Marwin Gutierrez

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OBJECTIVE To investigate the reliability and validity of the Italian version of ECOS-16 (Assessment of health related quality of life in osteoporosis) in comparison to other questionnaires in postmenopausal women with osteoporosis. METHODS A cross-sectional multicentre study was carried out among postmenopausal women with osteoporosis who were attending(More)
OBJECTIVE To produce consensus-based definitions of the US elementary lesions in gout and to test their reliability in a web-based exercise. METHODS The process consisted of two steps. In the first step a written Delphi questionnaire was developed from a systematic literature review and expert international consensus. This collated information resulted in(More)
INTRODUCTION In this study, we aimed to investigate ultrasonographic (US) changes suggestive of gouty arthritis in the hyaline cartilage, joints and tendons from asymptomatic individuals with hyperuricemia. METHODS We conducted a cross-sectional, controlled study including US examinations of the knees and first metatarsal-phalangeal joints (first MTPJs),(More)
The knee is a frequent target for gout and calcium pyrophosphate dihydrate (CPPD) disease with involvement of both articular and peri-articular structures. The aims of the present study were to investigate the relationship between clinical and ultrasound (US) findings and to describe the prevalence and distribution of crystal deposits in the knee in(More)
OBJECTIVES The main aim of the present study was to determine the prevalence of subclinical entheseal involvement at lower limbs by ultrasound (US) in patients with psoriasis. The secondary aim was to determine the interobserver reliability of the Glasgow Ultrasound Enthesitis Scoring System (GUESS) and power Doppler (PD) technique in the assessment of(More)
To determine the prevalence of fibromyalgia (FM) in patients with ankylosing spondylitis (AS) or psoriatic arthritis (PsA) characterized by axial involvement (axial-PsA), and to assess the discriminative ability of different versions of the Ankylosing Spondylitis Disease Activity Score (ASDAS) and the Bath Ankylosing Spondylitis Activity Disease Activity(More)
OBJECTIVES This study aims to investigate the relationship between clinical and US findings together with the prevalence and distribution of US findings indicative of monosodium urate (MSU) crystal deposition within the foot in patients with gout. METHODS A total of 50 patients with gout attending the in-patient and the out-patient clinics of the(More)
Nailfold capillaroscopy has been extensively applied in a broad spectrum of pathologic conditions, but very few data have been published in healthy individuals. The aim of this study was to describe the nailfold capillary findings on a large series of healthy subjects using the video-capillaroscopy technique. Nailfold capillaries were studied based on their(More)
OBJECTIVE The present study was aimed at testing the ability of a rheumatologist without experience in ultrasound (US) who attended an intensive 4-week training programme focused on US assessing bone erosions in the hands and feet in patients with RA. METHODS Twenty patients diagnosed with RA according to the ACR criteria were included in the study. All(More)
OBJECTIVE The present study was mainly aimed at investigating the interobserver and intraobserver reproducibility of ultrasound (US) results in the assessment of Achilles tendon enthesopathy in patients with seronegative spondyloarthropathies (SpA). METHODS A total of 28 patients with a diagnosis of SpA according to the European Spondyloarthropathy Study(More)