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Is Tegaderm beneficial for improving image quality and patient discomfort in ocular ultrasound?
USA: Tegaderm, when used for ocular ultrasound, is associated with reduced image quality and no remarkable difference in patient discomfort, a recent study in The American Journal of Emergency Medicine has shown. The findings indicated that ocular ultrasound might be performed better without Tegaderm use.
Studies on ocular point-of-care ultrasound differ on whether gel should be applied directly to the eye or on top of an adhesive membrane (i.e., Tegaderm). However, there needs to be data concerning which approach has the better image quality and the impact of patient preference. In the study conducted by Amy Marks, Rush University Medical Center, Chicago, IL, United States of America, and colleagues, the team sought to address this gap through the assessment of the difference in image quality and patient preference between Tegaderm compared to no Tegaderm for ocular ultrasound in the emergency department.
For this purpose, the patients were randomized to Tegaderm placed on either right or left eye. The other eye served as a control with no Tegaderm. Ultrasound was conducted on the right eye, followed by the left eye in all cases. After performing each ultrasound, patients were asked to rate their maximal discomfort from the ultrasound of that eye by utilizing g a Likert scale (0 = no discomfort; 10 = severe discomfort). The patients were then asked about their preferred side (Tegaderm vs no Tegaderm). Finally, an experienced ultrasound fellowship-trained sonographer reviewed the images and rated them from 1 to 5. Descriptive statistics were used for the analysis of continuous data.
The study led to the following findings:
- The mean image score was significantly worse with Tegaderm compared with no Tegaderm (mean difference: 0.94/5.00). This was consistent in both the transverse and the sagittal plane subgroups.
- The percentage of acceptable images was also higher in the no Tegadermâ„¢ group compared with the Tegadermâ„¢ group (97.8% versus 82.8%).
- The researchers did not observe a statistically significant difference in patient discomfort with the Tegadermâ„¢ versus the no Tegadermâ„¢ group.
- When asked to compare the two approaches, 54.4% of patients preferred Tegadermâ„¢, 30.0% preferred no Tegadermâ„¢, and 15.6% had no preference.
"Tegaderm use reduced image quality, and no significant difference was seen in patient discomfort for ocular ultrasound, suggesting that ocular ultrasound may be performed better without Tegaderm use," the researchers wrote in their study. "Future studies should assess the impact of Tegaderm versus no Tegaderm in more novice users."
Reference:
Marks A, Patel D, Chottiner M, Kayarian F, Peksa GD, Gottlieb M. Covered or uncovered: A randomized control trial of Tegaderm versus no Tegaderm for ocular ultrasound. Am J Emerg Med. 2022 Nov;61:87-89. doi: 10.1016/j.ajem.2022.08.044. Epub 2022 Aug 28. PMID: 36057214.
MSc. Biotechnology
Medha Baranwal joined Medical Dialogues as an Editor in 2018 for Speciality Medical Dialogues. She covers several medical specialties including Cardiac Sciences, Dentistry, Diabetes and Endo, Diagnostics, ENT, Gastroenterology, Neurosciences, and Radiology. She has completed her Bachelors in Biomedical Sciences from DU and then pursued Masters in Biotechnology from Amity University. She has a working experience of 5 years in the field of medical research writing, scientific writing, content writing, and content management. She can be contacted at  editorial@medicaldialogues.in. Contact no. 011-43720751
Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751