The efficacy of extended Draf IIb procedure by partial nasal septectomy: long-term follow up

Abstract

Draf IIb procedure is mostly used in a very narrow frontal recess and in a revision frontal sinus surgery. In most cases, the contralateral sinus is not involved. In order to avoid Draf III procedure's reported disadvantages we have commenced the use of the extended Draf IIb procedures in our center. Patients treated with extended Draf IIb procedure at our center between the years 1997 and 2012 were retrospectively evaluated. This procedure includes further widening of the frontal ostium and recces by excising the adjacent most superior nasal septum. Included in our study were patients who have failed previous Draf IIb procedure or had a small and narrow frontal sinus. Collected data included demographics, prior sinus pathology, previous surgical treatment, surgical complications and further treatment if required. All were evaluated by the SNOT-22 questioner pre and post-operatively and all were endoscopically evaluated during the follow up period. 15 patients and 18 frontal sinuses were included in our study, eight males and seven females with a mean age of 50.3 years. The mean pre-operative SNOT-22 fell from 46 to 24 and all patients improved clinically. No surgical complications were reported except for one case of postoperative maxillary sinusitis. Only one patient required further surgical intervention. In most cases the patients had a patent frontal sinus ostium after a follow up of 3–8 years. Extended Draf IIb procedure is less traumatic, safe and effective in the treatment of persistent frontal sinus disease, without surgically involving the healthy contralateral frontal sinus, and may obviate the need for Draf III procedure.

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