... Abstract If untreated, obstructive sleep apnea (OSA) develops as a gradual progressive disease. In the early stage of the disease most patients with OSA are positional. The archetypical patient might progress from simple positional snoring via positional early-stage mild disease to less...

... Abstract Purpose of Chapter: This chapter discusses the recent progress made in understanding the pathophysiology, diagnosis, and treatment of benign paroxysmal positional vertigo (BPPV). Recent Findings: Recent evidence supports the canalolithiasis model as the pathophysiological...

... Abstract Recent developments in positional venous magnetic resonance angiography are reviewed and the available techniques and their limitations are discussed. A special focus is laid on the imaging findings showing the interconnection of venous blood drainage of the brain and cerebrospinal...

... One of the most important aspects of the auricular reconstruction is to decide on the proper position for which auricular reconstruction canalplasty can be performed. Some patients visit our institution after undergoing a reconstruction at other hospitals and hope to receive canalplasty...