H versus V hallux blocks

NewsBot · Sep 21, 2020

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Frost Technique H versus Technique V in Anesthetic
Block of the First Toe: A Comparative Study.
Sergi Sanchez et al
Source

Blackground
This study aims to compare 2 methods of anesthetic block in the rst toe in patients with
onychocryptosis.
Methods
A total of 70 ingrown toenails of the rst toe in 59 patients underwent a digital anesthetic block using the
V technique, while 70 ingrown toenails of the rst toe in 57 patients underwent a digital anesthetic block
using the H technique. As study variables, the effectiveness of the anesthetic block of the rst toe was
evaluated at 10 and 20 minutes after each of the techniques.
Results
An anesthetic block ecacy of 58.6% was observed at 10 minutes and 85.7% at 20 minutes in group V
technique, while technique H observed ecacy at 10 minutes. 51.4% and 72.9% and at 20 minutes.
Conclusions
Technique V appears to be superior to technique H by 7.2% at 10 minutes and 12.8% at 20 minutes after
anesthetic block.
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