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Title: Spine


Full Journal Title: Spine

ISO Abbreviated Title: Spine

JCR Abbreviated Title: Spine

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: Impact Factor

? Walsh, E.F. and Weinstein, J.N. (1998), Spine: Scientific citation index and its impact factor. Spine, 23 (10), 1087-1090.

Full Text: 1998\Spine23, 1087.pdf

Keywords: Citation, Impact, Impact Factor, Index

? Roach, J.W., Skaggs, D.L., Sponseller, P.D. and MacLeod, L.M. (2008), Is research presented at the Scoliosis Research Society annual meeting influenced by industry funding? Spine, 33 (20), 2208-2212.

Full Text: 2008\Spine33, 2208.pdf

Abstract: Study Design. All abstracts submitted to the 2006 SRS annual meeting were reviewed. Objective. To determine the rate of funding in abstracts submitted for presentation at the 2006 Annual Scoliosis Research Society (SRS) meeting and whether funding produced bias toward a positive outcome. Summary of Background Data. Financial conflicts of interest have been attributed to bias in research. Methods. Three members the SRS Program Committee reviewed 610 abstracts submitted for presentation at the 2006 annual meeting. The committee’s average grade was correlated with type of funding (industry, professional society, university); abstract conclusions (favorable, unfavorable, or only descriptive); and subject category [adolescent idiopathic scoliosis (AIS), motion preservation, etc.]. Results. Of the 610 submitted articles, 72% (n = 440) were unfunded. Of the 170 funded articles, 140 were supported by industry, 7 by government agency, 8 by professional societies, 4 by universities, and 11 by private foundations. There was no statistically significant difference between the reviewers’ grades of funded versus unfunded articles (P = 0.39). Comparing AIS articles to all the other categories, the number of funded articles were significantly greater only in motion preservation (P < 0.001) and genetics (P = 0.039). When a consultant/employee relationship was present, there was a significant difference in the proportion of funded articles and favorable findings (P = 0.048). Conclusion. The higher percentage of funded articles in motion preservation and genetics compared to AIS articles could reflect a bias in those 2 areas. However, although there were more funded articles in those 2 areas there were not more funded, favorable articles (motion preservation P = 0.059, and genetics P = 0.3). Thus, certain categories attracted more funding than others but there was not a bias toward favorable findings within the funded articles unless the funding was due to a consultant/employee relationship.

Keywords: Association, Author, Bias, Clinical Investigators, Conflict of Interest, Conflict-of-Interest, Funding, Industry, Interest, Issues, Methods, Orthopedic Research, Professional, Research, Research Support, Spine, Subject Category, University

? Street, J., Berven, S., Fisher, C. and Ryken, T. (2009), Health related quality of life assessment in metastatic disease of the spine a systematic review. Spine, 34, S128-S134.

Full Text: 2009\Spine34, S128.pdf

Abstract: Study Design. Systematic literature review. Objectives. To examine the available literature on health related quality of life (HRQOL) assessment in metastatic disease of the spine and identify the optimal functional outcome scales to be used in developing a disease-specific tool. Summary of Background Data. There is a lack of consensus in the use of HRQOL measures in patients with metastatic spine disease. Methods. A systematic review was conducted using MEDLINE, EMBASE, the Science Citation Index (ISI), the Cumulative Index to Nursing and Allied Health Literature, the PsycINFO, the Allied and Complementary Medicine (AMED), Cochrane Reviews and Global Health databases for clinical studies addressing metastatic spine disease from 1966 through 2008. The validity of outcome tools was established by linkage analysis with the International Classification of Functioning Disability and Health (ICF). Results. One hundred forty-one clinical studies met inclusion criteria including 10,347 patients. Only 5 moderate grade and 1 high grade study were identified. Thirty-four studies used a patient self-assessment instrument to assess health status. None of the instruments were validated for metastatic spine patients. The most commonly used Pi-by-no tools were SF-36, SIP 5, and the ADL. None of the studies defined health related quality of life (HRQOL) or justified the choice of instrument. The most commonly used cancer-specific tools were ECOG, EORTC QCQ-C30, and EUROQOL 5D. Based on frequency of citation and on correlation with the International Classification of Functioning Disability and Health, the ECOG and SF36 were judged as most valid and reliable. Conclusion. A systematic review of the available evidence suggests that valid and reliable health related quality of life measures exist for the assessment of oncology patients, however, a disease-specific tool for metastatic spine disease awaits development. Until such time as a disease-specific tool is available, we recommend that the ECOG and SF-36 be considered for use in studies addressing the outcome assessment of patients with metastatic spine disease.

Keywords: Assessment, Balloon Kyphoplasty, Citation, Classification, Clinical-Experience, Cord Compression, Correlation, Criteria, Databases, Design, Development, Disability, EN-BLOC Spondylectomy, EORTC QLQ-C30, Health, Health Related Quality of Life, Health Status, Instruments, International, Isi, Literature, Literature Review, Lumbar Spine, Lung-Cancer, Medline, Metastatic Disease, Oncology, Review, Science, Science Citation Index, Self-Assessment, Surgical-Management, Systematic Literature Review, Systematic Review, Tools, Tumors, Validation, Validity


Title: Sports Medicine


Full Journal Title: Sports Medicine

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: Impact Factor

? Gissane, C., Jennings, D., Kerr, K. and White, J.A. (2002), A pooled data analysis of injury incidence in rugby league football. Sports Medicine, 32 (3), 211-216.

Full Text: 2002\Spo Med32, 211.pdf

Abstract: Objective: The aim of this study was to summarise the injury rates in professional rugby league football. Methods: Previously published studies were identified from database searches of the literature from MEDLINE, Sports Discus and Web of Science. A total of 18 articles. which reported the prospective injury data collection for at least one playing season in professional rugby league worldwide, were included. The definition of injury adopted required an injured player to miss the subsequent game through injury. Ten studies satisfied the injury definition criteria for inclusion. A review of articles and extraction of relevant data were carried out independently by two authors. Results: A total of 517 injuries were reported during 12 819 hours of exposure (753 games), which resulted in an overall injury rate of 40.3 injuries per 1000 hours [95% confidence interval (CI) 36.9 to 43.8]. Most injuries were to the lower half of the body (20.7 per 1000 hours, 95% CI 17.7 to 24), with the trunk receiving the least (6.7 per 1000 hours, 95% CI 5 to 8.6). Conclusions: Injury rates in professional rugby league are higher than in some other contact sports, probably because of the large number of physical collisions that take place. This pooled data analysis provides more accurate estimates of injury incidence in the game of professional rugby league football.

Keywords: Analysis, Authors, Club, Data Collection, Exposure, Games, Incidence, Injury, Literature, Methods, Professional, Review, Science, Sports, Web of Science

? Martyn-St James, M. and Carroll, S. (2006), Progressive high-intensity resistance training and bone mineral density changes among premenopausal women - Evidence of discordant site-specific skeletal effects. Sports Medicine, 36 (8), 683-704.



Full Text: 2006\Spo Med36, 683.pdf

Abstract: Regular weight-bearing physical activity has been widely recommended for adult women and may be beneficial in preserving bone mineral density (BMD). However, there is conflicting evidence regarding the effects of resistance training on BMD in premenopausal women. Novel systematic review and meta-analysis evidence is presented on the effects of progressive high-intensity resistance training on BMD in premenopausal women. Structured computer searches of MEDLINE, EMBASE, PUBMED, Web of Science, SportDiscus and Evidence Based Medicine Reviews Multifile were undertaken along With hand-searching of key journals and reference lists to locate relevant studies published up to September 2004. Criteria for included studies were published controlled studies and randomised controlled trials (RCTs) evaluating the effects of progressive, high-intensity resistance training studies on BMD in premenopausal women. Two authors reached consensus on all included and excluded studies. Study outcomes for analysis were radiographic BMD assessment from first follow-up at lumbar spine and femoral neck. Primary outcomes for analysis were absolute changes in BMD g/cm(2) at lumbar spine and femoral neck. Relative changes (percentage change) in BMD at lumbar spine were also assessed. Data were extracted from studies including study design, participant characteristics and treatment mode, intensity and duration, using electronic data extraction forms. Where necessary, relevant information was obtained by contacting study authors. Methodological quality of studies was assessed using a well recognised three-question instrument designed to assess bias. Informal assessment for small sample study effects and potential bias was undertaken through visual inspection of funnel plots. The weighted mean difference method (inverse of the variances) was used for combining study group estimates. Quantification of the effect of heterogeneity among study outcomes was assessed using the 12 statistic. Random effects and fixed-effect models were applied according to observed study heterogeneity. Comparisons resulting in I-2 > 50.0% were considered heterogeneous. Where heterogeneity was observed, a random effects model was applied. Pooled estimates of effect were calculated using the Cochrane Collaboration’s Review Manager (RevMan) 4.2.1 software. High-intensity progressive resistance training was shown to be efficacious in increasing absolute BMD at the lumbar spine (p < 0.00001) but not the femoral neck (p = 0.78) in premenopausal women. The weighted mean difference (WMD) using a fixed-effect model for six controlled trials investigating the lumbar spine BMD change was 0.014 g/cm(2) (95% CI 0.009, 0.019; p < 0.00001). The relative BMD change for this site was 0.98% (WMD [random effects], 95% CI 0.49, 3.91%; p = 0.04). In contrast, studies evaluating femoral neck BMD changes showed no significant BMD change (WMD [fixed effect], 0.001 g/cm(2) 95% CI -0.006, 0.008; p = 0.78). Funnel plot inspection of lumbar spine effects indicated that smaller studies demonstrated larger treatment effects. An asymmetry towards studies with positive BMD outcomes was also noted. The methodological quality score of all included studies was low and no study presented a valid intention-to-treat accounting for participant drop-out (attrition). As such, the modest overall treatment effects for resistance training on BMD among premenopausal women observed in this review may be biased and should be interpreted with caution. It is concluded that further RCTs of resistance training of sufficiently long duration and providing optimum type, intensity and volume of loading, with intention-to-treat analysis are now required.

Keywords: Adult, Analysis, Assessment, Authors, Bias, Body Bone, Bone, Bone Mineral Density, Clinical-Trials, Cochrane, Computer, Consort Statement, Controlled Studies, Design, Discordant, Embase, Follow-up, Hip Fracture, Information, Journals, Medline, Meta-Analysis, Model, Outcomes, Physical Activity, Physical-Activity, Postmenopausal Women, Primary, Pubmed, Randomized Controlled-Trials, Resistance, Resistance Training, Review, Science, Software, Spine, Systematic, Systematic Review, Systematic Reviews, Training, Treatment, Web of Science, Women, X-Ray Absorptiometry, Young-Women

? Muaidi, Q.I., Nicholson, L.L., Refshauge, K.M., Herbert, R.D. and Maher, C.G. (2007), Prognosis of conservatively managed anterior Cruciate ligament injury - A systematic review. Sports Medicine, 37 (8), 703-716.

Full Text: 2007\Spo Med37, 703.pdf

Abstract: Anterior cruciate ligament (ACL) rupture is a common sporting injury, often managed surgically with patella-tendon or hamstrings-gracilis autograft. Some people who sustain the injury, request information about their prognosis if they choose to forgo surgery and opt for conservative management. Numerous studies provide data on the prognosis of conservatively managed ACL injuries. These studies have not been systematically reviewed. Thus, the aims of this systematic review are to describe the natural history and clinical course of function and proprioception in the conservatively managed ACL-deficient knee, and to identify prognostic factors. We searched MEDLINE, CINAHL, EMBASE, SportDiscus, PEDro and the Cochrane Central Register of Clinical Trials without language restrictions from the earliest record available up to July 2006. We also searched the Science Citation Index, and iteratively searched bibliographies for prospective studies of outcomes (> 6 months follow-up) of conservatively managed complete ACL tears. Six criteria were used to assess the methodological quality of included studies. The main outcome measures were self-reported measures of knee function, activity level, performance in functional tasks and knee proprioception. Fifteen studies of variable methodological quality were included in the review. On average, patients with mixed or isolated ACL-deficient knees reported good knee function (87/100 Lysholm knee scale) at follow-up duration of 12-66 months. On average, functional performance assessed with the hop-for-distance test, was in the normal range. From pre-injury to follow-up there was a reduction in Tegner activity level of 21.3%. According to the methods used in the assessed studies, conservatively managed ACL-deficient knees have a good short- to mid-term prognosis in terms of self-reported knee function and functional performance. However, subjects reduced their activity levels on average by 21% following injury.

Keywords: Acute Rupture, Bibliographies, Citation, Clinical-Trials, Criteria, Cruciate Ligament, Deficient Knees, Functional Disability, History, Knee Scoring Questionnaires, Language, Management, Medline, Methods, Natural-History, Nonoperative Treatment, Outcomes, Prognosis, Quality Scores, Reduction, Review, Scale, Science, Science Citation Index, Surgery, Systematic Review, Term Follow-up, Treated Tears

? de Salles, B.F., Simao, R., Miranda, F., Novaes, J.D., Lemos, A. and Willardson, J.M. (2009), Rest interval between sets in strength training. Sports Medicine, 39 (9), 765-777.

Full Text: 2009\Spo Med39, 765.pdf



Abstract: Strength training has become one of the most popular physical activities for increasing characteristics such as absolute muscular strength, endurance, hypertrophy and muscular power. For efficient, safe and effective training, it is of utmost importance to understand the interaction among training variables, which might include the intensity, number of sets, rest interval between sets, exercise modality and velocity of muscle action. Research has indicated that the rest interval between sets is an important variable that affects both acute responses and chronic adaptations to resistance exercise programmes. The purpose of this review is to analyse and discuss the rest interval between sets for targeting specific training outcomes (e.g. absolute muscular strength, endurance, hypertrophy and muscular power). The Scielo, Science Citation Index, National Library of Medicine, MEDLINE, Scopus, Sport Discus and CINAHL databases were used to locate previous original scientific investigations. The 35 studies reviewed examined both acute responses and chronic adaptations, with rest interval length as the experimental variable. In terms of acute responses, a key finding was that when training with loads between 50% and 90% of one repetition maximum, 3-5 minutes’ rest between sets allowed for greater repetitions over multiple sets. Furthermore, in terms of chronic adaptations, resting 3-5 minutes between sets produced greater increases in absolute strength, due to higher intensities and volumes of training. Similarly, higher levels of muscular power were demonstrated over multiple sets with 3 or 5 minutes versus 1 minute of rest between sets. Conversely, some experiments have demonstrated that when testing maximal strength, 1-minute rest intervals might be sufficient between repeated attempts, however, from a psychological and physiological standpoint, the inclusion of 3- to 5-minute rest intervals might be safer and more reliable. When the training goal is muscular hypertrophy, the combination of moderate-intensity sets with short rest intervals of 30-60 seconds might be most effective due to greater acute levels of growth hormone during such workouts. Finally, the research on rest interval length in relation to chronic muscular endurance adaptations is less clear. Training with short rest intervals (e.g. 20 seconds to 1 minute) resulted in higher repetition velocities during repeated submaximal muscle actions and also greater total torque during a high-intensity cycle test. Both of these findings indirectly demonstrated the benefits of utilizing short rest intervals for gains in muscular endurance. In summary, the rest interval between sets is an important variable that should receive more attention in resistance exercise prescription. When prescribed appropriately with other important prescriptive variables (i.e. volume and intensity), the amount of rest between sets can influence the efficiency, safety and ultimate effectiveness of a strength training programme.

Keywords: Bench Press Performance, Citation, Databases, Endurance, Exercise, Heavy-Resistance Exercise, High-Intensity, Hormonal Responses, Length, Medline, Muscle, Muscular Adaptations, Outcomes, Protocols, Recovery, Research, Review, Science, Science Citation Index, Scopus

? Collins, N.J., Bisset, L.M., Crossley, K.M. and Vicenzino, B. (2012), Efficacy of nonsurgical interventions for anterior knee pain systematic review and meta-analysis of randomized trials. Sports Medicine, 42 (1), 31-49.

Full Text: 2012\Spo Med42, 31.pdf

Abstract: Anterior knee pain is a chronic condition that presents frequently to sports medicine clinics, and can have a long-term impact on participation in physical activity. Conceivably, effective early management may prevent chronicity and facilitate physical activity. Although a variety of nonsurgical interventions have been advocated, previous systematic reviews have consistently been unable to reach conclusions to support their use. Considering a decade has lapsed since publication of the most recent data in these reviews, it is timely to provide an updated synthesis of the literature to assist sports medicine practitioners in making informed, evidence-based decisions. A systematic review and meta-analysis was conducted to evaluate the evidence for nonsurgical interventions for anterior knee pain. A comprehensive search strategy was used to search MEDLINE, EMBASE, CINAHL (R) and Pre-CINAHL (R), PEDro, PubMed, SportDiscus (R), Web of Science (R), BIOSIS Previews (R), and the full Cochrane Library, while reference lists of included papers and previous systematic reviews were hand searched. Studies were eligible for inclusion if they were randomized clinical trials that used a measure of pain to evaluate at least one nonsurgical intervention over at least 2 weeks in participants with anterior knee pain. A modified version of the PEDro scale was used to rate methodological quality and risk of bias. Effect size calculation and meta-analyses were based on random effects models. Of 48 suitable studies, 27 studies with low-to-moderate risk of bias were included. There was minimal opportunity for meta-analysis because of heterogeneity of interventions, comparators and follow-up times. Meta-analysis of high-quality clinical trials supports the use of a 6-week multimodal physiotherapy programme (standardized mean difference [SMD] 1.08, 95% CI -0.73, 1.43), but does not support the addition of electromyography biofeedback to an exercise programme in the short-term (4 weeks: SMD -0.21, 95% CI -0.64, 0.21; 8-12 weeks: SMD -0.22, 95% CI 0.65, 0.20). Individual study data showed beneficial effects for foot orthoses with and without multimodal physiotherapy (vs flat inserts), exercise (vs control), closed chain exercises (vs open chain exercises), patella taping in conjunction with exercise (vs exercise alone) and acupuncture (vs control). Findings suggest that, in implementing evidence-based practice for the nonsurgical management of anterior knee pain, sports medicine practitioners should prescribe local, proximal and distal components of multimodal physiotherapy in the first instance for suitable patients, and then consider foot orthoses or acupuncture as required.

Keywords: Bias, Chondromalacia Patellae, Chronic Condition, Clinical Trials, Clinical-Trials, Cochrane, Control, Efficacy, Electric Muscle Stimulation, Embase, Evidence-Based Practice, Exercise, Exercises, Follow-Up, Foot Orthoses, Hand, Impact, Injuries, Intervention, Interventions, Kinetic Chain Exercises, Knee, Literature, Management, Medicine, Medline, Meta Analysis, Meta-Analysis, Modified, Orthoses, Pain, Papers, Participation, Patellofemoral Pain, Patients, Physical Activity, Physical Interventions, Practice, Publication, Pubmed, Quality, Randomized Clinical Trials, Review, Risk, Science, Sports, Strategy, Synthesis, Systematic, Systematic Review, Systematic Reviews, Therapy, Web of Science, Web-of-Science




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