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Lateral unicompartmental knee arthroplasty:A review

World Journal of Orthopedics 2021年第4期12卷 197-206页

作者： Scott D Buzin jeffrey a geller Richard S Yoon William Macaulay Department of Orthopaedics Jersey City Medical CenterJersey CityNJ 07302United States New York Presbyterian Columbia UniversityMedical CenterNew YorkNY 10032United States Department of Orthopaedic Surgery Jersey City Medical Center-RWJBarnabas HealthJersey CityNJ 07302United States Department of Orthopaedic Surgery NYU Langone HealthNew YorkNY 10016United States

Isolated lateral compartment osteoarthritis of the knee is a rare condition affecting approximately 1%of the population,which is ten times less common than osteoarthritis affecting only the medial *** knee arthroplasty(UKA)has many potential advantages over total knee *** benefits of UKA include a smaller incision,preservation of more native tissue(including cruciate ligaments and bone),decreased blood loss,and better overall *** UKA was first introduced in the 1970s,the outcomes of medial UKA(MUKA)were poor,but the few cases of lateral UKA(LUKA)showed *** that time,there has been a relative paucity of literature focused specifically on LUKA given it is a rare *** in patient selection criteria,implant design,and surgical technique have been made leading to increased popularity.A review of the recent literature reveals that LUKA is associated with excellent long-term clinical outcomes and implant survivorship when performed in properly selected *** design options include fixed vs mobile bearing as well as metal backed vs all polyethylene tibial component,with improved outcomes noted with fixed bearing *** reasons cited for revision(i.e.,fracture of the femoral component,fracture of the tibial component,and valgus malalignment)had been reported in past literature but not ***,while rare,the most common cause of failure and need for revision are osteoarthritis progression and aseptic *** the need for an occasional revision procedure,the survivorship of LUKA is comparable to MUKA,although it should be noted that outcomes of MUKA have been notably *** pursuit of improved techniques and implant designs will continue to show LUKA to be an excellent procedure for appropriately indicated patients.

关键词： Unicompartmental Knee Arthroplasty Lateral Review Outcomes

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How are those “lost to follow-up” patients really doing? A compliance comparison in arthroplasty patients

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World Journal of Orthopedics 2015年第1期6卷 150-155页

作者： Jung Keun Choi jeffrey a geller David A Patrick Jr Wenbao Wang William Macaulay Center for Hip and Knee Replacement Department of Orthopaedic SurgeryNew York-Presbyterian Hospital at Columbia University Medical Center

AIM: To determine whether there is a functional difference between patients who actively follow-up in the office(OFU) and those who are non-compliant with office follow-up visits(NFU). METHODS: We reviewed a consecutive group of 588patients, who had undergone total joint arthroplasty(TJA), for compliance and functional outcomes at one to two years post-operatively. All patients were given verbal instructions by the primary surgeon to return at one year for routine follow-up visits. Patients that were compliant with the instructions at one year were placed in the OFU cohort, while those who were non-compliant were placed in the NFU cohort. Survey mailings and telephone interviews were utilized to obtain complete follow-up for the cohort. A χ2 test and an unpaired t test were used for comparison of baseline characteristics. Analysis of covariance was used to compare the mean clinical outcomes after controlling for confounding ***: Complete follow-up data was collected on 554 of the 588 total patients(93%), with 75.5% of patients assigned to the OFU cohort and 24.5% assigned to the NFU cohort. We found significant differences between the cohorts with the OFU group having a higher mean age(P = 0.026) and a greater proportion of females(P = 0.041). No significant differences were found in either the SF12 or WOMAC scores at baseline or at 12 mo ***: Patients who are compliant to routine follow-up visits at one to two years post-operation do not experience better patient reported outcomes than those that are non-compliant. Additionally, after TJA, older women are more likely to be compliant in following surgeon instructions with regard to follow-up office care.

关键词： Total joint arthroplasty Revision joint arthroplasty Functional outcomes Patient compliance Patient follow-up

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Factors affecting response rates to mailed preoperative surveys among arthroplasty patients

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World Journal of Orthopedics 2012年第1期3卷 1-4页

作者： Wenbao Wang jeffrey a geller Abraham Kim Todd A Morrison Jung Keun Choi William Macaulay Center for Hip and Knee Replacement Department of Orthopaedic Surgery New York-Presbyterian Hospital at Columbia New York NY 10032 United States

AIM: To identify factors that affect patient response rates to preoperative functional surveys in hip and knee arthroplasty ***: From May 2008 to March 2009, 247 patients were scheduled more than 4 wk in advance for hip or knee arthroplasty by one of two participating surgeons at our center. A personalized questionnaire comprised of the Short Form 12(SF-12) and Western Ontario and Mc Master Universities(WOMAC) Index was mailed to patients at random time points ranging from 7 to 101 d prior to surgery. Nine independent factors were documented prospectively, including age, gender, ethnicity, marital status, type of surgery, surgeon, days prior to surgery(DPS) of survey mailing, WOMAC score and SF-12 score. The date of the completed survey receipt was also documented. For non-responders, the surveys were completed with the research team at the hospital upon admission. Multivariate regression and χ2 analysis were performed with Statistical Analysis Software ***: DPS was the only factor that affected patient response. Mailing surveys 26 d to 31 d prior to surgery dates led to a peak response rate of 80% that was significantly higher(P < 0.023) than response rates for patients who were mailed their surveys ≤ 16 d(62.5%), 17 d to 25 d(70%) or ≥ 32 d prior to surgery(55%). No other factors, including preoperative WOMAC and SF-12 scores, significantly influenced response ***: The DPS was independently the most significant predictor of response rates for pre-operative functional data among patients scheduled for hip and knee arthroplasty.

关键词： Preoperative survey Response rate Factor analysis Arthroplasty

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Longitudinal evaluation of time related femoral neck narrowing after metal-on-metal hip resurfacing

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World Journal of Orthopedics 2013年第2期4卷 75-79页

作者： Wenbao Wang jeffrey a geller Rohit Hasija Jung Keun Choi David A Patrick Jr. William Macaulay Center for Hip and Knee Replacement Department of Orthopaedic SurgeryNew York-Presbyterian Hospital at Columbia University Medical Center New York NY 10032 United States

AIM: To track the short-term neck narrowing changes in Birmingham metal-on-metal hip resurfacing(MOMHR) patients. METHODS: Since 2001, the Center for Hip and Knee Replacement started a registry to prospectively collect data on hip and knee replacement patients. From June 2006 to October 2008, 139 MOMHR were performed at our center by two participate surgeons using Birmingham MOMHR prosthesis(Smith Nephew, United States). It is standard of care for patients to obtain low, anteriorposterior(LAP) pelvis radiographs immediately after MOMHR procedure and then at 3 mo, 1 year and 2 year follow up office visits. Inclusion criteria for the present study included patients who came back for follow up office visit at above mentioned time points and got LAP radiographs. Exclusion criteria include patients who missed more than two follow up time points and those with poor-quality X-rays. Two orthopaedic residency trained research fellows reviewed the X-rays independently at 4 time points, i.e., immediate after surgery, 3 mo, 1 year and 2 year. Neck-to-prosthesis ratio(NPR) was used as main outcome measure. Twenty cases were used as subjects to identify the reliability between two observers. An intraclass correlation coefficient at 0.8 was considered as satisfied. A paired t-test was used to evaluate the significant difference between different time points with P < 0.05 considered to be statistically ***: The mean NPRs were 0.852 ± 0.056, 0.839 ± 0.052, 0.835 ± 0.051, 0.83 ± 0.04 immediately, 3 mo, 1 year and 2 years post-operatively respectively. At 3 mo, NPR was significantly different from immediate postoperative X-ray(P < 0.001). There was no difference between 3 mo and 1 year(P = 0.14) and 2 years(P = 0.53). Femoral neck narrowing(FNN) exceeding 10% of the diameter of the neck was observed in only 4 patients(5.6%) at two years follow up. None of these patients developed a femoral neck fracture(FNF). CONCLUSION: Femoral neck narrowing after MOMHR occurred as e

关键词： Hip joint Arthroplasty Complications Hip resurfacing Femoral neck narrowing

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跟腱移植修复全髋关节置换术后外展肌肌力不足

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中华骨科杂志 2011年第3期31卷 I0006-I0011页

作者： Michael N. Fehm, MD James I. Huddleston, MD Dennis W. Burke, MD jeffrey A. geller, MD Henrik Malchau, MD, PhD 王韶进(译) Investigation performed at the Harris Orthopaedic Laboratory Department of Orthopaedic S.rgery. Massachusetts General HospitalBostonMassachusetts 山东大学第二医院关节外科济南250033

背景：全髋关节置换术后的外展肌力不足是个罕见但易导致功能不佳的问题。其诊断困难，而且即使诊断明确也几乎没有有效的治疗方法。，本文旨在旧顾我们采用带跟骨止点的新鲜冰冻跟腱移植进行全髋关节置换术后的外展肌重建的一些经验。... 详细信息

背景：全髋关节置换术后的外展肌力不足是个罕见但易导致功能不佳的问题。其诊断困难，而且即使诊断明确也几乎没有有效的治疗方法。，本文旨在旧顾我们采用带跟骨止点的新鲜冰冻跟腱移植进行全髋关节置换术后的外展肌重建的一些经验。方法：2003年至2006年间，我们采用新鲜冰冻跟腱移植治疗7例全髋关节置换术后的外展肌肌力不足患者。所有7例患者，平均在全髋关节置换术后29个月，多出现髋外侧疼痛，并通过Trendelenburg征表明为外展肌力软弱。外展肌腱断裂的诊断建直在关节造影摄片上并在手术中得到确认。结果：重建前Harris评分平均为34．7分，疼痛评分平均为11．4分。，重建后至少随访24个月，Harris评分平均为85．9分，疼痛评分平均为38．9分。结论：采用将带跟骨止点的跟腱固定于大转子上重建外展肌，可以有效缓解疼痛，增加外展肌力，减少跛行，在早期随访叶JTrendelenburg征及髋关节功能得到改善。可信水平：治疗性研究Ⅳ级。关于证据等级的完整描述详见投稿须知。

关键词：全髋关节置换术后外展肌力移植修复跟腱 Harris评分疼痛评分髋关节功能治疗方法

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Reversible Paclitaxel-Induced Bilateral Vocal Fold Paresis

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International Journal of Otolaryngology and Head & Neck Surgery 2015年第3期4卷 254-258页

作者： jeffrey Hsu Melin Tan-geller Montefiore Medical Center New York USA

Introduction: Chemotherapy is a rare cause of iatrogenic vocal fold dysfunction. It has been reported in three main classes of chemotherapy agents and often occurs during the treatment interval. We present a case of bilateral vocal cord paresis with delayed presentation after completion of chemotherapy. Methods: One case, managed with observation and serial exams, is presented. A review of previous case reports of chemotherapy-induced vocal cord paresis and possible mechanisms of injury was performed. Results: Patient improved both symptomatically and through objective findings over the one-year course of observation. Conclusion: Diagnosis of chemotherapy-induced vocal cord paresis is dependent on a thorough history and physical exam. Management is predicated in that the dysfunction is often dose dependent and reversible, necessitating both cessation of the offending agent and the knowledge that any treatment is likely needed for only a temporary time. Chemotherapy-induced vocal fold paresis should be in the differential for patients presenting with hoarseness, dysphonia, stridor and a positive chemotherapy

关键词： Vocal Cord Paralysis Chemotherapy

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