Early and late effects of therapeutic plasma exchange in patients with systemic lupus erythematosus and antineutrophil cytoplasmic antibody-associated vasculitis: A single-center experience.

Therapeutic plasma exchanges (TPE) is considered as one of the treatment modalities that is used in systemic autoimmune diseases. This study aimed to describe the early and late effect of TPE in patients with systemic lupus erythematosus (SLE) and antineutrophil cytoplasmic antibody-associated vasculitis (AAV) presented with acute kidney injury (AKI). Retrospective study comprised patients with SLE and AAV with AKI seen between January 2000 and June 2014 at King Faisal Specialist Hospital and Research Center in Riyadh.

Prevalence of HLA-B27 in the general population and in patients with axial spondyloarthritis in Saudi Arabia.

The prevalence of HLA-B27 in the general population and in axial spondyloarthritis (axSpA) patients in Saudi Arabia is unknown. The aim of this study was to evaluate the prevalence of HLA-B27 in these two populations and describe the delay in diagnosis of axSpA patients. The prevalence of HLA-B27 in the general population was evaluated using cord blood and healthy organ transplant donor databases.

Lupus nephritis among 624 cases of systemic lupus erythematosus in Riyadh, Saudi Arabia.

The aim of this article is to study the prevalence, clinicolaboratory features, WHO histological types, therapy and renal outcome of lupus nephritis (LN) in Saudi Arabia. During the 27-year-period (1980-2006), 299 (47.9%) cases of LN were identified among the 624 cases of systemic lupus erythematosus (SLE) follow-up at King Khalid University Hospital, Riyadh.

Mixed connective tissue disease: the King Faisal Specialist Hospital experience.

Background: The aim of this study was to assess the clinical presentation, complications and serological analysis of mixed connective tissue disease (MCTD) at King Faisal Specialist Hospital & Research Centre (KFSH&RC), and to determine the long-term clinical and immunologic outcomes.

Patients And Methods: This was a retrospective study with prospective follow-up of 18 patients with MCTD who were followed at KFSH&RC between 1982 and 1999.

Results: The age at onset of the disease ranged from 6 to 44 years, with a mean age of 17.

Musculoskeletal pain in the community.

Objective: To estimate the prevalence of musculoskeletal (MSK) pain in Al-Qaseem province in central Saudi Arabia.

Methods: Over a period of 18 months extending from September 1993 through to the end of February 1995, a house-to-house survey was conducted in Al-Qaseem province and included 5,894 adults asking regarding musculoskeletal pain.

Results: We obtained a response from 5,823 (98.

Knee osteoarthritis in Al-Qaseem, Saudi Arabia.

Objective: The aim of this study was to estimate the prevalence of clinical osteoarthritis (OA) of the knee in Al-Qaseem, a central province in the Kingdom of Saudi Arabia (KSA).

Methods: A house to house survey of randomly selected inhabitants of Al-Qaseem, KSA was conducted. A total of 10,406 persons were interviewed of whom 5,894 were above the age of 16 years.

How common is back pain in Al-Qaseem region.

Objective: The aim of this study was to estimate the prevalence of back pain in the adult population of Al-Qaseem Central Province, Kingdom of Saudi Arabia and to find associated features and factors.

Methods: A house-to-house survey covering 1,000 household in the towns and villages of Al-Qaseem province was carried out over a period of 18 months extending from September 1993 until the end of February 1995. A total of 5,894 adults, aged 16 years and above, were questioned by trained staff regarding back pain, and the demographic data in addition to general, medical and social history.

Mouth and genital ulcerations in the community.

Objective: To estimate the prevalence of mouth and genital ulceration in the community and its relationship to rheumatic diseases.

Methods: A house to house survey was carried out over a period of 18 months extending from September 1993 to February 1995, on 5,894 individuals utilizing detailed questionnaires on symptoms of musculoskeletal diseases and associated symptoms including history of mouth, genital ulcers, eye symptoms, and skin changes. After the initial phase, a 2nd phase was completed by trained nurses and paramedical staff, the purpose of which was to explore in detail, the history of those responding positively to any of the questions in phase one.

Prevalence of systemic lupus erythematosus in central Saudi Arabia.

Objective: Although systemic lupus erythematosus of varying severity has been seen in our clinics, there is no information regarding the prevalence of the disease among Saudi nationals. We conducted this study to determine the prevalence of systemic lupus erythematosus in Al-Qaseem region of the Kingdom of Saudi Arabia.

Methods: A community survey of towns and villages in the Al-Qaseem area of central Saudi Arabia was conducted in 3 phases to determine the prevalence of systemic lupus erythematosus in the region.