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4.
Rev. esp. anestesiol. reanim ; 52(10): 627-630, dic. 2005. ilus, tab, graf
Artigo em Es | IBECS | ID: ibc-042094

RESUMO

La Cardiografía por Impedancia Torácica es una técnica de monitorización hemodinámica no invasiva. Se basa en el principio físico de impedancia, que puede definirse como la resistencia al flujo de una corriente eléctrica. Presentamos un caso de un paciente que fue sometido a trasplante cardiaco ortótopico, en el que se halló intraoperatoriamete la existencia de una vena cava superior con drenaje en el seno coronario. Ante la imposibilidad de una monitorización hemodinámica invasiva a través de catéter de Swan-Ganz, se optó por cardiografía por impedancia torácica. Se revisan las principales aplicaciones de esta técnica y la descripción de esta rara anomalía vascular


Thoracic impedance cardiography is a noninvasive hemodynamic monitoring technique based on the physical principal of impedance, which can be defined as resistance to electrical flow. We report the case of a man who underwent orthotopic heart transplantation, during which the superior vena cava was found to drain into the coronary sinus. Impedance cardiography was used because hemodynamics could not be monitored invasively with a Swan-Ganz catheter. We describe the main applications of impedance cardiography and the characteristics of this rare vascular anomaly


Assuntos
Masculino , Humanos , Cardiografia de Impedância/instrumentação , Cardiografia de Impedância/métodos , Anomalias dos Vasos Coronários/diagnóstico , Monitorização Fisiológica/métodos , Veia Cava Superior/anormalidades , Anormalidades Cardiovasculares/diagnóstico , Anormalidades Cardiovasculares/fisiopatologia , Anomalias dos Vasos Coronários/fisiopatologia , Cateterismo Cardíaco , Transplante de Coração , Hemodinâmica , Cuidados Pós-Operatórios , Edema Pulmonar/etiologia , Edema Pulmonar/cirurgia , Cardiomiopatia Dilatada/cirurgia
5.
Rev Esp Anestesiol Reanim ; 51(10): 568-75, 2004 Dec.
Artigo em Espanhol | MEDLINE | ID: mdl-15641601

RESUMO

OBJECTIVE: [corrected] To study the analgesia, hemodynamic stability and inflammatory response in patients undergoing carotid endarterectomy under different types of general anesthesia. MATERIALS AND METHODS: A comparison of 80 patients randomized to 4 groups: group 1, maintenance with sevoflurane at a minimum alveolar concentration (MAC) of 1; group 2, sevoflurane at MAC 1.5; group 3, remifentanil; group 4, propofol. Variables studied were hemodynamic alterations during and after surgery, level of postoperative analgesia, differential white cell counts, levels of interleukin-6 (IL-6), and clinical signs and symptoms of systemic inflammatory response syndrome in the first 24 hours after surgery. RESULTS: The incidences of episodes of intraoperative hypertension were 60% in group 1, 65% in group 2, 50% in group 3, and 60% in group 4. The incidences of episodes of intraoperative hypotension were 85% in group 1, 80% in group 2, 80% in group 3, and 75% in group 4. Patients in groups 3 and 4 had higher incidences of systemic inflammatory response syndrome (p<0.05) in the first 24 hours after surgery and higher levels of IL-6 (p<0.05). Postoperative analgesia was similar in all 4 groups. CONCLUSIONS: Increased levels of IL-6 in peripheral blood and of systemic inflammatory response syndrome were found in the early postoperative period in groups that did not receive halogenated gases. Hemodynamic stability and analgesia were similar in all groups, however.


Assuntos
Anestesia Geral/métodos , Endarterectomia das Carótidas , Idoso , Anestésicos Inalatórios/uso terapêutico , Anestésicos Intravenosos/uso terapêutico , Doenças Cardiovasculares/etiologia , Hemodinâmica/efeitos dos fármacos , Humanos , Incidência , Inflamação/epidemiologia , Interleucina-6/sangue , Complicações Intraoperatórias/epidemiologia , Masculino , Éteres Metílicos/uso terapêutico , Pessoa de Meia-Idade , Dor Pós-Operatória/epidemiologia , Dor Pós-Operatória/prevenção & controle , Piperidinas/uso terapêutico , Propofol/uso terapêutico , Estudos Prospectivos , Remifentanil , Sevoflurano
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