Juan Carlos Alva Nieto

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UNLABELLED The increasing volume of patients interested in refractive surgery and the new treatment options available for keratoconus have generated a higher interest in achieving a better characterization of this pathology. The ophthalmic devices for corneal analysis and diagnosis have experienced a rapid development during the past decade with the(More)
BACKGROUND The authors have observed a group of patients complaining of periorbital pain, emanating from the trochlear area, in absence of trochleitis or other orbital or systemic disease. All were previously diagnosed and treated as different types of headaches, but pain was not controlled until local treatment on the sore trochlea was performed. The(More)
Rheumatoid arthritis (RA) is a chronic systemic disease that leads to increases in health system economic burden through direct and indirect costs, including chronic treatment, reduced productivity and premature mortality. Anti-TNF agents have represented a major advance in the treatment of RA. The most commonly used (adalimumab, etanercept and infliximab)(More)
OBJECTIVE The objective of this study was to compare disease activity assessed by the patient, the physician and musculoskeletal US in patients with RA in clinical remission. METHODS We evaluated 69 patients with RA in clinical remission according to their attending rheumatologist. Tenderness and swelling in 28 joints were blindly assessed by patients and(More)
PURPOSE To assess the repeatability and reproducibility of central corneal thickness (CCT) measurements obtained by combined scanning-slit/Placido-disc topography (Orbscan II; Bausch & Lomb, Rochester, NY) after laser in situ keratomileusis (LASIK) and to compare the results with another noncontact method, specular microscopy (SP-2000P; Topcon, Tokyo,(More)
Report of a Case. A 66-year-old, previously healthy womanhada6-dayhistoryof rightperiorbital edema,erythema, diplopia,painwitheyemovement,tearing,nausea,andvomiting. She reported a deer tick bite on the posterior neck 2 months prior that occurred while hunting during the early summer months in northern Wisconsin. The bite was followed by 3 weeks of fever,(More)
OBJECTIVE To assess the repeatability and reproducibility of posterior corneal curvature (PCC) measurements made by combined scanning-slit/Placido-disc topography (Orbscan II) after LASIK. DESIGN Experimental instrument validation study. PARTICIPANTS We recruited 22 consecutive postmyopic LASIK patients for the repeatability study and another 50(More)
AIMS To evaluate the modified dosages of anti-TNF in controlling disease activity in rheumatoid arthritis (RA) measured by DAS28-ESR. PATIENTS AND METHODS Cross-sectional study: RA patients treated with etanercept (ETN), adalimumab (ADA) or infliximab (IFX), at standard or modified doses. MAIN VARIABLES dosage, concomitant disease modifying drugs(More)
OBJECTIVE The Outcome Measures in Rheumatology Ultrasound Task Force has recently started to work on the validation and standardization of musculoskeletal ultrasound (MSUS) examination in children in order to improve its applicability to joint examination. METHODS This was a prospective multicenter study performed by 4 experts in pediatric MSUS, who(More)