Maarten H Moen's research while affiliated with OLVG and other places

Publications (82)

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Objective To prospectively evaluate 1-year clinical and radiological outcomes after operative and non-operative treatment of proximal hamstring tendon avulsions. Methods Patients with an MRI-confirmed proximal hamstring tendon avulsion were included. Operative or non-operative treatment was selected by a shared decision-making process. The primary...
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Importance Approximately 3.4% of adults have ankle (tibiotalar) osteoarthritis and, among younger patients, ankle osteoarthritis is more common than knee and hip osteoarthritis. Few effective nonsurgical interventions exist, but platelet-rich plasma (PRP) injections are widely used, with some evidence of efficacy in knee osteoarthritis. Objective...
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Objective Stem cell therapy is increasingly used for knee osteoarthritis (KOA). We aimed to review the evidence of autologous mesenchymal stem cell therapy on pain, function and severity on imaging in KOA. Design Systematic review of randomised controlled trials (RCTs). Eligibility criteria RCTs evaluating autologous mesenchymal stem cell (MSC) t...
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Objective: Our aim was to assess the effects of adding arch-support foot-orthoses (ASFO) to a multimodal therapeutic intervention on the perception of pain and improvement of recovery from medial tibial stress syndrome (MTSS) in recreational runners. Design: A prospective randomized controlled trial. Setting: Sport training and medical centers....
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Objectives Previous studies have shown low to moderate evidence for a variety of magnetic resonance imaging (MRI) features as prognostic factors in athletes with hamstring injuries. Short-tau inversion recovery (STIR) signal intensity has not yet been investigated for assessing the prognosis of acute muscle injuries. Our aim was to explore the rela...
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OBJECTIVES: The primary objectives of the study were to (i) establish the 12-month incidence and comorbidity of symptoms of mental health disorders (distress, anxiety/depression, sleep disturbance, alcohol misuse, disordered eating) among Dutch former elite athletes and (ii) explore the potential relationship with the stressors involuntary retireme...
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Objective: To estimate the incidence and recurrence rate of acute hamstring injuries in all levels of soccer. Design: Epidemiology systematic review. Literature search: We searched the PubMed (including Medline), CINAHL, SPORTDiscus, Embase and CENTRAL electronic databases. Study selection criteria: We included prospective studies of all levels...
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To assess the impact of lower-leg muscle activity during the stance phase of running on the development of medial tibial stress syndrome (MTSS), in 123 healthy participants (18.2 ± 0.8 years), dynamic and static foot posture, and soleus and tibialis anterior muscle activity during the stance phase of running were measured before a 17-week track- an...
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Background Clinical decision-making around intramuscular tendon injuries of the hamstrings is a controversial topic in sports medicine. For this injury, MRI at return to play (RTP) might improve RTP decision-making; however, no studies have investigated this. Objective Our objectives were to describe MRI characteristics at RTP, to evaluate healing...
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Background Stem cell therapy is an emerging treatment for tendon disorders. Purpose To systematically review the efficacy of stem cell therapy for patients with tendon disorders. Study Design Systematic review; Level of evidence, 4. Methods MEDLINE/PubMed, EMBASE, CINAHL, CENTRAL, PEDro, and SPORTDiscus; trial registers; and gray literature were...
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Background Despite reported injury rates of up to 3 per 1000 hours exposure, there are no evidence-based prevention programmes in tennis. Purpose To evaluate the effectiveness of an e-health prevention programme for reducing tennis injury prevalence. Study design Two-arm, researcher-blinded randomised controlled trial. Methods Adult tennis playe...
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Introduction Platelet-rich plasma (PRP) is a potentially efficacious treatment for ankle osteoarthritis (OA), but its use has not been examined in high-quality studies. Systematic reviews show that PRP injections significantly decrease pain and improve function in patients with knee OA. Ankle OA is more common than hip or knee OA in the young activ...
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Momenteel zijn er geen factoren bekend die geassocieerd zijn met een succesvolle uitkomst na een fasciotomie bij patiënten met het anterieure chronisch inspanningsgebonden compartimentsyndroom (CCS). Dit retrospectieve dossier-onderzoek werd uitgevoerd bij patiënten met anterieure CCS en een aanvullende vragenlijst werd afgenomen, waarbij het resul...
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Objective Medial tibial stress syndrome (MTSS) is a common lower extremity overuse injury often causing long-term reduction of sports participation. This study aimed to investigate the incidence and risk factors of MTSS in first-year Dutch Physical Education Teacher Education (PETE) students. Methods This prospective study consisted of physical me...
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The pathology of medial tibial stress syndrome (MTSS) is unknown. Studies suggest that MTSS is a bony overload injury, but histological evidence is sparse. The presence of microdamage, and its potential association with targeted remodeling, could provide evidence for the pathogenesis of MTSS. Understanding the pathology underlying MTSS could contri...
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The objective was to systematically review the literature on risk factors and prevention programs for musculoskeletal injuries among tennis players. PubmedMedline, Embase, CINAHL, Cochrane, SportDiscus were searched up to February 2017. Experts in clinical and epidemiological medicine were contacted to obtain additional studies. For risk factors, p...
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Background Acute hamstring injury that includes intramuscular tendon injury has been suggested to be associated with increased reinjury risk. These observations were based on a relatively small number of retrospectively analysed cases. Objective To determine whether intramuscular tendon injury is associated with higher reinjury rates in acute hams...
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Background Involvement of the intramuscular (central) tendon in acute hamstring injuries, as detected on magnetic resonance imaging (MRI), may prolong recovery times. To date, it is unclear whether hamstring injuries exhibiting intramuscular tendon involvement can be identified though routine clinical examinations that assess flexibility and streng...
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Treatment of total ruptures of adductor longus is challenging in professional sports. Time for return to pre-injury level as well as re-injury rates are of concern and surgical and conservative treatment approaches are debated; yet no consensus approach described for professional athletes. We present a case of a professional soccer player who exper...
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Objective: Scientific knowledge about symptoms of common mental disorders in elite sports is scarce. Consequently, the objectives of the study were to (i) establish the 12-month incidence of symptoms of common mental disorders (CMD; distress, anxiety/depression, sleep disturbance, adverse alcohol use, eating disorders) among Dutch elite athletes an...
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Background The current literature on the value of clinical evaluation for predicting time to return to sport (RTS) after acute hamstring injuries has not been systematically summarised. Objectives The aim of this study was to systematically review the literature on the prognostic value of clinical findings (patient history and physical examination)...
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Background A challenge for sports physicians is to estimate the risk of a hamstring re-injury, but the current evidence for MRI variables as a risk factor is unknown. Objective To systematically review the literature on the prognostic value of MRI findings at index injury and/or return to play for acute hamstring re-injuries. Data sources Databas...
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Objective Stem cell injection for knee osteoarthritis (KOA) is an emerging new therapy, and we aimed to review its evidence of efficacy. Design Systematic review. Eligibility criteria Criteria for eligibility were randomised controlled trials (RCTs) and non-RCT on the efficacy of stem cell injections in KOA. All references were checked for missed...
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Raphael Nadal had stem cells injected for back complaints in 2014 and the New York Jet’s Chris Johnson (NFL) received them to augment knee surgery. Kim Kardashian used stem cells to get her face optimally ready for her marriage. When extremely famous people are treated with stem cells, less famous people (also known as the ordinary people) start wa...
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ABSTRACT Background The majority of sporting injuries are clinically diagnosed using history and physical examination as the cornerstone. There are no studies supporting the reliability of making a clinical diagnosis of medial tibial stress syndrome (MTSS). Aim Our aim was to assess if MTSS can be diagnosed reliably, using history and physical exam...
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Introduction: Stem cells have emerged as a new treatment option for tendon disorders. We systematically reviewed the current evidence for stem cell therapy in tendon disorders. Methods: Randomised and non-randomised controlled trials, cohort studies and case series with a minimum of 5 cases were searched in MEDLINE, CENTRAL, EMBASE, CINAHL, PEDr...
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The aim of the study was to determine the prevalence and comorbidity of symptoms of common mental disorders (distress, anxiety/depression, sleep disturbance, eating disorders, adverse alcohol use) among current and former Dutch elite athletes, and to explore the inference between potential risk indicators (severe injury, surgery, life events, sport...
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Background: There is no valid and reliable instrument that evaluates injury severity and treatment effects for medial tibial stress syndrome (MTSS) patients. Objective: The aim was to generate items for the MTSS score, a new patient-reported outcome measure for patients with MTSS. Methods: The authors consulted experts in the field of MTSS to gener...
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Objectives Medial tibial stress syndrome (MTSS) is one of the most common sporting injuries. As of yet, the development of effective therapeutic interventions to treat MTSS is hindered by the fact that its pathology is unknown. Our aim was to explore the pathology of MTSS, by assessing whether the presence of MTSS is related to periosteal, bony or...
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Objective: To evaluate the effectiveness of a combined treatment of focused shockwave therapy (ESWT) and eccentric training compared with sham-shockwave therapy (placebo) and eccentric training in participants with patellar tendinopathy (PT) after 24 weeks. Design: Randomized controlled trial. Setting: Sports medicine departments of a universi...
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Study Design Cohort study, repeated measures. Background Although hamstring strength measurements are used for assessing prognosis and monitoring recovery after hamstring injury, their actual clinical relevance has not been established yet. Handheld dynamometry (HHD) is a commonly used method of measuring muscle strength. The reliability of HHD has...
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Background: Sleep hygiene is important for sleep quality and optimal performance during the day. However, it is not always possible to follow sleep hygiene requirements. In multiday relay events, athletes have to sleep immediately after physical exertion and sometimes against their biological clock. Objectives: In this pilot study we investigate...
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Background At present, there is no validated patient-reported outcome measure (PROM) for patients with medial tibial stress syndrome (MTSS). Aim Our aim was to select and validate previously generated items and create a valid, reliable and responsive PROM for patients with MTSS: the MTSS score. Methods A prospective cohort study was performed in...
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Abstract Background Our 2012 review on therapeutic interventions for acute hamstring injuries found a lack of high-quality studies. The publication of new studies warranted an update. Objectives To update and reanalyse the efficacy of conservative treatments for hamstring injury. Data sources PubMed, EMBASE, Web of Science, Cochrane library, CINAHL...
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Background: A pneumatic tourniquet is often used during total knee arthroplasty (TKA). However, tourniquet application is often associated with an increased incidence of adverse events and soft tissue damage due to high mechanical pressure. This could potentially result in delayed recovery. The aim of the present study was to evaluate the effect of...
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Platelet-rich plasma (PRP) injections are an experimental treatment for acute muscle injuries. We examined whether PRP injections would accelerate return to play after hamstring injury. The methods and the primary outcome measure were published in the New England Journal of Medicine (NEJM) as 'Platelet-rich plasma injections in acute muscle injury'...
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Connective tissue scar (fibrosis) is a common finding on magnetic resonance imaging (MRI) after recovery from acute hamstring injuries. Fibrosis has been suggested as a predisposing factor for reinjury, but evidence from clinical studies is lacking. The aim of this study was to examine the association between the presence of fibrosis on MRI at retu...
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The effectiveness of platelet-rich plasma (PRP) injections for osteoarthritis (OA) is still controversial. We investigated the effect of PRP injections in patients with knee OA based on decreasing pain, improving function, global assessment and changes regarding joint imaging. We performed a comprehensive, systematic literature search in computeris...
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Background Sports physicians are increasingly requested to perform magnetic resonance imaging (MRI) of acute hamstring muscle injuries and to provide a prognosis of the time to return to play (RTP) on the basis of their findings. Objectives To systematically review the literature on the prognostic value of MRI findings for time to RTP in acute h...
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Background Acute hamstring re-injuries are common and hard to predict. The aim of this study was to investigate the association between clinical and imaging findings and the occurrence of hamstring re-injuries. Methods We obtained baseline data (clinical and MRI findings) of athletes who sustained an acute hamstring injury within 5 days of initial...
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Background Previous studies on the prognostic value of clinical and MRI parameters for the time to return to play (TTRTP) in acute hamstring injuries showed only limited to moderate evidence for the various investigated parameters. Some studies had multiple methodological limitations, including retrospective designs and the use of univariate analys...
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In this randomized trial involving athletes with acute hamstring muscle injuries, injection of platelet-rich plasma did not result in shortening of the time until patients could resume their sports activity or in a reduction in reinjury rates, as compared with placebo.
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Study design: Systematic literature review. Objective: To summarize the evidence for physical therapist-guided quadriceps-strengthening exercises as a treatment for patellofemoral pain syndrome. Background: Although quadriceps strengthening is often included in the plan of care for patellofemoral pain syndrome, a systematic review published in...
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Injection therapies are widely used for muscle injuries. As there is only limited evidence of their efficacy, physicians should be aware of the potential harmful effects of these injected preparations. The purpose of this review was to systematically review the literature on the myotoxic effects of intramuscular injection preparations commonly used...
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Medial tibial stress syndrome (MTSS) is a common exercise-induced leg injury among athletes and military personnel. Several treatment options have been described in the literature, but it remains unclear which treatment is most effective. The objective of this systematic review was to assess the effectiveness of any intervention in the treatment of...
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Previous studies have shown that MRI of fresh hamstring injuries have diagnostic and prognostic value. The clinical relevance of MRI at return to play (RTP) has not been clarified yet. The aim of this study is to describe MRI findings of clinically recovered hamstring injuries in amateur, elite and professional athletes that were cleared for RTP. W...
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The aim of this systematic review was to determine which patient determinants and injury factors, before anterior cruciate ligament reconstruction by arthroscopic single-bundle techniques, affect postoperative rehabilitation. A search of PubMed, Embase, and the Cochrane Database of Clinical Trials was performed up to February 2013. After applicatio...
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Background. Medial tibial stress syndrome (MTSS) is the most common lower-leg injury in athletes, and is thought to be caused by bony overload. To prevent MTSS, both pathophysiological and aetiological factors specific to MTSS need to be identified. The intrinsic risk factors that contribute to the development of MTSS are still uncertain.Objective....
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Background. Medial tibial stress syndrome (MTSS) is the most common lower-leg injury in athletes, and is thought to be caused by bony overload. To prevent MTSS, both pathophysiological and aetiological factors specific to MTSS need to be identified. The intrinsic risk factors that contribute to the development of MTSS are still uncertain. Objective...
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Background: Hamstring flexibility measurements are of clinical relevance for the prognosis of hamstring injury and for monitoring recovery after such injury. The active knee extension test (AKET) and passive knee extension test (PKET) are proven to be reliable in healthy subjects. Reliability has not been determined in patients with acute hamstrin...
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Background: Arthroscopic surgery of the hip is being increasingly used to diagnose and treat various abnormalities, including acetabular labral tears. Magnetic resonance arthrography has been suggested as the imaging test of choice for the evaluation of the acetabular labrum. There is substantial variability in the previously reported accuracy of...
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In medial tibial stress syndrome (MTSS) bone marrow and periosteal edema of the tibia on the magnetic resonance imaging (MRI) is frequently reported. The relationship between these MRI findings and recovery has not been previously studied. This prospective study describes MRI findings of 52 athletes with MTSS. Baseline characteristics were recorded...
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The only three randomized trials on the treatment of MTSS were all performed in military populations. The treatment options investigated in this study were not previously examined in athletes. This study investigated if functional outcome of three common treatment options for medial tibial stress syndrome (MTSS) in athletes in a non-military settin...
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Despite the high rate of hamstring injuries, there is no consensus on their management, with a large number of different interventions being used. Recently several new injection therapies have been introduced. To systematically review the literature on the effectiveness of therapeutic interventions for acute hamstring injuries. The databases of Pub...
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The objective of the study was to examine the risk factors and prognostic indicators for medial tibial stress syndrome (MTSS). In total, 35 subjects were included in the study. For the risk factor analysis, the following parameters were investigated: hip internal and external ranges of motion, knee flexion and extension, dorsal and plantar ankle fl...
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Introduction: The aim of this study was to compare the maximal oxygen uptake (VO2max) and heart rate at anaerobic threshold (HR AT) between a soccer specific field test and a treadmill test. Materials and methods: in randomized order design, 9 soccer players underwent a soccer specific field test and a treadmill test. Stationary and mobile ergospir...
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Objective The purpose of this study was to describe the results of two treatment regimens for medial tibial stress syndrome (MTSS); a graded running programme and the same running programme with additional shockwave therapy (extracorporeal shockwave therapy; ESWT). Design A prospective observational controlled trial. Setting Two different sports me...
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This case report describes two athletes in which biphosphanates were started for medial tibial stress syndrome (MTSS). The treatment with biphosphanates has never been described for MTSS before. 70 and 77 days after initiation of the biphosphanates the athletes trained again at their preinjury level. Compared to the rehabilitation of MTSS described...