Thoracic surgery Archives - Critical Care Science (CCS)
, , , , , Abstract
Rev Bras Ter Intensiva. 2020;32(2):261-267
DOI 10.5935/0103-507X.20200042
, , , , , , , , To evaluate the functional status of pediatric patients undergoing congenital heart surgery after discharge from the intensive care unit, and to evaluate the correlations among clinical variables, functional status and surgical risk.
Cross-sectional study including patients aged 1 month to less than 18 years undergoing congenital heart surgery between October 2017 and May 2018. Functional outcome was assessed by the Functional Status Scale, surgical risk classification was determined using the Risk Adjustment for Congenital Heart Surgery-1 (RACHS-1), and clinical variables were collected from electronic medical records.
The sample comprised 57 patients with a median age of 7 months (2 - 17); 54.4% were male, and 75.5% showed dysfunction, which was moderate in 45.6% of the cases. RACHS-1 category > 3 was observed in 47% of the sample, indicating higher surgical risk. There was a correlation between functional deficit and younger age, longer duration of invasive mechanical ventilation and longer intensive care unit stay. Moreover, greater functional deficit was observed among patients classified as RACHS-1 category > 3.
The prevalence of functional deficit was high among children and adolescents with congenital heart disease after cardiac surgery. Higher surgical risk, longer duration of invasive mechanical ventilation, longer intensive care unit stay and younger age were correlated with worse functional status.
Abstract
Rev Bras Ter Intensiva. 2020;32(2):261-267
DOI 10.5935/0103-507X.20200042
, , , , , , , , To evaluate the functional status of pediatric patients undergoing congenital heart surgery after discharge from the intensive care unit, and to evaluate the correlations among clinical variables, functional status and surgical risk.
Cross-sectional study including patients aged 1 month to less than 18 years undergoing congenital heart surgery between October 2017 and May 2018. Functional outcome was assessed by the Functional Status Scale, surgical risk classification was determined using the Risk Adjustment for Congenital Heart Surgery-1 (RACHS-1), and clinical variables were collected from electronic medical records.
The sample comprised 57 patients with a median age of 7 months (2 - 17); 54.4% were male, and 75.5% showed dysfunction, which was moderate in 45.6% of the cases. RACHS-1 category > 3 was observed in 47% of the sample, indicating higher surgical risk. There was a correlation between functional deficit and younger age, longer duration of invasive mechanical ventilation and longer intensive care unit stay. Moreover, greater functional deficit was observed among patients classified as RACHS-1 category > 3.
The prevalence of functional deficit was high among children and adolescents with congenital heart disease after cardiac surgery. Higher surgical risk, longer duration of invasive mechanical ventilation, longer intensive care unit stay and younger age were correlated with worse functional status.
Abstract
Rev Bras Ter Intensiva. 2017;29(3):287-292
DOI 10.5935/0103-507X.20170042
This prospective study aimed to characterize the changes in blood lactate concentration and blood oxygen saturation in patients during the immediate postoperative period of cardiac surgery with extracorporeal circulation.
Blood samples were collected from 35 patients in a rapid and random order from the arterial line and from the proximal and distal port of a pulmonary artery catheter.
The results showed no statistically significant differences between the blood oxygen saturation in the right atrium (72% ± 0.11%) and the blood oxygen saturation in the pulmonary artery (71% ± 0.08%). The blood lactate concentration in the right atrium was 1.7mmol/L ± 0.5mmol/L, and the blood lactate concentration in the pulmonary artery was 1.6mmol/L ± 0.5mmol/L (p < 0.0005).
The difference between the blood lactate concentration in the right atrium and the blood lactate concentration in the pulmonary artery might be a consequence of the low blood lactate concentration in the blood from the coronary sinus, as it constitutes an important substrate for the myocardium during this period. The lack of differences between the blood oxygen saturation in the right atrium and the percentage of blood oxygen saturation in the pulmonary artery suggests a lower oxygen extraction by the myocardium given a lower oxygen consumption.
Abstract
Rev Bras Ter Intensiva. 2017;29(3):287-292
DOI 10.5935/0103-507X.20170042
This prospective study aimed to characterize the changes in blood lactate concentration and blood oxygen saturation in patients during the immediate postoperative period of cardiac surgery with extracorporeal circulation.
Blood samples were collected from 35 patients in a rapid and random order from the arterial line and from the proximal and distal port of a pulmonary artery catheter.
The results showed no statistically significant differences between the blood oxygen saturation in the right atrium (72% ± 0.11%) and the blood oxygen saturation in the pulmonary artery (71% ± 0.08%). The blood lactate concentration in the right atrium was 1.7mmol/L ± 0.5mmol/L, and the blood lactate concentration in the pulmonary artery was 1.6mmol/L ± 0.5mmol/L (p < 0.0005).
The difference between the blood lactate concentration in the right atrium and the blood lactate concentration in the pulmonary artery might be a consequence of the low blood lactate concentration in the blood from the coronary sinus, as it constitutes an important substrate for the myocardium during this period. The lack of differences between the blood oxygen saturation in the right atrium and the percentage of blood oxygen saturation in the pulmonary artery suggests a lower oxygen extraction by the myocardium given a lower oxygen consumption.
Abstract
Rev Bras Ter Intensiva. 2013;25(3):233-238
DOI 10.5935/0103-507X.20130040
The objective of this study was to assess the correlation between the European System for Cardiac Operative Risk Evaluation (EuroSCORE) score and the risk of developing acute kidney injury in cardiac surgery patients.
This retrospective study was conducted at a tertiary hospital on consecutive cardiac surgery patients (e.g., valvular, ischemic and congenital heart diseases) between October 2010 and July 2011.
One hundred patients were assessed. Among the 100 patients, six were excluded, including five because of prior kidney disease or dialysis therapy and one because of incomplete medical records. The primary surgical indications were myocardial revascularization in 55 patients (58.5% of cases) and valve replacement in 28 patients (29.8%). According to the EuroSCORE, 55 patients were classified as high risk (58.5%), 27 patients as medium risk (28.7%) and 12 patients as low risk (12.8%). In the postoperative period, patients were classified with the Risk, Injury, Failure, Loss and End-stage kidney disease (RIFLE) score. Among the 31 patients (33%) who displayed an increase in serum creatinine, 18 patients (19.1%) were classified as RIFLE "R" (risk), seven patients (7.4%) were classified as RIFLE "I" (injury) and six patients (6.5%) were classified as RIFLE "F" (failure). Among the patients who were considered to be high risk according to the EuroSCORE criteria, 24 patients (43.6%) showed acute kidney injury. Among the patients who were classified as medium or low risk, acute kidney injury occurred in 18.5 and 16.6% of the cases, respectively. The correlations between risk stratification (low, medium and high) and the EuroSCORE and postoperative RIFLE scores were statistically significant (p=0.03).
In the studied population, there was a statistically significant correlation between the EuroSCORE and the risk of developing acute kidney injury in the postoperative period after cardiac surgery.
Abstract
Rev Bras Ter Intensiva. 2013;25(3):233-238
DOI 10.5935/0103-507X.20130040
The objective of this study was to assess the correlation between the European System for Cardiac Operative Risk Evaluation (EuroSCORE) score and the risk of developing acute kidney injury in cardiac surgery patients.
This retrospective study was conducted at a tertiary hospital on consecutive cardiac surgery patients (e.g., valvular, ischemic and congenital heart diseases) between October 2010 and July 2011.
One hundred patients were assessed. Among the 100 patients, six were excluded, including five because of prior kidney disease or dialysis therapy and one because of incomplete medical records. The primary surgical indications were myocardial revascularization in 55 patients (58.5% of cases) and valve replacement in 28 patients (29.8%). According to the EuroSCORE, 55 patients were classified as high risk (58.5%), 27 patients as medium risk (28.7%) and 12 patients as low risk (12.8%). In the postoperative period, patients were classified with the Risk, Injury, Failure, Loss and End-stage kidney disease (RIFLE) score. Among the 31 patients (33%) who displayed an increase in serum creatinine, 18 patients (19.1%) were classified as RIFLE "R" (risk), seven patients (7.4%) were classified as RIFLE "I" (injury) and six patients (6.5%) were classified as RIFLE "F" (failure). Among the patients who were considered to be high risk according to the EuroSCORE criteria, 24 patients (43.6%) showed acute kidney injury. Among the patients who were classified as medium or low risk, acute kidney injury occurred in 18.5 and 16.6% of the cases, respectively. The correlations between risk stratification (low, medium and high) and the EuroSCORE and postoperative RIFLE scores were statistically significant (p=0.03).
In the studied population, there was a statistically significant correlation between the EuroSCORE and the risk of developing acute kidney injury in the postoperative period after cardiac surgery.
Abstract
Rev Bras Ter Intensiva. 2011;23(3):304-311
DOI 10.1590/S0103-507X2011000300008
OBJECTIVES: Ascending aortic dissection has a poor prognosis if it is not promptly corrected surgically. Even with surgical correction, postoperative management is feared because of its complicated course. Our aim was to describe the incidence of postoperative complications and identify the 1 and 6-month mortality rate of our ascending aortic dissection surgical cohort. Secondarily, a comparison was made between ascending aortic dissection patients and paired-matched patients who received urgent coronary artery bypass graft surgery. METHODS: A retrospective analysis of a prospectively-collected database from February 2005 through June 2008 revealed 12 ascending aortic dissection and 10 elective ascending aortic aneurysm repair patients. These patients were analyzed for demographic and perioperative characteristics. Ascending aortic dissection patients were compared to paired-matched coronary artery bypass graft surgery patients according to age (± 3 years), gender, elective/urgent procedure and surgical team. The main outcome was in-hospital morbidity, defined by postoperative complications, intensive care unit admission and hospital length of stay. RESULTS: Twenty-two patients received operations to correct ascending aortic dissections and ascending aortic aneurysms, while 246 patients received coronary artery bypass graft surgeries. Ascending aortic dissection patients were notably similar to ascending aortic aneurysm brackets, except for longer mechanical ventilation times and lengths of stay in the hospital. After matching coronary artery bypass graft surgery patients to an ascending aortic dissection group, the following significantly worse results were found for the Aorta group: higher incidence of postoperative complications (91% vs. 45%, p=0.03), and longer hospital length of stay (19 [11-41] vs. 12.5 [8.5-13] days, p=0.05). No difference in mortality was found at the 1-month (8.3%) or 6-month (16.6%) postoperative care date. CONCLUSION: Ascending aortic dissection correction is associated with an increased incidence of postoperative complications and an increased hospital length of stay, but 1 and 6-month mortality is similar to that of paired-matched coronary artery bypass graft surgery patients.
Abstract
Rev Bras Ter Intensiva. 2011;23(3):304-311
DOI 10.1590/S0103-507X2011000300008
OBJECTIVES: Ascending aortic dissection has a poor prognosis if it is not promptly corrected surgically. Even with surgical correction, postoperative management is feared because of its complicated course. Our aim was to describe the incidence of postoperative complications and identify the 1 and 6-month mortality rate of our ascending aortic dissection surgical cohort. Secondarily, a comparison was made between ascending aortic dissection patients and paired-matched patients who received urgent coronary artery bypass graft surgery. METHODS: A retrospective analysis of a prospectively-collected database from February 2005 through June 2008 revealed 12 ascending aortic dissection and 10 elective ascending aortic aneurysm repair patients. These patients were analyzed for demographic and perioperative characteristics. Ascending aortic dissection patients were compared to paired-matched coronary artery bypass graft surgery patients according to age (± 3 years), gender, elective/urgent procedure and surgical team. The main outcome was in-hospital morbidity, defined by postoperative complications, intensive care unit admission and hospital length of stay. RESULTS: Twenty-two patients received operations to correct ascending aortic dissections and ascending aortic aneurysms, while 246 patients received coronary artery bypass graft surgeries. Ascending aortic dissection patients were notably similar to ascending aortic aneurysm brackets, except for longer mechanical ventilation times and lengths of stay in the hospital. After matching coronary artery bypass graft surgery patients to an ascending aortic dissection group, the following significantly worse results were found for the Aorta group: higher incidence of postoperative complications (91% vs. 45%, p=0.03), and longer hospital length of stay (19 [11-41] vs. 12.5 [8.5-13] days, p=0.05). No difference in mortality was found at the 1-month (8.3%) or 6-month (16.6%) postoperative care date. CONCLUSION: Ascending aortic dissection correction is associated with an increased incidence of postoperative complications and an increased hospital length of stay, but 1 and 6-month mortality is similar to that of paired-matched coronary artery bypass graft surgery patients.
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