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Peripheral nerve block for leg amputation in a high risk patientꓽ Case report

  • Sofia Papantonaki1
  • Aikaterini Lappa1
  • Maria Dermitzaki2
  • Athanasia Dragatsiki2
  • Stavros.Chochlidakis3

1Anaesthesiologist Consultant General Hospital of Agios Nikolaos, Lasithi, Crete, Greece

2Nurse of anaesthesiologist department of General Hospital of Agios Nikolaos, Lasithi, Crete, Greece

3Consultant Orthopedic of General Hospital of Agios Nikolaos, Lasithi, Crete, Greece

DOI: 10.22514/sv.2021.163 Vol.17,Issue S1,September 2021 pp.18-18

Submitted: 26 August 2021 Accepted: 06 September 2021

Published: 15 September 2021

*Corresponding Author(s): Sofia Papantonaki E-mail:


Introduction: Peripheral nerve blockages have many advantages which make them very useful in anaesthetic practice. The purpose of this presentation is to high light the effectiveness of peripheral nerve blocks in high risk patients. Methods and material: It is a case report and we use data from our clinic. A 68 year old male patient came to our hospital with osteomyelitis of his left foot. He has a medical history of hypertension, type 1 diabetes and coronary heart disease with acute myocardial infarction 25 days ago. According to the ASA classification was: IV E. Peripheral nerve block suggested to him which he accepted. We use posterior approach of the sciatic nerve in the iliac fossa. Ropivacaine 5 mg/mL (total 40 mL) was given. For nerve detection we use a 22 g needle 50 mm and a nerve stimulator. For the saphenous nerve 7 mL of Ropivacaine 5 mg/mL was given with subcutaneous infiltration from the tibial tuberosity to the posterior surface of the tibia. ECG, pulse oximetry, non –invasive blood pressure applied before the block until discharge from the operating theatre. O2 2 L via a nasal catheter and midazolam 2 mg was given to him.

Results: Complete nerve block was achieved 20 minutes after the injection of the local anesthetic. The duration of the operation was 90 minutes. For the first 24 h postoperatively, the patient received only Paracetamol 1 gr/6 hours and his pain according to the Visual Analogue Scale was 0–2.

Conclusion: In high risk patients peripheral nerve blocks are safe and alternative methods to general anesthesia or central nerve blocks. Minimal systemic effects, adequate analgesia in the immediate postoperative period, are some of their advantages.

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Sofia Papantonaki,Aikaterini Lappa,Maria Dermitzaki,Athanasia Dragatsiki,Stavros.Chochlidakis. Peripheral nerve block for leg amputation in a high risk patientꓽ Case report. Signa Vitae. 2021. 17(S1);18-18.


[1] Canales MB, Matthew Reiner HH, Mark Razzante DJE. The popliteal nerve block in foot and ankle surgery: an efficient and anatomical technique. Journal of Anesthesia and Clinical Research. 2015; 6: 4–10.

[2] Schipper ON, Hunt KJ, Anderson RB, Davis WH, Jones CP, Cohen BE. Ankle Block vs Single-Shot Popliteal Fossa Block as Primary Anesthesia for Forefoot Operative Procedures: Prospective, Randomized Comparison. Foot & Ankle International. 2017; 38: 1188–1191.

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