Challenges During Baha Surgery: Our Experience

Abstract

Baha has proven performance and advantages for patients with aural atresia or chronic ear drainage. Being a per cutaneous osseo integrated implant the skin around the fixture is in contact with a foreign body that leads to chronic inflammatory reaction and complications such as skin irritation and overgrowth occur frequently. Challenges that are faced during Baha surgery include those during candidate selection, work up, anesthesia related as well as intra-operative and post operative complications. Ours was a retrospective and observational study where case records of 10 patients who underwent Baha surgery in the Department of E.N.T during the time period from January 2010 to June 2013 were reviewed. Here, the candidates were advised Baha either for congenital external ear deformity or single sided deafness. Out of 10 patients, who underwent Baha implantation, 8 underwent single staged Baha implant and two patients had two staged implant owing to bone thickness <3 mm behind temporo-parietal suture line on HRCT Temporal bone. The complications observed were skin infection (Holgers grade 2) around the site of implant in two patients, skin overgrowth due to more thickness of scalp (Holgers grade 4) in one of the patient. The patient had to undergo revision surgery to replace the abutment. And one of the patients underwent failure of osseointegration and was re-implanted later. Proper surgical technique and post operative wound care play an important role in avoiding complications.

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