Werner Siekmann - Academia.edu (original) (raw)

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Papers by Werner Siekmann

Research paper thumbnail of Method of making plasma enriched with platelets using a double syringe system where the second sytringe is within the first syringe and use thereof

Research paper thumbnail of Correction of moderate to severe hallux valgus with isometric first metatarsal double osteotomy

Foot & ankle international, 2014

The operative treatment for the moderate to severe bunion continues to present challenges. The in... more The operative treatment for the moderate to severe bunion continues to present challenges. The indications for a single, double, or triple first ray osteotomy remain controversial. In addition, it is not clear whether an opening wedge osteotomy leads to clinically relevant arthritis at the first metatarsophalangeal joint. However, it is this theoretical concern that has led the authors to develop an isometric correction of the first ray. Thirty-two patients underwent operative correction of hallux valgus with a double osteotomy of the first metatarsal using an opening wedge proximally and a closing wedge distally. The mean follow-up period was 59.3 months with a range of 55 to 65 months. The 1-2 intermetatarsal angle preoperatively was a mean of 18.9 degrees (range 17-23), correcting postoperatively to a mean angle of 8.6 degrees (range 5-12), for an average correction of 10.4 degrees (range 6-16). The postoperative AOFAS scores were 39.4 out of 40 points for pain, 42.4 out of 45 po...

Research paper thumbnail of Method of making plasma enriched with platelets using a double syringe system where the second sytringe is within the first syringe and use thereof

Research paper thumbnail of Correction of moderate to severe hallux valgus with isometric first metatarsal double osteotomy

Foot & ankle international, 2014

The operative treatment for the moderate to severe bunion continues to present challenges. The in... more The operative treatment for the moderate to severe bunion continues to present challenges. The indications for a single, double, or triple first ray osteotomy remain controversial. In addition, it is not clear whether an opening wedge osteotomy leads to clinically relevant arthritis at the first metatarsophalangeal joint. However, it is this theoretical concern that has led the authors to develop an isometric correction of the first ray. Thirty-two patients underwent operative correction of hallux valgus with a double osteotomy of the first metatarsal using an opening wedge proximally and a closing wedge distally. The mean follow-up period was 59.3 months with a range of 55 to 65 months. The 1-2 intermetatarsal angle preoperatively was a mean of 18.9 degrees (range 17-23), correcting postoperatively to a mean angle of 8.6 degrees (range 5-12), for an average correction of 10.4 degrees (range 6-16). The postoperative AOFAS scores were 39.4 out of 40 points for pain, 42.4 out of 45 po...

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