of Diseases) 9/10 coding for outpatient pneumonia who were >18 years and without history of tendon injury were included. Patients with history of tendon injury, who received multiple antibiotic therapies for recurrent pneumonia, or who received both FQ and non-FQ regimens during the study period were excluded. Propensity score weighting was used to adjust for selection bias due to contributing risk factors, including demographics (age, sex), comorbidities (diabetes mellitus, chronic kidney disease), and concurrent medications (corticosteroids). RESULTS At 1 month, the odds of tendon injury were estimated to be significantly higher (41.9%) in patients receiving FQs compared with those receiving a non-FQ-based regimen (odds ratio [OR] = 1.419, 95% confidence interval [CI] = [1.188-1.698]). The odds of tendon injury were also estimated to be higher (OR = 1.067, 95% CI = [0.975-1.173]) in the FQ population within 180 days, but this effect was not statistically significant. The most frequent sites of tendon injuries were rotator cuff, shoulder, and patellar tendon. CONCLUSIONS AND RELEVANCE Prescribers should recognize the risk of tendon injury within 1 month of FQ use when considering treatment regimens for CAP and use alternative options with lower risk whenever possible.
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Affiliation(s)
| | - Jianing Xu
- Department of Statistics, University of Georgia, Athens, GA, USA
| | - Xianyan Chen
- Department of Statistics, University of Georgia, Athens, GA, USA
| | - Daniel Hall
- Department of Statistics, University of Georgia, Athens, GA, USA
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Wako M, Ichikawa J, Fujimaki T, Hagino T, Haro H. Delayed Achilles Tendon Rupture at 17 Years of Age After Treatment of Clubfoot with Ponseti Method: A Case Report. JBJS Case Connect 2024; 14:01709767-202409000-00015. [PMID: 39028836 DOI: 10.2106/jbjs.cc.24.00053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/21/2024]
Abstract
CASE Traumatic pediatric Achilles ruptures are rare, and few cases have been reported among patients with a history of Achilles tenotomy. A 17-year-old boy with a history of Achilles tenotomies for congenital clubfoot as an infant presented with acute midsubstance Achilles tendon rupture of the right leg. The gastrocnemius fascia was dissected to allow for approximation of the ruptured Achilles tendon segments. Furthermore, the plantaris tendon was harvested and sutured around the Achilles tendon-rupture site to improve strength. CONCLUSIONS Patients with a history of clubfoot and chronic Achilles tendon pain should be alerted to the risk of Achilles tendon rupture.
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Affiliation(s)
- Masanori Wako
- Department of Orthopaedic Surgery, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Jiro Ichikawa
- Department of Orthopaedic Surgery, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Taro Fujimaki
- Department of Orthopaedic Surgery, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Tetsuo Hagino
- Department of Orthopaedic Surgery, National Hospital Organization Kofu National Hospital, Kofu, Japan
| | - Hirotaka Haro
- Department of Orthopaedic Surgery, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
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Visser TSS, van Linschoten R, Vicenzino B, Weir A, de Vos RJ. Terminating Corticosteroid Injection in Tendinopathy? Hasta la Vista, Baby. J Orthop Sports Phys Ther 2024; 54:10-13. [PMID: 37506303 DOI: 10.2519/jospt.2023.11875] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/30/2023]
Abstract
SYNOPSIS: Two recent randomized-controlled trials showed promising results of local corticosteroid injections combined with exercise therapy for Achilles tendinopathy and plantar fasciopathy. Should clinicians go back to using corticosteroid injections to treat tendinopathy? Are corticosteroids back (baby)? In this viewpoint we critically appraise the new evidence and humbly share our clinical reasoning when advising athletes about corticosteroid injections in practice. Our goal is to help clinicians decide what to do and what to recommend to patients. We prioritize the risk for higher recurrence rates and tendon rupture when weighing the reasonable treatment options for tendinopathy, and recommend against using corticosteroid injections. The best systematic review evidence shows that local corticosteroid injections are not effective for tendinopathies after the first few weeks, and produce worse long-term outcomes compared to other treatments. For now, we consider corticosteroid injections remain terminated. J Orthop Sports Phys Ther 2023;53(11):1-4. Epub: 28 July 2023. doi:10.2519/jospt.2023.11875.
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Patel N, Gorseth A, Belfiore G, Stornelli N, Lowry C, Thomas L. Fluoroquinolone-associated adverse events of interest among hospitalized veterans affairs patients with community-acquired pneumonia who were treated with a fluoroquinolone: A focus on tendonitis, Clostridioides difficile infection, and aortic aneurysm. Pharmacotherapy 2024; 44:49-60. [PMID: 37699580 DOI: 10.1002/phar.2877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 07/14/2023] [Accepted: 07/17/2023] [Indexed: 09/14/2023]
Abstract
STUDY OBJECTIVE The objectives of this study were to (i) quantify the incidence of three concerning fluoroquinolone adverse events of interest (FQAEI, i.e., adverse tendon event (TE), clostridioides difficile infection (CDI), and aortic aneurysm/dissection (AAD)), (ii) identify the patient-level factors that predict these events, and (iii) develop clinical risk scores to estimate the predicted probabilities of each FQAEI based on patient-level covariates available on clinical presentation. DESIGN Retrospective cohort study. SETTING Upstate New York Veterans' Healthcare Administration from 2011 to 2016. PATIENTS Hospitalized patients with community-acquired pneumonia receiving care in the Upstate New York Veterans' Healthcare Administration from 2011 to 2016. INTERVENTION N/A. MEASUREMENTS The outcomes of interest for this study were the occurrence of TE, CDI, and AAD. We also evaluated a composite of these three outcomes, FQAEI. MAIN RESULTS The study population consisted of 1071 patients. The overall incidence of FQAEI, TE, AAD, and CDI was 6.5%, 1.8%, 4.5%, and 0.3%, respectively. For each outcome evaluated, the probability of the event of interest was predicted by the presence of certain comorbidities, previous healthcare exposure, choice of specific FQ antibiotic, or therapy duration. Concomitant steroids, pneumonia in preceding 180 days, and creatinine clearance <30 mL/min predicted FQAEI. CONCLUSIONS Individual frequencies of three important FQAEIs were quantified, and risk scores were developed to estimate the probabilities of experiencing these events to help clinicians individualize treatment decisions for patients and reduce the potential risks of select FQAEIs.
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Affiliation(s)
- Nimish Patel
- Skaggs School of Pharmacy & Pharmaceutical Sciences, University of California San Diego, La Jolla, California, USA
- Samuel S. Stratton Veteran's Affairs Medical Center, Albany, New York, USA
| | - Allison Gorseth
- Department of Pharmacy Practice, Albany College of Pharmacy and Health Sciences, Albany, New York, USA
- Department of Pharmacy, Hartford Hospital, Hartford, Connecticut, USA
| | - Gina Belfiore
- Department of Pharmacy Practice, Albany College of Pharmacy and Health Sciences, Albany, New York, USA
| | - Nicholas Stornelli
- Department of Pharmacy Practice, Albany College of Pharmacy and Health Sciences, Albany, New York, USA
- Department of Pharmacy Services, Carilion Roanoke Memorial Hospital, Roanoke, Virginia, USA
| | - Colleen Lowry
- Samuel S. Stratton Veteran's Affairs Medical Center, Albany, New York, USA
| | - Lodise Thomas
- Samuel S. Stratton Veteran's Affairs Medical Center, Albany, New York, USA
- Department of Pharmacy Practice, Albany College of Pharmacy and Health Sciences, Albany, New York, USA
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Xergia SA, Tsarbou C, Liveris NI, Hadjithoma Μ, Tzanetakou IP. Risk factors for Achilles tendon rupture: an updated systematic review. PHYSICIAN SPORTSMED 2023; 51:506-516. [PMID: 35670156 DOI: 10.1080/00913847.2022.2085505] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Accepted: 05/30/2022] [Indexed: 10/18/2022]
Abstract
OBJECTIVE Identifying risk factors for Achilles Tendon Rupture (ATR) is one of the first necessary steps for its prevention. This systematic review aimed to update the systematic review published in 2014 in ATR etiology. METHODOLOGY A systematic review was carried out using PubMed, EBSCO, and ScienceDirect databases. All types of research studies (Randomized Control Trials - RCTs, Cohort studies, Case-control studies and Cross-sectional studies) that considered ATR, were eligible. The inclusion criteria for eligibility of the studies were to be written in the English language, and to include populations of men and/or women, both athletes, and non-athletes, healthy individuals, and patients. Two independent reviewers used the assessment instrument Newcastle-Ottawa Scale independently, to evaluate the quality of each selected study. Further, two reviewers worked independently to extract the study characteristics, and the GRADE methodology was used to assess the level of certainty of each risk factor. RESULTS From 9526 studies initially identified, 19 studies were eligible for further analysis to identify risk factors for ATR. Seventeen studies were considered good quality, and two studies fair quality. Low to very low certainty of evidence was found for the following medications: steroids, quinolones, and oral bisphosphonate, as well as for other factors such as chronic tendon inflammation and Achilles' tendinopathy, spring season, diabetes, previous musculoskeletal injury, regular participation in athletic activity, hyperparathyroidism, renal failure, and genetic factors. CONCLUSIONS The risk factors found prove that ATR is a multifactorial injury. Appropriate methodologies and well-designed studies are needed to determine the factors and their significance in ATR risk. Finally, the role of biomechanical and psychological aspects in the ATR etiology may be of interest in future studies, as we could not extract relative data in our review.
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Affiliation(s)
- Sofia A Xergia
- Department of Physiotherapy, School of Health Rehabilitation Sciences, University of Patras, Aigio, Greece
| | - Charis Tsarbou
- Department of Physiotherapy, School of Health Rehabilitation Sciences, University of Patras, Aigio, Greece
| | - Nikolaos I Liveris
- Department of Physiotherapy, School of Health Rehabilitation Sciences, University of Patras, Aigio, Greece
| | - Μaria Hadjithoma
- Department of Health Science, European University of Cyprus, Nicosia, Cyprus
| | - Irene P Tzanetakou
- Department of Life Sciences, European University of Cyprus, Nicosia, Cyprus
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Lin M, Li W, Ni X, Sui Y, Li H, Chen X, Lu Y, Jiang M, Wang C. Growth factors in the treatment of Achilles tendon injury. Front Bioeng Biotechnol 2023; 11:1250533. [PMID: 37781529 PMCID: PMC10539943 DOI: 10.3389/fbioe.2023.1250533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 09/04/2023] [Indexed: 10/03/2023] Open
Abstract
Achilles tendon (AT) injury is one of the most common tendon injuries, especially in athletes, the elderly, and working-age people. In AT injury, the biomechanical properties of the tendon are severely affected, leading to abnormal function. In recent years, many efforts have been underway to develop effective treatments for AT injuries to enable patients to return to sports faster. For instance, several new techniques for tissue-engineered biological augmentation for tendon healing, growth factors (GFs), gene therapy, and mesenchymal stem cells were introduced. Increasing evidence has suggested that GFs can reduce inflammation, promote extracellular matrix production, and accelerate AT repair. In this review, we highlighted some recent investigations regarding the role of GFs, such as transforming GF-β(TGF-β), bone morphogenetic proteins (BMP), fibroblast GF (FGF), vascular endothelial GF (VEGF), platelet-derived GF (PDGF), and insulin-like GF (IGF), in tendon healing. In addition, we summarized the clinical trials and animal experiments on the efficacy of GFs in AT repair. We also highlighted the advantages and disadvantages of the different isoforms of TGF-β and BMPs, including GFs combined with stem cells, scaffolds, or other GFs. The strategies discussed in this review are currently in the early stages of development. It is noteworthy that although these emerging technologies may potentially develop into substantial clinical treatment options for AT injury, definitive conclusions on the use of these techniques for routine management of tendon ailments could not be drawn due to the lack of data.
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Affiliation(s)
- Meina Lin
- Liaoning Research Institute of Family Planning, China Medical University, Shenyang, China
| | - Wei Li
- Liaoning Research Institute of Family Planning, China Medical University, Shenyang, China
- Medical School, Shandong Modern University, Jinan, China
| | - Xiang Ni
- Liaoning Research Institute of Family Planning, China Medical University, Shenyang, China
| | - Yu Sui
- Liaoning Research Institute of Family Planning, China Medical University, Shenyang, China
| | - Huan Li
- Liaoning Research Institute of Family Planning, China Medical University, Shenyang, China
| | - Xinren Chen
- Liaoning Research Institute of Family Planning, China Medical University, Shenyang, China
| | - Yongping Lu
- Liaoning Research Institute of Family Planning, China Medical University, Shenyang, China
| | - Miao Jiang
- Liaoning Research Institute of Family Planning, China Medical University, Shenyang, China
| | - Chenchao Wang
- Department of Plastic Surgery, The First Hospital of China Medical University, Shenyang, China
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Ahn HS, Kim HJ, Suh JS, Kazmi SZ, Kang TU, Choi JY. The Association of Body Mass Index and Waist Circumference with the Risk of Achilles Tendon Problems: A Nationwide Population-Based Longitudinal Cohort Study. Clin Orthop Surg 2023; 15:488-498. [PMID: 37274500 PMCID: PMC10232319 DOI: 10.4055/cios22238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 12/02/2022] [Accepted: 12/02/2022] [Indexed: 06/06/2023] Open
Abstract
Background The purpose of this study was to evaluate the association of body mass index (BMI) and waist circumference (WC) with the risk of Achilles tendinopathy (AT) or Achilles tendon rupture (ATR), using data from a nationwide population-based cohort. We hypothesized that higher BMI and WC would be independently associated with the increased risk of AT or ATR. In addition, a higher WC may potentiate the association between BMI and the risk of Achilles tendon problems. Methods We used the National Health Insurance database that covers the entire South Korean population to follow up subjects who participated in the National Health Screening Program (NHSP) from January 2009 to December 2010. The NHSP data include subjects' BMI, WC, blood test results, blood pressure, and information about lifestyle. Among the subjects, those who were newly diagnosed as having AT or ATR before December 31, 2017, were selected. To examine the association of the variables with the risk of AT or ATR and determine whether the effect of higher BMI varied according to WC, multivariate Cox proportional hazards regression was used. Results Among a total of 16,830,532 subjects, 125,814 and 31,424 developed AT and ATR, respectively. A higher BMI showed a greater association with the increased risk of ATR than AT (adjusted hazard ratio [HR], 3.49 vs. 1.96). A higher WC was associated with the increased risk of AT (adjusted HR, 1.22), but not ATR. In a separate analysis, the association between BMI and the risk of AT was higher when subjects had higher WC as compared to those with lower WC, being most significant in individuals with both higher BMI and higher WC. Conclusions Higher BMI was more associated with the increased risk of ATR than AT. Moreover, a high central fat distribution played an independent and potentiating role in the development of AT. This implies the greater importance of a high central fat distribution contributing to the development of AT in obese people.
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Affiliation(s)
- Hyeong Sik Ahn
- Department of Preventive Medicine, Korea University College of Medicine, Seoul, Korea
| | - Hyun Jung Kim
- Department of Preventive Medicine, Korea University College of Medicine, Seoul, Korea
| | - Jin Soo Suh
- Department of Orthopedic Surgery, Inje University Ilsan Paik Hospital, Goyang, Korea
| | - Sayada Zartasha Kazmi
- Department of Preventive Medicine, Korea University College of Medicine, Seoul, Korea
| | - Tae Uk Kang
- Health Insurance Policy Research Institute, National Health Insurance Service, Wonju, Korea
| | - Jun Young Choi
- Department of Orthopedic Surgery, Inje University Ilsan Paik Hospital, Goyang, Korea
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Tran PT, Antonelli PJ, Winterstein AG. Quinolone Ear Drops and Achilles Tendon Rupture. Clin Infect Dis 2023; 76:e1360-e1368. [PMID: 36065683 DOI: 10.1093/cid/ciac709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 08/15/2022] [Accepted: 08/27/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Delayed eardrum healing has been observed in the ear opposite to the ear treated with otic quinolones (OQ) in rats. Case reports describe tendinopathies after OQ treatment, suggesting adverse systemic effects. METHODS We studied patients aged 19 to 64 years with diagnosis of otitis externa or media in private insurance between 2005 and 2015. We compared OQ treatment against otic neomycin, oral amoxicillin, or azithromycin. Outcomes included Achilles tendon rupture (ATR), Achilles tendinitis (AT), and all-type tendon rupture (ATTR). We applied an active comparator, new-user design with 1-year look-back and ceased follow-up at initiation of systemic steroids or oral quinolones, external injury, hospitalization, and after 35 days. We used trimmed stabilized inverse probability of treatment weights to balance comparison groups in a survival framework. Negative outcomes (clavicle fractures or sports injuries) were examined to rule out differences from varied physical activity (unmeasured confounding). RESULTS We examined 1 501 009 treated otitis episodes. Hazard ratios (HR) for OQ exposure associated with ATR were 4.49 (95% confidence interval [CI], 1.83-11.02), AT 1.04 (95% CI, 0.73-1.50), and ATTR 1.71 (95% CI, 1.21-2.41). Weighted risk differences (RD) per 100 000 episodes for OQ exposure were ATR 7.80 (95% CI, 0.72-14.89), AT 1.01 (95% CI, -12.80 to 14.81), and ATTR 18.57 (95% CI, 3.60-33.53). Corresponding HRs for clavicle fractures and sports injuries were HR,1.71 (95% CI, 0.55-5.27) and HR,1.45 (95% CI, 0.64-3.30), suggesting limited residual confounding. CONCLUSIONS OQ exposure may lead to systemic consequences. Clinicians should consider this potential risk and counsel patients accordingly. Risk factors and mechanisms for this rare, adverse effect deserve further evaluation. Mechanistic and other clinical studies are warranted to corroborate this finding.
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Affiliation(s)
- Phuong T Tran
- Department of Pharmaceutical Outcomes and Policy, College of Pharmacy, University of Florida, Gainesville, Florida, USA.,Faculty of Pharmacy, HUTECH University, Ho Chi Minh City, Vietnam
| | - Patrick J Antonelli
- College of Public Health and Health Professions and College of Medicine, University of Florida, Gainesville, Florida, USA.,Department of Otolaryngology, College of Medicine, University of Florida, Gainesville, Florida, USA
| | - Almut G Winterstein
- Department of Pharmaceutical Outcomes and Policy, College of Pharmacy, University of Florida, Gainesville, Florida, USA.,College of Public Health and Health Professions and College of Medicine, University of Florida, Gainesville, Florida, USA.,Department of Epidemiology, College of Public Health and Health Professions and College of Medicine, University of Florida, Gainesville, Florida, USA
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Socioeconomic deprivation status predicts both the incidence and nature of Achilles tendon rupture. Knee Surg Sports Traumatol Arthrosc 2023; 31:691-700. [PMID: 36066575 DOI: 10.1007/s00167-022-07103-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 08/03/2022] [Indexed: 02/07/2023]
Abstract
PURPOSE The aim of this study was to describe the epidemiology of Achilles tendon rupture (ATR) and its relationship with socioeconomic deprivation status (SEDS). The hypothesis was that ATR occurs more frequently in socioeconomically deprived patients. Secondary aims were to determine variations in circumstances of injury between more and less deprived patients. METHODS A 6-year retrospective review of consecutive patients presenting with ATR was undertaken. The health-board population was defined using governmental population data and SEDS was defined using the Scottish Index of Multiple Deprivation. The primary outcome was an epidemiological description and comparison of incidence in more and less deprived cohorts. Secondary outcomes included reporting of the relationship between SEDS and patient and injury characteristics with univariate and binary logistic regression analyses. RESULTS There were 783 patients (567 male; 216 female) with ATR. Mean incidence for adults (≥ 18 years) was 18.75/100,000 per year (range 16.56-23.57) and for all ages was 15.26/100,000 per year (range 13.51 to 19.07). Incidence in the least deprived population quintiles (4th and 5th quintiles; 18.07 per 100,000/year) was higher than that in the most deprived quintiles (1st and 2nd; 11.32/100,000 per year; OR 1.60, 95%CI 1.35-1.89; p < 0.001). When adjusting for confounding factors, least deprived patients were more likely to be > 50 years old (OR 1.97; 95%CI 1.24-3.12; p = 0.004), to sustain ATR playing sports (OR 1.72, 95%CI 1.11-2.67; p = 0.02) and in the spring (OR 1.65, 95%CI 1.01-2.70; p = 0.045) and to give a history of preceding tendinitis (OR 4.04, 95%CI 1.49-10.95; p = 0.006). They were less likely to sustain low-energy injuries (OR 0.44, 95%CI 0.23-0.87; p = 0.02) and to be obese (OR 0.25-0.41, 95%CI 0.07-0.90; p ≤ 0.03). CONCLUSIONS The incidence of ATR was higher in less socioeconomically deprived populations and the hypothesis was therefore rejected. Significant variations in patient and predisposing factors, mechanisms of injury and seasonality were demonstrated between most and least deprived groups, suggesting that circumstances and nature of ATR may vary with SEDS and these are not a homogenous group of injuries. LEVEL OF EVIDENCE Prognostic Study Level III.
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Nakamura G, Yasuda T, Shima H, Togei K, Hirai Y, Neo M. Morphology of the asymptomatic Αchilles tendon: Measurement of tendon length and shape using magnetic resonance imaging, and investigation of related factors. J Orthop Sci 2023; 28:204-211. [PMID: 34756633 DOI: 10.1016/j.jos.2021.09.005] [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: 05/13/2021] [Revised: 08/27/2021] [Accepted: 09/20/2021] [Indexed: 01/10/2023]
Abstract
BACKGROUND One of the severe complications of Achilles tendon (AT) rupture is muscle weakness due to tendon lengthening. It is very important to prevent tendon lengthening during treatment; however, data on the length, thickness, and width of normal ATs are scarce. Furthermore, no studies have investigated the factors related to the AT length and shape. We aimed to determine the normal AT length and shape and to investigate any correlating factors. METHODS We measured the AT length, thickness, and width of 100 asymptomatic patients using magnetic resonance imaging. We also investigated the correlation between the AT length, thickness, and width and factors including age, sex, height, body weight, body mass index, history of sports activities, and the area of Kager's fat pad. RESULTS The mean AT length was 42.1 ± 12.9 mm. The AT length in 73% of the patients was within the range of 30-55 mm. Individual differences in the tendon length were large, but there was no correlation between the tendon length and patient height (P = 0.505). There was a strong correlation between the AT length and area of Kager's fat pad on magnetic resonance imaging (r = 0.734, P < 0.001). Furthermore, the correlation coefficient between the area of Kager's fat pad on magnetic resonance imaging and the area of Kager's triangle on radiography was extremely high (r = 0.851, P < 0.001). CONCLUSIONS The AT length can be predicted based on the area of Kager's triangle of the unaffected ankle on radiography. If the AT length is > 55 mm or longer than the length measured directly or calculated from the estimated area of Kager's triangle, tendon lengthening should be suspected. Our findings could provide an important indicator for the evaluation of AT lengthening not only in daily clinical situations but also in clinical studies.
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Affiliation(s)
- Gen Nakamura
- Department of Orthopedic Surgery, Osaka Medical and Pharmaceutical University, 2-7, Daigaku-machi, Takatsuki City, Osaka 569-8686 Japan
| | - Toshito Yasuda
- Faculty of Nursing, Osaka Medical and Pharmaceutical University, 7-6 Hatchonishi-machi, Takatsuki City, Osaka 569-0095, Japan.
| | - Hiroaki Shima
- Department of Orthopedic Surgery, Osaka Medical and Pharmaceutical University, 2-7, Daigaku-machi, Takatsuki City, Osaka 569-8686 Japan
| | - Kosho Togei
- Department of Orthopedic Surgery, Osaka Medical and Pharmaceutical University, 2-7, Daigaku-machi, Takatsuki City, Osaka 569-8686 Japan
| | - Yoshihiro Hirai
- Department of Orthopedic Surgery, Osaka Medical and Pharmaceutical University, 2-7, Daigaku-machi, Takatsuki City, Osaka 569-8686 Japan
| | - Masashi Neo
- Department of Orthopedic Surgery, Osaka Medical and Pharmaceutical University, 2-7, Daigaku-machi, Takatsuki City, Osaka 569-8686 Japan
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Furuta H, Yamada M, Nagashima T, Matsuda S, Nagayasu K, Shirakawa H, Kaneko S. Increased expression of glutathione peroxidase 3 prevents tendinopathy by suppressing oxidative stress. Front Pharmacol 2023; 14:1137952. [PMID: 37021050 PMCID: PMC10067742 DOI: 10.3389/fphar.2023.1137952] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 03/07/2023] [Indexed: 04/07/2023] Open
Abstract
Tendinopathy, a degenerative disease, is characterized by pain, loss of tendon strength, or rupture. Previous studies have identified multiple risk factors for tendinopathy, including aging and fluoroquinolone use; however, its therapeutic target remains unclear. We analyzed self-reported adverse events and the US commercial claims data and found that the short-term use of dexamethasone prevented both fluoroquinolone-induced and age-related tendinopathy. Rat tendons treated systemically with fluoroquinolone exhibited mechanical fragility, histological change, and DNA damage; co-treatment with dexamethasone attenuated these effects and increased the expression of the antioxidant enzyme glutathione peroxidase 3 (GPX3), as revealed via RNA-sequencing. The primary role of GPX3 was validated in primary cultured rat tenocytes treated with fluoroquinolone or H2O2, which accelerates senescence, in combination with dexamethasone or viral overexpression of GPX3. These results suggest that dexamethasone prevents tendinopathy by suppressing oxidative stress through the upregulation of GPX3. This steroid-free approach for upregulation or activation of GPX3 can serve as a novel therapeutic strategy for tendinopathy.
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Affiliation(s)
- Haruka Furuta
- Department of Molecular Pharmacology, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, Japan
| | - Mari Yamada
- Department of Molecular Pharmacology, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, Japan
| | - Takuya Nagashima
- Department of Molecular Pharmacology, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, Japan
| | - Shuichi Matsuda
- Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Kazuki Nagayasu
- Department of Molecular Pharmacology, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, Japan
| | - Hisashi Shirakawa
- Department of Molecular Pharmacology, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, Japan
| | - Shuji Kaneko
- Department of Molecular Pharmacology, Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto, Japan
- *Correspondence: Shuji Kaneko,
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Chen DL, Beran MC, Duncan M, Young JA, Napolitano JT, MacDonald J. Achilles Tendon Injuries Requiring Surgical Treatment in the Pediatric and Adolescent Population: A Case Series. Curr Sports Med Rep 2022; 21:431-435. [PMID: 36508598 DOI: 10.1249/jsr.0000000000001015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
ABSTRACT Pediatric Achilles tendon injuries requiring surgical treatment are considered rare and have not been well described. A retrospective chart review was conducted from 2010 to 2020 to identify cases of acute Achilles tendon rupture or laceration that required surgical repair in individuals 19 years or younger. A total of 24 individuals with acute Achilles tendon ruptures (n = 8) and lacerations (n = 16) were identified. All spontaneous ruptures occurred in skeletally mature individuals during sports. One subject was on minocycline at the time of injury, while two had a body mass index (BMI) ≥ 99% for age. Another had a history of clubfoot surgery on the injured side. Patients with lacerations were younger (9.9 ± 3.3 vs 16.3 ± 1.6 years) and had lower BMI (17.3 ± 3.8 vs. 28.0 ± 9.4) than those with spontaneous ruptures. The majority of cases had good outcomes with no postoperative complications.
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Affiliation(s)
- Daniel L Chen
- Division of Sports Medicine, Nationwide Children's Hospital, Columbus, OH
| | | | - Molly Duncan
- Department of Orthopedic Surgery, Nationwide Children's Hospital, Columbus, OH
| | - Julie A Young
- Research Institute at Nationwide Children's Hospital, Columbus, OH
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13
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Melcher C, Renner C, Piepenbrink M, Fischer N, Büttner A, Wegener V, Birkenmaier C, Jansson V, Wegener B. Biomechanical comparisons of three minimally invasive Achilles tendon percutaneous repair suture techniques. Clin Biomech (Bristol, Avon) 2022; 92:105578. [PMID: 35093798 DOI: 10.1016/j.clinbiomech.2022.105578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 12/14/2021] [Accepted: 01/11/2022] [Indexed: 02/07/2023]
Abstract
BACKGROUND While no gold standard exists for the management of Achilles tendon ruptures, surgical repair is common in healthy and active patients. Minimally invasive repair methods have become increasingly popular, while biomechanical equivalency hasn't been proven yet. METHODS A mid-substance Achilles tendon rupture was created 6 cm proximal to the calcaneal insertion in 27 fresh-frozen cadaveric ankles. Specimens were randomly allocated to 1 of 3 repair techniques: Huttunen et al. (2014) (1) PARS Achilles Jig System, Nyyssönen et al. (2008) (2) Achilles Midsubstance SpeedBridge™, Schipper and Cohen (2017) (3) Dresdner Instrument and subsequently subjected to cyclic loading with 250 cycles each at 1 Hz with 4 different loading ranges (20-100 N, 20-200 N, 20-300 N, and 20-400 N). FINDINGS After 250 cycles no significant differences in elongation were observed between PARS and Dresdner Instrument(p = 1.0). Furthermore, SpeedBridge™ repairs elongated less than either Dresdner Instrument (p = 0.0006) or PARS (p = 0.102). Main elongation (85%) occurred within the first 10 cycles with a comparable elongation in between 10 and 100 and 100-250 cycles. While all repairs withstood the first 250 cycles of cyclic loading from 20 to 100 N, only the PARS (468 ± 175) and Midsubstance SpeedBridge™ (538 ± 208) survived more cycles. Within all 3 groups suture cut out was seen to be the most common failure mechanism. INTERPRETATION Within all groups early repair elongation was seen. While this was least obvious within the SpeedBridge™ technique, ultimate strengths of repairs (cycles to failure) were comparable across PARS and SpeedBridge™ with a decline in the Dresdner Instrument group.
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Affiliation(s)
- C Melcher
- University Hospital Ulm, Department of Orthopedic Surgery (RKU), Oberer Eseelsberg 45, 89081 Ulm, Germany; University Hospital LMU Munich, Department of Orthopaedics, Physical Medicine and Rehabilitation, Marchioninistr 15, 81377 Munich, Germany.
| | - C Renner
- Arthrex GmbH, Erwin-Hielscher-Straße 9, 81249 München, Germany.
| | - M Piepenbrink
- Arthrex GmbH, Erwin-Hielscher-Straße 9, 81249 München, Germany.
| | - N Fischer
- Arthrex GmbH, Erwin-Hielscher-Straße 9, 81249 München, Germany.
| | - A Büttner
- University Hospital Rostock, Department of Forensic Medicine, St. Georg-Str.108, 18055 Rostock, Germany.
| | - V Wegener
- University Hospital LMU Munich, Department of Orthopaedics, Physical Medicine and Rehabilitation, Marchioninistr 15, 81377 Munich, Germany.
| | - C Birkenmaier
- University Hospital LMU Munich, Department of Orthopaedics, Physical Medicine and Rehabilitation, Marchioninistr 15, 81377 Munich, Germany.
| | - V Jansson
- University Hospital LMU Munich, Department of Orthopaedics, Physical Medicine and Rehabilitation, Marchioninistr 15, 81377 Munich, Germany.
| | - B Wegener
- University Hospital LMU Munich, Department of Orthopaedics, Physical Medicine and Rehabilitation, Marchioninistr 15, 81377 Munich, Germany.
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Samelis PV, Triantafyllou E, Artsitas D, Komari C, Nikolaou S. An Anatomic Single-Suture Trans-osseous Technique for the Repair of Acute Achilles Tendon Ruptures. Cureus 2021; 13:e19092. [PMID: 34868749 PMCID: PMC8626855 DOI: 10.7759/cureus.19092] [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] [Accepted: 10/28/2021] [Indexed: 11/05/2022] Open
Abstract
Several surgical methods for the treatment of acute Achilles tendon ruptures have been described. Whether open or percutaneous, these methods may be subdivided into two categories: all-soft-tissue procedures or procedures with stabilization of the Achilles tendon directly on the os calcaneum. The former comprise end-to-end suturing of the tendon stumps, the latter include additional stabilization of the sutures on the calcaneus either with bone anchors or by means of trans-osseous sutures. We describe a new, simple, anatomic, trans-osseous suture technique to stabilize the Achilles tendon on the calcaneus.
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Affiliation(s)
| | | | - Dimitrios Artsitas
- 2nd Orthopaedic Department, Apostolos Pavlos Trauma Hospital, Athens, GRC
| | - Charikleia Komari
- 2nd Orthopaedic Department, Apostolos Pavlos Trauma Hospital, Athens, GRC
| | - Stefania Nikolaou
- 2nd Orthopaedic Department, Apostolos Pavlos Trauma Hospital, Athens, GRC
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15
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Huruba M, Farcas A, Leucuta DC, Bucsa C, Sipos M, Mogosan C. A VigiBase descriptive study of fluoroquinolone induced disabling and potentially permanent musculoskeletal and connective tissue disorders. Sci Rep 2021; 11:14375. [PMID: 34257376 PMCID: PMC8277836 DOI: 10.1038/s41598-021-93763-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 06/14/2021] [Indexed: 11/09/2022] Open
Abstract
Recent drug safety concerns described fluoroquinolone (FQ)-induced serious musculoskeletal reactions. The objective of this study was to characterize reports with FQ-associated disabling musculoskeletal disorders, from VigiBase. The analysis included all FQ-induced musculoskeletal and connective tissue disorders adverse drug reaction (ADR) reports (up to July-2019), (disabling/incapacitating, or recovered/resolved with sequelae or fatal). We described aspects like reporter, suspected FQs, ADRs, associated corticosteroid therapy. We also looked into the disproportionality data in terms of proportional reporting ratio (PRR) and information component (IC) values. A total of 5355 reports with 13,563 ADRs and 5558 FQs were reported. The majority of reports were for patients aged 18-64 (62.67%), and the female gender prevailed (61.76%). Consumers reported almost half (45.99%), with a peak in reporting rates in 2017. Top reported ADRs were arthralgia (16.34%), tendonitis (11.04%), pain in extremity (9.98%), tendon pain (7.63%), and myalgia (7.17%). Top suspected FQs were levofloxacin (50.04%), ciprofloxacin (38.41%), moxifloxacin (5.16%), ofloxacin (3.17%) and norfloxacin (1.01%). For these, FQs-ADR association was supported by the disproportionality analysis. Corticosteroids were associated with about 7% of tendon related reports. The results augment the existing data on FQs safety concerns, specifically their potential effect on the musculoskeletal system.
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Affiliation(s)
- Madalina Huruba
- Department of Pharmacology, Physiology and Physiopathology, Faculty of Pharmacy, Iuliu Haţieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Andreea Farcas
- Drug Information Research Center, "Iuliu Hatieganu" University of Medicine and Pharmacy, Pasteur Street no 6A, Cluj-Napoca, Romania.
| | - Daniel Corneliu Leucuta
- Department of Medical Informatics and Biostatistics, Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Camelia Bucsa
- Drug Information Research Center, "Iuliu Hatieganu" University of Medicine and Pharmacy, Pasteur Street no 6A, Cluj-Napoca, Romania
| | - Mariana Sipos
- Department of Pharmacology, Physiology and Physiopathology, Faculty of Pharmacy, Iuliu Haţieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Cristina Mogosan
- Department of Pharmacology, Physiology and Physiopathology, Faculty of Pharmacy, Iuliu Haţieganu" University of Medicine and Pharmacy, Cluj-Napoca, Romania.,Drug Information Research Center, "Iuliu Hatieganu" University of Medicine and Pharmacy, Pasteur Street no 6A, Cluj-Napoca, Romania
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16
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Ross RK, Kinlaw AC, Herzog MM, Jonsson Funk M, Gerber JS. Fluoroquinolone Antibiotics and Tendon Injury in Adolescents. Pediatrics 2021; 147:e2020033316. [PMID: 33990459 PMCID: PMC8168605 DOI: 10.1542/peds.2020-033316] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/02/2021] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVES To estimate the association between fluoroquinolone use and tendon injury in adolescents. METHODS We conducted an active-comparator, new-user cohort study using population-based claims data from 2000 to 2018. We included adolescents (aged 12-18 years) with an outpatient prescription fill for an oral fluoroquinolone or comparator broad-spectrum antibiotic. The primary outcome was Achilles, quadricep, patellar, or tibial tendon rupture identified by diagnosis and procedure codes. Tendinitis was a secondary outcome. We used weighting to adjust for measured confounding and a negative control outcome to assess residual confounding. RESULTS The cohort included 4.4 million adolescents with 7.6 million fills for fluoroquinolone (275 767 fills) or comparator (7 365 684) antibiotics. In the 90 days after the index antibiotic prescription, there were 842 tendon ruptures and 16 750 tendinitis diagnoses (crude rates 0.47 and 9.34 per 1000 person-years, respectively). The weighted 90-day tendon rupture risks were 13.6 per 100 000 fluoroquinolone-treated adolescents and 11.6 per 100 000 comparator-treated adolescents (fluoroquinolone-associated excess risk: 1.9 per 100 000 adolescents; 95% confidence interval -2.6 to 6.4); the corresponding number needed to treat to harm was 52 632. For tendinitis, the weighted 90-day risks were 200.8 per 100 000 fluoroquinolone-treated adolescents and 178.1 per 100 000 comparator-treated adolescents (excess risk: 22.7 per 100 000; 95% confidence interval 4.1 to 41.3); the number needed to treat to harm was 4405. CONCLUSIONS The excess risk of tendon rupture associated with fluoroquinolone treatment was extremely small, and these events were rare. The excess risk of tendinitis associated with fluoroquinolone treatment was also small. Other more common potential adverse drug effects may be more important to consider for treatment decision-making, particularly in adolescents without other risk factors for tendon injury.
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Affiliation(s)
- Rachael K Ross
- Department of Epidemiology, Gillings School of Global Public Health,
| | - Alan C Kinlaw
- Division of Pharmaceutical Outcomes and Policy, School of Pharmacy
- The Cecil G. Sheps Center for Health Services Research, and
| | - Mackenzie M Herzog
- IQVIA, Durham, North Carolina
- Department of Exercise and Sport Science, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | | | - Jeffrey S Gerber
- Division of Infectious Diseases, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania; and
- Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
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17
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Briones-Figueroa A, Sifuentes-Giraldo WA, Morell-Hita JL, Vázquez-Díaz M. Achilles Tendon Rupture Associated with the Use of Fluoroquinolones in Patients Over 60 Years of AGE: Experience From a Single Tertiary Centre. REUMATOLOGIA CLINICA 2021; 17:141-143. [PMID: 31672507 DOI: 10.1016/j.reuma.2019.08.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 06/26/2019] [Accepted: 08/07/2019] [Indexed: 06/10/2023]
Abstract
BACKGROUND Fluoroquinolones have been associated with increased risk of tendinopathy and Achilles tendon rupture (ATR), especially in patients over 60 years of age. METHODS A retrospective study was carried out including patients over 60 years of age with ATR attended in our centre over the period 2000-2017. RESULTS We identified 44 patients with RTA, of whom 18% (8/44) had been previously treated with fluoroquinolones, with a mean age at diagnosis of ATR of 77.37 years and concomitant corticotherapy in 4 of them. In 7patients, the rupture was spontaneous and all required surgical management. A significantly higher frequency of smoking, concomitant corticotherapy and spontaneous ruptures were found in the group treated with fluoroquinolones. CONCLUSIONS ATR is an adverse event that can occur in patients over 60 years of age treated with fluoroquinolones, so an adequate risk-benefit assessment should be carried out in this population, especially in the presence of associated risk factors.
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Affiliation(s)
| | - Walter Alberto Sifuentes-Giraldo
- Servicio de Reumatología, Hospital Universitario Ramón y Cajal, Madrid, España; Instituto Ramón y Cajal de Investigación Sanitaria (IRyCIS), Madrid, España
| | | | - Mónica Vázquez-Díaz
- Servicio de Reumatología, Hospital Universitario Ramón y Cajal, Madrid, España
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18
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Baik S, Lau J, Huser V, McDonald CJ. Association between tendon ruptures and use of fluoroquinolone, and other oral antibiotics: a 10-year retrospective study of 1 million US senior Medicare beneficiaries. BMJ Open 2020; 10:e034844. [PMID: 33371012 PMCID: PMC7754651 DOI: 10.1136/bmjopen-2019-034844] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
OBJECTIVES To assess the association of fluoroquinolone use with tendon ruptures compared with no fluoroquinolone and that of the four most commonly prescribed non-fluoroquinolone antibiotics in the USA. DESIGN Retrospective observational study. SETTING US seniors enrolled in the federal old-age, survivor's insurance programme. PARTICIPANTS 1 009 925 Medicare fee-for-service beneficiaries and their inpatient, outpatient, prescription drug records were used. INTERVENTIONS Seven oral antibiotics, fluoroquinolones (ciprofloxacin, levofloxacin, moxifloxacin) and amoxicillin, amoxicillin-clavulanate, azithromycin and cephalexin. PRIMARY AND SECONDARY OUTCOME MEASURES All tendon ruptures combined, and three types of tendon ruptures by anatomic site, Achilles tendon rupture, rupture of rotator cuff and other tendon ruptures occurred in 2007-2016. RESULTS Of three fluoroquinolones, only levofloxacin exhibited a significant increased risk of tendon ruptures-16% (HR=1.16; 95% CI 1.06 to 1.28), and 120% (HR=2.20; 95% CI 1.50 to 3.24) for rotator cuff and Achilles tendon rupture, respectively, in the ≤30 days window. Ciprofloxacin (HR=0.96; 95% CI 0.89 to 1.03) and moxifloxacin (HR=0.59; 95% CI 0.37 to 0.93) exhibited no increased risk of tendon ruptures combined.Among the non-fluoroquinolone antibiotics, cephalexin exhibited increased risk of combined tendon ruptures (HR=1.31; 95% CI 1.22 to 1.41) and modest to large risks across all anatomic rupture sites (HRs 1.19-1.93) at ≤30 days window. Notably, the risk of levofloxacin never exceeded the risk of the non-fluoroquinolone, cephalexin in any comparison. CONCLUSIONS In our study, fluoroquinolones as a class were not associated with the increased risk of tendon ruptures. Neither ciprofloxacin nor moxifloxacin exhibited any risk for tendon ruptures. Levofloxacin did exhibit significant increased risk. Cephalexin with no reported effect on metalloprotease activity had an equal or greater risk than levofloxacin; so we question whether metalloprotease activity has any relevance to observed associations with tendon rupture. Confounding by indication bias may be more relevant and should be given more consideration as explanation for significant associations in observational studies of tendon rupture.
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Affiliation(s)
- Seo Baik
- Lister Hill National Center for Biomedical Communications, National Library of Medicine, Bethesda, Maryland, USA
| | - Jason Lau
- Lister Hill National Center for Biomedical Communications, National Library of Medicine, Bethesda, Maryland, USA
| | - Vojtech Huser
- Lister Hill National Center for Biomedical Communications, National Library of Medicine, Bethesda, Maryland, USA
| | - Clement J McDonald
- Lister Hill National Center for Biomedical Communications, National Library of Medicine, Bethesda, Maryland, USA
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19
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Yang X, Meng H, Peng J, Xu L, Wang Y, Sun X, Zhao Y, Quan Q, Yu W, Chen M, Shi T, Du Y, Lu S, Wang A. Construction of Microunits by Adipose-Derived Mesenchymal Stem Cells Laden with Porous Microcryogels for Repairing an Acute Achilles Tendon Rupture in a Rat Model. Int J Nanomedicine 2020; 15:7155-7171. [PMID: 33061373 PMCID: PMC7535144 DOI: 10.2147/ijn.s238399] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Accepted: 08/28/2020] [Indexed: 01/07/2023] Open
Abstract
Objective Tissue engineering approaches seem to be an attractive therapy for tendon rupture. Novel injectable porous gelatin microcryogels (GMs) can promote cell attachment and proliferation, thus facilitating the repair potential for target tissue regeneration. The research objectives of this study were to assess the efficacy of tissue-like microunits constructed by multiple GMs laden with adipose-derived mesenchymal stem cells (ASCs) in accelerated tendon regeneration in a rat model. Methods Through a series of experiments, such as isolation and identification of ASCs, scanning electron microscopy, mercury intrusion porosimetry (MIP), laser scanning confocal microscopy and the CCK-8 test, the biocompatibility of GMs was evaluated. In an in vivo study, 64 rat right transected Achilles tendons were randomly divided into four groups: the ASCs+GMs group (microunits aggregated by multiple ASC-laden GMs injected into the gap), the ASCs group (ASCs injected into the gap), the GMs group (GMs injected into the gap) and the blank defect group (non-treated). At 2 and 4 weeks postoperatively, the healing tissue was harvested to evaluate the gross observation and scoring, biomechanical testing, histological staining and quantitative scoring. Gait analysis was performed over time. The 64 rats were randomly assigned into 4 groups: (1) micro-unit group (ASCs+GMs) containing ASC (105)-loaded 120 GMs in 60 μL DMEM; (2) cell control group (ASCs) containing 106 ASCs in 60 μL DMEM; (3) GM control group (GMs) containing 120 blank GMs in 60 μL DMEM; (4) blank defect group (Defect) containing 60 μL DMEM, which were injected into the defect sites. All animals were sacrificed at 2 and 4 weeks postsurgery (Table 1). Results In an in vitro study, GMs (from 126 μm to 348 μm) showed good porosities and a three-dimensional void structure with a good interpore connectivity of the micropores and exhibited excellent biocompatibility with ASCs. As the culture time elapsed, the extracellular matrix (ECM) secreted by ASCs encased the GMs, bound multiple microspheres together, and then formed active tendon tissue-engineering microunits. In animal experiments, the ASCs+GMs group and the ASCs group showed stimulatory effects on Achilles tendon healing. Moreover, the ASCs+GMs group was the best at improving the macroscopic appearance, histological morphology, Achilles functional index (AFI), and biomechanical properties of repair tissue without causing adverse immune reactions. Conclusion Porous GMs were conducive to promoting cell proliferation and facilitating ECM secretion. The ASCs-GMs matrices showed an obvious therapeutic efficiency for Achilles tendon rupture in rats.
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Affiliation(s)
- Xuan Yang
- Department of Orthopedic Surgery, Key Laboratory of Musculoskeletal Trauma &war Injuries PLA, Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing 100853, People's Republic of China.,Department of orthopedics, The First Hospital of Shanxi Medical University YanHu District Branch, Yuncheng, Shanxi 044000, People's Republic of China
| | - Haoye Meng
- Department of Orthopedic Surgery, Key Laboratory of Musculoskeletal Trauma &war Injuries PLA, Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing 100853, People's Republic of China
| | - Jiang Peng
- Department of Orthopedic Surgery, Key Laboratory of Musculoskeletal Trauma &war Injuries PLA, Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing 100853, People's Republic of China
| | - Lijuan Xu
- Department of Orthopedic Surgery, Key Laboratory of Musculoskeletal Trauma &war Injuries PLA, Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing 100853, People's Republic of China
| | - Yu Wang
- Department of Orthopedic Surgery, Key Laboratory of Musculoskeletal Trauma &war Injuries PLA, Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing 100853, People's Republic of China
| | - Xun Sun
- Department of Orthopedics, Tianjin Hospital, Tianjin 300211, People's Republic of China
| | - Yanxu Zhao
- Department of Orthopedic Surgery, Key Laboratory of Musculoskeletal Trauma &war Injuries PLA, Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing 100853, People's Republic of China
| | - Qi Quan
- Department of Orthopedic Surgery, Key Laboratory of Musculoskeletal Trauma &war Injuries PLA, Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing 100853, People's Republic of China
| | - Wen Yu
- Department of Orthopedic Surgery, Key Laboratory of Musculoskeletal Trauma &war Injuries PLA, Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing 100853, People's Republic of China
| | - Mingxue Chen
- Department of Orthopedic Surgery, Key Laboratory of Musculoskeletal Trauma &war Injuries PLA, Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing 100853, People's Republic of China
| | - Tong Shi
- Department of orthopedics, The First Hospital of Shanxi Medical University YanHu District Branch, Yuncheng, Shanxi 044000, People's Republic of China
| | - Yanan Du
- Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing 100084, People's Republic of China
| | - Shibi Lu
- Department of Orthopedic Surgery, Key Laboratory of Musculoskeletal Trauma &war Injuries PLA, Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing 100853, People's Republic of China
| | - Aiyuan Wang
- Department of Orthopedic Surgery, Key Laboratory of Musculoskeletal Trauma &war Injuries PLA, Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing 100853, People's Republic of China
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20
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Genç E, Yüksel S, Çağlar A, Beytemur O, Güleç MA. Comparison on effects of platelet-rich plasma versus autologous conditioned serum on Achilles tendon healing in a rat model. ACTA ORTHOPAEDICA ET TRAUMATOLOGICA TURCICA 2020; 54:438-444. [PMID: 32812877 DOI: 10.5152/j.aott.2020.18498] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
OBJECTIVE The aim of this study was to compare the effects of local administrations of platelet-rich plasma (PRP) with autologous conditioned serum (ACS) on Achilles tendon healing in a rat model. METHODS In this study, 40 male Sprague-Dawley rats, aged 12 months and weighing 350 to 400 g were used. The rats were divided into three groups (n=10 in each group): a control group and two treatment groups (PRP vs ACS). A standardized procedure was applied for the complete rupture and repair of the Achilles tendon in each group. The PRP group received one dose of PRP on the operative area, and ACS group received ACS at 24, 48, and 72 hours after the surgery. The control group received no injection. Animals were sacrificed 30 days after the operation, and tendon healing in each group was assessed histopathologically based on Bonar's semi-quantitative score and Movin's semi-quantitative grading scale. For the biomechanical analyses, unoperated Achilles tendons of all rats in the control and ACS groups were also harvested, and pulling tests were applied to the specimen to measure the longitudinal axis strength. The highest force value among the data obtained was defined as the maximum strength value (Fmax). RESULTS The mean Bonar's score was significantly lower in the PRP group (3.8±0.8) than in the ACS (4.8±0.45) and control groups (5.2±0.837) (p=0.0028). The mean Movin's score was significantly lower in the PRP group (7.80±1.49) than in the ACS (9.8±1) and control groups (11.2±2.4) (p=0.029). The ratio of type I collagen was significantly higher in the PRP group (60±6) than in the ACS (52±4.5) and control groups (42±9) (p=0.005). Biomechanical results obtained from operated sites were comparable in terms of Fmax among groups (PRP, 33.93±2.61; ACS, 35.24±3.26; control, 35.69±3.62) (p=0.674). Similarly, the results obtained from unoperated sites were comparable among groups (PRP, 47.71±1.21; ACS, 48.14±2; control, 49.14.69±1.88) (p=0.395). CONCLUSION In terms of histopathological results, PRP seems to be more effective than ACS for Achilles tendon healing in rats.
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Affiliation(s)
- Erdinç Genç
- Department of Orthopedics and Traumatology, Bağcılar Training and Research Hospital, İstanbul, Turkey
| | - Serdar Yüksel
- Department of Orthopedics and Traumatology, Bağcılar Training and Research Hospital, İstanbul, Turkey
| | - Aysel Çağlar
- Department of Pathology, Bağcılar Training and Research Hospital, İstanbul, Turkey
| | - Ozan Beytemur
- Department of Orthopedics and Traumatology, Bağcılar Training and Research Hospital, İstanbul, Turkey
| | - M Akif Güleç
- Department of Orthopedics and Traumatology, Bağcılar Training and Research Hospital, İstanbul, Turkey
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21
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Yu X, Jiang DS, Wang J, Wang R, Chen T, Wang K, Cao S, Wei X. Fluoroquinolone Use and the Risk of Collagen-Associated Adverse Events: A Systematic Review and Meta-Analysis. Drug Saf 2020; 42:1025-1033. [PMID: 31077091 DOI: 10.1007/s40264-019-00828-z] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
INTRODUCTION It has been suggested that fluoroquinolone antibiotics increase the risk of developing collagen-associated adverse events such as aortic dissection and aortic aneurysm. These are life-threatening emergencies that need to be prevented. OBJECTIVES We performed this systematic review to clarify the association between fluoroquinolones and three collagen-associated adverse events: aortic aneurysm or aortic dissection, retinal detachment, and tendon disorders. METHODS We searched PubMed, Embase, and Scopus for observational studies up to January 2019. Cohort and case-control studies were included if they reported data on the risk of collagen-related adverse events associated with fluoroquinolone exposure versus no exposure. We assessed the quality of the included studies using the Newcastle-Ottawa Scale. Effect statistics were pooled using random-effects models. Sensitivity and subgroup analyses were performed to identify any source of heterogeneity. RESULTS After screening 2729 citations, we included 22 observational studies (12 cohort studies and ten case-control studies) with 19,207,552 participants. Current use of fluoroquinolones was significantly associated with aortic aneurysm and aortic dissection (odds ratio [OR] 2.20; 95% confidence interval [CI] 1.92-2.52), tendon disorders (OR 1.89; 95% CI 1.53-2.33), and retinal detachment (sensitivity analysis, OR 1.25; 95% CI 1.01-1.53). Past fluoroquinolone use (> 30 and ≤ 365 days) was associated with retinal detachment (OR 1.27; 95% CI 1.09-1.47). CONCLUSIONS Fluoroquinolone use incurs a risk of developing three collagen-associated diseases (aortic aneurysm or aortic dissection, retinal detachment, and tendon disorders). Patients at an increased risk of collagen-associated diseases should not use fluoroquinolones unless no other options are available.
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Affiliation(s)
- Xinyu Yu
- Division of Cardiothoracic and Vascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Ding-Sheng Jiang
- Division of Cardiothoracic and Vascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.,Key Laboratory of Organ Transplantation, Ministry of Education, Wuhan, China.,NHC Key Laboratory of Organ Transplantation, Wuhan, China.,Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, China
| | - Jing Wang
- Division of Cardiothoracic and Vascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Rui Wang
- Division of Cardiothoracic and Vascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Taiqiang Chen
- Division of Cardiothoracic and Vascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Kan Wang
- Division of Cardiothoracic and Vascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Shiyi Cao
- School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
| | - Xiang Wei
- Division of Cardiothoracic and Vascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China. .,Key Laboratory of Organ Transplantation, Ministry of Education, Wuhan, China. .,NHC Key Laboratory of Organ Transplantation, Wuhan, China. .,Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, China.
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22
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Seale K, Burger M, Posthumus M, Häger CK, Stattin E, Nilsson KG, Collins M, September AV. The Apoptosis Pathway and CASP8 Variants Conferring Risk for Acute and Overuse Musculoskeletal Injuries. J Orthop Res 2020; 38:680-688. [PMID: 31692049 DOI: 10.1002/jor.24504] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Accepted: 10/14/2019] [Indexed: 02/04/2023]
Abstract
Rotator cuff tendinopathy (RCT), anterior cruciate ligament (ACL) ruptures, and carpal tunnel syndrome (CTS), are examples of chronic (RCT and CTS) and acute (ACL ruptures) musculoskeletal soft tissue injuries. These injuries are multifactorial in nature, with several identified intrinsic and extrinsic risk factors. Previous studies have implicated specific sequence variants within genes encoding structural and regulatory components of the extracellular matrix of tendons and/ligaments to predispose individuals to these injuries. An example, includes the association of sequence variants within the apoptotic regulatory gene, caspase-8 (CASP8) with other musculoskeletal injury phenotypes, such as Achilles tendinopathy. The primary aim of this study was, therefore, to investigate previously implicated DNA sequence variants within CASP8: rs3834129 (ins/del) and rs1045485 (G/C), and the rs13113 (T/A) identified using a whole exome sequencing approach, with risk of musculoskeletal injury phenotypes (RCT, ACL ruptures, and CTS) in three independent studies. In addition, the aim was to implicate a CASP8 genomic interval in the modulation of risk of RCT, ACL ruptures, or CTS. It was found that the AA genotype of CASP8 rs13113 (T/A) was independently associated with increased risk for CTS. In addition, it was found that the del-C haplotype (rs3834129-rs1045485) was significantly associated with non-contact ACL ruptures, which is in alignment with previous research findings. Collectively, the results of this study implicate the apoptosis pathway as biologically significant in the underlying pathogenesis of musculoskeletal injury phenotypes. These findings should be repeated in larger sample cohorts and across different populations. © 2019 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 38:680-688, 2020.
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Affiliation(s)
- Kirsten Seale
- Department of Human Biology, Division of Exercise Science and Sports Medicine, Faculty of Health Sciences, University of Cape Town, Postal: No 1 Boundary Road, ESSM Level 3, SISSA Building Newlands, Cape Town, 7700, South Africa
| | - Marilize Burger
- Department of Human Biology, Division of Exercise Science and Sports Medicine, Faculty of Health Sciences, University of Cape Town, Postal: No 1 Boundary Road, ESSM Level 3, SISSA Building Newlands, Cape Town, 7700, South Africa.,Department of Surgical Sciences, Division of Orthopaedic Surgery, Faculty of Medicine and Health Sciences, Stellenbosch University, Stellenbosch, South Africa
| | - Michael Posthumus
- Department of Human Biology, Division of Exercise Science and Sports Medicine, Faculty of Health Sciences, University of Cape Town, Postal: No 1 Boundary Road, ESSM Level 3, SISSA Building Newlands, Cape Town, 7700, South Africa
| | - Charlotte K Häger
- Department of Community Medicine and Rehabilitation, Umeå University, Umeå, Sweden
| | - Evalena Stattin
- Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala University, Uppsala, Sweden
| | - Kjell G Nilsson
- Department of Surgical and Perioperative Sciences, Umeå University, Umeå, Sweden
| | - Malcolm Collins
- Department of Human Biology, Division of Exercise Science and Sports Medicine, Faculty of Health Sciences, University of Cape Town, Postal: No 1 Boundary Road, ESSM Level 3, SISSA Building Newlands, Cape Town, 7700, South Africa
| | - Alison V September
- Department of Human Biology, Division of Exercise Science and Sports Medicine, Faculty of Health Sciences, University of Cape Town, Postal: No 1 Boundary Road, ESSM Level 3, SISSA Building Newlands, Cape Town, 7700, South Africa.,Division of Exercise Science and Sports Medicine, International Federation of Sports Medicine (FIMS) Collaborative Centre of Sports Medicine, Cape Town, South Africa.,UCT Research Centre for Health through Physical Activity, Lifestyle and Sport (HPALS), Division of Exercise Science and Sports Medicine, University of Cape Town, Cape Town, South Africa
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23
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Weng CJ, Lee D, Ho J, Liu SJ. Doxycycline-Embedded Nanofibrous Membranes Help Promote Healing of Tendon Rupture. Int J Nanomedicine 2020; 15:125-136. [PMID: 32021169 PMCID: PMC6966150 DOI: 10.2147/ijn.s217697] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 11/15/2019] [Indexed: 12/28/2022] Open
Abstract
Background Despite recent advancements in surgical techniques, the repair of tendon rupture remains a challenge for surgeons. The purpose of this study was to develop novel doxycycline-loaded biodegradable nanofibrous membranes and evaluate their efficacy for the repair of Achilles tendon rupture in a rat model. Materials and Methods The drug-loaded nanofibers were prepared using the electrospinning process and drug release from the prepared membranes was investigated both in vitro and in vivo. Furthermore, the safety and efficacy of the drug-loaded nanofibrous membranes were evaluated in rats that underwent tendon surgeries. An animal behavior cage was employed to monitor the post-surgery activity of the animals. Results The experimental results demonstrated that poly(D,L-lactide-co-glycolide) (PLGA) nanofibers released effective concentrations of doxycycline for more than 40 days post-surgery, and the systemic plasma drug concentration was low. Rats receiving implantation of doxycycline-loaded nanofibers also showed greater activities and stronger tendons post-operation. Conclusion Nanofibers loaded with doxycycline may have great potential in the repair of Achilles tendon rupture.
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Affiliation(s)
- Chun-Jui Weng
- Department of Orthopedic Surgery, Musculoskeletal Research Center, Chang Gung Memorial Hospital-Linkou, Taoyuan, Taiwan.,Department of Mechanical Engineering, Chang Gung University, Taoyuan, Taiwan
| | - Demei Lee
- Department of Mechanical Engineering, Chang Gung University, Taoyuan, Taiwan
| | - Jui Ho
- Department of Mechanical Engineering, Chang Gung University, Taoyuan, Taiwan
| | - Shih-Jung Liu
- Department of Orthopedic Surgery, Musculoskeletal Research Center, Chang Gung Memorial Hospital-Linkou, Taoyuan, Taiwan.,Department of Mechanical Engineering, Chang Gung University, Taoyuan, Taiwan
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24
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Abstract
Athletes of various skill levels commonly use many different types of medications, often at rates higher than the general population. Common medication classes used in athletes include analgesics such as nonsteroidal anti-inflammatory drugs and acetaminophen, inhalers for asthma and exercise-induced bronchoconstriction, antihypertensives, antibiotics, and insulin. Prescribers must be aware of the unique considerations for each of these medications when using them in patients participating in physical activity. The safety, efficacy, impact on athletic performance, and regulatory restrictions of the most common medications used in athletes are discussed in this article.
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Affiliation(s)
- Benjamin Ferry
- Trident/MUSC Family Medicine Residency Program, Department of Family Medicine, Medical University of South Carolina, 9228 Medical Plaza Drive, Charleston, SC 29406, USA
| | - Alexei DeCastro
- Department of Family Medicine, Medical University of South Carolina, College of Medicine, 9228 Medical Plaza Drive, Charleston, SC 29406, USA
| | - Scott Bragg
- Department of Family Medicine, College of Medicine, College of Pharmacy, Clinical Pharmacy and Outcomes Sciences, Medical University of South Carolina, 280 Calhoun Street MSC 140, Charleston, SC 29425, USA.
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25
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Alves C, Mendes D, Marques FB. Fluoroquinolones and the risk of tendon injury: a systematic review and meta-analysis. Eur J Clin Pharmacol 2019; 75:1431-1443. [DOI: 10.1007/s00228-019-02713-1] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Accepted: 06/25/2019] [Indexed: 01/06/2023]
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26
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Persson R, Jick S. Clinical implications of the association between fluoroquinolones and tendon rupture: The magnitude of the effect with and without corticosteroids. Br J Clin Pharmacol 2019; 85:949-959. [PMID: 30682225 DOI: 10.1111/bcp.13879] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 01/16/2019] [Accepted: 01/22/2019] [Indexed: 11/30/2022] Open
Abstract
AIMS To estimate the relative, absolute and attributable risk of non-traumatic tendon rupture, at various sites, associated with use of fluoroquinolones, with and without concomitant corticosteroids. METHODS We conducted cohort and nested case-control studies among fluoroquinolone users in the United Kingdom Clinical Practice Research Datalink Gold. We estimated the excess risk (cohort analysis) and odds ratios (ORs) (case control) of tendon rupture by fluoroquinolone (current, recent and past use versus unexposed) and corticosteroid (current versus unexposed) use. RESULTS Among 740 926 patients with a fluoroquinolone prescription, 3957 cases of tendon rupture were identified. The excess risk due to current fluoroquinolone use was low: any tendon rupture 3.73 (95% confidence interval, CI, 2.08-5.39) per 10 000 person-years (PY) and Achilles tendon rupture 2.91 (1.71-4.11) per 10 000 PY. The excess risk of any tendon rupture was much higher for current concomitant fluoroquinolone and corticosteroid use versus corticosteroids alone: 21.2 (11.3-31.2) per 10 000 PY. In the case-control, OR (95% CI) among current fluoroquinolone users versus unexposed patients was elevated: any tendon rupture 1.60 (1.22-2.09), Achilles tendon 2.71 (1.76-4.17) and bicep tendon 1.53 (0.85-2.73). The risk of any tendon rupture was higher among women (OR 2.27 [1.54-3.34]), patients aged 60+ (OR 2.42 [1.74-3.37]), and concomitant corticosteroid use (OR 6.64 [3.99-11.1]). CONCLUSIONS Fluoroquinolones increase the risk of Achilles tendon rupture and, to a lesser extent, bicep tendon rupture, but the attributable risk is low. The risk is materially increased with concomitant use of corticosteroids.
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Affiliation(s)
- Rebecca Persson
- Boston Collaborative Drug Surveillance Program, 11 Muzzey Street, Lexington, MA, USA
| | - Susan Jick
- Boston Collaborative Drug Surveillance Program, 11 Muzzey Street, Lexington, MA, USA.,Boston University School of Public Health, 715 Albany Street, The Talbot Building, T3E & T4E, Boston, MA, USA
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27
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Morales DR, Slattery J, Pacurariu A, Pinheiro L, McGettigan P, Kurz X. Relative and Absolute Risk of Tendon Rupture with Fluoroquinolone and Concomitant Fluoroquinolone/Corticosteroid Therapy: Population-Based Nested Case-Control Study. Clin Drug Investig 2019; 39:205-213. [PMID: 30465300 PMCID: PMC6394638 DOI: 10.1007/s40261-018-0729-y] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
BACKGROUND AND OBJECTIVE Tendon rupture can result from fluoroquinolone exposure. The objective of this study was to quantify relative and absolute risk and determine how risk is affected by timing of exposure. METHODS The UK Health Improvement Network primary care database was used to perform a nested case-control study measuring the association between fluoroquinolone exposure and tendon rupture. Adults with tendon rupture were matched on age, sex, general practice and calendar time to four controls selected from a cohort prescribed systemic fluoroquinolone or co-amoxiclav antibiotics. The relative and absolute risk of tendon rupture with fluoroquinolone exposure was calculated. RESULTS Current fluoroquinolone exposure was associated with an increased risk of any tendon rupture (adjusted incidence rate ratio [aIRR] 1.61, 95% CI 1.25-2.09) and Achilles tendon rupture (aIRR 3.14, 95% CI 2.11-4.65) that persisted for 60 days. Risk increased with cumulative exposure and was greatest when co-prescribed with oral corticosteroids (aIRR 19.36, 95% CI 7.78-48.19 for Achilles tendon rupture). The adjusted rate difference (aRD) with fluoroquinolone exposure was 2.9 and 2.1 per 10,000 patients for any and Achilles tendon rupture, respectively, and was greatest in people aged ≥ 60 years prescribed concomitant oral corticosteroid therapy (aDR 19.6 for any tendon and 6.6 Achilles tendon rupture per 10,000). No association was seen with co-amoxiclav or statin exposure, or with biceps or other tendon ruptures. CONCLUSIONS Risk of tendon rupture with fluoroquinolones depends on timing, cumulative dose and concomitant exposure to oral corticosteroids. Absolute risk significantly varied by age and concomitant corticosteroid exposure, affecting elderly patients the greatest.
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Affiliation(s)
- Daniel R Morales
- Division of Population Health and Genomics, School of Medicine, University of Dundee, Mackenzie Building, Kirsty Semple Way, Dundee, DD2 4BF, UK.
| | - Jim Slattery
- Pharmacovigilance and Epidemiology Department, European Medicines Agency, London, UK
| | - Alexandra Pacurariu
- Pharmacovigilance and Epidemiology Department, European Medicines Agency, London, UK
| | - Luis Pinheiro
- Pharmacovigilance and Epidemiology Department, European Medicines Agency, London, UK
| | - Patricia McGettigan
- Pharmacovigilance and Epidemiology Department, European Medicines Agency, London, UK
- William Harvey Research Institute, Queen Mary University of London, London, UK
| | - Xavier Kurz
- Pharmacovigilance and Epidemiology Department, European Medicines Agency, London, UK
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28
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Abstract
Objectives The incidence of acute Achilles tendon rupture appears to be increasing. The aim of this study was to summarize various therapies for acute Achilles tendon rupture and discuss their relative merits. Methods A PubMed search about the management of acute Achilles tendon rupture was performed. The search was open for original manuscripts and review papers limited to publication from January 2006 to July 2017. A total of 489 papers were identified initially and finally 323 articles were suitable for this review. Results The treatments of acute Achilles tendon rupture include operative and nonoperative treatments. Operative treatments mainly consist of open repair, percutaneous repair, mini-open repair, and augmentative repair. Traditional open repair has lower re-rupture rates with higher risks of complications. Percutaneous repair and mini-open repair show similar re-rupture rates but lower overall complication rates when compared with open repair. Percutaneous repair requires vigilance against nerve damage. Functional rehabilitation combining protected weight-bearing and early controlled motion can effectively reduce re-rupture rates with satisfactory outcomes. Biological adjuncts help accelerating tendon healing by adhering rupture ends or releasing highly complex pools of signalling factors. Conclusion The optimum treatment for complete rupture remains controversial. Both mini-open repair and functional protocols are attractive alternatives, while biotherapy is a potential future development. Cite this article: X. Yang, H. Meng, Q. Quan, J. Peng, S. Lu, A. Wang. Management of acute Achilles tendon ruptures: A review. Bone Joint Res 2018;7:561–569. DOI: 10.1302/2046-3758.710.BJR-2018-0004.R2.
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Affiliation(s)
- X Yang
- Department of Orthopedic Surgery, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing Key Lab of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing, China
| | - H Meng
- Department of Orthopedic Surgery, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing Key Lab of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing, China
| | - Q Quan
- Department of Orthopedic Surgery, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing Key Lab of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing, China
| | - J Peng
- Department of Orthopedic Surgery, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing Key Lab of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing, China
| | - S Lu
- Department of Orthopedic Surgery, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing Key Lab of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing, China
| | - A Wang
- Department of Orthopedic Surgery, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing Key Lab of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing, China
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29
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van Maele M, Misselyn D, Metsemakers WJ, Sermon A, Nijs S, Hoekstra H. Is open acute Achilles tendon rupture repair still justified? A single center experience and critical appraisal of the literature. Injury 2018; 49:1947-1952. [PMID: 30144965 DOI: 10.1016/j.injury.2018.08.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Revised: 07/31/2018] [Accepted: 08/14/2018] [Indexed: 02/02/2023]
Abstract
INTRODUCTION Acute Achilles tendon ruptures are injuries with multiple treatment strategies with possibly far reaching consequences. Open repair is associated with a high complication rate, whereas percutaneous techniques are associated with higher re-rupture rates. The goal of this study was to evaluate the clinical outcome and economic burden of open surgical repair and define a medically and economically sound treatment protocol for acute Achilles tendon ruptures. METHODS Between June 2012 and December 2016 one hundred and five patients with an acute Achilles tendon rupture, treated in an open surgical manner, were studied retrospectively. All demographic, clinical and hospital-related costs were retrieved from the electronic patient database. ATRS questionnaires were sent to assess the functional outcome. A response rate of 70.5% was achieved. RESULTS We recorded a complication rate of 40%, respectively sural nerve hypoesthesia (14.3%), delayed wound healing (28.6%), infection (20.9%) and re-rupture (4.8%). Surgical resident, as primary operating surgeon was associated with a higher complication rate (p = 0.042). Overall, a median functional ATRS score of 17 (IQR 6.5-39.5) was recorded. Infection was associated with significantly higher total healthcare costs per patient as compared to re-rupture (€17,435 vs. €4,537, p = 0.013). The total cost for surgical debridement (n = 6) was approximately 5-times higher than for re-rupture (n = 5), €108,382 vs. €22,272. The median ATRS score for surgical debridement after infection and re-rupture did not differ significantly from the overall ATRS score, respectively 32 (IQR 21-63) and 28 (IQR 15-28). Nevertheless, a difference of 10 points is considered clinically relevant. CONCLUSION The overall functional outcome of open repair of Achilles tendon ruptures is rather good, however associated with a high complication rate, mainly due to wound problems and infection. Although several risk factors were identified, only the operating surgeon is modifiable. Considering the high total costs for surgical debridement in the context of infection compared to re-rupture surgery, despite equal functional outcome,we decided to change clinical practice to reduce the complication rate and healthcare costs. The outcome and precise costs for percutaneous repair will be addressed.
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Affiliation(s)
- Margaux van Maele
- KU Leuven - University of Leuven, Faculty of Medicine, B-3000 Leuven, Belgium
| | - Dominique Misselyn
- University Hospitals Leuven, Department of Trauma Surgery, B-3000 Leuven, Belgium
| | - Willem-Jan Metsemakers
- University Hospitals Leuven, Department of Trauma Surgery, B-3000 Leuven, Belgium; KU Leuven - University of Leuven, Department of Development and Regeneration, B-3000 Leuven, Belgium
| | - An Sermon
- University Hospitals Leuven, Department of Trauma Surgery, B-3000 Leuven, Belgium; KU Leuven - University of Leuven, Department of Development and Regeneration, B-3000 Leuven, Belgium
| | - Stefaan Nijs
- University Hospitals Leuven, Department of Trauma Surgery, B-3000 Leuven, Belgium; KU Leuven - University of Leuven, Department of Development and Regeneration, B-3000 Leuven, Belgium
| | - Harm Hoekstra
- University Hospitals Leuven, Department of Trauma Surgery, B-3000 Leuven, Belgium; KU Leuven - University of Leuven, Department of Development and Regeneration, B-3000 Leuven, Belgium.
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30
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Jupiter DC, Fang X, Ashmore Z, Shibuya N, Mehta HB. The Relative Risk of Achilles Tendon Injury in Patients Taking Quinolones. Pharmacotherapy 2018; 38:878-887. [PMID: 29972705 DOI: 10.1002/phar.2162] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECTIVE To examine the association between quinolone use and Achilles tendon injury, comparing well-matched cohorts of users of quinolone and nonquinolone antibiotics, and well-matched cohorts of quinolone users and patients not using any nonquinolone antibiotics. PATIENTS AND METHODS This retrospective cohort study used Clinformatics data from 2008-2014. Using the propensity score, we matched quinolone users with other antibiotic users and quinolone users with nonusers. The primary outcome was Achilles tendon injury within 6 months. Bivariate analyses determined risk factors for Achilles tendon injury, and conditional logistic regression assessed the impact of quinolone use on these injuries. RESULTS A total of 716,522 fluoroquinolone users were matched with other antibiotic users, and 645,034 fluoroquinolone users were matched with nonusers. Rates of Achilles tendon injury were less than 0.5% in all groups. Quinolone use increased the risk of Achilles tendon injury compared with other antibiotic users (odds ratio [OR] 1.24, 95% confidence interval [CI] 1.17-1.31) and nonusers (OR 1.54, 95% CI 1.44-1.64). Interaction with age did not significantly impact the relationship between quinolone use and Achilles injury; however, older quinolone users had a slightly higher relative risk of injury than nonusers versus younger patients. Furthermore, the youngest group of patients had similarly elevated relative risk for injury with quinolone use as did the elderly. CONCLUSION Although quinolone use increases the risk of Achilles tendon injury, the absolute risk increase is minimal, especially when compared with similar morbidity patients taking other nonquinolone antibiotics. In relatively healthy populations, such as the one studied here, quinolone use may not make a clinically significant contribution to risk of Achilles tendon injury, at any age range, among those in need of such drugs.
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Affiliation(s)
- Daniel C Jupiter
- Department of Preventive Medicine and Community Health, University of Texas Medical Branch, Galveston, Texas
| | - Xiao Fang
- Department of Preventive Medicine and Community Health, University of Texas Medical Branch, Galveston, Texas
| | - Zachary Ashmore
- School of Medicine, University of Texas Medical Branch, Galveston, Texas
| | - Naohiro Shibuya
- Department of Surgery, College of Medicine, Texas A&M University Health Science Center, Round Rock, Texas.,Section of Podiatry, Department of Surgery, Central Texas Veterans Affairs Health Care System, Temple, Texas.,Department of Surgery, Baylor Scott& White Health, Temple, Texas
| | - Hemalkumar B Mehta
- Department of Surgery, University of Texas Medical Branch, Galveston, Texas
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Deng S, Sun Z, Zhang C, Chen G, Li J. Surgical Treatment Versus Conservative Management for Acute Achilles Tendon Rupture: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. J Foot Ankle Surg 2018; 56:1236-1243. [PMID: 29079238 DOI: 10.1053/j.jfas.2017.05.036] [Citation(s) in RCA: 110] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2016] [Indexed: 02/03/2023]
Abstract
Acute Achilles tendon ruptures can be treated with surgical and nonsurgical treatment. However, the optimal intervention for acute Achilles tendon rupture remains controversial. The aim of the present study was to compare the clinical outcomes of surgical treatment versus conservative management for acute Achilles tendon rupture. Eight randomized controlled studies involving 762 patients were included in the meta-analysis. In general, re-rupture occurred in 14 of 381 surgically treated patients (3.7%) and 37 of 377 nonsurgically treated patients (9.8%). Pooled results showed that the total re-rupture rate was significantly lower in surgical group than that in the nonsurgical group (risk ratio 0.38, 95% confidence interval 0.21 to 0.68; p = .001). No significant differences were found between the 2 treatment groups in the incidence of deep venous thrombosis, the number who returned to sport, ankle range of motion (dorsiflexion, plantarflexion), Achilles tendon total rupture score, or physical activity scale. Surgical treatment can effectively reduce the re-rupture rate and might be a better choice for the treatment of acute Achilles tendon rupture. Multicenter, double-blind randomized controlled trials with stratification and long-term follow-up are needed to obtain a higher level of evidence and to guide clinical practice, especially in the comparison and selection of different treatments.
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Affiliation(s)
- Senlin Deng
- Orthopedist, Department of Orthopedic Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Zhengyu Sun
- Orthopedist, Department of Orthopedic Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Chenghao Zhang
- Orthopedist, Department of Orthopedic Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Gang Chen
- Orthopedist, Department of Orthopedic Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Jian Li
- Orthopedist, Department of Orthopedic Surgery, West China Hospital, Sichuan University, Chengdu, China; Professor, Department of Orthopedic Surgery, West China Hospital, Sichuan University, Chengdu, China.
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Wang FT, Xue F, Ding Y, Ng E, Critchlow CW, Dore DD. Predictive values of diagnostic codes for identifying serious hypocalcemia and dermatologic adverse events among women with postmenopausal osteoporosis in a commercial health plan database. BMC Health Serv Res 2018; 18:263. [PMID: 29631582 PMCID: PMC5891890 DOI: 10.1186/s12913-018-3016-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Accepted: 03/15/2018] [Indexed: 11/12/2022] Open
Abstract
Background Post-marketing safety studies of medicines often rely on administrative claims databases to identify adverse outcomes following drug exposure. Valid ascertainment of outcomes is essential for accurate results. We aim to quantify the validity of diagnostic codes for serious hypocalcemia and dermatologic adverse events from insurance claims data among women with postmenopausal osteoporosis (PMO). Methods We identified potential cases of serious hypocalcemia and dermatologic events through ICD-9 diagnosis codes among women with PMO within claims from a large US healthcare insurer (June 2005-May 2010). A physician adjudicated potential hypocalcemic and dermatologic events identified from the primary position on emergency department (ED) or inpatient claims through medical record review. Positive predictive values (PPVs) and 95% confidence intervals (CIs) quantified the fraction of potential cases that were confirmed. Results Among 165,729 patients with PMO, medical charts were obtained for 40 of 55 (73%) potential hypocalcemia cases; 16 were confirmed (PPV 40%, 95% CI 25–57%). The PPV was higher for ED than inpatient claims (82 vs. 24%). Among 265 potential dermatologic events (primarily urticaria or rash), we obtained 184 (69%) charts and confirmed 128 (PPV 70%, 95% CI 62–76%). The PPV was higher for ED than inpatient claims (77 vs. 39%). Conclusion Diagnostic codes for hypocalcemia and dermatologic events may be sufficient to identify events giving rise to emergency care, but are less accurate for identifying events within hospitalizations. Electronic supplementary material The online version of this article (10.1186/s12913-018-3016-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Florence T Wang
- Optum Epidemiology, 1325 Boylston Street, Suite 1000, Boston, MA, 02215, USA.
| | - Fei Xue
- Amgen Inc., One Amgen Center Drive, Thousand Oaks, CA, 91320, USA
| | - Yan Ding
- Optum Epidemiology, 1325 Boylston Street, Suite 1000, Boston, MA, 02215, USA
| | - Eva Ng
- Optum Epidemiology, 1325 Boylston Street, Suite 1000, Boston, MA, 02215, USA
| | | | - David D Dore
- Optum Epidemiology, 1325 Boylston Street, Suite 1000, Boston, MA, 02215, USA.,Brown University School of Public Health, Providence, RI, 02912, USA
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Krumme AA, Pawar A, Schneeweiss S, Glynn RJ, Choudhry NK, Kulldorff M, Ortiz AS, Avorn J, Gagne JJ. Study protocol for the dabigatran, apixaban, rivaroxaban, edoxaban, warfarin comparative effectiveness research study. J Comp Eff Res 2018; 7:57-66. [DOI: 10.2217/cer-2017-0053] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Since 2010, four oral anticoagulants have been approved for marketing in addition to warfarin for treatment of thromboembolic disease. Limited head-to-head data exist comparing these treatments, leaving patients and clinicians with little guidance for selecting a strategy that balances recurrence reduction with bleeding risk. In the dabigatran, apixaban, rivaroxban, edoxaban and warfarin comparative effectiveness research study, we compare all five currently available oral anticoagulant agents for the extended treatment of deep venous thrombosis and pulmonary embolism, as well as no extended treatment, and evaluate whether results differ in specific sub-populations. As our population includes Medicare novel anticoagulant users and large numbers of commercially insured and Medicaid patients, our results will likely be transportable to the majority of US patients experiencing a DVT or pulmonary embolism. Clinical Trials registration: NCT03271450.
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Affiliation(s)
- Alexis A Krumme
- Division of Pharmacoepidemiology & Pharmacoeconomics, Department of Medicine, Brigham & Women's Hospital & Harvard Medical School, 1620 Tremont Street, Suite 3030, Boston, MA 02120, USA
| | - Ajinkya Pawar
- Division of Pharmacoepidemiology & Pharmacoeconomics, Department of Medicine, Brigham & Women's Hospital & Harvard Medical School, 1620 Tremont Street, Suite 3030, Boston, MA 02120, USA
| | - Sebastian Schneeweiss
- Division of Pharmacoepidemiology & Pharmacoeconomics, Department of Medicine, Brigham & Women's Hospital & Harvard Medical School, 1620 Tremont Street, Suite 3030, Boston, MA 02120, USA
| | - Robert J Glynn
- Division of Pharmacoepidemiology & Pharmacoeconomics, Department of Medicine, Brigham & Women's Hospital & Harvard Medical School, 1620 Tremont Street, Suite 3030, Boston, MA 02120, USA
| | - Niteesh K Choudhry
- Division of Pharmacoepidemiology & Pharmacoeconomics, Department of Medicine, Brigham & Women's Hospital & Harvard Medical School, 1620 Tremont Street, Suite 3030, Boston, MA 02120, USA
| | - Martin Kulldorff
- Division of Pharmacoepidemiology & Pharmacoeconomics, Department of Medicine, Brigham & Women's Hospital & Harvard Medical School, 1620 Tremont Street, Suite 3030, Boston, MA 02120, USA
| | - Adrian Santiago Ortiz
- Division of Pharmacoepidemiology & Pharmacoeconomics, Department of Medicine, Brigham & Women's Hospital & Harvard Medical School, 1620 Tremont Street, Suite 3030, Boston, MA 02120, USA
| | - Jerome Avorn
- Division of Pharmacoepidemiology & Pharmacoeconomics, Department of Medicine, Brigham & Women's Hospital & Harvard Medical School, 1620 Tremont Street, Suite 3030, Boston, MA 02120, USA
| | - Joshua J Gagne
- Division of Pharmacoepidemiology & Pharmacoeconomics, Department of Medicine, Brigham & Women's Hospital & Harvard Medical School, 1620 Tremont Street, Suite 3030, Boston, MA 02120, USA
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Fluoroquinolones and the Risk of Achilles Tendon Disorders: Update on a Neglected Complication. Urology 2017; 113:20-25. [PMID: 29074337 DOI: 10.1016/j.urology.2017.10.017] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2017] [Revised: 09/09/2017] [Accepted: 10/10/2017] [Indexed: 11/23/2022]
Abstract
OBJECTIVE To evaluate the current evidence and to identify associated risk factors that increase the incidence of this complication. Fluoroquinolone (FQ) has been considered the first-line therapy for uncomplicated urinary infections. FQ has been associated with Achilles tendon disorders, especially during the first month of treatment. METHODS Data sources searched included PubMed, MEDLINE, and Scopus from January 1988 to June 2017. RESULTS A total of 79 articles were used, with ciprofloxacin representing the most common drug. CONCLUSION We found that male gender, advanced age, normal body mass index, chronic renal failure, and concurrent use of corticosteroids increase the risk of Achilles tendon disorders.
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Risk factors for achilles tendon rupture: A matched case control study. Injury 2017; 48:2342-2347. [PMID: 28859844 DOI: 10.1016/j.injury.2017.08.050] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2017] [Revised: 07/18/2017] [Accepted: 08/22/2017] [Indexed: 02/02/2023]
Abstract
PURPOSE The purpose of this study was to elucidate whether body mass index (BMI), activity level, and other risk factors predispose patients to Achilles tendon ruptures. MATERIALS AND METHODS A retrospective review of 279 subjects was performed (93 with Achilles tendon rupture, matched 1:2 with 186 age/sex matched controls with ankle sprains). Demographic variables and risk factors for rupture were tabulated and compared. RESULTS The rupture group mean BMI was 27.77 (95% CI, 26.94-28.49), and the control group mean BMI was 26.66 (95% CI, 26.06-27.27). These populations were found to be statistically equivalent (p=0.047 and p<0.001 by two one-sided t-test). A significantly higher proportion of those suffering ruptures reported regular athletic activity at baseline (74%) versus controls (59%, p=0.013). CONCLUSION There was no clinically significant difference found in BMI between patients with ruptures and controls. Furthermore, it was found that patients who sustained ruptures were also more likely to be active at baseline than their ankle sprain counterparts.
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Two Unique Cases of Ciprofloxacin-Associated Avulsion of Ligament and Tendon. Am J Phys Med Rehabil 2017; 97:e33-e36. [PMID: 28857901 DOI: 10.1097/phm.0000000000000816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Ciprofloxacin is recognized to have a deleterious relationship with tendons, particularly Achilles tendinopathy, which makes up most case reports. Tendinopathy seems to occur because of induction of collagen-degrading enzymes causing damage and ischemia of the poorly vascularized regions preventing repair. The focus on the relationship of ciprofloxacin and the Achilles tendon leaves patients on fluoroquinolones with non-Achilles tendinopathy symptoms at risk of misdiagnosis. There have not been any documented instances of ligament damage with ciprofloxacin administration in the literature, although ligament and tendon compositions are similar and should have similar susceptibility. This report includes two cases, one presenting with right lateral thumb pain and a medical history of gastroenteritis treated with ciprofloxacin. Physical examination showed swelling of the right metacarpophalangeal joint and ultrasound confirmed disruption of the radial collateral ligament at insertion on first metacarpal; the second case is of a woman presenting with right hip pain in setting of chronic recurrent diverticulitis treated with ciprofloxacin. She received work-up for lumbar disc disease and spondylosis. After standard therapy with pharmacotherapy and physical therapy for radiculopathy failed, magnetic resonance imaging was performed showing near complete avulsion of the right hamstring tendons from the ischial tuberosity.
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Abstract
A shortcut review of the literature was carried out to establish whether the use of fluoroquinolones was associated with an increased risk of tendinopathy in adult patients. 10 trials were found to be directly relevant to the three-part question. The author, date and country of publication, patient group studied, study type, relevant outcomes, results and study weaknesses of these papers are tabulated. The clinical bottom line is that there is an association between the use of fluoroquinolones and a broad range of tendinopathies.
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Abstract
BACKGROUND Fluoroquinolone antibiotics are commonly used to treat infections and are prescribed by general practitioners, medical specialists and surgeons. Tendon injury has been associated with the use of these medications but the risk associated with newer fluoroquinolones has not been established. OBJECTIVES The aim of this systematic review was to evaluate the evidence from observational studies to determine the strength of the association between fluoroquinolone use and tendinopathy, and to identify risk factors for this complication. METHODS We searched MEDLINE, EMBASE and the Cochrane Collaboration from inception through May 2013 to identify observational studies focused on tendon injury and fluoroquinolones. Studies with original data were selected for inclusion following the PRISMA guidelines. Of the 560 abstracts screened, 16 relevant studies were independently rated by three authors (WW, AS, DC) using the Newcastle-Ottawa Quality Assessment Scale, and assigned a quality score out of 9. High-quality studies (i.e. scored 4.5 or higher) are summarized in detail in this article. Data were independently extracted by two authors (WW, AS). RESULTS Overall, 16 studies were included in our study. Eight were deemed to be of high quality and five specifically evaluated Achilles tendon rupture. In addition, three studies examined Achilles tendinitis, and three included tendon disorders (including any tendon rupture) as an outcome. Results from these studies suggest that individuals exposed to fluoroquinolones are at increased risk for Achilles tendon rupture, particularly within the first month following exposure to the drug (odds ratios ranged from 1.1 to 7.1). One study showed an increased risk of tendon rupture in those over 60 years of age. Five studies stated that individuals taking fluoroquinolones and oral corticosteroids are at increased risk for tendon injury compared with those taking fluoroquinolones alone. Four studies examined the differential effect of a limited number of fluoroquinolones. Ofloxacin had the highest risk of tendon injury in three of the studies. LIMITATIONS Included studies are observational in nature and rely on self-report, which may lead to misclassification or underestimation of tendon injury. CONCLUSIONS Observational studies showed an increased risk of tendon injury, including tendon rupture and tendinitis, with exposure to fluoroquinolone antibiotic therapy. Although this complication appears to be rare, concomitant corticosteroids increase the risk for tendon injury, which varies depending on the fluoroquinolone used.
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Spoendlin J, Meier C, Jick SS, Meier CR. Achilles or biceps tendon rupture in women and men with type 2 diabetes: A population-based case-control study. J Diabetes Complications 2016; 30:903-9. [PMID: 26987918 DOI: 10.1016/j.jdiacomp.2016.02.017] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2016] [Revised: 02/19/2016] [Accepted: 02/20/2016] [Indexed: 01/18/2023]
Abstract
AIMS Previous studies suggest that diabetes causes alterations in tendon collagen structure, but evidence on how such findings translate into clinical practice is scarce. We aimed to analyze the association between type 2 diabetes and the risk of tendon rupture. MATERIALS AND METHODS We conducted a matched case-control analysis using the UK-based Clinical Practice Research Datalink. Cases (n=7895) were aged 30-89years and had an incident diagnosis of Achilles- or biceps tendon rupture between 1995 and 2013. In multivariable logistic regression analyses we compared the odds of tendon rupture between patients with or without type 2 diabetes, in men and women separately, and taking into account diabetes severity (HbA1c), duration, and antidiabetic drug treatment. RESULTS Within 165 (7.1%) female cases with type 2 diabetes, odds ratios (ORs) were increased with poorer diabetes control (OR 2.03, 95% CI 1.20-3.41, HbA1c ≥9% [≥75mmol/mol]), longer disease duration (OR 1.60, 95% CI 0.93-2.74, ≥10years), and current insulin use (OR 2.25, 95% CI 1.30-3.90, ≥20 prescriptions). Among 372 (6.7%) male cases, there was no effect of type 2 diabetes on the risk of tendon rupture. CONCLUSIONS Our results suggest that the risk of tendon ruptures may be increased in women with poorly controlled type 2 diabetes, but not in men.
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Affiliation(s)
- Julia Spoendlin
- Basel Pharmacoepidemiology Unit, Division of Clinical Pharmacy and Epidemiology, Department of Pharmaceutical Sciences, University of Basel, Spitalstrasse 26, 4031 Basel, Switzerland; Hospital Pharmacy, University Hospital Basel, Spitalstrasse 26, 4031 Basel Switzerland
| | - Christian Meier
- Division of Endocrinology, Diabetes and Metabolism, University Hospital Basel, Petersgraben 4, 4031 Basel, Switzerland
| | - Susan S Jick
- Boston Collaborative Drug Surveillance Program, Boston University School of Public Health, 11 Muzzey Street, 02421 Lexington, MA, USA
| | - Christoph R Meier
- Basel Pharmacoepidemiology Unit, Division of Clinical Pharmacy and Epidemiology, Department of Pharmaceutical Sciences, University of Basel, Spitalstrasse 26, 4031 Basel, Switzerland; Hospital Pharmacy, University Hospital Basel, Spitalstrasse 26, 4031 Basel Switzerland; Boston Collaborative Drug Surveillance Program, Boston University School of Public Health, 11 Muzzey Street, 02421 Lexington, MA, USA.
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Time for integrating clinical, lifestyle and molecular data to predict drug responses - Authors' reply. EBioMedicine 2016; 7:11. [PMID: 27322447 PMCID: PMC4909323 DOI: 10.1016/j.ebiom.2016.03.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Accepted: 03/11/2016] [Indexed: 12/03/2022] Open
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Bidell MR, Lodise TP. Fluoroquinolone-Associated Tendinopathy: Does Levofloxacin Pose the Greatest Risk? Pharmacotherapy 2016; 36:679-93. [DOI: 10.1002/phar.1761] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Abstract
BACKGROUND The Achilles tendon is the strongest tendon in the human body. The incidence of Achilles tendon ruptures appears to be increasing. OBJECTIVES The aim of this review was to systematically summarize predictors influencing Achilles tendon rupture (ATR) risk. METHODS A systematic literature search was performed of reported determinants influencing the ATR risk. Studies were eligible if there was: (i) description of determinants predicting ATR; (ii) an outcome defined as ATR; (iii) any study design with at least ten adults included with ATR; (iv) use of statistical tests regarding differences between patients with an ATR and healthy controls; (v) a full text article available; (vi) an article written in English, German or Dutch. Quality assessment was done using a standardized criteria set. Best-evidence synthesis was performed. RESULTS We included 31 studies, of which two (6.5%) were considered high-quality studies. Moderate evidence was found for increased ATR risk and decreased fibril size of Achilles tendon. CONCLUSION Based on the results of this systematic review there is moderate evidence that decreased tendon fibril size increases the ATR risk. There is limited evidence for many other factors, some of which are modifiable, such as increased body weight, oral corticosteroid use and quinolone use and living in an urban area, and therefore may be of interest in future studies. Furthermore, these results showed that more high-quality studies are needed for evaluating the determinants influencing the ATR risk.
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Affiliation(s)
- Femke M A P Claessen
- Department of Orthopaedic Surgery, Erasmus MC, University Medical Centre Rotterdam, PO Box 2040, 3000 CA, Rotterdam, The Netherlands
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Arabyat RM, Raisch DW, McKoy JM, Bennett CL. Fluoroquinolone-associated tendon-rupture: a summary of reports in the Food and Drug Administration’s adverse event reporting system. Expert Opin Drug Saf 2015; 14:1653-60. [DOI: 10.1517/14740338.2015.1085968] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Spoendlin J, Meier C, Jick SS, Meier CR. Oral and inhaled glucocorticoid use and risk of Achilles or biceps tendon rupture: a population-based case-control study. Ann Med 2015; 47:492-8. [PMID: 26362249 DOI: 10.3109/07853890.2015.1074272] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Tendinotoxicity of glucocorticoids (GC) has been shown, but evidence on how this translates into clinical practice remains scarce. OBJECTIVES To explore the association between oral or inhaled GC use and the risk of Achilles or biceps tendon rupture (ATR/BTR). METHODS We identified patients aged 18 to 89 years with incident ATR or BTR (1995-2013) for a matched (1:4) case-control analysis using the UK-based Clinical Practice Research Datalink. We stratified oral GC use by indication, timing and duration of use, continuous versus intermittent use, cumulative dose, and average daily dose. We stratified inhaled GC use by timing and number of prescriptions. RESULTS Among 8,202 cases, we observed increased odds ratios (ORs) around 3.0 for continuous oral GC use, which declined shortly after therapy cessation (similarly across indications). Odds ratios increased with average daily dose (≥ 10 mg/day, OR 4.05, 95% CI 2.32-7.08) and were elevated after one cycle of high-dose oral GC (≥ 20 mg/day). There was no effect of inhaled GC at any level of exposure. CONCLUSION Our results provide evidence that oral GC therapy increases the risk of tendon rupture in a dose-response relationship. A single short-term high-dose GC treatment course may be sufficient transiently to increase the risk of tendon rupture.
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Affiliation(s)
- Julia Spoendlin
- a Basel Pharmacoepidemiology Unit, Division of Clinical Pharmacy and Epidemiology, Department of Pharmaceutical Sciences , University of Basel , Switzerland.,b Hospital Pharmacy, University Hospital Basel , Basel , Switzerland
| | - Christian Meier
- c Division of Endocrinology, Diabetes and Metabolism, University Hospital Basel , Basel , Switzerland
| | - Susan S Jick
- d Boston Collaborative Drug Surveillance Program, Boston University School of Public Health , Lexington , MA , USA
| | - Christoph R Meier
- a Basel Pharmacoepidemiology Unit, Division of Clinical Pharmacy and Epidemiology, Department of Pharmaceutical Sciences , University of Basel , Switzerland.,b Hospital Pharmacy, University Hospital Basel , Basel , Switzerland.,d Boston Collaborative Drug Surveillance Program, Boston University School of Public Health , Lexington , MA , USA
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Margel D, Urbach DR, Lipscombe LL, Bell CM, Kulkarni G, Baniel J, Fleshner N, Austin PC. Is pathology necessary to predict mortality among men with prostate-cancer? BMC Med Inform Decis Mak 2014; 14:114. [PMID: 25495664 PMCID: PMC4275978 DOI: 10.1186/s12911-014-0114-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2014] [Accepted: 11/17/2014] [Indexed: 02/19/2023] Open
Abstract
Background Statistical models developed using administrative databases are powerful and inexpensive tools for predicting survival. Conversely, data abstraction from chart review is time-consuming and costly. Our aim was to determine the incremental value of pathological data obtained from chart abstraction in addition to information acquired from administrative databases in predicting all-cause and prostate cancer (PC)-specific mortality. Methods We identified a cohort of men with diabetes and PC utilizing population-based data from Ontario. We used the c-statistic and net-reclassification improvement (NRI) to compare two Cox- proportional hazard models to predict all-cause and PC-specific mortality. The first model consisted of covariates from administrative databases: age, co-morbidity, year of cohort entry, socioeconomic status and rural residence. The second model included Gleason grade and cancer volume in addition to all aforementioned variables. Results The cohort consisted of 4001 patients. The accuracy of the admin-data only model (c-statistic) to predict 5-year all-cause mortality was 0.7 (95% CI 0.69-0.71). For the extended model (including pathology information) it was 0.74 (95% CI 0.73-0.75). This corresponded to a change in category of predicted probability of survival among 14.8% in the NRI analysis. The accuracy of the admin-data model to predict 5-year PC specific mortality was 0.76 (95% CI 0.74-0.78). The accuracy of the extended model was 0.85 (95% CI 0.83-0.87). Corresponding to a 28% change in the NRI analysis. Conclusions Pathology chart abstraction, improved the accuracy in predicting all-cause and PC-specific mortality. The benefit is smaller for all-cause mortality, and larger for PC-specific mortality.
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Affiliation(s)
- David Margel
- Division of Urology, Rabin Medical Center, Beilinson Campus, 39 Jabotinsky, Petah Tikva, 4941492, Israel. .,Davidoff Cancer Center, Rabin Medical Center, Beilinson Campus, Petah Tikva, Israel.
| | - David R Urbach
- Departments of Surgery and Health Policy Management and Evaluation, University of Toronto, Toronto, Canada. .,Division of Clinical Decision Making and Health Care, Toronto General Hospital Research Institute, Toronto, Canada. .,Institute for Clinical Evaluative Sciences (ICES), Toronto, Canada. .,Cancer Care Ontario, Ontario, Canada. .,Institute for Health Policy Management and Evaluation, University of Toronto, Toronto, Canada.
| | - Lorraine L Lipscombe
- Institute for Clinical Evaluative Sciences (ICES), Toronto, Canada. .,Institute for Health Policy Management and Evaluation, University of Toronto, Toronto, Canada. .,Department of Medicine, Women's College Hospital and Research Institute, University of Toronto, Toronto, Canada.
| | - Chaim M Bell
- Institute for Clinical Evaluative Sciences (ICES), Toronto, Canada. .,Institute for Health Policy Management and Evaluation, University of Toronto, Toronto, Canada. .,Department of Medicine and Keenan Research Centre in the Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Canada.
| | - Girish Kulkarni
- Institute for Clinical Evaluative Sciences (ICES), Toronto, Canada. .,Division of Urology, Department of Surgical Oncology, Princess Margaret Hospital, University Health Network, Toronto, Ontario, Canada.
| | - Jack Baniel
- Division of Urology, Rabin Medical Center, Beilinson Campus, 39 Jabotinsky, Petah Tikva, 4941492, Israel.
| | - Neil Fleshner
- Division of Urology, Department of Surgical Oncology, Princess Margaret Hospital, University Health Network, Toronto, Ontario, Canada.
| | - Peter C Austin
- Institute for Clinical Evaluative Sciences (ICES), Toronto, Canada. .,Institute for Health Policy Management and Evaluation, University of Toronto, Toronto, Canada.
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Chung CP, Rohan P, Krishnaswami S, McPheeters ML. A systematic review of validated methods for identifying patients with rheumatoid arthritis using administrative or claims data. Vaccine 2014; 31 Suppl 10:K41-61. [PMID: 24331074 DOI: 10.1016/j.vaccine.2013.03.075] [Citation(s) in RCA: 84] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2012] [Revised: 02/15/2013] [Accepted: 03/26/2013] [Indexed: 11/15/2022]
Abstract
PURPOSE To review the evidence supporting the validity of billing, procedural, or diagnosis code, or pharmacy claim-based algorithms used to identify patients with rheumatoid arthritis (RA) in administrative and claim databases. METHODS We searched the MEDLINE database from 1991 to September 2012 using controlled vocabulary and key terms related to RA and reference lists of included studies were searched. Two investigators independently assessed the full text of studies against pre-determined inclusion criteria and extracted the data. Data collected included participant and algorithm characteristics. RESULTS Nine studies reported validation of computer algorithms based on International Classification of Diseases (ICD) codes with or without free-text, medication use, laboratory data and the need for a diagnosis by a rheumatologist. These studies yielded positive predictive values (PPV) ranging from 34 to 97% to identify patients with RA. Higher PPVs were obtained with the use of at least two ICD and/or procedure codes (ICD-9 code 714 and others), the requirement of a prescription of a medication used to treat RA, or requirement of participation of a rheumatologist in patient care. For example, the PPV increased from 66 to 97% when the use of disease-modifying antirheumatic drugs and the presence of a positive rheumatoid factor were required. CONCLUSIONS There have been substantial efforts to propose and validate algorithms to identify patients with RA in automated databases. Algorithms that include more than one code and incorporate medications or laboratory data and/or required a diagnosis by a rheumatologist may increase the PPV.
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Affiliation(s)
- Cecilia P Chung
- Division of Rheumatology, Vanderbilt University School of Medicine, 1161 21st Avenue South, D-3100, Medical Center North, Nashville, TN 37232-2358, USA.
| | - Patricia Rohan
- Office of Biostatistics and Epidemiology, Center for Biologics Evaluation and Research, Food and Drug Administration, WOC1 Building, Room 454S, 1401 Rockville Pike, Rockville, MD 20852-1428, USA
| | - Shanthi Krishnaswami
- Vanderbilt Evidence-based Practice Center, Vanderbilt University Medical Center, Suite 600, 2525 West End Avenue, Nashville, TN 37203-1738, USA.
| | - Melissa L McPheeters
- Vanderbilt Evidence-based Practice Center and Department of Obstetrics and Gynecology, Vanderbilt University Medical Center, Suite 600, 2525 West End Avenue, Nashville, TN 37203-1738, USA.
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Pai MP, Cojutti P, Pea F. Levofloxacin Dosing Regimen in Severely Morbidly Obese Patients (BMI ≥40 kg/m2) Should Be Guided by Creatinine Clearance Estimates Based on Ideal Body Weight and Optimized by Therapeutic Drug Monitoring. Clin Pharmacokinet 2014; 53:753-62. [DOI: 10.1007/s40262-014-0154-1] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Abstract
CONTEXT Antibiotics are the mainstay of treatment for bacterial infections in patients of all ages. Athletes who maximally train are at risk for illness and various infections. Routinely used antibiotics have been linked to tendon injuries, cardiac arrhythmias, diarrhea, photosensitivity, cartilage issues, and decreased performance. EVIDENCE ACQUISITION Relevant articles published from 1989 to 2012 obtained through searching MEDLINE and OVID. Also, the Food and Drug Administration website was utilized. STUDY DESIGN Clinical review. LEVEL OF EVIDENCE Level 3. RESULTS The team physician should consider alternative medications in place of the "drug of choice" when adverse drug effects are a concern for an athlete's health or performance. If alternative medications cannot be selected, secondary preventative measures, including sunscreen or probiotics, may be needed. CONCLUSION Physicians choose medications based on a variety of factors to help ensure infection resolution while limiting potential side effects. Extra precautions are indicated when treating athletes with certain antibiotics.
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Affiliation(s)
| | - Matthew Voltz
- Delaware Orthopedic Specialists, Wilmington, Delaware
| | | | - Jeremy Close
- Thomas Jefferson University Hospital, Philadelphia, PA
| | | | - Joshua Okon
- Christiana Care Health System, Wilmington, Delaware
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Gagne JJ, Wang SV, Rassen JA, Schneeweiss S. A modular, prospective, semi-automated drug safety monitoring system for use in a distributed data environment. Pharmacoepidemiol Drug Saf 2014; 23:619-27. [PMID: 24788694 DOI: 10.1002/pds.3616] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2013] [Revised: 02/22/2014] [Accepted: 02/24/2014] [Indexed: 02/02/2023]
Abstract
PURPOSE The aim of this study was to develop and test a semi-automated process for conducting routine active safety monitoring for new drugs in a network of electronic healthcare databases. METHODS We built a modular program that semi-automatically performs cohort identification, confounding adjustment, diagnostic checks, aggregation and effect estimation across multiple databases, and application of a sequential alerting algorithm. During beta-testing, we applied the system to five databases to evaluate nine examples emulating prospective monitoring with retrospective data (five pairs for which we expected signals, two negative controls, and two examples for which it was uncertain whether a signal would be expected): cerivastatin versus atorvastatin and rhabdomyolysis; paroxetine versus tricyclic antidepressants and gastrointestinal bleed; lisinopril versus angiotensin receptor blockers and angioedema; ciprofloxacin versus macrolide antibiotics and Achilles tendon rupture; rofecoxib versus non-selective non-steroidal anti-inflammatory drugs (ns-NSAIDs) and myocardial infarction; telithromycin versus azithromycin and hepatotoxicity; rosuvastatin versus atorvastatin and diabetes and rhabdomyolysis; and celecoxib versus ns-NSAIDs and myocardial infarction. RESULTS We describe the program, the necessary inputs, and the assumed data environment. In beta-testing, the system generated four alerts, all among positive control examples (i.e., lisinopril and angioedema; rofecoxib and myocardial infarction; ciprofloxacin and tendon rupture; and cerivastatin and rhabdomyolysis). Sequential effect estimates for each example were consistent in direction and magnitude with existing literature. CONCLUSIONS Beta-testing across nine drug-outcome examples demonstrated the feasibility of the proposed semi-automated prospective monitoring approach. In retrospective assessments, the system identified an increased risk of myocardial infarction with rofecoxib and an increased risk of rhabdomyolysis with cerivastatin years before these drugs were withdrawn from the market.
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Affiliation(s)
- Joshua J Gagne
- Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 02120, USA
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Wise BL, Peloquin C, Choi H, Lane NE, Zhang Y. Impact of age, sex, obesity, and steroid use on quinolone-associated tendon disorders. Am J Med 2012; 125:1228.e23-1228.e28. [PMID: 23026288 PMCID: PMC3502655 DOI: 10.1016/j.amjmed.2012.05.027] [Citation(s) in RCA: 91] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2012] [Revised: 05/23/2012] [Accepted: 05/23/2012] [Indexed: 12/25/2022]
Abstract
BACKGROUND Quinolone antibiotics are associated with increased risk of tendinopathy. Identifying at-risk individuals has important clinical implications. We examined whether age, sex, glucocorticoid use, obesity, diabetes, and renal failure/dialysis predispose individuals to the adverse effects of quinolones. METHODS Among 6.4 million patients in The Health Improvement Network (THIN) database, 28,907 cases of Achilles tendonitis and 7685 cases of tendon rupture were identified in a case-crossover study. For each participant, we ascertained whether there was a prescription of a quinolone and comparison antibiotic within 30 days before the diagnosis of tendon disorder (case period) and a prescription of the same medications within 30 days 1 year before disease diagnosis (control period). RESULTS Use of quinolones was strongly associated with an increased risk of Achilles tendonitis (odds ratio [OR], 4.3; 95% confidence interval [CI], 3.2-5.7) and tendon rupture (OR, 2.0; 95% CI, 1.2-3.3). No association was found between the use of other antibiotics and either outcome. The association with Achilles tendonitis was stronger among participants who were aged more than 60 years (OR, 8.3 vs 1.6), who were nonobese (OR, 7.7 vs 2.4), and who used oral glucocorticoids (OR, 9.1 vs 3.2). The association was nonsignificantly stronger in women (OR, 5.0 vs 3.6), diabetic persons (OR, 7.0 vs 4.1), and those in renal failure or receiving dialysis (OR, 20.0 vs 3.9). The effect for tendon rupture was stronger in women, with borderline significance in glucocorticoid users and nonobese persons. CONCLUSION Quinolone-associated tendinopathy is more pronounced among elderly persons, nonobese persons, and individuals with concurrent use of glucocorticoids.
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Affiliation(s)
- Barton L Wise
- University of California, Davis School of Medicine, Sacramento, CA 95817, USA.
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