Patricia Martínez1, Fernando López2, Justo Ramón Gómez2. 1. Servicio de Otorrinolaringología, Hospital Universitario Central de Asturias, Oviedo, Asturias, España. Electronic address: p5martinezg@gmail.com. 2. Servicio de Otorrinolaringología, Hospital Universitario Central de Asturias, Oviedo, Asturias, España.
Abstract
INTRODUCTION AND OBJECTIVES: The standard surgical technique for osseointegrated hearing aids involves removing a large area of subcutaneous tissue down to the periosteum. Recently, the industry has designed a new range of abutment lengths for less invasive surgery with soft tissue preservation. This study compared and evaluated the complications in the standard and the tissue preservation techniques. MATERIAL AND METHODS: This was a prospective study including 29 adult patients that underwent single-stage osseointegrated hearing aids insertion between February 2009 and February 2013. We performed the standard technique in 14 patients, and the tissue preservation technique in 15. Soft tissue complications were graded according to the Holgers classification. RESULTS: No patient required removal of implant or revision surgery. Although the Holgers grade was always worse in the standard technique (reaction score of 3 or higher was 28% versus 7% at a month), the complication rate was not statistically significant between the 2 groups at any postoperative time a week (p=0.233), a month (p=0.470) and a year (p=0.401). CONCLUSION: In our experience the tissue preservation technique, without soft tissue reduction, is the procedure of choice for bone anchored implant surgery. The preservation technique is easier, faster and possible with local anaesthesia and has similar postoperative outcomes.
INTRODUCTION AND OBJECTIVES: The standard surgical technique for osseointegrated hearing aids involves removing a large area of subcutaneous tissue down to the periosteum. Recently, the industry has designed a new range of abutment lengths for less invasive surgery with soft tissue preservation. This study compared and evaluated the complications in the standard and the tissue preservation techniques. MATERIAL AND METHODS: This was a prospective study including 29 adult patients that underwent single-stage osseointegrated hearing aids insertion between February 2009 and February 2013. We performed the standard technique in 14 patients, and the tissue preservation technique in 15. Soft tissue complications were graded according to the Holgers classification. RESULTS: No patient required removal of implant or revision surgery. Although the Holgers grade was always worse in the standard technique (reaction score of 3 or higher was 28% versus 7% at a month), the complication rate was not statistically significant between the 2 groups at any postoperative time a week (p=0.233), a month (p=0.470) and a year (p=0.401). CONCLUSION: In our experience the tissue preservation technique, without soft tissue reduction, is the procedure of choice for bone anchored implant surgery. The preservation technique is easier, faster and possible with local anaesthesia and has similar postoperative outcomes.
Authors: F DI Giustino; P Vannucchi; R Pecci; A Mengucci; R Santimone; B Giannoni Journal: Acta Otorhinolaryngol Ital Date: 2018-06 Impact factor: 2.124
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