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Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_III | Pages 227 - 227
1 Mar 2003
Dermon A Petrou H Tilkeridis K Kapetsis T Harduvelis C Skitiotis D Petrou G
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Introduction: Mitchell’s operation is a double step-cut osteotomy through the neck of first metatarsal (MT) which displaces laterally and plantar flexes the metatarsal head and minimally shortens the first MT. In coexisted further forefoot abnormalities this osteotomy can be combined by additional corrective osteotomies of the rest metatarsals and straightening of toes.

Material and Methods: A prospective study was carried out in our Department, on 42 patients (51feet) operated with this osteotomy alone or combined.

The mean follow-up time was 10 years (range, 3–15 years). The average age of patients was 58 years. The average angle of HV deformity was 38 degrees (in nine feet this angle was more than 40 degrees). Mean inter-metatarsal (IM) angulation was 15 degrees.

The procedure was always followed by Y or V capsuloplasty of first metatarsophallangeal (MTP) joint. Moderate arthritis of first MTP joint was not considered by us as a contraindication for this operation. The osteotomy was secured by two crossed K-wires.

In 20 feet (15 patients) with coexisted forefoot abnormalities oblique osteotomies of the rest metatarsals, arthrodeses of proximal interphalangeal (PIP) joints and elongation of extensor tendons were carried out.

Results: In examination, we checked the correction of the deformities; we assessed pain and comfortability in wearing shoes and the joints motion, hi early postoperative examination the mean correction in HV angle was 18 degrees and in IM angle was 5 degrees, but in last examination there was a loss of 5 degrees in the HV angle correction. One hallux was overcorrected. 90% of the results were satisfactory including all feet with osteoarmritis of first MTP joint. 10% of the results considered as poor including all feet with preoperative HV deformity of more than 40 degrees. Ten feet (eight patients) suffered from metatarsalgia established because of fall of MT arch. We feel that Mitchell’s osteotomy is not suitable for HV deformity exceeding the 40 degrees.


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_III | Pages 228 - 228
1 Mar 2003
Dermon A Gavras M Petrou H Tilkeridis K Harduvelis C Tsekura M Petrou G
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Introduction: Moderate and major operation concerning trauma or selective procedures (like total ¥2) joint replacement) can lead to considerable amount of blood loss and postoperative anaemia. This loss affects negatively the patients’ postoperative course concerning mortality, morbidity as well as patients’ recovery. We decided to provide these patients with Epoetin Alpha in the early postoperative period to control anaemia.

Material and Methods: In our Department, from July 2000 until March 2002, we treated 42 patients with postoperative anaemia due to moderate or major operations (like hip and femoral fractures, total joint replacements). Patients’ age ranged from 28 to 85 years, hi this study we included all patients with 9g/dl < Hb < 1 Ig/dl on second postoperative day, without coexisted contraindications for administration of Epoetin Alpha. Patients having been transfused due to serious postoperative anaemia were not included in this study. Laboratory tests included full blood count check up to the end of treatment.

Patients were divided in two groups, hi the first group (18 patients) were provided 2 X 10000 units Epoetin Alpha daily for 15 days, hi the second group (after August 2001) we provided 40000 units X 4 every three days, hi all cases we provided Fe per os. One patient (in the second group) sustained diffuse intravascular coagulation (DIG) on the 13th postoperative day and finally she died. In the first group we noticed an increase of Ht by 4 units (mean rate) and in the second group by 6 units. Two cases in the first group presented a slight raise of the Ht (one unit), while the patient who presented DIG belonged to the second group. No patient was transfused postoperatively. Mobilization of patients especially the elderly was earlier than usual. An interesting notice was the raise of platelets (> 600000) in nine cases of the second group and in only two cases of first group, without complications. This raise was attributed to the stimulation of bone marrow due to the fast blood loss during the operation.

Conclusion: The effectiveness and safety of Epoetin Alpha has been proved in many studies concerning selective orthopaedic operations. Update results show that Epoetin Alpha has a significant effect in the treatment of postoperative anaemia. Of course further investigations (like double blind studies and control of potential complications from administration) are mandatory.