Dataset Information

Hemodynamic Tolerance of Virtual Reality Intradialysis Exercise Performed during the Last 30 Minutes versus the Beginning of the Hemodialysis Session.

ABSTRACT: Background: Exercise improves the physical function of people suffering from chronic kidney disease on hemodialysis (HD). Virtual reality is a new type of intradialysis exercise that has a positive impact on physical function. Intradialysis exercise is recommended during the first 2 h, but its safety in the last part of the dialysis session is unknown. Methods: This was a pilot sub-study of a clinical trial. Several hemodynamic control variables were recorded, including blood pressure, heart rate, and intradialytic hypotensive events. These variables were recorded during three different HD sessions, one HD session at rest, another HD session with exercise during the first two hours, and one HD session with exercise during the last 30 min of dialysis. The intradialysis virtual reality exercise was performed for a maximum of 30 min. Results: During exercise sessions, there was a significant increase in heart rate (6.65 (4.92, 8.39) bpm; p < 0.001) and systolic blood pressure (6.25 (0.04,12.47) mmHg; p < 0.05). There was no difference in hemodynamic control between the sessions with exercise during the first two hours and the sessions with exercise during the last 30 min. There was no association between intra-dialytic hypotensive events at rest (five events) or exercise at any point (two vs. one event(s), respectively). Conclusion: performing exercise with virtual reality at the end of a hemodialysis session is not associated with hemodynamic instability.

SUBMITTER: Garcia-Testal A

PROVIDER: S-EPMC9818851 | biostudies-literature | 2022 Dec

REPOSITORIES: biostudies-literature

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Hemodynamic Tolerance of Virtual Reality Intradialysis Exercise Performed during the Last 30 Minutes versus the Beginning of the Hemodialysis Session.

García-Testal Alicia A Martínez-Olmos Francisco José FJ Gil-Gómez Jose Antonio JA López-Tercero Víctor V Lahoz-Cano Laura L Hervás-Marín David D Cana-Poyatos Alicia A García-Maset Rafael R Royo-Maicas Pilar P Segura-Ortí Eva E

Healthcare (Basel, Switzerland) 20221227 1

Background: Exercise improves the physical function of people suffering from chronic kidney disease on hemodialysis (HD). Virtual reality is a new type of intradialysis exercise that has a positive impact on physical function. Intradialysis exercise is recommended during the first 2 h, but its safety in the last part of the dialysis session is unknown. Methods: This was a pilot sub-study of a clinical trial. Several hemodynamic control variables were recorded, including blood pressure, heart rat ...[more]

PMID: 36611539

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Project description:Background and objectivesThere is a renewed interest in the successful use of aminoglycosides due to increasing resistance in gram-negative infections. Few studies to date have examined the pharmacokinetics (PK) of intradialytic infusions of tobramycin. This study sought to characterize the pharmacokinetic profile of intradialytically administered tobramycin in infected patients receiving chronic intermittent hemodialysis and to determine whether it is possible to achieve favorable PK targets.Design setting participants and measurementsIn this prospective pharmacokinetic study, a single dose (5 mg/kg) of tobramycin was administered intradialytically to 11 noncritically ill patients undergoing chronic intermittent hemodialysis. Blood samples were collected at selected time to determine tobramycin serum concentrations. The PK analysis was performed using Phoenix™ NLME. The efficacy exposure outcome for nonsevere gram-negative infections sensitive to tobramycin with a minimum inhibitory concentration ≤1 were maximum concentration (Cmax ≥ 10 mg/L) and area under the curve (AUC24 h > 30 mg⋅h/L). For toxicity, the goal was to identify plasma trough concentrations <2 mg/L.ResultsTobramycin disposition was best described by a one-compartment model using a total clearance composed of the systemic clearance and a transitory hemodialysis clearance. Tobramycin mean (SD) Cmax, trough levels, and AUC24h were 13.1 (1.3) mg/L, 1.32 (0.47) mg/L, and 61 (23) mg⋅h/L, respectively. Monte Carlo simulation run with 1000 virtual patients showed that a 5 mg/kg dose of tobramycin administered intradialytically can outperformed the usual low-dose postdialysis dosing (80% meeting all targets versus <1%, respectively).ConclusionsA single high dose of tobramycin can achieve favorable PK outcome when administered using intradialytic infusions in hemodialysis patients. This practical dosing regimen may represent an effective and safer alternative to the usual dosing in the treatment of nonsevere gram-negative infections.

Project description:BackgroundVirtual reality (VR) is an evolving technology that is becoming a common treatment for pain management and psychologic phobias. Although nonimmersive devices (e.g., the Nintendo Wii) have been previously tested with patients on hemodialysis, no studies to date have used fully immersive VR as a tool for intervention delivery. This pilot trial tests the initial safety, acceptability, and utility of VR during maintenance hemodialysis treatment sessions-particularly, whether VR triggers motion sickness that mimics or negatively effects treatment-related symptoms (e.g., nausea).MethodsPatients on hemodialysis (n=20) were enrolled in a phase 1 single-arm proof-of-concept trial. While undergoing hemodialysis, participants were exposed to our new Joviality VR program. This 25-minute program delivers mindfulness training and guided meditation using the Oculus Rift head-mounted display. Participants experienced the program on two separate occasions. Before and immediately after exposure, participants recorded motion-related symptoms and related discomfort on the Simulator Sickness Questionnaire. Utility measures included the end-user's ability to be fully immersed in the virtual space, interact with virtual objects, find hardware user friendly, and easily navigate the Joviality program with the System Usability Scale.ResultsMean age was 55.3 (±13.1) years; 80% male; 60% Black; and mean dialysis vintage was 3.56 (±3.75) years. At the first session, there were significant decreases in treatment and/or motion-related symptoms after VR exposure (22.6 versus 11.2; P=0.03); scores >20 indicate problematic immersion. Hemodialysis end-users reported high levels of immersion in the VR environment and rated the software easy to operate, with average System Usability Scale scores of 82.8 out of 100.ConclusionsPatients on hemodialysis routinely suffer from fatigue, nausea, lightheadedness, and headaches that often manifest during their dialysis sessions. Our Joviality VR program decreased symptom severity without adverse effects. VR programs may be a safe platform to improve the experience of patients on dialysis.

Dataset Information

Hemodynamic Tolerance of Virtual Reality Intradialysis Exercise Performed during the Last 30 Minutes versus the Beginning of the Hemodialysis Session.

Publications

Hemodynamic Tolerance of Virtual Reality Intradialysis Exercise Performed during the Last 30 Minutes versus the Beginning of the Hemodialysis Session.

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