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Continuous jugular venous versus nasopharyngeal temperature monitoring during hypothermic cardiopulmonary bypass for cardiac surgery.

Publication ,  Journal Article
Grocott, HP; Newman, MF; Croughwell, ND; White, WD; Lowry, E; Reves, JG
Published in: J Clin Anesth
June 1997

STUDY OBJECTIVE: To compare jugular venous to nasopharyngeal temperature during hypothermic cardiopulmonary bypass (CPB). DESIGN: Prospective observational study. SETTING: Tertiary care teaching hospital. PATIENTS: 5 ASA physical status IV patients (40 to 65 years of age) having cardiac surgery with hypothermic CPB. INTERVENTIONS, MEASUREMENTS AND MAIN RESULTS: Jugular venous and nasopharyngeal temperatures were recorded throughout the procedure with comparisons made during four time periods: pre-CPB, during CPB, during rewarming, and post-CPB. The patients underwent 85.8 +/- 45.8 minutes (mean +/- SD) of hypothermic CPB, cooling to 26.3 +/- 7.6 degrees C (nasopharyngeal) followed by rewarming at 0.35 +/- 0.1 degree C (nasopharyngeal)/min. There was a high degree of precision between the two temperature sites, but marked differences in bias. In particular, temperature bias was more pronounced during rewarming from CPB compared with other time periods (p < 0.05) where jugular venous temperature was greater than nasopharyngeal temperature by 3.4 degrees C. CONCLUSION: Nasopharyngeal temperature underestimates jugular venous temperature during rewarming from hypothermic CPB. As a result, the brain may be exposed to periods of hyperthermia, possibly increasing the risk of neurologic injury associated with CPB.

Duke Scholars

Published In

J Clin Anesth

DOI

ISSN

0952-8180

Publication Date

June 1997

Volume

9

Issue

4

Start / End Page

312 / 316

Location

United States

Related Subject Headings

  • Nasopharynx
  • Monitoring, Intraoperative
  • Middle Aged
  • Male
  • Jugular Veins
  • Hypothermia, Induced
  • Humans
  • Female
  • Cardiopulmonary Bypass
  • Brain
 

Citation

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Grocott, H. P., Newman, M. F., Croughwell, N. D., White, W. D., Lowry, E., & Reves, J. G. (1997). Continuous jugular venous versus nasopharyngeal temperature monitoring during hypothermic cardiopulmonary bypass for cardiac surgery. J Clin Anesth, 9(4), 312–316. https://doi.org/10.1016/s0952-8180(97)00009-3
Grocott, H. P., M. F. Newman, N. D. Croughwell, W. D. White, E. Lowry, and J. G. Reves. “Continuous jugular venous versus nasopharyngeal temperature monitoring during hypothermic cardiopulmonary bypass for cardiac surgery.J Clin Anesth 9, no. 4 (June 1997): 312–16. https://doi.org/10.1016/s0952-8180(97)00009-3.
Grocott HP, Newman MF, Croughwell ND, White WD, Lowry E, Reves JG. Continuous jugular venous versus nasopharyngeal temperature monitoring during hypothermic cardiopulmonary bypass for cardiac surgery. J Clin Anesth. 1997 Jun;9(4):312–6.
Grocott, H. P., et al. “Continuous jugular venous versus nasopharyngeal temperature monitoring during hypothermic cardiopulmonary bypass for cardiac surgery.J Clin Anesth, vol. 9, no. 4, June 1997, pp. 312–16. Pubmed, doi:10.1016/s0952-8180(97)00009-3.
Grocott HP, Newman MF, Croughwell ND, White WD, Lowry E, Reves JG. Continuous jugular venous versus nasopharyngeal temperature monitoring during hypothermic cardiopulmonary bypass for cardiac surgery. J Clin Anesth. 1997 Jun;9(4):312–316.
Journal cover image

Published In

J Clin Anesth

DOI

ISSN

0952-8180

Publication Date

June 1997

Volume

9

Issue

4

Start / End Page

312 / 316

Location

United States

Related Subject Headings

  • Nasopharynx
  • Monitoring, Intraoperative
  • Middle Aged
  • Male
  • Jugular Veins
  • Hypothermia, Induced
  • Humans
  • Female
  • Cardiopulmonary Bypass
  • Brain