The Possibility of blocking the femoral nerve under ultrasound control with the use of the electrical stimulator of the peripheral nerves with small doses of ropivacaine

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Abstract

Goal. The aim of the study is to determine the possibility of using small volumes of ropivacaine for blockade of the femoral nerve performed with the use of an electrostimulator of peripheral nerves under ultrasound.

Materials and methods. 44 blockages of the femoral nerve were performed under ultrasound control with the use of electrical stimulation of the peripheral nerves. In the first group (22 patients), a blockade of the femoral nerve was performed with 10 ml of 0.75% ropivacaine; in the second group (22 patients), 0.75% ropivacaine was used in a volume of 5 ml. Evaluation of the development time of the sensory, motor blocks and the duration of analgesia was carried out from the time the local anesthetic solution was introduced into the fascial sheath of the femoral nerve.

Results. The time of development of the complete sensory block in the 1st and 2nd groups of patients was 21 (20; 24) minutes and 30 (24; 35) minutes (p <0.05). The time of development of the full motor block in the 1st group was 22 (16; 24) minutes; in the second group, 21 (17; 30) minutes (p <0.05). There was no difference in the duration of analgesia in the postoperative period between the groups: 7.75 (7; 8) h and 8 (7.5, 8) h. respectively (p> 0.05).

Conclusion. It has been established that 5 ml of 0.75% solution of ropivacaine is sufficient for effective blockade of the femoral nerve. With a decrease in the effective amount and volume of local anesthetic, there is an increase in the time of development of complete blockade of the femoral nerve without reducing the period of postoperative analgesia.

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About the authors

Valery G. Piacherski

Mogilev Regional Hospital

Author for correspondence.
Email: pechersky.v@yandex.ru
ORCID iD: 0000-0002-6237-8063

Chief of the Department of Anesthesiology and Intensive Care

Belarus, Mogilev

A. V. Marachkou

Mogilev Regional Hospital

Email: pechersky.v@yandex.ru
ORCID iD: 0000-0001-5092-8315
Belarus, Mogilev

References

  1. Piacherski V. Features and principles the spread of local anesthetic blockade of the sciatic nerve at depends on the amount of anesthetic. Open Journal of Anesthesiology. 2014; 2: 31–5.
  2. Piacherski V., Marachkou A. Blockade of the femoral nerve with small doses of local anesthetic. Novosti khirurgii. 2011; 5: 102–5. (In Russ.)
  3. Piacherski V., Marachkou, A. Reducing the Dose of Local Anesthetic Reduces the Duration of Analgesia–Myth or Reality: A Double-Blind Randomized Study. Open Journal of Anesthesiology. 2005; 5: 7–12. doi: 10.4236/ojanes.2015.51002.
  4. Casati, A. Effects of ultrasound guidance on the minimum effective anaesthetic volume required to block the femoral nerve. British Journal of Anaesthesia. 2007; 98 (6): 823–7.
  5. Taha A.M., Abd-Elmaksoud A.M. Ropivacaine in ultrasound-guided femoral nerve block: what is the minimal effective anaesthetic concentration. Anaesthesia. 2014; 69 (7): 678-82. doi: 10.1111/anae.12607. Epub 2014 May 24.
  6. Latzke D., Marhofer P., Zeitlinger M., Machata A., Neumann F., Lackner E., Kettner S.C. Minimal local anaesthetic volumes for sciatic nerve blockade: evaluation of ED99 in volunteers. Br. J. Anaesth. 2010; 104: 239–44. doi: 10.1093/bja/aep368.
  7. Piacherski V., Marachkou A. A Comparison of the Onset Time of Complete Blockade of the Sciatic Nerve in the Application of Ropivacaine and Its Equal Volumes Mixture with Lidocaine: A Double-Blind Randomized Study. Korean Journal of Anesthesiology. 2013; 65: 42-47. http://dx.doi.org/10.4097/kjae.2013.65.1.42
  8. Gauiter P., Vandepitte C., Ramquet C., DeCoopman M., Xu D., Hadzic, A. The Minimum Effective Anesthetic Volume of 0.75% Ropivacaine in Ultrasound-Guided Interscalene Brachial Plexus Block. Anesthesia & Analgesia. 2011; 113: 951–5.

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