Publications by authors named "Kyle Obana"

Purpose: To analyze mechanisms, diagnoses, and incidence of youth snowboarding-related injuries presenting to US emergency departments.

Methods: Data from the National Electronic Injury Surveillance System were analyzed for pediatric snowboarding injuries (≤18 years old) from 2012 to 2022. Data were collected for mechanism of injury, diagnosis, location of injury, and disposition.

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  • The study assesses the return to performance of MLB pitchers after undergoing ulnar collateral ligament (UCL) surgery using advanced analytics and pitch-tracking metrics.
  • At 1, 2, and 3 years post-surgery, the data showed that only 1.6% of pitchers returned to play within the first year, but the rates increased significantly to 71.9% at 2 years and 82.0% at 3 years.
  • The research highlights the importance of modern metrics, examining factors like expected fielding independent pitching and velocity, to evaluate pitchers' recovery and performance levels after surgery.
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Background: The mean age of volleyball athletes has increased over the past decade, raising concerns about musculoskeletal injuries. There is no literature on how different mechanisms of injury (MOI) affect different adult age groups.

Purpose: To evaluate epidemiologic trends, diagnoses, and mechanisms of volleyball-related upper extremity injuries within different adult age groups.

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Background: Wrestling is among the most common youth sports in the United States, with about 260,000 high school participants annually. There is a lack of literature investigating wrestling injury profiles and mechanisms of injuries. In the past 15 years, urgent care utilization has increased, and National Federation of State High School Associations (NFHS) concussion protocols have been developed and implemented.

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Background: Outcomes of reverse shoulder arthroplasty (RSA) in patients with prior rotator cuff repair (RCR) remain inconsistent. The purpose of this study, therefore, was to systematically review the current outcomes literature on RSA in patients with prior RCR and to compare the results with controls without prior RCR.

Methods: A systematic review of the literature was performed, and outcome studies reporting on functional and clinical outcomes were included.

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Purpose: To assess the distribution and mechanisms of lower-extremity injuries among high school and college age rugby players presenting to U.S. emergency departments (EDs) from 2008 to 2022.

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Objectives: Nearly 3 million children participate in youth soccer annually in the United States. Popularity of youth soccer within recent years has prompted investigation describing youth-soccer concussion trends presenting to United States emergency departments (EDs).

Methods: Data from National Electronic Injury Surveillance System were analyzed for soccer players 2-18 years old sustaining concussions from January 2013 to December 2022.

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Study Design: Systematic review.

Objective: The primary purpose of this article was to survey the present literature and report on return-to-play (RTP) outcomes in elite athletes after undergoing motion preservation spinal surgery (MPSS).

Background: For elite performance, athletes require adequate mobility throughout the trunk, torso, and spine to achieve maximal force production.

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Surfer's neurapraxia is a rare surfing injury of the saphenous nerve secondary to persistent compression of the saphenous nerve along the medial thigh by the surfboard when paddling prone and while sitting upright on the board waiting for a wave. Symptoms may be nonspecific and consist of pain in the medial thigh with or without radiation along the saphenous nerve distribution (medial leg, medial ankle, medial arch of the foot). The saphenous nerve tension test can be utilized to reproduce the symptoms of surfer's neurapraxia.

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Background: While prevention protocols have been implemented, skiing-related musculoskeletal injuries and concussions continue to present to emergency departments in the United States. Previous literature has suggested the pediatric population may constitute up to 40% of skiing-related injuries.

Purpose: To assess injury trends and the underlying mechanisms of skiing injuries in pediatric patients seen at emergency departments in the United States.

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  • Management of AC joint injuries is contentious, with patients relying on internet resources for information; this study aims to identify common online questions and assess the quality of the information provided.
  • The most frequently searched topics include surgical indications, recovery timelines, and diagnosis, while less common inquiries focus on anatomy and surgery evaluation.
  • Government websites provided the highest quality information (average score of 4.0), while medical practice websites scored the lowest (average score of 0.3), indicating significant variability in the reliability of online resources for AC joint injuries.
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Objectives: This study investigates the most common online patient questions pertaining to posterior cruciate ligament (PCL) injuries and the quality of the websites providing information.

Methods: Four PCL search queries were entered into the Google Web Search. Questions under the 'People also ask' tab were expanded in order and 100 results for each query were included (400 total).

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Background: Surfing is an increasingly popular sport with a high propensity for both traumatic and atraumatic injuries.

Purpose: To analyze the trends, etiologies, and diagnoses of lower extremity orthopaedic-related surfing injuries presenting to United States (US) emergency departments (EDs) within a 21-year study period.

Study Design: Descriptive epidemiology study.

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  • The study examines upper extremity injuries in youth volleyball players presenting to U.S. emergency departments from 2012 to 2022, analyzing data on injury types, causes, and patient demographics.
  • A total of 131,624 injuries were estimated, with the majority affecting fingers and wrists, and the most common injuries being strains/sprains and fractures, predominantly among female players.
  • Overall injury rates showed a significant decrease over the years, with females experiencing more contusions and strains compared to males, indicating a trend that highlights the need for targeted prevention strategies.
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  • The study aimed to understand the trends and mechanisms behind lower extremity fractures related to basketball injuries in the U.S. from 2013 to 2022.
  • It found that overall lower extremity fractures decreased over the years, with the ankle being the most commonly fractured site and noncontact twisting as the major injury mechanism.
  • Analysis revealed significant reductions in ankle and foot fractures, while other types of fractures such as those in the knee and upper leg showed no significant changes.
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Surfing is a globally popular recreational sport with limited epidemiologic data. Currently, there is a paucity of literature regarding injury profiles and mechanisms of orthopaedic-related injuries. This study analyzed trends, etiologies, and diagnoses of upper extremity orthopaedic-related surfing injuries presenting to United States (US) emergency departments.

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Anterior cruciate ligament tears or ruptures are common orthopedic injuries. Anterior cruciate ligament reconstruction (ACLR) is an orthopedic procedure allowing for earlier return to sports, improved maintenance of lifestyle demands, and restored knee stability and kinematics. A perioperative rehabilitative adjunct recently gaining interest is blood flow restriction (BFR), a method in which temporary restriction of blood flow to a chosen extremity is introduced and can be used as early as a few days postoperative.

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Objective: Evaluate injury trends in Brazilian Jiu Jitsu (BJJ) participation by presenting to U.S. emergency departments over a 10-year period and formulate an injury profile.

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Objective: Posterior cruciate-stabilized (PS) and ultracongruent (UC) inserts are used during total knee arthroplasty (TKA), but superiority in gaining postoperative knee flexion and functionality remains contested. Therefore, this study compared postoperative outcomes between PS and UC inserts.

Methods: A retrospective review evaluated unilateral or bilateral TKAs with PS or UC inserts from August 2011 to March 2020.

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Background: Treatment of acute pediatric Monteggia fractures requires ulnar length stability to maintain reduction of the radiocapitellar joint. When operative care is indicated, intramedullary ulna fixation can be buried or left temporarily exposed through the skin while under a cast. The authors hypothesized that treatment with exposed fixation yields equivalent results to buried fixation for Monteggia fractures while avoiding secondary surgery for hardware removal.

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  • Pre-operative nutritional assessments are aimed at improving nutritional status and reducing postoperative risks in children with cerebral palsy (CP) undergoing major orthopedic surgery, though their effectiveness remains uncertain.
  • A study involving 155 CP patients who had varus derotational osteotomy found that a significant portion underwent nutritional assessments, but the outcomes regarding complication rates, especially in non-ambulatory patients with G-tubes, showed no notable differences.
  • Non-ambulatory patients with G-tubes experienced higher pulmonary complication rates compared to those without, indicating that nutritional assessments may not significantly impact BMI or complication rates after surgery.
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Seasonal affective disorder (SAD) is a prevalent and potentially serious medical condition. Young adults are at particularly high risk. However, it is unknown if college students whose hometowns are in geographic areas with less seasonal variability, such as in the state of Hawai'i, are particularly vulnerable if they attend schools in areas with seasonal variability.

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Background: Concussions occur at higher rates in high school football as compared with all other high school sports. In 2014, the National Federation of State High School Associations implemented rules defining illegal contact against a defenseless player above the shoulders to reduce concussions in football players in the United States. To the best of our knowledge, rates of emergency department (ED)-diagnosed concussions of high school football players before and after the 2014 rule implementation have not been compared.

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