Electrophysiologic Study, Hand Anastomosis
Conditions
Brief summary
The common opinion that sensory supply of digit 5 (D5) and medial half of digit 4 (D4) of the hand is by ulnar nerve, while the lateral half of D4 and the remaining digits is by median nerve is an oversimplification of a complex topic. Indeed, the literature demonstrated that both the median and ulnar nerves display a number of deviations to the traditionally taught branching patterns. The aim of our study was to investigate the physiological role of median and ulnar nerves in the sensory supply of D4.
Interventions
Antidromic sensory nerve conduction studies of median and ulnar nerves will be performed on both hands of 30 healthy subjects with no history of previous neuromuscular disease and no abnormalities on neurological examination., by using surface electrical stimulation at wrist and surface digital recording electrodes on both sides of D4.
DEVICEelectromyograph
surface electrical stimulation at wrist and surface digital recording electrodes on both sides of D4.
Sponsors
Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico
Study design
Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
BASIC_SCIENCE
Masking
NONE
Eligibility
Sex/Gender
ALL
Age
24 Years to 60 Years
Healthy volunteers
Yes
Inclusion criteria
* age 24-60 years * male and female * under informed consent * no history of previous neuromuscular disease and no abnormalities on neurological examination
Exclusion criteria
\-
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| analysis of the sensory potential (UV amplitude in MSEC) recorded on both sides of the IV finger of the hand by stimulation of the median nerve and the ulnar one | immediately after the procedure |
| analysis of the sensory potential ( latency in MSEC) recorded on both sides of the IV finger of the hand by stimulation of the median nerve and the ulnar one | immediately after the procedure |
Countries
Italy
Outcome results
None listed