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Marais JV, Jansen van Rensburg A, Schwellnus MP, Jordaan E, Boer P. Risk factors associated with a history of iliotibial band syndrome (hITBS) in distance runners: a cross-sectional study in 76 654 race entrants - a SAFER XXXIII study. PHYSICIAN SPORTSMED 2024:1-11. [PMID: 38618688 DOI: 10.1080/00913847.2024.2341607] [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: 11/13/2023] [Accepted: 04/08/2024] [Indexed: 04/16/2024]
Abstract
BACKGROUND Despite the numerous health benefits of distance running, it is also associated with the development of 'gradual onset running-related injuries' (GORRIs) one of which is Iliotibial Band Syndrome (ITBS). Novel risk factors associated with a history of ITBS (hITBS) have not been described in a large cohort of distance runners. OBJECTIVE To identify risk factors associated with hITBS in distance runners. DESIGN Descriptive cross-sectional study. SETTING 21.1 km and 56 km Two Oceans Marathon races (2012-2015). PARTICIPANTS 106 743 race entrants completed the online pre-race medical screening questionnaire. A total of 1 314 runners confirmed an accurate hITBS diagnosis. METHODS Selected risk factors associated with hITBS explored included: demographics (race distance, sex, age groups), training/running variables, history of existing chronic diseases (including a composite chronic disease score) and history of any allergy. Prevalence (%) and prevalence ratios (PR; 95% CI) are reported (uni- & multiple regression analyzes). RESULTS 1.63% entrants reported hITBS in a 12-month period. There was a higher (p < 0.0001) prevalence of hITBS in the longer race distance entrants (56 km), females, younger entrants, fewer years of recreational running (PR = 1.07; p = 0.0009) and faster average running speed (PR = 1.02; p = 0.0066). When adjusted for race distance, sex, age groups, a higher chronic disease composite score (PR = 2.38 times increased risk for every two additional chronic diseases; p < 0.0001) and a history of allergies (PR = 1.9; p < 0.0001) were independent risk factors associated with hITBS. CONCLUSION Apart from female sex, younger age, fewer years of running and slower running speed, two novel independent risk factors associated with hITBS in distance runners are an increased number of chronic diseases and a history of allergies. Identifying athletes at higher risk for ITBS can guide healthcare professionals in their prevention and rehabilitation efforts.
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Affiliation(s)
- Jandre V Marais
- Section Sports Medicine, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
- Sport, Exercise Medicine and Lifestyle Institute (SEMLI), Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
| | | | - Martin P Schwellnus
- Sport, Exercise Medicine and Lifestyle Institute (SEMLI), Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
- Emeritus Professor of Sport and Exercise Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
- International Olympic Committee (IOC) Research Centre, Pretoria, South Africa
| | - Esme Jordaan
- Biostatistics Research Unit, Medical Research Council, Cape Town, South Africa
- Statistics and Population Studies Department, University of the Western Cape, Cape Town, South Africa
| | - Pieter Boer
- Section Sports Medicine, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
- Department of Human Movement Science, Cape Peninsula University of Technology, Wellington, South Africa
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Stylemans D, Vandecruys M, Leunis S, Engelborghs S, Gargioli D, Monbaliu D, Cornelissen V, Van Craenenbroeck AH, De Smet S. Physical Exercise After Solid Organ Transplantation: A Cautionary Tale. Transpl Int 2024; 37:12448. [PMID: 38414660 PMCID: PMC10898592 DOI: 10.3389/ti.2024.12448] [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] [Received: 11/20/2023] [Accepted: 02/02/2024] [Indexed: 02/29/2024]
Abstract
An increasing body of randomized controlled trials suggests the safety of engaging in moderate to vigorous intensity exercise training following solid organ transplantation. Fueled by emerging sport events designed for transplant recipients and the ever-growing body of research highlighting the diverse health benefits of physical activity, transplant recipients are now increasingly participating in strenuous and occasionally competitive physical endeavors that largely surpass those evaluated in controlled research settings. This viewpoint article adopts a cautionary stance to counterbalance the prevalent one-sided optimistic perspective regarding posttransplant physical activity. While discussing methodological limitations, we explore plausible adverse impacts on the cardiovascular, immunological, and musculoskeletal systems. We also examine the physiological consequences of exercising in the heat, at high altitude, and in areas with high air pollution. Risks associated with employing performance-enhancing strategies and the conceivable psychological implications regarding physical activity as a tribute to the 'gift of life' are discussed. With a deliberate focus on the potential adverse outcomes of strenuous posttransplant physical activity, this viewpoint aims to restore a balanced dialogue on our comprehension of both beneficial and potentially detrimental outcomes of physical activity that ultimately underscores the imperative of well-informed decision-making and tailored exercise regimens in the realm of posttransplant care.
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Affiliation(s)
- Dimitri Stylemans
- Department of Respiratory Diseases, Pulmonary Rehabilitation, University Hospitals Leuven, Leuven, Belgium
| | - Marieke Vandecruys
- Nephrology and Renal Transplantation Research Group, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Sofie Leunis
- Laboratory of Abdominal Transplantation, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Sofie Engelborghs
- Exercise Physiology Research Group, Department of Movement Sciences, KU Leuven, Leuven, Belgium
| | - Davide Gargioli
- Exercise Physiology Research Group, Department of Movement Sciences, KU Leuven, Leuven, Belgium
| | - Diethard Monbaliu
- Laboratory of Abdominal Transplantation, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
- Department of Abdominal Transplant Surgery, University Hospitals Leuven, Leuven, Belgium
- Transplantoux Foundation, Leuven, Belgium
| | - Véronique Cornelissen
- Research Group for Rehabilitation in Internal Disorders, Department of Rehabilitation Sciences, KU Leuven, Leuven, Belgium
| | - Amaryllis H. Van Craenenbroeck
- Nephrology and Renal Transplantation Research Group, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
- Department of Nephrology and Kidney Transplantation, University Hospitals Leuven, Leuven, Belgium
| | - Stefan De Smet
- Exercise Physiology Research Group, Department of Movement Sciences, KU Leuven, Leuven, Belgium
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du Toit F, Schwellnus M, Jordaan E, Swanevelder S, Wood P. Clinical characteristics of gradual onset injuries in recreational road cyclists - SAFER XXVII study over 5 years in 62758 race entrants. PHYSICIAN SPORTSMED 2023; 51:564-571. [PMID: 36281474 DOI: 10.1080/00913847.2022.2136984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 10/10/2022] [Indexed: 10/31/2022]
Abstract
OBJECTIVE Gradual onset injuries (GOIs) in recreational cyclists are common but not well described. The aim of this study is to describe the clinical characteristics of GOIs (main anatomical regions, specific anatomical sites, specific GOIs, tissue type, severity of GOIs, and treatment modalities) of GOIs among entrants participating in a community-based mass participation-cycling event over 5 years. METHODS During the 2016-2020 Cape Town Cycle Tour, 62,758 consenting race entrants completed an online pre-race medical screening questionnaire. 1879 reported GOIs in the previous 12 months. In this descriptive epidemiological study, we report frequency (% entrants) of GOIs by anatomical region/sites, specific GOI, tissue type, GOI severity, and treatment modalities used. RESULTS The main anatomical regions affected by GOIs were lower limb (47.4%), upper limb (20.1%), hip/groin/pelvis (10.0%), and lower back (7.8%). Specifically, GOI were common in the knee (32.1%), shoulder (10.6%), lower back (7.8%) and the hip/buttock muscles (5.2%). The most common specific GOI was anterior knee pain (17.2%). 57.0% of GOIs were in soft tissue. Almost half (43.9%) of cyclists with a GOI reported symptom duration >12 months, and 40.3% of GOIs were severe enough to reduce/prevent cycling. Main treatment modalities used for GOIs were rest (45.9%), physiotherapy (43.0%), stretches (33.2%), and strength exercises (33.1%). CONCLUSION In recreational cyclists, >50% of GOIs affect the knees, shoulders, hip/buttock muscles and lower back, and 40% are severe enough to reduce/prevent cycling. Almost 45% of cyclists with GOIs in the lower back; or hip/groin/pelvis; or lower limbs; or upper limb reported a symptom duration of >12 months. Risk factors associated with GOIs need to be determined and preventative programs for GOIs need to be designed, implemented, and evaluated.
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Affiliation(s)
- François du Toit
- Division of Biokinetics and Sports Science, Department of Physiology, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
- Sport, Exercise Medicine and Lifestyle Institute (SEMLI), Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
| | - Martin Schwellnus
- Sport, Exercise Medicine and Lifestyle Institute (SEMLI), Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
- International Olympic Committee (IOC) Research Centre, Pretoria, South Africa
| | - Esme Jordaan
- Biostatistics Unit, South African Medical Research Council, Cape Town, South Africa
- Statistics and Population Studies Department, University of the Western Cape, Cape Town, South Africa
| | - Sonja Swanevelder
- Biostatistics Unit, South African Medical Research Council, Cape Town, South Africa
| | - Paola Wood
- Division of Biokinetics and Sports Science, Department of Physiology, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
- Sport, Exercise Medicine and Lifestyle Institute (SEMLI), Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
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4
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Leyk D, Rüther T, Hartmann N, Vits E, Staudt M, Hoffmann MA. Analgesic Use in Sports. DEUTSCHES ARZTEBLATT INTERNATIONAL 2023; 120:155-161. [PMID: 36655316 PMCID: PMC10201949 DOI: 10.3238/arztebl.m2023.0003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 04/25/2022] [Accepted: 01/04/2023] [Indexed: 01/20/2023]
Abstract
BACKGROUND Consumption of medication to alleviate pain is widespread in Germany. Around 1.9 million men and women take analgesics every day; some 1.6 million persons are addicted to painkillers. Analgesic use is thought also to be common in sports, even in the absence of pain. The aim of this study was to assess the extent of painkiller use among athletes. METHODS In line with the PRISMA criteria and the modified PICO(S) criteria, a systematic literature review was registered (Openscienceframework, https://doi. org/10.17605/OSF.IO/VQ94D) and carried out in PubMed and SURF. The publications identified (25 survey studies, 12 analyses of doping control forms, 18 reviews) were evaluated in standardized manner using the Newcastle Ottawa Scale (NOS) and AMSTAR (A MeaSurement Tool to Assess systematic Reviews). RESULTS Analgesic use is widespread in elite sports. The prevalence varies between 2.8% (professional tennis) and 54.2% (professional soccer). Pain medication is also taken prophylactically in the absence of symptoms in some non-elite competitive sports. In the heterogeneous field of amateur sports the data are sparse and there is no reliable evidence of wide-reaching consumption of painkillers. Among endurance athletes, 2.1% of over 50 000 persons stated that they used analgesics at least once each month in connection with sports. CONCLUSION Analgesic use has become a problem in many areas of professional/ competitive sports, while the consumption of pain medication apparently remains rare in amateur sports. In view of the increasing harmful use of or even addiction to painkillers in society as a whole, there is a need for better education and, above all, restrictions on advertising.
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Affiliation(s)
- Dieter Leyk
- German Sport University Cologne, Research Group Epidemiology of Performance, Cologne; University of Koblenz; Bundeswehr Institute for Preventive Medicine, Division A Applied Health Promotion, Andernach; Bundeswehrzentralkrankenhaus Koblenz, Department of Anesthesiology and Intensive Care, Koblenz; University Medical Center of the Johannes Gutenberg University Mainz
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Brill S, Schwellnus M, Sewry N, Janse Van Rensburg DC, Jansen Van Rensburg A, Jooste M, Leppan J, Boulter J, Seocharan I, Jordaan E. Pre-race self-reported medical conditions and allergies in 133 641 Comrades ultramarathon (90km) runners - SAFER XXIII. PHYSICIAN SPORTSMED 2023; 51:88-95. [PMID: 34751596 DOI: 10.1080/00913847.2021.2004080] [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] [Indexed: 01/25/2023]
Abstract
OBJECTIVES To determine the prevalence of self-reported pre-race chronic medical conditions and allergies in ultramarathon race entrants and to explore if these are associated with an increased risk of race-day medical encounters (MEs). METHODS Data from two voluntary open-ended pre-race medical screening questions (Q1 - history of allergies; Q2 - history of chronic medical conditions/prescription medication use) were collected in 133641 Comrades Marathon race entrants (2014-2019). Race-day ME data collected prospectively over 6 years are reported as incidence (per 1000 starters) and incidence ratios (IR: 95%CI's). RESULTS Pre-race medical screening questions identified race entrants with a history of chronic medical conditions and/or prescription medication use (6.9%) and allergies (7.4%). The % entrants with risk factors for cardiovascular disease (CVD) was 30% and being older (>45 years) or male (27.5%) were the most frequent CVD risk factors. 0.3% of entrants reported existing CVD. The overall incidence of MEs was 20/1000 race starters. MEs were significantly higher in race entrants reporting a 'yes' to Q1 (allergies) (IR = 1.3; 1.1-1.5) (p = 0.014) or Q2 (chronic medical conditions and/or prescription medication use) (IR = 1.3; 1.1-1.5) (p = 0.0006). CONCLUSIONS Voluntary completion of two open-ended questions identified chronic medical conditions and/or prescription medication use in 6.9% and allergies in 7.4% of ultramarathon race entrants. This is lower than that reported for other races that implemented compulsory completion of a more comprehensive pre-screening questionnaire. Despite potential under-reporting, a pre-race self-reported history of chronic medical conditions and allergies was associated with a higher risk of race-day MEs.
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Affiliation(s)
- Stephan Brill
- Sport, Exercise Medicine and Lifestyle Institute (SEMLI), Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa.,Section Sports Medicine, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
| | - Martin Schwellnus
- Sport, Exercise Medicine and Lifestyle Institute (SEMLI), Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa.,International Olympic Committee (IOC) Research Centre, Pretoria, South Africa
| | - Nicola Sewry
- Sport, Exercise Medicine and Lifestyle Institute (SEMLI), Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa.,International Olympic Committee (IOC) Research Centre, Pretoria, South Africa
| | - Dina Christa Janse Van Rensburg
- Sport, Exercise Medicine and Lifestyle Institute (SEMLI), Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa.,Section Sports Medicine, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
| | - Audrey Jansen Van Rensburg
- Sport, Exercise Medicine and Lifestyle Institute (SEMLI), Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa.,Section Sports Medicine, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
| | - Marcel Jooste
- Sport, Exercise Medicine and Lifestyle Institute (SEMLI), Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa.,Section Sports Medicine, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
| | - Jordan Leppan
- Sport, Exercise Medicine and Lifestyle Institute (SEMLI), Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa.,Section Sports Medicine, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
| | | | - Ishen Seocharan
- Biostatistics Unit, South African Medical Research Council, Cape Town, South Africa
| | - Esme Jordaan
- Biostatistics Unit, South African Medical Research Council, Cape Town, South Africa.,Statistics and Population Studies Department, University of the Western Cape, Cape Town, South Africa
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du Toit F, Schwellnus M, Jordaan E, Swanevelder S, Wood P. Factors associated with patellofemoral pain in recreational road cyclists: A cross-sectional study in 59953 cyclists - SAFER XXXIII. Phys Ther Sport 2023; 59:136-143. [PMID: 36535111 DOI: 10.1016/j.ptsp.2022.12.007] [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: 10/21/2022] [Revised: 12/07/2022] [Accepted: 12/08/2022] [Indexed: 12/14/2022]
Abstract
OBJECTIVE Patellofemoral pain (PFP) is a common cycling-related injury, and independent factors need to be identified to enable effective injury prevention strategies. We aim to determine factors associated with PFP in cyclists entering mass community-based events. DESIGN Cross-sectional study. SETTING 2016-2020 Cape Town Cycle Tour. PARTICIPANTS Consenting race entrants. MAIN OUTCOME MEASURES 62758 consenting race entrants completed a pre-race medical questionnaire, and 323 reported PFP. Selected factors associated with PFP (demographics, cycling experience and training, chronic disease history) were explored using multivariate analyses. RESULTS Prevalence ratio (PR) of PFP was similar for sex and age groups. Independent factors associated with PFP (adjusted for sex and age) were history of chronic disease [Composite Chronic Disease Score (0-10)(PR = 2.0, p < 0.0001) and any allergies (PR = 2.0, p < 0.0001)]. CONCLUSION A history of chronic diseases and allergies is associated with PFP in cyclists. Practical clinical recommendations are: 1) that prevention programs for PFP be considered when cycling is prescribed as a physical activity intervention for patients with chronic disease, and 2) that older cyclists presenting with PFP be assessed for the presence of risk factors or existing chronic disease.
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Affiliation(s)
- François du Toit
- Division of Biokinetics and Sports Science, Department of Physiology, Faculty of Health Sciences, University of Pretoria, South Africa; Sport, Exercise Medicine and Lifestyle Institute (SEMLI), Faculty of Health Sciences, University of Pretoria, South Africa
| | - Martin Schwellnus
- Sport, Exercise Medicine and Lifestyle Institute (SEMLI), Faculty of Health Sciences, University of Pretoria, South Africa; International Olympic Committee (IOC) Research Centre, South Africa.
| | - Esme Jordaan
- Biostatistics Unit, South African Medical Research Council, South Africa; Statistics and Population Studies Department, University of the Western Cape, South Africa
| | - Sonja Swanevelder
- Biostatistics Unit, South African Medical Research Council, South Africa
| | - Paola Wood
- Division of Biokinetics and Sports Science, Department of Physiology, Faculty of Health Sciences, University of Pretoria, South Africa; Sport, Exercise Medicine and Lifestyle Institute (SEMLI), Faculty of Health Sciences, University of Pretoria, South Africa
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7
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Chronic Disease, Allergies, and Increased Years of Running Are Risk Factors Predicting Gradual Onset Running-Related Injuries in Ultramarathon Runners-SAFER XIX Study in 29 585 Race Entrants. Clin J Sport Med 2022; 32:e422-e429. [PMID: 34117154 DOI: 10.1097/jsm.0000000000000949] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 04/16/2021] [Indexed: 02/02/2023]
Abstract
OBJECTIVES To identify risk factors that predict gradual onset running-related injuries (GORRIs) in ultramarathon runners entering a mass community-based event. DESIGN Descriptive cross-sectional study. SETTING Two Oceans 56 km ultramarathon 2012 to 2015. PARTICIPANTS Race entrants (n = 42 003) completed a compulsory pre-race medical history questionnaire; 29 585 (70.4%) of entrants consented. DEPENDENT/OUTCOME VARIABLE A history of GORRIs in the past 12 months among race entrants. MAIN OUTCOME MEASURES In a multi-variate model, runner demographics, training variables (years of recreational running, weekly running distance, training running speed), history of chronic disease (composite score), and history of allergies were included as factors predicting GORRIs. Prevalence (%) and prevalence ratios (PR, 95% CIs) are reported. RESULTS The lifetime prevalence of GORRIs in ultramarathon runners was 24.4%. Independent factors predicting GORRIs were: higher chronic disease composite score (PR = 2.05 times increase risk for every 2 additional chronic diseases; P < 0.0001), history of allergies (PR = 1.66; P < 0.0001), increased years of recreational running (PR = 1.07 times increased risk for every 5 year increase in running; P < 0.0001), lower average weekly running distance (PR = 0.98 times decreased risk for every 15 km increase weekly running distance; P < 0.0001), and slower average training running speed (PR = 0.96 times decreased risk for every km/h increase in training running speed; P < 0.0001). CONCLUSIONS Novel risk factors predicting GORRIs are increased number of chronic diseases and a history of allergies. These factors, together with training variables (years of recreational running, weekly running distance, and training running speed) can be targeted to develop and implement injury prevention, treatment, and rehabilitation interventions in ultramarathon runners.
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8
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Epidemiology, clinical characteristics and severity of gradual onset injuries in recreational road cyclists: A cross-sectional study in 21,824 cyclists - SAFER XIII. Phys Ther Sport 2020; 46:113-119. [DOI: 10.1016/j.ptsp.2020.08.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 08/06/2020] [Accepted: 08/10/2020] [Indexed: 11/17/2022]
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9
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History of chronic disease is a novel intrinsic risk factor associated with gradual onset injuries in recreational road cyclists: A cross-sectional study in 21,824 cyclists - SAFER XIV. Phys Ther Sport 2020; 46:137-144. [DOI: 10.1016/j.ptsp.2020.08.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 08/11/2020] [Accepted: 08/13/2020] [Indexed: 12/25/2022]
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10
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Semen KO, van der Doelen RHA, van der Lugt M, van Dam DGHA, Reimer J, Stassen FRM, Janssen L, Janssen PKC, Janssen MJW, Bast A, le Noble JLML. Non-steroidal anti-inflammatory drugs increase urinary neutrophil gelatinase-associated lipocalin in recreational runners. Scand J Med Sci Sports 2020; 30:1888-1895. [PMID: 32585737 PMCID: PMC7540343 DOI: 10.1111/sms.13755] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Revised: 10/18/2019] [Accepted: 06/16/2020] [Indexed: 12/22/2022]
Abstract
Objectives To study the effects of running with/without the use of pain killers on urinary neutrophil gelatinase‐associated lipocalin (uNGAL) and other parameters of kidney function in recreational runners. Methods Participants of the 10‐ and 21.1‐km Weir Venloop race were enrolled and their urine samples collected before and after the run. Urine dipstick and other conventional tests used to assess kidney function were performed. The presence of ibuprofen, diclofenac, naproxen, and/or paracetamol was assessed by LC‐MS/MS. uNGAL was measured with a two‐step chemiluminescent immunoassay. Results NSAIDs/analgesics were detected in urine of 5 (14.4%) 10‐km runners and 13 (28.9%) 21.1‐km runners. Only half‐marathon participants showed significant increases in uNGAL (pre: 11.7 [7.1‐34.3] ng/mL; post: 33.4 [17.4‐50.4] ng/mL; P = .0038). There was a significant effect of NSAID/analgesic use on uNGAL increase (F2, 76 = 4.210, P = .004). Post hoc tests revealed that uNGAL increased significantly in runners who tested positive for ibuprofen/naproxen compared to runners who did not use any medications (P = .045) or those who tested positive for paracetamol (P = .033). Running distance had a significant influence on the increase in uNGAL (F1, 53 = 4.741, P < .05), specific gravity (F1, 60 = 9.231, P < .01), urinary creatinine (F1, 61 = 10.574, P < .01), albumin (F1, 59 = 4.888, P < .05), and development of hematuria (χ2(4) = 18.44, P = .001). Conclusions Running distance and use of ibuprofen/naproxen were identified as risk factors for uNGAL increase in recreational runners.
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Affiliation(s)
| | - Rick H A van der Doelen
- Department of Clinical Chemistry, VieCuri Medical Center Noord-Limburg, Venlo, The Netherlands
| | - Monique van der Lugt
- Emergency Department, VieCuri Medical Center Noord-Limburg, Venlo, The Netherlands
| | - Davy G H A van Dam
- Department of Internal Medicine, VieCuri Medical Center Noord-Limburg, Venlo, The Netherlands
| | | | - Frank R M Stassen
- Department of Medical Microbiology, NUTRIM - School of Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, The Netherlands
| | - Loes Janssen
- Department of Epidemiology, VieCuri Medical Center Noord-Limburg, Venlo, The Netherlands
| | - Paddy K C Janssen
- Department of Clinical Pharmacy, VieCuri Medical Center Noord-Limburg, Venlo, The Netherlands.,Department of Clinical Pharmacy and Toxicology, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Marcel J W Janssen
- Department of Clinical Chemistry, VieCuri Medical Center Noord-Limburg, Venlo, The Netherlands
| | - Aalt Bast
- Campus Venlo, Maastricht University, Venlo, The Netherlands.,Department of Pharmacology and Toxicology, Maastricht University, Maastricht, The Netherlands
| | - Jos L M L le Noble
- Department of Pharmacology and Toxicology, Maastricht University, Maastricht, The Netherlands.,Department of Intensive Care, VieCuri Medical Center Noord-Limburg, Venlo, The Netherlands
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Semen KO, Weseler AR, Janssen MJW, Drittij-Reijnders MJ, le Noble JLML, Bast A. Effects of Monomeric and Oligomeric Flavanols on Kidney Function, Inflammation and Oxidative Stress in Runners: A Randomized Double-Blind Pilot Study. Nutrients 2020; 12:E1634. [PMID: 32492913 PMCID: PMC7353060 DOI: 10.3390/nu12061634] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 05/15/2020] [Accepted: 05/28/2020] [Indexed: 12/11/2022] Open
Abstract
Nonsteroidal anti-inflammatory drugs are frequently used by athletes in order to prevent musculoskeletal pain and improve performance. In combination with strenuous exercise, they can contribute to a reduction of renal blood flow and promote development of kidney damage. We aimed to investigate whether monomeric and oligomeric flavanols (MOF) could reduce the severity of kidney injuries associated with the intake of 400-mg ibuprofen followed by the completion of a half-marathon in recreational athletes. In this double-blind, randomized study, the original MOF blend of extracts from grape seeds (Vitis vinifera L.) and pine bark (Pinus pinaster L.) or placebo were taken for 14 days preceding the ibuprofen/half-marathon. Urine samples were collected before and after the ibuprofen/half-marathon, and biomarkers of kidney injury, inflammation and oxidative stress were assessed. Intake of MOF significantly reduced the incidence of post-race hematuria (p = 0.0004) and lowered concentrations of interleukin (IL)-6 in the urine (p = 0.032). Urinary neutrophil-associated lipocalin, creatine, albumin, IL-8 and malondialdehyde tended to decrease. The supplementation with MOF in recreational runners appears to safely preserve kidney function, reduce inflammation and promote antioxidant defense during strenuous exercise and intake of a single dose of ibuprofen.
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Affiliation(s)
- Khrystyna O. Semen
- Campus Venlo, Faculty of Science and Engineering, Maastricht University, 5911 BV Venlo, The Netherlands;
| | - Antje R. Weseler
- Department of Pharmacology and Toxicology, Faculty of Health, Medicine, and Life Sciences, Maastricht University, 6200 MD Maastricht, The Netherlands; (A.R.W.); (M.-J.D.-R.); (J.L.M.L.l.N.)
| | - Marcel J. W. Janssen
- Department of Clinical Chemistry and Haematology, VieCuri Medical Center Noord Limburg, 5912 BL Venlo, The Netherlands;
| | - Marie-José Drittij-Reijnders
- Department of Pharmacology and Toxicology, Faculty of Health, Medicine, and Life Sciences, Maastricht University, 6200 MD Maastricht, The Netherlands; (A.R.W.); (M.-J.D.-R.); (J.L.M.L.l.N.)
| | - Jos L. M. L. le Noble
- Department of Pharmacology and Toxicology, Faculty of Health, Medicine, and Life Sciences, Maastricht University, 6200 MD Maastricht, The Netherlands; (A.R.W.); (M.-J.D.-R.); (J.L.M.L.l.N.)
- Department of Intensive Care, VieCuri Medical Center Noord Limburg, 5912 BL Venlo, The Netherlands
| | - Aalt Bast
- Campus Venlo, Faculty of Science and Engineering, Maastricht University, 5911 BV Venlo, The Netherlands;
- Department of Pharmacology and Toxicology, Faculty of Health, Medicine, and Life Sciences, Maastricht University, 6200 MD Maastricht, The Netherlands; (A.R.W.); (M.-J.D.-R.); (J.L.M.L.l.N.)
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