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1.
Rev. bras. anestesiol ; Rev. bras. anestesiol;62(5): 702-708, set.-out. 2012. ilus, tab
Article in Portuguese | LILACS | ID: lil-649551

ABSTRACT

JUSTIFICATIVA E OBJETIVOS: Estudo longitudinal, prospectivo, aleatório e encoberto para avaliar a influência do local de inserção do dreno pleural, de PVC atóxico, na função pulmonar e na dor pós-operatória dos pacientes submetidos à revascularização do miocárdio nos três primeiros dias pós-cirúrgicos e logo após a retirada do dreno. PACIENTES E MÉTODOS: Trinta e seis pacientes escalados para cirurgia eletiva de revascularização do miocárdio, com uso de circulação extracorpórea (CEC), em dois grupos: grupo SX (dreno subxifoide) e grupo IC (dreno intercostal). Feitos registros espirométricos, da gasometria arterial e da dor. RESULTADOS: Trinta e um pacientes analisados, 16 no grupo SX e 15 no grupo IC. O grupo SX apresentou valores espirométricos maiores do que o grupo IC (p < 0,05) no pós-operatório (PO), denotando menor influência do local do dreno na respiração. A PaO2 arterial no segundo PO aumentou significantemente no grupo SX quando comparada com o grupo IC (p < 0,0188). A intensidade da dor no grupo SX, antes e após a espirometria, era menor do que no grupo IC (p < 0,005). Houve aumento significativo dos valores espirométricos em ambos os grupos após a retirada do dreno pleural. CONCLUSÃO: A inserção do dreno na região subxifoide altera menos a função pulmonar, provoca menos desconforto e possibilita uma melhor recuperação dos parâmetros respiratórios.


BACKGROUND AND OBJECTIVES: Longitudinal, prospective, randomized, blinded Trial to assess the influence of pleural drain (non-toxic PVC) site of insertion on lung function and postoperative pain of patients undergoing coronary artery bypass grafting in the first three days post-surgery and immediately after chest tube removal. METHOD: Thirty six patients scheduled for elective myocardial revascularization with cardiopulmonary bypass (CPB) were randomly allocated into two groups: SX group (subxiphoid) and IC group (intercostal drain). Spirometry, arterial blood gases, and pain tests were recorded. RESULTS: Thirty one patients were selected, 16 in SX group and 15 in IC group. Postoperative (PO) spirometric values were higher in SX than in IC group (p < 0.05), showing less influence of pleural drain location on breathing. PaO2 on the second PO increased significantly in SX group compared with IC group (p < 0.0188). The intensity of pain before and after spirometry was lower in SX group than in IC group (p < 0.005). Spirometric values were significantly increased in both groups after chest tube removal. CONCLUSION: Drain with insertion in the subxiphoid region causes less change in lung function and discomfort, allowing better recovery of respiratory parameters.


JUSTIFICATIVA Y OBJETIVOS: Estudio longitudinal, prospectivo, randomizado y encubierto para evaluar la influencia del local de inserción del drenaje pleural, de PVC atóxico, en la función pulmonar y en el dolor postoperatorio de los pacientes sometidos a la revascularización del miocardio en los tres primeros días postquirúrgicos e inmediatamente después de la retirada del drenaje. PACIENTES Y MÉTODOS: Treinta y seis pacientes seleccionados para la cirugía electiva de revascularización del miocardio, con el uso de circulación extracorpórea (CEC), en dos grupos: grupo SX (drenaje subxifoide) y grupo IC (drenaje intercostal). Se realizaron los registros espirométricos de la gasometría arterial y del dolor. RESULTADOS: Treinta y un pacientes analizados, 16 en el grupo SX y 15 en el grupo IC. El grupo SX presentó valores espirométricos mayores que el grupo IC (p < 0,05) en el postoperatorio (PO), denotando una menor influencia de la región del drenaje en la respiración. La PaO2 arterial en el segundo PO aumentó significantemente en el grupo SX cuando se comparó con el grupo IC (p < 0,0188). La intensidad del dolor en el grupo SX, antes y después de la espirometría, era menor que en el grupo IC (p < 0,005). Se registró el aumento significativo de los valores espirométricos en ambos grupos después de la retirada del drenaje pleural. CONCLUSIONES: La inserción del drenaje en la región subxifoide altera menos la función pulmonar, provoca menos incomodidad y facilita una mejor recuperación de los parámetros respiratorios.


Subject(s)
Female , Humans , Male , Middle Aged , Chest Tubes , Coronary Artery Bypass , Drainage/instrumentation , Postoperative Care/instrumentation , Chest Tubes/adverse effects , Forced Expiratory Volume , Pleura , Prospective Studies , Single-Blind Method , Spirometry , Vital Capacity
2.
Rev Bras Anestesiol ; 62(5): 696-708, 2012.
Article in English | MEDLINE | ID: mdl-22999402

ABSTRACT

BACKGROUND AND OBJECTIVES: Longitudinal, prospective, randomized, blinded Trial to assess the influence of pleural drain (non-toxic PVC) site of insertion on lung function and postoperative pain of patients undergoing coronary artery bypass grafting in the first three days post-surgery and immediately after chest tube removal. METHOD: Thirty six patients scheduled for elective myocardial revascularization with cardiopulmonary bypass (CPB) were randomly allocated into two groups: SX group (subxiphoid) and IC group (intercostal drain). Spirometry, arterial blood gases, and pain tests were recorded. RESULTS: Thirty one patients were selected, 16 in SX group and 15 in IC group. Postoperative (PO) spirometric values were higher in SX than in IC group (p<0.05), showing less influence of pleural drain location on breathing. PaO(2) on the second PO increased significantly in SX group compared with IC group (p<0.0188). The intensity of pain before and after spirometry was lower in SX group than in IC group (p<0.005). Spirometric values were significantly increased in both groups after chest tube removal. CONCLUSION: Drain with insertion in the subxiphoid region causes less change in lung function and discomfort, allowing better recovery of respiratory parameters.


Subject(s)
Chest Tubes , Coronary Artery Bypass , Drainage/instrumentation , Postoperative Care/instrumentation , Chest Tubes/adverse effects , Female , Forced Expiratory Volume , Humans , Male , Middle Aged , Pleura , Prospective Studies , Single-Blind Method , Spirometry , Vital Capacity
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