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The oral microbiome, with a unique emphasis on Porphyromonas gingivalis has been associated with a constellation of inflammatory diseases such as cardiovascular disease, rheumatoid arthritis, Alzheimer's disease, type II diabetes, and non-alcoholic associated fatty liver disease. Periodontal disease has also been shown to induce "leaky gut" leading to metabolic endotoxemia. Several recent studies investigating the habitants of the blood microbiome have found the majority of species appear to be derived from oral and skin bacterial communities in otherwise healthy individuals. Many of the same pathologies associated with perturbations of oral health, such as cardiovascular disease, show alterations to the composition of the blood microbiome as well as circulating neutrophil phenotypes. Gingival inflammation is associated with activated blood neutrophil phenotypes that can exacerbate a distal inflammatory insult which may explain the connection between oral and systemic inflammatory conditions. While in the oral cavity, neutrophils encounter oral microbes that are adept in manipulating neutrophil activity which can re-enter the vasculature thereafter. Endotoxin from oral microbes can differ significantly depending on bacterial community and state of oral health to alter cellular LPS tolerance mechanisms which may contribute to the primed neutrophil phenotype seen in periodontitis and provide a mechanism by which the oral-microbes can affect systemic health outcomes. This review synthesizes the studies between inflammatory diseases and oral health with emphasis on microbiome and corresponding lipopolysaccharides in immune tolerance and activation.
Younger patients who sustain anterior cruciate ligament (ACL) ruptures are at high risk for reinjury after ACL reconstruction. Restoring muscle strength before return to sports (RTS) is regarded as an important factor in reducing the reinjury risk, and quadriceps and hamstring strength assessment is commonly included in RTS testing. However, it is not clear whether reduced strength is a risk factor for subsequent graft rupture in this patient population.
To investigate the association between quadriceps and hamstring strength at 12 months after primary ACL reconstruction and ACL graft rupture in young patients.
Case-control study; Level of evidence, 3.
The cohort consisted of 210 patients (100 men and 110 women) who were younger than 20 years at the time of primary ACL reconstruction with a hamstring tendon autograft and who had no previous contralateral ACL injury. Isokinetic strength testing (60 and 180 deg/s) of knee flexors and extensors was performed at 12 months postoperatively, and the limb syms further investigation and clarification.
In young patients who underwent an ACL reconstruction, no association was noted between quadriceps and hamstring strength at 12 months postoperatively and subsequent graft ruptures. The role of strength testing as part of the RTS criteria after ACL reconstruction, and specifically the use of limb symmetry thresholds, warrants further investigation and clarification.
The coronavirus 2019 (COVID-19) pandemic resulted in the cancellation of the 2020 National Football League (NFL) preseason and a decreased preseason roster size. The effect of this disruption on athlete injury rates is unknown.
The purpose was to quantify the rates of anterior cruciate ligament (ACL), Achilles tendon, and hamstring tendon injuries in NFL players before and after the COVID-19 pandemic. We hypothesized that injury rates in the 2020 season would be higher than those seen prepandemic.
Descriptive epidemiology study. Level of evidence, 4.
An online search using publicly available data was carried out to identify all NFL players who sustained an ACL, Achilles tendon, or hamstring tendon injury between April 1, 2017, and March 31, 2021. Data collected included player characteristics as well as career and season of injury workloads.
The number of Achilles tendon (27 vs 20;
= .024) and hamstring tendon (186 vs 149;
< .001) injuries, respectively, in the 2020 NFL season were significuries remained constant compared with the 2017 to 2019 seasons. Injuries that occurred during the first 4 games of the 2020 NFL season were consistent, with higher rates of injuries seen in the preseason in previous years.
There is a paucity of literature comparing sex-based outcome differences in athletes after primary hip arthroscopy with labral reconstruction for femoroacetabular impingement syndrome (FAIS) and irreparable labral tears.
To report sex-based differences in clinical characteristics, patient-reported outcome (PRO) scores, and return-to-sports (RTS) rates in athlete who underwent primary hip arthroscopy with labral reconstruction.
Cohort study; Level of evidence, 3.
Data were reviewed for recreational, organized amateur, high school, collegiate, and professional athletes who underwent primary hip arthroscopy with labral reconstruction for FAIS and irreparable labral tears between July 2014 and May 2019. Inclusion criteria included preoperative and minimum 2-year postoperative PRO scores (modified Harris Hip Score, Non-Arthritic Hip Score, Hip Outcome Score-Sports Specific Subscale, International Hip Outcome Tool [iHOT-12], and visual analog scale [VAS] for pain). Exclusion criteria were Tönnis grade >1een the sexes.
Despite different clinical characteristics and surgical procedures, both female and male athletes undergoing primary hip arthroscopy with labral reconstruction had significant improvements in all PROs at the minimum 2-year follow-up, high RTS rates, and similar rates of achieving the minimal clinically important difference and patient acceptable symptom state.
Despite different clinical characteristics and surgical procedures, both female and male athletes undergoing primary hip arthroscopy with labral reconstruction had significant improvements in all PROs at the minimum 2-year follow-up, high RTS rates, and similar rates of achieving the minimal clinically important difference and patient acceptable symptom state.
Return to sports (RTS) and patient-reported outcomes (PROs) for elite athletes with femoral version abnormalities undergoing hip arthroscopy have not been well established.
To (1) report minimum 2-year PROs and RTS rates in elite athletes with femoral retroversion who underwent primary hip arthroscopy and (2) compare clinical results to those of a propensity-matched control group of elite athletes with normal femoral version who underwent primary hip arthroscopy.
Cohort study; Level of evidence, 3.
Data were prospectively collected and retrospectively reviewed for elite (professional and collegiate) athletes with femoral version <5°, as measured on magnetic resonance imaging scans, who underwent hip arthroscopy for femoroacetabular impingement syndrome between March 2010 and April 2018. Inclusion criteria were preoperative and minimum 2-year follow-up PROs for the modified Harris Hip Score, Nonarthritic Hip Score, Hip Outcome Score-Sports Specific Subscale (HOS-SSS), and visual analog scale for pai
Elite athletes with femoral retroversion undergoing primary hip arthroscopy demonstrated favorable PROs and high RTS rates at a minimum 2-year follow-up. These results were comparable with those of a propensity-matched control group of elite athletes with normal femoral version.
Elite athletes with femoral retroversion undergoing primary hip arthroscopy demonstrated favorable PROs and high RTS rates at a minimum 2-year follow-up. These results were comparable with those of a propensity-matched control group of elite athletes with normal femoral version.
Type 1 tibial spine fractures are nondisplaced or ≤2 mm-displaced fractures of the tibial eminence and anterior cruciate ligament (ACL) insertion that are traditionally managed nonoperatively with immobilization.
Type 1 fractures do not carry a significant risk of associated injuries and therefore do not require advanced imaging or additional interventions aside from immobilization.
Case series; Level of evidence, 4.
We reviewed 52 patients who were classified by their treating institution with type 1 tibial spine fractures. Patients aged ≤18 years with pretreatment plain radiographs and ≤ 1 year of follow-up were included. Pretreatment imaging was reviewed by 4 authors to assess classification agreement among the treating institutions. Patients were categorized into 2 groups to ensure that outcomes represented classic type 1 fracture patterns. Any patient with universal agreement among the 4 authors that the fracture did not appear consistent with a type 1 classification were assigned to the type 1+ nts in our cohort.
20%) were found to have concomitant injuries. Overall, surgical management was performed in 25% of patients in our cohort.
Traumatic ankle injuries are commonly complicated by persistent symptoms and the development of chronic ankle instability.
To describe the epidemiology of ankle injuries in the National Football League (NFL) and investigate the effects that ankle injuries have on performance metrics in the years after injury.
Descriptive epidemiologic study.
Ankle injuries sustained by NFL players during the 2015-2016, 2016-2017, and 2017-2018 seasons were identified using the Pro Football Reference database. Cumulative incidence was calculated, and demographic identifiers were collected for each injury. The return-to-play (RTP) rate was also recorded. For each player who met inclusion for the performance analysis, power rating (PR) was calculated for the preinjury season (Y-1) and 2 postinjury seasons (Y+1 and Y+2) as follows
= (
/10) + (
× 6) + (
s) + (
× 2) + (
× 2). Mean PRs were calculated for each season as well as the percentage change and mean difference in PR between Y-1 and Y+1 (ΔPR
%, ΔPR
) anduries hampered the performance of NFL players, even multiple years after the injury occurred, despite a relatively high RTP rate. There was a decrease in total games played after ankle injuries as well as a decreased performance output per game played.The first section of the new Behavior Analyst Certification Board's Ethics Code for Behavior Analysts (BACB, 2020) includes the expectation that behavior analysts will maintain competence by reading relevant literature. The purpose of the current study was to evaluate to what extent professional behavior analysts search for and access the behavior analytic literature. Selleckchem Taselisib A survey invitation was sent through the Behavior Analyst Certification Board and social media outlets at the end of 2020; 180 professionals responded. Roughly 80% of participants searched for research at least once per month. The top three online resources used were academic web search (72.7%), a university library subscription (65.6%), and the BACB research resource (65.6%). Forty-five percent of all participants indicated satisfaction with the research resources available to them. A series of independent samples t-test and analysis of variance (ANOVA) were conducted to determine group differences. Participants with doctorates searched more frequently and reported higher satisfaction and confidence across all tested domains. Participants using a university library reported more frequent literature searches, a higher skill level in conducting searches, more confidence in their ability to conduct a meaningful literature search, more satisfaction with the research resources available to them, and were more likely to report that the identified research would inform their practice.
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