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MINIMAL INVASIVE SURGICAL APPROACH IN HIP HEMIARTHROPLASTY WITH COMMON INSTRUMENTATION

7th Congress of the European Federation of National Associations of Orthopaedics and Traumatology, Lisbon - 4-7 June, 2005



Abstract

The attempt to achieve and institude the potential less minimal invasive hip hemiarthroplasty by using common instruments is the aim of our study.

We report on a randomly selected group of 80 patients, 40 of which were operated by a small incision 5–10 cm (group A) and 40 by a standard incision 15–20 cm (group B). The approach was through the gluteus medius muscle (lateral-Hartinge) in all of the cases. In group A an additional small transverse incision of the fascia was needed without any other inside extension. There were no statistical differences in gender, age (mean age 80 and 79 years old respectively), weight of the patients (average BMI 27,5 kg/m2 and 27 kg/m2 respectively) and implant type.

The operations were supervised by the same surgeon. PMMA was used in 18 of the cases in each group.

Blood loss was less in group A (mean 200cc less) and 21 patients were not transfused at all intraoperatively. A second assistant was necessary in educational operations. Four of the patients had postoperatively bruises and skin scratches. Early postoperative pain was less in the first group, but was the same two months postoperatively. Thirteen patients slept on the operated leg on the 2nd and 3rd postoperative day. Discharge from the hospital was available two days earlier in the first group. We had one hip dislocation in the first group in a psychiatric patient who had also DVT.

In conclusion , minimal invasive surgery in hip hemi-arthroplasty is possible to be performed with the use of common instruments and it is worth once while. Experience of the surgical team is necessary for reducing operative time and further research is needed for establishing possible contraindications.

Theses abstracts were prepared by Professor Roger Lemaire. Correspondence should be addressed to EFORT Central Office, Freihofstrasse 22, CH-8700 Küsnacht, Switzerland.