13. Investigations of the Normal Laryngeal Mucociliary Transport

2015 ◽  
pp. 90-94
Keyword(s):  
Mucociliary Transport

Liquid secretion inhibitors reduce mucociliary transport in glandular airways

2002 ◽  
Vol 283 (2) ◽  
pp. L329-L335 ◽  
Author(s):  
Stephen T. Ballard ◽  
Laura Trout ◽  
Anil Mehta ◽  
Sarah K. Inglis
Keyword(s):  
Beat Frequency ◽  
Anion Channel ◽  
Ciliary Beat Frequency ◽  
Mucociliary Transport ◽  
Transmembrane Conductance Regulator ◽  
Inhibitory Effects ◽  
Transmembrane Conductance ◽  
Regulator Protein ◽  
Liquid Absorption ◽  
Cf Transmembrane Conductance Regulator

Because of its possible importance in cystic fibrosis (CF) pulmonary pathogenesis, the effect of anion and liquid secretion inhibitors on airway mucociliary transport was examined. When excised porcine tracheas were treated with ACh to induce gland liquid secretion, the rate of mucociliary transport was increased nearly threefold from 2.5 ± 0.5 to 6.8 ± 0.8 mm/min. Pretreatment with both bumetanide and dimethylamiloride (DMA), to respectively inhibit Cl− and HCO[Formula: see text]secretion, significantly reduced mucociliary transport in the presence of ACh by 92%. Pretreatment with the anion channel blocker 5-nitro-2-(3-phenylpropylamino)benzoic acid similarly reduced mucociliary transport in ACh-treated airways by 97%. These agents did not, however, reduce ciliary beat frequency. Luminal application of benzamil to block liquid absorption significantly attenuated the inhibitory effects of bumetanide and DMA on mucociliary transport. We conclude that anion and liquid secretion is essential for normal mucociliary transport in glandular airways. Because the CF transmembrane conductance regulator protein likely mediates Cl−, HCO[Formula: see text], and liquid secretion in normal glands, we speculate that impairment of gland liquid secretion significantly contributes to defective mucociliary transport in CF.

scholarly journals Influence of corticosterone on tracheal mucociliary transport in pigeons.

1990 ◽  
Vol 52 (3) ◽  
pp. 496-499 ◽  
Author(s):  
Hirofumi KAI ◽  
Satoko YAMAMOTO ◽  
Kazuo TAKAHAMA ◽  
Takeshi MIYATA
Keyword(s):  
Mucociliary Transport

Correlations among Mucociliary Transport, Ciliary Function, and Ciliary Structure

1998 ◽  
Vol 12 (1) ◽  
pp. 53-58 ◽  
Author(s):  
Mark Jorissen
Keyword(s):  
Defense Mechanisms ◽  
Ex Vivo ◽  
Beat Frequency ◽  
Ciliary Beat Frequency ◽  
Preliminary Evidence ◽  
Relevant Parameter ◽  
Mucociliary Transport ◽  
Ciliary Dyskinesia ◽  
Ciliary Beat

Mucociliary transport is one of the most important defense mechanisms of the airway. Mucociliary transport time or rate, as measured using the saccharin test or the radioisotope technique, respectively, is clinically the most relevant parameter, although subject to large intra- and interindividual variability. There is no correlation between mucociliary transport in vivo and ciliary beat frequency ex vivo. Preliminary evidence demonstrates that mucociliary transport correlates with ciliary structure and orientation as investigated with transmission and scanning electron microscopy. A correlation is presented between ciliary beat frequency and secondary ciliary abnormalities. This correlation can best be described according to the logistic sigmoid model (r = 0.69). Based on these functional data, an ultrastructural distinction is proposed among normal (less than 5%), light (5 to 15%), moderate (15 to 25%), and severe (more than 25%) secondary ciliary dyskinesia.

Experimental study of the possibility of topical application of polyvinylpyrrolidone for epistaxis

2021 ◽  
pp. 15-19
Author(s):  
Viktoriya Valentinovna Bykova ◽  
Svetlana Aleksandrovna Chubka
Keyword(s):  
Experimental Study ◽  
Nasal Cavity ◽  
Topical Application ◽  
Nasal Packing ◽  
Recurrent Bleeding ◽  
Mucociliary Transport ◽  
Prolonged Stay ◽  
Bleeding Vessel ◽  
Recurrent Epistaxis ◽  
Local Fibrinolysis

Nasal packing is widely used in patients with epistaxis, especially in cases where it is impossible to electrocoagulate the bleeding vessel. The disadvantages of gauze packing are well known. First of all, this is the risk of recurrent bleeding after removing the tampons from the nose. The cause of recurrent epistaxis is the activation of local fibrinolysis during prolonged stay of the tampon in the nasal cavity. To overcome this drawback, we have proposed the topical application of polyvinylpyrrolidone (PVP). In an experiment on animals, the absence of a damaging effect of PVP on mucociliary transport was proved.

Luffa Operculata Affects Mucociliary Function of the Isolated Frog Palate

2005 ◽  
Vol 19 (4) ◽  
pp. 353-357 ◽  
Author(s):  
Mônica Aidar Menon-Miyake ◽  
Regiani Carvalho de Oliveira ◽  
Geraldo Lorenzi-Filho ◽  
Paulo Hilário Nascimento Saldiva ◽  
Ossamu Butugan
Keyword(s):  
Alternative Medicine ◽  
Nasal Mucosa ◽  
Beat Frequency ◽  
Ciliary Beat Frequency ◽  
The United States ◽  
Mucociliary Transport ◽  
Transport Velocity ◽  
Mucociliary Function ◽  
Frog Palate ◽  
Ciliary Beat

Background Luffa operculata is a medicinal plant used in homeopathic and alternative medicine. In the United States, it is sold in a purified spray form, whereas a homemade L. operculata dry fruit infusion (DFI) is commonly used in Latin America. The L. operculata DFI is applied intranasally, inducing profuse mucous secretion and relieving nasal symptoms. Nevertheless, this medication may cause irritation of the nasal mucosa, as well as epistaxis or anosmia. Given the growing popularity of alternative medicine, a decision was made to evaluate the effects of this substance on mucous membranes. Methods The effects of L. operculata DFI on mucociliary transport velocity, ciliary beat frequency, and transepithelial potential difference (PD) were evaluated in an isolated frog palate preparation. We tested 46 palates immediately before immersion and again at 5 and 20 minutes after immersion. Four groups (n = 10) were tested in frog Ringer: control; L. operculata DFI, 60 mg/L; 600 mg/L; and 1200 mg/L. An additional group was tested using L. operculata DFI prepared with water (600 mg/L of H2O, n = 6). Epithelial samples were harvested for ultrastructural study. Results In treated palates, mucociliary transport velocity and ciliary beat frequency decreased significantly (p < 0.001 and p < 0.008, respectively). There was a dose-dependent decrease in PD modulus (p < .007). Our PD findings indicated ion-fluid transport abnormalities, which were confirmed by transmission electron microscopy that showed enlargement of interepithelial spaces. Conclusion In this ex vivo model, the L. operculata DFI infusion promoted significant changes in the mucociliary function of the epithelium, suggesting that it is potentially noxious to human nasal mucosa.

scholarly journals Mucociliary Transport in Healthy and Cystic Fibrosis Pig Airways

2018 ◽  
Vol 15 (Supplement_3) ◽  
pp. S171-S176 ◽  
Author(s):  
Yuliang Xie ◽  
Lynda Ostedgaard ◽  
Mahmoud H. Abou Alaiwa ◽  
Lin Lu ◽  
Anthony J. Fischer ◽  
...  
Keyword(s):  
Cystic Fibrosis ◽  
Mucociliary Transport

scholarly journals Epithelial tethering of MUC5AC-rich mucus impairs mucociliary transport in asthma

2016 ◽  
Vol 126 (6) ◽  
pp. 2367-2371 ◽  
Author(s):  
Luke R. Bonser ◽  
Lorna Zlock ◽  
Walter Finkbeiner ◽  
David J. Erle
Keyword(s):  
Mucociliary Transport

scholarly journals Efektivitas salin hipertonik terhadap waktu transpor mukosiliar dan skor gejala hidung penderita rinitis alergi

2018 ◽  
Vol 47 (2) ◽  
pp. 123
Author(s):  
Woro Safitri ◽  
Dwi Reno Pawarti ◽  
Titiek Hidayati Ahadiah
Keyword(s):  
Clinical Trial ◽  
Allergic Rhinitis ◽  
Symptom Score ◽  
Saline Group ◽  
Nasal Symptom ◽  
Control Group ◽  
Mucociliary Transport ◽  
Transport Time ◽  
Total Nasal Symptom Score ◽  
The Mean

Latar belakang: Rinitis alergi (RA) adalah suatu penyakit inflamasi mukosa hidung yang diperantara oleh imunoglobulin E (IgE), setelah mukosa hidung terpapar alergen. Tujuan: Mengidentifikasi efektivitas cuci hidung salin hipertonik terhadap waktu transpor mukosiliar dan skor gejala hidung total (SGHT) pada penderita RA. Metode: Penelitian dilaksanakan pada bulan Juli hingga Desember 2016 di Poli Telinga Hidung Tenggorok – Bedah Kepala Leher Rumah Sakit Dr. Soetomo Surabaya. Uji klinis acak terkontrol pada 2 kelompok dengan desain control group in clinical trial. Pengambilan sampel dilakukan secara consecutive sampling. Uji korelasi yang digunakan adalah uji t berpasangan dan uji Wilcoxon. Hasil: Didapatkan sampel 42 penderita, yaitu 21 penderita pada kelompok loratadin, serta 21 penderita pada kelompok loratadin dan cuci hidung salin hipertonik. Didapatkan rerata penurunan transpor mukosiliar kelompok loratadin dan cuci hidung salin hipertonik lebih bermakna daripada kelompok loratadin (p=0,001). Penurunan transpor mukosiliar kelompok loratadin didapatkan rerata -2,30 (SD=2,77), kelompok loratadin dan cuci hidung salin hipertonik didapatkan rerata -6,27 (SD=3,91). Penurunan SGHT kelompok loratadin didapatkan rerata -2,48 (SD=1,72), sedangkan kelompok loratadin dan cuci hidung salin hipertonik didapatkan rerata -4,3 (SD=1,20). Kesimpulan: Penambahan cuci hidung salin hipertonik pada terapi loratadin lebih efektif dibandingkan terapi tunggal loratadin dalam menurunkan transpor mukosiliar dan SGHT pada penderita RA. Kata kunci: Loratadin, cuci hidung salin hipertonik, transpor mukosiliar, skor gejala hidung total, rinitis alergi ABSTRACT Background: Allergic rhinitis (AR) is a nasal mucous membrane inflamatory which mediated by Imunoglobulin E (IgE) after allergen exposure in nasal mucosa. Purpose: To identify the effectiveness of nasal hypertonic saline irrigation on reduction of mucociliary transport time (MCTT) and total nasal symptom score (TNSS) in AR patients. Methods: The was conducted from July until December 2016 in Oto Rhino Laryngology - Head and Neck Surgery of Dr. Soetomo Hospital Surabaya. The study was randomized controlled clinical trials on two groups, with the control group in clinical trial design. Paired t and Wilcoxon test was used as the correlation test. Results: There was 42 patients, 21 patients in loratadine group, and 21 patients in loratadine with hypertonic nasal saline group. The average of mucociliary transport time decrease of loratadine with hypertonic nasal saline group was more significant than loratadine group (p=0.001). The mean of decreasing mucociliary transport time in loratadine group was -2.30 (SD=2.77) and loratadine with hypertonic nasal saline group was -6.27 (SD=3.91). The mean of decreasing TNSS in loratadin group was -2.48 (SD=1.72), and loratadin with hypertonic nasal saline group was -4.3 (SD=1.20). Conclusions: The addition of hypertonic nasal saline in loratadine was more effective, compared to monotherapy of loratadine in decreasing mucociliary transport time and TNSS in patient with AR. Keywords: Loratadine, hypertonic nasal saline, mucociliary transport, total nasal symptom score, allergic rhinitis

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