Transverse nasal crease Transverse nasal crease The transverse nasal crease or groove is a usually white line between the upper two-thirds and the lower third of the human nose (slightly above the cartilage tip between the bridge and nostrils). It can occur as the result of heredity, accident, or the constant rubbing or wiping of the nose, commonly referred to as the allergic salute. In addition to cases caused by heredity, physical injury, the transverse nasal crease is common in children and adults with chronic nasal allergies. People with allergies often use their hands to remove mucus from a runny nose or rub
Nasal EPAP obstruction. Side effects that emerged during clinical trials included difficulty breathing, difficulty falling or staying asleep, dry mouth, nasal congestion, headache, difficulty putting on or removing the device, and anxiety. Ventus Medical received FDA 510K clearance for marketing the Provent EPAP device for OSA in 2009. Ventus received 510K clearance for an EPAP device to treat snoring in June 2012. Ventus was acquired by Theravent Inc. in 2013. Calik MW. Treatments for Obstructive Sleep Apnea. J Clin Outcomes Manag. 2016 Apr;23(4):181-192. Nasal EPAP Nasal expiratory positive airway pressure (Nasal EPAP) is a treatment for obstructive sleep apnea (OSA) and snoring.