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Apnea, Bariatric surgery, and CPAP study


The Apnea, Bariatric surgery, and CPAP (ABC) study aimed to assess the role of bariatric (weight loss) surgery as compared to continuous positive airway pressure (CPAP) therapy plus weight loss counseling for the treatment of patients with class II obesity and those who have severe obstructive sleep apnea (OSA).

Read more about ABC at ClinicalTrials.gov (NCT01187771).

Data overview

/datasets (introduction)
Core data from baseline and follow-up (9- and 18-Month) visits.

/polysomnography (introduction)
Overnight polysomnography (PSG) data from baseline and follow-up (9- and 18-Month) visits.

Protocols and manuals


Recent Changes


When citing this dataset please use:

  1. Dean DA 2nd, Goldberger AL, Mueller R, Kim M, Rueschman M, Mobley D, Sahoo SS, Jayapandian CP, Cui L, Morrical MG, Surovec S, Zhang GQ, Redline S. Scaling Up Scientific Discovery in Sleep Medicine: The National Sleep Research Resource. Sleep. 2016 May 1;39(5):1151-64. doi: 10.5665/sleep.5774. Review. PubMed PMID: 27070134; PubMed Central PMCID: PMC4835314.
  2. Zhang GQ, Cui L, Mueller R, Tao S, Kim M, Rueschman M, Mariani S, Mobley D, Redline S. The National Sleep Research Resource: towards a sleep data commons. J Am Med Inform Assoc. 2018 May 31. doi: 10.1093/jamia/ocy064. [Epub ahead of print] PubMed PMID: 29860441.
  3. Bakker JP, Tavakkoli A, Rueschman M, Wang W, Andrews R, Malhotra A, Owens RL, Anand A, Dudley KA, Patel SR. Gastric Banding Surgery versus Continuous Positive Airway Pressure for Obstructive Sleep Apnea: A Randomized Controlled Trial. Am J Respir Crit Care Med. 2018 Apr 15;197(8):1080-1083. doi: 10.1164/rccm.201708-1637LE. PubMed PMID: 29035093; PubMed Central PMCID: PMC5909166.

This study was supported by NIH grants R01HL106410 and K24HL127307. Philips Respironics donated the CPAP machines and supplies used in the perioperative period for patients undergoing bariatric surgery.

National Sleep Research Resource
Apnea, Bariatric surgery, and CPAP study