Effects of ultrasound guidance on the minimum effective anaesthetic volume required to block the femoral nerve.

@article{Casati2007EffectsOU,
  title={Effects of ultrasound guidance on the minimum effective anaesthetic volume required to block the femoral nerve.},
  author={Andrea Casati and Marco Baciarello and Simone Di Cianni and Giorgio Francesco Danelli and Gennaro De Marco and S. Leone and Maria Rossi and Guido Fanelli},
  journal={British journal of anaesthesia},
  year={2007},
  volume={98 6},
  pages={
          823-7
        }
}
BACKGROUND We tested the hypothesis that ultrasound guidance may reduce the minimum effective anaesthetic volume (MEAV50) of ropivacaine 0.5% required to block the femoral nerve compared with nerve stimulation guidance. METHODS After standard premedication and sciatic nerve block were given, 60 patients undergoing knee arthroscopy were randomly allocated to receive a femoral nerve block with ropivacaine 0.5% using either nerve stimulation (group NS, n = 30) or ultrasound (group US, n = 30… 
View on PubMed
bjanaesthesia.org
260 Citations
Highly Influential Citations
7
Background Citations
44
Methods Citations
13
Results Citations
3

260 Citations

Citation Type

Citation Type

The Effects of Ultrasound Guidance and Neurostimulation on the Minimum Effective Anesthetic Volume of Mepivacaine 1.5% Required to Block the Sciatic Nerve Using the Subgluteal Approach
TLDR
US provided a 37% reduction in the MEAV50 of 1.5% mepivacaine required to block the sciatic nerve compared with NS, and ultrasound (US) guidance may reduce the minimum effective anesthetic volume required.
Lidocaine use in ultrasound-guided femoral nerve block: what is the minimum effective anaesthetic concentration (MEAC90)?
TLDR
The mean MEAC90, the minimum effective anaesthetic concentrations of lidocaine required to block the femoral nerve under ultrasound (US) guidance in 90% of patients, was estimated to be 0.93% w/v.
Minimal Local Anesthetic Volume for Peripheral Nerve Block: A New Ultrasound-Guided, Nerve Dimension-Based Method
TLDR
A mean volume of 0.7 mL represents the ED95 dose of 1% mepivacaine to block the ulnar nerve at the proximal forearm based on the ultrasound measured cross-sectional area and using ultrasound guidance.
Minimum Effective Anaesthetic Volume of 0.5% Ropivacaine for Ultrasound-Guided Popliteal Sciatic Nerve Block in Patients Undergoing Foot and Ankle Surgery: Determination of ED50 and ED95
TLDR
The up-and-down method was used to determine the minimum effective anaesthetic volume of 0.5% ropivacaine necessary for US-guided popliteal sciatic nerve block to achieve successful surgical anaesthesia for foot and ankle surgery.
Ropivacaine in ultrasound‐guided femoral nerve block: what is the minimal effective anaesthetic concentration (EC90)?
TLDR
The minimal effective ropivacaine concentration was estimated to be 0.167% w/v (95% CI 0.14–0.184%).
Determination of the minimum effective volume of 0.5% bupivacaine for ultrasound-guided axillary brachial plexus block.
Minimum Effective Volume of 0.75% Ropivacaine for Ultrasound-Guided Axillary Brachial Plexus Block
TLDR
Ultrasound guidance reduces the dosage of local anesthetic drugs to be used and provides surgical anesthesia without any complications or adverse effects in ultrasound-guided axillary brachial plexus block.
Minimum effective volume of 0.5% bupivacaine with epinephrine in ultrasound-guided interscalene brachial plexus block.
TLDR
Adequate postoperative analgesia and a reduced incidence of diaphragmatic block can be obtained using from 2.34 to 4.29 ml, according to the MEV(90), which is based on the outcome of the preceding block.
Ultrasound vs nerve stimulation multiple injection technique for posterior popliteal sciatic nerve block
TLDR
Ultrasound guidance reduced the time needed for block performance and procedural pain and was associated with less procedural pain.
Minimum effective concentration of bupivacaine for axillary brachial plexus block guided by ultrasound.
...
1
2
3
4
5
...

References

SHOWING 1-10 OF 23 REFERENCES
Ultrasonographic Guidance Improves Sensory Block and Onset Time of Three-in-One Blocks
TLDR
It is concluded that an US-guided approach for 3-in-1 block reduces the onset time, improves the quality of the sensory block and minimizes the risks associated with this regional anesthetic technique.
Ultrasonographic Guidance Reduces the Amount of Local Anesthetic for 3‐in‐1 Blocks
What Is the Minimum Effective Volume of Local Anesthetic Required for Sciatic Nerve Blockade? A Prospective, Randomized Comparison Between a Popliteal and a Subgluteal Approach
TLDR
It is concluded that a larger volume of local anesthetic is necessary to block the sciatic nerve at a more distal site (popliteal approach) as compared with a more proximal level (subgluteal approach).
Ultrasound Guidance Speeds Execution and Improves the Quality of Supraclavicular Block
TLDR
It is concluded that ultrasound-guided neurostimulator-confirmed supraclavicular block is more rapidly performed and provides a more complete block than supr ACL block using anatomic landmarks and neurostimulation.
Minimum Local Anesthetic Volume Blocking the Femoral Nerve in 50% of Cases: A Double-Blinded Comparison Between 0.5% Ropivacaine and 0.5% Bupivacaine
TLDR
Despite the 40% reduction in the analgesic potency of ropivacaine reported during epidural analgesia for labor pain, results of this prospective, randomized, double-blinded study demonstrated that the same volume of 0.5% ropavacaine or 0.
The Effects of Single or Multiple Injections on the Volume of 0.5% Ropivacaine Required for Femoral Nerve Blockade
TLDR
It is concluded that searching for multiple muscular twitches reduces the volume of 0.5% ropivacaine required to produce blockade of the femoral nerve.
Ultrasound guidance in regional anaesthesia.
TLDR
The reader is introduced to the theory and practice of ultrasound-guided anaesthetic techniques in adults and children and considers their enormous potential to have a role in the future training of anaesthetists.
Extent of Blockade with Various Approaches to the Lumbar Plexus
TLDR
The extent of blockade when four different techniques were used for blocking the lumbar plexus was prospectively evaluated in 80 adult patients by testing motor function of all nerves except the lateral and posterior femoral cutaneous nerves, which were evaluated by pinprick response.
Perivascular Axillary Block I: Blockade Following 40 ml 1 % Mepivacaine with Adrenaline
TLDR
The frequency of analgesia in the three areas of innervation was analysed with reference to the influence of the age, height and weight of the patient, and of differences in technique: paraesthesias, position of catheter, and unintended puncture of blood vessels.
The Sensitivity of Motor Response to Nerve Stimulation and Paresthesia for Nerve Localization As Evaluated by Ultrasound
...
1
2
3
...