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| 1 | Surgical treatment of Lenke 5 adolescent idiopathic scoliosis: Comparison of anterior vs posterior approach显示文摘AIM To compare the posterior vs anterior approaches for fusion of Lenke 5 adolescent idiopathic scoliosis curves,matched for curve magnitude and for the distal level of fixation(dLOF) standardized to the third lumbar vertebrae(L3).METHODS A prospectively collected multicenter database was used for this retrospective comparative study. Our dependent variables included sagittal and coronal radiographic measurements, number of fused vertebrae, estimated blood loss, length of hospitalization and SRS total and individual domain scores at the two-year follow-up. Subject demographics were similar for all group comparisons.Independent t-test was used to compare groups for all analyses at P < 0.01.RESULTS For all matched cases of Lenke 5 curves, a selective approach was used only 50% of the time in cases undergoing a posterior fusion. When comparing a posterior selective approach to an anterior selective approach,surgeons utilizing a posterior approach fused significantly more levels than surgeons using an anterior approach with no other significant differences in radiographic or SRS outcomes(Ant = 4.8 ± 1.0 levels vs post = 6.1 ± 1.0 levels, P < 0.0001). When the dLOF was standardized to L3, the anterior approached provided significantly greater lumbar Cobb percent correction than the posterior approach(Ant = 69.1% ± 12.6% vs post =54.6% ± 16.4%, P = 0.004), with no other significant radiographic or SRS score differences between approaches.CONCLUSION Surgeons treating Lenke 5c curves with a posterior instrumentation and fusion vs an anterior approach include more motion segments, even with a selective fusion. When controlled for the distal level of fixation,the anterior approach provides greater correction of the thoracolumbar curve. | Mark F Abel Anuj Singla Mark A Feger Lindsay D Sauer Wendy Novicoff | 2016 | World Journal of Orthopedics2016，7，9： | 6 |
| 2 | Reducing costly falls after total knee arthroplasty显示文摘AIM To investigate whether adductor canal nerve block(ACB) reduces patient falls when compared to femoral nerve block(FNB) after total knee arthroplasty(TKA). METHODS We conducted an institutional review of all-cause falls after TKA from January 2013 to August 2016 using a quality improvement database. Our inclusion criteria were patients with diagnosis of primary knee osteoarthritis who underwent primary unilateral TKA with either a FNB or an ACB and sustained a fall during their hospitalization. We excluded patients who had revision TKA and extensor mechanism reconstruction. We also excluded patients with a history of post-traumatic arthritis, prior history of lower extremity fracture, history of neurological disease, or cerebrovascular disease. RESULTS A total of 834 patients had TKA with femoral nerve block and knee immobilizer(FNB + KI). Of those patients, 11(1.3%) experienced a fall during their hospital stay. In contrast, 791 patients had TKA with ACB. Of those patients, only one(0.13%) patient fall was recorded within this group. We used the Fisher's exact test to compare the differences between the two groups. The difference between the two groups achieves statistical significance(P = 0.006). We also found that 11 out of the 12 patients that fell had a right TKA procedure while one patient had a left TKA procedure. Nine out of twelve patients that fell were female, while only three patients were male.CONCLUSION Given the reduction in the number of falls with ACB, it is recommended that ACB be considered the preferred analgesia for patients undergoing a TKA procedure. | Surajudeen Adebola Bolarinwa Wendy Novicoff Quanjun Cui | 2018 | World Journal of Orthopedics2018，9，10： | 2 |
| 3 | Starting rehabilitation within 24 hours after total knee arthroplasty was better than delaying to within 48 to 72 hours显示文摘 | SALEH K J NOVICOFF W M | 2012 | J Bone Joint Surg Am2012，94，4： | 1 |
| 4 | Age as an independent risk factor for postoperative morbidity and mortality after total joint arthroplasty in patients 90 years of age or older 显示文摘 | D APUZZO MR PAO AW NOVICOFF WM | 2014 | J Arthroplasty2014，29，3： | 1 |
| 5 | Mandated venous thromboembolism prophylaxis:possible adverse outco- mes 显示文摘 | Novicoff WM Brown TE Cui Q | 2008 | J Arthroplasty2008，231，： | 1 |
| 6 | No differences in outcomes between cemented and uncemented acetabular components after 12-14 years:results from a randomized controlled trial comparing Duraloc with Charnley cups显示文摘 | Bjφrgul K Novicoff WM Andersen ST | 2010 | J Orthop Traumatol2010，11，1： | 1 |
| 7 | American Society of Anesthesi-ologist Physical Status score may be used as a comorbidity index in hip fracture surgery显示文摘 | Bjorgul K Novicoff W M Saleh KJ | | J Arthroplasty 201 0 25 (6 Suppl L0，，： | 1 |
| 8 | Starting rehabilitation within 24 hours after total knee arthroplasty was better than delaying to within 48 to 72 hours显示文摘 | Saleh KJ Novicoff WM | 2012 | J Bone Joint Surg Am2012，94，4： | 1 |
| 9 | High rate ofrevision and a high incidence of radiolucent lines aroundMetasul metal-on-metal total hip replacements : Resultsfrom a randomised controlled trial of three bearings afterseven years显示文摘 | Bjorgul K Novicoff WN Andersen ST | 2013 | Bone Joint J2013，95，7： | 1 |
| 10 | American Society of Anesthesiologist Physical Status score may be used as a comorbidity index in hip fracture surgery显示文摘 | Bjorgul K Novicoff WM Saleh KJ | 2010 | J Arthroplasty2010，25，6： | 1 |
| 11 | Corrections in alpha angle following two different operative approaches for CAM-type femoral acetabular impingement-Ganz surgical hip dislocation vs anterior mini-open显示文摘BACKGROUND Femoroacetabular impingement(FAI)is a predisposing factor for secondary osteoarthritis of the hip joint.The two extensively described impingement mechanisms of FAI are CAM and Pincer-type.Initially managed conservatively,operative intervention should be offered to the persistently symptomatic patient.The measurement of the alpha angle is considered a standard method of assessing the severity of pathology in Cam-type FAI on pre-operative plain radiographs.The radiological correction of the alpha angle has not been previously compared between different surgical approaches.We hypothesize that there is no difference in alpha angle correction between Ganz surgical hip dislocation and the anterior mini-open approach.AIM To compare the magnitude of alpha angle correction achieved by using the Ganz surgical hip dislocation and the anterior mini-open approach.METHODS This is a retrospective study assessing seventy-nine patients identified in a 5-year period.These patients had preoperative radiographic evidence of FAI and underwent surgery by a single surgeon at our institution,a tertiary care center.Patients with missing radiographic documentation,radiographs with insufficient quality which then precluded accurate measurement of the angleα,a diagnosed congenital condition,isolated type II pathology(Pincer),and history of prior surgery were excluded from the study.Either the Ganz surgical hip dislocation or the anterior mini open approach was used.Postoperative radiographic evaluation of the alpha angle between the two surgical methods was done and corrected for age and gender using two-sample t-tests and Chi-square analyses.RESULTS A total of 79 patients met the inclusion and exclusion criteria.Forty-seven males(mean age of 35.3,range 16-53)and 32 females(mean age 36.7,range 16-60)were enrolled.Forty-seven patients underwent the anterior mini-open approach,and 32 underwent the Ganz surgical hip dislocation.There were no significant differences in age between the two surgical groups or in pre-and post-operative alpha angles based on patient gender.The mean pre-operative alpha angle for the Ganz surgical hip dislocation group was 88.0 degrees(SD 12.3)and 99.4 degrees(SD 7.2)for the anterior mini-open group.Mean post-operative angles were 49.9 degrees(SD 4.3)for the Ganz surgical hip dislocation and 43.8(SD 4.3)degrees for the anterior mini-open group.There was a statistically significant difference in patient’s pre-operative and post-operative angles(P=0.000)with both surgical approaches.CONCLUSION Statistically significant decreases in alpha angle were noted for both surgical techniques,with larger decreases seen in the anterior mini-open group. | Emanuel C Haug Wendy M Novicoff Quanjun Cui | 2020 | World Journal of Orthopedics2020，11，1： | 1 |
| 12 | Mandated venous thromboem- bolism prophylaxis: possible adverse outcomes 显示文摘 | Novicoff WM Brown TE Cui Q | 2008 | J Arthroplasty2008，1，： | 1 |
| 13 | Evaluating comorbidities in total hip and knee arthroplasty:available instruments显示文摘 | Bjorgul K Novicoff WM Saleh KJ | | 0，，04： | 1 |
| 14 | Obstructive sleep apnea as a risk factor after shoulder arthroplasty 显示文摘 | Griffin JW Novicoff WM Browne JA | 2013 | J Shoulder Elbow Surg2013，22，12： | 1 |
| 15 | Mandated venous thromboembolism prophylaxis:possible adverse outcomes显示文摘 | Novicoff W M Brown T E Cui Q | 2008 | J Arthroplasty2008，23，3： | 1 |
| 16 | Mandated venous thromboern- bolism prophylaxis: possible adverse outcomes显示文摘 | Novicoff WM Brown TE Cui Q | 2008 | J Arthroplasty2008，23，1： | 1 |
| 17 | American Society of Anesthesiologist Physical Status score may be used as a comorbidity index in hip fracture surgery 显示文摘 | Bjorgul K Novicoff WM Saleh KJ | 2010 | J Arthroplasty2010，25，6： | 1 |
| 18 | Age as an Independent Risk Factor for Postoperative Morbidity and Mortality After Total Joint Arthroplasty in Patients 90 Years of Age or Older显示文摘 | Michele R. D’Apuzzo Andrew W. Pao Wendy M. Novicoff James A. Browne | 2014 | The Journal of Arthroplasty2014，，3： | 1 |
| 19 | No differences in out-comes between cemented and uncemented acetabular components after12-14 years:results from a randomized controlled trial comparingDuraloc with Charnley cups显示文摘 | Bjorgul K Novicoff WM Andersen ST | 2010 | J Orthop Traumatol2010，11，： | 1 |
| 20 | Systematic review of the etiology behind patellar clunk syndrome显示文摘BACKGROUND Total knee arthroplasty is one of the most successful operations performed worldwide today.Patellar clunk syndrome(PCS)is a postoperative complication that arises due to the development of a fibrous nodule along the undersurface of the quadriceps tendon.The current literature on PCS has not yet come to a consensus regarding its etiology.To date,this is the first study that analyzes the existing literature on PCS in order to generate a conclusion regarding its etiology.It is hypothesized that prosthesis design is the main component behind the development of PCS.AIM To determine the etiology of PCS and its association with pre and post-operative characteristics of the prosthesis and native knee.METHODS We conducted a systematic review according to the PRISMA guidelines by searching through PubMed,Cochrane,and Google Scholar from May-July 2018 for cases of PCS using search MeSH terms“patella OR patellar”AND“clunk”OR“catch”OR“crepitus”.The search included case series and clinical trials and excluded review articles,yielding 30 articles from the original search and 3 additional articles from reference lists.We extracted data upon the outcomes in patients afflicted with PCS to determine the etiology of PCS.We performed additional bias assessments to validate our search algorithm and results.RESULTS Prosthesis design was the metric most frequently implicated in the incidence of PCS,though several other metrics were contributory toward its pathogenesis.Later prosthetic designs incorporate a reduced intercondylar box ratio and box width to reduce contact between the proximal patellar pole and the intercondylar box,thereby reducing incidence of PCS.CONCLUSION The etiology of PCS is multifactorial,owing to the growing metrics that have associations with its incidence.This conclusion is validated by the significance of prosthesis design as the most likely parameter involved in developing PCS since different prosthesis designs are often the result of different parameters.Future studies should be directed at isolating individual prosthetic parameters of prosthesis designs in order to determine what permutation of parameters is most closely associated with the development of PCS. | Sean Bertram Sequeira James Scott Wendy Novicoff Quanjun Cui | 2020 | World Journal of Orthopedics2020，11，3： | 0 |
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