title: Postoperative monitoring of esophageal pressure in patients with obstructive sleep apnea-hypopnea syndrome who have undergone tonsillectomy with uvulopalatopharyngoplasty.
abstract: OBJECTIVE
  To realize better postoperative management in patients with obstructive sleep apnea-hypopnea syndrome (OSAHS), we elucidated the need for the postoperative monitoring of esophageal pressure (Pes).
  
  
  METHODS
  A prospective randomized controlled study was performed. Adult patients with OSAHS were divided into 2 groups: those administered autoadjusted continuous positive airway pressure (CPAP) before, on, and after the first postoperative night (CPAP group) and those not administered CPAP before or after the surgery (non-CPAP group). Tonsillectomy with uvulopalatopharyngoplasty (UPPP) under general anesthesia was performed on all of the patients. On the first postoperative night, continuous overnight monitoring of Pes and oxygen saturation level was carried out simultaneously with oxygen supplementation in both groups in the patient's room in the general ward.
  
  
  RESULTS
  The CPAP group showed a significantly improved mean inspiratory maximal end-apneic Pes swing on the first postoperative night as compared with the non-CPAP group, although there was no significant difference in oxygen desaturation index on the first postoperative night between the 2 groups.
  
  
  CONCLUSIONS
  Continuous Pes monitoring and CPAP administration were beneficial in the detection and minimization of respiratory disturbances in patients with OSAHS who underwent tonsillectomy with UPPP under general anesthesia.
authors.affiliation: Department of Otolaryngology, Teikyo University School of Medicine, Tokyo, Japan.
authors.forename: Masaaki
authors.initials: M
authors.lastname: Suzuki
authors.forename: Hanako
authors.initials: H
authors.lastname: Saigusa
authors.forename: Ryoko
authors.initials: R
authors.lastname: Kurogi
authors.forename: Shigeho
authors.initials: S
authors.lastname: Morita
authors.forename: Yoichi
authors.initials: Y
authors.lastname: Ishizuka
mesh_terms: D000328:Adult; D004947:Esophagus / Q000503:physiopathology*; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D008991:Monitoring, Physiologic / Q000379:methods*; D013517:Otorhinolaryngologic Surgical Procedures / Q000379:methods*; D010614:Pharynx / Q000601:surgery*; D011182:Postoperative Care / Q000379:methods; D011312:Pressure; D011446:Prospective Studies; D019651:Plastic Surgery Procedures / Q000379:methods; D020181:Sleep Apnea, Obstructive / Q000503:physiopathology* / Q000601:surgery; D014068:Tonsillectomy / Q000379:methods*; D016896:Treatment Outcome; D014609:Uvula / Q000601:surgery*