Work-related Injury Clinical Trial
Official title:
Does Proper Patient Handling Technique, Coupled With New Technology, Help Reduce Musculoskeletal Demands of Health Care Workers
Patient handling is a major risk-factor for the development of musculoskeletal injuries in healthcare providers. To have a significant impact on injury reduction related to patient handling will require the incorporation of technology. This project is to investigate a piece of technology that has been designed to facilitate in-bed patient handling: The Vendlet. The purpose of this research project is to assess the ability of the Vendlet system outfitted on a Span-America Medical Systems (SAMS) bed to reduce the physical load on healthcare providers performing patient handling tasks. This evidence-based outcomes will be used to support the mitigation of the Vendlet from the European market into the Canadian market. The SAMS bed is currently available in North America and has several adjustable features to support patient transfer activities. The project will provide a biomechanical comparison of commonly used patient handling techniques performed using a SAMS bed outfitted with and without a Vendlet patient transfer device. This Vendlet technology has the potential to significantly reduce the musculoskeletal and joint strain of healthcare providers while handling patients.
Status | Recruiting |
Enrollment | 30 |
Est. completion date | April 20, 2024 |
Est. primary completion date | March 15, 2024 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 17 Years to 40 Years |
Eligibility | Inclusion Criteria: - One-month history of no pain or injury in the low back or shoulder region. Exclusion Criteria: - Participant received a training on proper patient handling techniques. |
Country | Name | City | State |
---|---|---|---|
Canada | Universite de Moncton | Moncton | New Brunswick |
Lead Sponsor | Collaborator |
---|---|
University of New Brunswick |
Canada,
Budarick AR, Moore C, Fischer SL. Evaluating patient turn effectiveness using turn-assist technologies. J Med Eng Technol. 2020 Jan;44(1):1-11. doi: 10.1080/03091902.2019.1707889. Epub 2020 Jan 15. — View Citation
Jiang Y, Wang D, Ying J, Chu P, Qian Y, Chen W. Design and Preliminary Validation of Individual Customized Insole for Adults with Flexible Flatfeet Based on the Plantar Pressure Redistribution. Sensors (Basel). 2021 Mar 4;21(5):1780. doi: 10.3390/s21051780. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Neuromuscular Activity - Average muscle activation | Eight bilateral muscles will be examined: anterior deltoid [AD], trapezius descendens [TD], biceps brachii [BB], thoracic erector spinae [TES] located at the level of the T9 spinous process, lumbar erector spinae [LES] located at the level of the L3 spinous process, external oblique [EO], rectus femoris [RF], and biceps femoris [BF]. The raw EMG signal will be rectified, and Butterworth low passed filtered (RMS converted) using MATLAB. Peak activity will be found for each muscle during the maximum voluntary contraction (MVC) trials and used to normalize all subsequent EMG data. Therefore, the EMG data will represent a percent change from the participants' MVCs for each muscle, during each patient handling trial. An analysis of the neuromuscular activation changes (%MVC) will be compared during each patient handling technique between 1- SAMS bed (with the Vendlet) vs the SAMS bed (without the Vendlet), and 2- Pre vs Post Intervention. | Pre-Intervention and Post-intervention (within 2 weeks after intervention) | |
Primary | Neuromuscular Activity - Peak muscle activation | Eight bilateral muscles will be examined: anterior deltoid [AD], trapezius descendens [TD], biceps brachii [BB], thoracic erector spinae [TES] located at the level of the T9 spinous process, lumbar erector spinae [LES] located at the level of the L3 spinous process, external oblique [EO], rectus femoris [RF], and biceps femoris [BF]. The raw EMG signal will be rectified, and Butterworth low passed filtered (RMS converted) using MATLAB. Peak activity will be found for each muscle during the maximum voluntary contraction (MVC) trials and used to normalize all subsequent EMG data. Therefore, the EMG data will represent a percent change from the participants' MVCs for each muscle, during each patient handling trial. An analysis of the neuromuscular activation changes (%MVC) will be compared during each patient handling technique between 1- SAMS bed (with the Vendlet) vs the SAMS bed (without the Vendlet), and 2- Pre vs Post Intervention. | Pre-Intervention and Post-intervention (within 2 weeks after intervention) | |
Primary | Motion Capture: To assess postural changes in patient handling technique. | Kinematic coordinates of markers will be gap filled (spline smoothing algorithm) and then filtered using a 2nd order Butterworth low pass filter (cut off frequency of 10Hz). Visual 3D, C-motion software will be used to filter raw kinematic data as well as calculate specific joint angles. 3D movement (flexion/extension, lateral bend, and twist) of the neck, both arms, pelvis, trunk-pelvis, hips, knees, and trunk-thigh will be used in Visual 3D to calculate three-axis joint angles. Visual 3D software will be used to calculate kinematic and kinetic values. The kinematics (joint angles) and kinetics (inverse dynamics) will be compared for each patient handling technique between 1- SAMS bed (with the Vendlet) vs the SAMS bed (without the Vendlet), and 2- Pre vs Post Intervention. | Pre-Intervention and Post-intervention (within 2 weeks after intervention) | |
Primary | Motion Capture: To assess cumulative load forces | Kinematic coordinates of markers will be gap filled (spline smoothing algorithm) and then filtered using a 2nd order Butterworth low pass filter (cut off frequency of 10Hz). Visual 3D, C-motion software will be used to filter raw kinematic data as well as calculate specific joint angles. 3D movement (flexion/extension, lateral bend, and twist) of the neck, both arms, pelvis, trunk-pelvis, hips, knees, and trunk-thigh will be used in Visual 3D to calculate three-axis joint angles. Visual 3D software will be used to calculate kinematic and kinetic values. Visual 3D will also be used to calculate the inverse dynamics of the participants; calculating kinetics will help us determine the force and cumulative load demands of the participant while they handle a patient. The kinematics (joint angles) and kinetics (inverse dynamics) will be compared for each patient handling technique between 1- SAMS bed (with the Vendlet) vs the SAMS bed (without the Vendlet), and 2- Pre vs Post Intervention. | Pre-Intervention and Post-intervention (within 2 weeks after intervention) | |
Primary | Motion Capture: To assess joint angles | Kinematic coordinates of markers will be gap filled (spline smoothing algorithm) and then filtered using a 2nd order Butterworth low pass filter (cut off frequency of 10Hz). Visual 3D, C-motion software will be used to filter raw kinematic data as well as calculate specific joint angles. 3D movement (flexion/extension, lateral bend, and twist) of the neck, both arms, pelvis, trunk-pelvis, hips, knees, and trunk-thigh will be used in Visual 3D to calculate three-axis joint angles. Visual 3D software will be used to calculate kinematic and kinetic values. The kinematics (joint angles) and kinetics (inverse dynamics) will be compared for each patient handling technique between 1- SAMS bed (with the Vendlet) vs the SAMS bed (without the Vendlet), and 2- Pre vs Post Intervention. | Pre-Intervention and Post-intervention (within 2 weeks after intervention) | |
Primary | Foot Pressure Distribution: Peak pressure will be the outcome measure of interest to assess postural balance and stability of the participant performing the patient handling technique. | The Xsensor FOOT and GAIT software (Xsensor, Calgary, AB, Canada) will be used to measure the peak pressure in each section of the patient's sole and plantar contact area during each patient handling techniques. To study the pressure variations in greater detail, the foot data will be subdivided into the following : 1- the toe (T); 2- the metatarsals (M) separated into three parts (metatarsal 1: M1, metatarsal 2&3: M2, metatarsal 4&5: M3); 3- the midfoot (MF); and 4- the heel (H) separated into two parts (medial heel: MH, and lateral heel: LH) . Peak pressure values will also be assessed for each section of the foot during each patient handling techniques. The foot pressure distribution outcomes will be compared between each patient handling technique between 1- SAMS bed (with the Vendlet) vs the SAMS bed (without the Vendlet), and 2- Pre vs Post Intervention. | Post-intervention (within 2 weeks after intervention) | |
Primary | Foot Pressure Distribution: Contact area will be the outcome measure of interest to assess postural balance and stability of the participant performing the patient handling technique. | The Xsensor FOOT and GAIT software (Xsensor, Calgary, AB, Canada) will be used to measure the peak pressure in each section of the patient's sole and plantar contact area during each patient handling techniques. To study the pressure variations in greater detail, the foot data will be subdivided into the following : 1- the toe (T); 2- the metatarsals (M) separated into three parts (metatarsal 1: M1, metatarsal 2&3: M2, metatarsal 4&5: M3); 3- the midfoot (MF); and 4- the heel (H) separated into two parts (medial heel: MH, and lateral heel: LH). Peak pressure values will also be assessed for each section of the foot during each patient handling techniques. The foot pressure distribution outcomes will be compared between each patient handling technique between 1- SAMS bed (with the Vendlet) vs the SAMS bed (without the Vendlet), and 2- Pre vs Post Intervention. | Post-intervention (within 2 weeks after intervention) | |
Primary | Bed Pressure Distribution: Average pressure distribution will be outcome measures to assess the safe placement of the patient. | Bed Pressure Distribution will be considered in four body regions at two-time points on both beds. The body regions include the right and left regions of the back (including the shoulders and upper back) and the right and left areas of the pelvis (hips). These regions will be compared at two separate time points: the initial participant position (lying supine prior to any patient handling technique) and the final participant position (once the patient handling technique is completed). At each timepoint, pressure-related outcome measures will be computed for each task. Contact area (in2), average pressure on contact area (mmHg), and peak pressure will be among the outcome measures (mmHg). The bed pressure distribution outcomes will be compared between each patient handling technique between 1- SAMS bed (with the Vendlet) vs the SAMS bed (without the Vendlet), and 2- Pre vs Post Intervention. | Pre-Intervention and Post-intervention (within 2 weeks after intervention) | |
Primary | Bed Pressure Distribution: Peak pressure distribution will be outcome measures to assess the safe placement of the patient. | Bed Pressure Distribution will be considered in four body regions at two-time points on both beds. The body regions include the right and left regions of the back (including the shoulders and upper back) and the right and left areas of the pelvis (hips). These regions will be compared at two separate time points: the initial participant position (lying supine prior to any patient handling technique) and the final participant position (once the patient handling technique is completed). At each timepoint, pressure-related outcome measures will be computed for each task. Contact area (in2), average pressure on contact area (mmHg), and peak pressure will be among the outcome measures (mmHg). The bed pressure distribution outcomes will be compared between each patient handling technique between 1- SAMS bed (with the Vendlet) vs the SAMS bed (without the Vendlet), and 2- Pre vs Post Intervention. | Pre-Intervention and Post-intervention (within 2 weeks after intervention) | |
Secondary | Self Reported Questionnaires | Rate of Perceived Discomfort (RPD) questionnaire used to quantify participants perceived discomfort while performing a patient handling technique. The RPD is a self-reported questionnaire with a 100-point visual analogue scale that indicates the level of discomfort relative to specific body parts. | Pre-Intervention and Post-intervention (within 2 weeks after intervention) | |
Secondary | Exit Survey | At the end of each patient handling techniques (with and without the Vendlet) a second questionnaire will be used to quantify bed preference, by asking the participants: Which bed did you prefer while performing the patient handling technique? | Pre-Intervention and Post-intervention (within 2 weeks after intervention) | |
Secondary | Rating of Perceived Exertion (RPE) | The Rating of Perceived Exertion (RPE) questionnaire is a modified Borg Scale to quantify effort (CSEP-SCPE, 2023). The modified Borg Scale is a 0-10 scale where 0 correspond to "Very Light Activity", and 10 correspond to "Maximum Effort". | Pre-Intervention and Post-intervention (within 2 weeks after intervention) |
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