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Introduction: Osteoarthritis (OA) is a disease of synovial joints and is the most common cause of chronic pain. Viscosupplementation (VS) with hyaluronic acid (HA) is largely used for knee osteoarthritis therapy but the evidence for its usefulness in ankle osteoarthritis is limited. The objective of this review is to assess the efficacy of viscosupplementation treatment of ankle osteoarthritis in the current literature., Methods: The following databases were searched: Medline (period 2006-2008), Database of Abstract on Reviews and Effectiveness and Cochrane Database of Systematic Reviews. Reference lists of relevant articles were controlled for additional references. The search terms Review, Viscosupplementation (VS), Osteoarthritis (OA), Hyaluronic acid (HA), Hyaluronan, Sodium hyaluronate, Ankle OA, Ankle joint were used to identify all studies relating to the use of VS therapy for the ankle OA. Methodological quality of included studies was assessed by assigning level of evidence as previously defined by the Centre for Evidence Based Medicine (CEBM)., Result: Seven articles concerning the efficacy of a total of 275 patients undergoing VS treatment for ankle OA were included. One European study, one Taiwanese study, one Italian study, one Turkish study and three American studies with level of evidence ranging from I to IV evaluated the following products: Hyalgan, Synvisc, Supartz, Adant., Conclusion: Viscosupplementation is used widely in knee OA and is included in the professional guidelines for treatment of the disease in this joint. The potential for treating osteoarthritis of the ankle joint by viscosupplementation has been suggested in the literature, however, no dosing studies have been published to date, and dosing in the ankle joint remains an area for discussion. Viscosupplementation could potentially provide an useful alternative in treating such patients with painful ankle OA.

Objective: Osteoarthritis and osteoporosis are two major health problems affecting postmenopausal women. Epidemiological observations seem to demonstrate a possible inverse relationship between osteoarthritis and osteoporosis. Erosive osteoarthritis (EOA) of the hand is a destructive form of primary osteoarthritis. This study evaluated bone mineral density and bone metabolism changes in erosive and nonerosive hand osteoarthritis women., Design: Fifty-five women (mean age, 59 years; body mass index, 23 +/- 1.4 kg/m) who had been postmenopausal for an average of 9 years and who presented with hand osteoarthritis according to American College of Rheumatology criteria were enrolled in the study; 15 women showed clinical and radiological evidence of hand EOA. Twenty women matched for age, age at menopause, and body mass index formed the control group. Bone mineral density (g/cm) was measured at the hip and lumbar spine using dual-energy x-ray absorptiometry. Serum and urinary calcium and phosphate, serum 25-hydroxyvitamin D, parathyroid hormone, osteocalcin, and urinary breakdown products of bone matrix (CrossLaps) were analyzed., Results: Women with hand EOA had a statistically significant lower T- and Z-score L2-L4 value than non-hand EOA women and controls (P < 0.01). Moreover, postmenopausal women with hand EOA had higher significant percentage of osteoporosis at lumbar spine when compared with non-hand EOA postmenopausal women and controls. Any statistically significant difference in osteocalcin and CrossLaps serum levels was noted among women with hand EOA, hand osteoarthritis, and controls., Conclusions: Our data suggest that postmenopausal women with clinical and radiological EOA are at risk for development of osteoporosis.

OBJECTIVE: We developed a standardized technique for ultrasound guided intra-articular injection of the hip joint with the purpose of extending routine intra-articular injection of hyaluronans and steroids to the hip, as commonly used in the knee. In this article we report the safety of this technique in an extended series of patients. PATIENTS AND METHODS: Patients were injected supine with an anterosuperior approach under ultrasound guidance. The Us probe is applied with a target device for biopsy. RESULTS: The standardised technique was used to inject 1906 patients with 4002 injections of hyaluronan products over a four-year period. The treatment was well tolerated with few, and exclusively local, side effects. CONCLUSIONS: The administrat ion of hyaluronans under ultrasound-guided intra-articular injection is a safe technique for treatment of rheumatic diseases of the hip. [ABSTRACT FROM AUTHOR]

The aim of this prospective observational study is to assess the efficacy and safety profile of intra-articular Sinovial® Forte 1.6% administered under ultrasound-guidance in a large cohort of patients affected by symptomatic hip osteoarthritis (OA). Patients with symptomatic hip OA referred to our clinic in 2008-2010 received one 4 ml (2 vials) intra-articular injection of Sinovial® Forte 1.6% under ultrasound guidance. Patients were followed-up every 3 months for a total of 6 months and were offered an optional, additional injection at the 3-month follow-up visit if clinically justified. At each visit, pain scores [0-10 Yisual Analogue Scale (pain VAS)],Lequesne index scores and NSAID intake were recorded. Adverse events (AEs) were recorded throughout the study. An effect size of 30% and 50% reduction in Lequesne index and Pain VAS scores was evaluated for each patient to ascertain the number of patients achieving partial remission of symptoms and functional impairment by the use of intra-articular hyaluronic acid in hip osteoarthritis. One hundred and fourteen patients completed the 6-month follow-up and received a total of 142 injections. A statistically significant reduction in Lequesne index scores, VAS pain scores and NSAID consumption was observed at all time-points (p < 0.05). No systemic, severe or even moderate side effects were observed. Only 7 patients reported mild local reaction at the injection site, consisting of mild pain and localized warmth, which resolved spontaneously without any additional medication. This study provides evidence of the efficacy and tolerability of Sinovial® Forte 1.6% in the treatment of patients affected by symptomatic hip OA. Sinovial® Forte may also offer economical benefits, owing to the reduction in NSAID consumption associated with this treatment. The percentage of patients achieving the effect size of 30% and 50% reduction in Lequesne index and pain VAS scores encourages the use of intra-articular hyaluronic acid in patients with hip osteoarthritis. [ABSTRACT FROM AUTHOR]

Hip osteoarthritis represents a statistically relevant problem in clinical practice; previous reports showed different efficacy and safety profiles for intra-articular use of hyaluronic acid in hip osteoarthritis-affected patients, and in this sense, to add evidence to this topic, data regarding safety and efficacy of ultrasound-guided viscosupplementation are reported in order to establish whether such a therapeutic tool may represent a valid option. This study investigates the safety and efficacy profiles of ultrasound-guided intra-articular injections of Jointex® in hip osteoarthritis affected patients. This is a prospective multicentric study carried out in public hospitals. Adult outpatients suffering from symptomatic hip OA (Kellgren and Lawrence Grade 2, 3 or 4) were injected with one syringe of 4 ml (2 vials) of Jointex® under ultrasound guidance, repeated after six months; when clinically necessary an adjunctive injection was performed. Patients' characteristics, such as gender, age, weight, height and BMI, smoking habit, unilateral or bilateral hip OA, radiological grade for hip OA following Kellgren-Lawrence grading and duration of disease, were evaluated. Patients were assessed at baseline and at every control visit and injection time for Lequesne index as primary endpoint, pain (evaluated by VAS) and NSAID consumption (number of days patients assumed NSAID in the last month) both as secondary endpoint. A total of 180 patients entered the study, all of whom received at least one IA US-guided injection of Jointex® into the hip joint. A total of 36 drop outs were registered, and both distribution and causes of drop out were recorded. A total of 389 injections were carried out, as 18 patients were affected by bilateral hip OA and 7 patients affected by monolateral hip OA required one more injection for symptomatic relief in respect to other patients. Scores obtained for primary as well as secondary study endpoints reached statistical significance when compared with scores obtained at baseline visit. Lequesne index mean scores obtained at each control visit, when compared with baseline mean value, were significantly different (p<0.001 for all control visits vs baseline). Similarly, results obtained for secondary endpoints, such as Pain VAS and NSAID consumption, when compared with results obtained at the baseline visit, showed a statistical significance (p<0.001 for all control visits vs baseline). We also evaluated how many patients reached an improvement in Lequesne algo-functional index of at least 70% at 6- and 12-month control visits: a percentage of 21.23% of patients attending the 6-month control visit showed such improvement, while at the 12-month control the percentage was 20%. No local or systemic infectious adverse events were reported during the whole follow-up time. Twenty-seven patients out of 180 reported a transient discomfort in the treated hip for 1–3 days after injection that regressed spontaneously or with paracetamol 1 g two or three times a day. No systemic adverse events were observed. Intra-articular administration of Jointex® in hip OA-affected patients seems to be an efficacious and safe therapeutic option. [ABSTRACT FROM AUTHOR]

Introduction: Young adult hip osteoarthritis (OA) is a noteworthy problem, although rarer than the elderly form of the disease, causing limitations in social and working activities and prospects. Treatment options are scarce and surgical procedures, frequently necessary, imply the major drawback of revising the prostheses periodically, whereas chronic non-steroidal anti-inflammatory drugs (NSAID) consumption may provoke side effects. To explore alternative options to both surgery and long-term NSAID use, especially in the case of young patients, viscosupplementation seems to appear as an appropriate tool to relieve pain, ameliorate the function and delay surgery. Aim of the Study: In this study we tackle the issue of the use of hyaluronic acid (HA) injections in young adults with symptomatic hip OA. Results and Conclusions: These data, collected from 78 young patients, show that viscosupplementation is a safe procedure, and may provide significant relief from pain and functional recovery. Larger controlled studies are needed to establish otpimal treatment strategies and clinical factors predictive of treatment response. [ABSTRACT FROM AUTHOR]