Renal tubular acidosis in primary Sjögren's syndrome. 1992

K C Siamopoulos, and M Elisaf, and A A Drosos, and A A Mavridis, and H M Moutsopoulos
Department of Internal Medicine, Medical School, University of Ioannina, Greece.

Renal tubular acidosis (RTA) is a frequent extraglandular manifestation of Sjögren's syndrome; however, no distinction on the incidence of this renal tubular defect between primary and secondary Sjögren's syndrome has been reported. This study was undertaken in order to define the frequency of RTA and the possible pathogenetic mechanisms in a group of 21 randomly selected primary Sjögren's syndrome patients. RTA was found in 7 (33%) patients. The incomplete type of the disorder was the most frequent. It seems that the etiology of RTA is multifactorial. Renal excretion of monoclonal proteins and the immunologically-induced interstitial inflammation are the main possible factors of this renal tubular defect.

UI MeSH Term Description Entries
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000141 Acidosis, Renal Tubular A group of genetic disorders of the KIDNEY TUBULES characterized by the accumulation of metabolically produced acids with elevated plasma chloride, hyperchloremic metabolic ACIDOSIS. Defective renal acidification of URINE (proximal tubules) or low renal acid excretion (distal tubules) can lead to complications such as HYPOKALEMIA, hypercalcinuria with NEPHROLITHIASIS and NEPHROCALCINOSIS, and RICKETS. Renal Tubular Acidosis,Renal Tubular Acidosis, Type I,Renal Tubular Acidosis, Type II,Type I Renal Tubular Acidosis,Type II Renal Tubular Acidosis,Acidosis, Renal Tubular, Type I,Acidosis, Renal Tubular, Type II,Autosomal Dominant Distal Renal Tubular Acidosis,Classic Distal Renal Tubular Acidosis,Distal Renal Tubular Acidosis,Proximal Renal Tubular Acidosis,RTA, Classic Type,RTA, Distal Type, Autosomal Dominant,RTA, Gradient Type,RTA, Proximal Type,Renal Tubular Acidosis 1,Renal Tubular Acidosis I,Renal Tubular Acidosis II,Renal Tubular Acidosis, Distal, Autosomal Dominant,Renal Tubular Acidosis, Proximal,Renal Tubular Acidosis, Proximal, with Ocular Abnormalities,Classic Type RTA,Classic Type RTAs,Gradient Type RTA,Gradient Type RTAs,Proximal Type RTA,Proximal Type RTAs,RTAs, Classic Type,RTAs, Gradient Type,RTAs, Proximal Type
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D000974 Antibodies, Antinuclear Autoantibodies directed against various nuclear antigens including DNA, RNA, histones, acidic nuclear proteins, or complexes of these molecular elements. Antinuclear antibodies are found in systemic autoimmune diseases including systemic lupus erythematosus, Sjogren's syndrome, scleroderma, polymyositis, and mixed connective tissue disease. Anti-DNA Antibodies,Antibodies, Anti-DNA,Antinuclear Antibodies,Antinuclear Autoantibodies,Antinuclear Autoantibody,Antinuclear Factors,Antinuclear Antibody,Antinuclear Factor,Anti DNA Antibodies,Antibody, Antinuclear,Autoantibody, Antinuclear,Factor, Antinuclear
D012859 Sjogren's Syndrome Chronic inflammatory and autoimmune disease in which the salivary and lacrimal glands undergo progressive destruction by lymphocytes and plasma cells resulting in decreased production of saliva and tears. The primary form, often called sicca syndrome, involves both KERATOCONJUNCTIVITIS SICCA and XEROSTOMIA. The secondary form includes, in addition, the presence of a connective tissue disease, usually rheumatoid arthritis. Sicca Syndrome,Sjogren Syndrome,Sjogrens Syndrome,Syndrome, Sicca,Syndrome, Sjogren's

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