Dataset Information

Can Untrained Patients Perform Their Own Skin and Soft Tissue Ultrasound Examination by Teleguidance?

ABSTRACT: Objectives: This pilot study aims to determine if patients untrained in performing ultrasound can self-scan to obtain images under remote clinician teleguidance during a simulated telehealth encounter. This study also seeks to describe the patients' comfort level and barriers to performing an ultrasound examination on themselves using a handheld ultrasound device. Methods: This was a single center prospective observational cohort study conducted over a 4-month period in 2021. Patients were eligible if they had no prior training in the use of ultrasound and in the use of teleguidance. They voluntarily consented to participate at a single ambulatory internal medicine clinic. Results: 20 participants were enrolled and underwent teleguidance to ultrasound their own skin and soft tissues at the antecubital fossae. Six second video clips were evaluated by 2 subject matter experts using the Point of Care Ultrasound Image Quality scale. A score >7 was considered adequate for diagnostic interpretation. The average score was 10.15/14, with a minimum score of 5/14, and maximum score of 14/14 and a standard deviation (SD) of 2.39 using a two tailed Z-score. Setting alpha at 0.05 the 95% CI was (5.47-14.83). Conclusion: In a pilot study of 20 participants with no ultrasound experience, untrained healthy volunteers were able to perform technically acceptable and interpretable ultrasound scans using teleguidance by a trained clinician.

SUBMITTER: Saati A

PROVIDER: S-EPMC10721299 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature

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Can Untrained Patients Perform Their Own Skin and Soft Tissue Ultrasound Examination by Teleguidance?

Saati Ammar A Au Arthur A Joshi Aditi U AU Davis Rebecca R West Frances Mae FM Lewiss Resa E RE

POCUS journal 20231127 2

<b>Objectives:</b> This pilot study aims to determine if patients untrained in performing ultrasound can self-scan to obtain images under remote clinician teleguidance during a simulated telehealth encounter. This study also seeks to describe the patients' comfort level and barriers to performing an ultrasound examination on themselves using a handheld ultrasound device. <b>Methods:</b> This was a single center prospective observational cohort study conducted over a 4-month period in 2021. Patie ...[more]

PMID: 38099176

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Project description:BackgroundThe morbidity and treatment costs associated with skin and soft tissue infections (SSTIs) are high. Linezolid and vancomycin are antibiotics that are commonly used in treating skin and soft-tissue infections, specifically those infections due to methicillin-resistant Staphylococcus aureus (MRSA).ObjectivesTo compare the effects and safety of linezolid and vancomycin for treating people with SSTIs.Search methodsFor this first update of this review we conducted searches of the following databases: Cochrane Wounds Group Specialised Register (searched 24 March 2015; The Cochrane Central Register of Controlled Trials (CENTRAL) (The Cochrane Library); Ovid MEDLINE; Ovid MEDLINE (In-Process & Other Non-Indexed Citations); Ovid EMBASE; and EBSCO CINAHL. We also contacted manufacturers for details of unpublished and ongoing trials. We scrutinised citations within all obtained trials and major review articles to identify any additional trials.Selection criteriaWe included all randomised controlled trials (RCTs) comparing linezolid with vancomycin in the treatment of SSTIs.Data collection and analysisTwo review authors independently selected trials, assessed risk of bias and extracted data. The primary outcomes were clinical cure, microbiological cure, and SSTI-related and treatment-related mortality. We performed subgroup analyses according to age, and whether the infection was due to MRSA.Main resultsNo new trials were identified for this first update. We included nine RCTs (3144 participants). Linezolid was associated with a significantly better clinical (RR 1.09, 95% CI 1.03 to 1.16) and microbiological cure rate in adults (RR 1.08, 95% CI 1.01 to 1.16). For those infections due to MRSA, linezolid was significantly more effective than vancomycin in clinical (RR 1.09, 95% CI 1.03 to 1.17) and microbiological cure rates (RR 1.17, 95% CI 1.04 to 1.32). No RCT reported SSTI-related and treatment-related mortality. There was no significant difference in all-cause mortality between linezolid and vancomycin (RR 1.44, 95% CI 0.75 to 2.80). There were fewer incidents of red man syndrome (RR 0.04, 95% CI 0.01 to 0.29), pruritus (RR 0.36, 95% CI 0.17 to 0.75) and rash (RR 0.27, 95% CI 0.12 to 0.58) in the linezolid group compared with vancomycin, however, more people reported thrombocytopenia (RR 13.06, 95% CI 1.72 to 99.22), and nausea (RR 2.45, 95% CI 1.52 to 3.94) when treated with linezolid. It seems, from the available data, that length of stay in hospital was shorter for those in the linezolid group than the vancomycin group. The daily cost of outpatient therapy was less with oral linezolid than with intravenous vancomycin. Although inpatient treatment with linezolid cost more than inpatient treatment with vancomycin per day, the median length of hospital stay was three days shorter with linezolid. Thus, total hospital charges per patient were less with linezolid treatment than with vancomycin treatment.Authors' conclusionsLinezolid seems to be more effective than vancomycin for treating people with SSTIs, including SSTIs caused by MRSA. The available evidence is at high risk of bias and is based on studies that were supported by the pharmaceutical company that makes linezolid. Further well-designed, independently-funded, RCTs are needed to confirm the available evidence.

Project description:Using a perfusion decellularization protocol, we developed a decellularized skin/adipose tissue flap (DSAF) comprising extracellular matrix (ECM) and intact vasculature. Our DSAF had a dominant vascular pedicle, microcirculatory vascularity, and a sensory nerve network and retained three-dimensional (3D) nanofibrous structures well. DSAF, which was composed of collagen and laminin with well-preserved growth factors (e.g., vascular endothelial growth factor, basic fibroblast growth factor), was successfully repopulated with human adipose-derived stem cells (hASCs) and human umbilical vein endothelial cells (HUVECs), which integrated with DSAF and formed 3D aggregates and vessel-like structures in vitro. We used microsurgery techniques to re-anastomose the recellularized DSAF into nude rats. In vivo, the engineered flap construct underwent neovascularization and constructive remodeling, which was characterized by the predominant infiltration of M2 macrophages and significant adipose tissue formation at 3months postoperatively. Our results indicate that DSAF co-cultured with hASCs and HUVECs is a promising platform for vascularized soft tissue flap engineering. This platform is not limited by the flap size, as the entire construct can be immediately perfused by the recellularized vascular network following simple re-integration into the host using conventional microsurgical techniques.Statement of significanceSignificant soft tissue loss resulting from traumatic injury or tumor resection often requires surgical reconstruction using autologous soft tissue flaps. However, the limited availability of qualitative autologous flaps as well as the donor site morbidity significantly limits this approach. Engineered soft tissue flap grafts may offer a clinically relevant alternative to the autologous flap tissue. In this study, we engineered vascularized soft tissue free flap by using skin/adipose flap extracellular matrix scaffold (DSAF) in combination with multiple types of human cells. Following vascular reanastomosis in the recipient site, the engineered products successful regenerated large-scale fat tissue in vivo. This approach may provide a translatable platform for composite soft tissue free flap engineering for microsurgical reconstruction.

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Can Untrained Patients Perform Their Own Skin and Soft Tissue Ultrasound Examination by Teleguidance?

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Can Untrained Patients Perform Their Own Skin and Soft Tissue Ultrasound Examination by Teleguidance?

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