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Comparison between Fluoroplastic and Platinum/Titanium Piston in Stapedotomy: A Prospective, Randomized Clinical
Mohammad Faramarzi1, Sareh Roosta1, Niloofar Daneshian1
1Otolaryngology Research Center, Department of Otolaryngology, Shiraz University of Medical Sciences, Shiraz, Iran
The Journal of International Advanced Otology
|August 14, 2020
Summary
The Causse Loop Piston showed better hearing improvements at low frequencies and speech reception compared to the Big Easy Piston in stapedotomy patients with otosclerosis.
Area of Science:
- Otolaryngology
- Neurosurgery
- Biomedical Engineering
Background:
- Otosclerosis is a condition causing abnormal bone growth in the middle ear, often leading to hearing loss.
- Stapedotomy is a surgical procedure to restore hearing by replacing the stapes bone.
- Piston prostheses are commonly used in stapedotomy to reconnect the incus to the oval window.
Purpose of the Study:
- To compare the hearing outcomes of the fluoroplastic Causse Loop Piston and the platinum/titanium Big Easy Piston.
- To evaluate the efficacy of two different stapedotomy piston prostheses in patients with otosclerosis.
Main Methods:
- A prospective randomized clinical trial was conducted.
- 76 ears received the Causse Loop Piston, and 72 ears received the Big Easy Piston.
- Preoperative and postoperative pure tone audiometry and air-bone gap (ABG) were the primary outcome measures.
Main Results:
- Both prostheses achieved similar short-term postoperative air-bone gap closure.
- The Causse Loop Piston demonstrated a significant improvement in air conduction (AC) at low frequencies (250, 500, 1,000 Hz).
- Patients receiving the Causse Loop Piston showed significantly better speech reception threshold (SRT) improvement.
Conclusions:
- Both Causse Loop Piston and Big Easy Piston offer comparable short-term ABG closure after stapedotomy for otosclerosis.
- The Causse Loop Piston provides superior AC gain at low frequencies and enhanced SRT.
- The Causse Loop Piston may be a preferred choice for patients undergoing stapedotomy due to otosclerosis, particularly for low-frequency hearing and speech understanding.
