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  1. Article: General history of stapedectomy.

    Häusler, Rudolf

    Advances in oto-rhino-laryngology

    2005  Volume 65, Page(s) 1–5

    Abstract: The article gives an overview of the historical development of stapedectomy beginning with Kessel in 1876. Then, from the beginning to the middle of the 20th century, surgery on the oval window became obsolete, opening the way for an era of fenestration ... ...

    Abstract The article gives an overview of the historical development of stapedectomy beginning with Kessel in 1876. Then, from the beginning to the middle of the 20th century, surgery on the oval window became obsolete, opening the way for an era of fenestration operations until Shea in 1956 performed the first modern stapedectomy using a Teflon stapes replacement prosthesis. Since then, numerous surgeons worldwide have used this procedure with great success. Many of them have contributed towards progressively refining the surgical techniques, e.g. by changing the total removal of the footplate for the less traumatic small fenestra stapedectomy or stapedotomy.
    MeSH term(s) Europe ; History, 19th Century ; History, 20th Century ; Humans ; Ossicular Prosthesis/history ; Otosclerosis/history ; Stapes Surgery/history ; United States
    Language English
    Publishing date 2005-07-28
    Publishing country Switzerland
    Document type Historical Article ; Journal Article
    ISSN 0065-3071
    ISSN 0065-3071
    DOI 10.1159/000098661
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Revision stapedectomy: an analysis of 201 operations.

    Schmid, Philipp / Häusler, Rudolf

    Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology

    2009  Volume 30, Issue 8, Page(s) 1092–1100

    Abstract: Introduction: Recurrent or persistent conductive hearing impairment as well as vertigo or tinnitus after a stapes operation can be treated by means of stapes revision surgery. We analyzed stapes revisions performed during the last 15 years at our ... ...

    Abstract Introduction: Recurrent or persistent conductive hearing impairment as well as vertigo or tinnitus after a stapes operation can be treated by means of stapes revision surgery. We analyzed stapes revisions performed during the last 15 years at our institution. The aim was to ascertain the causes that led to the failure, to analyze the postrevision results, and to compare them with data from the literature.
    Materials and methods: This retrospective study analyzes 201 stapes revisions performed in 175 patients between 1992 and 2006. The indications, intraoperative findings, and surgical techniques were analyzed. Functional results were evaluated by means of hearing tests before and after surgery (1-15 yr). Revisions were mainly performed by the transcanal approach through the fixed speculum under local anesthesia using the fiber-optic argon laser and the Skeeter microdrill.
    Results: Indications for revision in 172 operations included lack of hearing improvement or recurrent conductive hearing loss. Six patients additionally had symptoms of vertigo. Sixteen patients experienced isolated vertigo despite improved hearing, 1 patient experienced intolerable tinnitus, and in 6 patients, the indication was deafness after stapedotomy.The most common intraoperative observations were prosthesis lateralization (53%), partial or total incus necrosis (33%), reossification of the footplate (31%), and loosening of the loop on the incus (9%). Hearing improved postoperatively in 88% of the patients. In 55% of the patients, there was a residual air-bone gap of 10 dB or less, and in 84%, the gap was 20 dB or less.
    Discussion: Stapes revisions are more challenging procedures with less perfect results compared with primary operations. Nevertheless, a postoperative hearing improvement was achieved in 88% of our patients. Modern techniques, such as the laser and microdrill, demonstrate their full usefulness.
    MeSH term(s) Adolescent ; Adult ; Aged ; Cochlear Implants ; Female ; Granuloma/surgery ; Hearing Loss, Conductive/epidemiology ; Humans ; Intraoperative Period ; Male ; Middle Aged ; Necrosis ; Postoperative Complications/epidemiology ; Postoperative Complications/surgery ; Prosthesis Failure ; Recurrence ; Reoperation/statistics & numerical data ; Retrospective Studies ; Stapes Surgery/statistics & numerical data ; Tinnitus/epidemiology ; Treatment Failure ; Treatment Outcome ; Vertigo/epidemiology ; Young Adult
    Language English
    Publishing date 2009-12
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2036790-9
    ISSN 1537-4505 ; 1531-7129
    ISSN (online) 1537-4505
    ISSN 1531-7129
    DOI 10.1097/MAO.0b013e3181b4ecb2
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Book: Grundlagen des Strahlenschutzes in der Land- und Ernährungswirtschaft

    Häusler, Rudolf / Zerbe, Leo

    ein Leitfaden für Führungs-, Lehr- und Beratungskräfte

    1970  

    Author's details Rudolf Häusler. Bearb. Leo Zerbe
    Size 84 S. ; 8-o
    Edition 2., erw. Aufl.
    Publisher AID
    Publishing place Bad Godesberg
    Document type Book
    HBZ-ID HT008897823
    Database Catalogue ZB MED Nutrition, Environment, Agriculture

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  4. Article ; Online: External auditory canal cholesteatoma: reassessment of and amendments to its categorization, pathogenesis, and treatment in 34 patients.

    Dubach, Patrick / Häusler, Rudolf

    Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology

    2008  Volume 29, Issue 7, Page(s) 941–948

    Abstract: Objective: External auditory canal cholesteatoma (EACC) is a rarity. Although there have been numerous case reports, there are only few systematic analyses of case series, and the pathogenesis of idiopathic EACC remains enigmatic.: Study design: In a ...

    Abstract Objective: External auditory canal cholesteatoma (EACC) is a rarity. Although there have been numerous case reports, there are only few systematic analyses of case series, and the pathogenesis of idiopathic EACC remains enigmatic.
    Study design: In a tertiary referral center for a population of 1.5 million inhabitants, 34 patients with 35 EACC (13 idiopathic [1 bilateral] and 22 secondary) who were treated between 1994 and 2006 were included in the study.
    Results: EACC cardinal symptoms were longstanding otorrhea (65%) and dull otalgia (12%). Focal bone destruction in the external auditory canal with retained squamous debris and an intact tympanic membrane were characteristic. Only 27% of the patients showed conductive hearing loss exceeding 20 dB. Patients with idiopathic EACC had lesions typically located on the floor of the external auditory canal and were older, and the mean smoking intensity was also greater (p < 0.05) compared with patients with secondary EACC. The secondary lesions were assigned to categories (poststenotic [n = 6], postoperative [n = 6], and posttraumatic EACC [n = 4]) and rare categories (radiogenic [n = 2], postinflammatory [n = 1], and postobstructive EACC [n = 1]). In addition, we describe 2 patients with EACC secondary to the complete remission of a Langerhans cell histiocytosis of the external auditory canal. Thirty of 34 patients were treated surgically and became all free of recurrence, even after extensive disease.
    Discussion: For the development of idiopathic EACC, repeated microtrauma (e.g., microtrauma resulting from cotton-tipped applicator abuse or from hearing aids) and diminished microcirculation (e.g., from smoking) might be risk factors. A location other than in the inferior portion of the external auditory canal indicates a secondary form of the disease, as in the case of 2 patients with atypically located EACC after years of complete remission of Langerhans cell histiocytosis, which we consider as a new posttumorous category and specific late complication of this rare disease.
    MeSH term(s) Audiometry ; Cholesteatoma/classification ; Cholesteatoma/etiology ; Cholesteatoma/pathology ; Cholesteatoma/surgery ; Ear Canal/pathology ; Ear Canal/surgery ; Earache/pathology ; Functional Laterality ; Hearing Loss, Conductive/etiology ; Humans ; Keratinocytes/pathology ; Mastoid/pathology ; Risk Factors ; Smoking ; Tympanic Membrane/pathology
    Language English
    Publishing date 2008-10
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2036790-9
    ISSN 1537-4505 ; 1531-7129
    ISSN (online) 1537-4505
    ISSN 1531-7129
    DOI 10.1097/MAo.0b013e318185fb20
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Inside-out technique cholesteatoma surgery: a retrospective long-term analysis of 604 operated ears between 1992 and 2006.

    Roth, Thomas Niklaus / Haeusler, Rudolf

    Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology

    2008  Volume 30, Issue 1, Page(s) 59–63

    Abstract: Objective: To retrospectively present the experience with 586 patients or 604 ears operated for cholesteatoma.: Patients: All patients, adults and children, with histologically confirmed cholesteatoma and a mean age of 36 years (3 to 86 yr).: ... ...

    Abstract Objective: To retrospectively present the experience with 586 patients or 604 ears operated for cholesteatoma.
    Patients: All patients, adults and children, with histologically confirmed cholesteatoma and a mean age of 36 years (3 to 86 yr).
    Intervention: With the inside-out technique, cholesteatoma is eradicated from the epitympanum toward the mastoid: small cholesteatoma is removed by a transcanal approach, and medium-sized cholesteatoma is removed by a retroauricular atticotomy and cartilaginous reconstruction of the canal wall. An extended cholesteatoma is eradicated by a classical canal wall down radical cavity. A simultaneous reconstruction of the middle ear by tympano-ossiculoplasty is performed.
    Main outcome measures: Postoperative anatomic results with regard to recurrence, intactness of the tympanic membrane, and condition of the ear site. Auditory performance including air-bone gap, auditory threshold and improvement of hearing.
    Results: A complete removal of cholesteatoma in 93% of adults and 87% of children (mean postoperative follow-up, 10 yr; range, 2-15 yr) was achieved, with 95% dry ears and a mean air-bone gap of less than 30 dB in 78% postoperatively. Nine percent of all patients were lost to follow-up.
    Conclusion: The inside-out technique allows the safe removal of cholesteatoma according to the extent of disease combining the advantages of the canal wall down technique with respect to radicality of cholesteatoma removal and of the canal wall up technique with respect to functional results, with the added advantage of single-stage reconstruction.
    MeSH term(s) Adolescent ; Adult ; Aged ; Aged, 80 and over ; Child ; Child, Preschool ; Cholesteatoma, Middle Ear/surgery ; Follow-Up Studies ; Humans ; Mastoiditis/surgery ; Middle Aged ; Reconstructive Surgical Procedures/methods ; Retrospective Studies ; Time Factors ; Tympanoplasty/methods ; Young Adult
    Language English
    Publishing date 2008-11-24
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2036790-9
    ISSN 1537-4505 ; 1531-7129
    ISSN (online) 1537-4505
    ISSN 1531-7129
    DOI 10.1097/mao.0b013e31818ee0a7
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Measurements of Trunk Sway for Stance and Gait Tasks 2 Years after Vestibular Neurectomy.

    Vibert, Dominique / Allum, John H J / Kompis, Martin / Wiedmer, Simona / Stieger, Christof / Häusler, Rudolf / Caversaccio, Marco

    Audiology & neuro-otology

    2018  Volume 23, Issue 5, Page(s) 298–308

    Abstract: The aim of this study was to investigate changes in balance control for stance and gait tasks in patients 2 years before and after vestibular neurectomy (VN) performed to alleviate intractable Meniere's disease. Amplitudes of trunk sway in roll and pitch ...

    Abstract The aim of this study was to investigate changes in balance control for stance and gait tasks in patients 2 years before and after vestibular neurectomy (VN) performed to alleviate intractable Meniere's disease. Amplitudes of trunk sway in roll and pitch directions were measured for stance and gait tasks in 19 patients using gyroscopes mounted at the lower-back. Measurements before VN and 2 years later were compared to those of healthy age-matched controls (HC). We also examined if changes in trunk sway amplitudes were correlated with patients' subjective assessment of disability using the AAO-HNS scale. For patients with low AAO-HNS scores 0-2 (n = 14), trunk roll and pitch sway velocities, standing eyes closed on foam, increased 2 years post VN compared to HC values (p < 0.01). Trunk sway amplitudes remained at levels of HC for simple gait tasks, but task durations were longer and therefore gait slower. For complex gait tasks (stairs), balance control remained impaired at 2 years. In patients with AAO-HNS high scores level 6 (n = 5), balance control remained abnormal, compared to HC, 2 years postoperatively for all stance, several simple and all complex gait tasks. Trunk sway in the pitch and roll directions for stance tasks was correlated with clinical (AAO-HNS) scores (p ≤ 0.05). These results indicate that VN leads to chronic balance problems for stance and complex gait tasks. The problems are greater for patients with high compared to low AAO-HNS scores, thereby explaining the different symptoms reported by these patients. The lack of balance recovery in VN patients to levels of HCs after 2 years contrasts with the 3 months average recovery period for acute vestibular neuritis patients and is indicative of the effects of neurectomy on central compensation processes.
    MeSH term(s) Adult ; Aged ; Denervation ; Female ; Follow-Up Studies ; Gait/physiology ; Humans ; Male ; Meniere Disease/physiopathology ; Meniere Disease/surgery ; Middle Aged ; Postural Balance/physiology
    Language English
    Publishing date 2018-12-12
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 1314086-3
    ISSN 1421-9700 ; 1420-3030
    ISSN (online) 1421-9700
    ISSN 1420-3030
    DOI 10.1159/000494965
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Book: Grundlagen des Strahlenschutzes in der Land- und Ernährungswirtschaft

    Häusler, Rudolf / Zerbe, Leo

    ein Leitfaden f. Führungs-, Lehr- u. Beratungskräfte

    1966  

    Author's details bearb. Rudolf Häusler ; Leo Zerbe
    Keywords Ernährungswirtschaft ; Strahlenschutz ; Landwirtschaft
    Subject Strahlenschutzvorsorge ; Agrarwirtschaft ; Agrarsektor ; Landwirtschaftlicher Sektor
    Size 63 S.
    Publisher Bundesministerium f. Ernährung, Landwirtschaft u. Forsten
    Publishing place Bonn
    Document type Book
    Note [Umschlagt.:] Grundlagen des Strahlenschutzes in der Land- und Ernährungswirtschaft
    HBZ-ID HT008897822
    Database Catalogue ZB MED Nutrition, Environment, Agriculture

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  8. Article ; Online: Petrous bone cholesteatoma removal with hearing preservation.

    Senn, Pascal / Haeusler, Rudolf / Panosetti, Eugène / Caversaccio, Marco

    Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology

    2011  Volume 32, Issue 2, Page(s) 236–241

    Abstract: Objective: Clinical and radiologic outcome analysis after petrous bone cholesteatoma (PBC) removal with simultaneous functional reconstruction.: Study design: Retrospective case review over an observation period of 16 years (1992-2007).: Setting: ... ...

    Abstract Objective: Clinical and radiologic outcome analysis after petrous bone cholesteatoma (PBC) removal with simultaneous functional reconstruction.
    Study design: Retrospective case review over an observation period of 16 years (1992-2007).
    Setting: Tertiary referral center.
    Patients: A total of 21 patients (17 adults and 4 children) with PBCs were included, accounting for 3.4% of all cholesteatoma cases (n = 621). The average follow-up duration was 7 years (range, 2-15 yr). In all patients, a modified subtotal petrosectomy was performed with simultaneous tympanoplasty, musculoplasty, and meatoplasty in 90%. In 2 patients (10%), the cavity was obliterated. Two others (10%) needed a simultaneous temporal craniotomy.
    Main outcome measures: Preoperative, intraoperative, and postoperative findings including signs, classifications, recurrences, hearing, and facial nerve outcomes.
    Results: In the majority of patients (67%), a supralabyrinthine PBC was found. Complete macroscopic resection was achieved in all patients. During the follow-up period, 4 patients (19%) were identified as having recurrent disease. Hearing was postoperatively preserved in 14 of 17 patients with preoperative hearing (82%; 4 preoperative dead ears), of whom, 13 had functional hearing, with a mean pure-tone average of 37 dB (range, 15-55 dB). Preoperative facial nerve dysfunction completely resolved in 4 of 6 patients, and no new dysfunctions occurred postoperatively. All cavities became self-cleaning and dry.
    Conclusion: Hearing preservation was feasible in the majority of patients with PBCs. The functional surgical concept and the high number of supralabyrinthine lesions seemed to be important prerequisites for the good functional outcomes observed.
    MeSH term(s) Adult ; Aged ; Aged, 80 and over ; Cholesteatoma, Middle Ear/surgery ; Facial Paralysis/epidemiology ; Female ; Follow-Up Studies ; Hearing/physiology ; Humans ; Longitudinal Studies ; Magnetic Resonance Imaging ; Male ; Middle Aged ; Minimally Invasive Surgical Procedures ; Otologic Surgical Procedures ; Petrous Bone/surgery ; Postoperative Complications/epidemiology ; Recurrence ; Retrospective Studies ; Tomography, X-Ray Computed ; Treatment Outcome ; Young Adult
    Language English
    Publishing date 2011-02
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2036790-9
    ISSN 1537-4505 ; 1531-7129
    ISSN (online) 1537-4505
    ISSN 1531-7129
    DOI 10.1097/MAO.0b013e3182001ef4
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Cholesteatoma surgery in children: long-term results of the inside-out technique.

    Roth, Thomas N / Ziglinas, Panagiotis / Haeusler, Rudolf / Caversaccio, Marco D

    International journal of pediatric otorhinolaryngology

    2013  Volume 77, Issue 5, Page(s) 843–846

    Abstract: Objective: To present the anatomical and functional results of the inside-out technique applied in pediatric cholestetaoma surgery and to evaluate functionality with good hearing results against radicality with lower recurrence rate.: Methods: ... ...

    Abstract Objective: To present the anatomical and functional results of the inside-out technique applied in pediatric cholestetaoma surgery and to evaluate functionality with good hearing results against radicality with lower recurrence rate.
    Methods: Retrospective analysis and evaluation of the postoperative outcome in a consecutive series of 126 children or 130 ears operated between 1992 and 2008. With the inside-out technique, cholesteatoma is eradicated from the epitympanum toward the mastoid and, as a single stage procedure, functional reconstruction of the middle ear is achieved by tympanoossiculoplasty.
    Results: In 89.2% of all cases, the ear was dry postoperatively. 80.9% of the ears reached a postoperative air-bone gap of 30 dB or less and the median air conduction hearing threshold was 29 dB; in 60.9% of all cases, hearing was postoperatively improved. The recurrence rate was 16.2% in a mean postoperative follow-up 8.5 years. Altogether, 48 ears (36.9%) underwent revision surgery. The complication rate was 3.1% and involved only minor complications.
    Conclusion: The inside-out technique allows a safe removal of cholesteatoma from the epitympanum toward the mastoid with a single-stage reconstruction of the ossicular chain. For this reason we support our individual approach, which allows creation of the smallest possible cavity for the size of the cholesteatoma. Our results confirm that the inside-out technique is effective in the treatment of pediatric cholesteatoma.
    MeSH term(s) Adolescent ; Child ; Child, Preschool ; Cholesteatoma, Middle Ear/surgery ; Ear, Middle/surgery ; Female ; Follow-Up Studies ; Humans ; Male ; Mastoid/surgery ; Postoperative Complications/epidemiology ; Postoperative Complications/etiology ; Reconstructive Surgical Procedures/methods ; Recurrence ; Reoperation/statistics & numerical data ; Retrospective Studies ; Treatment Outcome
    Language English
    Publishing date 2013-05
    Publishing country Ireland
    Document type Journal Article
    ZDB-ID 754501-0
    ISSN 1872-8464 ; 0165-5876
    ISSN (online) 1872-8464
    ISSN 0165-5876
    DOI 10.1016/j.ijporl.2013.03.002
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: Advantages and risks of various sealing procedures of the oval window: vein graft, adipose tissue, gelfoam, merogel.

    Incesulu, Armagan / Häusler, Rudolf

    Advances in oto-rhino-laryngology

    2006  Volume 65, Page(s) 206–209

    Abstract: An overview of various proposed sealing procedures of the oval window proposed for stapedectomy or stapedotomy are presented. These include vein graft, adipose tissue and substances like Gelfoam or Merogel. The advantages and pitfalls with these ... ...

    Abstract An overview of various proposed sealing procedures of the oval window proposed for stapedectomy or stapedotomy are presented. These include vein graft, adipose tissue and substances like Gelfoam or Merogel. The advantages and pitfalls with these materials are discussed.
    MeSH term(s) Adipose Tissue/transplantation ; Biocompatible Materials ; Fistula/prevention & control ; Gelatin Sponge, Absorbable ; Humans ; Hyaluronic Acid ; Ossicular Prosthesis ; Otosclerosis/surgery ; Oval Window, Ear/surgery ; Perilymph ; Postoperative Complications/etiology ; Postoperative Complications/prevention & control ; Risk Factors ; Stapes Surgery/methods ; Veins/transplantation
    Chemical Substances Biocompatible Materials ; Hyaluronic Acid (9004-61-9)
    Language English
    Publishing date 2006-12-21
    Publishing country Switzerland
    Document type Comparative Study ; Journal Article
    ISSN 0065-3071
    ISSN 0065-3071
    DOI 10.1159/000098809
    Database MEDical Literature Analysis and Retrieval System OnLINE

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