{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,21]],"date-time":"2025-10-21T03:19:39Z","timestamp":1761016779769},"reference-count":9,"publisher":"Oxford University Press (OUP)","issue":"765","license":[{"start":{"date-parts":[[1989,7,1]],"date-time":"1989-07-01T00:00:00Z","timestamp":615254400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[1989,7,1]]},"abstract":"<jats:title>Summary<\/jats:title>\n               <jats:p>It is well recognized that upper airways obstruction by adenotonsillar hypertrophy can lead to cor pulmonale, but delays in diagnosis still occur, leading to an appreciable morbidity and even occasional mortality. In the case presented, echocardiographic recognition of right ventricular enlargement and abnormal pulmonary valve motion served to complement and confirm the clinical diagnosis. Following surgical relief of the airways obstruction, the echocardiographic examination usefully documented the regression in right ventricular size and the return to normality of pulmonary valve motion.<\/jats:p>","DOI":"10.1136\/pgmj.65.765.473","type":"journal-article","created":{"date-parts":[[2008,12,29]],"date-time":"2008-12-29T21:05:27Z","timestamp":1230584727000},"page":"473-475","source":"Crossref","is-referenced-by-count":7,"title":["Adenotonsillar hypertrophy and cor pulmonale: clinical and echocardiographic correlation"],"prefix":"10.1093","volume":"65","author":[{"given":"E B","family":"Kumar","sequence":"first","affiliation":[{"name":"Department of Cardiology, King Fahad Hospital , P.O. Box 204, Al-Baha , Kingdom of Saudi Arabia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"N S V","family":"Jaggarao","sequence":"additional","affiliation":[{"name":"Department of Cardiology, King Fahad Hospital , P.O. Box 204, Al-Baha , Kingdom of Saudi Arabia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[1989,7,1]]},"reference":[{"key":"ref_1","article-title":"Reversible cor pulmonale due to hypertrophied tonsils and adenoids","volume":"1965","author":"Noonan, J.A.","unstructured":"Noonan, J.A. Reversible cor pulmonale due to hypertrophied tonsils and adenoids. (Abstract). Circulation 1965, 32 (suppl II): 164.","journal-title":"(Abstract). 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Pediatr Clin North Am 1971, 18: 1262-1265.","journal-title":"Pediatr Clin North Am"},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"506","DOI":"10.1056\/NEJM196709072771003","article-title":"Hypertrophied adenoids causing pulmonary hypertension and severe cardiac failure","volume":"277","author":"Levy, A.M.; Tabakin, B.S.; Hanson, J.S.; Narkewicz, R.M.","year":"1967","unstructured":"Levy, A.M., Tabakin, B.S., Hanson, J.S. & Narkewicz, R.M. Hypertrophied adenoids causing pulmonary hypertension and severe cardiac failure. N Engl J Med 1967, 277: 506-511.","journal-title":"N Engl J Med"},{"issue":"30","key":"ref_5","first-page":"356","article-title":"Large tonsils and adenoids in small children with cor pulmonale","volume":"1968","author":"Ainger, L.E.","unstructured":"Ainger, L.E. Large tonsils and adenoids in small children with cor pulmonale. Br Heart J 1968, 30: 356-362.","journal-title":"Br Heart J"},{"issue":"118","key":"ref_6","first-page":"708","article-title":"Heart failure due to enlarged tonsils and adenoids","volume":"1969","author":"Cayler, G.G.; Johnson, E.E.; Lewis, B.E.; Kortzborn, J.D.; Jordan, J.; Fricker, G.A.","unstructured":"Cayler, G.G., Johnson, E.E., Lewis, B.E., Kortzborn, J.D., Jordan, J. & Fricker, G.A. Heart failure due to enlarged tonsils and adenoids. Am J Dis Child 1969, 118: 708-717.","journal-title":"Am J Dis Child"},{"key":"ref_7","first-page":"211","article-title":"In: EchocardiographyLea and Febiger","author":"Feigenbaum, H.","year":"1981","unstructured":"Feigenbaum, H. In: Echocardiography, 3rd edition. Lea and Febiger, Philadelphia, 1981, pp. 211-216.","edition":"3"},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"388","DOI":"10.1097\/00007611-198204000-00003","article-title":"Echocardiography in patients with suspected cor pulmonale","volume":"75","author":"Lesser, L.M.; Johnson, M.; Felner, J.M.; Hardison, J.","year":"1982","unstructured":"Lesser, L.M., Johnson, M., Felner, J.M. & Hardison, J. Echocardiography in patients with suspected cor pulmonale. South Med J 1982, 75: 388-391.","journal-title":"South Med J"},{"issue":"10","key":"ref_9","first-page":"461","article-title":"Tonsillar hypertrophy, cor pulmonale and cardiac failure","volume":"1981","author":"Vellayappan, K.; Ngiam, T.E.; Low, P.S.","unstructured":"Vellayappan, K., Ngiam, T.E. & Low, P.S. Tonsillar hypertrophy, cor pulmonale and cardiac failure. 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