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.. Although no differences were observed in the hearing improvement after stapedectomy up to the first postoperative audiogram in terms of SDS, PTA, and mean ABG, there GSI-IX was a significantly negative evolution of the SDS after the second postoperative hearing evaluation in the surgical revision group (P = 0.045). In order to answer the question of whether ��standard-length�� prosthesis would produce better postoperative audiometric results, we evaluated the effect of different lengths employed in our case series to the postoperative audiogram results between primary and revision surgeries. All procedures performed by multiple surgeons were included and divided solely based on whether a primary procedure or a revision surgery was done. No correlation was observed when evaluating the effect of prosthesis length on postoperative audiometric results between primary and revision surgeries. Intra-operative prosthesis measurement��revision operations Prosthesis length Data regarding the length of the previous prosthesis used in patients NK cell requiring revision surgeries was available only for 34 patients. This was due to the fact that some patients had their primary operation done at an outside center for which the operative notes were not available. Changes in prosthesis length between primary and revision surgeries occurred in 73.5% of these cases. Sixteen patients (47.1%) required a longer prosthesis and nine (26.5%) patients required a shorter prosthesis at revision, whereas similar length prosthesis was utilized in nine (26.5%) patients. When prostheses of different lengths were employed, the average change in length was 0.55 mm at revision (range ?2.25 to +1.0 mm). The ?2.25 mm change in length was seen in one patient, who, after having 5-mm prosthesis inserted at the primary operation, presented with postoperative vertigo. At the revision surgery, the new prosthesis length was measured as 2.75 mm. A subsequent analysis was completed to evaluate the prosthesis length in cases where accurate intra-operative prosthesis measurements http://www.selleckchem.com/products/Gefitinib.html were made and compared to the lack thereof. Initial results demonstrated a significant difference in the actual prosthesis length employed between these groups (P