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| 1 | A Comparison of numerical simulation models for one-dimensional infiltration显示文摘 | Haverkamp R Vauclin M Touma J Wierenga P J | 1977 | Soil Science Society of America Journal1977，41，2： | 1 |
| 2 | Growth temperature regulation of host specific modifications of rhizobial lipochitirloligosaccharides: the function of nodX is tem-Perature regulated M01显示文摘 | OLSTHOOM M MA STOKVIS E HAVERKAMP J | 2000 | Plant-Microbe Interact2000，13，： | 1 |
| 3 | A comparsion of numerical simulation models for one-dimensional infiltration显示文摘 | Haverkamp R Vauclin M Touma J | | 0，，： | 1 |
| 4 | Nontuberculous mycobacterial infections in children with inborn errors of the immune system 显示文摘 | Haverkamp M H van-de-Vosse E van-Dissel J T | 2014 | J Infect2014，，： | 1 |
| 5 | Nontuberculous mycobacterial infections in children with inborn errors of the immune system显示文摘 | Haverkamp M H van-de-Vosse E van-Dissel J T | 2014 | J Infect2014，68，1： | 1 |
| 6 | Approximate analytical solution of the nonlinear diffusion equation for arbitrary boundary conditions显示文摘 | Parlange J Y Hogarth W L Parlange M B Haverkamp R Barry D A Ross P J Steenhuis T S | 1998 | Transport in Porous Media1998，30，1： | 1 |
| 7 | A comparison of numerical simulation models for one-dimensional infiltration显示文摘 | HAVERKAMP R VAUCLIN M WIERENGA P J | 1977 | Soil Sci Soc Am J1977，41，： | 1 |
| 8 | Develop- ment of an at-line method for the identification of angiotensin-I inhibit- ing peptides in protein hydrolysates显示文摘 | PLATERINK C J V JANSSEN H G M HAVERKAMP J | 2007 | Journal of Chromatography B2007，846，9： | 1 |
| 9 | Slow disease progression in a C57BL/6pten-deficient mouse model of prostate cancer显示文摘 | SVENSSON R U HAVERKAMP J M THEDENS D R | 2011 | Am J Pathol2011，179，1： | 1 |
| 10 | Mid-term survival of the Optimys short stem: A prospective case series of 500 patients显示文摘BACKGROUND In recent years,there has been an increase in the number of total hip arthroplasty procedures in the younger patient population.This active group has higher expectations of their prosthesis in comparison to the older population,and there is a greater physical demand for the prosthesis.Short femoral stems were in-troduced to retain proximal bone stock and joint biomechanics and became more common to implant in this specific population.Currently,the long-term survival and functional outcomes of various short stems are still being investigated in different clinics.AIM To determine the 5-year survival of the Optimys hip stem.METHODS This was a prospective multicenter cohort study of 500 patients conducted in two hospitals in the Netherlands.All patients received the Optimys short stem(Mathys Ltd,Bettlach,Switzerland).The primary outcome measure was survival of the hip stem,with revision as the endpoint.The secondary outcome measurements included patient-reported outcome measures(PROMs).Kaplan-Meier analysis was used to calculate the 5-year survival rate.Log-minus-log transformation was performed to calculate the 95%confidence interval(95%CI).Mixed model analyses were performed to assess the course of the PROMs during the 1st 2 years after surgery.Analyses were modeled separately for the 1st and 2nd years to calculate the yearly change in PROMs during both follow-up periods with accompanying 95%CIs.RESULTS The mean age of the total 500 patients was 62.3 years(standard deviation:10.6)and 202 were male(40%).At a median follow-up of 5.5 years(interquartile range:4.5-6.7),7 patients were deceased and 6 revisions were registered,for infection(n=3),subsidence(n=2)and malposition(n=1).This resulted in an overall 5-year survival of 98.8%(95%CI:97.3-99.5).If infection was left out as reason for revision,a stem survival of 99.4%(95%CI:98.1-99.8)was seen.Baseline questionnaires were completed by 471 patients(94%),317 patients(63%)completed the 1-year follow-up questionnaires and 233 patients(47%)completed the 2-year follow-up.Both outcome measures significantly improved across all domains in the 1st year after the operation(P<0.03 for all domains).In the 2nd year after surgery,no significant changes were observed in any domain in comparison to the 1-year follow-up.CONCLUSION The Optimys stem has a 5-year survival of 98.8%.Patient-reported outcome measures increased significantly in the 1st postoperative year with stabilization at the 2-year follow-up. | Bryan Hamans Sheryl de Waard Sjoerd Kaarsemaker Esther R C Janssen Inger N Sierevelt Gino M M J Kerkhoffs Daniël Haverkamp | 2024 | World Journal of Orthopedics2024，15，3： | 0 |
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