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Over the last few decades, the All-Poly Monoblock Tibia has been relegated to a minimum use in the major healthcare systems of the western world. The main reason for this has been the perception that this tibial component is inferior in its ability to withstand stresses. This perception originated and subsequently gained ground, due to certain historical reasons, leading to the widespread use of the modular metal-backed tibial component despite a higher cost.

The recent economic downturn has enforced even the rich western healthcare systems to look for cost-effective solutions. The author works in India, where the society is still highly price-sensitive and takes value for money very seriously. Further, the routine ADL of the Indian population requires them to adopt high flexion postures such as cross-legged sitting and squatting. The author has used the All-Poly Tibia extensively, which is the most economical of tibial components. Further, he has developed a surgical technique which has resulted in his patients achieving high flexion (greater than 135 degrees) in more than 75% cases.

This paper presents the 10 year results of a series of 500 cases of Primary TKR in which the All-Poly Monoblock Tibia had been used. All the patients had cross-legged sitting activity as part of their ADL, thus presumably generating significant pressures on the joint surfaces. Of the original 500 cases, we could follow up 434 cases. We report a 96% survival rate of the implant in this series. There was not a single aseptic plastic failure. The revisions required were due to infection, peri-prosthetic fracture, and instability.

The message being conveyed in this paper is that the All-Poly Tibia is a very cost-effective solution in routine Primary TKRs, and is able to deliver excellent long-term results even in high stress situations like cross-legged sitting activity. It would offer a huge cost savings to the healthcare system if the Orthopaedic Surgeons start using this implant more frequently.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVII | Pages 502 - 502
1 Sep 2012
Renkawitz T Koller M Bonnlaender G Drescher J Riederer T Grifka J Schaumburger J Lechler P
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Background. For some time, optimized perioperative pathway protocols have been implemented in orthopedic surgery. In our hospital an accelerated clinical pathway has been successfully in effect for several years, focused on safely decreasing patients' length of stay and increasing their function at the time of discharge. The aim of the present project was to evaluate whether a further optimization is even more promising regarding early postoperative outcome parameters. Materials and Methods. Prospective, parallel group design in an Orthopaedic University Medical Centre. 143 patients, scheduled for unilateral primary total knee replacement (TKR) under perioperative regional analgesia were included. 76 patients received a Standard Accelerated Clinical Pathway (SACP). 67 patients received an Optimized Accelerated Clinical Pathway (OACP) including patient-controlled regional analgesia pumps, ultra-early/doubled physiotherapy and motor driven continuous passive motion machine units. Main measures were early postoperative pain on a visual analogue scale, consumption of regional anaesthetics, knee range of motion, time out of bed, walking distance/stair climbing, circumference measurements and Knee Society Scores of the operated leg. Patients in both groups were checked for a possible discharge by a blinded orthopedic surgeon on the 5th and 8th postoperative (po) day, using a discharge checklist including the KATZ Index of Independence in Activities of Daily Living, standard requirements for pain at rest/mobilization, walking distance and regular wound healing. A potential discharge was only approved if the patient was able to meet all six criteria from the discharge checklist. Re-admission within 6 weeks after discharge from hospital was registered. Results. Patients within the OACP had significant benefits regarding stair climbing/walking distance/time-out-of bed/circumference measurements of the thigh/Knee Society function score on the 5th po day and stair climbing/circumference measurements of the thigh on the 8th po day, and reduction of the consumption of regional anaesthetics. No significant reduction in length of stay was observed. Discussion. Early postoperative functional process indicators tended to be higher within the OACP group, but the main effects flatten in the course of the first eight postoperative days. Further, prospective randomised clinical trials with uniform, objective discharge criteria are needed


The Bone & Joint Journal
Vol. 102-B, Issue 9 | Pages 1229 - 1241
14 Sep 2020
Blom RP Hayat B Al-Dirini RMA Sierevelt I Kerkhoffs GMMJ Goslings JC Jaarsma RL Doornberg JN

Aims

The primary aim of this study was to address the hypothesis that fracture morphology might be more important than posterior malleolar fragment size in rotational type posterior malleolar ankle fractures (PMAFs). The secondary aim was to identify clinically important predictors of outcome for each respective PMAF-type, to challenge the current dogma that surgical decision-making should be based on fragment size.

Methods

This observational prospective cohort study included 70 patients with operatively treated rotational type PMAFs, respectively: 23 Haraguchi Type I (large posterolateral-oblique), 22 Type II (two-part posterolateral and posteromedial), and 25 (avulsion-) Type III. There was no standardized protocol on how to address the PMAFs and CT-imaging was used to classify fracture morphology and quality of postoperative syndesmotic reduction. Quantitative 3D-CT (Q3DCT) was used to assess the quality of fracture reduction, respectively: the proportion of articular involvement; residual intra-articular: gap, step-off, and 3D-displacement; and residual gap and step-off at the fibular notch. These predictors were correlated with the Foot and Ankle Outcome Score (FAOS) at two-years follow-up.


The Bone & Joint Journal
Vol. 101-B, Issue 9 | Pages 1138 - 1143
1 Sep 2019
MacDonald DRW Caba-Doussoux P Carnegie CA Escriba I Forward DP Graf M Johnstone AJ

Aims

The aim of this study was to compare the incidence of anterior knee pain after antegrade tibial nailing using suprapatellar and infrapatellar surgical approaches

Patients and Methods

A total of 95 patients with a tibial fracture requiring an intramedullary nail were randomized to treatment using a supra- or infrapatellar approach. Anterior knee pain was assessed at four and six months, and one year postoperatively, using the Aberdeen Weightbearing Test – Knee (AWT-K) score and a visual analogue scale (VAS) score for pain. The AWT-K is an objective patient-reported outcome measure that uses weight transmitted through the knee when kneeling as a surrogate for anterior knee pain.


The Journal of Bone & Joint Surgery British Volume
Vol. 90-B, Issue 12 | Pages 1602 - 1607
1 Dec 2008
Bogner R Hübner C Matis N Auffarth A Lederer S Resch H

The surgical treatment of three- and four-part fractures of the proximal humerus in osteoporotic bone is difficult and there is no consensus as to which technique leads to the best outcome in elderly patients. Between 1998 and 2004 we treated 76 patients aged over 70 years with three- or four-part fractures by percutaneous reduction and internal fixation using the Humerusblock.

A displacement of the tuberosity of > 5 mm and an angulation of > 30° of the head fragment were the indications for surgery.

Of the patients 50 (51 fractures) were available for follow-up after a mean of 33.8 months (5.8 to 81). The absolute, age-related and side-related Constant scores were recorded. Of the 51 fractures, 46 (90.2%) healed primarily. Re-displacement of fragments or migration of Kirschner wires was seen in five cases. Necrosis of the humeral head developed in four patients. In three patients a secondary arthroplasty had to be performed, in two because of re-displacement and in one for necrosis of the head. There was one case of deep infection which required a further operation and one of delayed healing.

The mean Constant score of the patients with a three-part fracture was 61.2 points (35 to 87) which was 84.9% of the score for the non-injured arm. In four-part fractures it was 49.5 points (18 to 87) or 68.5% of the score for the non-injured arm.

The Humerusblock technique can provide a comfortable and mobile shoulder in elderly patients and is a satisfactory alternative to replacement and traditional techniques of internal fixation.


The Journal of Bone & Joint Surgery British Volume
Vol. 92-B, Issue 1 | Pages 116 - 122
1 Jan 2010
Parker MI Pryor G Gurusamy K

We undertook a prospective randomised controlled trial involving 400 patients with a displaced intracapsular fracture of the hip to determine whether there was any difference in outcome between treatment with a cemented Thompson hemiarthroplasty and an uncemented Austin-Moore prosthesis. The surviving patients were followed up for between two and five years by a nurse blinded to the type of prosthesis used.

The mean age of the patients was 83 years (61 to 104) and 308 (77%) were women. The degree of residual pain was less in those treated with a cemented prosthesis (p < 0.0001) three months after surgery. Regaining mobility was better in those treated with a cemented implant (p = 0.005) at six months after operation. No statistically significant difference was found between the two groups with regard to mortality, implant-related complications, re-operations or post-operative medical complications.

The use of a cemented Thompson hemiarthroplasty resulted in less pain and less deterioration in mobility than an uncemented Austin-Moore prosthesis with no increase in complications.


The Journal of Bone & Joint Surgery British Volume
Vol. 87-B, Issue 6 | Pages 837 - 840
1 Jun 2005
Azzopardi T Ehrendorfer S Coulton T Abela M

We performed a prospective, randomised study on 57 patients older than 60 years of age with unstable, extra-articular fractures of the distal radius to compare the outcome of immobilisation in a cast alone with that using supplementary, percutaneous pinning.

Patients treated by percutaneous wires had a statistically significant improvement in dorsal angulation (mean 7°), radial length (mean 3 mm) and radial inclination (mean 3 mm) at one year. However, there was no significant difference in functional outcome in terms of pain, range of movement, grip strength, activities of daily living and the SF-36 score except for an improved range of movement in ulnar deviation in the percutaneous wire group. One patient developed a pin-track infection which required removal of the wires at two weeks.

We conclude that percutaneous pinning of unstable, extra-articular fractures of the distal radius provides only a marginal improvement in the radiological parameters compared with immobilisation in a cast alone. This does not correlate with an improved functional outcome in a low-demand, elderly population.