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EN
Introduction: Due to dynamic industrialisation smog became a frequent phenomenon in most developing cities. According to the last WHO report from Global Urban Ambient Air Pollution Database, Krakow has been classified in the 11th place among the most polluted cities in Europe. It seems to be an urgent issue because of the influence of air pollution on the condition of upper respiratory tract. Materials & Methods: In December 2015 there were 141 patients aged 17-91 years with upper respiratory tract diseases admitted to the phoniatric outpatient clinic in the University Hospital in Cracow. They suffered from cough, hoarseness and periodic aphonia. On the basis of the results of videolaryngostroboscopy 60 patients with exacerbation of the chronic laryngitis were selected into two numerically equal groups: from Cracow and from other places at least 60 km away. The groups were equal to each other also in three categories: sex, age and voice usage. The patients were referred to the Pedagogical University in Cracow for laryngography to evaluate the movement of the vocal folds and to trace a voice profile. Finally, there were two possible types of treatment – conventional pharmacotherapy or subterraneotherapy in the underground Health Resort in the "Wieliczka" Salt Mine. Results: Pearson correlation coefficient between the distance from the place of residence to Cracow and the scale of exacerbation of inflammation of upper respiratory tract presenting as vocal fold dysfunction was observed (r= 0,617; p<0,05). Conclusion: The place of residence (in or out of the industrial area) and exacerbations of chronic laryngitis are highly correlated. Air pollution seems to be the main factor influencing on the condition of upper respiratory tract. In our local conditions of Lesser Poland Voivodeship subterraneotherapy may be an interesting, non-invasive method preventing from exacerbations of upper respiratory tract diseases.
EN
Introduction: Due to dynamic industrialisation smog became a frequent phenomenon in most developing cities. According to the last WHO report from Global Urban Ambient Air Pollution Database, Krakow has been classified in the 11th place among the most polluted cities in Europe. It seems to be an urgent issue because of the influence of air pollution on the condition of upper respiratory tract. Materials & Methods: In December 2015 there were 141 patients aged 17-91 years with upper respiratory tract diseases admitted to the phoniatric outpatient clinic in the University Hospital in Cracow. They suffered from cough, hoarseness and periodic aphonia. On the basis of the results of videolaryngostroboscopy 60 patients with exacerbation of the chronic laryngitis were selected into two numerically equal groups: from Cracow and from other places at least 60 km away. The groups were equal to each other also in three categories: sex, age and voice usage. The patients were referred to the Pedagogical University in Cracow for laryngography to evaluate the movement of the vocal folds and to trace a voice profile. Finally, there were two possible types of treatment – conventional pharmacotherapy or subterraneotherapy in the underground Health Resort in the "Wieliczka" Salt Mine. Results: Pearson correlation coefficient between the distance from the place of residence to Cracow and the scale of exacerbation of inflammation of upper respiratory tract presenting as vocal fold dysfunction was observed (r= 0,617; p<0,05). Conclusion: The place of residence (in or out of the industrial area) and exacerbations of chronic laryngitis are highly correlated. Air pollution seems to be the main factor influencing on the condition of upper respiratory tract. In our local conditions of Lesser Poland Voivodeship subterraneotherapy may be an interesting, non-invasive method preventing from exacerbations of upper respiratory tract diseases.
EN
% Irregularity is a coefficient computed by Speech Studio software at laryngographical (electroglottographic) examination of the larynx. The authors analysed values of % Irregularity obtained in 3 patients with vocal fold paresis. The patients were followed up for 6 months. Laryngography was performed 3 times in each of them at 3 months’ intervals. The value of % Irregularity was elevated in all patients immediately after the onset of complaints. It decreased after 3 and 6 months in the patient who regained the mobility of the paralysed vocal fold and in the patient with effective functional compensation by the healthy vocal fold. The value of % Irregularity did not normalize in the remaining patient whose vocal fold did not regain its mobility. The value of % Irregularity seems to correlate with perceptual degree of dysphonia.
EN
Laryngograph Processor PCLX can be used to assess phonatory function of the larynx and the degree of impairment of the glottis closure in case of vocal fold palsy. The laryngograph measures electric impedance between two electrodes located on both sides of the neck at the level of thyroid cartilage of the larynx. The impedance is lowest when vocal folds are in median position and the glottis is closed. The device can eliminate the influence of other impedances within the neck on electroglottographic (EGG) tracings thanks to conducting rings surrounding the electrodes. EGG wave can be divided into three phases. The rapid increase of impedance at the beginning of the glottal cycle is caused by closing of the glottis and is called closing phase. It is followed by opening phase being result of separation of the vocal folds and opening of the glottis. Next phase is called open phase. This part of the wave corresponds to the time when glottis is open. The laryngograph is supplied with electrodes and a microphone. The EGG tracings can be acquired and analyzed in PCwave and PCpitch views. SpeechStudio 1.04 software, operating in Microsoft Windows environment, can also measure irregularity of the frequency of the glottal cycles. The irregularity is expressed in percent. A patient must repeat the test list a few times. The list is composed of single utterances of vowels, single words and phrases. A case of patient with left vocal fold palsy after viral infection of the upper respiratory airways is presented. The EGG wave at first measurement shows slightly prolonged closing phase and irregularity of 38%. After three months of treatment and follow-up the shape of the wave was closer to normal with irregularity of 14%. The patient’s voice was clinically normal. The aryngograph is useful tool for predicting clinical outcome in patients with vocal fold paresis.
PL
Do oceny funkcji fonacyjnej krtani stosuje się urządzenie zwane laryngografem. Znajduje ono zastosowanie w badaniu stopnia upośledzenia czynności głośni w przypadkach porażeń fałdów głosowych. Omówiono zasady działania laryngografu oraz sposób wykonania badania i interpretacji jego wyników. Przedstawiono przypadek chorego leczonego laryngologicznie z powodu porażenia lewego fałdu głosowego, powstałego w wyniku infekcji grypowej.
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