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Titolo:
The barrel vault technique in intertrochanteric varus osteotomy - An experimental and computerised analysis
Autore:
Barden, B; Wesskamp, B; Fitzek, JG; Loer, F;
Indirizzi:
Univ Essen Gesamthsch, Orthopad Klin & Poliklin, D-45122 Essen, Germany Univ Essen Gesamthsch Essen Germany D-45122 klin, D-45122 Essen, Germany
Titolo Testata:
ZEITSCHRIFT FUR ORTHOPADIE UND IHRE GRENZGEBIETE
fascicolo: 4, volume: 139, anno: 2001,
pagine: 311 - 316
SICI:
0044-3220(200107/08)139:4<311:TBVTII>2.0.ZU;2-F
Fonte:
ISI
Lingua:
GER
Keywords:
intertrochanteric curved osteotomy; coxa valga; hip dysplasia; leg length difference;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
19
Recensione:
Indirizzi per estratti:
Indirizzo: Barden, B Univ Essen Gesamthsch, Orthopad Klin & Poliklin, Hufelandstr 55,D-45122 Essen, Germany Univ Essen Gesamthsch Hufelandstr 55 Essen GermanyD-45122 many
Citazione:
B. Barden et al., "The barrel vault technique in intertrochanteric varus osteotomy - An experimental and computerised analysis", Z ORTHOP GR, 139(4), 2001, pp. 311-316

Abstract

In conventional intertrochanteric varus osteotomy, shortening of the leg and insufficiency of the abductor muscles occur frequently. To avoid these disadvantages, a curved osteotomy is presented. Method: 189 intertrochanteric barrel vault and wedge osteotomies were compared. By means of digitised preoperative radiographs the varus osteotomies were planned with a computer program optimising postoperative leg length, bone contact area at the osteotomy site, femoral offset, and abductor muscle length. Results: The averageleg shortening was 3.9 mm (range: 0-5 mm) for barrel vault osteotomy and 13.6 mm (range: 8-22.2 mm) for the wedge technique. After correction the mean contact area at the osteotomy sites was 1731.6 mm(2) (range: 1087.8-2341.8 mm(2)) in the barrel vault technique compared with 783.7 mm(2) (range: 563.7-1249.6 mm(2)) in the wedge procedure (p<0.001, t-test). Adequate femoral offset was achieved in both types of osteotomy. In all curved osteotomiesthe length of the abductor muscles remained nearly constant in contrast tothe wedge procedure. Additional comparative experimental barrel vault osteotomies in 22 human autopsy femora with a high-speed dissecting tool and round jigs revealed a precise application of the preoperative planning. Conclusion: The intertrochanteric curved osteotomy provides minimum leg shortening and increased bone contact area. It can prevent an insufficiency of the abductor muscles, because shortening is minimized.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 24/09/20 alle ore 05:02:33