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Orthopaedic Proceedings
Vol. 88-B, Issue SUPP_I | Pages 21 - 21
1 Mar 2006
Varitimidis S Poultsides L Dailiana Z Passias A Kitsiopoulou E Malizos K
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Introduction: Surgery in the foot and ankle is usually performed under general or spinal anaesthesia. Peripheral nerve blocking is gaining the preference of both surgeons and patients. The aim of this study is to evaluate the adequacy of anaesthesia with the method of triple nerve blocking at the region of the knee.

Materials and methods: One hundred and forty-four patients (79 men and 65 women) that were diagnosed with ankle and foot injuries or diseases underwent surgery using triple nerve blocking at the knee region as a method of anaesthesia. Surgical procedures included bone and soft tissue procedures and especially fracture fixation, osteotomies, tendon repairs, neuroma and tumor excisions, nerve decompressions and arthrodeses. The common peroneal, tibial and saphenous nerves were blocked with injection of 8 ml ropivacaine 2% for each nerve. The injection was performed by an Orthopaedic surgeon with the use of a neurostimulator. An anesthesiologist was available when necessary.

Results: Ninety-four patients tolerated the procedure without the need of additional injection of anaesthesia or analgesia. In 45 patients additional injection of local anesthetic was necessary. Five patients needed intravenous injection of analgesia in order to complete the procedure. Patients were mobilized the day of surgery, reducing in that way hospital stay. Hospitalization ranged from 0 to 1 days with 58 patients discharged the day of the operation. No complication related to the injection of the anestheric was observed.

Conclusion: Triple nerve blocking at the knee, as a method of anaesthesia, is proposed for certain procedures in the foot and ankle; it allows early mobilization of patients and reduces length of hospital stay. If the neurostimulator is used appropriately, the rate of patients that needs additional analgesia intraoperatively is diminished and no adverse effects of the local anestheric are observed. Complications observed with the practice of spinal or general anesthesia are avoided.