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[Isradipine versus diltiazem in the treatment of stable effort angina pectoris: ergometric evaluation in a crossover double-blind study]. 1994

F Perticone, and D A Borelli, and R Maio, and R Costa, and F Pugliese, and L Torchia, and S Caristo, and P L Mattioli
Dipartimento di Medicina Sperimentale e Clinica di Catanzaro, Università di Reggio Calabria.

OBJECTIVE To evaluate the effects of isradipine (ISR) and diltiazem (DIL) on exercise tolerance and ischemic ST depression in patients with stable effort angina. METHODS Fourteen out-patients, 9 males and 5 females, aged 46-65 years (mean +/- SD = 57 +/- 8), with ischemic heart disease and reproducible ST-segment depression on two consecutive exercise stress tests in baseline conditions, underwent a study consisting of 4 periods: 1 and 3 placebo, 2 and 4 at random ISR (5 mg b.i.d.) and DIL (120 mg b.i.d.). At the end of each period a multistage treadmill exercise stress test (Bruce protocol) was performed. RESULTS Both drugs significantly (p < 0.001) increased ischemia time (IT) (0.1 mV ST depression) as compared to placebo, from 438 +/- 132 s. to 620 +/- 164 s. (ISR) and 583 +/- 147 s. (DIL) without statistical difference between two drugs (p = 0.2), and significantly reduced (p < 0.002) the maximal ST depression, from -0.20 +/- 0.11 mV to -0.07 +/- 0.07 mV (ISR) and -0.09 +/- 0.11 mV (DIL). At the IT, systolic blood pressure increased (p = 0.02), from 180 +/- 19 mm Hg to 187 +/- 15 mm Hg (ISR) and 191 +/- 15 mm Hg (DIL); similarly, heart rate increased from 133 +/- 24 bpm to 144 +/- 18 bpm (ISR: p = 0.002) and 140 +/- 17 bpm (DIL: p = NS). CONCLUSIONS ISR and DIL, at the above dosage have showed an important and significant anti-ischemic effect (IT = +41.5% during ISR and +33.1% during DIL).

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D004110 Diltiazem A benzothiazepine derivative with vasodilating action due to its antagonism of the actions of CALCIUM ion on membrane functions. Aldizem,CRD-401,Cardil,Cardizem,Dilacor,Dilacor XR,Dilren,Diltiazem Hydrochloride,Diltiazem Malate,Dilzem,Tiazac,CRD 401,CRD401
D004311 Double-Blind Method A method of studying a drug or procedure in which both the subjects and investigators are kept unaware of who is actually getting which specific treatment. Double-Masked Study,Double-Blind Study,Double-Masked Method,Double Blind Method,Double Blind Study,Double Masked Method,Double Masked Study,Double-Blind Methods,Double-Blind Studies,Double-Masked Methods,Double-Masked Studies,Method, Double-Blind,Method, Double-Masked,Methods, Double-Blind,Methods, Double-Masked,Studies, Double-Blind,Studies, Double-Masked,Study, Double-Blind,Study, Double-Masked
D004562 Electrocardiography Recording of the moment-to-moment electromotive forces of the HEART as projected onto various sites on the body's surface, delineated as a scalar function of time. The recording is monitored by a tracing on slow moving chart paper or by observing it on a cardioscope, which is a CATHODE RAY TUBE DISPLAY. 12-Lead ECG,12-Lead EKG,12-Lead Electrocardiography,Cardiography,ECG,EKG,Electrocardiogram,Electrocardiograph,12 Lead ECG,12 Lead EKG,12 Lead Electrocardiography,12-Lead ECGs,12-Lead EKGs,12-Lead Electrocardiographies,Cardiographies,ECG, 12-Lead,EKG, 12-Lead,Electrocardiograms,Electrocardiographies, 12-Lead,Electrocardiographs,Electrocardiography, 12-Lead
D005080 Exercise Test Controlled physical activity which is performed in order to allow assessment of physiological functions, particularly cardiovascular and pulmonary, but also aerobic capacity. Maximal (most intense) exercise is usually required but submaximal exercise is also used. Arm Ergometry Test,Bicycle Ergometry Test,Cardiopulmonary Exercise Testing,Exercise Testing,Step Test,Stress Test,Treadmill Test,Cardiopulmonary Exercise Test,EuroFit Tests,Eurofit Test Battery,European Fitness Testing Battery,Fitness Testing,Physical Fitness Testing,Arm Ergometry Tests,Bicycle Ergometry Tests,Cardiopulmonary Exercise Tests,Ergometry Test, Arm,Ergometry Test, Bicycle,Ergometry Tests, Arm,Ergometry Tests, Bicycle,EuroFit Test,Eurofit Test Batteries,Exercise Test, Cardiopulmonary,Exercise Testing, Cardiopulmonary,Exercise Tests,Exercise Tests, Cardiopulmonary,Fitness Testing, Physical,Fitness Testings,Step Tests,Stress Tests,Test Battery, Eurofit,Test, Arm Ergometry,Test, Bicycle Ergometry,Test, Cardiopulmonary Exercise,Test, EuroFit,Test, Exercise,Test, Step,Test, Stress,Test, Treadmill,Testing, Cardiopulmonary Exercise,Testing, Exercise,Testing, Fitness,Testing, Physical Fitness,Tests, Arm Ergometry,Tests, Bicycle Ergometry,Tests, Cardiopulmonary Exercise,Tests, EuroFit,Tests, Exercise,Tests, Step,Tests, Stress,Tests, Treadmill,Treadmill Tests
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
D000787 Angina Pectoris The symptom of paroxysmal pain consequent to MYOCARDIAL ISCHEMIA usually of distinctive character, location and radiation. It is thought to be provoked by a transient stressful situation during which the oxygen requirements of the MYOCARDIUM exceed that supplied by the CORONARY CIRCULATION. Angor Pectoris,Stenocardia,Stenocardias

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