Objective: To measure the intrapharyngeal pressure ( IPP) generated by high-flow nasal cannula ( HFNC) at varying flow rates up to 51 min(-1). Study Design: We studied 14 infants on HFNC or NCPAP using IPP manometry to measure the IPP generated at flows of 1, 2, 3, 4 and 51 min(-1). Result: On average flow rates of 1, 2, 3, 4 and 51 min(-1) generated an IPP ( cm of H2O) of 1.70 +/- 0.34, 1.75 +/- 0.2, 2.62 +/- 0.28, 3.78 +/- 0.44 and 4.84 +/- 0.51 respectively. Conclusion: HFNC delivers significant IPP and is potentially a well-tolerated and viable option to provide CPAP at flows of >= 3 min(-1) in infants with respiratory distress.
机构:
Korea Univ, Coll Med, Dept Pediat, Seoul 136705, South Korea
Korea Univ, Ansan Hosp, Dept Pediat, Ansan, South KoreaKorea Univ, Coll Med, Dept Pediat, Seoul 136705, South Korea
Choi, B. M.
Lee, E. H.
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Korea Univ, Coll Med, Dept Pediat, Seoul 136705, South KoreaKorea Univ, Coll Med, Dept Pediat, Seoul 136705, South Korea
Lee, E. H.
Park, K. H.
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Korea Univ, Coll Med, Dept Pediat, Seoul 136705, South KoreaKorea Univ, Coll Med, Dept Pediat, Seoul 136705, South Korea
Park, K. H.
Chung, B. H.
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Korea Univ, Coll Med, Dept Pediat, Seoul 136705, South KoreaKorea Univ, Coll Med, Dept Pediat, Seoul 136705, South Korea
Chung, B. H.
Park, H. J.
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Korea Univ, Ansan Hosp, Dept Pediat, Ansan, South KoreaKorea Univ, Coll Med, Dept Pediat, Seoul 136705, South Korea
Park, H. J.
Choi, Y. O.
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Korea Univ, Ansan Hosp, Dept Pediat, Ansan, South KoreaKorea Univ, Coll Med, Dept Pediat, Seoul 136705, South Korea
Choi, Y. O.
Hong, Y. S.
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Korea Univ, Coll Med, Dept Pediat, Seoul 136705, South KoreaKorea Univ, Coll Med, Dept Pediat, Seoul 136705, South Korea
机构:
Childrens Hosp Philadelphia, Dept Anesthesiol & Crit Care Med, Philadelphia, PA 19104 USAChildrens Hosp Philadelphia, Dept Anesthesiol & Crit Care Med, Philadelphia, PA 19104 USA
Yehya, Nadir
Thomas, Neal J.
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Penn State Hershey Childrens Hosp, Dept Pediat & Publ Hlth Sci, Div Pediat Crit Care Med, Hershey, PA USAChildrens Hosp Philadelphia, Dept Anesthesiol & Crit Care Med, Philadelphia, PA 19104 USA