• Patricia Lazo Meneses, Esteban Perez Rodriguez, Carolina Gotera, Deisy Barrios Barreto, Salvador Diaz Lobato, Paola Arrieta Narvaez, and Patricia Castro Acosta.
• Chest. 2014 Mar 1;145(3 Suppl):275A.

Session TitlePleural Disease/Pleural Effusion PostersSESSION TYPE: Poster PresentationsPRESENTED ON: Saturday, March 22, 2014 at 01:15 PM - 02:15 PMPURPOSE: Chylothorax is a type of pleural effusion (PE) that occurs infrequently. Chylous fluid appearance is not always present, and the routine inclusion of cholesterol and triglyceride levels is probably necessary.MethodsFrom 1994 to October 2012, 5,896 consecutive PE have been analyzed in the Pleura Unit from our hospital. Of these, 2,558 make up our database. A diagnosis of chylothorax was based on the presence of triglycerides (TGL) pleura / serum> 1, pleura TGL> 110mg/dl and cholesterol pleura / serum <1The statistical analysis used was descriptive stockings, SD and frequencies.ResultsOf the 2,558 PE, 1621 (63%) were male (mean age 65.8) and 937 (36.6%) women (mean age 64.5)Of the PE studied, 69 (2.64%) had TGPE> 110. Of the 69, there were 39 (56.5%) that met the criteria for chylothorax. Of the 30 (43.4%) remaining , 22 were excluded for having TGL pleura / serum <1. Of the PE with a confirmed diagnosis of chylothorax, only 13 had a chylous appearance, followed serofibrinous and purulent (Table N.1) The most frequent etiology of chylothorax were due to malignant, traumatic, liver diseases and miscellaneous (Table No.2)CONCLUSIONS: The triglyceride level should be studied routinely in all PE. Only 33.3% of the chylothorax pleural effusion, the fluid presents with a chylous appearance. The levels of triglycerides and cholesterol in pleural / serum are also routinely required because of the high occurrence of false negative.Clinical ImplicationsIt's important to analize the levels of triglycerid and cholesterol in pleural efussion because of the high incidence of false negative. Only 33% of pleural efussion, the fluid presents chylous appereance.DisclosureThe following authors have nothing to disclose: Patricia Castro Acosta, Deisy Barrios Barreto, Paola Arrieta Narvaez, Esteban Perez Rodriguez, Salvador Diaz Lobato, Patricia Lazo Meneses, Carolina GoteraNo Product/Research Disclosure Information.

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