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\title{An Unusual Cause of Stridor after Decannulation of a Tracheostomised Patient}
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\begin{document}

             \author[1]{Sailaja  Kambhampati}

             \author[2]{Meghana  Yadav}

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\date{\small \em Received: 11 December 2019 Accepted: 4 January 2020 Published: 15 January 2020}

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\begin{abstract}
        


Stridor is commonly seen post decannulation in a tracheostomised patient. Usually it occurs due to airway obstruction secondary to tracheal stenosis, granulation tissue, tracheomalacia. We report a rare case of stridor due to dynamic pharyngeal collapse after decannulation. A 68- year - old male who presented with inferior wall MI and Complete Heart Block had to be put on a mechanical ventilator for hemodynamic instability and subsequently tracheostomised. Post decannulation he developed stridor and breathlessness. CT scan of neck revealed a supraglottic narrowing which on bronchoscopy showed a dynamic collapsibility of supraglottic area. This dynamic collapse was treated with non invasive positive pressure ventilation.

\end{abstract}


\keywords{stridor tracheostomy decannulation supraglottic narrowing dynamic pharyngeal collapse.}

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\let\tabcellsep& 	 	 		 
\section[{An Unusual Cause of Stridor after Decannulation of a Tracheostomised Patient}]{An Unusual Cause of Stridor after Decannulation of a Tracheostomised Patient}\par
Sailaja Kambhampati ? \& Meghana Yadav ? Abstract-Stridor is commonly seen post decannulation in a tracheostomised patient. Usually it occurs due to airway obstruction secondary to tracheal stenosis, granulation tissue, tracheomalacia. We report a rare case of stridor due to dynamic pharyngeal collapse after decannulation. A 68-yearold male who presented with inferior wall MI and Complete Heart Block had to be put on a mechanical ventilator for hemodynamic instability and subsequently tracheostomised. Post decannulation he developed stridor and breathlessness. CT scan of neck revealed a supraglottic narrowing which on bronchoscopy showed a dynamic collapsibility of supraglottic area. This dynamic collapse was treated with non invasive positive pressure ventilation. 
\section[{Keywords:}]{Keywords:}\par
stridor tracheostomy decannulation supraglottic narrowing dynamic pharyngeal collapse. 
\section[{I.}]{I.}\par
Case Report 68-year -old male was admitted to the hospital for Inferior wall Myocardial Infarction and Complete Heart block. He was a current smoker with 80 pack-years history and a hypertensive and diabetic on treatment. As he was hemodynamic ally unstable he had to be intubated after being taken up for Percutaneous Coronary Angioplasty .As he had to be supported on the mechanical ventilator for a prolonged time with an endotracheal tube he had to be tracheostomised. In view of acute collapse of lung owing to thick tracheobronchial secretions, a good bronchial toileting was done. The patient was subsequently weaned off from the ventilator and then decannulated successfully. The follow-up visits in the OPD were uneventful clinically, but the patient was persistently complaining of progressive breathlessness and stridor. A CT scan of neck was advised and it showed supraglottic narrowing. Suspecting a laryngeal web, a video-assisted bronchoscopy was planned. Findings observed during bronchoscopy were dynamic collapsibility of the supraglottic area, with normal cords and no abnormality noted in the infraglottic area and tracheobronchial tree. The patient was advised nocturnal BIPAP. The patient's symptoms resolved completely and he returned to a normal lifestyle.     
\section[{III. Conclusion}]{III. Conclusion}\par
Even though stridor post decannulation is commonly due to tracheal stenosis, tracheomalacia dynamic pharyngeal collapsibility should also be considered as a potential cause. A video-assisted bronchoscopy aids in the detection of the dynamic collapse.\begin{figure}[htbp]
\noindent\textbf{1}\includegraphics[]{image-2.png}
\caption{\label{fig_0}Figure 1 :}\end{figure}
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\noindent\textbf{2}\includegraphics[]{image-3.png}
\caption{\label{fig_1}Figure 2 :}\end{figure}
 \begin{figure}[htbp]
\noindent\textbf{3}\includegraphics[]{image-4.png}
\caption{\label{fig_2}Figure 3 :}\end{figure}
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\noindent\textbf{4}\includegraphics[]{image-5.png}
\caption{\label{fig_3}Figure 4 :}\end{figure}
 			\footnote{© 2020 Global Journals} 		 		\backmatter  			  				\begin{bibitemlist}{1}
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\end{document}