. "77" . . . "Influencing the Auditory Pathway in Patients with Vestibular Schwannoma Treated with Gamma Knife Radiosurgery"@en . "\u010Cesk\u00E1 a slovensk\u00E1 neurologie a neurochirurgie" . "C\u00EDl: Analyzovat prezervaci funkce sluchov\u00E9 dr\u00E1hy t\u00F3novou audiometri\u00ED a BERA u pacient\u016F s vestibul\u00E1rn\u00EDm schwannomem p\u0159ed l\u00E9\u010Dbou Leksellov\u00FDm gama no\u017Eem a po n\u00ED. Soubor a metodika: 27 pacient\u016F l\u00E9\u010Den\u00FDch v obdob\u00ED 1999-2009. Provedena t\u00F3nov\u00E1 audiometrie, jej\u00ED vyhodnocen\u00ED podle Gardner-Robertsona a BERA. V\u00FDsledky: Prezervace pou\u017Eiteln\u00E9ho sluchu po radiochirurgii byla 50 % z celkov\u00E9ho po\u010Dtu pacient\u016F se zachovan\u00FDm pou\u017Eiteln\u00FDm sluchem p\u0159ed l\u00E9\u010Dbou. Pr\u016Fm\u011Brn\u00E1 doba sledov\u00E1n\u00ED \u0161est rok\u016F. P\u0159ed l\u00E9\u010Dbou m\u011Blo pou\u017Eiteln\u00FD sluch 67 %, patologickou BERA 93 % pacient\u016F. Zhor\u0161en\u00ED sluchu bylo statisticky v\u00FDznamn\u00E9 na v\u0161ech frekvenc\u00EDch (p = 0,05). Prodlou\u017Een\u00ED latence vlny V na stran\u011B n\u00E1doru bylo statisticky v\u00FDznamn\u00E9 na obou hladin\u00E1ch 80/ 90 dB u 89 %, vlny III u 81 % a vlny I u 48 % pacient\u016F (p = 0,001). Patologick\u00FD stranov\u00FD rozd\u00EDl intervalu I-V jsme zachytili u 85 % pacient\u016F (p = 0,001) a intervalu III-V u 74 % pacient\u016F (p = 0,01). Po radiochirurgii do\u0161lo k statisticky v\u00FDznamn\u00E9 zm\u011Bn\u011B BERA na obou sledovan\u00FDch hladin\u00E1ch 80/ 90 dB pouze u vlny V (p = 0,05). Z\u00E1v\u011Br: V sou\u010Dasnosti se jev\u00ED BERA jako vysoce spolehliv\u00E1 skr\u00EDningov\u00E1 dia\u00ADgnostick\u00E1 metoda. Jej\u00ED spolehlivost 93 % p\u0159evy\u0161uje spolehlivost vestibul\u00E1rn\u00EDch test\u016F. P\u0159i hodnocen\u00ED BERA je nejd\u016Fle\u017Eit\u011Bj\u0161\u00ED komplexn\u00ED posouzen\u00ED v\u0161ech sledovan\u00FDch parametr\u016F. Pomoc\u00ED BERA i t\u00F3nov\u00E9 audiometrie lze vysledovat ovlivn\u011Bn\u00ED funkce sluchov\u00E9 dr\u00E1hy u v\u0161ech stadi\u00ED vestibul\u00E1rn\u00EDho schwannomu p\u0159ed radiochirurgi\u00ED. V monitoringu otoneurologick\u00E9ho profilu u pacient\u016F s vestibul\u00E1rn\u00EDm schwannomem l\u00E9\u010Den\u00FDch radiochirurgicky je kontroln\u00ED vy\u0161et\u0159en\u00ED t\u00F3novou audiometri\u00ED statisticky v\u00FDznamn\u00E9 a dob\u0159e hodnot\u00ED prezervaci funkce sluchov\u00E9 dr\u00E1hy po l\u00E9\u010Db\u011B, ale tak\u00E9 prokazuje signifikantn\u011B a statisticky v\u00FDznamn\u011B ztr\u00E1tu u\u017Eite\u010Dn\u00E9ho sluchu. Naproti tomu po radiochirurgii se BERA z\u00E1znam, krom\u011B latence vlny V, z\u00E1sadn\u011B statisticky nem\u011Bn\u00ED." . . . "Skutil, Jan" . "11120" . . "Kov\u00E1\u0159, Daniel" . "C\u00EDl: Analyzovat prezervaci funkce sluchov\u00E9 dr\u00E1hy t\u00F3novou audiometri\u00ED a BERA u pacient\u016F s vestibul\u00E1rn\u00EDm schwannomem p\u0159ed l\u00E9\u010Dbou Leksellov\u00FDm gama no\u017Eem a po n\u00ED. Soubor a metodika: 27 pacient\u016F l\u00E9\u010Den\u00FDch v obdob\u00ED 1999-2009. Provedena t\u00F3nov\u00E1 audiometrie, jej\u00ED vyhodnocen\u00ED podle Gardner-Robertsona a BERA. V\u00FDsledky: Prezervace pou\u017Eiteln\u00E9ho sluchu po radiochirurgii byla 50 % z celkov\u00E9ho po\u010Dtu pacient\u016F se zachovan\u00FDm pou\u017Eiteln\u00FDm sluchem p\u0159ed l\u00E9\u010Dbou. Pr\u016Fm\u011Brn\u00E1 doba sledov\u00E1n\u00ED \u0161est rok\u016F. P\u0159ed l\u00E9\u010Dbou m\u011Blo pou\u017Eiteln\u00FD sluch 67 %, patologickou BERA 93 % pacient\u016F. Zhor\u0161en\u00ED sluchu bylo statisticky v\u00FDznamn\u00E9 na v\u0161ech frekvenc\u00EDch (p = 0,05). Prodlou\u017Een\u00ED latence vlny V na stran\u011B n\u00E1doru bylo statisticky v\u00FDznamn\u00E9 na obou hladin\u00E1ch 80/ 90 dB u 89 %, vlny III u 81 % a vlny I u 48 % pacient\u016F (p = 0,001). Patologick\u00FD stranov\u00FD rozd\u00EDl intervalu I-V jsme zachytili u 85 % pacient\u016F (p = 0,001) a intervalu III-V u 74 % pacient\u016F (p = 0,01). Po radiochirurgii do\u0161lo k statisticky v\u00FDznamn\u00E9 zm\u011Bn\u011B BERA na obou sledovan\u00FDch hladin\u00E1ch 80/ 90 dB pouze u vlny V (p = 0,05). Z\u00E1v\u011Br: V sou\u010Dasnosti se jev\u00ED BERA jako vysoce spolehliv\u00E1 skr\u00EDningov\u00E1 dia\u00ADgnostick\u00E1 metoda. Jej\u00ED spolehlivost 93 % p\u0159evy\u0161uje spolehlivost vestibul\u00E1rn\u00EDch test\u016F. P\u0159i hodnocen\u00ED BERA je nejd\u016Fle\u017Eit\u011Bj\u0161\u00ED komplexn\u00ED posouzen\u00ED v\u0161ech sledovan\u00FDch parametr\u016F. Pomoc\u00ED BERA i t\u00F3nov\u00E9 audiometrie lze vysledovat ovlivn\u011Bn\u00ED funkce sluchov\u00E9 dr\u00E1hy u v\u0161ech stadi\u00ED vestibul\u00E1rn\u00EDho schwannomu p\u0159ed radiochirurgi\u00ED. V monitoringu otoneurologick\u00E9ho profilu u pacient\u016F s vestibul\u00E1rn\u00EDm schwannomem l\u00E9\u010Den\u00FDch radiochirurgicky je kontroln\u00ED vy\u0161et\u0159en\u00ED t\u00F3novou audiometri\u00ED statisticky v\u00FDznamn\u00E9 a dob\u0159e hodnot\u00ED prezervaci funkce sluchov\u00E9 dr\u00E1hy po l\u00E9\u010Db\u011B, ale tak\u00E9 prokazuje signifikantn\u011B a statisticky v\u00FDznamn\u011B ztr\u00E1tu u\u017Eite\u010Dn\u00E9ho sluchu. Naproti tomu po radiochirurgii se BERA z\u00E1znam, krom\u011B latence vlny V, z\u00E1sadn\u011B statisticky nem\u011Bn\u00ED."@cs . "Hol\u00FD, Richard" . "I, V" . . "Influencing the Auditory Pathway in Patients with Vestibular Schwannoma Treated with Gamma Knife Radiosurgery"@en . . "7"^^ . "Objectives: To evaluate preservation of the auditory pathway with pure-tone audiometry and brainstem evoked audiometry (BERA) in patients with vestibular schwannoma before and after treatment with Leksell gamma knife. Population and method: 27 patients with vestibular schwannoma treated between 1999 and 2009. Pure-tone audiometry applying Gardner-Robertson scale and BERA were recorded. Results: During the 6-year observation, 50% patients had serviceable hearing after treatment. Before treatment, 67% patients had usable hearing level, and 93% patients had pathological BERA. Hearing deterioration was statistically significant in all frequencies (p = 0.05). lpsilateral prolongations of the latency of waves V, Ill, and I were statistically significant at 80/90dB levels (p = 0,001) in 89%, 81%, and 48% patients, respectively. Interaural pathological I-V interval difference was statistically significant in 85% patients (p = 0.001), interaural III-V interval difference reached statistical significance in 74% patients (p = 0.01). After treatment, BERA detected statistically significant difference at 80/90 dB level only for the wave V (p = 0.05). Conclusion: BERA remains reliable screening diagnostic method. Its reliability of 93% exceeds reliability of vestibular tests. Comprehensive assessment of all monitored parameters is fundamental. By incorporating pure-tone audiometry and BERA before radiosurgery, we can reliably detect whether the function of the auditory pathway is affected in patients with vestibular schwannoma of all degrees. Follow-up pure-tone audiometry is statistically significant in patients with vestibular schwannoma after gamma-knife procedure and reliably assesses preservation of the auditory pathway as well as it demonstrates distinct and statistically significant loss of serviceable hearing. Conversely, BERA remains statistically unchanged except for latency of wave V."@en . "Fundov\u00E1, Petra" . . "5"^^ . "Ovlivn\u011Bn\u00ED funkce sluchov\u00E9 dr\u00E1hy u pacient\u016F s vestibul\u00E1rn\u00EDm schwannomem l\u00E9\u010Den\u00FDch Leksellov\u00FDm gama no\u017Eem"@cs . "Ovlivn\u011Bn\u00ED funkce sluchov\u00E9 dr\u00E1hy u pacient\u016F s vestibul\u00E1rn\u00EDm schwannomem l\u00E9\u010Den\u00FDch Leksellov\u00FDm gama no\u017Eem"@cs . . "2" . "Ovlivn\u011Bn\u00ED funkce sluchov\u00E9 dr\u00E1hy u pacient\u016F s vestibul\u00E1rn\u00EDm schwannomem l\u00E9\u010Den\u00FDch Leksellov\u00FDm gama no\u017Eem" . . . "35509" . . "6"^^ . "Hahn, Ale\u0161" . "CZ - \u010Cesk\u00E1 republika" . "000333662100013" . . . "RIV/00216208:11120/14:43908423!RIV15-MSM-11120___" . . . "Ovlivn\u011Bn\u00ED funkce sluchov\u00E9 dr\u00E1hy u pacient\u016F s vestibul\u00E1rn\u00EDm schwannomem l\u00E9\u010Den\u00FDch Leksellov\u00FDm gama no\u017Eem" . "RIV/00216208:11120/14:43908423" . "[EEB89662919B]" . . . . "1210-7859" . "vestibular schwannoma; acoustic evoked brain stem potential; pure-tone audiometry; gamma knife radiosurgery"@en .