Endoscopy Guided Eustachian Tube Balloon Dilation: Our Experiences

Document Type : Original


1 Department of Otorhinolaryngology, IMS and SUM Hospital, Siksha “O” Anusandhan University (Deemed to be), K8, Kalinga Nagar, Bhubaneswar-751003, Odisha, India.

2 Kerala ENT Research Foundation, Kollam, Kerala, India.

3 Medical Research Laboratory, IMS and SUM Hospital, Siksha “O” Anusandhan University (Deemed to be), K8, Kalinga Nagar, Bhubaneswar-751003, Odisha, India.


Eustachian tube (ET) dysfunction is a common clinical entity but its treatment is still challenging to Otorhinolaryngologists. This study is done to know the effectiveness of transnasal endoscopic balloon dilatation of eustachian tube for treatment of chronic eustachian tube dysfunction.
Materials and Methods:
It is a retrospective observational study conducted between May 2018 to June 2019 at IMS and SUM Hospital, Siksha 'O' Anusandhan University, Bhubaneswar, Odisha, India. Twenty one patients were identified with diagnosis of ET dysfunction and assigned to this study. The transnasal endoscopic procedure was done to dilate the cartilaginous part of the eustachian tube with a balloon catheter. Preoperative computed tomography was done in all cases. All patients were post-operatively assessed in 1st, 2nd and 8th weeks after the procedure.
Balloon dilatation of the eustachian tube was easily performed in all cases of this study. No abnormality including carotid canal was seen before this procedure. All except 2 cases revealed significant improvement in the ET functions. There was no damage to any vital structures like internal carotid artery in this study.
The majority of the patients participated in this study showed positive outcome after balloon dilation of eustachian tube. It is a feasible and safe procedure for dilating the eustachian tube. This treatment is a very promising and requires more research on this aspect.


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