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  • 1
    Online Resource
    Online Resource
    American Society of Civil Engineers (ASCE) ; 1925
    In:  Transactions of the American Society of Civil Engineers Vol. 88, No. 1 ( 1925-01), p. 0553-0575
    In: Transactions of the American Society of Civil Engineers, American Society of Civil Engineers (ASCE), Vol. 88, No. 1 ( 1925-01), p. 0553-0575
    Type of Medium: Online Resource
    ISSN: 0066-0604 , 2690-4071
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    Language: English
    Publisher: American Society of Civil Engineers (ASCE)
    Publication Date: 1925
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  • 2
    Online Resource
    Online Resource
    Elsevier BV ; 1998
    In:  American Journal of Otolaryngology Vol. 19, No. 2 ( 1998-3), p. 118-123
    In: American Journal of Otolaryngology, Elsevier BV, Vol. 19, No. 2 ( 1998-3), p. 118-123
    Type of Medium: Online Resource
    ISSN: 0196-0709
    Language: English
    Publisher: Elsevier BV
    Publication Date: 1998
    detail.hit.zdb_id: 2041649-0
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  • 3
    In: Otology & Neurotology, Ovid Technologies (Wolters Kluwer Health), Vol. 41, No. 9 ( 2020-10), p. 1163-1174
    Abstract: This combined American Neurotology Society, American Otological Society, and American Academy of Otolaryngology – Head and Neck Surgery Foundation document aims to provide guidance during the coronavirus disease of 2019 (COVID-19) on 1) “priority” of care for otologic and neurotologic patients in the office and operating room, and 2) optimal utilization of personal protective equipment. Given the paucity of evidence to inform otologic and neurotologic best practices during COVID-19, the recommendations herein are based on relevant peer-reviewed articles, the Centers for Disease Control and Prevention COVID-19 guidelines, United States and international hospital policies, and expert opinion. The suggestions presented here are not meant to be definitive, and best practices will undoubtedly change with increasing knowledge and high-quality data related to COVID-19. Interpretation of this guidance document is dependent on local factors including prevalence of COVID-19 in the surgeons’ local community. This is not intended to set a standard of care, and should not supersede the clinician's best judgement when managing specific clinical concerns and/or regional conditions. Access to otologic and neurotologic care during and after the COVID-19 pandemic is dependent upon adequate protection of physicians, audiologists, and ancillary support staff. Otolaryngologists and associated staff are at high risk for COVID-19 disease transmission based on close contact with mucosal surfaces of the upper aerodigestive tract during diagnostic evaluation and therapeutic procedures. While many otologic and neurotologic conditions are not imminently life threatening, they have a major impact on communication, daily functioning, and quality of life. In addition, progression of disease and delay in treatment can result in cranial nerve deficits, intracranial and life-threatening complications, and/or irreversible consequences. In this regard, many otologic and neurotologic conditions should rightfully be considered “urgent,” and almost all require timely attention to permit optimal outcomes. It is reasonable to proceed with otologic and neurotologic clinic visits and operative cases based on input from expert opinion of otologic care providers, clinic/hospital administration, infection prevention and control specialists, and local and state public health leaders. Significant regional variations in COVID-19 prevalence exist; therefore, physicians working with local municipalities are best suited to make determinations on the appropriateness and timing of otologic and neurotologic care.
    Type of Medium: Online Resource
    ISSN: 1531-7129 , 1537-4505
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2020
    detail.hit.zdb_id: 2058738-7
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  • 4
    Online Resource
    Online Resource
    Archives of Pathology and Laboratory Medicine ; 2003
    In:  Archives of Pathology & Laboratory Medicine Vol. 127, No. 11 ( 2003-11-01), p. 1475-1479
    In: Archives of Pathology & Laboratory Medicine, Archives of Pathology and Laboratory Medicine, Vol. 127, No. 11 ( 2003-11-01), p. 1475-1479
    Abstract: Context.—Lipochoristomas (lipomatous choristomas) are rare tumors of the acoustic nerve (cranial nerve VIII/vestibulocochlear nerve) within the internal acoustic canal and sometimes the cerebellopontine angle, and are histogenetically believed to be congenital malformations. Their clinically indolent behavior has recently prompted a more conservative management protocol in a quest for maximal nerve/hearing preservation. This approach contrasts sharply with that for the common internal acoustic canal/cerebellopontine angle tumors, the neuroepithelial neoplasms (acoustic schwannomas and meningiomas), which behave more aggressively and have more prominent clinical manifestations. Owing to their rarity, the clinicopathologic features of cranial nerve VIII lipochoristomas have been obtained mainly through case reports. Objective.—We present the clinicopathologic features of 11 cases of lipochoristomas of cranial nerve VIII. Design.—The 11 cases were documented between 1992 and 2003. We performed complete clinical reviews with histologic, histochemical, and immunohistochemical analyses of formalin-fixed, paraffin-embedded tumor samples. Results.—The patients were 8 men and 3 women with hearing loss of the right ear (5 patients) or the left ear (6 patients). No patient had bilateral tumors. All lipochoristomas histologically possessed mature adipose tissue admixed with varied amounts of mature fibrous tissue, tortuous thick-walled vessels, smooth muscle bundles, and skeletal muscle fibers, the latter verified with immunohistochemistry. Conclusions.—The histomorphologic and immunophenotypic evidence showed that these tumors are better characterized as choristomas than as simple “lipomas,” as they have been labeled in the past. Their overall nonaggressive clinical nature in addition to the characteristic radiologic and histomorphologic findings are important clinicopathologic features for the pathologist to recognize and differentiate, especially during frozen section evaluations, in order to direct the neurosurgeon to a more appropriate conservative therapeutic intervention.
    Type of Medium: Online Resource
    ISSN: 1543-2165 , 0003-9985
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    Language: English
    Publisher: Archives of Pathology and Laboratory Medicine
    Publication Date: 2003
    detail.hit.zdb_id: 2028916-9
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  • 5
    Online Resource
    Online Resource
    Acoustical Society of America (ASA) ; 1998
    In:  The Journal of the Acoustical Society of America Vol. 104, No. 3_Supplement ( 1998-09-01), p. 1769-1769
    In: The Journal of the Acoustical Society of America, Acoustical Society of America (ASA), Vol. 104, No. 3_Supplement ( 1998-09-01), p. 1769-1769
    Abstract: Automobile airbag safety systems have successfully reduced the number of occupant injuries from motor vehicle accidents. Unfortunately, airbags are also associated with some inherent risk, including a high-amplitude, short-duration noise from airbag deployment. A review of the available research in the automobile industry indicates that the peak amplitude of this noise may exceed 170 dB sound-pressure level. Despite the increasingly wide application of airbags in automobiles, there have been no previous reports of airbag-related otologic injuries. The authors have encountered six patients with otologic symptoms that appear to be related to airbag impulse noise. Five of these patients have documented hearing loss, one patient reported persistent tinnitus, and two patients have significant dysequilibrium. Although permanent hearing loss from airbag noise appears to be rare, temporary threshold shifts are probably much more common. It is important, therefore, that the clinician be aware of the noise associated with airbag inflation and the possibility of acoustic trauma from these safety devices.
    Type of Medium: Online Resource
    ISSN: 0001-4966 , 1520-8524
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    Language: English
    Publisher: Acoustical Society of America (ASA)
    Publication Date: 1998
    detail.hit.zdb_id: 1461063-2
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  • 6
    Online Resource
    Online Resource
    Ovid Technologies (Wolters Kluwer Health) ; 2001
    In:  Neurosurgery Vol. 49, No. 2 ( 2001-08-01), p. 274-283
    In: Neurosurgery, Ovid Technologies (Wolters Kluwer Health), Vol. 49, No. 2 ( 2001-08-01), p. 274-283
    Abstract: The treatment of patients with neurofibromatosis Type 2 has always been challenging for neurosurgeons and neurotologists. Guidelines for appropriate management of this devastating disease are controversial. METHODS A retrospective study of 28 patients with neurofibromatosis Type 2 who underwent 40 middle fossa craniotomies for excision of their acoustic tumors is reported. Eleven patients underwent bilateral procedures. The study focused on hearing preservation and facial nerve results for this group of patients. The 16 male patients and 12 female patients ranged in age (at the time of surgery) from 10 to 70 years, with a mean age of 22.6 years. The mean tumor size was 1.1 cm (range, 0.5–3.2 cm), and the majority of tumors were less than 1.5 cm. RESULTS Measurable hearing was preserved in 28 ears (70%), with 42.5% being within 15 dB pure-tone average and 15% speech discrimination score of preoperative levels. In 55% of cases there was no change in the hearing class, as defined by the American Academy of Otolaryngology-Head and Neck Surgery. Of the 11 patients who underwent bilateral operations, 9 (82%) retained some hearing bilaterally. After 1-year follow-up periods (mean, 12.8 mo), 87.5% of patients exhibited normal facial nerve function (House-Brackmann Grade I). CONCLUSION Early surgical intervention to treat acoustic tumors among patients with neurofibromatosis Type 2 is a feasible treatment strategy, with high rates of hearing and facial nerve function preservation.
    Type of Medium: Online Resource
    ISSN: 0148-396X , 1524-4040
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    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2001
    detail.hit.zdb_id: 1491894-8
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  • 7
    Online Resource
    Online Resource
    Wiley ; 2003
    In:  Otolaryngology–Head and Neck Surgery Vol. 129, No. 6 ( 2003-12), p. 660-665
    In: Otolaryngology–Head and Neck Surgery, Wiley, Vol. 129, No. 6 ( 2003-12), p. 660-665
    Abstract: We sought to determine long‐term hearing preservation in vestibular schwannoma patients after undergoing middle fossa resection. STUDY DESIGN, SETTING, AND OUTCOME MEASURES We conducted a retrospective chart review of patients undergoing middle fossa resection from 1990 to 1995 at a tertiary care center. Pure‐tone thresholds, before resection and at least 5 years after resection, and speech discrimination scores are reported. RESULTS Seventy percent of patients with immediate postoperative hearing maintained serviceable hearing at more than 5 years after surgery. Pure‐tone average in the operative ear changed at the same rate as hearing in the unoperated ear during this follow‐up period. CONCLUSIONS More than two thirds of patients who underwent middle fossa resection of a vestibular schwannoma with some hearing postoperatively maintain that hearing at greater than 5 years of follow‐up. Surgery alone does not have a negative impact on long‐term hearing preservation. (Otolaryngol Head Neck Surg 2003;129:660‐5.)
    Type of Medium: Online Resource
    ISSN: 0194-5998 , 1097-6817
    Language: English
    Publisher: Wiley
    Publication Date: 2003
    detail.hit.zdb_id: 2008453-5
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  • 8
    Online Resource
    Online Resource
    Wiley ; 2003
    In:  Otolaryngology–Head and Neck Surgery Vol. 129, No. 2 ( 2003-08)
    In: Otolaryngology–Head and Neck Surgery, Wiley, Vol. 129, No. 2 ( 2003-08)
    Type of Medium: Online Resource
    ISSN: 0194-5998 , 1097-6817
    Language: English
    Publisher: Wiley
    Publication Date: 2003
    detail.hit.zdb_id: 2008453-5
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  • 9
    Online Resource
    Online Resource
    Wiley ; 2001
    In:  Otolaryngology–Head and Neck Surgery Vol. 125, No. 5 ( 2001-11), p. 544-551
    In: Otolaryngology–Head and Neck Surgery, Wiley, Vol. 125, No. 5 ( 2001-11), p. 544-551
    Abstract: We evaluated hearing outcomes in patients with sudden hearing loss and vestibular schwannoma who underwent a hearing preservation operation for tumor resection in an effort to determine whether a history of sudden sensorineural hearing loss has an impact on subsequent hearing preservation surgery. METHODS Retrospective chart review of 45 patients operated between 1990 and 1998. Patients were divided into “Recovery” (n = 22) and “No Recovery” (n = 23) groups based on preoperative hearing recovery. Hearing preservation was assessed using the AAO‐HNS hearing classification system. RESULTS Measurable hearing was preserved in 73% of patients, with 47% having good postoperative hearing (AAO‐HNS Classes A‐B). There was no significant difference in hearing outcome from patients presenting with progressive hearing loss (45% Classes A‐B). There was also no difference in postoperative hearing between the “Recovery” and “No Recovery” groups. CONCLUSIONS Patients with sudden hearing loss and vestibular schwannoma have the same chance of hearing preservation after tumor removal as those with progressive loss. Preoperative recovery of hearing is not predictive of hearing preservation. Available data support the nerve compression theory as the mechanism of sudden hearing loss in patients with vestibular schwannoma.
    Type of Medium: Online Resource
    ISSN: 0194-5998 , 1097-6817
    Language: English
    Publisher: Wiley
    Publication Date: 2001
    detail.hit.zdb_id: 2008453-5
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  • 10
    Online Resource
    Online Resource
    Wiley ; 2009
    In:  Otolaryngology–Head and Neck Surgery Vol. 140, No. 4 ( 2009-04), p. 573-578
    In: Otolaryngology–Head and Neck Surgery, Wiley, Vol. 140, No. 4 ( 2009-04), p. 573-578
    Abstract: A single vertical skin incision with subcutaneous tissue removal is a cosmetic alternative for Baha implant placement. We aimed to determine the preliminary complication rate using a 4‐cm vertical skin incision. Study Design Retrospective review. Subjects and Methods Vertical incision Baha implant placements from January 2006 to August 2007 were reviewed. Complications including skin irritation, skin overgrowth, and implant extrusion were tallied. A total of 71 patients underwent surgery, with a mean follow‐up time of 7 months. Results There were five minor complications (three cases of skin irritation, one wound infection requiring oral antibiotics, one postoperative hematoma) and seven major complications (one case of irritation requiring abutment removal, six cases of skin overgrowth or infection requiring flap revision), for a total complication rate of 16.9 percent. Conclusions A single vertical incision for Baha implant placement has a complication rate similar to that of traditional dermatome use in this preliminary study. Patients with thick scalps or risk factors for hypertrophic scarring may require longer abutments.
    Type of Medium: Online Resource
    ISSN: 0194-5998 , 1097-6817
    Language: English
    Publisher: Wiley
    Publication Date: 2009
    detail.hit.zdb_id: 2008453-5
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