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Molina-Payá FJ, Ríos-Díaz J, Carrasco-Martínez F, Martínez-Payá JJ. Infrared Thermography, Intratendon Vascular Resistance, and Echotexture in Athletes with Patellar Tendinopathy: A Cross-Sectional Study. ULTRASONIC IMAGING 2023; 45:47-61. [PMID: 36779568 DOI: 10.1177/01617346231153581] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Ultrasonographic signs of tendinopathies are an increase in thickness, loss of alignment in collagen fibers and the presence of neovascularization. Nevertheless, analysis of intratendinous vascular resistance (IVR) can be more useful for understanding the physiological state of the tissue. To show thermal, echotextural, and Doppler signal differences in athletes with patellar tendinopathy and controls. Twenty-six athletes with patellar tendinopathy (PT) participants (30.1 years; SD = 9.0 years) and 27 asymptomatic athletes (23.3 years; SD = 5.38 years) were evaluated with thermographic and Doppler ultrasonography (DS). Area of Doppler signals (DS), echotextural parameters (echointensity and echovariation) and IVR were determined by image analysis. The statistical analysis was performed by Bayesian methods and the results were showed by Bayes Factor (BF10: probability of alternative hypothesis over null hypothesis), and Credibility intervals (CrI) of the effect. The absolute differences of temperature (TD) were clearly greater (BF10 = 19) in the tendinopathy group (patients) than in controls. Regarding temperature differences between the affected and healthy limb, strong evidence was found (BF10 = 14) for a higher temperature (effect = 0.53°C; 95% CrI = 0.15°C-0.95°C) and very strong for reduced IVR compared (BF10 = 71) (effect = -0.67; 95% CrI = -1.10 to 0.25). The differences in area of DS (BF10 = 266) and EV (BF10 = 266) were higher in tendinopathy group. TD showed a moderate positive correlation with VISA-P scores (tau-B = .29; 95% CrI = .04-.51) and strong correlation with IVR (r = -.553; 95%CrI = -.75 to .18). Athletes with patellar tendinopathy showed a more pronounced thermal difference, a larger area of Doppler signal, a lower IVR and a moderately higher echovariaton than controls. The correlation between temperature changes and IVR might be related with the coexistence of degenerative and inflammatory process in PT.
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Affiliation(s)
| | - José Ríos-Díaz
- Universidad Pontificia Comillas Escuela Universitaria de Enfermería y Fisioterapia San Juan de Dios, Madrid, Spain
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Accuracy of infrared thermography in detecting tendinopathy: A systematic review with meta-analysis. Phys Ther Sport 2022; 58:117-125. [DOI: 10.1016/j.ptsp.2022.10.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Revised: 10/05/2022] [Accepted: 10/06/2022] [Indexed: 11/18/2022]
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Kumar P, Gaurav A, Rajnish RK, Sharma S, Kumar V, Aggarwal S, Patel S. Applications of thermal imaging with infrared thermography in Orthopaedics. J Clin Orthop Trauma 2021; 24:101722. [PMID: 34926152 PMCID: PMC8646160 DOI: 10.1016/j.jcot.2021.101722] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 11/23/2021] [Accepted: 11/24/2021] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Pathological conditions with ongoing inflammatory processes result in specific heat signatures at the affected body parts; infrared thermography (IRT) detects these changes and can be utilied in screening such conditions. The modern devices are advanced and their non contact, convenient and precise readings can aid in multiple medical sub fields. Orthopaedics as a broad entity has witnessed utilisation of this technology for different indications and the present scoping review was done to assess these established indications and further scope of its utility. METHOD ology: A Medline search was done on April 26, 2021 with specific keywords for studies of any design in English language discussing the usage of thermography in Orthopaedics. Animal studies, conference abstracts, systematic reviews, e-posters, case reports, book chapters, and studies describing the use of thermography in non-Orthopaedic patients were excluded. RESULTS Total number of hits were 1380. 43 studies including case series and case control studies were included in the review. The subfields or indications described were pain/arthritis, Charcot's foot/neuropathic ulcers, infections associated with diabetic feet and arthroplasties, reflex sympathetic dystrophy, carpal tunnel syndrome, sports medicine, paediatric orthopaedics, spine, ergonomics and compartment syndrome. CONCLUSION IRT has been described to be effective in orthopaedic conditions with specific heat signatures and this can assess the trend of the ongoing inflammatory process as well as response to a particular treatment. Additionally, it can specifically determine the exact loci of the pathology for targeted interventions.
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de Carvalho G, Girasol CE, Gonçalves LGC, Guirro ECO, Guirro RRDJ. Correlation between skin temperature in the lower limbs and biochemical marker, performance data, and clinical recovery scales. PLoS One 2021; 16:e0248653. [PMID: 33735213 PMCID: PMC7971490 DOI: 10.1371/journal.pone.0248653] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Accepted: 03/02/2021] [Indexed: 01/19/2023] Open
Abstract
The aim of this study was to evaluate the correlation between tools commonly used in the detection of physiological changes, such as clinical complaints, a biochemical marker of muscle injury, and performance data during official matches, with infrared thermography, which has been commonly used in the possible tracking of musculoskeletal injuries in athletes. Twenty-two athletes from a professional soccer club (age 27.7 ± 3.93 years; BMI 24.35 ± 1.80 kg/cm2) were followed during the season of a national championship, totaling 19 matches with an interval of 7 days between matches. At each match, the athletes used a Global Positioning System (GPS) device to collect performance data. Forty-eight hours after each match, every athlete’s perception of recovery, fatigue, and pain was documented. Blood was collected for creatine kinase (CK) analysis, and infrared thermography was applied. Only athletes who presented pain above 4 in either limb were included for thermographic analysis. Each thermographic image was divided into 14 regions of interest. For statistical analysis, we included only the images that showed differences ≥ 1° C. Data normality was verified by the Kolmogorov-Smirnov test with Dallal-Wilkinson-Lilliefors correction. We used the Pearson correlation coefficient to verify the correlation between infrared thermography and the biochemical marker, performance data, and clinical recovery scales. No correlation was observed between mean skin temperature and blood CK levels, pain level, perception of recovery, and fatigue perception (r <0.2, p>0.05). Thus, infrared thermography did not correlate with CK level, pain, fatigue perception, or recovery, nor with performance variables within the field.
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Affiliation(s)
- Gabriela de Carvalho
- Postgraduate Program in Rehabilitation and Functional Performance, Department of Healthy Science, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Carlos Eduardo Girasol
- Postgraduate Program in Rehabilitation and Functional Performance, Department of Healthy Science, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Luiz Guilherme Cruz Gonçalves
- Postgraduate Program in Rehabilitation and Functional Performance, Department of Healthy Science, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
- Physiology department of Botafogo Futebol Clube, Ribeirão Preto, São Paulo, Brazil
| | - Elaine Caldeira Oliveira Guirro
- Postgraduate Program in Rehabilitation and Functional Performance, Department of Healthy Science, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Rinaldo Roberto de Jesus Guirro
- Postgraduate Program in Rehabilitation and Functional Performance, Department of Healthy Science, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
- * E-mail:
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Liu L, Gisselman AS, Tumilty S. Thermal profiles over the Patella tendon in a cohort of non-injured collegiate athletes over the course of a cross-country season. Phys Ther Sport 2020; 44:47-52. [PMID: 32416581 DOI: 10.1016/j.ptsp.2020.04.034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 04/28/2020] [Accepted: 04/29/2020] [Indexed: 12/30/2022]
Abstract
OBJECTIVES To determine normal temperatures over the Patella tendon over eleven weeks. DESIGN A prospective cohort study with eleven weeks of observation. SETTING University's Human Biomechanics and Physiology Laboratory. PARTICIPANTS Male or female collegiate runners running at least 25 miles per week who did not report pain in the region of the Patella tendon over 11 weeks of data collection. MAIN OUTCOME MEASURES Thermal images taken at the same time and day of the week, were used to measure the temperature of the skin over the Patella tendon. RESULTS Eighteen athletes were eligible for analysis. The mean temperature of the Patella tendon was 30.13 °C (SD = 1.51 °C). Patella tendon temperature changes over time were insignificant (right p = 0.66, left p = 0.90) with ICC right = 0.92, left = 0.94. Mean temperature difference side to side was 0.14 °C (SD = 0.60 °C). Mixed-model Linear regression for mean temperature differences found the effect of (i) time (t = 0.39, p = 0.70, df = 361) and (ii) side (t = -0.89, p = 0.38, df = 361) to be insignificant. CONCLUSIONS This is the first report of normal thermal profiles of collegiate runners over an extended period. Temperature variation above 1.20 °C may represent an abnormal asymmetry in the running population. Variations in Patella tendon temperatures left to right, and over time were not significant.
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Affiliation(s)
- Lizhou Liu
- Centre for Health, Activity, and Rehabilitation Research, School of Physiotherapy, University of Otago, Dunedin, New Zealand
| | | | - Steve Tumilty
- Centre for Health, Activity, and Rehabilitation Research, School of Physiotherapy, University of Otago, Dunedin, New Zealand.
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de Jesus JF, de Albuquerque TAB, Shimba LG, Bryk FF, Cook J, Pinfildi CE. High-energy dose of therapeutic ultrasound in the treatment of patellar tendinopathy: protocol of a randomized placebo-controlled clinical trial. BMC Musculoskelet Disord 2019; 20:624. [PMID: 31881879 PMCID: PMC6933732 DOI: 10.1186/s12891-019-2993-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Accepted: 12/09/2019] [Indexed: 01/30/2023] Open
Abstract
BACKGROUND Patellar tendinopathy is an extremely debilitating condition and its treatment usually requires a combination of clinical approaches. Therapeutic ultrasound (TUS) is one of the most available electrophysical agent in rehabilitation settings; however, there is also a lack of high-quality studies that test different dosimetric aspects of TUS. Thus, the purpose of this study is to evaluate the short-, medium-, and long-term effects of the combination of high-energy TUS with a rehabilitation program for patellar tendinopathy. METHODS This will be a randomized, placebo-controlled trial with blinding of patients, assessors, and therapist. The setting is an outpatient physical therapy clinic. We will recruit 66 participants (male and female) aged between 18 and 40 years and presenting with patellar tendinopathy. A treatment combining high-energy dose TUS and a rehabilitation program for patellar tendinopathy will be delivered twice a week for 8 weeks. The control group will receive the same treatment, but with a placebo TUS. The effectiveness of the intervention will be measured at the beginning (baseline), midpoint (4 weeks), and end of treatment (8 weeks), as well as at 3- and 6-months post-treatment. Primary outcomes will be pain intensity (visual analogue scale, VAS), and VISA-P questionnaire and primary time points will be baseline (T0) and the end of the program (T2). Also, IPAQ-short form questionnaire, muscle strength (manual dynamometry), 2D kinematics, pain pressure threshold (PPT) algometry, thermography, and magnetic resonance imaging (MRI) will be collected. DISCUSSION TUS will be applied in an attempt to enhance the results obtained with the rehabilitation program proposed in this study, as well as stimulate some repair responses in individuals undergoing treatment for patellar tendinopathy, which in turn may optimize and improve treatment programs for patellar tendinopathy as well as to establish new guidelines for the application of TUS. TRIAL REGISTRATION This study was prospectively registered at April-3rd-2018 and updated at September-1st-2019 in the Brazilian Registry of Clinical Trials (REBEC) under the registration number: RBR-658n6w.
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Affiliation(s)
- Julio Fernandes de Jesus
- Human Movement Science and Rehabilitation Postgraduate Program, Universidade Federal de São Paulo - UNIFESP, campus Baixada Santista, Santos, SP, 11015-029, Brazil. .,Physical Agents and Rehabilitation Research Group GPRAE, Universidade Federal de São Paulo - UNIFESP, campus Baixada Santista, Santos, SP, 11015-029, Brazil. .,Functional Rehabilitation Specialized Group - GERF, São Paulo, SP, 01239-040, Brazil.
| | - Tadeu Aldrovando Brihy de Albuquerque
- Functional Rehabilitation Specialized Group - GERF, São Paulo, SP, 01239-040, Brazil.,Rehabilitation Sciences Program, Universidade Nove de Julho - UNINOVE, São Paulo, SP, 02112-000, Brazil
| | | | - Flavio Fernandes Bryk
- Functional Rehabilitation Specialized Group - GERF, São Paulo, SP, 01239-040, Brazil
| | - Jill Cook
- La Trobe Sport and Exercise Medicine Research Centre, La Trobe University, Vic, Melbourne, 3086, Australia
| | - Carlos Eduardo Pinfildi
- Physical Agents and Rehabilitation Research Group GPRAE, Universidade Federal de São Paulo - UNIFESP, campus Baixada Santista, Santos, SP, 11015-029, Brazil.,Human Movement of Science Department - Physical Therapy Course, Universidade Federal de São Paulo - UNIFESP, campus Baixada Santista, Santos, SP, 11015-029, Brazil
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Sanz-López F, Martínez-Amat A, Hita-Contreras F, Valero-Campo C, Berzosa C. Thermographic Assessment of Eccentric Overload Training Within Three Days of a Running Session. J Strength Cond Res 2016; 30:504-11. [PMID: 26110350 DOI: 10.1519/jsc.0000000000001071] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The aim of this study was to analyze the changes in patellar and Achilles tendons between a group trained using eccentric overload and an untrained group within 3 days of a running session. To this end, infrared thermography (IRT) will be used. Twenty healthy male subjects were divided into 2 groups. One group performed a 6-week squat training in the flywheel before the running session. During the running intervention, both groups ran in 3 different days, for 1 hour each, at 80% maximal heart rate. Before, just after, and after 10 minutes of the running intervention, participants were assessed using IRT. Eccentrically trained groups showed a statistically significant difference (analysis of variance, p = 0.0049) expressed as a smaller bilateral increase in temperature in the patellar tendon just before the first running day (right side, 0.11 °C; left side, 0.29 °C). On the other days of running and in the Achilles tendon groups, similar changes were observed: an increase in the temperature after running and no significant difference between contralateral limbs. Our results point at eccentric overload training providing a better adaptation for the first day of running. IRT is an easy-to-apply noninvasive tool to analyze and compare the effects of performance on tendon tissues.
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Affiliation(s)
- Fernando Sanz-López
- 1Valora Research Group, Health Sciences Faculty, San Jorge University, Zaragoza, Spain; 2Department of Health Sciences, Faculty of Health Sciences, University of Jaén, Jaén, Spain; and 3Research Group CTS-026 "Study Group on Physical Activity, Physiotherapy and Health," Jaén, Spain
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Chaudhry S, Fernando R, Screen H, Waugh C, Tucker A, Morrissey D. The use of medical infrared thermography in the detection of tendinopathy: a systematic review. PHYSICAL THERAPY REVIEWS 2016. [DOI: 10.1080/10833196.2016.1223575] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Côrte ACRE, Hernandez AJ. TERMOGRAFIA MÉDICA INFRAVERMELHA APLICADA À MEDICINA DO ESPORTE. REV BRAS MED ESPORTE 2016. [DOI: 10.1590/1517-869220162204160783] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
RESUMO A termografia médica infravermelha é um instrumento de análise não invasiva e não radioativa, capaz de analisar funções fisiológicas relacionadas com o controle da temperatura da pele. A termografia detecta a luz infravermelha emitida pelo corpo e visualiza mudanças de temperatura corporal relacionadas à alteração no fluxo sanguíneo. Não é um método que mostra anormalidades anatômicas, porém é capaz de mostrar mudanças fisiológicas. Existem várias aplicações da termografia no campo da medicina: desordens neurológicas, reumatológicas, musculares, doenças vasculares, patologias urológicas, ginecológicas, ortopédicas e na medicina esportiva. Para todas as áreas médicas, a termografia está estabelecida como uma medida que proporciona um mapeamento visual da distribuição da temperatura da pele. A termografia não deve ser usada como ferramenta diagnóstica única. Exames clínicos devem ser realizados para interpretação dos termogramas. Nas aplicações médicas, esta técnica proporciona, somente, uma imagem da distribuição da temperatura da pele; não é capaz de mostrar dados de uma superfície profunda do corpo, como é possível por outros exames de imagem. Entretanto, é um método não-invasivo e objetivo, além de seguro e inofensivo. Na medicina do esporte, o uso da termografia pode proporcionar melhores resultados aos atletas por ser um instrumento na identificação de riscos e na prevenção de lesões, além de ser uma importante ferramenta no acompanhamento do treinamento esportivo, a partir da avaliação da quantificação da carga de trabalho.
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McGowan L, Loughin CA, Marino DJ, Umbaugh SE, Liu P, Amini M, Solt P, Lesser ML, Akerman M. Medical Infrared Imaging of Normal and Dysplastic Elbows in Dogs. Vet Surg 2015; 44:874-82. [PMID: 26340680 DOI: 10.1111/vsu.12372] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
OBJECTIVE To investigate the ability of medical infrared imaging to differentiate between normal canine elbows and those with abnormal elbows (elbow dysplasia). STUDY DESIGN Prospective cohort study. ANIMALS Dogs with normal (n = 15) and abnormal (n = 14) elbows. METHODS Infrared imaging was performed on all dogs and data analyzed via descriptive statistics and image pattern analysis software. Animals with elbow dysplasia had arthroscopic procedures to confirm the presence of elbow disease. RESULTS Computer recognition pattern analysis was up to 100% correct in identifying abnormal elbows and normal elbows, with the medial images most consistent. The caudal, lateral, and cranial images correctly identified 83-100% abnormal elbows. The caudal and lateral images correctly identified 83% normal elbows. A significant difference in temperature was found between normal and abnormal elbows for the cranial full region of interest, lateral images, and each quadrant. CONCLUSION Medical infrared imaging was able to correctly identify known abnormal and known normal elbows in dogs.
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Affiliation(s)
- Lauren McGowan
- Department of Surgery, Long Island Veterinary Specialists, Plainveiw, New York
| | - Catherine A Loughin
- Department of Surgery, Long Island Veterinary Specialists, Plainveiw, New York
| | - Dominic J Marino
- Department of Surgery, Long Island Veterinary Specialists, Plainveiw, New York
| | - Scott E Umbaugh
- Department of Electrical and Computer Engineering, School of Engineering, Southern Illinois University, Edwardsville, Illinois
| | - Peng Liu
- Department of Electrical and Computer Engineering, School of Engineering, Southern Illinois University, Edwardsville, Illinois
| | - Maryam Amini
- Department of Electrical and Computer Engineering, School of Engineering, Southern Illinois University, Edwardsville, Illinois
| | - Patrick Solt
- Department of Electrical and Computer Engineering, School of Engineering, Southern Illinois University, Edwardsville, Illinois
| | - Martin L Lesser
- Department of Molecular Medicine and Department of Population Health, Biostatistics Unit, The Feinstein Institute for Medical Research, Hofstra North Shore-LIJ School of Medicine, New Hyde Park, New York
| | - Meredith Akerman
- Department of Molecular Medicine and Department of Population Health, Biostatistics Unit, The Feinstein Institute for Medical Research, Hofstra North Shore-LIJ School of Medicine, New Hyde Park, New York
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Grossbard BP, Loughin CA, Marino DJ, Marino LJ, Sackman J, Umbaugh SE, Solt PS, Afruz J, Leando P, Lesser ML, Akerman M. Medical Infrared Imaging (Thermography) of Type I Thoracolumbar Disk Disease in Chondrodystrophic Dogs. Vet Surg 2014; 43:869-76. [DOI: 10.1111/j.1532-950x.2014.12239.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2011] [Accepted: 08/01/2011] [Indexed: 11/30/2022]
Affiliation(s)
- Brian P. Grossbard
- Department of Surgery; Long Island Veterinary Specialists; Plainview New York
| | - Catherine A. Loughin
- Department of Surgery; Long Island Veterinary Specialists; Plainview New York
- The Canine Chiari Institute at Long Island Veterinary Specialists; Plainview New York
| | - Dominic J. Marino
- Department of Surgery; Long Island Veterinary Specialists; Plainview New York
- The Canine Chiari Institute at Long Island Veterinary Specialists; Plainview New York
| | - Leonard J. Marino
- Department of Surgery; Long Island Veterinary Specialists; Plainview New York
- The Canine Chiari Institute at Long Island Veterinary Specialists; Plainview New York
| | - Joseph Sackman
- The Canine Chiari Institute at Long Island Veterinary Specialists; Plainview New York
| | - Scott E. Umbaugh
- The Canine Chiari Institute at Long Island Veterinary Specialists; Plainview New York
- Computer Vision and Image Processing Laboratory; Electrical and Computer Engineering Department; Southern Illinois University at Edwardsville; Edwardsville Illinois
| | - Patrick S. Solt
- The Canine Chiari Institute at Long Island Veterinary Specialists; Plainview New York
- Computer Vision and Image Processing Laboratory; Electrical and Computer Engineering Department; Southern Illinois University at Edwardsville; Edwardsville Illinois
| | - Jakia Afruz
- Computer Vision and Image Processing Laboratory; Electrical and Computer Engineering Department; Southern Illinois University at Edwardsville; Edwardsville Illinois
| | - Peter Leando
- The Canine Chiari Institute at Long Island Veterinary Specialists; Plainview New York
- Meditherm, Inc.; Fort Myers Florida
| | - Martin L. Lesser
- The Canine Chiari Institute at Long Island Veterinary Specialists; Plainview New York
- North Shore-LIJ Health System Feinstein Institute for Medical Research, Biostatistics Unit; Manhasset New York
| | - Meredith Akerman
- North Shore-LIJ Health System Feinstein Institute for Medical Research, Biostatistics Unit; Manhasset New York
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Abstract
The stifle joint, a common location for lameness in dogs, is a complex arrangement of osseous, articular, fibrocartilaginous, and ligamentous structures. The small size of its component structures, restricted joint space, and its intricate composition make successful diagnostic imaging a challenge. Different tissue types and their superimposition limit successful diagnostic imaging with a single modality. Most modalities exploit the complexity of tissue types found in the canine stifle joint. Improved understanding of the principles of each imaging modality and the properties of the tissues being examined will enhance successful diagnostic imaging.
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Affiliation(s)
- Dominic J Marino
- Department of Surgery, Long Island Veterinary Specialists, Plainview, NY 11803, USA.
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Infernuso T, Loughin CA, Marino DJ, Umbaugh SE, Solt PS. Thermal imaging of normal and cranial cruciate ligament-deficient stifles in dogs. Vet Surg 2010; 39:410-7. [PMID: 20459492 DOI: 10.1111/j.1532-950x.2010.00677.x] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
OBJECTIVE To investigate the capability of thermography for differentiation between normal stifles and those with cranial cruciate ligament (CCL) rupture in dogs, initially with a full hair coat and 1 hour after clipping the hair coat. STUDY DESIGN Prospective study. ANIMALS Labrador Retrievers (n=6) with normal stifle joints (controls) and adult dogs (n=10) with CCL rupture. METHODS Thermography was performed before, and 60 minutes after, clipping the hair coat from the pelvic limb. Stifle images were classified as normal or abnormal, then subclassified as clipped and unclipped hair coat. CCL deficiency was confirmed at surgery and thermographic images subsequently classified as abnormal before analysis with image processing software. RESULTS Using image recognition analysis, differentiation between normal and CCL-deficient stifles in both clipped and unclipped dogs was 85% successful on cranial images, medial, caudal, and lateral images were between 75% and 85% successful. Although there were significant increases in skin temperature after clipping in both groups (P<.0002-.0001), there were no significant temperature differences between normal and CCL-deficient stifles when the entire stifle was examined. CONCLUSION Thermography was successful in differentiating naturally occurring CCL-deficient stifles in dogs, with a success rate of 75-85%. Clipping is not necessary for successful thermographic evaluation of the canine stifle. CLINICAL RELEVANCE Thermography may be a useful imaging modality for diagnosis of CCL deficiency in dogs when CCL rupture is suspected but stifle laxity is not evident.
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Affiliation(s)
- Tomas Infernuso
- Department of Surgery, Long Island Veterinary Specialists, Plainview, NY 11803, USA
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Abstract
Objective:To review the etiology of patellar tendinopathy as it relates to clinical management of chronic patellar-tendon disease in athletes.Data Sources:Information was gathered from a MEDLINE search of literature in English using the key wordspatellar tendinitis, patellar tendonitis, patellar tendinosis, patellar tendinopathy,andjumper’s knee.Study Selection:All relevant peer-reviewed literature in English was reviewed.Data Synthesis:The etiology of patellar tendinopathy is multifactorial, incorporating both intrinsic and extrinsic factors. Age, muscle flexibility, training program, and knee-joint dynamics have all been associated with patellar tendinopathy. The roles of gender, body morphology, and patellar mobility in patellar tendinopathy are unclear.Conclusions:The pathoetiology of patellar tendinopathy is a complex process that results from both an inflammatory response and degenerative changes. There is a tremendous need for research to improve our understanding of the pathoetiology of patellar tendinopathy and its clinical management.
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Cook JL, Khan KM, Harcourt PR, Grant M, Young DA, Bonar SF. A cross sectional study of 100 athletes with jumper's knee managed conservatively and surgically. The Victorian Institute of Sport Tendon Study Group. Br J Sports Med 1997; 31:332-6. [PMID: 9429013 PMCID: PMC1332572 DOI: 10.1136/bjsm.31.4.332] [Citation(s) in RCA: 146] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
OBJECTIVES Jumper's knee causes significant morbidity in athletes of all standards. However, there are few reference data on the clinical course of this condition in a large number of patients, and the aim of this study was to rectify this. METHODS A retrospective study of the course of jumper's knee in 100 athletes who presented to a sports medicine clinic over a nine year period was carried out. Subjects completed a questionnaire designed to collect details of sport participation, symptoms, and time out of sport. Ultrasonographic results were recorded from the radiologists' reports. Histopathological results were obtained for patients who had surgery. RESULTS Forty eight subjects recalled that symptoms of jumper's knee began before the age of 20 years. Symptoms prevented 33 from participating in sport for more than six months, and 18 of these were sidelined for more than 12 months. Forty nine of the subjects had two or more separate episodes of symptoms. Ultrasonography showed a characteristics hypoechoic region at the junction of the inferior pole of the patella and the deep surface of the patellar tendon. Histopathological examination showed separation and disruption of collagen fibres on polarisation light microscopy and an increase in mucoid ground substance consistent with damage of tendon collagen without inflammation. CONCLUSIONS Jumper's knee has the potential to be a debilitating condition for a sports person. About 33% of athletes presenting to a sports medicine clinic with jumper's knee were unable to return to sport for more than six months.
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Affiliation(s)
- J L Cook
- Victorian Institute of Sport, South Melbourne, Australia
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