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Central Sleep Apnea (CSA)

What Is central sleep apnea (CSA)?

Central sleep apnea is a condition defined by pauses in breathing due to a lack of respiratory effort during sleep. Unlike obstructive sleep apnea, the pauses in breathing throughout the night are due to the lack of respiratory muscles activating or the brain failing to activate the respiratory muscles that control breathing during sleep.

To breathe in, our brain sends a signal to the diaphragm and the muscles of our rib cage to contract. The contraction of the diaphragm and rib cage muscles produces an inhalation. In central sleep apnea, there is typically a lack of communication from the brain to these muscles.

It is important to note that a few central apneas per night is considered normal. We often “forget to breathe” briefly as we drift off to sleep or after waking up.

How Is central sleep apnea different From obstructive sleep apnea?

Obstructive sleep apnea results from airway blockage during sleep despite continued breathing effort. The airway becomes blocked by excess tissue or from pressure created by excess body weight, leading to sleep fragmentation and low oxygen levels during sleep.

In central sleep apnea, the problem is not a blocked airway. Instead, pauses in breathing are the result of a miscommunication that occurs between the brain and the muscles that control breathing during sleep. As a result, normal respiratory effort is disrupted and does not always occur. It should be noted that it is possible to have both obstructive and central sleep apnea at the same time, and both are detected by a thorough in-lab overnight sleep study.

If you are suffering from a sleep disorder, ask to be referred to UT Health East Texas by your physician or call 903-531-8079 to begin the referral process.

Providers For Central Sleep Apnea (CSA)

Rodolfo Amaro Galvez, MD
Pulmonology (Lung Disease) - Pediatric, Sleep Medicine

David Jones, MD, FCCP, DABSM
Pulmonology (Lung Disease), Critical Care Medicine, Sleep Medicine

Ketan Patel, MBBS, MD, FCCP
Pulmonology (Lung Disease), Critical Care Medicine, Sleep Medicine

Christopher A. Perro, MD, FACS
Ear, Nose & Throat (ENT), Head and Neck Surgery, Facial Plastic and Reconstructive Surgery

Robert Strominger, MD
Ear, Nose & Throat (ENT), Head and Neck Surgery

Carla Wang-Kocik, MD
Pulmonology (Lung Disease), Critical Care Medicine, Sleep Medicine