Sleep study indices and early post-tonsillectomy outcomes

Daniel C. O'Brien, Yuti Desai, Robert T. Swanson, Uma ramesh Parekh, Jane R. Schubart, Michele M. Carr

Research output: Contribution to journalArticle

Abstract

Objectives: To investigate the relationships between preoperative sleep study findings of children undergoing adenotonsillectomy anesthesia emergence time, recovery room time, and length of stay. Study design: Retrospective case series with chart review. Setting: Tertiary care children's hospital. Subjects and methods: All children aged 1–17 years who had undergone adenotonsillectomy between 2013 and 2016 were included. Apnea-hypopnea index (AHI), central apnea index (CAI), oxygen saturation nadir, and end-tidal carbon dioxide were compared with the in-operating room times, recovery room time, and length of stay. Results: Three hundred and fourteen patients with a mean age of 6.67 (95% CI 6.25–7.09) years were included. Mean AHI was 9.14 (95% CI 7.33–10.95), mean CI was 0.88 (95% CI 0.50–1.26), mean oxygen saturation nadir was 82.9% (95% CI 81.41–84.32), mean end-tidal carbon dioxide was 50.3 (95% CI 49.39–51.15). Mean emergence time was 16 min (95% CI 15:11–17:13 min), recovery room time was 66 min (95% CI 1:00–1:11 h), and length of stay was 25.7 h (95% CI 21:43–30:00 h). When controlled for age, gender and BMI, linear regression showed that children with a higher AHI had a significantly longer operating room and operative times (p < 0.001), emergence time (p < 0.001) and length of stay (p = 0.01). CAI was related to shorter total operating room times (p = 0.03). AHI, oxygen saturation nadir, CAI and end-tidal carbon dioxide were not associated with recovery room time. Conclusion: Preoperative sleep study indices are associated with longer in-operating room times and length of stay, and can be useful in planning operating room and hospital flow.

Original languageEnglish (US)
Pages (from-to)623-627
Number of pages5
JournalAmerican Journal of Otolaryngology - Head and Neck Medicine and Surgery
Volume39
Issue number5
DOIs
StatePublished - Sep 1 2018

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Tonsillectomy
Sleep
Recovery Room
Operating Rooms
Apnea
Length of Stay
Central Sleep Apnea
Carbon Dioxide
Oxygen
Tertiary Healthcare
Operative Time
Linear Models
Anesthesia
Retrospective Studies

All Science Journal Classification (ASJC) codes

  • Otorhinolaryngology

Cite this

O'Brien, Daniel C. ; Desai, Yuti ; Swanson, Robert T. ; Parekh, Uma ramesh ; Schubart, Jane R. ; Carr, Michele M. / Sleep study indices and early post-tonsillectomy outcomes. In: American Journal of Otolaryngology - Head and Neck Medicine and Surgery. 2018 ; Vol. 39, No. 5. pp. 623-627.
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abstract = "Objectives: To investigate the relationships between preoperative sleep study findings of children undergoing adenotonsillectomy anesthesia emergence time, recovery room time, and length of stay. Study design: Retrospective case series with chart review. Setting: Tertiary care children's hospital. Subjects and methods: All children aged 1–17 years who had undergone adenotonsillectomy between 2013 and 2016 were included. Apnea-hypopnea index (AHI), central apnea index (CAI), oxygen saturation nadir, and end-tidal carbon dioxide were compared with the in-operating room times, recovery room time, and length of stay. Results: Three hundred and fourteen patients with a mean age of 6.67 (95{\%} CI 6.25–7.09) years were included. Mean AHI was 9.14 (95{\%} CI 7.33–10.95), mean CI was 0.88 (95{\%} CI 0.50–1.26), mean oxygen saturation nadir was 82.9{\%} (95{\%} CI 81.41–84.32), mean end-tidal carbon dioxide was 50.3 (95{\%} CI 49.39–51.15). Mean emergence time was 16 min (95{\%} CI 15:11–17:13 min), recovery room time was 66 min (95{\%} CI 1:00–1:11 h), and length of stay was 25.7 h (95{\%} CI 21:43–30:00 h). When controlled for age, gender and BMI, linear regression showed that children with a higher AHI had a significantly longer operating room and operative times (p < 0.001), emergence time (p < 0.001) and length of stay (p = 0.01). CAI was related to shorter total operating room times (p = 0.03). AHI, oxygen saturation nadir, CAI and end-tidal carbon dioxide were not associated with recovery room time. Conclusion: Preoperative sleep study indices are associated with longer in-operating room times and length of stay, and can be useful in planning operating room and hospital flow.",
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Sleep study indices and early post-tonsillectomy outcomes. / O'Brien, Daniel C.; Desai, Yuti; Swanson, Robert T.; Parekh, Uma ramesh; Schubart, Jane R.; Carr, Michele M.

In: American Journal of Otolaryngology - Head and Neck Medicine and Surgery, Vol. 39, No. 5, 01.09.2018, p. 623-627.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Sleep study indices and early post-tonsillectomy outcomes

AU - O'Brien, Daniel C.

AU - Desai, Yuti

AU - Swanson, Robert T.

AU - Parekh, Uma ramesh

AU - Schubart, Jane R.

AU - Carr, Michele M.

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N2 - Objectives: To investigate the relationships between preoperative sleep study findings of children undergoing adenotonsillectomy anesthesia emergence time, recovery room time, and length of stay. Study design: Retrospective case series with chart review. Setting: Tertiary care children's hospital. Subjects and methods: All children aged 1–17 years who had undergone adenotonsillectomy between 2013 and 2016 were included. Apnea-hypopnea index (AHI), central apnea index (CAI), oxygen saturation nadir, and end-tidal carbon dioxide were compared with the in-operating room times, recovery room time, and length of stay. Results: Three hundred and fourteen patients with a mean age of 6.67 (95% CI 6.25–7.09) years were included. Mean AHI was 9.14 (95% CI 7.33–10.95), mean CI was 0.88 (95% CI 0.50–1.26), mean oxygen saturation nadir was 82.9% (95% CI 81.41–84.32), mean end-tidal carbon dioxide was 50.3 (95% CI 49.39–51.15). Mean emergence time was 16 min (95% CI 15:11–17:13 min), recovery room time was 66 min (95% CI 1:00–1:11 h), and length of stay was 25.7 h (95% CI 21:43–30:00 h). When controlled for age, gender and BMI, linear regression showed that children with a higher AHI had a significantly longer operating room and operative times (p < 0.001), emergence time (p < 0.001) and length of stay (p = 0.01). CAI was related to shorter total operating room times (p = 0.03). AHI, oxygen saturation nadir, CAI and end-tidal carbon dioxide were not associated with recovery room time. Conclusion: Preoperative sleep study indices are associated with longer in-operating room times and length of stay, and can be useful in planning operating room and hospital flow.

AB - Objectives: To investigate the relationships between preoperative sleep study findings of children undergoing adenotonsillectomy anesthesia emergence time, recovery room time, and length of stay. Study design: Retrospective case series with chart review. Setting: Tertiary care children's hospital. Subjects and methods: All children aged 1–17 years who had undergone adenotonsillectomy between 2013 and 2016 were included. Apnea-hypopnea index (AHI), central apnea index (CAI), oxygen saturation nadir, and end-tidal carbon dioxide were compared with the in-operating room times, recovery room time, and length of stay. Results: Three hundred and fourteen patients with a mean age of 6.67 (95% CI 6.25–7.09) years were included. Mean AHI was 9.14 (95% CI 7.33–10.95), mean CI was 0.88 (95% CI 0.50–1.26), mean oxygen saturation nadir was 82.9% (95% CI 81.41–84.32), mean end-tidal carbon dioxide was 50.3 (95% CI 49.39–51.15). Mean emergence time was 16 min (95% CI 15:11–17:13 min), recovery room time was 66 min (95% CI 1:00–1:11 h), and length of stay was 25.7 h (95% CI 21:43–30:00 h). When controlled for age, gender and BMI, linear regression showed that children with a higher AHI had a significantly longer operating room and operative times (p < 0.001), emergence time (p < 0.001) and length of stay (p = 0.01). CAI was related to shorter total operating room times (p = 0.03). AHI, oxygen saturation nadir, CAI and end-tidal carbon dioxide were not associated with recovery room time. Conclusion: Preoperative sleep study indices are associated with longer in-operating room times and length of stay, and can be useful in planning operating room and hospital flow.

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