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Papers by Marcela Peña

Journal of Experimental Psychology-general, 2006

Proceedings of The National Academy of Sciences, 2008

European Review, 2008

Page 1. European Review, Vol. 16, No. 4, 429–444 r 2008 Academia Europæa doi:10.1017/S10627987080... more Page 1. European Review, Vol. 16, No. 4, 429–444 r 2008 Academia Europæa doi:10.1017/S1062798708000392 Printed in the United Kingdom What Infants Know and What They have to Learn about Language JACQUES ...

Proceedings of The National Academy of Sciences, 2003

Proceedings of The National Academy of Sciences, 2010

Psychological Science, 2007

Jcr-journal of Clinical Rheumatology, 1996

Septic arthritis is an unusual complication of Sporothrix schenckii infection. Its diagnosis can ... more Septic arthritis is an unusual complication of Sporothrix schenckii infection. Its diagnosis can be very difficult, mainly because of low clinical suspicion, special media needed for its culture, and low density of the organism in biopsy specimens. We present a case of a woman with disseminated Sporothrix schenckii infection and polyarthritis. Although rare, this wide dissemination of fungus and polyarthritis occurred in an initially immunocompetent patient. Steroid therapy given for suspected vasculitis might have worsened her condition.

Transplantation Proceedings, 2010

Postoperative bleeding is one of the most frequent complications after cardiac surgery, leading t... more Postoperative bleeding is one of the most frequent complications after cardiac surgery, leading to longer stays in the intensive care unit (ICU) and the hospital as well as increased morbidity and mortality. We designed an observational prospective study to evaluate early complications after cardiac transplantation, focusing on major bleeding and transfusion requirements. We also evaluated whether massive transfusion was related to increased morbidity and mortality. In patients who received ≥6 blood units, we observed significant differences regarding the need for continuous renal replacement techniques (50% vs 12.5%; P=.01) and ICU mortality (33.3% vs 4%; P=.01). This difference in mortality was also observed when comparing plasma transfusion requirements (35.3% vs 9.4%; P=.04). The overall mortality rate was 24.50%, showing significant differences in patients with massive transfusion (83.3% vs 37.8%; P=.008). In conclusion, perioperative bleeding and massive transfusion were associated with increased morbidity and mortality in this group of patients, which may prompt a review of surgical procedures and the introduction of new techniques, such as thromboelastography.

Journal of Experimental Psychology-general, 2006

Proceedings of The National Academy of Sciences, 2008

European Review, 2008

Page 1. European Review, Vol. 16, No. 4, 429–444 r 2008 Academia Europæa doi:10.1017/S10627987080... more Page 1. European Review, Vol. 16, No. 4, 429–444 r 2008 Academia Europæa doi:10.1017/S1062798708000392 Printed in the United Kingdom What Infants Know and What They have to Learn about Language JACQUES ...

Proceedings of The National Academy of Sciences, 2003

Proceedings of The National Academy of Sciences, 2010

Psychological Science, 2007

Jcr-journal of Clinical Rheumatology, 1996

Septic arthritis is an unusual complication of Sporothrix schenckii infection. Its diagnosis can ... more Septic arthritis is an unusual complication of Sporothrix schenckii infection. Its diagnosis can be very difficult, mainly because of low clinical suspicion, special media needed for its culture, and low density of the organism in biopsy specimens. We present a case of a woman with disseminated Sporothrix schenckii infection and polyarthritis. Although rare, this wide dissemination of fungus and polyarthritis occurred in an initially immunocompetent patient. Steroid therapy given for suspected vasculitis might have worsened her condition.

Transplantation Proceedings, 2010

Postoperative bleeding is one of the most frequent complications after cardiac surgery, leading t... more Postoperative bleeding is one of the most frequent complications after cardiac surgery, leading to longer stays in the intensive care unit (ICU) and the hospital as well as increased morbidity and mortality. We designed an observational prospective study to evaluate early complications after cardiac transplantation, focusing on major bleeding and transfusion requirements. We also evaluated whether massive transfusion was related to increased morbidity and mortality. In patients who received ≥6 blood units, we observed significant differences regarding the need for continuous renal replacement techniques (50% vs 12.5%; P=.01) and ICU mortality (33.3% vs 4%; P=.01). This difference in mortality was also observed when comparing plasma transfusion requirements (35.3% vs 9.4%; P=.04). The overall mortality rate was 24.50%, showing significant differences in patients with massive transfusion (83.3% vs 37.8%; P=.008). In conclusion, perioperative bleeding and massive transfusion were associated with increased morbidity and mortality in this group of patients, which may prompt a review of surgical procedures and the introduction of new techniques, such as thromboelastography.

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