+ Resolve Article
+ Follow Us
Follow on FacebookFollow on Facebook
Follow on TwitterFollow on Twitter

+ Translate
+ Subscribe to Site Feed
GeoScience Most Shared ContentMost Shared Content

Etiologic significance of enlargement of the left atrial appendage in adults

, : Etiologic significance of enlargement of the left atrial appendage in adults. Radiology 142(1): 21-27

Fifty-one patients were divided into two groups: 20 patients with proven rheumatic mitral valve disease (RMVD) and 31 patients with left atrial enlargement (LAE) of a nonrheumatic etiology. The latter group included patients with ischemic papillary muscle dysfunction, mitral valve prolapse, and congestive cardiomyopathy. Radiographic studies showed that enlargement of the left atrial appendage (LAAE) was present in 18 of 20 rheumatics but in only one of 31 non-rheumatics. There was no direct relationship between enlargement of the LAA and radiographic or echocardiographic left atrial size, degree of pulmonary venous hypertension (PVH), or presence of atrial fibrillation. It is postulated that rheumatic inflammation of the LAA allows it to dilate out of proportion to the body of the left atrium. In the adult patient with radiographic findings of PVH, LAAE is a valuable and specific radiographic sign of rheumatic mitral valve disease.


PMID: 6458839

DOI: 10.1148/radiology.142.1.6458839

Other references

Fink, R.J.; Draugalis, J.; McGhan, W.F., 1989: Commitment to the profession of pharmacy: are there sex differences?. American Pharmacy Ns29(1): 28-34

Ge, X.Z., 1990: Rotate application of pesticides and resistance of red spider mites on Chinese hawthorn. Data on LC50s of red spider mites [Tetranychus] on Chinese hawthorn [Crataegus pinnatifida] are tabulated.

Gulas, J.; Opole, I.O.; Fallon, J.H., 1999: Web-based teaching of neuroscience Leveraging interactive technology to present vast quanities of information in real time. Society for Neuroscience Abstracts 25(1-2): 269

Martinez, J.A.tonio.; Zuberogoitia, I., 2002: Factors affecting the vocal behaviour of eagle owls Bubo bubo: effects of sex and territorial status. We performed a playback experiment in order to assess the efficiency of two methods for detecting Eagle Owls Bubo bubo and to assess factors affecting detection rates. On each experimental visit we recorded the number and sex of the responding owl...

Figueirido, B.; Tseng, Z.Jack.; Serrano-Alarcón, F.J.; Martín-Serra, A.; Pastor, J.F., 2014: Three-dimensional computer simulations of feeding behaviour in red and giant pandas relate skull biomechanics with dietary niche partitioning. The red (Ailurus fulgens) and giant (Ailuropoda melanoleuca) pandas are mammalian carnivores convergently adapted to a bamboo feeding diet. However, whereas Ailurus forages almost entirely on younger leaves, fruits and tender trunks, Ailuropoda re...

Bezdek, Ales, 2008: Synonymical notes on Apogonia cupreoviridis and A-nigroolivacea (Coleoptera : Scarabaeoidea : Melolonthidae : Diplotaxini). Based on study of primary types of some Palaearctic Apogonia Kirby, 1819 species, the following new synonymies are established: Apogonia cupreoviridis Kolbe, 1886 = A. nigroolivacea Heyden, 1886 syn. nov. = A. cupreoviridis miyakona Nomura, 1965...

Mbugua, J., 1990: Water resource use efficiency in Lake Basin area of Kenya. The use of water for domestic applications, agriculture, industry, and power generation in the Lake Basin area of Kenya is discussed. Water use is controlled by Lake Basin Development Authority, over a catchment area of 47 709 kmsuperscript 2. Cur...

Magona, J.W.; Walubengo, J.; Olaho-Mukani, W.; Jonsson, N.N.; Welburn, S.W.; Eisler, M.C., 2011: Spatial variation of tick abundance and seroconversion rates of indigenous cattle to Anaplasma marginale, Babesia bigemina and Theileria parva infections in Uganda. Tick abundance and seroconversion rates of 64 indigenous cattle in a mixed crop-livestock system in Uganda were investigated in a 14 months longitudinal study. Up to 1% of the cattle in Buyimini, Kubo, Nanjeho, Ojilai and Sitengo villages (high ti...

Wang, N.C.; Singh, M.; Adelstein, E.C.; Jain, S.K.; Mendenhall, G.Stuart.; Shalaby, A.A.; Voigt, A.H.; Saba, S., 2015: New-onset left bundle branch block-associated idiopathic nonischemic cardiomyopathy and left ventricular ejection fraction response to guideline-directed therapies: The NEOLITH study. Heart Rhythm 13(4): 933-942

Soroczan, W.; Gulanowska, H., 1971: Eggs and larvae of Enterobius vermicularis (L.) in the vagina of women. In a survey for the prevention of infections, 329 women, aged 18 to 83 years, were examined at a camp in Poland. 110 had Enterobius vermicularis in the alimentary canal and E. vermicularis eggs in the peri-anal region. 5 had eggs and 2 had larvae...