• 말소리와 음성과학
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• 제7권2호
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• pp.47-54
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• 2015

The objectives of this study are to research the frequency of depression symptom in patients with voice disorders and to investigate parameters associated with depression from voice evaluation. A hundred ninety six patients(106 males and 90 females) who had been diagnosed with voice disorders first in their lifetime were selected. All the patients were examined by laryngeal stroboscopy. For depression and voice study, personal interview, acoustic and aerodynamic analysis, voice handicap index(VHI), reflux symptom index(RSI), and beck depression index(BDI) were done respectively. Mild to severe BDI were seen in 26.2%(52 patients) of the whole patients. A BDI mean score of female patients was $8.8{\pm}7.5$ which was higher than that of male patients($5.6{\pm}6.6$), the difference observed being statistically significant(p<0.001). In the acoustic analysis, the score of sent_duration parameter was increasing in the patients with depression, which was significantly higher than the score of the patients without depression(p<0.05). In the addition, the scores of VHI and RSI were higher in the patients with depression(p<0.001). Our findings suggest that the prevalence of depression in patients with voice disorders is related to female, speaking velocity, and self-questionnaire. This result can be used for psychologically based approach to therapy.

• 대한두경부종양학회지
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• 제3권1호
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• pp.85-90
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• 1987

The syndrome of inappropriate ADH secretion(SIADH) is a clinical disorder in which there is continual release of antidiuretic hormone(ADH) unrelated to plasma osmolality. It may occur usually in association with malignant tumors below the clavicle and other pulmonary disorders which are capable of synthesizing, storing and releasing ADH into the circulation but rarely with the head and neck tumors yet. We experienced a patient with unexplained hyponatremia associated with laryngeal carcinoma. The clinical and laboratory diagnostic studies suggested that patient's sodium deficiency was secondary to the SIADH. Subsequent resection of the neoplasm, total laryngectomy led to resolution of hyponatremia, suggesting that a tumor associated humoral factor, such as vasopressin or vasopressin like substance, was responsible for the electrolyte disturbance.

• 대한후두음성언어의학회지
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• 제19권2호
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• pp.85-88
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• 2008

Several parameters are used for the assessment of phonatory function and voice quality in clinical settings. Glottic airflow, subglottal pressure, mean phonation time, laryngeal resistance and voice efficiency are the most commonly used aerodynamic parameters. Aerodynamic analysis is developed to evaluate phonatory energy source and to estimate laryngeal efficiency. Also these measurements have shown the good correlation with perceptions of breathiness and findings of glottic competence. Aerodynamic study is important to understand relationships between pulmonary and phonatory function.

• 대한후두음성언어의학회지
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• 제27권1호
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• pp.14-17
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• 2016

Hoarseness is a postoperative complication of thyroidectomy, mostly due to damage to the recurrent laryngeal nerve (RLN). Hoarseness may also be brought about via vocal cord dysfunction (VCD) due to injury of the vocal cords from manipulations during anesthesia, as well as from psychogenic disorders and respiratory and upper-GI related infections. The clinician or surgeon should 1) document assessment of the patient's voice once a decision has been made to proceed with thyroid surgery ; 2) examine vocal fold mobility, or refer the patient to a clinician who can examine vocal fold mobility 3) examine vocal fold mobility, or refer the patient to a clinician who can examine vocal fold mobility, once a decision has been made to proceed with thyroid surgery 4) educate the patient about the potential impact of thyroid surgery on voice once a decision has been made to proceed with thyroid surgery ; 5) inform the anesthesiologist of the results of abnormal preoperative laryngeal assessment in patients who have had laryngoscopy prior to thyroid surgery ; 6) take steps to preserve the external branch of the surperior laryngeal nerve(s) when performing thyroid surgery ; 7) document whether there has been a change in voice between 2 weeks and 2 months following thyroid surgery ; 8) examine vocal fold mobility or refer the patient for examination of vocal fold mobility in patients with a change in voice following thyroid surgery ; 9) refer a patient to an otolaryngologist when abnormal vocal fold mobility is identified after thyroid surgery ; 10) counsel patients with voice change or abnormal vocal fold mobility after thyroid surgery on options for voice rehabilitation.

• 한국산학기술학회논문지
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• 제14권12호
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• pp.6296-6301
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• 2013

본 연구는 후두 손상 후 목소리 장애로 인해 스트레스변화에 미치는 영향을 알아보고자 SD계 랫드에 후두손상을 유발시킨 후 실험동물에서 나타나는 변화와 스트레스 경감효과에 미치는 영향을 진정작용이 있는 칡잎추출물을 투여 후 변화를 보고자 하였다. 실험은 정상군, 대조군, 실험군(1, 2)으로 하여 군당 6마리씩 총 24마리를 이용하였고, 지정된 용량으로 1일 1회 일정한 시간대에 주 6회씩 5주간 경구투여 후 항산화실험과 분자화학적 검사를 하였다. 결과는 정상군에 비하여 대조군에서는 통계적으로 유의성 있게 높았으며(p<0.05), 실험군에서는 대조군에 비해 통계적 유의성 있게 낮아져(p<0.05), 정상군보다도 좋게 나타났다. 실험결과를 종합해 보면 칡잎추출물은 대조군과 비교 할 때 통계적으로 유의성 있는 변화를 확인하였다. 따라서 칡잎추출물 투여 시 스트레스 경감효과에 효과가 있는 것으로 사료된다.

• 대한후두음성언어의학회지
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• 제24권2호
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• pp.88-95
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• 2013

In recent years, the application of injection laryngoplasty to a variety of laryngeal disorders has regained popularity. The technique of injection laryngoplasty has several appealing qualities including relative technical ease, low cost, and wide availability in many clinical settings. A growing number of injectable substances and injection methods have been developed. This review is intended to provide an updated discussion of indications, materials, and techniques for injection laryngoplasty.

• 대한후두음성언어의학회지
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• 제25권2호
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• pp.86-89
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• 2014

Functional dysphonia (FD) is a voice disorder in the absence of structural or neurologic laryngeal pathology. FD is not a single disease but a disease entity. Therefore several voice disorders, which have completely different pathogenesis, are included in this category. The first step of treatment of FD is differentiating patient's voice symptoms from other organic voice disorders and other functional voice problems. Several different treatment modalities are included in the managements of FD. Voice therapy is in charge of the main role in treatment of FD. Medical treatment is also necessary when patient has general problems which would affect voice production. Vocal folds mucosal lesions can cause FD even the lesion is minor. In this case proper surgical intervention helps to improve the symptom of FD. Psychiatric consultation should be considered when the patient has psychological problems.

• 대한후두음성언어의학회지
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• 제17권1호
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• pp.28-37
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• 2006

Purpose: Evaluation of vocal cord vibration is very important in cases of voice disorders. There are several equipments for examining the vocal fold vibration such as laryngeal stroboscope, ultra high-speed digital imaging system, and videokymograph. Among these, laryngeal stroboscope is the most popular equipment because of easy to examine the laryngeal pathology. However, current laryngo-stroboscopes are too bulky to move and relatively expensive. The purpose of this research is to develope a portable laryngeal stroboscope of equivalent performance with the current equipments. Methods and Materials: Recently developed high luminescent white LEDs(light emitting diodes) are placed at the head of the endoscope as light sources for the CCD image sensor which is also placed at the head with imaging lens. This arrangement eliminates the bulky light source like expensive halogen or xenon lamps as well as the optical light guiding cables. The LEDs are controlled to flash in phase with the voice frequency of the examinee. The CCD captures these strobo images and converts them into video signals for examinations. Results: There was no functional differences between preexisting stroboscope and the newly developed stroboscope of this study. LED light sources and microprocessor based control circuits of the stroboscope enabled the development of flicker-less, hand-held, portable and battery-operating stroboscope. Conclusion: The developed stroboscope is cost-effective, small-sized, easy to use and very easy desirable to bring and to use in any place.

• 대한후두음성언어의학회지
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• 제13권2호
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• pp.164-172
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• 2002

The role of botulinum toxin as a therapeutic agent is expanding rapidly in otolaryngology. Botulinum toxin is a protease that blocks the release of acetylcholine from nerve terminals. Its effects are transient and nondestructive, and largely limited to the area in which it is administered These effects are also graded according to the dose, allowing for individualized treatment of patients and disorders. Botulinum toxin has been used primarily to treat disorders of excessive or inappropriate muscle contraction. In the field of otolaryngology, these include spasmodic dysphonia, oromandibular dystonia, and blepharospasm, vocal tics and stuttering, cricopharyngeal achalasia, various tremors and tics, hemifacial spasm, temporomandibular joint disorders and a number of cosmetic applications. Botulinum toxin treatment has recently begun to show some benefit in the control of pain from migraine and tension headache. It may also prove useful in the control of autonomic dysfunction, as in Frey syndrome, sialorrhea, and rhinorrhea. In over 20 yews of use in humans, botulinum toxin has accumulated a considerable safety record, and in many cases represents relief for thousands of patients unaided by other therapy.

• 대한후두음성언어의학회지
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• 제27권2호
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• pp.108-113
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• 2016

Background and Objectives : After thyroidectomy, many patients experience problems report such things as reduced voice range and vocal fatigue, swallowing problems without superior and recurrent laryngeal nerve injury. The purpose of this study was to evaluate voice and swallowing problems before and after thyroid surgery without laryngeal nerve injury. Materials and Methods : Ninety-three patients who underwent thyroidectomy without laryngeal nerve injury and completed the follow-up evaluations were studied between June 2013 and December 2015. Each evaluation was performed preoperatively, as well as 1 week, 1 month postoperatively. Analysis was performed including voice handicap index (VHI), dysphagia handicap index (DHI), and acoustic voice analysis. Results : Patients show significant variation of parameters in the fundamental frequency (F), maximal phonation time (MPT), shimmer, jitter and soft phonation index (SPI) early after operation, and most of them showed recovery of parameters after 1month of operation. Perceptive complaint of voice and swallowing also showed significant decreased after operation (p<0.005). After 1month of operation, MPT, highest frequency and frequency ranges still showed significant decreased parameters. Comparing acoustic and perceptive parameters of total thyroidectomy and lobectomy, there was no significant changes between them except highest frequency (p=0.042). Conclusion : The results from both subjective and objective evaluations show voice and swallowing disturbance after thyroidectomy even in the absence of laryngeal nerve and provide patients information about the recovery process after surgery. Highest frequency parameter showed most significant changes after operation.