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 Table of Contents    
LETTER TO EDITOR
Year : 2014  |  Volume : 58  |  Issue : 2  |  Page : 241  

Response to comments: Nebulised fentanyl for post-operative pain relief, a prospective double-blind controlled randomised clinical trial


Department of Anaesthesia, IMS, BHU, Varanasi, Uttar Pradesh, India

Date of Web Publication16-Apr-2014

Correspondence Address:
Anil P Singh
Department of Anaesthesia, IMS, BHU, Varanasi, Uttar Pradesh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0019-5049.130856

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How to cite this article:
Singh AP, Meena R, Rastogi V. Response to comments: Nebulised fentanyl for post-operative pain relief, a prospective double-blind controlled randomised clinical trial. Indian J Anaesth 2014;58:241

How to cite this URL:
Singh AP, Meena R, Rastogi V. Response to comments: Nebulised fentanyl for post-operative pain relief, a prospective double-blind controlled randomised clinical trial. Indian J Anaesth [serial online] 2014 [cited 2019 Dec 12];58:241. Available from: http://www.ijaweb.org/text.asp?2014/58/2/241/130856

Sir,

We are grateful to Mather (Reference of article IJA_673_13) [1] for his critical analysis of our paper on post-operative nebulised fentanyl [2] and we offer our views on his comments.

The reader has commented that their study was performed with pharmacokinetic aims, on healthy volunteers and reached similar conclusion using morphine. [3],[4] We studied differences in the onset of therapeutic effect of nebulised and intravenous fentanyl.

The authors (in the cited study) [3] have clearly explained the methods of aerosol drug delivery used to administer pulmonary morphine and fentanyl and concluded that both amount and rate of bioavailability of aerosolised drug pulmonary administration depend on aerosolised particle size. We performed a clinical study and particle size of nebulised fentanyl was not measured while reader has suggested that particle size of 8-10 μ m is more efficacious for pulmonary aerosol drug delivery.

The insight by Mather et al. on pulmonary drug administration will help in future studies based on particle size of aerosolised drug. We are thankful to the author for correction of our citation.

 
   References Top

1.Mather LE. Postoperative nebulised fentanyl. Indian J Anaesth 2014;58:240-41.  Back to cited text no. 1
  Medknow Journal  
2.Singh AP, Jena SS, Meena RK, Tewari M, Rastogi V. Nebulised fentanyl for post-operative pain relief, a prospective double-blind controlled randomised clinical trial. Indian J Anaesth 2013;57:583-6.  Back to cited text no. 2
[PUBMED]  Medknow Journal  
3.Mather LE, Woodhouse A, Ward ME, Farr SJ, Rubsamen RA, Eltherington LG. Pulmonary administration of aerosolised fentanyl: Pharmacokinetic analysis of systemic delivery. Br J Clin Pharmacol 1998;46:37-43.  Back to cited text no. 3
    
4.Ward ME, Woodhouse A, Mather LE, Farr SJ, Okikawa JK, Lloyd P, et al. Morphine pharmacokinetics after pulmonary administration from a novel aerosol delivery system. Clin Pharmacol Ther 1997;62:596-609.  Back to cited text no. 4
    




 

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