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Correspondence |

Which Mask for Noninvasive Ventilation in Acute Respiratory Failure?Noninvasive Ventilation in Respiratory Failure FREE TO VIEW

Nicola Barbarito, MD; Adriano Vaghi, MD; Elisa De Mattia, RT
Author and Funding Information

From the Respiratory Unit (Drs Barbarito and Vaghi), Santa Corona Hospital, AO Salvini-Garbagnate Milanese; and NeuroMuscular Omnicentre (Ms De Mattia), Fondazione Serena Onlus, Ospedale Niguarda Cà Granda.

Correspondence to: Nicola Barbarito, MD, Respiratory Unit, Santa Corona Hospital-AO Salvini, viale Forlanini 121, 20024 Garbagnate Milanese (MI), Italy; e-mail: nicola.barbarito@yahoo.it


Financial/nonfinancial disclosures: The authors have reported to CHEST that no potential conflicts of interest exist with any companies/organizations whose products or services may be discussed in this article.

Reproduction of this article is prohibited without written permission from the American College of Chest Physicians (http://www.chestpubs.org/site/misc/reprints.xhtml).


© 2011 American College of Chest Physicians


Chest. 2011;140(4):1103. doi:10.1378/chest.11-1223
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To the Editor:

We read with great interest the recent report in CHEST (May 2011) by Ozsancak et al1 comparing the total face mask (TFM) with the oronasal mask (ONM) for the treatment of acute respiratory failure by noninvasive mechanical ventilation (NIV). The authors found similar early NIV discontinuation rates in the TFM and ONM groups (16 of 29 vs 12 of 31, respectively). They also found that the median duration of NIV with the TFM was significantly shorter than with the ONM (6.05 h vs 15.7 h, excluding the total duration of NIV performed with the TFM and after the switch to the ONM). Figures 5 and 6 of their article showed similar improvement in dyspnea, respiratory rate, and oxygen saturation for both groups at 0.5, 1, and 3 h. However, the figures do not show the trend of Paco2, although its improvement was indicated as similar in the text, with P > .05.

We would like to know what the mean improvement time of Paco2 and the mean duration of effective NIV (ie, not discontinued early [n = 12 of 29 TFM, 18 of 31 ONM]) were for each group in order to understand whether the TFM or the ONM permitted significantly quicker changes both in symptoms and in hemogas analysis. We also ask because none of the 12 patients using an ONM who discontinued use early from NIV was switched to a TFM. We believe that these points would permit us to better realize the advantages of one of the two masks in an acute setting.

Ozsancak O, Sidhom SS, Liesching TN, Howard W, Hill NS. Evaluation of the total face mask for noninvasive ventilation to treat acute respiratory failure. Chest. 2011;1395:1034-1041 [CrossRef] [PubMed]
 

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Ozsancak O, Sidhom SS, Liesching TN, Howard W, Hill NS. Evaluation of the total face mask for noninvasive ventilation to treat acute respiratory failure. Chest. 2011;1395:1034-1041 [CrossRef] [PubMed]
 
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