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1.
Open Access J Sports Med ; 15: 19-28, 2024.
Article in English | MEDLINE | ID: mdl-38523629

ABSTRACT

Objective: Social distancing protocols due to the COVID-19 pandemic resulted in premature ending of athletic seasons and cancellation of upcoming seasons, placing significant stress on young athletes. Inability to play or forced early retirement has significant consequences on athlete's mental health, as demonstrated by an extensive body of injury literature. We hypothesize that premature suspension and cancellation of athletic events due to the COVID-19 pandemic leads to higher incidence of depressive symptoms among high-school and collegiate athletes. Further, athletes who strongly derive their sense of self-worth centered around athletics would have higher rates of depressive symptoms. Methods: High school and collegiate athletes were evaluated for depressive symptoms, emotional health and athletic identity measures through validated assessment instruments from May 2020 through July 2020. The Patient-Reported Outcomes Measurement Information System Depression Computer Adaptive Test (PROMIS-10 Depression CAT), Veterans RAND-12 (VR-12), which comprises both a physical and mental health component, and Athletic Identity Measurement Scale (AIMS) were utilized. Results: Mental health assessments were completed by 515 athletes (52.4% male, 47.6% female; .84.5% collegiate, 15.5% high school). Female athletes scored significantly worse than males on VR-12 mental health assessments, as well as PROMIS-10 Depression scores; however, males scored significantly lower than females on VR-12 physical health assessments, irrespective of education level. Athletes who had strong associations with athletics as central to their personal identity exhibited worse psychologic impact on VR-12 mental health and PROMIS-10 Depression measures and female athletes in this cohort reported greater depressive symptoms than males. Conclusion: Social distancing protocols due to the COVID-19 pandemic have limited athlete's ability to participate in sports at the training and competition level. Higher rates of depressive symptoms in high school and college athletes have resulted among female athletes and those who identify strongly as an athlete.

2.
Int J Sports Med ; 45(5): 382-389, 2024 May.
Article in English | MEDLINE | ID: mdl-38190979

ABSTRACT

Skiing and snowboarding are popular competitive and recreational sports that can be associated with significant injury. Previous studies of skiing and snowboarding injuries have been conducted, but studies evaluating injury types and patterns over long periods of time are needed to drive effective injury prevention efforts. We hypothesized that injury patterns would differ among snowboarders and skiers and that the number of injuries remained constant over time. This is a retrospective study of patients presenting with skiing or snowboarding injuries to the United States emergency departments from 2000 to 2019. A total of 34,720 injured skiers (48.0%) and snowboarders (52.0%) presented to US emergency departments over a 20-year period, representing an estimated 1,620,576 injuries nationwide. There is a decreasing trend of the number of injuries over the study period (p=0.012). Males represented the majority (65.7%) of injuries. Skiers were older than snowboarders (mean 30.1 vs. 20.0 years; p<0.001) and patients aged<18 represented more snowboarding (57.0%) than skiing (43.0%) injuries (p<0.001). Common diagnoses included fractures (33.0%) and sprains/strains (26.9%). Snowboarders primarily presented with upper extremity injuries, meanwhile, skiers primarily presented with lower extremity injuries. Most patients (93.2%), were treated and discharged from the emergency departments. Understanding the epidemiology of injuries presenting to emergency departments can help guide prehospital care and medical coverage allocation for resorts and event organizers, as well as identifying areas for targeted injury prevention efforts.


Subject(s)
Athletic Injuries , Emergency Service, Hospital , Skiing , Humans , Skiing/injuries , Male , Emergency Service, Hospital/statistics & numerical data , Female , Retrospective Studies , Adult , United States/epidemiology , Adolescent , Young Adult , Athletic Injuries/epidemiology , Middle Aged , Child , Fractures, Bone/epidemiology , Sprains and Strains/epidemiology , Aged
3.
Sports Health ; 15(6): 788-804, 2023.
Article in English | MEDLINE | ID: mdl-36988238

ABSTRACT

CONTEXT: The risk factors for anterior cruciate ligament (ACL) tear for athletes participating in pivoting sports includes young age and female sex. A previous meta-analysis has reported a reinjury rate of 15% after ACL reconstruction (ACLR) for athletes across all sports. To the best of the authors' knowledge, this is the first systematic review and meta-analysis of available literature reporting outcomes after ACLR in soccer players. OBJECTIVE: To review and aggregate soccer-specific outcomes data after ACLR found in current literature to help guide a more tailored discussion regarding expectations and prognosis for soccer players seeking operative management of ACL injuries. DATA SOURCES: A comprehensive search of publications was performed using PubMed, EMBASE, Cochrane Central Register of Controlled Trials, and SPORTDiscus databases. STUDY SELECTION: Inclusion criteria consisted of original studies, level of evidence 1 to 4, studies reporting clinical and patient-reported outcomes (PROs) after primary ACLR in soccer players at all follow-up length. STUDY DESIGN: The primary outcomes of interest were graft failure/reoperation rates, ACL injury in contralateral knee, return to soccer time, and PROs. LEVEL OF EVIDENCE: Level 4. DATA EXTRACTION: Search of literature yielded 32 studies for inclusion that involved 3112 soccer players after ACLR. RESULTS: The overall graft failure/reoperation rate ranged between 3.0% and 24.8% (mean follow-up range, 2.3-10 years) and the combined ACL graft failure and contralateral ACL injury rate after initial ACLR was 1.0% to 16.7% (mean follow-up range, 3-10 years); a subgroup analysis for female and male players revealed a secondary ACL injury incidence rate of 27%, 95% CI (22%, 32%) and 10%, 95% CI (6%, 15%), respectively. Soccer players were able to return to play between 6.1 and 11.1 months and the majority of PROs showed favorable scores at medium-term follow-up. CONCLUSION: Soccer players experience high ACL injury rates after primary ACLR and demonstrated similar reinjury rates as found in previous literature of athletes who participate in high-demand pivoting sports.


Subject(s)
Anterior Cruciate Ligament Injuries , Reinjuries , Soccer , Humans , Male , Female , Soccer/injuries , Anterior Cruciate Ligament Injuries/surgery , Anterior Cruciate Ligament Injuries/epidemiology , Knee Joint , Return to Sport
4.
Eur J Orthop Surg Traumatol ; 33(4): 1125-1131, 2023 May.
Article in English | MEDLINE | ID: mdl-35430691

ABSTRACT

PURPOSE: Despite the extensive use of PROs in ankle fracture research, no study has quantified which PROs are most commonly used for assessing outcomes of patients who sustain fractures of the posterior malleolus. The purpose of this study was therefore to quantify which PROs are most commonly used for outcome research after posterior malleolus fractures. METHODS: A systematic search was performed using the preferred reporting items for systematic reviews and meta-analyses guidelines. Articles were identified through Pubmed, EMBASE, Web of Science, and cochrane central register of controlled trials through May of 2021. Included articles were analyzed for the primary outcome of the most commonly reported PRO. RESULTS: The American orthopedic foot and ankle ankle-hindfoot score (AOFAS) was the most commonly used PRO for assessment of posterior malleolus fracture outcomes, used in 37 of 72 studies (51.4%). The second and third most common were the olerud-molander ankle score (OMAS) (22 studies, 30.6%) and the visual analogue score (VAS) (21 studies, 29.2%). Eleven different PROs were used only once. Quality of evidence was graded as low given the percentage of studies that were observational or case series (68 of 72 studies, 94.4%). CONCLUSION: Investigators have used many different PROs to assess outcomes for posterior malleolus fractures, the most common of which are the AOFAS, OMAS, and VAS. Future investigators should attempt to unify outcome reporting for these injuries.


Subject(s)
Ankle Fractures , Humans , Ankle Fractures/etiology , Fracture Fixation, Internal/adverse effects , Treatment Outcome , Ankle Joint , Tibia , Retrospective Studies
5.
J Clin Orthop Trauma ; 31: 101949, 2022 Aug.
Article in English | MEDLINE | ID: mdl-35874319

ABSTRACT

Background: The objective of this study was to compare inpatient mortality rates for patients with operatively treated closed femoral shaft fractures (AO/OTA 32 A-C) who received venous thromboembolism (VTE) prophylaxis with either low molecular weight heparin (LMWH) or unfractionated heparin. Methods: This was a retrospective cohort study of a national database of patients presenting to Level I through IV trauma centers in the United States. All patients ≥18 years of age who sustained an operatively treated closed femoral shaft fracture were included. The primary outcome of inpatient mortality was compared between two groups: those who received LMWH or unfractionated heparin for VTE prophylaxis. Secondary outcomes were complications including VTE and bleeding events. Groups were compared using a multivariate regression model. Results: There were 2058 patients included in the study. Patients who received VTE prophylaxis with LMWH had lower odds of inpatient mortality compared to patients who received VTE prophylaxis with unfractionated heparin (OR 0.19; 95% CI 0.05 to 0.68, p = 0.011). Conclusions: VTE prophylaxis with LMWH is associated with lower inpatient mortality compared to VTE prophylaxis with unfractionated heparin for patients undergoing operative treatment of closed femoral shaft fractures. To our knowledge this is the first study to report these associations for a specific subset of orthopedic trauma patients.

6.
Hand (N Y) ; 17(1_suppl): 87S-94S, 2022 12.
Article in English | MEDLINE | ID: mdl-35168382

ABSTRACT

Distal radius fractures are common orthopedic injuries. Treatment has varied historically, but volar locking plating currently predominates. Although flexor tendon injury is a well-studied complication of this operation, extensor tendon injury is less well studied. The purpose of this review is to search the literature and present the epidemiology, presentation, and treatment of this complication. The Cochrane, EMBASE, PubMed, and SCOPUS databases were searched for the terms "volar" + "radius" + ("plate" OR "plating") + "extensor." Ninety final studies were included for analysis in this review. The incidence of extensor tendon rupture varies from 0% to 12.5%; the extensor pollicis longus is most commonly ruptured. The presentation and management of extensor tendon injury after injury, intraoperatively, and postoperatively are summarized. Radiographic views are described to detect screw prominence and minimize intraoperative risk. Extensor tendon injury after volar locking plate for distal radius fractures is an uncommon injury with several risk factors including dorsal screw prominence and fracture fragments. Removal of hardware and tendon transfers or reconstruction may be necessary to prevent loss of extensor mechanism.


Subject(s)
Radius Fractures , Tendon Injuries , Wrist Fractures , Humans , Radius Fractures/diagnostic imaging , Radius Fractures/surgery , Radius Fractures/complications , Fracture Fixation, Internal/adverse effects , Tendon Injuries/diagnostic imaging , Tendon Injuries/etiology , Tendon Injuries/surgery , Rupture/etiology , Rupture/surgery , Tendons
7.
J Orthop Res ; 40(3): 541-552, 2022 03.
Article in English | MEDLINE | ID: mdl-35076097

ABSTRACT

Infection is a common cause of impaired fracture healing. In the clinical setting, definitive fracture treatment and infection are often treated separately and sequentially, by different clinical specialties. The ability to treat infection while promoting fracture healing will greatly reduce the cost, number of procedures, and patient morbidity associated with infected fractures. In order to develop new therapies, scientists and engineers must understand the clinical need, current standards of care, pathologic effects of infection on fractures, available preclinical models, and novel technologies. One of the main causes of poor fracture healing is infection; unfortunately, bone regeneration and infection research are typically approached independently and viewed as two separate disciplines. Here, we aim to bring these two groups together in an educational workshop to promote research into the basic and translational science that will address the clinical challenge of delayed fracture healing due to infection. Statement of clinical significance: Infection and nonunion are each feared outcomes in fracture care, and infection is a significant driver of nonunion. The impact of nonunions on patie[Q2]nt well-being is substantial. Outcome data suggests a long bone nonunion is as impactful on health-related quality of life measures as a diagnosis of type 1 diabetes and fracture-related infection has been shown to significantly l[Q3]ower a patient's quality of life for over 4 years.  Although they frequently are associated with one another, the treatment approaches for infections and nonunions are not always complimentary and cannot be performed simultaneously without accepting tradeoffs. Furthermore, different clinical specialties are often required to address the problem, the orthopedic surgeon treating the fracture and an infectious disease specialist addressing the sources of infection. A sequential approach that optimizes treatment parameters requires more time, more surgeries, and thus confers increased morbidity to the patient. The ability to solve fracture healing and infection clearance simultaneously in a contaminated defect would benefit both the patient and the health care system.


Subject(s)
Fractures, Bone , Fractures, Ununited , Orthopedics , Fracture Healing , Fractures, Bone/complications , Fractures, Bone/therapy , Fractures, Ununited/drug therapy , Humans , Quality of Life , Treatment Outcome
8.
Am J Sports Med ; 50(4): 1157-1165, 2022 03.
Article in English | MEDLINE | ID: mdl-34181472

ABSTRACT

BACKGROUND: Injury to the ulnar collateral ligament of the elbow is common among overhead throwing athletes and can result in significant functional limitations. While surgical reconstruction offers high rates of return to competition, there are no validated or universally accepted guidelines for determining when an athlete can safely resume play. PURPOSE: To assess the existing scientific literature for return-to-competition criteria utilized after ulnar collateral ligament reconstruction. STUDY DESIGN: Systematic review and meta-analysis; Level of evidence, 4. METHODS: The PubMed database was searched for clinical investigations of ulnar collateral ligament reconstruction in overhead throwing athletes published between January 2000 and June 2020. Only studies that had a minimum follow-up of 1 year and included at least 1 specific return-to-competition criterion were considered. RESULTS: A total of 15 studies were included in the final analysis, encompassing 1156 patients with an average age of 20.7 years (SD, 2.0 years). Baseball players composed 96.3% of patients for whom sport was specified, and 92.4% of baseball players were pitchers. The most common return-to-competition criterion, identified in 87% of studies, was completion of a return-to-throwing program, which started on average 16.7 weeks (range, 12-18 weeks) after surgery. A return-to-mound program was utilized in 53% of studies, starting on average 7.4 months (range, 6-9 months) postoperatively. Minimum time from surgery was used in 73% studies, with players waiting 7 to 12 months (mean, 9.7; SD, 1.4 months) after surgery before return-to-competition consideration. The overall rate of return to competition at the preinjury level or higher was 85.7% (SD, 8.5%) at an average of 12.2 months (SD, 0.6 months). CONCLUSION: In general, we observed a paucity of literature describing the return-to-competition process after ulnar collateral ligament reconstruction in overhead throwing athletes. Only 3 explicit return-to-competition criteria were identified across all studies: completion of a return-to-throwing program, completion of a return-to-mound program for pitchers, and minimum time from surgery. Increased transparency regarding postoperative rehabilitation protocols and further research are necessary to identify and validate sport-specific return-to-competition criteria, which will ultimately help athletes return to play in a safe and timely fashion after ulnar collateral ligament reconstruction.


Subject(s)
Baseball , Collateral Ligament, Ulnar , Collateral Ligaments , Elbow Injuries , Elbow Joint , Ulnar Collateral Ligament Reconstruction , Adult , Baseball/injuries , Collateral Ligament, Ulnar/injuries , Collateral Ligament, Ulnar/surgery , Collateral Ligaments/injuries , Collateral Ligaments/surgery , Elbow/surgery , Elbow Joint/surgery , Humans , Ulnar Collateral Ligament Reconstruction/methods , Young Adult
9.
Int Orthop ; 45(10): 2741-2749, 2021 10.
Article in English | MEDLINE | ID: mdl-34406432

ABSTRACT

Indian orthopedists have a legacy dating back more than 4000 years. Starting with the Harappan civilization, ancient orthopaedic surgeons reduced fractures and conducted therapeutic trepanations. Since then, Indian physicians have pioneered many of the orthopaedic techniques still used today - including the use of prosthetics, fracture tables, and rehabilitative physical therapy. Today, orthopaedic surgeons coexist with traditional Indian bonesetters. Although bonesetting practices can have complication rates as high as 40%, bonesetters still handle a majority of fractures in India and are often culturally preferred. Importantly though, bonesetters are often the only expedient option available in both rural and urban settings.


Subject(s)
Fractures, Bone , Orthopedic Procedures , Orthopedics , Fractures, Bone/epidemiology , Fractures, Bone/surgery , Humans , India/epidemiology , Orthopedic Procedures/history , Orthopedics/history
10.
JBJS Case Connect ; 11(3)2021 07 06.
Article in English | MEDLINE | ID: mdl-34228662

ABSTRACT

CASE: A 70-year-old active woman presented with lateral ankle instability 40 years after a lateral ankle reconstruction procedure. Examination demonstrated gross instability, and advanced imaging revealed attenuation of her previous graft. She underwent anatomic reconstruction through a modified Brostrom-Gould technique and was able to return to hiking without pain. CONCLUSION: Recurrent lateral ankle instability after reconstruction represents a unique challenge for orthopaedic surgeons. Utilization of a modified Brostrom-Gould procedure with suture tape augmentation is a promising alternative to allograft or autograft reconstruction for patients with active lifestyle goals in the context of recurrent instability.


Subject(s)
Joint Instability , Lateral Ligament, Ankle , Aged , Ankle/surgery , Ankle Joint/diagnostic imaging , Ankle Joint/surgery , Female , Humans , Joint Instability/diagnostic imaging , Joint Instability/etiology , Joint Instability/surgery , Lateral Ligament, Ankle/surgery , Treatment Outcome
11.
Contracept Reprod Med ; 6(1): 13, 2021 May 03.
Article in English | MEDLINE | ID: mdl-33934717

ABSTRACT

BACKGROUND: Subdermal etonogestrel implants are highly effective contraceptive methods. Despite standardization of insertion technique by the manufacturer, some implants are inadvertently placed too deeply within or below the plane of the biceps brachii fascia. Placement of these implants in a deep tissue plane results in more difficult removal, which is not always possible in the office setting. In rare cases, surgical removal by an upper extremity surgeon is warranted. CASE PRESENTATION: Here we present 6 cases of etonogestrel implants located in a subfascial plane requiring removal by an upper extremity surgeon. Implants were all localized with plain radiography and ultrasound prior to surgical removal. All cases had implants located in the subfascial plane and one was identified intramuscularly. The average age was 28 years (19-33) and BMI was 24.0 kg/m^2 (19.1-36.5), with the most common reason for removal being irregular bleeding. The majority of cases (5/6) were performed under monitored anesthesia care with local anesthetic and one case utilized regional anesthesia. All implants were surgically removed without complication. CONCLUSIONS: Insertion of etonogestrel contraceptive implants deep to the biceps brachii fascia is a rare, but dangerous complication. Removal of these implants is not always successful in the office setting and referral to an upper extremity surgeon is necessary to avoid damage to delicate neurovascular structures for safe removal.

12.
Am J Sports Med ; 48(13): 3147-3153, 2020 11.
Article in English | MEDLINE | ID: mdl-33044839

ABSTRACT

BACKGROUND: Meniscal vascular supply is an important determinant of its healing potential. It has been reported that only the peripheral 30% of the meniscus is vascularized in cadavers aged 53 to 94 years; however, the vascularity in young patients, in whom meniscal repair is more often performed, is unknown. PURPOSE: The primary objective was to analyze and measure the microvascular anatomy of the meniscus in adult cadaveric specimens <35 years old. The secondary objective was to assess angiogenic potential by quantifying regional gene expression in a meniscal allograft cohort <45 years old. STUDY DESIGN: Descriptive laboratory study. METHODS: In part 1 of this study, 13 fresh-frozen cadaveric knees (age range, 22-34 years; mean, 28.5 years) underwent popliteal artery India ink injection and tissue clearing using a Spalteholz technique, followed by microvascular vascular measurement. In part 2, mRNA was isolated from 13 meniscal allografts (age range, 17-43 years; mean, 27.2 years), and expression of angiogenic genes, vascular endothelial growth factor (VEGF), and vascular endothelial growth factor receptor 1 (FLT1) was quantified using real-time polymerase chain reaction. RESULTS: The maximal depth of vascular penetration into the periphery of the medial and lateral menisci ranged from 0% to 42% and 0% to 48%, respectively. There was variation in the degree of vascular penetration within the medial meniscus, with the posterior horn having a significantly smaller depth of penetration (median, 8.7%) than that of the anterior horn (median, 17.4%; P < .0001) or midbody (median, 17.5%; P = .0003). There were no differences in angiogenesis gene expression (VEGF/FLT1) based on circumferential or radial meniscal locations. CONCLUSION: The vascular supply of the medial and lateral menisci in specimens from adults <35 years of age extended farther than what was reported in specimens from older individuals; however, median values remained consistent. Gene expression of the angiogenic marker VEGF was low throughout all regions of uninjured menisci from young adults, which is consistent with reports in older specimens. CLINICAL RELEVANCE: Improved understanding of meniscal vascular supply in young adults is critical to informing clinical treatment decisions.


Subject(s)
Menisci, Tibial/blood supply , Microcirculation , Vascular Endothelial Growth Factor A , Adolescent , Adult , Arthroplasty, Replacement, Knee , Cartilage, Articular/blood supply , Humans , Menisci, Tibial/surgery , Transplantation, Homologous , Vascular Endothelial Growth Factor A/genetics , Wound Healing , Young Adult
13.
JBJS Rev ; 8(8): e1900221, 2020 08.
Article in English | MEDLINE | ID: mdl-32796195

ABSTRACT

New knowledge about the molecular biology of fracture-healing provides opportunities for intervention and reduction of risk for specific phases that are affected by disease and medications. Modifiable and nonmodifiable risk factors can prolong healing, and the informed clinician should optimize each patient to provide the best chance for union. Techniques to monitor progression of fracture-healing have not changed substantially over time; new objective modalities are needed.


Subject(s)
Fracture Healing , Fractures, Ununited/etiology , Osteogenesis , Fractures, Ununited/diagnosis , Humans , Risk Factors
14.
J Am Acad Orthop Surg ; 28(23): 945-952, 2020 Dec 01.
Article in English | MEDLINE | ID: mdl-32804700

ABSTRACT

Musculoskeletal (MSK) disease comprises over 20% of all visits to healthcare providers each year, yet a disproportionately small percentage of medical school education focuses on MSK disease. Even among students applying into orthopaedic surgery, less than 50% demonstrate prerequisite anatomic knowledge before beginning their residency. Medical school curriculum reform is needed, given that only 15% have a required MSK curriculum. Inadequate education ultimately leads to poor patient care and forces clinicians to learn MSK medicine later in practice. Although this inadequacy in medical school MSK education has been recognized for decades, little has changed to address this critical deficiency. A successful curriculum development requires defining critical MSK topics, evaluative methods to assess knowledge acquisition, and ultimately assessment of applying that knowledge to the care of patients. Newer strategies for MSK education include "near-peer" learning from senior classmates and residents, clinical immersion within MSK care teams, peer interest groups, and standardize learning platforms and assessment tools. Technologies such as virtual reality simulation, adaptive video learning, and other technologies will inform the development of affordable, succinct, evidence-informed curriculums that can enhance medical student MSK education with universal implementation. As clinical practice evolves to optimize patient care, so should the education of physicians who deliver that care.


Subject(s)
Curriculum , Internship and Residency , Musculoskeletal Diseases , Orthopedics , Clinical Competence , Humans , Musculoskeletal Diseases/surgery , Orthopedics/education , Schools, Medical , Technology
15.
Neurotrauma Rep ; 1(1): 42-45, 2020.
Article in English | MEDLINE | ID: mdl-34223529

ABSTRACT

Sports-related concussions (SRCs) are a public health concern across the United States, and they lead to neurological sequelae that can last long after the event itself. Concussive convulsions at the time of injury are common and rarely require additional workup or treatment. Post-traumatic epilepsy (PTE), however, is a rare phenomenon that can develop after traumatic brain injury and must be managed with adequate medical therapy. Herein we present the case of a 15-year-old football player who developed PTE after an SRC. This condition must be identified through proper education of sports clinicians and those involved in care and management of athletes.

16.
Neurotrauma Rep ; 1(1): 88-92, 2020.
Article in English | MEDLINE | ID: mdl-34223534

ABSTRACT

Athletes are known to under-report concussion symptoms due to competitive disincentives to report and conflation of concussion symptoms with other conditions associated with rigorous participation in sports. A quantitative biomarker for concussion has the potential to decrease the reliance on inconsistent patient-reported symptoms for the diagnosis of concussion. The objective of this project was to monitor heart rate variability (HRV) patterns of in-season athletes as a potential biomarker for concussion. Twenty in-season National Collegiate Athletic Association (NCAA) Division 2 collegiate soccer players were given a wristband heart rate sensor with instructions to wear the band full time (24/7) for the entire fall season (approximately 3 months). The athletes were prompted by email to complete a weekly survey on the severity and frequency of any concussion symptoms. The survey and HRV data were de-identified for confidentiality, and to increase the likelihood of accurate reporting the athletes were told their responses would not be used to disqualify them from athletics. Our hypothesis was that HRV would be diminished in those with recent concussion. One athlete (5% of the cohort) sustained a concussion during the study period. A marked decrease in HRV was identified 7 days following the concussion, which eventually returned to baseline. This normalization of HRV followed the timing of resolution of concussion symptoms. Participants who did not sustain a concussion exhibited minimal variance in HRV over time. This preliminary study shows that HRV has potential as a biomarker for symptom resolution after clinically apparent concussion. HRV is unlikely to serve as a concussion diagnostic due to the 7-day lag in HRV change after concussion.

17.
J Orthop Case Rep ; 9(2): 34-37, 2019.
Article in English | MEDLINE | ID: mdl-31534930

ABSTRACT

INTRODUCTION: Congenital hypertrophy of the intrinsic muscles of the foot is a rare disorder of unknown incidence characterized by unilateral muscular hypertrophy of one or more of the intrinsic muscles. Few cases have been reported in literature, many presenting with hypertrophy of a single muscle. CASE REPORT: A 12-year-oldCaucasian female with hypertrophy of all intrinsic muscles of the right foot present since birth presented with muscle imbalance resulting in hammer toe deformities of the second and third toes with the second toe crossing over the hallux. Our treatment consisted of the correction of the toe deformities without muscle debulking or excision. CONCLUSIONS: Isolated congenital hypertrophy of muscles poses a unique challenge, particularly involving musculature of the foot. Indications for intervention include pain or functional impairment. Specific treatments should aim to address patient complaints with the understanding that debulking procedures carry the risk of abundant scar formation, neurovascular injury, and functional deficits.

18.
J Arthroplasty ; 34(7S): S361-S365, 2019 07.
Article in English | MEDLINE | ID: mdl-30948290

ABSTRACT

BACKGROUND: The sequence of posterior cruciate ligament (PCL) release in posterior-substituting designs, when performing gap balancing in total knee arthroplasty (TKA), is variable. We hypothesize that early complete PCL release during knee exposure will change the flexion balance to result in a uniform medial-lateral flexion gap symmetry at the time of implant placement. METHODS: Ten cadaveric knees were prepared for TKA using standard medial parapatellar approach. Medial and lateral flexion gaps were measured in the conditions of intact, partial (50%) resection, and full resection of PCL. Measurements were performed with both surgical navigation and a caliper. Flexion gap distances were reported for medial and lateral compartments in the 3 PCL conditions. RESULTS: Medial flexion gap increased after only complete release of the PCL (mean 3.94-5.05 mm). The lateral flexion gap increased as well (mean 4.17-4.67 mm). Complete PCL release resulted in a statistically significant increase in medial flexion gap compared to intact (P = .013) and partially released (P = .012) specimens. No significant differences were noted in lateral flexion gap change. Notable change in medial versus lateral gap (flexion gap symmetry) relationship occurred after just partial PCL release (P = .018). CONCLUSION: Among the 3 PCL states, changes in flexion gap distance were most conspicuous in the medial compartment. This suggests gap balancing performed with incomplete PCL release will not accurately reflect gap distance after eventual PCL removal, thus supporting the hypothesis. It is recommended that the PCL should be released to the fullest extent possible before ligament tensioning for femoral component rotation in posterior-stabilized TKA.


Subject(s)
Arthroplasty, Replacement, Knee , Knee Joint/surgery , Knee Prosthesis , Posterior Cruciate Ligament/surgery , Range of Motion, Articular , Biomechanical Phenomena , Cadaver , Humans , Knee/surgery , Ligaments/surgery , Osteoarthritis, Knee/surgery , Rotation
19.
Phys Sportsmed ; 47(3): 253-261, 2019 09.
Article in English | MEDLINE | ID: mdl-30644802

ABSTRACT

Sports-related injuries to the shoulder are common causes of disability. Injuries to the sternoclavicular joint (SCJ) in sports are more rare, though have been reported in a small number of cases. SCJ injury classification is determined by the degree of joint displacement and direction of clavicular displacement. Direction of displacement is particularly important due to risk of injury to intrathoracic structures, which has the potential to result in fatal outcomes. These injuries are important to identify in athletes and can be difficult to assess on the field. Specific radiographic views and use of ultrasound can improve accuracy of diagnosis. Reduction of acute traumatic SCJ dislocations is recommended and may require open reduction in the case of posteriorly displaced dislocations. Surgical treatment is indicated in cases of persistent pain or significant compression to intrathoracic soft tissue structures. Long-term outcomes are generally favorable, and athletes are able to return to sport without functional limitations.


Subject(s)
Athletic Injuries/diagnosis , Athletic Injuries/therapy , Joint Dislocations/diagnosis , Joint Dislocations/therapy , Sternoclavicular Joint/injuries , Adult , Athletic Injuries/etiology , Female , Humans , Joint Dislocations/etiology , Male , Middle Aged
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