Driving after Concussion: Symptom Clusters and Neurocognition Uniquely Relate to Post-Concussion Driving Performance.

Purpose: To identify clinical concussion assessment outcomes that uniquely capture simulated driving performance among acutely concussed individuals, relative to controls.

Methods: Cross-sectional design. Twenty-eight college students within 72-hours of concussion and 46 non-concussed controls participated in the study.

Factors Influencing Speech-Language Pathology Referral and Utilization in Mild Traumatic Brain Injury: An Exploratory Analysis.

Purpose: Speech-language pathologists provide important services to people recovering from mild traumatic brain injury (mTBI), also called concussion, although they may be underutilized in outpatient care. Because health care providers face challenges in selecting assessments to efficiently describe patient needs, the purpose of this study was to describe factors related to patients receiving speech-language pathology services after mTBI, as well as how assessments predict amount of services received.

Method: In this retrospective chart review study, demographic factors, injury characteristics, and assessment scores were extracted from medical records of patients aged 14-65 years receiving services for recent (within 6 months) mTBI at an outpatient specialty clinic.

mTBI evaluation, management, and referral to allied healthcare: practices of first-line healthcare professionals.

Primary Objective: To gain an understanding of current evaluation practices, post-injury recommendations, and referrals to allied healthcare professions (AHP) by first-line healthcare professionals (FHPs) providing care for people with mild traumatic brain injury (mTBI).

Research Design: Survey study.

Methods And Procedures: Physicians, physician assistants, nurse practitioners, nurses, and athletic trainers ( = 126) completed an online survey, including Likert scale and free response question relating to mTBI evaluation, management, and referral practices.

Implementation of telehealth and hybrid service delivery of interdisciplinary rehabilitation for military populations with traumatic brain injury.

Background: The COVID-19 pandemic necessitated the implementation of telehealth and hybrid service delivery models and provided an opportunity to study the impact of this care model in military populations with history of traumatic brain injury (TBI).

Objective: To present telehealth service utilization rates across rehabilitation specialties, treatment outcome indicators, and patient satisfaction outcomes from a retrospective clinical sample.

Methods: The study sample consists of 34 patients who underwent telehealth/hybrid Intensive Outpatient Programming (IOP) at a major rehabilitation hospital.

Level of Evidence of Telehealth Rehabilitation and Behavioral Health Services for Traumatic Brain Injury: A Scoping Review.

Traumatic brain injury (TBI) can result in significant impairments in functioning associated with partial or permanent disabilities. Examining the evidence for domain-specific telehealth interventions is necessary to guide the development of effective clinical and research programs for this population. The present scoping review characterizes the level of evidence across a range of TBI-related disabilities and impairments.

Longitudinal Assessment of Postconcussion Driving: Evidence of Acute Driving Impairment.

Background: Current medical practices and recommendations largely ignore the safety of postconcussion driving, even though commonly used measures of neurocognition, balance, and vestibulo-ocular function show impairment.

Purpose: To compare simulated driving between patients with concussion and controls throughout concussion recovery using a case-control design.

Study Design: Cohort study; Level of evidence, 2.

Visuo-vestibular and cognitive connections of the vestibular neuromatrix are conserved across age and injury populations.

Background And Purpose: Given the prevalence of vestibular dysfunction in pediatric concussion, there is a need to better understand pathophysiological disruptions within vestibular and associated cognitive, affective, and sensory-integrative networks. Although current research leverages established intrinsic connectivity networks, these are nonspecific for vestibular function, suggesting that a pathologically guided approach is warranted. The purpose of this study was to evaluate the generalizability of the previously identified "vestibular neuromatrix" in adults with and without postconcussive vestibular dysfunction to young athletes aged 14-17.

The effects of sports-related concussion history on female adolescent brain activity and connectivity for bilateral lower extremity knee motor control.

Sports-related concussions (SRCs) are associated with neuromuscular control deficits in athletes following return to play. However, the connection between SRC and potentially disrupted neural regulation of lower extremity motor control has not been investigated. The purpose of this study was to investigate brain activity and connectivity during a functional magnetic resonance imaging (fMRI) lower extremity motor control task (bilateral leg press) in female adolescent athletes with a history of SRC.

The SUCCESS Peer Mentoring Program for College Students with Concussion: Preliminary Results of a Mobile Technology Delivered Intervention.

Concussions are caused by a hit or blow to the head that alters normal brain functioning. The Success in College after Concussion with Effective Student Supports (SUCCESS) program was developed to provide students with psychosocial support and resources-both key components of concussion management-to assist in recovery and return-to-learn following concussion. In this preliminary evaluation of intervention efficacy, SUCCESS was delivered through a mobile application connecting mentors (students who have recovered from concussion and successfully returned to school) with mentees who were currently recovering.

Eagle-449: A volumetric, whole-brain compilation of brain atlases for vestibular functional MRI research.

Human vestibular processing involves distributed networks of cortical and subcortical regions which perform sensory and multimodal integrative functions. These functional hubs are also interconnected with areas subserving cognitive, affective, and body-representative domains. Analysis of these diverse components of the vestibular and vestibular-associated networks, and synthesis of their holistic functioning, is therefore vital to our understanding of the genesis of vestibular dysfunctions and aid treatment development.

Use of person-centered goals to direct interdisciplinary care for military service members and Veterans with chronic mTBI and co-occurring psychological conditions.

Objective: To explore the use of person-centered goals (PCGs) to direct interdisciplinary care to support PCG attainment in military service members and Veterans (SM/Vs) with chronic mild traumatic brain injury (mTBI) and co-occurring psychological conditions.

Methods: A retrospective chart review was completed for 146 United States military SM/Vs reporting chronic symptoms following mTBI and co-occurring psychological conditions who received care in the SHARE Military Initiative intensive outpatient program, a donor-funded program administered by a not-for-profit hospital, between April 1, 2015 and March 31, 2019. PCGs were used to direct care consisting of individual and group-based interventions and therapies delivered by an interdisciplinary, co-located team including behavioral health, case management, neurology or physiatry, nursing, occupational therapy, physical therapy, recreation therapy, speech-language pathology, and transition support.

Implementation of a Mobile Technology-Supported Diaphragmatic Breathing Intervention in Military mTBI With PTSD.

Background: Diaphragmatic breathing is an evidence-based intervention for managing stress and anxiety; however, some military veterans with mild traumatic brain injury (mTBI) and posttraumatic stress disorder (PTSD) report challenges to learning and practicing the technique. BreatheWell Wear assists performance of breathing exercises through reminders, biofeedback, and visual, tactile, and auditory guidance.

Objective: To evaluate feasibility of implementing BreatheWell Wear, a mobile smartwatch application with companion smartphone app, as an intervention for stress management in military veterans with mTBI and PTSD.

The "vestibular neuromatrix": A proposed, expanded vestibular network from graph theory in post-concussive vestibular dysfunction.

Convergent clinical and neuroimaging evidence suggests that higher vestibular function is subserved by a distributed network including visuospatial, cognitive-affective, proprioceptive, and integrative brain regions. Clinical vestibular syndromes may perturb this network, resulting in deficits across a variety of functional domains. Here, we leverage structural and functional neuroimaging to characterize this extended network in healthy control participants and patients with post-concussive vestibular dysfunction (PCVD).

A Novel Neuropsychological Tool for Immersive Assessment of Concussion and Correlation with Subclinical Head Impacts.

Mild traumatic brain injury (mTBI) remains a diagnostic challenge and therefore strategies for objective assessment of neurological function are key to limiting long-term sequelae. Current assessment methods are not optimal in austere environments such as athletic fields; therefore, we developed an immersive tool, the Display Enhanced Testing for Cognitive Impairment and mTBI (DETECT) platform, for rapid objective neuropsychological (NP) testing. The objectives of this study were to assess the ability of DETECT to accurately identify neurocognitive deficits associated with concussion and evaluate the relationship between neurocognitive measures and subconcussive head impacts.

Alterations in Resting-State Functional Brain Connectivity and Correlations with Vestibular/Ocular-Motor Screening Measures in Postconcussion Vestibular Dysfunction.

Background And Purpose: Vestibular symptoms after concussion are common and associated with protracted recovery. The purpose of this study is to define resting-state functional MRI (rs-fMRI) brain connectivity alterations in patients with postconcussion vestibular dysfunction (PCVD) and correlations between rs-fMRI connectivity and symptoms provoked during Vestibular/Ocular-Motor Screening (VOMS) assessment.

Methods: Prospective IRB approved study.

Technology-enhanced visual desensitization home exercise program for post-concussive visually induced dizziness: a case series.

Purpose: Post-concussive visually induced dizziness (VID), in which symptoms are provoked by exposure to complex visual motion, is associated with protracted recovery. Although vestibular rehabilitation therapy (VRT) is recommended to treat post-concussive dizziness, there is sparse literature reporting on specific VRT interventions treating VID.

Methods: A consecutive series of 26 individuals referred for VRT post-concussion were retrospectively assessed for inclusion in this case series.

Intubation Containment System for Improved Protection From Aerosolized Particles During Airway Management.

Objectives: Worldwide efforts to protect front line providers performing endotracheal intubation during the COVID-19 pandemic have led to innovative devices. Authors evaluated the aerosol containment effectiveness of a novel intubation aerosol containment system (IACS) compared with a recently promoted intubation box and no protective barrier.

Methods: In a simulation center at the authors' university, the IACS was compared to no protective barrier and an intubation box.

Smooth Pursuit and Saccades after Sport-Related Concussion.

Smooth pursuit eye movements (SPEMs) and saccadic eye movements are both commonly impaired following sport-related concussion (SRC). Typical oculomotor assessments measure individual eye movements in a series of restrictive tests designed to isolate features such as response times. These measures lack ecological validity for athletes because athletes are adept at simple tasks designed for the general population.

ASB clinical biomechanics award winner 2016: Assessment of gaze stability within 24-48hours post-concussion.

Background: Approximately 90% of athletes with concussion experience a certain degree of visual system dysfunction immediately post-concussion. Of these abnormalities, gaze stability deficits are denoted as among the most common. Little research quantitatively explores these variables post-concussion.

Risk for broad-spectrum neuropsychiatric disorders after mild traumatic brain injury in a cohort of US Air Force personnel.

Background: Military personnel are at increased risk for traumatic brain injury (TBI) from combat and non-combat exposures. Sequelae of moderate-to-severe TBI are well described, but the literature remains conflicted regarding whether mild TBI (mTBI) results in lasting brain injury and functional impairments. This study assessed risk for a range of neuropsychiatric disorders presenting after mTBI while adjusting for the potential confounds of depression and post-traumatic stress disorder (PTSD).

Functional recordings from awake, behaving rodents through a microchannel based regenerative neural interface.

Objective: Neural interface technologies could provide controlling connections between the nervous system and external technologies, such as limb prosthetics. The recording of efferent, motor potentials is a critical requirement for a peripheral neural interface, as these signals represent the user-generated neural output intended to drive external devices. Our objective was to evaluate structural and functional neural regeneration through a microchannel neural interface and to characterize potentials recorded from electrodes placed within the microchannels in awake and behaving animals.

Neurologically-related sequelae associated with mild traumatic brain injury.

Objective: Mild traumatic brain injury (mTBI) accounts for more than 75% of traumatic brain injuries every year. This study examines the temporal association between non-blast mTBI and the onset of neurologic sequelae to illuminate risks of post-concussive syndrome, epilepsy and chronic pain.

Methods: A large historical prospective study was conducted utilizing electronically-recorded demographic, medical and military-specific data for over half a million active duty US Air Force Airmen.

Microchannel-based regenerative scaffold for chronic peripheral nerve interfacing in amputees.

Neurally controlled prosthetics that cosmetically and functionally mimic amputated limbs remain a clinical need because state of the art neural prosthetics only provide a fraction of a natural limb's functionality. Here, we report on the fabrication and capability of polydimethylsiloxane (PDMS) and epoxy-based SU-8 photoresist microchannel scaffolds to serve as viable constructs for peripheral nerve interfacing through in vitro and in vivo studies in a sciatic nerve amputee model where the nerve lacks distal reinnervation targets. These studies showed microchannels with 100 μm × 100 μm cross-sectional areas support and direct the regeneration/migration of axons, Schwann cells, and fibroblasts through the microchannels with space available for future maturation of the axons.

Dizziness and vertigo: emergencies and management.

The cause of dizziness in patients seen in the emergency room can usually be determined by a focused evaluation that consists of identifying three key features in the history and five key elements of the clinical examination. This article discusses the most common causes of dizziness, how to use this approach, and management of these cases in the emergency room.