DOI: 10.1177/000348949110001009. Implication of Surfactant Apoprotein in Otitis Media with Effusion

Implication of Surfactant Apoprotein in Otitis Media with Effusion

10.1177/000348949110001009

Crossref journal-article

SAGE Publications

Annals of Otology, Rhinology & Laryngology (179)

Abstract

A two-site simultaneous immunoassay using monoclonal antibodies against human surfactant apoprotein (SAP) was used to measure SAP in middle ear effusions (MEEs). In 130 MEE samples from children with otitis media with effusion, SAP was detected in 54 samples (SAP-positive cases, 41.5%). In the remainder, the SAP concentration was below the sensitivity of the immunoassay (SAP-negative cases, 58.5%). A significant difference in periods of observation was found between the SAP-positive cases (17.3 ± 16.8 months) and the SAP-negative cases (26.2 ± 22.5 months) (p < .01). The percentage of positive cases was highest in the serous MEE group (81.2%) and decreased in the purulent MEE group (57%), the mucoid MEE group (30%), and the hyperviscous MEE group (13.6%), in that order. In the purulent MEE group and the mucoid MEE group, the period of observation was significantly shorter in the SAP-positive cases (18.3 ± 20.4 months and 20.2 ± 19.4 months) than in the SAP-negative cases (35.9 ± 24.5 months and 25.4 ± 18.7 months) (p < .05). These results suggest that SAP is present in the middle ear cleft and may be a good prognostic predictor of otitis media with effusion in children.

Bibliography

Yamanaka, N., Kobayashi, K., Kuroki, Y., Kataura, A., & Akino, T. (1991). Implication of Surfactant Apoprotein in Otitis Media with Effusion. Annals of Otology, Rhinology & Laryngology, 100(10), 835â840.

Authors 5

Noboru Yamanaka (first)
Kazutoyo Kobayashi (additional)
Yoshio Kuroki (additional)
Akikatsu Kataura (additional)
Toyoaki Akino (additional)

References 15 Referenced 14

Dates

Type	When
Created	10 years, 10 months ago (Oct. 3, 2014, 2:38 p.m.)
Deposited	5 months, 4 weeks ago (March 2, 2025, 5:29 p.m.)
Indexed	5 months, 4 weeks ago (March 2, 2025, 6:10 p.m.)
Issued	33 years, 10 months ago (Oct. 1, 1991)
Published	33 years, 10 months ago (Oct. 1, 1991)
Published Online	33 years, 10 months ago (Oct. 1, 1991)
Published Print	33 years, 10 months ago (Oct. 1, 1991)

Funders 0

None

BibTeX

@article{Yamanaka_1991, title={Implication of Surfactant Apoprotein in Otitis Media with Effusion}, volume={100}, ISSN={1943-572X}, url={http://dx.doi.org/10.1177/000348949110001009}, DOI={10.1177/000348949110001009}, number={10}, journal={Annals of Otology, Rhinology & Laryngology}, publisher={SAGE Publications}, author={Yamanaka, Noboru and Kobayashi, Kazutoyo and Kuroki, Yoshio and Kataura, Akikatsu and Akino, Toyoaki}, year={1991}, month=oct, pages={835–840} }

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  "abstract": "<jats:p> A two-site simultaneous immunoassay using monoclonal antibodies against human surfactant apoprotein (SAP) was used to measure SAP in middle ear effusions (MEEs). In 130 MEE samples from children with otitis media with effusion, SAP was detected in 54 samples (SAP-positive cases, 41.5%). In the remainder, the SAP concentration was below the sensitivity of the immunoassay (SAP-negative cases, 58.5%). A significant difference in periods of observation was found between the SAP-positive cases (17.3 \u00b1 16.8 months) and the SAP-negative cases (26.2 \u00b1 22.5 months) (p &lt; .01). The percentage of positive cases was highest in the serous MEE group (81.2%) and decreased in the purulent MEE group (57%), the mucoid MEE group (30%), and the hyperviscous MEE group (13.6%), in that order. In the purulent MEE group and the mucoid MEE group, the period of observation was significantly shorter in the SAP-positive cases (18.3 \u00b1 20.4 months and 20.2 \u00b1 19.4 months) than in the SAP-negative cases (35.9 \u00b1 24.5 months and 25.4 \u00b1 18.7 months) (p &lt; .05). These results suggest that SAP is present in the middle ear cleft and may be a good prognostic predictor of otitis media with effusion in children. </jats:p>",
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