Pulmonary and critical care medicine

D. R. Dantzker and H. Steinberg
Albert Einstein College of Medicine, New York, NY.

Although it is still unknown how much CPAP use is sufficient to prevent daytime hypersomnolence in obstructive sleep apnea syndrome, sleeping without CPAP for one night reversed the beneficial effects of 1 month of CPAP use. The assessment of tissue pH is relatively easy in hollow organs by means of tonometry.