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Ventilação mecânica prolongada após cirurgia cardíaca / Prolonged mechanical ventilation after cardiac surgery
Dias, Fernando Suparregui; Milius, Gilney; Posenato, Alberto Aurélio; Palombini, Dora Veronesi; Bodanese, Luis Carlos; Petracco, Joäo Baptista.
  • Dias, Fernando Suparregui; s.af
  • Milius, Gilney; s.af
  • Posenato, Alberto Aurélio; s.af
  • Palombini, Dora Veronesi; s.af
  • Bodanese, Luis Carlos; s.af
  • Petracco, Joäo Baptista; s.af
Arq. bras. cardiol ; 59(4): 269-273, out. 1992. tab
Article in Portuguese | LILACS | ID: lil-134471
RESUMO
Objetivo - Determinar as causas de impossibilidade para extubação ou de tentativa.frustra no procedimento, em pacientes submetidos a cirurgia cardíaca (CC) e sua evolução pós-operatória. Métodos - Foram, estudados, retrospectivamente, 343 pacientes submetidos à CC com circulação extracorpórea e de acordo com o momento e sucesso na extubação, agrupados em grupos: l -ventilação mecânica por mais de 24 h sem tentativa de extubação; II - extubados em 24 h e reintubados posteriormente; III - extubados com sucesso ern 24 h. Resultados - Os fatores pré-operatórios determinantes de ventilação mecânica (VM) prolongada,foram insuficiência cardíaca (IC), hipertensão arterial pulmonar, tabagismo, doença pulmonar obstrutiva crônica e cirurgia cardíaca prévia, e os determinantes do pós-operatório imediato (< 24 h), as atelectasias, IC, baixo débito cardíaco, infarto agudo do miocárdio per-operatório, parada cardio respiratória, reintervenção por drenagem excessiva e derrame pleural. A evolução destes pacientes associou-se a elevado índice de pneumonia nosocomial, falência de outros sistemas orgânicos e mortalidade significativa. Conclusão - A necessidade de VM prolongada após cirurgia cardíaca é determinada tanto por fatores pré como pós-operatórios, acarretando um elevado índice de infecção pulmonar, insuficiência de múltiplos órgãos e elevada mortalidade
ABSTRACT
Purpose - To study the causas of difficulty or impossible weaning of cardiac surgical patients undergoing mechanical ventilation, in the postoperative period and their outcome. Methods - Three hundred and forty three consecutive adult patients submitted to open heart surgery were retrospectively studied and classified in three groups: I - patients in mechanical ventilation more than, 24 hours; II - patients in mechanical ventilation less than 24 hours and reintubated some time after this period; III -patients successfully extubated in the first 24 hours of ventilation. Results - The authors were able to identify the following preoperative, factors associated with prolonged postoperative ventilation: cardiac failure, pulmonary hypertension, smoking, chronic obstructive pulmonary disease and previous open heart surgery. Significant factors in the imediate postoperative period (1st 24 hours) were: atelectasis, low output syndrome, perioperative myocardial infarction, reoperation for excessive bleeding, pleural effusion and cardiac arrest. This group of patients had a significant increase in nosocomial pneumonia, multiple organ failure (MOF) and surgical mortality. Conclusion - Pre and postoperative factors were identified associated with prolonged mechanical ventilation in the postoperative period and responsible by significant morbidity as such pulmonary infection, MOF and increase in mortality
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Postoperative Care / Respiration, Artificial / Thoracic Surgery Type of study: Etiology study / Observational study / Risk factors Limits: Female / Humans / Male Country/Region as subject: South America / Brazil Language: Portuguese Journal: Arq. bras. cardiol Journal subject: Cardiology Year: 1992 Type: Article

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Full text: Available Index: LILACS (Americas) Main subject: Postoperative Care / Respiration, Artificial / Thoracic Surgery Type of study: Etiology study / Observational study / Risk factors Limits: Female / Humans / Male Country/Region as subject: South America / Brazil Language: Portuguese Journal: Arq. bras. cardiol Journal subject: Cardiology Year: 1992 Type: Article