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Alberto Migliore,1 Gianfranco Gigliucci,1 Lyudmila Alekseeva,2 Raveendhara R Bannuru,3 Tomasz Blicharski,4 Demirhan Diracoglu,5 Athanasios Georgiadis,6 Hesham Hamoud,7 Natalia Martusevich,8 Marco Matucci Cerinic,9 Jan Perduk,10 Imre Szerb,11 Tomáš Trč,12 Xavier Chevalier13 1Rheumatology Unit - San Pietro Fatebenefratelli Hospital, Rome, Italy; 2Department of Metabolic Diseases of Bone and Joints, V.A. Nasonova Research Institute of Rheumatology, Moscow, Russian Federation; 3Center for Treatment Comparison and Integrative Analysis (CTCIA) at Tufts Medical Center, Boston, MA, USA; 4Lubelskie Centrum Diagnostyczne, Świdnik, Poland; 5Department of Physical Medicine and Rehabilitation, Istanbul University, Istanbul, Turkey; 6Department of Rheumatology, University of Ioannina, Ioannina, Greece; 7Department of Rheumatology Al Azhar University, Cairo, Egypt; 8Department of Rheumatology, Belarusian State Medical University, Minsk, Belarus; 9Division of Rheumatology, University of Florence, Florence, Italy; 10Department of Musculoskeletal Medicine and Sports, Hospital Košice -Šaca, Kosice Saca, Slovakia; 11Semmelweis University, Department of Traumatology Uzsoki Hospital, Department of Orthopaedics&Traumatology FIFA Medical Centre of Excellence Uzsoki u.29– 41, Budapest, Hungary; 12Department of Orthopaedic Surgery, Charles University and Motol University Hospital, Prague, Czech Republic; 13Rheumatology Division, Henri-Mondor Hospital, Créteil, FranceCorrespondence: Alberto MiglioreRheumatology Unit - San Pietro Fatebenefratelli Hospital, Rome, ItalyEmail reumafbf@libero.itAbstract: Osteoarthritis (OA) is a significant cause of disability. Considering the increasing diffusion of the viscosupplementation (VS) with hyaluronic acid (HA), the International Symposium Intra Articular Treatment (ISIAT) appointed a Technical Expert Panel (TEP) to identify the criteria for successful VS with a specific HA in OA; this through a systematic literature review (SLR), performed following the PRISMA guidelines interrogating Medline, Embase, Cochrane Library, Cumulative Index to Nursing and Allied Health Literature (CINAHL), Grey Matters and American College of Rheumatology (ACR/EULAR) databases and the opinion of international experts. The research included only studies on adults and humans without limitations of language or time of publication. Researchers extracted both quantitative and qualitative data from each study. Mixed Methods Appraisal Tool (MMAT) was used to perform quality analysis for the level of evidence. The SLR retrieved 385 papers, 25 of which were suitable for the analysis. The TEP focused on the different formulations of the product Sinovial® [HA 0.8%, HA 1.6%, HA 2%, 800– 1200 kDa, HA 3.2% (1400– 2100 kDa/65– 110 kDa)]. The choice was due to the vast amount of evidence available. The TEP weighed the evidence in two rounds of a Delphi survey; the results, and any disagreement, were discussed in a final session. Three domains were considered: 1) the patients’ characteristics associated with the best results; 2) the contraindications and the conditions linked to increased risk of failure; 3) the clinical conditions in which VS is considered appropriate. The TEP concluded that VS with HA is safe and effective in the treatment of knee and hip OA of grades I to III and that it is possible to undertake VS in other situations (eg grade IV Kellgren-Lawrence – KL); a comprehensive examination of the patient should be performed before the procedure.Keywords: appropriateness, osteoarthritis, personalized medicine, viscosupplementation

Objective: Strengthening exercises are given frequently to the patients with knee osteoarthritis. It is known that these patients have proprioceptive deficits. The effect of the kinesthesia exercises which aim to improve proprioception is not known in the knee osteoarthritis. The aim was to compare kinesthetic plus strengthening exercises vs. strengthening exercise alone, and to determine the effects of these exercises on the pain and functional status of women with mild to moderate knee osteoarthritis (OA) in the long term. Methods: Sixty women with knee OA were included in the study. 'Kinesthesia-strengthening group' performed kinesthesia/balance exercises as well as strengthening exercises, while the 'strengthening group' performed only strengthening exercises. Patients were evaluated by Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), Medical Outcomes Study Short Form Health Survey (SF-36), Lequesne algofunctional index, and Beck depression inventory. Results: After the completion of the exercises, significant improvements occurred in both the groups in all the study parameters (p < 0.05). The comparison of the groups at week 8 showed that the results in SF-36 vitality, WOMAC-total score, Lequesne index and Beck depression inventory parameters in the kinesthesia-strengthening group were significantly better than those in the strengthening group (p < 0.05). Similarly, the comparison of the groups at the end of year 1 demonstrated that the results in WOMAC-pain, WOMAC-stiffness, WOMAC-physical function and WOMAC-total score in the kinesthesia-strengthening group were significantly beter than those in the strengthening group (p < 0.05). Conclusion: Carried out for one year, kinesthesia and balance exercises seem to be superior to strengthening exercises only on WOMAC parameters in women with mild to moderate knee OA. [ABSTRACT FROM AUTHOR]

Background: Intra-articular hyaluronic acid (IAHA) products are often used in the treatment of adults with mild-to-moderate knee osteoarthritis (KOA). The International Symposium on Intra-Articular Treatment (ISIAT) convened a multidisciplinary technical expert panel to define characteristics for an innovative IAHA product that should answer unmet needs in the clinical management of adults with mild-to-moderate KOA., Methods: An initial set of evidence-based statements was developed based on data extracted from articles identified through a comprehensive literature search. A Delphi panel comprising 19 experts in KOA voted in 3 rounds to rate their degree of agreement with accepted statements., Results: The final set of 13 accepted statements focus on the effect of an innovative IAHA across 5 key domains of nociceptive pain, joint function, quality of life, joint structure and integrity, and adverse effects. The statements set thresholds for clinically meaningful improvements that exceed those generally achievable by currently available IAHA products., Conclusion: The characteristics described by these statements from the ISIAT set new standards for what should be expected from an innovative IAHA. These statements should serve as a framework for driving the development of innovative IAHA products that will surpass the actual outcomes achieved by current viscosupplements in patients with mild-to-moderate KOA.

Background: Early stage of osteoarthritis (OA) is characterized by joint stiffness and pain as well as by subclinical structural changes that may affect cartilage, synovium, and bone. At the moment, the lack of a validated definition of early osteoarthritis (EOA) does not allow to make an early diagnosis and adopt a therapeutic strategy to slow disease progression. Also, no questionnaires are available to evaluate the early stage, and therefore this remains an unmet need., Objective: Therefore, the purpose of the technical experts panel (TEP) of 'International Symposium of intra-articular treatment' (ISIAT) was to create a specific questionnaire to evaluate and monitor the follow-up and clinical progress of patients affected by early knee OA., Design: The items for the Early Osteoarthritis Questionnaire (EOAQ) were identified according to the following steps: items generation, items reduction, and pre-test submission., Methods: During the first step, literature has been reviewed and a comprehensive list of items about pain and function in knee EOA was drafted. Then, during the ISIAT (5th edition 2019), the draft has been discussed by the board, which reformulated, deleted, or subdivided some of the items. After the ISIAT symposium, the draft was submitted to 24 subjects affected by knee OA. A score based on the importance and the frequency was created and the items with a score ⩾0.75 were selected. After intermediate evaluation made by a sample of patients, the second and final version of the questionnaire EOAQ was submitted to the whole board for final analysis and acceptance in a second meeting (29 January 2021)., Results: After an exhaustive elaboration, the final version of the questionnaire contains two domains (Clinical Features and Patients Reported Outcome) with respectively 2 and 9 questions, for a total of 11 questions. Questions mainly explored the fields of early symptoms and patients reported outcomes. Marginally, the need of the symptoms treatment and the use of painkillers were investigated., Conclusions: Adoption of diagnostic criteria of early OA is strongly encouraged and a specific questionnaire for the whole management of the clinical features and patients' outcome might really improve the evolution of OA in the early stages of the disease, when the treatment is expected to be more effective., Competing Interests: The authors declared the following potential conflicts of interest with respect to the research, authorship, and/or publication of this article: Dr. Alberto Migliore reports grants from Abiogen, Lilly, Fidia, Jansen, Neopharmed Gentili, Mylan, and IBSA; Dr. Gianfranco Gigliucci reports grants from Abiogen, Lilly, Neopharmed Gentili, Mylan, and IBSA., (© The Author(s), 2023.)

Objectives: This work studied if and how current clinical practice agrees with European Viscosupplementation Consensus Group (EUROVISCO) recommendations and how this agreement might be different according to physician's specialization. In addition, this work aimed to identify key decision factors that practitioners consider in their decision to retreat or not a patient with hyaluronic acid viscosupplementation., Methods: Practitioners have been invited by e-mail to participate in an online exercise on viscosupplementation retreatment. They received a fictional patient case at random among a set of predefined fictional cases. The platform asked the practitioner if he/she would retreat the patient with viscosupplementation or not. To take a decision, the practitioner could select questions among a list of predefined questions. Among them, some were related to criteria used in the EUROVISCO decision tree and others served as confounding factors., Results: A total of 506 practitioners participated to the exercise, of which 399 gave their decision about the case assigned to them by the platform. The observed agreement between practitioner decisions and EUROVISCO recommendations was 58.89 ± 4.95% (95% confidence interval [CI]). Overall, the decision to retreat was taken in 47.87% of the cases, while the EUROVISCO guidelines follow-up would have led to 55.89% retreatment for the same cases ( P = 0.03)., Conclusions: In current practice, physicians tended to reinject their patients less than recommended, although EUROVISCO guidelines for viscosupplementation retreatment consider decision criteria that clearly correspond to those of practitioners in real life. These include the patients' willingness to be treated or the patients' perception of the effectiveness of the treatment.

Objectives: This study aims to explore effects of ultrasound-assisted injection of the botulinum neurotoxin-A (BoNT-A) on muscle thickness (MT) in patients with masseter hypertrophy., Patients and Methods: Between December 2018 and December 2019, a total of 20 patients (3 males, 17 females; mean age: 28±6.9 years; range, 18 to 42 years) with bruxism who underwent BoNT-A injections were reviewed retrospectively. The patients were treated using individualized injection dosages and sites. Assessment methods included length between the tragus and the angle of the mouth, maximal bite force, and MT of the masseter muscle. Follow-up data were collected from the hospital electronic database., Results: There were 26 masseter muscles with masseter hypertrophy in 20 patients. There was a significant difference in ultrasonographic measurements of the relaxed and contracted masseter muscles between the baseline and two weeks, one month and three months after the treatment (p<0.05). In the ultrasonographic measurement of the relaxed masseter muscle, post-treatment third month values significantly differed from the second week values. The differences in the measurement of the line between the tragus and the angle of the mouth between the baseline and two weeks, one month and three months after the treatment were statistically significant (p<0.05). In the maximal bite force measurements, no significant difference was observed between the baseline and post-intervention measurements (p>0.05)., Conclusion: The MT decreases after a single dose of BoNT-A injection in patients with masseter muscle hypertrophy and ultrasonography is a convenient imaging modality for BoNT-A injection to the masseter., Competing Interests: Conflict of Interest: The authors declared no conflicts of interest with respect to the authorship and/or publication of this article., (Copyright © 2021, Turkish Society of Physical Medicine and Rehabilitation.)

Objective: This study aims to reveal the short-term effects of exercise therapy and manual therapy plus exercise therapy on pain, quality of life, and physical examination results in the treatment of sacroiliac joint dysfunction syndrome (SIJDS)., Methods: In this study, 64 patients who were participated were divided into two groups. The first group (exercise group) was assigned with the sacroiliac joint (SIJ) home exercise program and the second group (mobilization group) with the combined SIJ manual therapy and home exercise program. Physical examination tests, visual analog scale, and SF-36 evaluation were performed at the beginning of the study, at 24 h, at 1 week, and 1 month after the treatment., Results: Both groups showed that the rate of pain in the posttreatment, after the first week, and the first month; the presence of pain in the sacroiliac region; and VAS values of the patients with SIJDS compared to pretreatment values were clearly decreased (p<0.05). All tests performed in the SIJ physical examination showed significant improvement within both groups (p<0.05). However, there was no statistical difference between the two groups in 1-month period (p>0.05)., Conclusions: We found that the home exercise program and the manual therapy plus exercise program significantly improved pain intensity, quality of life, and the findings of specific tests in patients with SIJDS. In addition, superiority between the two groups in terms of pain intensity, quality of life, and specific tests was not determined.

Background: In this work, we aimed to establish a clinical target in the management of knee osteoarthritis (KOA) and to propose good clinical practice (GCP) statements for carrying out a treat-to-target strategy., Methods: A steering committee of seven experts had formulated a provisional set of recommendations that were exposed for discussion and modification to a technical expert panel (TEP) of 25 multidisciplinary experts from Europe, North America, South America and Asia. The level of evidence and strength of each recommendation was discussed. The TEP formulated overarching principles and GCP statements based on the level of agreement for each item with a vote using a 10-point numerical scale., Results: Two overarching principles and 10 GCP statements were formulated by the TEP. These GCP statements suggest: treatment should achieve clinical improvement bringing the patient to the Patient Acceptable Symptom State (PASS); pharmacological and nonpharmacological treatment should begin as early as possible, with an early diagnosis of symptomatic KOA; the patient should be evaluated every 3-6 months; risk factors of KOA progression should be identified and managed with patients at the beginning of the treatment and monitored regularly; treatment should be adapted according to patient phenotype and disease severity; healthy lifestyle must be promoted and monitored. The level of agreement average ranged from 8.7 to 9.6 on scale., Conclusions: The proposed overarching principles and GCP statements have the aim of involving patients, general practitioners and multidisciplinary specialists in sharing a therapeutic treat-to-target strategy for KOA management based on the best evidence and expert opinions., Competing Interests: Conflict of interest statement: Abiogen Pharma Spa supported all the costs of the meeting of the authors, including travel and subsistence. No honoraria were paid to the participants. Abiogen Pharma Spa had no input in the writing or editing of the paper., (© The Author(s), 2019.)

The aim of this study was to establish consensus for potential early symptomatic knee osteoarthritis (ESKOA) clinical definition and referral criteria from primary care to rheumatologists, based on available data from literature and a qualitative approach, in order to perform studies on patients fulfilling such criteria and to validate the obtained ESKOA definition. A complex methodological approach was followed including: (1) three focus groups (FG), including expert clinicians, researchers and patients; (2) a systematic literature review (SLR); (3) two discussion groups followed by a Delphi survey. FG and SLR were performed in parallel to inform discussion groups in order to identify relevant constructs to be included in the modified Delphi survey. ESKOA is defined in the presence of: (a) two mandatory symptoms (knee pain in the absence of any recent trauma or injury and very short joint stiffness, lasting for less than 10 min, when starting movement) even in the absence of risk factors, or (b) knee pain, and 1 or 2 risk factors or (c) three or more risk factors in the presence of at least one mandatory symptom, with symptoms lasting less than 6 months. These criteria are applicable in the absence of active inflammatory arthritis, generalized pain, Kellgren-Lawrence grade >0, any recent knee trauma or injury, and age lower than 40 years. Knee pain in the absence of any recent trauma lasting for less than 6 months was considered as the referral criterion to the rheumatologist for the suspicion of ESKOA. This consensus process has identified provisional clinical definition of ESKOA and defined potential referral criterion to rheumatologist, in order to test ESKOA obtained definition in prospective validation studies.

[Purpose] To investigate and compare the efficacy of three hyaluronic acid formulations in patients with early-stage meniscal injuries. [Subjects and Methods] Male and female patients who were admitted to our clinic between January 2013 and December 2013, diagnosed with early-stage meniscus lesions of the knee, and given a hyaluronic acid treatment were included in this retrospective study. Patients were categorized into 3 groups according to their treatments: MONOVISC, OSTENIL PLUS, or ORTHOVISC. Scores from a Visual Analog Scale and the Western Ontario and McMaster Universities Arthritis Index were evaluated at baseline and one, three, and six months after baseline. [Results] A total of 55 patients were included in this study. Most of the patients were female (55%), and the mean age of the patients was 42.4 (± 8.1) years. Based on the pre- and post-injection data, there was significant reductions both in the Visual Analog Scale score and the Western Ontario and McMaster Universities Arthritis Index score after the injections for all groups. According to intergroup comparisons, no significant difference was observed in terms of efficacy. [Conclusion] Three hyaluronic acid formulations produced a similar efficacy in patients with meniscal injuries, and further studies are needed to evaluate long-term results.

Aim: Mastication turns food into a bolus and prepares it for chemical digestion. Any condition affecting tooth structure and position may have an impact on mastication. The aim of this study is to compare masticatory performance (MP) and maximum bite force (MBF) between children with and without clinically visible caries in permanent first molars., Materials and Methods: The study was conducted with 50 children in good general condition aged 12-14 years (25 girls, 25 boys) with no orthodontic/skeletal anomalies and no missing teeth due to dental trauma or extraction. Maximum bite force was measured bilaterally using strain gauge sensors. Masticatory performance was evaluated by silicone tablet comminution test., Results: Masticatory performance was superior in caries-free children when compared to children with caries. Maximum bite force values in children with and without caries were not statistically different., Conclusions: Caries reduces masticatory performance. Therefore, treatment is crucial for masticatory efficiency.

[Purpose] To compare two platelet-rich plasma kits with different platelet concentrations for treatment of knee osteoarthritis. [Subjects and Methods] Male and female patients with knee osteoarthritis who had confirmed diagnosis with X-ray and magnetic resonance imaging were included in this retrospective study. Eligible patients were divided into two groups: Group I, which received platelet-rich plasma kit I, and Group II, which received platelet-rich plasma kit II. Platelet concentrations of both kits were measured by manual counting. For each group, platelet-rich plasma kit was injected twice with a one-month interval between injections. The Western Ontario and McMaster Universities Osteoarthritis Index and the Visual Analog Scale were applied for clinical evaluation before the first injection and one, three and six months after the second injection. [Results] Kits I and II contained 1,000,000 and 3,000,000 platelets/µl respectively. In both groups, initial Western Ontario and McMaster Universities Osteoarthritis Index and Visual Analog Scale scores were significantly higher compared to the latter evaluations. However, no significant difference was observed between groups in terms of clinical evaluations. [Conclusion] Similar clinical results were found in groups receiving different platelet concentrations, therefore, a concentration of 1,000,000 platelet/µl is considered sufficient for pain relief and functional recovery.

Background: Carpal tunnel syndrome (CTS) is a commonly seen peripheral nerve mononeuropathy. Corticosteroid injection within the carpal tunnel is among the conservative treatment options. The exact mechanism of action of steroids is not fully clear; decreased inflammation surrounding nerves or tendons is thought to be the main effect. Lidocaine has been shown to have anti-inflammatory effects on certain cells (monocytes, macrophages, neutrophils etc.). The aim of this study is to evaulate the efficacy of lidocaine treatment as a alternative to corticosteroid treatment in carpal tunnel syndrome., Methods: A total of 67 carpal tunnel syndrome patients who were diagnosed with physical examination and EMG were evaluated. Twenty-nine patients received a mixture of normal saline solution and lidocaine (0.5 cc of normal saline solution and 0.5 cc of lidocaine) while 38 patients were administered betamethasone dipropionate (1 cc). Quick DASH (Disabilities of the Arm, Shoulder and Hand) and Visual Analog Scale (VAS) scores were noted in 1st, 3rd and 6th month follow-ups., Results: There were no significant difference between saline solution + Lidocaine group and betamethasone dipropionate groups; initial, 1st, 3rd and 6th month VAS scores and QDASH scores (p > 0.05)., Conclusion: Considering the potential side effects of corticosteroid, lidocaine injection is a good alternative treatment of carpal tunnel syndrome instead of corticosteroids.

The aim of this study is to investigate relation between cardiopulmonary performance and muscular microcirculation in patients with fibromyalgia syndrome (FMS). Twenty-one female sedentary patients who were diagnosed as FMS, and 15 sedentary females were enrolled in to the study. All participants underwent a modified Bruce multistage maximal treadmill protocol with metabolic measurements and Near-Infrared Spectroscopy measurements. Exercise sessions were performed 3 times a week for 8 weeks. The results of the study suggest that cardiopulmonary system in charge of delivering oxygen to whole body and muscular microcirculation may have dysfunction in patients with FMS.

Objective: The aim of this study was to investigate the short-term effects of intra-articular injection of hyaluronan (Hylan G-F 20) on proprioception, isokinetic muscle force, self reported pain, and functional condition in patients with knee osteoarthritis (OA)., Methods: 63 patients with stage II-III bilateral knee OA were included in this randomized, placebo controlled, and prospective study. Subjects were randomized with 42 of them into the treatment group and 21 of them into the placebo group. Hyaluronan was intraarticularly injected into both knees of the subjects which were in the treatment group, whereas physiological saline was intraarticularly injected to the subjects which were in the placebo group. Proprioception and the isokinetic muscle force measurement were performed. Visual analogue scale (VAS) and WOMAC scale were used to evaluate pain and physical function., Results: Statistical analysis was performed on 120 knees of 60 patients completing the trial. The average absolute angular error (AAAE) value showing the proprioceptive error level in the treatment group was detected to be statistically significantly lower compared to placebo at the measurements performed after the 3rd injection (p = 0.02) and after one week (p = 0.01). While there was no inter-group difference in isokinetic measurements performed at 180 and 240 degrees/sec, a significant difference was detected at the measurement performed at 60 degrees/sec in favor of the treatment group (p = 0.02). Activity and resting VAS-pain values, WOMAC parameters (except the WOMAC stiffness) were detected to be significantly lower in the treatment group. Local adverse events were not reported in any patient., Conclusion: In this study, it was demonstrated that intraarticular injection of hyaluronan in patients with knee OA led to a short-term increase in proprioception and isokinetic muscle force, and also significant improvements in the functional conditions of patients. Long-term studies are needed.

Background: In patients with knee osteoarthritis (OA), there is a prominent loss in proprioception and kinesthesia sensation compared with control subjects of the same age and gender., Objectives: The aim of this study is the investigation of short-term clinical effects of kinesthesia and balance exercises in patients with knee OA., Methods: This 8-week study was conducted on 66 female patients with knee OA who were randomized into 2 groups. The first group received kinesthesia and balance exercises (such as retrowalking, walking on their toes, leaning to the sides, balance board exercises, minitrampoline exercises, plyometric exercises, and so on) in addition to strengthening exercises. The second group received only strengthening exercises., Results: : Statistically significant improvements were observed postexercise for both groups with respect to baseline for WOMAC, SF-36 Form, times for performing activities of daily living, isokinetic quadriceps muscle strength, and proprioceptive sensation levels. In the first group with kinesthesia training, compared with the second group, significantly greater improvements were obtained in all the subparameters that measure functional status (WOMAC-physical function value, SF-36 Form [physical function, role limitations-physical and vitality-energy or fatigue variables], 10 stairs climbing, and 10-m walking times) and in isokinetic muscle strength at high angular velocities (P < 0.05). The absolute angular error percentage (to assess proprioceptive accuracy) was significantly improved postexercise in both groups. There were no differences between the groups., Conclusions: Additive positive effects of kinesthesia and balance exercises in knee OA have been demonstrated. Used in clinical applications, they should be able to increase the functional capacities of patients. Long-term studies about efficacy and cost-effectivity of these exercises are needed.

Objective: To compare, in patients with ankylosing spondylitis (AS), the effectiveness on pain, functional and psychological status of an intensive group exercise programme under the supervision of a physiotherapist and a home physiotherapy programme., Design: Fifty-one patients with AS were randomly allocated into study and control groups. The study was designed as a prospective, double-blind study., Setting: Outpatient department, Istanbul Medical Faculty., Subjects: Patients who consulted with complaints of pain, morning stiffness and restricted range of movement with a confirmed diagnosis of ankylosing spondylitis., Interventions: Before exercise, both groups were given an education programme about AS. For group I patients an intensive exercise programme was organized under the supervision of a physiotherapist for six weeks. Group II patients had to practise exercises individually at home., Main Outcome Measures: Both groups were evaluated and compared for pain, functional and psychological status before treatment, at the end of treatment and three months after treatment using a visual analogue scale (VAS) for pain, Beck Depression Scale and Bath Ankylosing Spondylitis Functional Index (BASFI)., Results: Six patients withdrew, four from group I. Results from the remaining 45 showed more positive changes in the patients undertaking group exercise at six weeks and three months after treatment. Values showed a statistical significant difference in favour of group I., Conclusion: Group exercise in hospital may be more effective than home-based exercises at reducing impairment associated with ankylosing spondylitis.