Browsing by Author "Mellado Talesnik, Patricio Andrés"

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    Infarto encefálico por embolia aérea. Caso clínico
    (2005) Mellado Talesnik, Patricio Andrés; Constanzo Parra, Freddy Mauricio; Miquel Poblete, Juan Francisco; Ibáñez Lazo, Patricio Fernando
    Ishemic stroke due to embolic air is uncommon. There are few reports of patients with air embolic stroke as a complication of endoscopic procedures. The temporal relationship between the stroke and this procedure is the most important clue for the diagnosis. CT scan and MRI of the brain are confirmatory tests. The morbidity and mortality is high. Patients should be hospitalizedin a critical care service and treated as soon as possible with oxygen in a pressure camera. We report a 52 years old woman with an ovarian cancer that, during an upper gastrointestinal endoscopy, had a severe alteration of consciousness that did not respond to the use of Flumazenil. A CT scan showed multiple areas of air embolism in the watershed are between anterior and middle right cerebral arteries. A conservative treatment was decided and the patients died 48 hours later.
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    Neuromyelitis optica spectrum disorders: Profile of a cohort according to the 2015 diagnostic criteria
    (Revista de Neurologia, 2017) Uribe San Martin, Reinaldo Moisés; Ciampi Diaz, Ethel Leslie; Galilea Izquierdo, Antonia; Sandoval Rubio, Patricio Alberto Mario; Miranda Vera, Héctor David; Mellado Talesnik, Patricio Andrés; Cárcamo Rodríguez, Claudia Andrea; Albornoz Cruz, Juan Pablo; Huete Garin, Isidro Álvaro
    The new 2015 criteria for neuromyelitis optica spectrum disorders (NMOSD) have been recently incorporated in the study of different international cohorts. Aim. To describe clinical-radiological characteristics and prognostic factors in patients with NMOSD according to the 2015 criteria. Patients and methods. Retrospective analysis of 36 patients diagnosed with NMOSD according to serologic AQP4 status (positive, negative, unknown and negative + unknown). Clinical and radiological characteristics were compared and possible disability prognostic factors were evaluated. Results. AQP4 were positive in 7 patients, negative in 12 and unknown in 17. Age of presentation was 36.6 ± 16 years, with higher female proportion (4:1). Mean disease duration was 7.4 ± 7.6 years. Most frequent presenting symptoms were acute myelitis (61%), optic neuritis (33%) and area postrema syndrome (11%). Most frequent MRI lesion was longitudinally extensive transverse myelitis (75%). All patients received acute treatment during attacks, and preventive treatment was used in 81% (azathioprine and rituximab mostly prescribed). Median EDSS was 2.0 at the end of follow-up. No differences were observed in any of the variables comparing serologic status. Age of first attack was prognostic, with direct correlation with EDSS. First attack in < 30 years was protective, meanwhile > 50 years old patients had increased risk of disability. Conclusions. The 2015 criteria allow the description and classification of NMOSD patients within different cohorts. Age of first attack seems to be a prognostic factor for developing disability.
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    Parche de sangre cervical para tratamiento de síndrome de hipotensión/ hipovolumen de líquido cefalorraquídeo espontáneo. Reporte de un caso
    (2022) Lacassie Quiroga, Héctor Javier; Mellado Talesnik, Patricio Andrés; Benavides Tala, Javiera Ignacia; De La Cuadra Fontaine, Juan Carlos; Cruz Quiroga, Juan Pablo; Díaz Lorenzo, José Pablo; Elgueta Le-beuffe, María Francisca
    Presentamos el tratamiento eficaz de una filtración espontánea de líquido cefalorraquídeo (LCR) asociada a un síndrome de hipotensión/hipovolumen de LCR a nivel cervical alto, caracterizado por delirio y hematomas subdurales secundarios, refractarios al drenaje quirúrgico, que se resolvió con dos parches de sangre epidurales cervicales consecutivos.