Catheterized urine color change.

What caused the abrupt change in color of catheterized urine after several days of Foley catheter placement?

Predictors of sildenafil effects on exercise capacity in adolescents and adults with Fontan circulation.

Objective: A single dose of sildenafil improves exercise capacity in Fontan patients. However, a recent study failed to show a long-term effect of sildenafil. This study evaluated whether there are factors that might predict sildenafil effects.

Pharyngitis.

Most infectious pharyngitis has a viral cause. The use of aspirin or nonsteroidal antiinflammatory agents (NSAIAs) is advised in adults and NSAIAs in children for the treatment of pain. There are several studies that show that NSAIAs relieve pharyngitis pain better than acetaminophen.

Value of N-terminal pro brain natriuretic peptide levels in different types of Fontan circulation.

Aims: N-terminal pro brain natriuretic peptide (NT-proBNP) is an important biomarker in congestive heart failure. This has also been confirmed in congenital heart disease. However, its clinical value in patients with different types of Fontan circulation remains questionable.