Lupus anticoagulant in the elderly may be associated with both quinine and quinidine usage. 1995

M R Bird, and A I O'Neill, and R R Buchanan, and K M Ibrahim, and J Des Parkin
Department of Medicine, Austin and Repatriation Medical Centre, Heidelberg, Victoria.

Thirty-one patients aged over 60 yrs and with lupus anticoagulant (LA) were reviewed for their drug intake. Twenty-three (73%) were taking cinchona alkaloids, 10 (32%) quinine for night cramps, 11 (35%) quinidine for cardiac arrhythmia and 2 (6%) were taking both. These frequencies of drugs usage differed significantly from age and sex matched controls (p < 0.001). Five patients had features suggestive of the antiphospholipid syndrome. Repeat testing showed persistent LA activity in all but 2 of 5 patients in whom the relevant drug had been ceased. This is the first description of a possible causal association between LA and quinine therapy.

UI MeSH Term Description Entries
D008297 Male Males
D011802 Quinidine An optical isomer of quinine, extracted from the bark of the CHINCHONA tree and similar plant species. This alkaloid dampens the excitability of cardiac and skeletal muscles by blocking sodium and potassium currents across cellular membranes. It prolongs cellular ACTION POTENTIALS, and decreases automaticity. Quinidine also blocks muscarinic and alpha-adrenergic neurotransmission. Adaquin,Apo-Quinidine,Chinidin,Quincardine,Quinidex,Quinidine Sulfate,Quinora,Apo Quinidine,Sulfate, Quinidine
D011803 Quinine An alkaloid derived from the bark of the cinchona tree. It is used as an antimalarial drug, and is the active ingredient in extracts of the cinchona that have been used for that purpose since before 1633. Quinine is also a mild antipyretic and analgesic and has been used in common cold preparations for that purpose. It was used commonly and as a bitter and flavoring agent, and is still useful for the treatment of babesiosis. Quinine is also useful in some muscular disorders, especially nocturnal leg cramps and myotonia congenita, because of its direct effects on muscle membrane and sodium channels. The mechanisms of its antimalarial effects are not well understood. Biquinate,Legatrim,Myoquin,Quinamm,Quinbisan,Quinbisul,Quindan,Quinimax,Quinine Bisulfate,Quinine Hydrochloride,Quinine Lafran,Quinine Sulfate,Quinine Sulphate,Quinine-Odan,Quinoctal,Quinson,Quinsul,Strema,Surquina,Bisulfate, Quinine,Hydrochloride, Quinine,Sulfate, Quinine,Sulphate, Quinine
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D000369 Aged, 80 and over Persons 80 years of age and older. Oldest Old
D012189 Retrospective Studies Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons. Retrospective Study,Studies, Retrospective,Study, Retrospective
D016682 Lupus Coagulation Inhibitor An antiphospholipid antibody found in association with a variety of diseases (e.g., SYSTEMIC LUPUS ERYTHEMATOSUS and ANTIPHOSPHOLIPID SYNDROME) as well as in healthy individuals. In vitro, the antibody interferes with the conversion of prothrombin to thrombin and prolongs the partial thromboplastin time. In vivo, it exerts a procoagulant effect resulting in thrombosis mainly in the larger veins and arteries. It further causes obstetrical complications, including fetal death and spontaneous abortion, as well as a variety of hematologic and neurologic complications. Lupus Anticoagulant,Lupus Anticoagulant Autoantibodies,Lupus Anticoagulant Autoantibody,Anticoagulant, Lupus,Coagulation Inhibitor, Lupus,Inhibitor, Lupus Coagulation,Anticoagulant Autoantibody, Lupus,Autoantibody, Lupus Anticoagulant
D016736 Antiphospholipid Syndrome The presence of antibodies directed against phospholipids (ANTIBODIES, ANTIPHOSPHOLIPID). The condition is associated with a variety of diseases, notably systemic lupus erythematosus and other connective tissue diseases, thrombopenia, and arterial or venous thromboses. In pregnancy it can cause abortion. Of the phospholipids, the cardiolipins show markedly elevated levels of anticardiolipin antibodies (ANTIBODIES, ANTICARDIOLIPIN). Present also are high levels of lupus anticoagulant (LUPUS COAGULATION INHIBITOR). Anti-Phospholipid Antibody Syndrome,Anti-Phospholipid Syndrome,Antiphospholipid Antibody Syndrome,Hughes Syndrome,Anti Phospholipid Antibody Syndrome,Anti Phospholipid Syndrome,Antibody Syndrome, Anti-Phospholipid,Antibody Syndrome, Antiphospholipid,Antiphospholipid Antibody Syndromes,Syndrome, Anti-Phospholipid,Syndrome, Anti-Phospholipid Antibody,Syndrome, Antiphospholipid,Syndrome, Antiphospholipid Antibody,Syndrome, Hughes

Related Publications

M R Bird, and A I O'Neill, and R R Buchanan, and K M Ibrahim, and J Des Parkin
December 1981, Neurology,
M R Bird, and A I O'Neill, and R R Buchanan, and K M Ibrahim, and J Des Parkin
July 1994, Acta dermato-venereologica,
M R Bird, and A I O'Neill, and R R Buchanan, and K M Ibrahim, and J Des Parkin
April 2007, American journal of hematology,
M R Bird, and A I O'Neill, and R R Buchanan, and K M Ibrahim, and J Des Parkin
October 1991, British heart journal,
M R Bird, and A I O'Neill, and R R Buchanan, and K M Ibrahim, and J Des Parkin
June 2008, The journal of evidence-based dental practice,
M R Bird, and A I O'Neill, and R R Buchanan, and K M Ibrahim, and J Des Parkin
September 1996, Clinical rheumatology,
M R Bird, and A I O'Neill, and R R Buchanan, and K M Ibrahim, and J Des Parkin
April 2002, Seizure,
M R Bird, and A I O'Neill, and R R Buchanan, and K M Ibrahim, and J Des Parkin
December 2007, Lung,
M R Bird, and A I O'Neill, and R R Buchanan, and K M Ibrahim, and J Des Parkin
January 1989, Dermatologica,
M R Bird, and A I O'Neill, and R R Buchanan, and K M Ibrahim, and J Des Parkin
November 1985, The New England journal of medicine,
Copied contents to your clipboard!