Publications by authors named "Sang Pak"

Article Synopsis
  • Care and outcomes for patients with chronic low back pain (cLBP) are significantly impacted by social risk factors like food insecurity and housing instability, which contribute to poorer health and increased healthcare disparities.
  • A study examining 1,295 cLBP patients found that various social risks were linked to higher health care utilization in different categories, including emergency department visits and physical therapy.
  • Results indicated that social isolation and housing instability were major contributors to increased healthcare needs, while financial strain had mixed effects on utilization patterns.
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Objective: This paper describes how the administrative leadership of 1 physical therapy department curated, implemented, and evaluated a culturally responsive administrative support strategy to foster a positive working environment. Participants' perceptions of culturally responsive practices were explored using climate survey data.

Methods: This case occurred in the physical therapy and rehabilitation science department at an academic medical center in the United States.

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Background And Purpose: Systems-based practice is a core competency for physical therapy residents, best acquired through experiential learning. Peer health professions are further along than physical therapy in implementing curricula that support systems-based practice. Clinical and practice data in residency programs could provide for education in high-value care (HVC) as a foundation for systems-based practice.

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Objective: To describe the characteristics of patients who received outpatient therapy services through an infant bridge program using telehealth mode of service delivery and to identify if attendance rates vary by mode of service delivery. We hypothesized that telehealth visits will increase attendance rates.

Design: Retrospective, cross-sectional study.

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Introduction: Health informatics curricular content, while beneficial to the spectrum of education in physical therapy, is currently only required in physical therapist education programs, and even there, it is only crudely defined. The purpose of our study was to use the techniques of concept analysis and concept mapping to provide an outline of informatics content that can be the foundation for curriculum development and the construction of informatics competencies for physical therapy.

Review Of Literature: There is no established consensus on the definition of health informatics.

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Background: Despite efforts to view electronic health records (EHR) data through an equity lens, crucial contextual information regarding patients' social environments remains limited. Integrating EHR data and Geographic Information Systems (GIS) technology can give deeper insights into the relationships between patients' social environments, health outcomes, and geographic factors. This study aims to identify regions with the fastest and slowest access to outpatient physical therapy services using bivariate choropleth maps to provide contextual insights that may contribute to health disparity in access.

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Background: Chronic shoulder pain (CSP) is a common condition with various etiologies, including rotator cuff disorders, adhesive capsulitis, shoulder instability, and shoulder arthritis. It is associated with substantial disability and psychological distress, resulting in poor productivity and quality of life. Physical therapy constitutes the mainstay treatment for CSP, but several barriers exist in accessing care.

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Objective: We applied natural language processing and inference methods to extract social determinants of health (SDoH) information from clinical notes of patients with chronic low back pain (cLBP) to enhance future analyses of the associations between SDoH disparities and cLBP outcomes.

Materials And Methods: Clinical notes for patients with cLBP were annotated for 7 SDoH domains, as well as depression, anxiety, and pain scores, resulting in 626 notes with at least one annotated entity for 364 patients. We used a 2-tier taxonomy with these 10 first-level classes (domains) and 52 second-level classes.

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Objective: The purpose of this study was to examine telehealth physical therapy utilization 1 year into the COVID-19 pandemic and identify factors that influence physical therapists' delivery of telehealth in an urban academic medical center.

Methods: Electronic medical record data were extracted within the dates of interest (March 22, 2021 to May 15, 2021), the proportion of physical therapy sessions delivered via telehealth were identified, and patient characteristics were compared by telehealth volume (0 vs ≥1 session, 1 vs >1 session). Qualitative data also were collected from physical therapists via semi-structured interviews, and a directed content analysis was conducted, informed by the Capability, Opportunity, Motivation, and Behavior model, to identify factors influencing telehealth delivery.

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Background: Although evidence-based guidelines for physical therapy for patients with chronic low back pain (cLBP) are available, selecting patient-reported outcome measures to capture complexity of health status and quality of life remains a challenge. PROMIS-10 Global Health (GH) may be used to screen for impactful health risks and enable patient-centered care. The purpose of this study was to investigate the interrelationships between PROMIS-10 GH scores and patient demographics, health status, and healthcare utilization in patients with cLBP who received physical therapy.

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Objective: The objective was to evaluate implementation of telehealth physical therapy in response to COVID-19 and identify implementation strategies to maintain and scale up telehealth physical therapy within a large urban academic medical center.

Methods: The Reach Effectiveness Adoption Implementation Maintenance (RE-AIM) framework was used to evaluate telehealth physical therapy implementation. Patient-level data were extracted from electronic medical records between March 16, 2020, and May 16, 2020 (implementation phase).

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Next-generation flexible and transparent electronics demand newer materials with superior characteristics. Tin dichalcogenides, Sn(S,Se), are layered crystal materials that show promise for implementation in flexible electronics and optoelectronics. They have band gap energies that are dependent on their atomic layer number and selenium content.

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We report an enhancement of near-infrared (NIR) detectability from amorphous InGaZnO (α-IGZO) thin film transistor in conjunction with randomly distributed molybdenum disulfide (MoS) flakes. The electrical characteristics of the α-IGZO grown by radio-frequency magnetron sputtering exhibit high effective mobility exceeding 15 cm V s and current on/off ratio up to 10. By taking advantages of the high quality α-IGZO and MoS light absorbing layer, photodetection spectra are able to extend from ultra-violet to NIR range.

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Metastasis from breast carcinoma to the gastrointestinal tract (GIT) is very uncommon. To date, only a few cases have been described worldwide. Of those which do metastasize to the GIT, only estrogen receptor (ER), progesterone receptor (PR) and HER2-neu receptor positive cancers have been reported and none have been mentioned in the U.

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Molybdenum disulfide (MoS) film fabricated by a liquid exfoliation method has significant potential for various applications, because of its advantages of mass production and low-temperature processes. In this study, residue-free MoS thin films were formed during the liquid exfoliation process and their electrical properties were characterized with an interdigitated electrode. Then, the MoS film thickness could be controlled by centrifuge condition in the range of 20 ∼ 40 nm, and its carrier concentration and mobility were measured at about 7.

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Pressure-sensitive electronic skin composed of a hierarchical structural array exhibits outstanding linear and high sensitivity in the pressure range exerted by gentle touch. By virtue of monolayer graphene acting as electrode material, this device can be operated with low voltage. Especially, its high transparency enables an accurate placement of the device on the target position when it is used for health monitoring.

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ZnO films deposited on SiO2/Si substrate with a graphene single layer (GSL) were studied by using an ultra-high vacuum sputter. The as-prepared films were annealed at temperature ranges from 500 degrees C to 800 degrees C for 1 min under ambient N2 gas. When the annealing temperature was increased up to 800 degrees C, the root mean square roughness of the ZnO/Si sample surface decreased down to 3.

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We determined the mitochondrial genome (mitogenome) of Nautilocaris saintlaurentae, sampled at vent fields of the Tofua Arc in the southwestern Pacific. The genome was 15,928 bp in length and had the typical mitogenome structure of the infraorder Caridea. Its protein-coding genes were very similar to other alvinocaridid species in respect to length, AT content, and start and stop codons.

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Background: Following stroke, patients/clients suffer from significant impairments. However, weakness is the predominant common denominator. Historically, strengthening or high-intensity resistance training has been excluded from neurorehabilitation programs because of the concern that high-exertion activity, including strengthening, would increase spasticity.

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