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Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_13 | Pages 7 - 7
1 Sep 2014
Ajai A
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The lack of a universal, consistent protocol for the subjective, objective and radiographic evaluation of these injuries has hampered the comparison of results. Methods. 45 patients with complex fractures of the calcaneus were included in this prospective study, which was undertaken from July 2003 to December 2005. The fracture classification of Essex-Lopresti was used. We also observed the extent of secondary fracture lines extending from the primary shear line (on axial and external oblique plain radiographs) to establish comminution. The external oblique view for subtalar joint was performed with the patient supine, the knee at about 60 degree of flexion and the limb rotated externally 45 degree with a vertical X ray beam. All of these patients were managed by an external fixator using the principle of ligamentotaxis. Patients were evaluated by AOFAS. Results. We identified two broad patterns of secondary lines on plain X-rays:. with anterior secondary fracture lines and. with posterior secondary fracture lines. There were 20 cases of tongue type and 25 of joint depression type fracture pattern by the Essex-Lopresti classification. Forty two (93.4%) patients had fractures with posterior secondary fracture line and 3 (6.7%) patients had anterior secondary lines. The calcaneo-cuboid type of anterior secondary line pattern was present in 2 (4.5%) cases, and the plantar type in only 1 (2.5%) case. We observed posterior secondary line Type A pattern in 2 (4.5%) cases, depression / central depression type B in 20 (44.5%) cases, tongue shaped Type C pattern in 16 (36.5%) cases and Type D severely comminuted fracture line pattern in 4 (8.7%) cases. Conclusion. Comminution was significantly associated with prognosis and final outcome. Evaluation of secondary fracture lines corresponds with comminution of fractures of the calcaneus and the final outcome of these fractures. NO DISCLOSURES


The Bone & Joint Journal
Vol. 104-B, Issue 6 | Pages 721 - 728
1 Jun 2022
Johansen A Ojeda-Thies C Poacher AT Hall AJ Brent L Ahern EC Costa ML

Aims

The aim of this study was to explore current use of the Global Fragility Fracture Network (FFN) Minimum Common Dataset (MCD) within established national hip fracture registries, and to propose a revised MCD to enable international benchmarking for hip fracture care.

Methods

We compared all ten established national hip fracture registries: England, Wales, and Northern Ireland; Scotland; Australia and New Zealand; Republic of Ireland; Germany; the Netherlands; Sweden; Norway; Denmark; and Spain. We tabulated all questions included in each registry, and cross-referenced them against the 32 questions of the MCD dataset. Having identified those questions consistently used in the majority of national audits, and which additional fields were used less commonly, we then used consensus methods to establish a revised MCD.


Orthopaedic Proceedings
Vol. 92-B, Issue SUPP_I | Pages 72 - 72
1 Mar 2010
Goemaere S Boutsen Y Declercq L Poriau S Geusens P Devogelaer J
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Objective: The FORWARD project intended to improve osteoporosis care in Fracture patients in Orthopedic WARDs (FORWARD) in the Belgian hospital care setting.

Methods: Orthopedic surgeons willing to participate in the program were requested to actively refer their patients with clinical fractures for bone densitometry and an osteoporosis specialist’s advice. Data collection was done by a short easy to complete summary questionnaire.

Results: Data from 7758 fracture patients were collected. In hospital patients and females represented respectively 84% and 75% of the cases. Fracture prevalence in the study population peaked at the age of 75 to 85 years both in men and women, respectively 35% and 42%. The main fracture type were hip (45%), other (25%), spine (9%), wrist (8%), pelvis (7%) and humerus (7%). Previous clinical fractures were reported in 22% of the patients. Appointments for DXA examination were made in 66% (n = 5112) of the patients and results were obtained from 55% (n = 4274). The WHO diagnostic classification was as follows: osteoporosis 56%, osteopenia 33% and normal bone density 11%. 3855 patients were referred for diagnostic confirmation of the problem by an osteoporosis specialist. Final clinical diagnosis of osteoporosis was accepted in 2150 cases (27% of all patients and 42% of DXA referrals). Treatment with calcium and vitamin D was started in 2510 patients (32%) and with bisphosphonates in 1717 patients (22%). No data about compliance to these treatments were obtained in the present project.

Conclusion: The FORWARD referral program for fracture patients in orthopedic wards for DXA investigation and osteoporosis specialists’ advice resulted in the identification of osteoporosis in 27% of all fracture patients. Implementing effective measures and treatments for (secondary) fracture prevention in this high risk population could lead to cost-savings in the short term. Initiatives to promote the patient flow needs to be elaborated and maintained by an active local care organisation.


Orthopaedic Proceedings
Vol. 102-B, Issue SUPP_11 | Pages 82 - 82
1 Dec 2020
Zderic I Breceda A Schopper C Schader J Gehweiler D Richards G Gueorguiev B Sands A
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It is common belief that consolidated intramedullary nailed trochanteric femur fractures can result in secondary midshaft or supracondylar fractures, involving the distal screws, when short or long nails are used, respectively. In addition, limited data exists in the literature to indicate when short or long nails should be selected for treatment. The aim of this biomechanical cadaveric study was to investigate short versus long Trochanteric Femoral Nail Advanced (TFNA) fixation in terms of construct stability and generation of secondary fracture pattern following trochanteric fracture consolidation. Eight intact human cadaveric femur pairs were assigned to 2 groups of 8 specimens each for nailing using either short or long TFNA with blade as head element. Each specimen was first biomechanically preloaded at 1 Hz over 2000 cycles in superimposed synchronous axial compression to 1800 N and internal rotation to 11.5 Nm. Following, internal rotation to failure was applied over an arc of 90° within 1 second under 700 N axial load. Torsional stiffness, torque at failure, angle at failure and energy at failure were evaluated. Fracture patterns were analyzed. Outcomes in the groups with short and long nails were 9.7±2.4 Nm/° and 10.2±2.9 Nm/° for torsional stiffness, 119.8±37.2 Nm and 128.5±46.7 Nm for torque at failure, 13.5±3.5° and 13.4±2.6° for angle at failure, and 887.5±416.9 Nm° and 928.3±461.0 Nm° for energy at failure, respectively, with no significant differences between them, P≥0.167. Fractures through the distal locking screw occurred in 5 and 6 femora instrumented with short and long nails, respectively. Fractures through the lateral entry site of the head element were detected in 3 specimens within each group. For short nails, fractures through the distal shaft region, not interfacing with the implant, were detected in 3 specimens. From biomechanical perspective, the risk of secondary peri-implant fracture after intramedullary nailed trochanteric fracture consolidation is similar when using short or long TFNA. Moreover, for both nail versions the fracture pattern does not unexceptionally involve the distal locking screw


Bone & Joint Open
Vol. 4, Issue 7 | Pages 472 - 477
1 Jul 2023
Xiang W Tarity TD Gkiatas I Lee H Boettner F Rodriguez JA Wright TM Sculco PK

Aims. When performing revision total hip arthroplasty using diaphyseal-engaging titanium tapered stems (TTS), the recommended 3 to 4 cm of stem-cortical diaphyseal contact may not be available. In challenging cases such as these with only 2 cm of contact, can sufficient axial stability be achieved and what is the benefit of a prophylactic cable? This study sought to determine, first, whether a prophylactic cable allows for sufficient axial stability when the contact length is 2 cm, and second, if differing TTS taper angles (2° vs 3.5°) impact these results. Methods. A biomechanical matched-pair cadaveric study was designed using six matched pairs of human fresh cadaveric femora prepared so that 2 cm of diaphyseal bone engaged with 2° (right femora) or 3.5° (left femora) TTS. Before impaction, three matched pairs received a single 100 lb-tensioned prophylactic beaded cable; the remaining three matched pairs received no cable adjuncts. Specimens underwent stepwise axial loading to 2600 N or until failure, defined as stem subsidence > 5 mm. Results. All specimens without cable adjuncts (6/6 femora) failed during axial testing, while all specimens with a prophylactic cable (6/6) successfully resisted axial load, regardless of taper angle. In total, four of the failed specimens experienced proximal longitudinal fractures, three of which occurred with the higher 3.5° TTS. One fracture occurred in a 3.5° TTS with a prophylactic cable yet passed axial testing, subsiding < 5 mm. Among specimens with a prophylactic cable, the 3.5° TTS resulted in lower mean subsidence (0.5 mm (SD 0.8)) compared with the 2° TTS (2.4 mm (SD 1.8)). Conclusion. A single prophylactic beaded cable dramatically improved initial axial stability when stem-cortex contact length was 2 cm. All implants failed secondary to fracture or subsidence > 5 mm when a prophylactic cable was not used. A higher taper angle appears to decrease the magnitude of subsidence but increased the fracture risk. The fracture risk was mitigated by the use of a prophylactic cable. Cite this article: Bone Jt Open 2023;4(7):472–477


Bone & Joint Open
Vol. 5, Issue 1 | Pages 37 - 45
19 Jan 2024
Alm CE Karlsten A Madsen JE Nordsletten L Brattgjerd JE Pripp AH Frihagen F Röhrl SM

Aims

Despite limited clinical scientific backing, an additional trochanteric stabilizing plate (TSP) has been advocated when treating unstable trochanteric fractures with a sliding hip screw (SHS). We aimed to explore whether the TSP would result in less post operative fracture motion, compared to SHS alone.

Methods

Overall, 31 patients with AO/OTA 31-A2 trochanteric fractures were randomized to either a SHS alone or a SHS with an additional TSP. To compare postoperative fracture motion, radiostereometric analysis (RSA) was performed before and after weightbearing, and then at four, eight, 12, 26, and 52 weeks. With the “after weightbearing” images as baseline, we calculated translations and rotations, including shortening and medialization of the femoral shaft.


Bone & Joint Open
Vol. 4, Issue 9 | Pages 676 - 681
5 Sep 2023
Tabu I Goh EL Appelbe D Parsons N Lekamwasam S Lee J Amphansap T Pandey D Costa M

Aims

The aim of this study was to describe the current pathways of care for patients with a fracture of the hip in five low- and middle-income countries (LMIC) in South Asia (Nepal and Sri Lanka) and Southeast Asia (Malaysia, Thailand, and the Philippines).

Methods

The World Health Organization Service Availability and Readiness Assessment tool was used to collect data on the care of hip fractures in Malaysia, Thailand, the Philippines, Sri Lanka, and Nepal. Respondents were asked to provide details about the current pathway of care for patients with hip fracture, including pre-hospital transport, time to admission, time to surgery, and time to weightbearing, along with healthcare professionals involved at different stages of care, information on discharge, and patient follow-up.


Bone & Joint Open
Vol. 5, Issue 1 | Pages 53 - 59
19 Jan 2024
Bialaszewski R Gaddis J Laboret B Bergman E Mulligan EP LaCross J Stewart A Wells J

Aims

Social media is a popular resource for patients seeking medical information and sharing experiences. periacetabular osteotomy (PAO) is the gold-standard treatment for symptomatic acetabular dysplasia with good long-term outcomes. However, little is known regarding the perceived outcomes of PAO on social media. The aims of this study were to describe the perceived outcomes following PAO using three social media platforms: Facebook, Instagram, and X (formerly known as Twitter).

Methods

Facebook, Instagram, and X posts were retrospectively collected from 1 February 2023. Facebook posts were collected from the two most populated interest groups: “periacetabular osteotomy” and “PAO Australia.” Instagram and X posts were queried using the most popular hashtags: #PAOwarrior, #periacetabularosteotomy, #periacetabularosteotomyrecovery, #PAOsurgery, and #PAOrecovery. Posts were assessed for demographic data (sex, race, location), perspective (patient, physician, professional organization, industry), timing (preoperative vs postoperative), and perceived outcome (positive, negative, neutral).


Bone & Joint Research
Vol. 12, Issue 2 | Pages 103 - 112
1 Feb 2023
Walter N Szymski D Kurtz SM Lowenberg DW Alt V Lau E Rupp M

Aims

The optimal choice of management for proximal humerus fractures (PHFs) has been increasingly discussed in the literature, and this work aimed to answer the following questions: 1) what are the incidence rates of PHF in the geriatric population in the USA; 2) what is the mortality rate after PHF in the elderly population, specifically for distinct treatment procedures; and 3) what factors influence the mortality rate?

Methods

PHFs occurring between 1 January 2009 and 31 December 2019 were identified from the Medicare physician service records. Incidence rates were determined, mortality rates were calculated, and semiparametric Cox regression was applied, incorporating 23 demographic, clinical, and socioeconomic covariates, to compare the mortality risk between treatments.


Bone & Joint Open
Vol. 4, Issue 3 | Pages 146 - 157
7 Mar 2023
Camilleri-Brennan J James S McDaid C Adamson J Jones K O'Carroll G Akhter Z Eltayeb M Sharma H

Aims

Chronic osteomyelitis (COM) of the lower limb in adults can be surgically managed by either limb reconstruction or amputation. This scoping review aims to map the outcomes used in studies surgically managing COM in order to aid future development of a core outcome set.

Methods

A total of 11 databases were searched. A subset of studies published between 1 October 2020 and 1 January 2011 from a larger review mapping research on limb reconstruction and limb amputation for the management of lower limb COM were eligible. All outcomes were extracted and recorded verbatim. Outcomes were grouped and categorized as per the revised Williamson and Clarke taxonomy.


Bone & Joint Open
Vol. 5, Issue 9 | Pages 809 - 817
27 Sep 2024
Altorfer FCS Kelly MJ Avrumova F Burkhard MD Sneag DB Chazen JL Tan ET Lebl DR

Aims

To report the development of the technique for minimally invasive lumbar decompression using robotic-assisted navigation.

Methods

Robotic planning software was used to map out bone removal for a laminar decompression after registration of CT scan images of one cadaveric specimen. A specialized acorn-shaped bone removal robotic drill was used to complete a robotic lumbar laminectomy. Post-procedure advanced imaging was obtained to compare actual bony decompression to the surgical plan. After confirming accuracy of the technique, a minimally invasive robotic-assisted laminectomy was performed on one 72-year-old female patient with lumbar spinal stenosis. Postoperative advanced imaging was obtained to confirm the decompression.


Bone & Joint Open
Vol. 2, Issue 5 | Pages 338 - 343
21 May 2021
Harvey J Varghese BJ Hahn DM

Aims

Displaced distal radius fractures were investigated at a level 1 major trauma centre during the COVID-19 2020 lockdown due to the implementation of temporary changes in practice. The primary aim was to establish if follow-up at one week in place of the 72-hour British Orthopaedic Association Standards for Trauma & Orthopaedics (BOAST) guidance was safe following manipulation under anaesthetic. A parallel adaptation during lockdown was the non-expectation of Bier’s block. The secondary aim was to compare clinical outcomes with respect to block type.

Methods

Overall, 90 patients were assessed in a cross-sectional cohort study using a mixed, retrospective-prospective approach. Consecutive sampling of 30 patients pre-lockdown (P1), 30 during lockdown (P2), and 30 during post-lockdown (P3) was applied. Type of block, operative status, follow-up, and complications were extracted. Primary endpoints were early complications (≤ one week). Secondary endpoints were later complications including malunion, delayed union or osteotomy.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_16 | Pages 48 - 48
1 Apr 2013
Chiarello E Tedesco G Cadossi M Capra P Hoque M Luciani D Giannini S
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Introduction. In elderly patients, the incidence of a second fracture in the contralateral hip within 2 years of a femoral neck fracture (FNF), ranges from 7 to 12%. Hypothesis. We want to evaluate the safety and efficacy of the Prevention Nail System (PNS), a titanium screw with a hydroxyapatite-coated thread, developed to prevent contralateral FNFs in severe osteoporotic patients. Materials and methods. From September 2008 to May 2012, 80 osteoporotic FNF patients (Tscore<;−2.5) were recruited. Patients received standard care for the fractured hip and were randomized to receive either the PNS (Group A), or nothing (Group B) in the contralateral hip. DXA, CT and X-rays of the reinforced hip were scheduled at 3, 12 and 24 months postoperative. Results. Average follow-up was 26 months. Twenty-one patients reported secondary falls. Group A: 13 patients with 9 osteoporotic fractures (3 contralateral subtrochanteric); Group B: 6 patients with a second osteoporotic fracture (3 contralateral FNF). CT scans showed no radiolucencies or PNS loosenings. Discussion and Conclusion. In Group A the hip fractures had a spiroid rime beginning from the lateral cortical entry hole; FNFs were fixed with the PNS plate. The secondary fracture occurred, in Group A patients, within a month of hospital discharge; this could be due to the implantation device drill which is wider than the body of the screw. PNS is well tolerated but subtrochanteric fractures may occur in case of difficult insertion of the device


Orthopaedic Proceedings
Vol. 92-B, Issue SUPP_I | Pages 72 - 72
1 Mar 2010
Augat P Olender G Habermann B Kurth A
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Introduction: It has recently been observed that around the site of a fracture bone loss of up to 10% can occur during the healing process. We hypothesized that trabecular bone around the site of a diaphyseal fracture is considerably diminished during the course of fracture healing and that this loss can be partly compensated by antiresorptive therapy. Methods: 45 Sprague Dawley rats were randomly divided into 3 groups: Ovariectomy (OVX), sham operation (NON-OVX) and OVX with bisphosphonate (ibandonate) treatment (OVX+BIS). All animals received a standard closed mid diaphyseal fracture of the left femur fixed with an intramedullary pin. After 4 weeks of healing both femurs were excised and scanned with Micro CT to analyze bone architecture in the femoral head. Results: There was significant osteopenia due to ovariectomy (p< 0.001). BV/TV was reduced by 30%. The fracture itself induced a similar osteopenia at the ipsilateral femur. In OVX animals the fracture induced osteopenia was potentiated by ovariectomy and amounted in a total bone deficit of 60% compared to healthy cancellous bone. Bisphosphonate treatment significantly reduced both the OVX and fracture induced osteopenia. Discussion: A fracture leads to significant localized osteopenia at locations adjacent to the fracture site. Our findings suggest that the increased risk of secondary fractures after a first osteoporotic fracture might be related to the loss of trabecular bone caused by the fracture healing process. Therefore it is important to consider prevention measures for osteoporosis during the course of fracture healing in osteoporotic patients


Orthopaedic Proceedings
Vol. 92-B, Issue SUPP_IV | Pages 585 - 585
1 Oct 2010
Hendrik CD De Vries J
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Introduction: The aim of this study was to evaluate the short-term results with use of a novel mobile-bearing design for total ankle arthroplasty (TAA). Methods: A consecutive series of 70 primary TAA in 69 patients (37 women, 32 men), replaced between 2004 and 2007 with the Ceramic Coated Implant (CCI) Evolution (Van Straten, Nieuwegein, Netherlands) prosthesis was studied prospectively. Diagnosis was: postfracture arthritis 17, instability arthritis 21 (13 combined with a varus deformity of 10°–25°), rheumatoid arthritis 25, osteoarthritis 6 and haemochromatosis 1. Mean age at surgery was 59.3 years (range 30–84). AOFAS ankle score and range of motion were assessed and survival curves calculated. Results: At follow-up, in 2008, 2 patients had deceased. Six TAA had failed for the following reasons: deep infection 1, secondary fracture 1, and aseptic loosening of the tibial component 4 (in 2 due to an increased anterior slope of the tibial component). All four mechanical failures occurred in patients with instability arthritis. Three-year survival with revision for any reason as an endpoint was 0.90 (SE 0.04). No talar components have been revised. AOFAS score increased from 35.6 (SD 14.4) preoperative to 82.3 at FU (p< 0.05), dorsiflexion increased from 4.9° to 8.6° (p< 0.05), plantarflexion from 27.4° to 30.9° (n.s.). Discussion and Conclusions: Good results were obtained in patients with rheumatoid arthritis and post-fracture arthritis. Mechanical failures of the tibial component occurred in instability arthritis and were related to malposition of the tibial component. No mechanical problems related to the talar component have been encountered


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVII | Pages 83 - 83
1 Sep 2012
Popkov D Lascombes P Popkov A Journeau P Haumont T
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Introduction. Since 2001 we use the flexible intramedullary nailing (FIN) in bone lengthening in children. This study estimates results of EF+FIN association considering the duration of external fixation and complications. Materials and Methods. Since 2001 we performed 294 bone lengthenings (338 segments of UL and LL) in 250 children 3 to 16 years old (11.01±0.23 in average). The length discrepancy was congenital in 163 cases, the sequelae of trauma or osteomyelitis were observed in 87 patients. In group I (195 cases) the Ilizarov fixator alone was applied, in group II the Ilizarov fixator (91 cases) or TSF® (8cases) were combined with FIN. The healing index was compared between the groups of the same etiology with similar type of distraction osteosynthesis. The date of consolidation corresponded to the day of removal of the external fixator, while intramedullary nails remained in place thus protecting the bone. Healing index was calculated by relating the duration of wearing of the external fixator (in days) and the amount of lengthening (in cm). Results. Reduction of the healing index is noted in each compared category. Thus, in congenital shortening in monofocal distraction osteosynthesis of the femur the healing index decreased from 29.8 (group I) to 20.4 days per cm, in bifocal tibial lengthening from 22.7 (group I) to 16.3d/cm (group II), in humeral lengthening – from 30.2 to 21.3 d/cm. In fact, it appears that the association of the external fixator of the Ilizarov type or TSF® with FIN allows to reduce the healing index significantly: in 12 of 16 compared categories the reduction of the index was from 20% to 40% or from 4.0 to 19.1 days per cm. In group I four cases of deep infection of soft tissues, 2 osteomyelitis, 21 fractures or deformities after frame removal were manifested. In group II – onlyone case of deformation after frame removal, absence of severe infectious complications, 8 cases of migration of the intramedullary wires. Discussion. FIN creates an elastic and resistant system during the lengthening. We even suggest that it stimulates the formation considering an apparent decrease of the healing index. On the other hand, the elasticity of nails prevents secondary fractures or deformations after frame removal. Conclusion. Combination of the circular EF and FIN in limb lengthening in children significantly decreases the duration of external fixation and the amount of severe infections and fractures


Orthopaedic Proceedings
Vol. 90-B, Issue SUPP_III | Pages 540 - 540
1 Aug 2008
O’Flaherty MT Thompson NW Ellis PK Barr RJ
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Introduction: Fractures of the femoral neck are common in elderly patients. Malignancy increases in incidence with increasing age. Therefore, it is inevitable that a proportion of patients with a history of malignancy will suffer a fracture of the femoral neck. Our aim was to quantify the proportion of patients admitted with a femoral neck fracture and a co-existent history of malignancy, and determine if full-length femoral radiographs are beneficial in preoperative screening of distal metastatic disease. Methods: 133 patients (47 males, 86 females) were admitted with a femoral neck fracture and co-existent history of malignant disease from January 2004 to 2006. The mean age was 80.1 years (range, 30–96 years). In 114 cases the fracture was traumatic in origin. In 19 cases the fracture was pathological, presenting most commonly with increasing pain. Primary malignancies included breast (34.6%), large bowel(21.8%), prostatic (18.0%) and bronchogenic carcinomas (6.8%). There were 73 extracapsular fractures and 60 intracapsular fractures. For the intracapsular fractures 49 cases were treated with hemiarthroplasty, 4 cases by total hip arthroplasty and 7 cases using cannulated screws. For the extracapsular fractures, 59 cases were stabilized using a DHS and 14 cases were managed by intramedullary nailing. Results: A consultant radiologist reviewed all 133 full-length femoral radiographs (AP and lateral). No patients had evidence of distal pathology visible. No patients were re-admitted with a secondary fracture relating to the development of disease in the distal femur. Conclusion: Femoral neck fractures do occur in patients with a co-existent history of malignancy. Full-length femoral radiographs of the femur are of no additional benefit for preoperative planning. These patients can be managed similarly to other patients presenting with a femoral neck fracture


Orthopaedic Proceedings
Vol. 90-B, Issue SUPP_II | Pages 256 - 256
1 Jul 2008
DOJCINOVIC S AIT SI SELMI T NEYRET P
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Purpose of the study: The objective of this study was to compare outcome after total knee arthroplasty (TKA) with a metallic tibial base versus full poly prostheses. Material and methods: This monocentric retrospective study compared 169 Tornier full poly HLS TKA (group A) with 169 TKA with a fixed metallic tibial base (group B). The two series were matched for age, gender and etiology. Mean age was 71 years and female gender predominated, 80%. Mean follow-up was 66 months. Clinical (IKS score) and radiological outcome was assessed. Statview 5.0™ was used for the statistical analysis, Student’s t test for quantitative variables and chi-square test for qualitative variables. Differences were considered significant for p< 0.05. The beta factor was 0.2. Results: The main intraoperative incidents were, weakening of the popliteal tendon (n=1) and supra and inter-condylar fracture of the femur (n=1) in group A patients and weakening of the popliteal tendon (n=2) and secondary fracture line of the medial tibial plateau (n=2) in group B patients. For group A, the knee score was 89±10.82 (mean±SD) and for group B 88.28±11.94. The function score was 68±23.75 for group A and 71±24.05 for group B. Mean flexion in both groups was 113°. Non-progressive tibial lucent lines were observed in 27 patients in group A and in 23 in group B. There were 7 replacements of the TKA in group A and 6 in group B. Survival for group A was 94.5% and 93.64% for group B. Discussion: There were no significant differences concerning function and knee scores, presence of lucent lines and prosthesis replacement between the two series (p> 0.05). Conclusion: This study did not demonstrate a superiority of the metallic tibial base TKA at five years follow-up. Use of a full poly TKA could decrease the medical cost by more than 30%


Orthopaedic Proceedings
Vol. 87-B, Issue SUPP_I | Pages 85 - 85
1 Mar 2005
Serrano-Contreras Y Martín-Castilla B Taillefer GG Guerado-Parra E
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Introduction and purpose: Infections of total hip prostheses are one of the most serious complications that beset this procedure. Their incidence in the world literature is of 1%. However this figure rises to 16% in the case of implants secondary to fractures in patients with multiple pathologies. In this study we conduct a descriptive analysis of the qualitative variables after the implementation of an action protocol to address this complication. Materials and methods: A consecutive series of 694 patients was studied (420 females, 60.52%, and 274 males, 39.48%). Out of these 233 cases were secondary to fractures ( 60 males and 173 females), which meant that treatment was administered as an emergency (in the first 48 hours), and 461 were primary (241 males and 247 females). The variables related to an infection risk were studied, a distinction being made between an acute and a chronic infection based on CCD criteria. In acute cases, surgical cleaning was performed; in subacute cases, a two-stage replacement was chosen and for chronic infections we performed a resection arthroplasty if the two-stage replacement failed. Results: We performed a frequency and exponential chi square study which yielded 37 cases (5.33%) of implant infection (11 males, 26 females).The most frequently isolated germ was Staphilococus Aureus. 74% of cases treated with surgical cleaning after a diagnosis of acute infection are now infection-free after a two-year follow-up. 60% of subacute cases, where a two-stage replacement was performed, show a satisfactory result. As regards resection arthroplasty, the success of treatment was around 92%,with a p< 0.005 value. Conclusions: Careful patient selection and early diagnosis are fundamental to obtain good results in the treatment of THP infections


Orthopaedic Proceedings
Vol. 87-B, Issue SUPP_III | Pages 385 - 385
1 Sep 2005
Shtarker H Daquar R Popov O Lichtenstein L Volpin G
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Purpose: Biomechanical studies have shown that fixation by two lateral pins of supracondylar fractures in children provide less stability than crossed pin fixation from lateral and medial sides. However, closed percutaneous medial pin fixation may be associated with ulnar nerve injury. Soft tissue edema or excessive mobility of ulnar nerve may be predisposing factors for iatrogenic ulnar nerve injury. We present our experience with the use of nerve stimulator in preventing such complications during surgery. Material and Methods: During the last two years 22 children with supracondylar fractures (20- extension type; 2- flexion type) underwent surgery by closed reduction and percutaneous crossed KW fixation. The average age was 5.3 years (range 3–9 years). Detection of the ulnar nerve location was made possible by continuous intraoperative use of nerve stimulator, connected to the medial pin during its insertion. In 4/22 Pts irritation of ulnar nerve during pin insertion was observed by the appearance of clear contractions of forearm and hand muscles, and therefore, the location of the medial pin was immediately changed. Results: In all cases anatomic reduction was achieved. No cases of nerve or vascular injury were observed. No cases of secondary fracture displacement were noted. Conclusions: Based on this study it seems that the use of intraoperative nerve stimulator, during percutaneous crossed pin fixation of supracondylar fractures in children, may assist in localizing the nerve and prevent its injury during medial pin insertion. Changes in original setting of the standard anesthesiology nerve stimulator may be performed easily in order to allow such monitoring. The use of nerve stimulator during such procedures is very simple, even in cases of emergency. Monitoring of ulnar nerve by nerve stimulator is reliable and enables safe pin placement, decreasing the risk of nerve injury