Effect of optimal operator positioning on transcranial Doppler acquisition: a randomized controlled trial
Théophile Vieux, Tatiana Randriamandimby, Roger Kadji Kalabang, Jérôme Bokobza, Rémi Girerd, Tomislav Petrovic, Frédéric Lapostolle · 2026
Read Effect of optimal operator positioning on transcranial Doppler acquisition: a randomized controlled trial by Théophile Vieux, Tatiana Randriamandimby, Roger Kadji Kalabang, Jérôme Bokobza, Rémi Girerd, Tomislav Petrovic, Frédéric Lapostolle (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-13371448.txt.
Description
Theophile Vieux and co-authors report a 2026 trial on a simple question of body position during a brain scan. The scan uses sound waves through the skull to track blood flow, and where the operator sits may affect speed and image quality. The team tested a fixed seated spot at the patient's head against free choice of position.
Forty four emergency medicine trainees with no prior training in the scan took part across several centers in late 2024. Each scanned both sides of the head, giving 88 measures. The fixed position cut the mean time by about 22 seconds, a clear gain. Image quality scores, judged blind by experts, did not differ between the groups.
Catalog record
| CREATOR | Théophile Vieux, Tatiana Randriamandimby, Roger Kadji Kalabang, Jérôme Bokobza, Rémi Girerd, Tomislav Petrovic, Frédéric Lapostolle |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 26 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |