Titanium middle ear prostheses in staged ossiculoplasty: does mass really matter?
Abstract Objectives Several articles have demonstrated the efficacy of titanium middle ear prostheses. Our study compares the results of 2 brands of titanium implants that differ in design and weight to assess potential benefit of one over the other. The purpose of this study was to investigate the...
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| Veröffentlicht in: | American journal of otolaryngology 2007-05, Vol.28 (3), p.164-167 |
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| creator | Hales, Nathan W., MD Shakir, Faiz A., BS Saunders, James E., MD, FACS |
| description | Abstract Objectives Several articles have demonstrated the efficacy of titanium middle ear prostheses. Our study compares the results of 2 brands of titanium implants that differ in design and weight to assess potential benefit of one over the other. The purpose of this study was to investigate the relationship of prostheses mass based on the stiffness vs mass curve of acoustic transfer between 2 different brands of titanium implants. Study design A retrospective study was done for this article. Methods A chart review was conducted including the postoperative results, complications, and audiometric data for 34 patients with titanium middle ear implants (21 Tuebingen VARIO prostheses [Kurz Co, DuBlingen, Germany] and 13 Micron Monolithic prostheses [Gyrus ENT, Bartlett, TN]) with an average follow-up of 19 months. Both total and partial prostheses were included. Average postoperative air-bone gap (ABG) and average improvement in ABG was compared between the groups. Results There was a considerable variability in the postoperative results with both implants. Both the Kurz prostheses (group A) and the Gyrus prostheses (group B) demonstrated an average postoperative ABG of less than 25 dB (23.2 and 21.3 dB). There was no significant difference between the groups. Both groups also demonstrated an improvement in average ABG (preoperative minus postoperative ABG), 9.6 and 11.2 dB. There was no significant difference between the 2 prosthesis types in the frequency-specific ABG (500, 1000, 2000, and 4000 Hz). Both groups demonstrated maximal resonant frequency at 2000 Hz. The extrusion rates (5% and 8%) were comparable between the groups. Conclusion Factors other than the prosthesis design (eg, surgical technique, fibrosis, retraction, and cholesteatoma) primarily determine hearing results after staged ossiculoplasty. The differences we noted in frequency-specific hearing improvement do not demonstrate that the mass of the prostheses plays a significant role in outcome. |
| doi_str_mv | 10.1016/j.amjoto.2006.08.005 |
| format | Article |
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Our study compares the results of 2 brands of titanium implants that differ in design and weight to assess potential benefit of one over the other. The purpose of this study was to investigate the relationship of prostheses mass based on the stiffness vs mass curve of acoustic transfer between 2 different brands of titanium implants. Study design A retrospective study was done for this article. Methods A chart review was conducted including the postoperative results, complications, and audiometric data for 34 patients with titanium middle ear implants (21 Tuebingen VARIO prostheses [Kurz Co, DuBlingen, Germany] and 13 Micron Monolithic prostheses [Gyrus ENT, Bartlett, TN]) with an average follow-up of 19 months. Both total and partial prostheses were included. Average postoperative air-bone gap (ABG) and average improvement in ABG was compared between the groups. Results There was a considerable variability in the postoperative results with both implants. Both the Kurz prostheses (group A) and the Gyrus prostheses (group B) demonstrated an average postoperative ABG of less than 25 dB (23.2 and 21.3 dB). There was no significant difference between the groups. Both groups also demonstrated an improvement in average ABG (preoperative minus postoperative ABG), 9.6 and 11.2 dB. There was no significant difference between the 2 prosthesis types in the frequency-specific ABG (500, 1000, 2000, and 4000 Hz). Both groups demonstrated maximal resonant frequency at 2000 Hz. The extrusion rates (5% and 8%) were comparable between the groups. Conclusion Factors other than the prosthesis design (eg, surgical technique, fibrosis, retraction, and cholesteatoma) primarily determine hearing results after staged ossiculoplasty. The differences we noted in frequency-specific hearing improvement do not demonstrate that the mass of the prostheses plays a significant role in outcome.</description><identifier>ISSN: 0196-0709</identifier><identifier>EISSN: 1532-818X</identifier><identifier>DOI: 10.1016/j.amjoto.2006.08.005</identifier><identifier>PMID: 17499131</identifier><identifier>CODEN: AJOTDP</identifier><language>eng</language><publisher>New York, NY: Elsevier Inc</publisher><subject>Adolescent ; Adult ; Biocompatible Materials - therapeutic use ; Biological and medical sciences ; Child ; Child, Preschool ; Female ; Hearing Disorders - diagnosis ; Humans ; Male ; Medical sciences ; Middle Aged ; Orthopedic surgery ; Ossicular Prosthesis ; Ossicular Replacement - instrumentation ; Otolaryngology ; Otorhinolaryngology. Stomatology ; Postoperative Complications - epidemiology ; Prosthesis Design ; Retrospective Studies ; Severity of Illness Index ; Surgery ; Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases ; Titanium - therapeutic use</subject><ispartof>American journal of otolaryngology, 2007-05, Vol.28 (3), p.164-167</ispartof><rights>Elsevier Inc.</rights><rights>2007 Elsevier Inc.</rights><rights>2007 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c473t-d53bb319c722bf93d63472c5c0e65f8d0f04b34d9ea9da6a4702abcbcc9edaf23</citedby><cites>FETCH-LOGICAL-c473t-d53bb319c722bf93d63472c5c0e65f8d0f04b34d9ea9da6a4702abcbcc9edaf23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0196070906001700$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=19187346$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/17499131$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Hales, Nathan W., MD</creatorcontrib><creatorcontrib>Shakir, Faiz A., BS</creatorcontrib><creatorcontrib>Saunders, James E., MD, FACS</creatorcontrib><title>Titanium middle ear prostheses in staged ossiculoplasty: does mass really matter?</title><title>American journal of otolaryngology</title><addtitle>Am J Otolaryngol</addtitle><description>Abstract Objectives Several articles have demonstrated the efficacy of titanium middle ear prostheses. Our study compares the results of 2 brands of titanium implants that differ in design and weight to assess potential benefit of one over the other. The purpose of this study was to investigate the relationship of prostheses mass based on the stiffness vs mass curve of acoustic transfer between 2 different brands of titanium implants. Study design A retrospective study was done for this article. Methods A chart review was conducted including the postoperative results, complications, and audiometric data for 34 patients with titanium middle ear implants (21 Tuebingen VARIO prostheses [Kurz Co, DuBlingen, Germany] and 13 Micron Monolithic prostheses [Gyrus ENT, Bartlett, TN]) with an average follow-up of 19 months. Both total and partial prostheses were included. Average postoperative air-bone gap (ABG) and average improvement in ABG was compared between the groups. Results There was a considerable variability in the postoperative results with both implants. Both the Kurz prostheses (group A) and the Gyrus prostheses (group B) demonstrated an average postoperative ABG of less than 25 dB (23.2 and 21.3 dB). There was no significant difference between the groups. Both groups also demonstrated an improvement in average ABG (preoperative minus postoperative ABG), 9.6 and 11.2 dB. There was no significant difference between the 2 prosthesis types in the frequency-specific ABG (500, 1000, 2000, and 4000 Hz). Both groups demonstrated maximal resonant frequency at 2000 Hz. The extrusion rates (5% and 8%) were comparable between the groups. Conclusion Factors other than the prosthesis design (eg, surgical technique, fibrosis, retraction, and cholesteatoma) primarily determine hearing results after staged ossiculoplasty. The differences we noted in frequency-specific hearing improvement do not demonstrate that the mass of the prostheses plays a significant role in outcome.</description><subject>Adolescent</subject><subject>Adult</subject><subject>Biocompatible Materials - therapeutic use</subject><subject>Biological and medical sciences</subject><subject>Child</subject><subject>Child, Preschool</subject><subject>Female</subject><subject>Hearing Disorders - diagnosis</subject><subject>Humans</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Orthopedic surgery</subject><subject>Ossicular Prosthesis</subject><subject>Ossicular Replacement - instrumentation</subject><subject>Otolaryngology</subject><subject>Otorhinolaryngology. Stomatology</subject><subject>Postoperative Complications - epidemiology</subject><subject>Prosthesis Design</subject><subject>Retrospective Studies</subject><subject>Severity of Illness Index</subject><subject>Surgery</subject><subject>Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases</subject><subject>Titanium - therapeutic use</subject><issn>0196-0709</issn><issn>1532-818X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkt2L1DAUxYso7uzqfyBSEPet9aZJm8YHRRa_YEHEFXwLaXKrqf0Yc1Nh_ntTZmBgX3xKIL97cu7hZNkzBiUD1rwaSjMNS1zKCqApoS0B6gfZjtW8KlrW_niY7YCppgAJ6iK7JBoAgAteP84umBRKMc522dc7H83s1ymfvHMj5mhCvg8LxV9ISLmfc4rmJ7p8IfJ2HZf9aCgeXuduSc-TIcoDmnE8pHuMGN4-yR71ZiR8ejqvsu8f3t_dfCpuv3z8fPPutrBC8li4mncdZ8rKqup6xV3DhaxsbQGbum8d9CA6LpxCo5xpjJBQmc521ip0pq_4VXZ91E1u_6xIUU-eLI6jmXFZSUsQSsq6SeCLe-CwrGFO3jQDzioBSvBEiSNl0_IUsNf74CcTDgnSW-B60MfA9Ra4hlanwNPY85P42k3ozkOnhBPw8gQYsmbsg5mtpzOnWCu52Fy-OXKYMvvrMWiyHmeLzge0UbvF_8_JfQE7-tmnP3_jAem8s6ZKg_62lWPrBjQATKZq_AO7B7YF</recordid><startdate>20070501</startdate><enddate>20070501</enddate><creator>Hales, Nathan W., MD</creator><creator>Shakir, Faiz A., BS</creator><creator>Saunders, James E., MD, FACS</creator><general>Elsevier Inc</general><general>Elsevier</general><general>Elsevier Limited</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>7QR</scope><scope>7TK</scope><scope>8FD</scope><scope>FR3</scope><scope>K9.</scope><scope>NAPCQ</scope><scope>P64</scope><scope>7X8</scope><scope>8BM</scope></search><sort><creationdate>20070501</creationdate><title>Titanium middle ear prostheses in staged ossiculoplasty: does mass really matter?</title><author>Hales, Nathan W., MD ; Shakir, Faiz A., BS ; Saunders, James E., MD, FACS</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c473t-d53bb319c722bf93d63472c5c0e65f8d0f04b34d9ea9da6a4702abcbcc9edaf23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Adolescent</topic><topic>Adult</topic><topic>Biocompatible Materials - therapeutic use</topic><topic>Biological and medical sciences</topic><topic>Child</topic><topic>Child, Preschool</topic><topic>Female</topic><topic>Hearing Disorders - diagnosis</topic><topic>Humans</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Orthopedic surgery</topic><topic>Ossicular Prosthesis</topic><topic>Ossicular Replacement - instrumentation</topic><topic>Otolaryngology</topic><topic>Otorhinolaryngology. Stomatology</topic><topic>Postoperative Complications - epidemiology</topic><topic>Prosthesis Design</topic><topic>Retrospective Studies</topic><topic>Severity of Illness Index</topic><topic>Surgery</topic><topic>Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases</topic><topic>Titanium - therapeutic use</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hales, Nathan W., MD</creatorcontrib><creatorcontrib>Shakir, Faiz A., BS</creatorcontrib><creatorcontrib>Saunders, James E., MD, FACS</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Chemoreception Abstracts</collection><collection>Neurosciences Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Nursing & Allied Health Premium</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><collection>ComDisDome</collection><jtitle>American journal of otolaryngology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hales, Nathan W., MD</au><au>Shakir, Faiz A., BS</au><au>Saunders, James E., MD, FACS</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Titanium middle ear prostheses in staged ossiculoplasty: does mass really matter?</atitle><jtitle>American journal of otolaryngology</jtitle><addtitle>Am J Otolaryngol</addtitle><date>2007-05-01</date><risdate>2007</risdate><volume>28</volume><issue>3</issue><spage>164</spage><epage>167</epage><pages>164-167</pages><issn>0196-0709</issn><eissn>1532-818X</eissn><coden>AJOTDP</coden><abstract>Abstract Objectives Several articles have demonstrated the efficacy of titanium middle ear prostheses. Our study compares the results of 2 brands of titanium implants that differ in design and weight to assess potential benefit of one over the other. The purpose of this study was to investigate the relationship of prostheses mass based on the stiffness vs mass curve of acoustic transfer between 2 different brands of titanium implants. Study design A retrospective study was done for this article. Methods A chart review was conducted including the postoperative results, complications, and audiometric data for 34 patients with titanium middle ear implants (21 Tuebingen VARIO prostheses [Kurz Co, DuBlingen, Germany] and 13 Micron Monolithic prostheses [Gyrus ENT, Bartlett, TN]) with an average follow-up of 19 months. Both total and partial prostheses were included. Average postoperative air-bone gap (ABG) and average improvement in ABG was compared between the groups. Results There was a considerable variability in the postoperative results with both implants. Both the Kurz prostheses (group A) and the Gyrus prostheses (group B) demonstrated an average postoperative ABG of less than 25 dB (23.2 and 21.3 dB). There was no significant difference between the groups. Both groups also demonstrated an improvement in average ABG (preoperative minus postoperative ABG), 9.6 and 11.2 dB. There was no significant difference between the 2 prosthesis types in the frequency-specific ABG (500, 1000, 2000, and 4000 Hz). Both groups demonstrated maximal resonant frequency at 2000 Hz. The extrusion rates (5% and 8%) were comparable between the groups. Conclusion Factors other than the prosthesis design (eg, surgical technique, fibrosis, retraction, and cholesteatoma) primarily determine hearing results after staged ossiculoplasty. The differences we noted in frequency-specific hearing improvement do not demonstrate that the mass of the prostheses plays a significant role in outcome.</abstract><cop>New York, NY</cop><pub>Elsevier Inc</pub><pmid>17499131</pmid><doi>10.1016/j.amjoto.2006.08.005</doi><tpages>4</tpages></addata></record> |
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| ispartof | American journal of otolaryngology, 2007-05, Vol.28 (3), p.164-167 |
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| subjects | Adolescent Adult Biocompatible Materials - therapeutic use Biological and medical sciences Child Child, Preschool Female Hearing Disorders - diagnosis Humans Male Medical sciences Middle Aged Orthopedic surgery Ossicular Prosthesis Ossicular Replacement - instrumentation Otolaryngology Otorhinolaryngology. Stomatology Postoperative Complications - epidemiology Prosthesis Design Retrospective Studies Severity of Illness Index Surgery Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases Titanium - therapeutic use |
| title | Titanium middle ear prostheses in staged ossiculoplasty: does mass really matter? |
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