Patient selection is key to the success of medial unicondylar knee arthroplasty (UKA). Progression of arthritis is the most common indication for revision. Various methods of assessing the lateral compartment have been used including stress radiography, radioisotope bone scanning, MRI, and visualisation at the time of surgery. Arthroscopy is another means of assessing the integrity of the lateral compartment. We used per-operative arthroscopy as a means to confirm suitability for UKA in a consecutive series of 279 Oxford medial UKA. This study reports the long-term results of a previously published cohort of knees. Our series of UKA with per-operative arthroscopy (Group 1) was compared to all Oxford UKA (Group 2) and all UKA in the Australian Orthopaedic Association National Joint Replacement Registry (AOANJRR) (Group 3).Abstract
Introduction
Methods
Augmentation of meniscus repairs with fibrin clot may enhance the healing capacity. Pulling the clot into the tear with a suture ensures that it stays in position. This paper aims to assess the outcome of this technique. 52 patients over 4 years undergoing suture repair of a meniscus tear with blood clot augmentation were collected from a prospective database. Follow up included outcome scores and a questionnaire. Failure was defined as pain or further surgery secondary to meniscal pathology.Abstract
Introduction
Methods
Many of the questionnaire based scoring systems (i.e. Rowe score) require some form of clinical assessment. These clinical components can be very difficult to perform on a large scale particularly when a patient lives a long distance from clinic. We have attempted to counter this problem by asking the patient to asses their own range of motion. The aim of this study was to test the agreement between patient and clinician measured shoulder external rotation range using a photo based self-assessment tool. Fifty-one professional and semi-professional rugby players were recruited to assess shoulder external rotation range. Each player was presented with a photo based shoulder external rotation range self-assessment tool, which featured four photos of progressive shoulder external rotation in 2 positions, 900 abduction (150, 300, 450 & 600 of external rotation) and 00 abduction (700, 800, 900 & 1000 of external rotation). The players were asked to perform active external rotation in these two positions and mark the image which best matched their maximal external rotation. The player was then independently assessed using the same tool, by a clinician. The difference between the player's and the clinician's assessment was analysed using a weighted Kappa test. The Kappa for the shoulder external rotation in 900 abduction was 0.75 and 0.71 for left and right respectively, and 0.57 and 0.55 for shoulder external rotation in 00 abduction. Thus, the strength of agreement between the player's and clinician's assessment of shoulder external rotation is good in 900 abduction and moderate in 00 abduction. These results demonstrate that the photo-based shoulder external rotation range self-assessment tool is a very useful addition to researchers' and clinicians' toolkits and may be most useful when a patient lives a great distance from/or is unable to attend a clinic.
After meniscetomy there is an increased risk of tibiofemoral arthritis. In recent times there has been an increased emphasis on preservation of healthy meniscal tissue. When this cannot be achieved some patients may benefit from allograft transplantation. This aims to restore meniscal function and so limit pain and the development of arthritis. This is an evolving area with controversy surrounding patient selection, tissue harvesting and sterilisation, longterm outcome and overall efficacy. Twenty-eight patients have undergone 30 meniscal transplants beginning in 2001. All transplants have been performed by the senior author. The mean age at surgery was 37.7 years (range 20–51), there were 16 males and 12 females. At the time of the index operation nine patients underwent additional procedures on the same knee. All patients are scored using recognised knee scoring systems including the Oxford, IKDC and Lysholm scores. All patients are being followed up regularly with clinical assessment and repeat scores. To date the average follow up is 34.3 months (range 6–84). There have been 12 patients requiring further arthroscopy (three with complete meniscal transplant failure). The average increases in Lysholm, Oxford and IKDC scores were 10.7, 7.6 and 8.6 respectively. Lack of donors is the current limitation to performing transplants in Brisbane. 61 patients are currently awaiting suitable menisci and in the last 12 months there have been only three donors. A national registry may address this issue but raises problems related to uniform retrieval, storage, sizing and availability. Early results are encouraging with the majority of patients experiencing pain relief and improvement of function over time.
We have an aggressive approach to meniscal repair, including repairing tears other than those classically suited to repair. Elite athletes represent the subgroup of patients who place the most demand on the menisci and as a result, place maximum stress on any meniscal repair. Here we present the medium to long-term outcome of meniscal repair (inside-out) in the elite athlete. 42 elite athletes underwent 45 meniscal repairs between January 1990 and July 1997 were identified from a prospective database. All repairs were performed using an arthroscopically assisted inside-out technique. All patients returned a completed questionnaire (Lysholm and IKDC) to determine their current function and any symptoms or interventions that we were unaware of. 67% medial and 33% lateral menisci were repaired (3 patients had both medial and lateral menisci repaired). 83.3% of these repairs were associated with simultaneous ACL reconstruction. The average time from injury to surgery was 11 months (range 0–45 months). Follow-up time was a mean of 8.5 years (range 5.4 to 12.6 years). In general, function was good with an average Lysholm and subjective IKDC scores of 89.6 and 85.4 respectively. 81% of patients returned to their main sport and most to a similar level at a mean time of 10.4 months post-repair. We identified 11 definite failures, 10 medial and 1 lateral meniscus that ultimately required arthroscopic excision, this represents a 24% failure rate. We identified one further patient who had possible failed repairs, giving a worse case failure rate of 26.7% at a mean of 42 months post surgery. However, 7 of these failures were associated with a further injury, and 2 of the 7 failures ruptured their ACL reconstruction. Therefore the repairs had healed and were torn with reinjury. In this series medial meniscal repairs were Significantly more likely to fail than lateral meniscal repairs, with a failure rate of 36.4% and 5.6% respectively (p<
0.05). This series reflects an aggressive approach to meniscal repair with repair of tears in a high demand elite group of patients. Despite this, on a worst case analysis 73% were intact at a mean of 8.5 years post repair. We conclude that meniscal repair and healing is possible and that most patients can return to preinjury level of activity.
This study reports our long-term results of arthroscopically assisted meniscal suture using an inside-out technique. Between January 1990 and July 1997, 112 patients underwent 121 meniscal repairs in 112 knees. The average follow-up is 8.7 years (range 5.4 to 12.9 years). Repairs consisted of interrupted sutures using 2.0 PDS. Sutures were placed arthroscopically using a suture shuttle system and tied behind the capsule after making a small postero-medial or posterolateral incision. The meniscus and bed was prepared using a Rasp or hand-held instruments. Fibrin clot techniques were not used. 79% of patients had associated ACL reconstruction in addition to meniscal suture. All surgery was carried out by our senior author (PTM). Rehabilitation involved non-weight-bearing in an extension splint for 3 weeks and partial weight-bearing for a further 3 weeks followed by a progressive rehabilitation programme. The average age at surgery was 23.9 years (range 12.2 to 57.7 years). The average time from injury to surgery was 13.5 months (range 0 to 60 months). There were 74 males and 38 females. 51% of patients were professional or semi-professional athletes. Repair involved 79 medial menisci, 42 lateral menisci. The average number of sutures used was 3.8 (range 1 to 12). Operative findings and procedure were entered prospectively into a database. Patients were assessed clinically until recovery and long-term follow-up consisted of a detailed postal questionnaire. The average Lysholm scores were 86.4, with 59% excellent, 16% good, 17% fair and 8% poor. IKDC subjective scores averaged 82.0, with 40% excellent, 21% good, 27% fair and 12% poor. Confirmed failure of meniscal repair (as indicated by MRI or re-arthros-copy) has been identified in 11.8% of patients. A further 10.8% have a probable failure based on a recurrence of mechanical symptoms. Of the failures 73% were professional or semi-professional sportsman. Their average return to sport after surgery was 9.5 months (range 3 to 18 months). Failure was reported at an average of 29.3 months after surgery (range 0 to 84 months). With an aggressive approach towards meniscal preservation we have achieved a success rate of 77.4% at an average follow-up of 8.7 years. The majority of these tears are vertical posterior horn or large bucket handle and associated with an ACL reconstruction. The majority of patients are young and involved in a high level of sporting activity.
This study reports our long-term results of arthroscopically assisted meniscal suture using an inside-out technique. Between January 1990 and July 1997, 112 patients underwent 121 meniscal repairs in 112 knees. The average follow up is 8.7 years (range 5.4 to 12.9 years). Repairs consisted of interrupted sutures using 2.0 PDS. Sutures were placed arthroscopically using a suture shuttle system and tied behind the capsule after making a small posteromedial or posterolateral incision. The meniscus and bed was prepared using a Rasp or hand-held instruments. Fibrin clot techniques were not used. 79% of patients had associated ACL reconstruction in addition to meniscal suture. All surgery was carried out by our senior author (PTM). Rehabilitation involved non-weight bearing in an extension splint for 3 weeks and partial weight bearing for a further 3 weeks followed by a progressive rehabilitation program. The average age at surgery was 23.9 years (range 12.2 to 57.7 years). The average time from injury to surgery was 13.5 months (range 0 to 60 months). There were 74 males and 38 females. 51% of patients were professional or semi-professional athletes. Repair involved 79 medial menisci, 42 lateral menisci. The average number of sutures used was 3.8 (range 1 to 12). Operative findings and procedure were entered prospectively into a database. Patients were assessed clinically until recovery and long-term follow up consisted of a detailed postal questionnaire. The average Lysholm scores were 86.4, with 59% excellent, 16% good, 17% fair and 8% poor. IKDC subjective scores averaged 82.0, with 40% excellent, 21% good, 27% fair and 12% poor. Confirmed failure of meniscal repair (as indicated by MRI or re-arthroscopy) has been identified in 11.8% of patients. A further 10.8% have a probable failure based on a recurrence of mechanical symptoms. Of the failures 73 % were professional or semi-professional sportsman. There average return to sport after surgery was 9.5 months (range 3 to 18 months). Failure was reported at an average of 29.3 months after surgery (range 0 to 84 months). With an aggressive approach towards meniscal preservation we have achieved a success rate of 77.4% at an average follow-up of 8.7 years. The majority of these tears are vertical posterior horn or large bucket handle and associated with an ACL reconstruction. The majority of patients are young and involved in a high level of sporting activity.