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Biomedical subjects

D R Geraets

Publications and source records attributed to D R Geraets.

20 records · Page 2Linked to original sources

Thrombolytic-associated cholesterol emboli syndrome: case report and literature review.

Thrombolytics can cause cholesterol embolization syndrome (CES). This adverse effect has received less attention than other risks of thrombolytic therapy, such as systemic bleeding and hemorrhage, with only sporadic reports of CES in the literature. Risk factors have not been consistently identified and emphasized; therefore, occurrence of CES after thrombolysis remains difficult to predict, it results in substantial morbidity and mortality, and it lacks effective pharmacologic treatment. Heightened awareness of the disorder can aid in its correct identification and reporting.

Central Nervous System Diseases↗

Disposition of tablet and capsule formulations of digoxin in the elderly.

STUDY OBJECTIVE: To compare digoxin tablets and liquid-filled capsules with respect to excretion of the drug and its metabolites in urine and feces at steady state. DESIGN: A randomized, crossover trial, each period lasting 3 weeks, with no washout period. SETTING: A university hospital. PATIENTS: Six patients, five of whom were elderly, with histories of gastrointestinal disorders, such as hypochlorhydria, intestinal bacterial overgrowth, and inflammatory bowel disease. INTERVENTIONS: The patients received digoxin once/day in either tablet or capsule form for 3 weeks, and then were switched to the other formulation. Total urinary and fecal excretion from the last 3 days of each regimen were analyzed for the drug and metabolites. MEASUREMENTS AND MAIN RESULTS: No statistically significant differences were found between tablets and capsules in recovery of digoxin or its metabolites in urine or feces (p = 0.05). One subject had a 4-fold increase in urinary drug excretion and 50% decrease in fecal excretion after taking the capsules compared with tablets. Intersubject variability in extent and type of metabolite excretion was greater than intrasubject variability. CONCLUSIONS: Fecal analyses may be an accurate way to classify patients as formers of digoxin reduction products.

Aged↗