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The Bone & Joint Journal
Vol. 95-B, Issue 9 | Pages 1197 - 1200
1 Sep 2013
Zhaoning X Xu Y Shaoqi T Baiqiang H Kang S

A total of 187 patients with primary osteoarthritis (OA) of the knee undergoing total knee replacement (TKR) were randomly divided into two groups, one of which underwent synovectomy. The patients and assessors were blinded to the randomisation both before and after surgery. The duration of surgery, hospitalisation period, concealed bleeding, drainage volume, blood transfusion rate and range of movement of the knee at three days after the operation were analysed. Patients were followed up at four weeks and 12 months after their operation, and a visual analogue score (VAS) for pain, Knee Society score (KSS) and a patellar ballottement test were compared between the groups. The mean amount of concealed bleeding was higher in the synovectomy group compared with the control group (1.24 l (0.08 to 3.28) vs 1.03 l (0.16 to 2.94); p = 0.042), as was the mean drainage volume (0.90 l (0.35 to 1.81) vs 0.81 (0.25 to 1.65); p = 0.030). The mean operating time was also higher in the synovectomy group compared with the controls (1.50 hours (1.34 to 1.75) vs 1.41 hours (1.21 to 1.79); p = 0.006). There were no significant differences in blood transfusion rate (p = 0.882), hospital stay (p = 0.805) or range of movement of the knee (p = 0.413) between the two groups. At four weeks and 12 months post-operatively there were no statistically significant differences in any of the measured parameters. We concluded that synovectomy confers no clinical advantages in TKR for primary OA while subjecting patients to higher levels of bleeding and longer operating times. Cite this article: Bone Joint J 2013;95-B:1197–200


Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_6 | Pages 78 - 78
1 Mar 2017
Wang D Zhou Z
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Purpose. There is controversial whether synovectomy must be done in primary total knee arthroplasty (TKA). The objectivity of the study was to compare the effect of synovectomy on inflammation and clinical outcomes after surgical treatment of knee osteoarthritis. Methods. A total of 240 patients who underwent primary unilateral TKR were randomly divided into a group without (Group A) and with synovectomy (Group B). All operations were performed by the same surgeon and follow-up was for 4 year. Clinical outcomes (including American Knee Society score (AKS), SF-36, and HSS scores) serum inflammatory markers (including interleukin-6 (IL-6), CRP and ESR) and the difference in temperature of the affected knee skin, swelling, ROM, patients VAS satisfaction score and VAS pain score were sequentially evaluated until 4 years after surgery. Result. There were no statistically different clinical parameters between the two groups preoperatively. At the 4 years follow-up, both groups had a similarly significantly improved AKS clinical and functional score. Similar changes in serial inflammatory markers were identified in both groups. In addition, no difference was seen regarding drainage-fluid inflammatory markers at any follow-up time. There was no difference in respect to patients satisfaction score from surgery to 1 year, but Group B showed greater patients satisfaction score from 2 year to four year, with less number of patients suffering from anterior pain. There was no difference with regard to other parameters at any follow-up time. Conclusions. Synovectomy in primary TKA does not seem to have any clinical advantage and shorten the duration of the inflammatory response, but it might increase patient satisfaction score and reduce anterior knee pain


Orthopaedic Proceedings
Vol. 104-B, Issue SUPP_13 | Pages 99 - 99
1 Dec 2022
St George S Clarkson P
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Diffuse-type Tenosynovial Giant-Cell Tumour (d-TGCT) of large joints is a rare, locally aggressive, soft tissue tumour affecting predominantly the knee. Previously classified as Pigmented Villonodular Synovitis (PVNS), this monoarticular disease arises from the synovial lining and is more common in younger adults. Given the diffuse and aggressive nature of this tumour, local control is often difficult and recurrence rates are high. Current literature is comprised primarily of small, and a few larger but heterogeneous, observational studies. Both arthroscopic and open synovectomy techniques, or combinations thereof, have been described for the treatment of d-TGCT of the knee. There is, however, no consensus on the best approach to minimize recurrence of d-TGCT of the knee. Some limited evidence would suggest that a staged, open anterior and posterior synovectomy might be of benefit in reducing recurrence. To our knowledge, no case series has specifically looked at the recurrence rate of d-TGCT of the knee following a staged, open, posterior and anterior approach. We hypothesized that this approach may provide better recurrence rates as suggested by larger more heterogeneous series. A retrospective review of the local pathology database was performed to identify all cases of d-TGCT or PVNS of the knee treated surgically at our institution over the past 15 years. All cases were treated by a single fellowship-trained orthopaedic oncology surgeon, using a consistent, staged, open, posterior and anterior approach for synovectomy. All cases were confirmed by histopathology and followed-up with regular repeat MRI to monitor for recurrence. Medical records of these patients were reviewed to extract demographic information, as well as outcomes data, specifically recurrence rate and complications. Any adjuvant treatments or subsequent surgical interventions were noted. Twenty-three patients with a minimum follow-up of two years were identified. Mean age was 36.3 at the time of treatment. There were 10 females and 13 males. Mean follow-up was seven and a half years. Fourteen of 23 (60.9%) had no previous treatment. Five of 23 had a previous arthroscopic synovectomy, one of 23 had a previous combined anterior arthroscopic and posterior open synovectomy, and three of 23 had a previous open synovectomy. Mean time between stages was 87 days (2.9 months). Seven of 23 (30.4%) patients had a recurrence. Of these, three of seven (42.9%) were treated with Imatinib, and four of seven (57.1%) were treated with repeat surgery (three of four arthroscopic and one of four open). Recurrence rates of d-TGCT in the literature vary widely but tend to be high. In our retrospective study, a staged, open, anterior and posterior synovectomy provides recurrence rates that are lower than rates previously reported in the literature. These findings support prior data suggesting this approach may result in better rates of recurrence for this highly recurrent difficult to treat tumour


Orthopaedic Proceedings
Vol. 104-B, Issue SUPP_12 | Pages 64 - 64
1 Dec 2022
St George S Clarkson P
Full Access

Diffuse-type Tenosynovial Giant-Cell Tumour (d-TGCT) of large joints is a rare, locally aggressive, soft tissue tumour affecting predominantly the knee. Previously classified as Pigmented Villonodular Synovitis (PVNS), this monoarticular disease arises from the synovial lining and is more common in younger adults. Given the diffuse and aggressive nature of this tumour, local control is often difficult and recurrence rates are high. Current literature is comprised primarily of small, and a few larger but heterogeneous, observational studies. Both arthroscopic and open synovectomy techniques, or combinations thereof, have been described for the treatment of d-TGCT of the knee. There is, however, no consensus on the best approach to minimize recurrence of d-TGCT of the knee. Some limited evidence would suggest that a staged, open anterior and posterior synovectomy might be of benefit in reducing recurrence. To our knowledge, no case series has specifically looked at the recurrence rate of d-TGCT of the knee following a staged, open, posterior and anterior approach. We hypothesized that this approach may provide better recurrence rates as suggested by larger more heterogeneous series. A retrospective review of the local pathology database was performed to identify all cases of d-TGCT or PVNS of the knee treated surgically at our institution over the past 15 years. All cases were treated by a single fellowship-trained orthopaedic oncology surgeon, using a consistent, staged, open, posterior and anterior approach for synovectomy. All cases were confirmed by histopathology and followed-up with regular repeat MRI to monitor for recurrence. Medical records of these patients were reviewed to extract demographic information, as well as outcomes data, specifically recurrence rate and complications. Any adjuvant treatments or subsequent surgical interventions were noted. Twenty-three patients with a minimum follow-up of two years were identified. Mean age was 36.3 at the time of treatment. There were 10 females and 13 males. Mean follow-up was seven and a half years. Fourteen of 23 (60.9%) had no previous treatment. Five of 23 had a previous arthroscopic synovectomy, one of 23 had a previous combined anterior arthroscopic and posterior open synovectomy, and three of 23 had a previous open synovectomy. Mean time between stages was 87 days (2.9 months). Seven of 23 (30.4%) patients had a recurrence. Of these, three of seven (42.9%) were treated with Imatinib, and four of seven (57.1%) were treated with repeat surgery (three of four arthroscopic and one of four open). Recurrence rates of d-TGCT in the literature vary widely but tend to be high. In our retrospective study, a staged, open, anterior and posterior synovectomy provides recurrence rates that are lower than rates previously reported in the literature. These findings support prior data suggesting this approach may result in better rates of recurrence for this highly recurrent difficult to treat tumour


The Journal of Bone & Joint Surgery British Volume
Vol. 87-B, Issue 1 | Pages 47 - 53
1 Jan 2005
Whaley A Morrey BF Adams R

We examined the effects of previous resection of the radial head and synovectomy on the outcome of subsequent total elbow arthroplasty in patients with rheumatoid arthritis. Fifteen elbows with a history of resection and synovectomy were compared with a control group of patients who had elbow arthroplasty with an implant of the same design. The mean age in both groups was 63 years. In the study group, resection of the radial head and synovectomy had been undertaken at a mean of 8.9 years before arthroplasty. The mean radiological follow-up for the 13 available patients in the study group was 5.89 years (0.3 to 11.0) and in the control group was 6.6 years (2.2 to 12.6). There were no revisions in either group. The mean Mayo elbow performance score improved from 29 to 96 in the study group, with similar improvement in the control group (28 to 87). The study group had excellent results in 13 elbows and good results in two. The control group had excellent results in seven and good results in six. Our experience indicates that previous resection of the radial head and synovectomy are not associated with an increased rate of revision following subsequent arthroplasty of the elbow. However, there was a higher rate of complication in the study group compared with the control group


The Journal of Bone & Joint Surgery British Volume
Vol. 93-B, Issue 8 | Pages 1065 - 1070
1 Aug 2011
Tanavalee A Honsawek S Rojpornpradit T Sakdinakiattikoon M Ngarmukos S

We compared inflammation in the knee after total knee replacement (TKR) for primary osteoarthritis between two groups of patients undergoing joint replacement with and without synovectomy. A total of 67 patients who underwent unilateral TKR were randomly divided into group I, TKR without synovectomy, and group II, TKR with synovectomy. Clinical outcomes, serial serum inflammatory markers (including interleukin-6 (IL-6), CRP and ESR) and the difference in temperature of the skin of the knee, compared with the contralateral side, were sequentially evaluated until 26 weeks after surgery. Pre-operatively, there were no statistically different clinical parameters between groups I and II. At the 26-week follow-up, both groups had a similarly significantly improved American Knee Society clinical score (p < 0.001) and functional score (p < 0.001) with no differences between the groups. Similar changes in serial inflammatory markers were found in both groups, including mean peak levels of IL-6 (189 pg/ml (. sd. 53.4) versus 201 pg/ml (. sd. 49.4) for groups I and II, respectively) and CRP (91 mg/L (. sd. 24.1) versus 88 mg/L (. sd. 23.4), respectively) on the first post-operative day, returning to pre-operative values at two and six weeks, respectively. The mean peak level of ESR for the respective two groups was 46 mm/hr versus 48 mm/hr at two weeks, which had still not returned to its pre-operative mean value at 26 weeks. The elevation in the skin temperature appeared to mirror the peak elevation of the ESR, with a range of 2.5° C to 4.5° C with some reduction at 26 weeks but still exceeding the pre-operative value. We concluded that synovectomy at the time of TKR does not provide any benefit to the clinical outcome or shorten the duration of the inflammatory response after surgery


The Journal of Bone & Joint Surgery British Volume
Vol. 88-B, Issue 5 | Pages 673 - 675
1 May 2006
Church JS Breidahl WH Janes GC

We describe a case of highly refractory synovial chondromatosis, which recurred despite four arthroscopic synovectomies, a chemical synovectomy, two open synovectomies and an arthrodesis. A review of the literature revealed one similar case. Both presented with marked joint stiffness suggesting a poor prognosis. Although arthrodesis may relieve short-term symptoms it does not prevent further recurrence of disease


The Bone & Joint Journal
Vol. 97-B, Issue 4 | Pages 550 - 557
1 Apr 2015
Mollon B Lee A Busse JW Griffin AM Ferguson PC Wunder JS Theodoropoulos J

Pigmented villonodular synovitis (PVNS) is a rare proliferative process of the synovium which most commonly affects the knee and occurs in either a localised (LPVNS) or a diffuse form (DPVNS). The effect of different methods of surgical synovectomy and adjuvant radiotherapy on the rate of recurrence is unclear. We conducted a systematic review and identified 35 observational studies in English which reported the use of surgical synovectomy to treat PVNS of the knee. A meta-analysis included 630 patients, 137 (21.8%) of whom had a recurrence after synovectomy. For patients with DPVNS, low-quality evidence found that the rate of recurrence was reduced by both open synovectomy (odds ration (OR) = 0.47; 95% CI 0.25 to 0.90; p = 0.024) and combined open and arthroscopic synovectomy (OR = 0.19, 95% CI = 0.06 to 0.58; p = 0.003) compared with arthroscopic surgery. Very low-quality evidence found that the rate of recurrence of DPVNS was reduced by peri-operative radiotherapy (OR = 0.31, 95% CI 0.14 to 0.70; p = 0.01). Very low-quality evidence suggested that the rate of recurrence of LPVNS was not related to the surgical approach. . This meta-analysis suggests that open synovectomy or synovectomy combined with peri-operative radiotherapy for DPVNS is associated with a reduced rate of recurrence. Large long-term prospective multicentre observational studies, with a focus on both rate of recurrence and function, are required to confirm these findings. Cite this article: Bone Joint J 2015;97-B:550–7


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_I | Pages 85 - 85
1 Jan 2003
Schmidt K
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Ultrasound screening has shown that the shoulder joint is almost always involved in rheumatoid arthritis. But only few of rheumatoid patients suffering from omarthritis are in considerable pain. Loss of strength and mobility is often compensated by the adjacent joints. Low patients demands, as pain and swelling can be treated often temporarely successfully by corticoid injections and the need of a wide exposure of the shoulder joint when performing an open synovectomy are the reasons of the low rate of synovectomies performed in rheumatoid shoulder joints. The clinical outcome after synovectomies in rheumatoid omarthritis is generally superior to those of knee synovectomies and shows a reliable reduction of pain, swelling and an increase of ROM. The surgical trauma in open synovectomy of the shoulder results in an impairment of the complex muscle co-ordination of the shoulder and a painful long-lasting aftertreatment. This disadvantages can be prevented when using arthroscopic techniques. The advantages of the arthroscopic technique are mostly obvious in the shoulder joint. The reduced surgical trauma of the periarticular tissue leaving the proprioreception intact results in reduced postoperative pain, allowing early mobilisation and shorter rehabilitation. Arthroscopic surgery of the shoulder is performed with the patient in beach- chair position under general anesthesia. We use a standard 5mm arthroscope and a motorised synovial resector. To prevent bleeding it is advantageous to utilise cooled non-ionic irrigation solution with epinephrin in addition pressurised by a roller pump. Synovectomy of the glenohumeral joint and of the subacromial bursa is performed via four portals. Potential hazards like injury to the periarticular vessels and nerves or damage of the joint cartilage especially in stiff shoulders can only be prevented with careful proceeding. Active and passive physiotherapy starts on the first postoperative day. Our first series of 12 shoulder arthroscopies done 1989–1991 was followed 3. 8 years postoperatively. Swelling and pain at rest disappeared rapidly after surgery. Pain during motion took longer to subside. At the end of follow-up patients reported slight pain on motion in five shoulders. Postoperatively all patients reported improvement of pain. There was one recurrence of swelling due to bursitis. In this patient no bursectomy was done during shoulder arthroscopy, which is now done as a routine. There was subjectively and objectively an increase of strength postoperatively. ROM showed immediate postoperative improvement, although a slight reduction was noticed during the follow-up period. In 1990–1999 we performed 52 arthroscopical synovectomies of rheumatoid shoulders. 31 shoulders could be followed by questionnaire at a mean of 6. 5years postoperatively. Pain at rest and pain on motion was improved in about 80% and 74% respectively. Recurrence of swelling was reported by 26% of the patients. Five patients has to be operated again. The clinical outcome compare favourably with the results published about open shoulder synovectomy. Five patients with large humeral cysts were treated with arthroscopic synovectomy, arthroscopically assisted curettage and bone grafting of the cyst via a small incision at the major tuberculum. Until now none of the patients suffered from humeral collaps, no shoulder has to be replaced. In painful rheumatoid omarthritis swelling and pain can be improved reliably with arthroscopic synovectomy. The reduced surgical trauma of minimal invasive synovectomy should raise the rate of early preventive surgery


Orthopaedic Proceedings
Vol. 84-B, Issue SUPP_III | Pages 279 - 279
1 Nov 2002
Rush J Bartlett J Gibbons C
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Aim: To test the hypothesis that open surgical synovectomy of the knee results in better long-term control of chronic inflammatory synovitis of the knee than arthroscopic synovectomy. Method: To test this hypothesis a prospective clinical trial was carried out involving three groups of patients:- In Group I (22 cases in 18 patients) arthroscopic synovectomy was performed by a surgeon experienced in arthroscopy (Bartlett). In Group II (15 cases in 11 patients) open surgical synovectomy / debridement was performed (Rush). In Group III (10 cases in seven patients) arthroscopic lavage was carried without synovectomy (Rush) and this acted as a “control” group. The patients were followed up for some 10 years. At the final review the clinical and functional scores were recorded using the H.S.S. knee score system. There are obvious problems in comparing two or three groups of patients from two separate units and these are discussed. Results: The results showed that in both groups (i.e. Groups I & II) there was a significant shift to the right in the clinical and functional scores. This did not occur in the “control” group. In Group I, two cases out of 22 came to total knee replacement. In Group II, four cases out of 15 and in Group III, five cases out of 10 came to knee replacement. Conclusions: It was concluded that knee synovectomy was a worthwhile procedure and that arthroscopic synovectomy was just as good and probably better than open surgical synovectomy but it needs to be done early and by a surgeon with experience in carrying out this difficult procedure


The Journal of Bone & Joint Surgery British Volume
Vol. 37-B, Issue 3 | Pages 392 - 399
1 Aug 1955
London PS

1. Synovectomy was carried out in thirty-four knees, of which thirty-one were certainly or probably afflicted by rheumatoid arthritis. 2. Synovectomy was considered only when adequate medical and physical treatment had failed to afford relief. Its purpose is to preserve useful function, and one of the principal factors influencing the decision to operate was the retention of a normal or good radiographic joint space in a persistently painful, warm and swollen knee. 3. Radiographic appearances constituted a useful but not infallible guide to the true state of the articular surfaces. 4. The method of operation, findings and subsequent care are described. 5. Up to two years after operation it appeared that improvement might be related to the state of the articular surfaces, but after two years this relationship was not evident and an attempt to explain this difference has been made. 6. It seems clear that the longer-term results are determined mainly by the course taken by the rheumatoid process. An unfavourable course was associated with considerably less satisfactory results than was a favourable course. 7. It is concluded that in rheumatoid arthritis which has resisted rest and medical treatment synovectomy of the knee is most likely to be successful when the radiographic joint space is good or normal, and when the rheumatoid process follows a favourable course. To undertake the operation at an early stage in the disease is to leave in doubt the outcome, as this is dependent upon the as yet undeclared general course of the disease. Even so, early synovectomy is worth considering when nothing else has given relief. The fact that arthrodesis has only once been necessary after synovectomy appears to justify the policy of salvage described


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_I | Pages 83 - 83
1 Jan 2003
Rehart S
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Synovitis of the smaller hand joints leads to soft-tissue and bony affections. Radiologically Larsen/Dale/Eek (LDE) distinguish 6 stages of increasing destruction. Tendon ruptures, swan-neck and buttonhole deformities may occur. In early stages, when the ligament- and capsule structures require no balancing therapy, arthroscopic synovectomy may be indicated in order to prevent fast deteriorating of the joints and disability. We perform the endoscopic procedure in the MCP- and PIP-joints, when an oligoarticular situation is present or single digits are affected, provided that the surrounding soft tissues are intact, in LDE-stages 0 to 2/3. We use the laser additionally for completion of the synovectomy and for shrinking of the capsule. Technically it is necessary to have an short optical device of 1. 0 diameter, miniaturised instruments, shaver and the laser at one’s disposal. The radial and the ulnar incision proximal to the joint are used. A pilot study of 12 patients with an arthroscopic, laser-assisted synovectomy in 20 joints of various digits (LDE 0 – 2) are opposed to 10 patients with an open synovectomy of 24 joints. The follow-up-period amounts to 9 months (6 – 9). We have looked after the reccurrence rate, the time-lag until the patients are pain-free, the necessary rehabilitation measures, the progression of the LDE-stages, and the subjective judment of the patients. Both groups had no recurrence of the synovitis in the joints cared for surgically. The period until the patients were free of complaints in the arthroscopic group amounts to 4 days, opposed to 10 days in the open surgery group. Radiologically both groups revealed no further bony destruction according to LDE. 12 physiotherapy treatments after open synovectomy are twice the amount needed for the endoscopic group. This is true also for the time away from work: 14 days against 7 days. The arthroscopically treated patients remark favorably the discrete scars, the relatively pain-free perioperative period, low tissue trauma, quick rehabilitation. In open surgery the patients complain about large scars and long postoperative swelling of the joints. We can not guarantee the completeness of the synovectomy in both procedures. The effect of the intraoperative lavage and the assistance of the laser are not entirely clear either. The arthroscopic synovectomy itself is technically easy to perform. Although in this pilot study we have small numbers only, the results suggest that arthroscopic synovectomy is low in tissue trauma, quick in rehabilitation, perfect in patient acceptance and followed by a very short time away from work compared to open surgery


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_II | Pages 106 - 106
1 Feb 2003
Gibbons CE Gosal HS Bartlett J
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To determine the long term outcome and complications associated with arthroscopic synovectomy in 22 knees with rheumatoid arthritis. A consecutive series of 22 knees in 18 patients with seropositive RA underwent arthroscopic synovectomy for painful and swollen knees unresponsive to medical treatment. All operations were performed by the senior author. The mean age at operation was 44 years (22–64). All pre-operative Xrays showed Larsen grade 2 or less and no knees demonstrated marked joint laxity. Knee Society scores were recorded pre-operatively and at review, with a mean follow-up of 8 years(6–16). Two out of 22 knees (9%) have undergone TKR at 1 and 2 years post synovectomy. Two patients underwent further synovectomy for persistent symptoms but have since remained well. No per-operative complications were recorded but one large haemarthrosis and one stiff knee requiring manipulation were seen. The mean clinical and function scores increased by 22 and 15 points respectively at follow-up. The mean length of stay was 3 days and radiographs of the 20 knees not undergoing prosthetic replacement have all shown a small progression of degenerative radiological change. This long-term study shows that arthroscopic synovectomy in appropriately selected patients with RA is a safe and reliable procedure with a low complication rate. The surgery is technically demanding but involves a shorter in-patient stay than with open synovectomy. The development of radiological degenerative changes were seen with all patients at review


Orthopaedic Proceedings
Vol. 88-B, Issue SUPP_II | Pages 216 - 216
1 May 2006
Kanbe KK
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Purpose: In order to investigate if arthroscopic synovectomy is effective for non-responder by infliximab, anti-TNF-α antibody, for rheumatoid arthritis (RA), we assessed 7 patients including 10 arthroscopic synovectomy including in knee joint, in shoulder joint and in ankle joints respectively. Materials and Methods: We performed arthroscopic synovectomy in 10 joints of 7 patients to compare CRP and DAS28 before and after surgery at 6 and 50 weeks. Those patients include 1 male and 6 female from 49 to 68 years old with average of 62 years old. 3 patients was underwent arthroscopic synovectomy after 4 times of infliximab, 2 patients were after 5 times and 2 patient was 6 times. All patients were initially responder to infliximab and MTX but gradually the effect decreased, the average of CRP was 3.45±0.4 (2.7–5.6) mg/dl at the surgery. The indication of operation was that after treatment infliximab CRP was more than 2.5 mg/dl and the numbers of arthritis joints were limited to within five joints of relatively large joints such as knee, shoulder including ankles and wrists. After arthroscopic synovectomy we continued infliximab treatment with MTX in routine manner. Results: We detected synovium proliferation with vascular increase in patella femoral (PF) joint and around the meniscus and femoral and tibial side of the anterior cruciate ligament (ACL) in the knee joints. We also found synovial proliferation in rotator interval (RI) in the glenohumeral joint and fatty changing in subacromial bursa (SAB) in shoulder. In ankle joint we found synovial proliferation with white meniscoid between tibiofibular joint to develop impingement. Serum CRP was improved from 3.45±0.4 to 1.12±0.2 at 6 weeks, 1.22±0.4 at 50 weeks after arthroscopic synovectomy. There is no severe side effects by arthroscopic synovectomy during infliximab treatment, however 1 patient had slight rash that was improved. DAS28 was improved from 5.58±0.23, to 3.87±0.47 at 6 weeks, improved to 2.58±1.49 at 50 weeks after arthroscopic synovectomy. Conclusion: It is possible that arthroscopic synovectomy can be one of the effective method to continue infliximab treatment when its efficacy decreased or in non-respond of infliximab for RA patients


Orthopaedic Proceedings
Vol. 88-B, Issue SUPP_II | Pages 211 - 212
1 May 2006
Inoue KK
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Purpose: Synovium proliferation of rheumatoid arthritis (RA) is a key role in development of destruction in articular joints. Arthroscopic synovectomy is quite useful for resection synovium less invasively for RA patients. However there are few papers about shoulder joint synovectomy of rheumatoid arthritis. Ho-YAG laser is also effective to decrease synovium proliferation. The advantage of using Ho-YAG laser is effective to pannus even in deep zone of bone erosion. In this paper, we treated 13 shoulders of 11 patients of RA by using Ho-YAG laser to assess whether Ho-YAGH laser is effective in shoulder arthroscopic synovectomy of RA. Materials and Methods: We treated 13 shoulders in 11 patients of RA, including 8 in stage II, 4 in stage III, 1 in stage IV. The duration of RA is an average of 4, 6 years. The follow-up period is an average of 14 months. We compared CRP, DAS28 and MRI findings before and after surgery. Those patients were taking DMARDs such as MTX in 8 patients, steroid in 3 patients infliximab in 1 patient and etanercept in 1 patient. We used 4.0 mm arthroscope, VAPR and shaver for synovectomy. Ho-YAG laser set to 10W to bone erosion area to reach deep zone of pannus and to resect synovium. Results: We found villous synovium proliferation with vascularity in rotator interval and supraspinatus tendon in shoulder joint. In subacromial bursa, yellow fat tissue and white fibrous soft tissue was detected almost all shoulders. After synovectomy by using Ho-YAG laser, CRP was decreased from an average of 3.6 to 0.8 and DAS28 was also decreased an average of 5.4 to 3.7 at 14 month after surgery. MRI showed decreased pannus with synovium and joint destruction was not preceding after 14 month. Discussion: Ho-YAG laser is effective for using shoulder arthroscopic synovectomy especially to treat pannus in bone erosion. The amount of energy of Ho-YAG laser for synovectomy is not clear so far. We used 10W for 5 second in each area that could be effective to decrease pannus formation. We would further investigate in the basic experimental levels to confirm Ho-YAG laser efficacy


Orthopaedic Proceedings
Vol. 88-B, Issue SUPP_II | Pages 215 - 215
1 May 2006
Nakagawa N Saegusa Y Abe S Ishikawa H
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Purpose: Rheumatoid arthritis (RA) frequently affects the finger joints. Persistent synovitis is believed to cause not only bone destruction but also various deformities of the hands. For this reason, synovectomy of the finger joints is attempted when chronic swelling of the synovium of finger joints does not respond to any conservative treatment. The purpose of this study is to evaluate the effectiveness of surgical synovectomy of finger joints in RA patients. Method: Forty-six finger joints (MP 24; Steinbrocker Stage II: 8, Stage III: 16) (PIP 22; Stage I: 5, Stage II: 9, Stage III: 8) of 20 patients with rheumatoid arthritis who had synovectomy were examined at an average of 20 months follow-up (range 14–43 months). The active motion exercises of the operated fingers started as early as 2 or 3 days after surgery. The results of synovectomy in these patients were evaluated by pain, range of motion, and radiograph. Results: Pain was relieved (Visual analogue scale MP: 6.5→1.4, PIP: 6.2→0.7), swelling was diminished in all and only a little loss of motion was observed (arc of motion MP: 59.8→53.4, PIP: 75.5→69.6) after surgery. Radiological bone changes progressed in 4 (17%) MP and 3 (14%) PIP joints. Deformities (ulnar drift or subluxation) after surgery developed in 3 (12%) MP-joints. Conclusion: Synovectomy performed on finger joints of RA patients were evaluated. From the results of this clinical study we recommend synovectomy of finger joints in RA patients before bone changes, when chronic synovitis of finger joints does not respond to any conservative treatment


Orthopaedic Proceedings
Vol. 84-B, Issue SUPP_III | Pages 227 - 227
1 Nov 2002
Gibbons C Gosal H Bartlett J
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Aim of study: To determine the long term outcome and complications associated with arthroscopic synovectomy in 22 knees with rheumatoid arthritis. Methods: A consecutive series of 22 knees in 18 patients with seropositive RA underwent arthroscopic synovectomy for painful and swollen knees unresponsive to medical treatment. All operations were performed by the senior author. The mean age at operation was 44 years(22–64). All pre-operative Xrays showed Larsen grade 2 or less and no knees demonstrated marked joint laxity. Knee Society scores were recorded pre-operatively and at review, with a mean follow-up of 8 years (6–16). Results: Two out of 22 knees(9%) have undergone TKR at 1 and 2 years post synovectomy. One patient underwent a further synovectomy for persistent swelling at 2 years and has since remained well. No per-operative complications were recorded but one large haemarthrosis and one stiff knee requiring manipulation were seen. The mean clinical and function scores increased by 22 and 15 points respectively at follow-up. The mean length of stay was 3 days and Xrays of the 20 knees not undergoing prosthetic replacement have all shown a small progression of degenerative radiological change. Conclusion: This long-term study shows that arthroscopic synovectomy in appropriately selected patients with RA is a safe and reliable procedure with a low complication rate. The surgery is technically demanding but involves a shorter in-patient stay than with open synovectomy. The development of radiological degenerative changes were seen with all patients at review


The Journal of Bone & Joint Surgery British Volume
Vol. 79-B, Issue 5 | Pages 770 - 772
1 Sep 1997
Lee BPH Morrey BF

The short-term assessment of 14 arthroscopic synovectomies of the elbow in 11 patients with rheumatoid arthritis showed that 93% achieved a short-term rating of excellent or good on the Mayo Elbow Performance Score. At the most recent assessment at an average of 42 months, however, only 57% maintained excellent or good results; four had required total elbow replacement. Although rehabilitation is facilitated by an arthroscopic procedure the results deteriorate more rapidly than after open synovectomy. This may be due to the limitations of the arthroscopic technique and is consistent with experience of the similar procedure in the knee. Recognition of the short-term gain and the potential for serious nerve injury should be considered when offering arthroscopic synovectomy


The Journal of Bone & Joint Surgery British Volume
Vol. 54-B, Issue 2 | Pages 263 - 271
1 May 1972
McMaster M

1. Opinion is divided as to the value of synovectomy of the knee in juvenile rheumatoid arthritis. 2. Between 1964 and 1970 thirty synovectomies of the knee were performed in twenty-seven children, who have now been kept under review for one to eight years. Three have required a second operation. 3. The operative findings at various stages are presented and discussed, with special reference to the effect on growth of the limb. 4. Synovectomy is a useful procedure which should be reserved for cases where effusion persists despite nine months of conservative treatment and performed before signs of bone erosion appear


Orthopaedic Proceedings
Vol. 85-B, Issue SUPP_I | Pages 76 - 76
1 Jan 2003
Guderian H Drescher W Fink B Rüther W
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Introduction. Synovectomy in children with juvenile rheumatoid arthritis (JRA) and psoriatic arthritis (PSA) is still subject of controversial discussion. Our results of arthroscopic synovectomy of the knee in children with chronic inflammatory joint disease are presented. Material. From 1989–1997 27 synovectomies were performed in 27 children with inflammatory arthritis (15 JRA, 12 PSA). Average age at surgery was 12. 5 y (2. 9–17. 8 y). Mean follow-up was 4. 9 years. Methods. Onset of disease and conservative therapy was documented. Each patient was physically and radiologically examined preoperatively and 24 children postoperatively (mean follow-up 4. 9 years). For arthroscopic shaver-assisted synovectomy of the knee we used minimum 4 portals and normally 6 portals (2 anterior, 2 suprapatellar and 2 posterior portals). In addition to the physical examination we used a special clinical score (Laurin 1974). We compared the pre- and postoperative limits of active and passive knee movement. We performed sonographs and radiographs of the infected joint. Radiography was classified following the Larsen-Scale. Patient and parents gave their opinion whether the operation was successful. Before surgery all children had intensive drug and physical therapy for 8–62 months (42 month). In the course of conservative treatment, knees had local joint treatment with triamcinolonhex-acetomid (THA), normally for three times before surgery. Preoperative X-rays showed Larsen stage I in 3 knee joints and Larsen stage 0 in the other knees. Results. In 85% of the children, we found good or excellent surgical outcome. 2 joints achieved fair and 2 joints poor outcome. Concerning subjective outcome 22 (82%) children had been very satisfied (56%) or satisfied (26%). 25 of the children’s parents would agree in the same surgical procedure again. In 6 knee joints we found recurrent synovitis. 2 of these knee joints were reoperated (30 and 22 month postoperatively with satisfying result), the other 4 joints were treated with THA i. a.. The 2 reoperations were regarded as poor result. We had no postoperative complications and the normal hospitalisation was 15 days. Prior to surgery, 12 knee joints had an average deficit of active knee extension of 10° (5–20°). Postoperatively, no extension deficit was found anymore in 25 of the knees. Compared to the contralateral knees, a flexion deficit of 10° (5–15°) was obtained postoperatively. At sonography, no joint effusion could be revealed. Postoperative X-rays showed no progression in Larsen stage. Outcome in children with oligoarthritis was better than in those with polyarthritic disease. Discussion. Early arthroscopic synovectomy of the knee in children with chronic inflammatory joint disease is, in case of failure of conservative treatment, a useful method of treatment. We propose early synovectomy of the knee joint as an essential part of the treatment scheme for children with inflammatory joint disease