Publications by authors named "Ivar Mendez"

Introduction: The rapid evolution and implementation of virtual care technologies for clinical use often exceeds the development of standardized implementation protocols, leading to gaps in the equitable and sustainable adoption of virtual care services, particularly in rural and remote areas. This paper introduces a comprehensive evaluation tool designed to assess community capacity and readiness for virtual care.

Methods: The development of the tool was informed by experiences from the Virtual Care and Robotics Program at the University of Saskatchewan.

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Article Synopsis
  • Remote presence robotic tele-presentation is a technology that enables healthcare providers to treat patients remotely in rural and remote areas through robotic devices.
  • A review of six studies indicated high satisfaction rates among patients and healthcare professionals, with many patients receiving care in their home communities instead of having to travel to urban centers.
  • The evidence suggests that this approach is both safe and cost-effective, as it can reduce the need for patient transfers to larger hospitals while providing adequate medical services and imaging in certain cases.
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Access to antenatal ultrasound is limited in low-income countries such as Ethiopia. Virtual care platforms that facilitate supervision and mentoring for ultrasound scanning may improve patient access by facilitating task-sharing of antenatal ultrasound with midlevel providers. The purpose of this study was to assess the feasibility of a large volume tele-ultrasound program in Ethiopia, its impact on antenatal care (ANC) and patient access, and its sustainability as it transitioned from a pilot project to a continuing clinical program.

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Introduction: Ultrasound imaging is an important aspect of antenatal care, though access to antenatal ultrasound imaging is limited in many developing countries. The objective of this study was to evaluate a pilot programme which aimed to improve access to antenatal ultrasound for rural Ethiopians through enhanced training of healthcare providers (including midwives, nurses and clinical officers) with support remotely provided by obstetricians using a tele-ultrasound platform.

Methods: Thirteen healthcare providers in the North Shoa Zone in Ethiopia completed training to enable them to perform antenatal ultrasound with the remote supervision of an obstetrician via a tele-ultrasound platform.

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Introduction: Telerobotic ultrasound technology allows radiologists and sonographers to remotely provide ultrasound services in underserved areas. This study aimed to compare costs associated with using telerobotic ultrasound to provide ultrasound services in rural and remote communities to costs associated with alternate models.

Methods: A cost-minimization approach was used to compare four ultrasound service delivery models: telerobotic ultrasound (Model 1), telerobotic ultrasound and an itinerant sonographer (Model 2), itinerant sonographer without telerobotic ultrasound (Model 3), and travel to another community for all exams (Model 4).

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Rural injured workers requiring multidisciplinary assessments for musculoskeletal disorders face health access disparities, which include travel to urban centers. Virtual care can enhance access to multidisciplinary team care for musculoskeletal conditions in rural areas. A retrospective chart audit of 136 multidisciplinary assessment reports of injured workers was conducted.

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Objective: Patients living in many rural and remote areas do not have readily available access to ultrasound services because of a lack of sonographers and radiologists in these communities. The objective of this study was to determine the feasibility of using telerobotic ultrasound to establish a service delivery model to remotely provide access to diagnostic ultrasound in rural and remote communities.

Methods: Telerobotic ultrasound clinics were developed in three remote communities more than 500 km away from our academic medical center.

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Objective: Ultrasound is one of the most commonly used imaging modalities, though some populations face barriers in accessing ultrasound services, potentially resulting in disparities in utilization. The objective of this study was to assess the association between sociodemographic and geographic factors and non-obstetrical ultrasound utilization in the province of Saskatchewan, Canada.

Methods: All non-obstetrical ultrasound exams performed from 2014 to 2018 in Saskatchewan, Canada were retrospectively identified from province-wide databases.

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Rationale And Objectives: Obstetrical ultrasound imaging is an important part of prenatal care, though not all patients have readily available access to ultrasound services. This study aimed to assess the association between sociodemographic and geographic factors and (1) having a second trimester complete obstetrical ultrasound and (2) overall obstetrical ultrasound utilization.

Methods: All pregnancies and obstetrical ultrasound exams billed from 2014-2018 in Saskatchewan, Canada were identified from province-wide databases.

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Ultrasound imaging is an essential component of healthcare services. This study sought to explore perceptions of access, and factors which shape access, to ultrasound imaging in two northern, remote, Indigenous communities in Canada. Using interpretive description as a methodological approach and a multi-dimensional conceptualisation of access to care as a theoretical framework, 15 semi-structured interviews were conducted in the northern Canadian communities of Stony Rapids and Black Lake, Saskatchewan.

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Concussion is a form of traumatic brain injury that affects thousands of children and adolescents across Canada annually. With timely access to comprehensive medical care, the majority of patients with acute concussion will recover within 1-4 weeks. Those who develop persistent post-concussion symptoms often benefit from early recognition and referral to multi-disciplinary concussion clinics that have the personnel and resources to meet their complex needs.

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Introduction: Obstetrical ultrasound imaging is critical in identifying at-risk pregnancies and informing clinical management. The coronavirus disease 2019 (COVID-19) pandemic has exacerbated challenges in accessing obstetrical ultrasound for patients in underserved rural and remote communities where this service is not available. This prospective descriptive study describes our experience of providing obstetrical ultrasound services remotely using a telerobotic ultrasound system in a northern Canadian community isolated due to a COVID-19 outbreak.

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Access to sonographers and sonologists is limited in many communities around the world. Telerobotic sonography (robotic ultrasound) is a new technology to increase access to sonography, providing sonographers and sonologists the ability to manipulate an ultrasound probe from a distant location and remotely perform ultrasound examinations. This narrative review discusses the development of telerobotic ultrasound systems, clinical studies evaluating the feasibility and diagnostic accuracy of telerobotic sonography, and emerging use of telerobotic sonography in clinical settings.

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The cost of providing health care in northern Canada is higher than the rest of Canada. Telehealth has the potential to reduce health care expenditures. Yet this is still underutilised in Canada and globally.

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Background: The Canada Health Act requires reasonable access to all medically necessary therapies. No information is available to assess the current access to neuromodulation across Canada. This study quantifies the current rate of deep brain stimulation (DBS) for the entire country of Canada.

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Objectives: To determine the feasibility of a telerobotic approach to remotely perform prenatal sonographic examinations.

Methods: Thirty participants were prospectively recruited. Participants underwent a limited examination (assessing biometry, placental location, and amniotic fluid; n = 20) or a detailed examination (biometry, placental location, amniotic fluid, and fetal anatomic survey; n = 10) performed with a conventional ultrasound system.

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Background: Spatial 3-dimensional understanding of the brain is essential to learning neuroanatomy, and 3-dimensional learning techniques have been proposed as tools to enhance neuroanatomy training. The aim of this study was to examine the impact of immersive virtual-reality neuroanatomy training and compare it to traditional paper-based methods.

Methods: In this randomized controlled study, participants consisted of first- or second-year medical students from the University of Saskatchewan recruited via email and posters displayed throughout the medical school.

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Background: Providing acutely ill children in isolated communities access to specialized care is challenging. This study aimed to evaluate remote presence robotic technology (RPRT) for enhancing pediatric remote assessments, expediting initiation of treatment, refining triaging, and reducing the need for transport.

Methods: We conducted a pilot prospective observational study at a primary/urgent care clinic in an isolated northern community.

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Purpose: The study sought to assess the feasibility of performing adult abdominal examinations using a telerobotic ultrasound system in which radiologists or sonographers can control fine movements of a transducer and all ultrasound settings from a remote location.

Methods: Eighteen patients prospectively underwent a conventional sonography examination (using EPIQ 5 [Philips] or LOGIQ E9 [GE Healthcare]) followed by a telerobotic sonography examination (using the MELODY System [AdEchoTech] and SonixTablet [BK Ultrasound]) according to a standardized abdominal imaging protocol. For telerobotic examinations, patients were scanned remotely by a sonographer 2.

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The purpose of this case study was to evaluate the delivery of an inter-professional (IP) spinal triage management approach to chronic back disorders using remote presence robotic technology as an innovative form of telerehabilitation in a northern Saskatchewan community. The IP team, consisting of a local nurse practitioner (NP) and a physical therapist in an urban centre, completed a comprehensive neuromusculoskeletal assessment of, and one follow-up visit with, a post-surgical spinal patient. Treatment included detailed education regarding self-management after spinal surgery, provision and progression of home exercises, and reassurance.

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The application of stem cell transplants in clinical practice has increased in frequency in recent years. Many of the stem cell transplants in neurologic diseases, including stroke, Parkinson disease, spinal cord injury, and demyelinating diseases, are unproven-they have not been tested in prospective, controlled clinical trials and have not become accepted therapies. Stem cell transplant procedures currently being carried out have therapeutic aims, but are frequently experimental and unregulated, and could potentially put patients at risk.

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To determine the long-term health and function of transplanted dopamine neurons in Parkinson's disease (PD) patients, the expression of dopamine transporters (DATs) and mitochondrial morphology were examined in human fetal midbrain cellular transplants. DAT was robustly expressed in transplanted dopamine neuron terminals in the reinnervated host putamen and caudate for at least 14 years after transplantation. The transplanted dopamine neurons showed a healthy and nonatrophied morphology at all time points.

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Objective: To evaluate the feasibility of remote presence for improving the health of residents in a remote northern Inuit community.

Study Design: A pilot study assessed patient's, nurse's and physician's satisfaction with and the use of the remote presence technology aiding delivery of health care to a remote community. A preliminary cost analysis of this technology was also performed.

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