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Volume 39, Issue 6
Displaying 1-21 of 21 articles from this issue
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[in Japanese]1996 Volume 39 Issue 6 Pages 592-593
Published: December 15, 1996
Released on J-STAGE: August 10, 2011
JOURNAL FREE ACCESSDownload PDF (1073K) -
Sotaro Funasaka1996 Volume 39 Issue 6 Pages 594-603
Published: December 15, 1996
Released on J-STAGE: August 10, 2011
JOURNAL FREE ACCESSThis paper describes first the system of the cochlear implant (Nucleus SPECTRA-22, Cochlear Pty. Ltd.) and speech perception test results performed on monosyllables, words and sentences in conditions under quiet and multitalker noise, with or without lipreading. These results indicate that the cochlear implant is very effective for a completely deaf or a profoundly deaf patient to restore the conversation ability. This device is also useful for a pre-or a perf-lingual infant to develop speech, although Japan is far behind from the United States and western Europe, by the teachers'opposition of schools for the deaf. Regarding this situation, the author has establishe children's center privately with the aid of volunteers, most of whom have raised at least two of their own children. It works well so far.
Secondly, recent development of cochlear physiology is stated, that is, outer hair cells can regulate the vibration of the basilar membrane to enable a sharp frequency analysis, and this leads to the concept of active cochlea. The damage of outer hair cells results in deterioration of the frequency analysis and a precise loudness increment as well as threshold elevation.
A hearing aid is not effective for the patient with severe hearing loss due to inner ear damage, since it does not compensate the deteriorated frequency analysis that is important for speech sound perception.
Thirdly this paper states the brain mechanism of speech perception relative to the application of the cochlear implant for very young children.View full abstractDownload PDF (3040K) -
Seiitiro Nakabayashi, Naohiro Suzuki, Shigeru Nakatuka, Tomonori Takas ...1996 Volume 39 Issue 6 Pages 604-614
Published: December 15, 1996
Released on J-STAGE: August 10, 2011
JOURNAL FREE ACCESSThough topically administered glucocorticoid is generally used as a therapeutic drug for nasal allergy, there are some unclear points regarding its effects. It is known that topically administered glucocorticoid controls the infiltration of activated eosinophils of the nasal mucosa. Though IL-5 is important as an activation factor of eosinophils, there have been few studies on the effects of topically administered glucocorticoid on IL-5. Accordingly, focusing on the IL-5 of the nasal mucosa, eosinophils, T cells, mast cells, and neutrophils was immunohistochemically studied after verification of the vital statistics by antigen provocation. Twenty-four hours after provocation, a significant increase in activated eosinophils, IL-5 positive cells, mast cells, and neutrophils was recognized. Moreover, as a result of two weeks of the topical administration of glucocorticoid, a significant decrease in T cells, activated eosinohils, mast cells, and neutrophils was recognized. With topically administered glucocorticoid, a correlation among IL-5 positive cells, T cells, and activated eosinophils was recognized. Consequently, though topically administered glucocorticoid does not directly control the production and release of IL-5, it is possible that, as an IL-5 producing cell, it mainly controls the production of T cells.View full abstractDownload PDF (4559K) -
Fujinobu Tanaka, Naoki Tsukasaki, Yoshiaki Nakao, Kouichirou Shigeno, ...1996 Volume 39 Issue 6 Pages 615-619
Published: December 15, 1996
Released on J-STAGE: August 10, 2011
JOURNAL FREE ACCESSPathophysiology of hearing impairment in acoustic neuromas is still controversial. We conducted electrocochleographical (ECoG) evaluation on hearing loss in 34 acoustic neuromas, and comparison was made between the ECoG findings and their sizes on MR image, and pure tone audiogram (PTA). The disparity was noticed in the threshold of PTA and detective threshold of action potential (AP) and cochlear microphonics (CM), and the threshold of the PTA was worse than the threshold of AP and CM. The disparity was found to be correlated well with the size of the tumor. There was no correlation between the size and the extent of cochlear damage which presumed by the amplitude and detective threshold of AP and CM. These results revealed that ECoG is useful for evaluating cochlear and retrocochlear hearing impairment in acoustic neuromas.View full abstractDownload PDF (685K) -
Shin-chi Haruna, Mistunori Ozawa, [in Japanese], Kazuyasu Yoshimi, Hir ...1996 Volume 39 Issue 6 Pages 620-626
Published: December 15, 1996
Released on J-STAGE: August 10, 2011
JOURNAL FREE ACCESSIn the treatment of 18 pediatric patients with chronic sinusitis in whom conservative treatment had failed to improve the disease, modified endoscopic sinus surgery (MESS) was performed in 13 patients (5 to 15 years old), while endoscopic sinus surgery (ESS) was performed in 5 patients (13 to 15 years old). These two methods were evaluated and their indication was studied. Two to ten months after operation, CT imaging confirmed opening of the fontanelle of the maxillary sinus and nasofrontal duct in all cases excluding one case. In the patient group undergoing MESS, the rating based on CT imagingwas “markedly improved” in 8 cases, “improved” in one case. The overall rate of improvement in subjective symptoms was 95%. Improvement in oralB breathing, nasal obstruction and headache was especially good, while rhinorrhea and postnasal discharge remained unchanged in one forth of the patients. In the postoperative endoscopic observation of the sinuses, the rating was “markedly improved” in 6 cases, “improved” in 6 cases, “unchanged” in 4 cases, and “worsened” in 2 cases. On the basis of the above results, the following conclusions were reached: It is appropriate to performed MESS in order to maintaiphysiological morphology of developing sinuses for patients who are 12 years old or younger and whoresist to conservative treatment, while it is appropriate to perform ESS for patients who are 13 years old or older and who have severe pathological changes.View full abstractDownload PDF (2546K) -
Masutoshi Nishikawa, Keiko Nishikawa1996 Volume 39 Issue 6 Pages 627-631
Published: December 15, 1996
Released on J-STAGE: August 10, 2011
JOURNAL FREE ACCESSTranstympanic electrocochleography using 80 dB nHL clicks was performed on 24 patients with confirmed Meniere's disease, 13 with suspected Meniere's disease and 30 with other diseases in whom positve summating potentials (SP) were recorded.
There were no significant differences in the average positive SP (+SP) amplitude, negative SP (-SP) amplitude, action potential (AP) amplitude, +SP/AP amplitude ratio or-SP/AP amplitude ratio in the patients with+SP. In patients with +SP, the average-SP/AP amplitude ratio in Meniere's disease was not significantly larger than that in other diseases.View full abstractDownload PDF (701K) -
Norihito Mizorogi, Satoru Hongou1996 Volume 39 Issue 6 Pages 632-635
Published: December 15, 1996
Released on J-STAGE: August 10, 2011
JOURNAL FREE ACCESSA 27-year-old man was admitted to our hospital with the complaint of intense dyspnea. Up to that time, he had been treated. as asthma under a certain physician nearby over half a year. There was an uncertain finding in the simple X-ray, but tomography revealed the existence of a tracheal tumor expanding. Following fiberscopic exam. showed it occupying the inner cavity of trachea. The specimen wasdiagnosed histologically “Adenoidcystic Carcinoma.” And then we anesthetized him using a ventilation bronchoscope inserted through the narrow space in trachea. As the tumor extended over 5 to 6 cm getting close to carina and there was no sign of tracheal cartilage, it seemed to be thought impossible to do circumferential resection of trachea with primary end to end anastomosis. We put a straight silicone tube through the hole made by taking the portion of tumor to keep air way.
Soon after it was changed to silicone T-tube. Continuously irradiation was added with a total dose of 6, 000 rads. Now years after operation, in spite of the tumor remained, he is up and well without any trouble except the inserted T-tube. Adenoidcystic carcinoma is said to be slow in growth and rather benign in behavior, but because of its progressive nature, appropriate surgical procedures in combination with irradiation should be taken in each patient.View full abstractDownload PDF (2006K) -
Yuichiro Sugio, Yoko Kudo, Yukiko Yamada, Hiroyuki Zusho1996 Volume 39 Issue 6 Pages 636-642
Published: December 15, 1996
Released on J-STAGE: August 10, 2011
JOURNAL FREE ACCESSWe encountered three cases of deep neck infection which is rare. This is a report of our findings.
1) Case 1 required reconstructive surgery because of a skin defect in the anterior region of the neck.
2) Case 2 had 3 independent abscesses formed in the lateral region of the neck on both sides.
3) Case 3 had an independent abscess formed in the submandibular region on both sides.
CT scan was useful for diagnosis and treatment in these cases. Appropriate surgical drainage and administration of antibiotics are considered important in the treatment of deep neck infections.View full abstractDownload PDF (4759K) -
Ryuichiro Uemura, Jin Kanzaki, Takanobu Kunihiro, Kazuhiro Kurashima, ...1996 Volume 39 Issue 6 Pages 643-647
Published: December 15, 1996
Released on J-STAGE: August 10, 2011
JOURNAL FREE ACCESSA series of 85 patients who had undergone hearingpreserved operation (middle cranial fossa approach or extended middle cranial fossa approach type III) for a unilateral acoustic neuroma (AN) was analyzed about pre and postoperative tinnitus.
They consisted of 37 successful hearing-preserved cases and 48 hearing-loss cases.
Obvious differences between hearing-preserved cases and hearing-loss cases were not found about the level of improvement or worsening of their tinnitus. Subjective expressions of tinnitus nature among acoustic neuroma patients were various, so it was thought that a speculation about the prognosis of acoustic neuroma tinnitus would be difficult, but tinnitus in acoustic neuroma patients in both cases was mostly mild and it not so traumatic for their quality of life.View full abstractDownload PDF (704K) -
Jun Tsuda, Yasufumi Hirano, Sumihiro Matsuzaki1996 Volume 39 Issue 6 Pages 648-652
Published: December 15, 1996
Released on J-STAGE: August 10, 2011
JOURNAL FREE ACCESSThe term arteriovenous malformation (AVM) describes a high flow vascular anomaly with multiple, low resistance shunts which short circuit the capillary bed. AVM of the head and neck are rare, and that fed by the facial artery are quite rare.
AVM has complications such as hemorrhage, ischemic ulceration and even congestive cardiac failure.
A case of AVM fed by the left facial artery presenting in a 37-year-old female is reported. Her main complaint was an enlarging lesion on her submental triangle. On clinical examination a pulsatile mass was identified and an angiogram confirmed an AVM fed by the left facial artery.
Surgical excision of the lesion was achieved. At follow-up 6 months postoperatively there has been no evidence of recurrence. Life time follow-up examinations are required because the potential for recurrence always exists.View full abstractDownload PDF (3733K) -
Toshio Ohnishi, Toshiro Tachibna, Hideaki Sato, Yachiyo Moro, Shiro Es ...1996 Volume 39 Issue 6 Pages 653-660
Published: December 15, 1996
Released on J-STAGE: August 10, 2011
JOURNAL FREE ACCESSThe authors report the maxillary to frontal method in endoscopic sinus surgery. This method is featured by the opening of the maxillary sinus or creating the middle meatal antrostomy prior to the exposure of the roof of the ethmoid sinus and the frontal recess.
This method allows a broader operating field in the ethmoid sinus when the ethmoidal roof and frontal recess are to be exposed.
A review of 254 operations with this techniqe done during a two year period showed that this method brings a safer operation, shorter operating time (24.8 min. average per side), less bleeding (18.5 ml average per side) and less pain in endoscopic sinus surgery. This procedure can be a method to improve the quality of endoscopic sinus surgery.View full abstractDownload PDF (1889K) -
Satoru Fujitani, Harumi Suzaki, Seido Oki, Tomohisa Yokokawa, Kokoro I ...1996 Volume 39 Issue 6 Pages 661-665
Published: December 15, 1996
Released on J-STAGE: August 10, 2011
JOURNAL FREE ACCESSThe “Hummer” Microdebrider System (Stryker Corp, USA) consisting of a control console, a footswitch and a handpiece, is a shaver system with continuous suction for endoscopic sinus surgery. The cutter/burr, which is 8 cm in length and connects with the handpiece, consists of an outer sheath and a rotating inner sheath and has a cutter/burr distal end. Surgeons can choose from 8 cutter and burr styles for their needs. The accelerator style footswitch controls speed and cutting mode. Forward, reverse and oscillating speeds can be adjustable up to 1600 r. p.m.
The advantages of the system are as follows:
1) continuous suction ensures a clear visual field,
2) the system resects diseased tissue without damaging adjacent normal mucosa,
3) discomfort is reduced during operation,
4) a smooth resection surface in obtained,
5) trimming of the turbinates is easy, and
6) the system allows management of lesions in hard-to-access sites such as the olfactory cleft.
The disadvantages include:
1) the aspirator is sometimes clogged and requires replacement, which is time-consuming.
2) when for resectioning hard bones, the burr is less effective and the vision of the surgical field is disturbed by vibration.
3) the straight cutter/burr makes it hard to access the frontonasal duct, the frontal sinus and the maxillary sinus, and
4) it takes more time for the removal of lesions than using forceps.
It was concluded that this system is appropriate for the removal of soft nasal polyps, revision surgery of nasal polyps, and surgery of ethmoidal lesions in patients with a thin partition of well-pneumatized ethmoidal cells.View full abstractDownload PDF (2202K) -
Kazuyasu Asai, Masanori Ishii, Satoru Hongo, Makoto Iida1996 Volume 39 Issue 6 Pages 666-670
Published: December 15, 1996
Released on J-STAGE: August 10, 2011
JOURNAL FREE ACCESSSkainarTM steam is a medical equipment chiefly designed to improved symptoms of patients with nasal allergy by directly sprayng 43°C vapor into the nasal cavity. We used this equipment for postoperative treatment of patients who had undergone septoplasty or turbinectomy of the inferior turbinate mucosa and studied its effects. preoperatively, MAST, rhinomanometry and saccharin test were perfomed, and each patient was requested to answer to questionnaire regarding their subjective symptoms. After operation, at home, patients performed inhalation of SkainarTM steam for 10 min twice each day. The above tests were performed again for each patient on an outpatient basis, and the changes in the objective findings and subjective symptoms were analyzed. Improvement was achieved for each test parameter, and especially good improvement was noted with respect to subjective symptoms. These improvements are thought to be ascribable to the effects of the treatment in preventing scab formation by humidification of the nasal cavity.View full abstractDownload PDF (738K) -
[in Japanese], [in Japanese]1996 Volume 39 Issue 6 Pages 671-677
Published: December 15, 1996
Released on J-STAGE: August 10, 2011
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[in Japanese], [in Japanese], [in Japanese]1996 Volume 39 Issue 6 Pages 678-679
Published: December 15, 1996
Released on J-STAGE: August 10, 2011
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Koji Tokumasu1996 Volume 39 Issue 6 Pages 680-687
Published: December 15, 1996
Released on J-STAGE: August 10, 2011
JOURNAL FREE ACCESSExercise therapy for dizzy patients with vestibular injuries was effectively applied by Cawthorne and Cooksey in 1946. Then, many basic and clinical research studies on this theme have been published. However, it might be hard to say that vestibular exercises were usefully applied to treat patients with vertigo and dizziness clinically.
The purpose, method, indication of vestibular rehabilitation were asserted in this report.View full abstractDownload PDF (1289K) -
[in Japanese], [in Japanese]1996 Volume 39 Issue 6 Pages 688-692
Published: December 15, 1996
Released on J-STAGE: August 10, 2011
JOURNAL FREE ACCESSDownload PDF (547K) -
[in Japanese]1996 Volume 39 Issue 6 Pages 693-697
Published: December 15, 1996
Released on J-STAGE: August 10, 2011
JOURNAL FREE ACCESSDownload PDF (918K) -
[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...1996 Volume 39 Issue 6 Pages 698-707
Published: December 15, 1996
Released on J-STAGE: August 10, 2011
JOURNAL FREE ACCESS -
[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...1996 Volume 39 Issue 6 Pages 708-718
Published: December 15, 1996
Released on J-STAGE: August 10, 2011
JOURNAL FREE ACCESS -
[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...1996 Volume 39 Issue 6 Pages 719-728
Published: December 15, 1996
Released on J-STAGE: August 10, 2011
JOURNAL FREE ACCESS
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