Surgery performed by Dr. Neil Sperling
La Complete revision stapedectomy surgery with cartilage can be seen in the app SurgSchool, online surgical training platformThe procedure was performed by the Dr. Neil Sperling, a leading otologist specializing in middle ear surgery, belonging to Northwell Health (New York City).
Introduction and clinical context
Revision stapedectomy represents one of the most demanding scenarios in otologic surgery. In this case, Dr. Neil Sperling addresses a persistent conductive hearing loss ten years after the primary surgery and after three previous revision surgeriesThis situation significantly increases the technical complexity and the risk of complications.
The underlying pathology combines two critical factors: prosthesis displaced posteriorly to the oval window y Residual otosclerosis anterior to the oval window, along with a tympanic retraction adhered to the incusThese conditions justify the surgical indication, given the sustained functional failure and the clear anatomical evidence of a correctable mechanical cause.
La revision stapedectomy Surgery is indicated over conservative alternatives when there is a significant air-bone gap, a clearly dysfunctional prosthesis, and a potentially usable ossicular chain. In this context, surgery offers better functional prospects than isolated augmentation, provided that strict selection criteria are met.
Preoperative planning
Treatment planning begins with detailed pure-tone and speech audiometry, confirming the conductive nature of the hearing loss. High-resolution computed tomography of the temporal bone is key to identifying:
- Exact position of the previous prosthesis
- Degree and location of otosclerosis
- Integrity of the anvil and its lenticular process
- Anatomy of the oval window and risk of obliteration
From an anatomical perspective, the presence of a retracted tympanic membrane influences the reconstructive strategy, making preventive tympanic membrane reinforcement advisable. Patient selection is especially critical in multiple revision surgeries, where anatomical stability and neurosensory safety must be prioritized over marginal hearing gain.
Description of the surgical approach
The approach is transcanal microscopicThis approach is standard in stapedectomy, but with technical modifications specific to revision surgery. It allows for precise visual control of the oval window and ossicular chain, minimizing additional trauma.
The main advantage is the direct and controlled exposure; the disadvantage is the lower tolerance for error in a previously operated ear, with altered planes and greater fragility of the structures.
Key surgical steps
El Dr. Neil Sperling The surgery begins with the careful release of the retracted tympanic membrane, clearly separating it from the incus and the displaced prosthesis. This step is critical to avoid injury to the lenticular process or tympanic tears.
La complete removal of the previous prosthesis It allows for the evaluation of the actual condition of the oval window. Subsequently, it reopens the fenestration using a laserA key decision in revision surgery is to reduce the transmission of vibrations to the inner ear and minimize the risk of vertigo or deafness. Final adjustment with 0,7 mm diamond bur ensures a stable and precise hole.
The sealing of the oval window is done by vein graft, placed with the adventitial surface downwardsThe progressive hydration of the graft improves its shape, guaranteeing an effective and flexible seal, especially important in re-operated ears.
Following intraoperative measurement, a crimpable bucket prosthesiswhich is inserted into the fenestration and carefully positioned under the lenticular process of the anvil. Crimping is performed only once the correct position has been confirmed.minimizing the risk of anvil necrosis or prosthetic instability. Visualization of the reflection of the round window Gentle palpation confirms proper mechanical transmission.
As a final, differentiating step, a thin cartilage graft to reinforce the posterosuperior quadrant of the tympanic membrane. This is placed lateral to the incus and reflects onto the wall of the external auditory canal, with the clear objective of prevent further tympanic retractions, a frequent cause of late failure in revision stapedectomies.
Critical points and risks
The structures at greatest risk include the lenticular process of the incus, the stapes footplate, and the inner ear. The main potential complications are sensorineural hearing loss, prolonged vertigo, and prosthetic re-dislocation.
Prevention is based on minimal handling, use of lasers in fenestration, and careful sealing of the oval window.
Surgical tips & pearls
In revision surgery, the control of the retracted tympanic membrane It is as important as correct prosthetic placement. Cartilage reinforcement should not be considered optional in cases with clear risk factors. Furthermore, delayed and controlled crimping reduces mechanical complications.
Frequent errors
One of the most common mistakes is underestimating the associated tympanic pathology and simply replacing the prosthesis. This leads to early recurrence. Another mistake is over-manipulating the oval window, increasing the risk of sensorineural hearing loss.
Results and postoperative considerations
In expert hands, revision stapedectomy can achieve satisfactory closure of the air-bone gap, although with more modest expectations than with primary surgery. Audiometric follow-up should be prolonged, and reintervention is only considered in cases of clear and progressive functional decline.
For whom is this surgery especially useful?
This procedure is of particular interest to advanced ENT residents, junior attending physicians with a focus on otology y expert surgeons who wish to optimize results in complex revision stapedectomies.
