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| 1 | Precontoured buttress plate vs reconstruction plate for acetabulum posterior wall fractures: A biomechanical study显示文摘BACKGROUND The purpose of open reduction and internal fixation of acetabulum posterior wall fractures is to restore anatomical structure and stability of the hip joint, in order to start weight bearing as soon as possible and prevent hip arthrosis; restoration of the anatomy should preserve function of the joint as well. Although 'special shaped precontoured plates' have been developed in recent years for surgical treatment of this region, studies comparing the traditional plates with the newly designed precontoured plates are lacking.AIM To evaluate the biomechanical properties of precontoured anatomic buttress and conventional curved reconstruction plates(CCRPs) for posterior wall acetabulum fracture treatment.METHODS Twelve pelvis models were created for testing plate treatment of fracture in the posterior wall of the acetabulum. These 12 pelvis models were used to create 24 hemipelvis models(experimental) by cutting from the sagittal plane and passing over the center of gravity, after which the posterior wall acetabular fractures(of similar type and size) were created. In these experimental models, the right acetabulum was fixed with a 5-hole CCRP, while the left was fixed with a precontoured anatomic buttress plate(PABP). Samples were placed through thetest device and were subjected to static load testing, with a constant testing velocity of 2 mm/min until the load reached 2.3 kN or the acetabular fixation failed. Dynamic tests were also performed with sinusoidal wave load, with a maximal load of 2.3 kN and a load ratio of 0.1.RESULTS The average stiffness values were 460.83 ± 95.47 N/mm for the PABP and 291.99± 118.58 N/mm for the 5-hole CCRP. The precontoured anatomic acetabulum buttress plates had significantly higher rigidity than the CCRPs(P = 0.022). There was a statistically significant difference between the unloaded and 2.3 kN-loaded values of AL(posterosuperior fracture line vertical to the ground surface) and CL(posteroinferior fracture line vertical to the ground surface) parameters for both the PABPs and the 5-hole CCRPs(P = 0.036 and P = 0.045, respectively).According to the static tests, the amount of total displacement was significantly less in the PABPs than in the CCRPs. Comparative analysis of the displacement in the BL(posterior wall fracture line horizontal to the ground) parameter yielded no statistically significant differences between the PABP and the 5-hole CCRPs(P= 0.261).CONCLUSION PABP provides more stable fixation in acetabulum posterior wall fractures than5-hole CCRP, allowing for proximal or distal fracture line screw application without reshaping. | Güray Altun Gürsel Saka Teyfik Demir Fatma Kübra Erbay Elibol Mehmet Or?un Polat | 2019 | World Journal of Orthopedics2019，10，5： | 3 |
| 2 | Headache response to nitrate in patients with coronary artery disease and systolic heart failure显示文摘 | Sivri N Tekin G Erbay AR | 2012 | Int J Cardiol2012，158，3： | 1 |
| 3 | A genetic variant at the fatty acid- binding protein aP2 locus reduces the risk for hypertr/glyceridemia, type 2 diabetes, and cardiovascular disease 显示文摘 | Tuneman G Erbay E Hom X | 2006 | Proc Natl Acad Sci USA2006，103，18： | 1 |
| 4 | A genetic variant at the fatty ac- id -binding protein aP2 locus reduces the risk for hypertriglyceride- mia, type 2 diabetes, and cardiovascular disease显示文摘 | Tuncman G Erbay E Horn X | 2006 | Proc Natl Acad Sci USA2006，103，18： | 1 |
| 5 | Twiddler's syndrome in an asymptomatic case 显示文摘 | Gtlcak E Erbay AR Keskin G | 2011 | Turk Kardiyol Dern Ars2011，39，3： | 1 |
| 6 | A genetic variant at the fatty acid-binding protein aP2 locus reduces the risk for hypertriglyceridemia, type 2 diabetes, and cardiovascular disease 显示文摘 | Tuncman G Erbay E Hom X | 2006 | Proc Natl Acad Sci U S A2006，103，18： | 1 |
| 7 | Risk factors for nosocomial imipenem- resistant Acinetobacter baumannii infections显示文摘 | BARAN G ERBAY A BODUR H | 2008 | J Infect Dis2008，12，： | 1 |
| 8 | Nutrient sensing and inflammation in metabolic diseases显示文摘 | HOTAMISLIGIL G S ERBAY E | 2008 | Nature Reviews Immunology2008，8，12： | 1 |
| 9 | A genetic variant at the fatty acid-binding protein aP2 locus reduces the risk for hypertriglyceridemia,type 2 diabetes,and cardiovascular disease显示文摘 | Tuncman G Erbay E Hom X | 2006 | Proc Natl Acad Sci USA2006，103，： | 1 |
| 10 | Liver regeneration after living adult right lobe transplantation 显示文摘 | Kamel I Erbay N Warmbrand G | 2003 | Abdom Imaging2003，28，1： | 1 |
| 11 | Risk factor for nosocomial imipenem- resistant Acinetobacter baumannii infections显示文摘 | Baran G Erbay A Bodur H | 2008 | Int J Infect Dis2008，12，1： | 1 |
| 12 | Higher-order split-step Fourier schemes for the generalized nonlinear Schr6dinger equation 显示文摘 | G M Muslu H A Erbay | 2005 | Math Comput Simulat2005，67，6： | 1 |
| 13 | Risk factors for nosocomi- al imipenem-resistant acinetobacter baumannii infections显示文摘 | Baran G Erbay A Bodur H | 2008 | J Infect Dis2008，12，1： | 1 |
| 14 | Increased plasma soluble adhesion molecules; ICAM-1,VCAM-I,and E- selectin levels in patients with slow coronary flow显示文摘 | TURHAN H SAYDAM G S ERBAY A R | 2006 | Int J Cardiol2006，108，2： | 1 |
| 15 | Risk factors for nosocomial imipenem resistant Acinetobacter baumannii infections显示文摘 | Baran G Erbay A Bodur H | | 0，，01： | 1 |
| 16 | Nutrient sensing and inflammation in metabolic diseases显示文摘 | Hotamisligil G S Erbay E | 2008 | Nature Reviews Immunology2008，8，12： | 1 |
| 17 | Impact of early appropri- ate antimierobial therapy on survival in Acinetobacterbaumannii bloodstream infections 显示文摘 | ERBAY A IDIL A GOZEL M G | 2009 | Int J Antimicrob Agents2009，34，6： | 1 |
| 18 | A genetic variant at the fatty acidbinding protein Ap2 locus reduces the risk for hypertrigly-ceridemia, type 2 diabetes and cardiovascular disease 显示文摘 | Tuncman G Erbay E Horn X | 2006 | Proc Natl Acad Sci USA2006，103，18： | 1 |
| 19 | Higher-order Split-step Fourier Schemes for the Generalized Nonlinear Schr(o)dinger Equation显示文摘 | Muslu G M Erbay H A | | 0，，6： | 1 |
| 20 | A genetic variant at the fatty acid-binding protein aP2 locus reduces the risk for hypertriglyceridemia,type 2 diabetes,and cardiovascular disease显示文摘 | Tuncman G Erbay E Hom X | | 0，，： | 1 |
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