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    Wyświetlanie 1-8 z 8
    Tytuł:
    Auditory ossicles in Scanning Electron Microscopy
    Autorzy:
    Wiatr, Agnieszka
    Składzień, Jacek
    Wiatr, Maciej
    Powiązania:
    https://bibliotekanauki.pl/articles/1397399.pdf
    Data publikacji:
    2020-05-12
    Wydawca:
    Index Copernicus International
    Tematy:
    middle ear surgery
    ossicular chain
    Scanning Electron Microscope
    Opis:
    Introduction: Knowledge about the physiology of a healthy middle ear is essential for understanding the activity and mechanics of the ear as well as the basics of ossiculoplasty. Trauma of the epithelial lining of the tympanic cavity as well as the ossicular chain may be the result of chronic inflammation and surgery. Depending on the observed changes of the middle ear lining, there are several types of distinguished chronic inflammatory changes: simple, with cholesteatoma, with the formation of inflammatory granulation tissue, in course of specific diseases. Purpose: The aim of the article is presentation of the microstructure and vasculature of the ossicular chain in the Scanning Electron Microscope. Particular attention is drawn to the anatomical aspects of the structure and connections of auditory ossicles as vital elements for reconstruction of the conduction system of the middle ear. Material and method: The analysis covered auditory ossicles standardly removed in accordance with the methodology of the investigated surgical procedures. The preparations were evaluated in a scanning electron microscope. Results: The exposure of bone surface promotes deep erosion. The advanced process of destruction of bone surface in the case of chronic otitis media correlates with a significant degree of damage to both the lining covering the auditory ossicles and that surrounding articular surfaces. Conclusions: (1) The ossicles in the image of the Scanning Electron Microscope are covered with lining. It passes from the surface of the ossicles to the vascular bundles, forming vascular sheaths; (2) Damage to lining continuity on the surface of the auditory ossicles promotes the rapid destruction of bone tissue in the inflammatory process; (3) The dimensions of the individual ossicles are respectively: malleus – 8.36 +/- 0.01, incus – 8.14 +/- 0.0, stapes – 3.23 +/- 0.01 mm. Behavior of the anatomical length of ossicular chain during tympanoplasty appears to be essential to maintaining adequate vibration amplitude of the conductive system of the middle ear.
    Źródło:
    Polish Journal of Otolaryngology; 2020, 74, 4; 1-7
    0030-6657
    2300-8423
    Pojawia się w:
    Polish Journal of Otolaryngology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Chronic suppurative otitis media with cholesteatoma and chronic otitis media with granulation investigated by scanning electron microscope based on an analysis of 140 patients
    Autorzy:
    Wiatr, Agnieszka
    Job, Katarzyna
    Składzień, Jacek
    Wiatr, Maciej
    Powiązania:
    https://bibliotekanauki.pl/articles/1397266.pdf
    Data publikacji:
    2021
    Wydawca:
    Index Copernicus International
    Tematy:
    bone defects
    chronic otitis media
    inflammatory granulation
    scanning electron microscope
    structure of cholesteatoma
    Opis:
    Introduction: Chronic purulent cholesteatoma of the middle ear, as well as to a lesser extent chronic granulomatous otitis media, lead to destruction of bone structures within the middle ear space. The above process is controlled by the OPG/RANKL/RANK system. Aim: The aim of the study is a comparative analysis of surgical material obtained from patients with diagnosed chronić cholesteatoma and chronic otitis media with inflammatory granulation in the assessment of the Scanning Electron Microscope (SEM). Material and methods: An analysis of 140 patients operated on due to chronic otitis media was performed. Forty patients who had been diagnosed with chronic cholesteatoma of the middle ear and chronic granulomatous otitis media were selected for a detailed analysis in the SEM. The final study under SEM included 20 patients. Results: The regular structure of cholesteatoma depicted in the SEM concerned 5 patients. In the remaining 7 patients, the system was irregular and even chaotic. The lack of regularity can also be observed in the case of granulation tissue, which in the SEM image presented itself as an irregular tissue mass without detectable regularities. Conclusions: (1) The regular pattern of the cholesteatoma matrix cells observed in some patients with chronic cholesteatoma of the middle ear reduces the molecular permeability of inflammatory cytokines, concurrently limiting the destructive activity on bone structures; (2) the presence of inflammatory granulation tissue in the middle ear is accompanied by an influx of leukocytes: neutrophils and lymphocytes, which are the source of pro-inflammatory cytokines, the growth of which activates the processes leading to the damage of bone tissue and the development of inflammation; (3) no specimen of acquired cholesteatoma revealed the presence of commensal organisms from Demodex species on the surface of the exfoliated human epithelium.
    Źródło:
    Polish Journal of Otolaryngology; 2021, 75, 3; 21-27
    0030-6657
    2300-8423
    Pojawia się w:
    Polish Journal of Otolaryngology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Impact of surgery in otosclerosis on the non-operated ear
    Autorzy:
    Wiatr, Agnieszka
    Job, Katarzyna
    Składzień, Jacek
    Wiatr, Maciej
    Powiązania:
    https://bibliotekanauki.pl/articles/1397275.pdf
    Data publikacji:
    2021
    Wydawca:
    Index Copernicus International
    Tematy:
    otosclerosis
    Carhart's notch
    stapedotomy
    non-operated ear
    Opis:
    Backgrounds Otosclerosis is an underlying disease of the bony labyrinth. The hearing loss is most often of conductive nature, in some cases the involvement of the bony part of the cochlea results in mixed hearing loss. Aims: The aim of the analysis was to answer the question whether a surgery on one of the ears affects the state of the other ear in the course of otosclerosis. Methods The analysis included 140 patients hospitalized and operated on between 2010 - 2016. Only patients who had not had a surgical operation within the middle ear due to otosclerosis prior to the study were included in it. An audiological assessment was performed with the use of pure tone threshold audiometry taking into account. Results In the group of patients with no Carhart's notch, the mean threshold of bone conduction was statistically lower than before the procedure for the frequencies of 500, 1000 Hz and statistically equal for the frequency of 2000 Hz. The same analysis in the group of patients with Carhart's notch present in the pre-surgical tonal audiogram of the non-operated ear showed a statistically significant lower value of the post-surgical threshold bone conduction value. Conclusion It was confirmed the possibility of improving the hearing of the non-operated ear after the stapedotomy of the opposite ear, in the author's own studies by an average of 5 dB in the low-frequency range.
    Źródło:
    Polish Journal of Otolaryngology; 2021, 75, 2; 15-20
    0030-6657
    2300-8423
    Pojawia się w:
    Polish Journal of Otolaryngology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Factors that have an influence on bone conduction thresholds changes after otosurgery in the patients operated on due to the perforation of the tympanic membrane with the preserved ossicular chain
    Autorzy:
    Wiatr, Maciej
    Wiatr, Agnieszka
    Kocoń, Sebastian
    Składzień, Jacek
    Powiązania:
    https://bibliotekanauki.pl/articles/1398515.pdf
    Data publikacji:
    2017
    Wydawca:
    Index Copernicus International
    Tematy:
    bone conduction
    miryngoplasty
    chronic otitis media
    Opis:
    Introduction: The aim of the middle ear surgery is to eliminate abnormalities from the mucous, ensure the due airing of the postoperative cavity and reconstruct the sound-conducting system in the middle ear. Numerous reports can be found in literature on the changes to bone conduction as a consequence of middle ear surgery. Study objective: The aim of the work is to define the factors that affect bone conduction in the patients operated on due to the perforation of the tympanic membrane with the preserved and normal mobile ossicular chain. Material and method: A prospective analysis of patients operated on due to diseases of the middle ear in 2009–2012 was carried out. The cases of patients operated on for the first time due to chronic otitis media were taken into consideration. The analysis encompassed the patients who had undergone myringoplasty. The patients were divided into several groups taking into account the abnormalities of the mucous observed during otosurgery. Results: A significant improvement of bone conduction was observed in the patients with dry perforation, without other lesions in the middle ear. The appropriate pharmacological treatment before otosurgery in patients with permanent discharge from the ear resulted in significant bone conduction improvement. The elimination of granulation lesions turned out to be a positive factor for the future improvement of the function of the inner ear. Conclusions: The lack of abnormalities on the mucous of the middle ear (e.g. granulation,) and discharge has a positive impact on improvement of bone conduction after myringoplasty. Adhesions in the tympanic cavity, especially in the niche of the round window, have a negative impact on improvement of bone conduction in patients after myringoplasty.
    Źródło:
    Polish Journal of Otolaryngology; 2017, 71, 4; 26-33
    0030-6657
    2300-8423
    Pojawia się w:
    Polish Journal of Otolaryngology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Launching of a cochlear implant program at the Cracow Otolaryngology Clinic
    Autorzy:
    Wiatr, Maciej
    Niemczyk, Kazimierz
    Składzień, Jacek
    Wiatr, Agnieszka
    Powiązania:
    https://bibliotekanauki.pl/articles/1399610.pdf
    Data publikacji:
    2019
    Wydawca:
    Index Copernicus International
    Tematy:
    Cochlear implant
    sensorineural deafness
    hearing loss treatment
    Opis:
    Introduction: It is estimated that hearing impediment affects approximately 12% of the population. Some forms of hearing disorders can be successfully treated conservatively, while in others surgery plays a key role. Often, therapeutic methods are exhausted and the patient faces the decision about the need for acoustic organ prosthesis. Depending on the causes of anomalies, apparatus for air conduction, bone conduction or cochlear implants are used. A cochlear implant replaces the damaged sensory cells of the inner ear. It constitutes an electronic prosthesis of the acoustic organ, composed of two parts. The internal part (implanted in the inner ear) consists of an implant and electrodes, which conduct electrical signals to the cochlea. The external part consists of a microphone, a speech processor, and a transmitter. Care report: A 70-year-old patient with deep hearing loss in the right ear and deafness of the left ear. During the interview, the patient denied mechanical injuries of the head and neck, acoustic trauma, inflammation or otorrhea. Based on the conducted tests, qualification otolaryngology, audiology, and otoneurology, radiology, surdologopedy and psychology were performed for cochlear implant insertion. The patient was qualified for cochlear implantation in the left ear under general anesthesia. The surgical team was composed of dr hab. Maciej Wiatr, prof. dr hab. Kazimierz Niemczyk, prof. dr hab. Jacek Składzień, MD Agnieszka Wiatr with anesthetic monitoring under the supervision of MD Renata Witkowska. The patient was discharged home on day 7 after surgery in good general and local condition. Simultaneous rehabilitation was started at the Center for Daily Rehabilitation of Hearing and Speech at the Specialist Center of Diagnosis and Rehabilitation for Children and Adolescents with Hearing Disabilities of the Polish Association of the Deaf in Cracow.
    Źródło:
    Polski Przegląd Otorynolaryngologiczny; 2019, 8, 1; 1-6
    2084-5308
    2300-7338
    Pojawia się w:
    Polski Przegląd Otorynolaryngologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of preserved stapedial superstructure on hearing improvement
    Autorzy:
    Boroń, Aleksandra
    Wiatr, Agnieszka
    Składzień, Jacek
    Wiatr, Maciej
    Powiązania:
    https://bibliotekanauki.pl/articles/1397296.pdf
    Data publikacji:
    2020
    Wydawca:
    Index Copernicus International
    Tematy:
    chronic otitis media
    stapedial superstructure
    tympanoplasty
    Opis:
    Introduction: Ossiculoplasty can be carried out in a number of ways, depending on the anatomical and functional conditions encountered during otosurgery and the experience of a given centre. The extent of damage to the ossicular chain determines the reconstruction method. Aim: The objective of the study was to analyse treatment effects in terms of postoperative hearing improvement in patients with chronic otitis media, with a particular emphasis on stapedial superstructure preservation. Material and method: The records of 294 consecutive patients undergoing their first ENT surgery due to chronic otitis media at the Department of Otolaryngology of Collegium Medicum, Jagiellonian University of Kraków in 2009–2013 were analysed. In order to assess the role of preserved stapedial superstructure, 96 patients were eligible for further analysis. Results: The analysis points to a significant hearing improvement after ossiculoplasty with the preserved stapedial superstructure as compared with the patients after footplate mobilisation. On the other hand, the research results point to significantly smaller hearing improvement in those patients, in whom only stapes was preserved, as compared with those, in whom a more extensive reconstruction of the ossicular chain was possible. Conclusions: The air-bone gap measured before otosurgery often fails to reflect the extent of abnormalities and cannot, therefore, be considered as the only prognostic factor for postoperative hearing improvement. Stapes preservation is crucial for hearing improvement after middle ear surgery.
    Źródło:
    Polish Journal of Otolaryngology; 2020, 74, 1; 17-22
    0030-6657
    2300-8423
    Pojawia się w:
    Polish Journal of Otolaryngology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of diagnostic-therapeutic results after the first year of life in children of hearing disturbance risk groups
    Autorzy:
    Kocoń, Sebastian
    Wiatr, Agnieszka
    Hartwich, Patryk
    Stręk, Paweł
    Ziarno, Remigiusz
    Składzień, Jacek
    Wiatr, Maciej
    Powiązania:
    https://bibliotekanauki.pl/articles/1398129.pdf
    Data publikacji:
    2018
    Wydawca:
    Index Copernicus International
    Tematy:
    diagnostics of hearing impairement in children
    hearing screening tests
    risk factors of hearing impairmants in children
    Opis:
    Introduction: It is assumed that the critical period for diagnosis of hearing disorders is the baby’s first three months of life and that appropriate course and implementation of treatment and/or rehabilitation should begin before a child is six months old. However various kinds of problems may occur during auditory screening of a child may exceed this interval. Aim: The aim of this study was an evaluation of auditory screening results for children over 12 months old with congenital hearing loss. Material and methods: Results from 250 children were analyzed retrospectively. The study group consisted of children between one and three months old observed between 2015–2016. For the purpose of this analysis we divided the patients into four groups: • children with Down Syndrome • children with nervous system disorders • children with cleft palate or both cleft palate and lip • and children with congenital CMV. To discuss performed diagnostics and treatment two groups of children were esteblished: • with implementation of appropriate course of treatment • without instituted treatment. Results: 250 children were examined in Level III NICUs in the years 2015–2016. The highest proportion of children with the implemented course of proceedings, was in groups with children with congenital CMV (71,1%). The highest proportion of children substituted with a hearing prosthesis was observed in the group of children with Down Syndrome. The lowest proportion of children with the implemented course of proceedings, was in groups with children with cleft palate or both cleft palate and lip (41,6%). Conclusions: • Early implementation of treatment and/or rehabilitation in children with hearing disorders is crucial to prevent depression of speech and psychological development. I t is important in children with cleft palate or both cleft palate and lip even if surgical correction is discussed. • The highest proportion of children with the implemented course of proceedings, was in groups with children with congenital CMV. This children should be observed despite of right results of hearing tests. • In children with nervous system disorders 1 year period of observation is too short to exclude problems with hearing.
    Źródło:
    Polish Journal of Otolaryngology; 2018, 72, 3; 11-18
    0030-6657
    2300-8423
    Pojawia się w:
    Polish Journal of Otolaryngology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rehabilitation after surgical treatment of retrobulbar tumors
    Autorzy:
    Składzień, Jacek
    Wiatr, Agnieszka
    Wiatr, Maciej
    Romanowska-Dixon, Bożena
    Gniadek-Batko, Dominika
    Gawlik, Jolanta
    Zielińska-Kubatko, Anna
    Wróbel, Agnieszka
    Powiązania:
    https://bibliotekanauki.pl/articles/1397307.pdf
    Data publikacji:
    2020
    Wydawca:
    Index Copernicus International
    Tematy:
    diplopia
    orbit’s tumors
    rehabilitation of the muscles which are responsible for the movement of the eyeball
    surgery of the orbit
    Opis:
    The authors propose a set of rehabilitation exercises concerning the muscles which are responsible for movement of the eyeball. After surgical treatments of retrobulbar tumors, the function of the eyeball muscles is often inadequate. Some compensation should be created at the level of the central nervous system, which means trigging adaptation, substitution and habituation. The exercises should be started just after the patient is awakened: first in the horizontal position, then sitting position and finally standing position. The highest number of exercises should be done in the direction of extreme diplopia
    Źródło:
    Polish Journal of Otolaryngology; 2020, 74, 5; 7-10
    0030-6657
    2300-8423
    Pojawia się w:
    Polish Journal of Otolaryngology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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