scholarly journals Features and hospital outcomes of coronary artery bypass grafting in patients with calcification of target coronary arteries

2020 ◽  
Vol 25 (8) ◽  
pp. 3687
Author(s):  
R. S. Akchurin ◽  
A. A. Shiryaev ◽  
V. P. Vasiliev ◽  
D. M. Galyautdinov ◽  
E. E. Vlasova ◽  
...  

Aim. To compare strategy and early results of coronary artery bypass grafting (CABG) in patients with and without calcification of target coronary arteries (TCA).Material and methods. The prospective study analyzed the data of patients (n=462) who underwent elective isolated CABG in 2017-2018 using cardiopulmonary bypass and microsurgery. Two groups were distinguished: group 1 — patients with TCA calcification (n=108), group 2 — patients without TCA calcification (n=354). In cases where the distal coronary artery lesion did not allow standard bypass grafting, additional complex anastomoses were provided. A comparison of intraoperative parameters and early results of CABG was carried out.Results. In groups 1 and 2, the revascularization index did not differ significantly and was 4,5 and 4,3, respectively. The frequency of complex surgical interventions in group 1 was higher: for example, ‘Y’ grafts were used in groups 1 and 2, respectively, in 32% (35/108) and 12% (44/354), p<0,05; sequential anastomoses in 14% (15/108) and 7% (26/354), p<0,05; prolonged patch-angioplasty — in 21% (23/108) and 5% (16/354), p<0,05; anastomoses with arteries <1,5 mm in diameter — in 33% (36/108) and 4% (14/354), p<0,05; coronary endarterectomy in 17% (18/108) and 5% (16/354), p<0,05, respectively. The duration of cardiopulmonary bypass was longer in group 1. At the same time, the hospital clinical results did not differ significantly: mortality was not registered; the frequency of perioperative myocardial infarction was 1,8% (group 1) and 1,1% (group 2); the need for inotropes, frequency of arrhythmia, length of stay in the intensive care unit and hospital were similar; there were no cases of in-hospital angina recurrence.Conclusion. CABG in patients with calcification of TCA is associated with surgical challenges and need for complex adjunct techniques. Nevertheless, complete surgical revascularization is real in these cases, and the hospital results are comparable to those in patients without calcification.

2015 ◽  
Vol 18 (6) ◽  
pp. 255 ◽  
Author(s):  
Hüseyin Şaşkın ◽  
Çagrı Düzyol ◽  
Kazım Serhan Özcan ◽  
Rezan Aksoy ◽  
Mustafa Idiz

<strong>Objective:</strong> To investigate the association of platelet to lymphocyte ratio to mortality and morbidity after coronary artery bypass grafting operation.<br /><strong>Methods:</strong> We evaluated records of 916 patients who underwent coronary artery bypass grafting operation between January 2009 and May 2014 retrospectively. Patients were grouped as Group 1 (n = 604) if the platelet to lymphocyte ratio was above 142 and Group 2 (n = 312) if platelet to lymphocyte ratio was below 142.<br /><strong>Results:</strong> The number of patients who developed a neurologic event during the hospital stay and in the first postoperative month was 7 (1.2%) in Group 1 and 12 (3.8%) in Group 2 for which the difference was statistically significant (P = .007). Early term mortality occurred in 3 patients (0.5%) in Group 1 and in 10 patients (3.2%) in Group 2 for which the difference was statistically highly significant (P = .001). In univariate and multivariate regression analysis, the preoperative platelet to lymphocyte ratio was determined as an independent risk factor for occurrence of atrial fibrillation in the early postoperative period, reoperation for sternum dehiscence, occurrence of a neurologic event, prolonged stay in the hospital and mortality.<br /><strong>Conclusion:</strong> In this study, elevated levels of platelet to lymphocyte ratio were associated with mortality and morbidity after coronary artery bypass grafting operation.


Author(s):  
Artur V. Gabriyelyan ◽  
Olexander V. Cheveliuk ◽  
Svitlana V. Romanova ◽  
Irina V. Kudlai ◽  
Marchelina S. Gergi ◽  
...  

Previous COVID-19 is known to have negative impact on postoperative course of coronary artery bypass grafting. According to a number of foreign sources, mortality after coronary artery bypass grafting is increased in patients with previous COVID-19, and the perioperative period is accompanied by complications such as myocardial infarction, acute renal failure, acute cerebrovascular accident, sternal infection. The aim. To evaluate the features of the perioperative period after coronary artery bypass grafting in patients with the history of COVID-19. Materials and methods. The research is based on the analysis of data from patients who were operated at the Department of Transplantation and Heart Surgery of Shalimov National Institute of Surgery and Transplantation for the last 2 years. The article presents a comparative analysis of the perioperative period after coronary artery bypass grafting on a beating heart in patients with and without the history of COVID-19. Both groups of patients were basically equivalent in demographics, incidence of comorbidities, NYHA functional class, ejection fraction, and the difference between them was insignificant. Severe course of previous COVID-19 was noted only in 2 (10%) patients, moderate in 6 (30%), mild in 12 (60%). The most common finding was 11% to 30% damage of the lung tissue which was observed in 10 (50%) patients. Residual effects of spiral computed tomography immediately before surgery were detected in 6 (30%) cases. Results and discussion. In the early postoperative period there were such complications as: acute myocardial infarc-tion, acute renal failure, acute cerebrovascular accident, sternal infection. In the early postoperative period, patients in both groups developed complications: 14 (70%) patients in group 1 vs. 7 (35%) patients in group 2. Acute renal failure (ARF) was verified by a 1.5–1.9-fold increase in creatinine levels compared to baseline, or ≥0.3 mg/dL (≥26.5 mmol/l), and was significantly more common in the group of patients after COVID-19 (6 [30%]) than in the group of patients with-out the history of COVID-19 (2 [10%]). The incidence of myocardial infarction confirmed by high levels of highly specific troponin T and changes in electrocardiography also prevailed in group 1 with 4 (20%) patients vs. 2 (10%) patients in group 2 (P <0.001). In patients with a history of COVID-19, the duration of ventilation and the need for additional oxygen-ation was higher compared to those who did not have COVID-19. We found that patients with the history of COVID-19 had more abundant exudates in the first 24 hours: 113 ± 36.4 ml in group 1 vs. 78 ± 26.8 ml in group 2 without COVID-19. The length of stay of the patients in the ICU differs in both groups: 78.4 ± 14.1 hours in group 1 and 52.8 ± 12.1 hours in group 2 (P <0.01), and is observed as a consequence of the above-mentioned complications accompanying early postoperative period. Conclusions. Analysis of the results of coronary artery bypass graft surgery in patients with a history of COVID-19 showed that the postoperative course in them is more severe compared with patients who did not have COVID-19. The patients with the history of COVID-19 who are candidates for coronary artery bypass grafting are more likely to devel-op acute myocardial infarction and acute renal failure manifested by increased creatinine in the postoperative period.


2017 ◽  
Vol 66 (06) ◽  
pp. 442-451 ◽  
Author(s):  
Alireza Kamali ◽  
Yazdan Ghandi ◽  
Mehrzad Sharifi

Background The topic of aspirin (acetylsalicylic acid, ASA) use in coronary artery disease patients planned for coronary artery bypass grafting during perioperative period is among the most disputed issues in cardiac surgery. We designed a study to weigh the risks and benefits of continued ASA ingestion until the time of surgery. Methods In this randomized double-blind clinical trial, 206 consecutive patients scheduled for isolated coronary artery bypass surgery (CABG) were randomly stratified into two groups. In group 1 (104 cases), patients were given 80 mg ASA per day until the day of surgery. In group 2 (102 patients), ASA (80 mg per day) was stopped 4 days before the operation. Patients in these two groups were similar in terms of preoperative patient and procedural characteristics. ASA was resumed 24 hours after the surgery in all patients. Results The rates of bleeding and reexploration within 24 hours of surgery were significantly higher in group 1 (824.3 vs. 492.1 mL, p < 0.001 and 5.7% vs. 0, p = 0.0138, respectively). The amount of intra- and postoperative packed red blood cell (PRBC) transfusion was considerably greater in group 1 (mean: 1.83 vs. 0.71 units, p < 0.001). The rate of hospital mortality was similar (1.9% in both the groups, p = 0.98). Patients in group 1 had significantly longer mean hospital stay than patients in group 2 (8 vs. 5.1 days, p < 0.001). Again the time interval between weaning from heart–lung machine and closing the sternum was strikingly longer in group 1 (mean: 32.1 vs. 14.5 minutes, p < 0.001). The incidence of adverse postoperative outcomes such as myocardial infarction, stroke, and renal failure was not statistically different between the two groups. Conclusion Sustained ASA use until the day of surgery in patients planned for elective isolated CABG can result in excessive bleeding, increased rate of reexploration, and need for more PRBC transfusion without any proven beneficial effect on reducing unfavorable postoperative outcomes. Hence, we recommend discontinuing ASA between 3 and 5 days before non-urgent CABG while keeping it on in nonelective circumstances.


2019 ◽  
Vol 40 (Supplement_1) ◽  
Author(s):  
O Bockeria ◽  
V A Shvartz ◽  
T Kanametov

Abstract The purpose of our study was to evaluate safety and efficacy of local epicardial application of amiodarone - releasing hydrogel in the prevention of postoperative atrial fibrillation (AF) in patients undergoing coronary artery bypass grafting (CABG). Material and methods We present an open prospective randomised study, in which 60 patients (47 male), mean age of 62±8,5 were included. Baseline clinical, laboratory and instrumental characteristics were similar in all patients. Patients didn't have any arrhythmic complains or previously registered AF. All patients underwent elective CABG and were randomised into two groups: Group #1 (n=30) - had the amiodarone-releasing hydrogel application before chest closure, and Group #2 (n=30) regular CABG surgery, no local application. We used 60 mg of amiodarone in hydrogel. This dose was experimentally determined during previously performed animal study. Heart rhythm control was monitored continuously during first 5 postoperative days and occasionally (mornings and evenings) the remaining days before the discharge. The local ethics committee approved this study design. Results The incidence of postoperative AF occurrence was significantly lower in Group #1: AF was registered in 3.3% cases versus 37% of patients from Group #2 (p<0.001). There was slight increase of PQ interval duration in Group #1 - 0.14 sec (0.12; 0.16), which however was significantly higher then in Group #2 - 0.12 (0.12; 0.14), (p<0.01). QRS and QT intervals were similar in both groups without significant difference. There were no complications associated with the application procedure neither during postoperative period, such as AV block, infection or life-threatening situations. According to 5 days ECG monitoring, the average heart rate in the Group #1 was 59 (52; 60) beats per min versus 69 beats per min (65; 75) in Group #2 (p<0.001). Temporary atrial or atrio-ventricular pacing used for correction of the heart rate if required in both groups. By the time of discharge none of the patients required permanent cardiac pacing. The length of stay in Group #1 was significantly shorter: 6 (6; 7) days versus 8 (8; 9) days (p<0,001). Among all studied parameters, amiodarone-releasing hydrogel application and older age were statistically significant in postoperative AF occurrence (p<0.01). According to the Cox regression model amiodarone-releasing hydrogel application decreases the incidence of postoperative AF by 18,9 folds. The older age instead increases the incidence of postoperative AF by 1,2 folds. Conclusions The local epicardial amiodarone (60 mg) application in hydrogel before chest closure is a safe procedure. This approach showed it's effectiveness in AF prevention in patient undergoing elective CABG.


2021 ◽  
Vol 24 (2) ◽  
pp. E217-E222
Author(s):  
Cüneyt Eris ◽  
Burak Erdolu ◽  
Mesut Engin ◽  
Ahmet Kagan As ◽  
Yasemin Ustundag

Background: The purpose of the present study was to compare the effects of two different clamping strategies for the construction of the proximal aortocoronary anastomoses on myocardial protection and postoperative outcomes during coronary artery bypass grafting (CABG) operations. Methods: In this retrospective study, we examined prospectively collected data of patients who underwent CABG for a 3-year period. Two hundred consecutive patients, who were diagnosed with triple vessel coronary artery disease (CAD), were selected and divided into two groups. In Group 1 (single clamp) (N = 100), venoaortic proximal anastomoses were performed using a single aortic cross-clamp, while in Group 2 (double clamp) (N = 100), proximal anastomoses were performed by using an aortic side clamp. Operative and postoperative outcomes of the patients were compared between the two groups. The serum levels of myocardial damage biomarkers, creatine phosphokinase-MB (CPK-MB), and high sensitive Troponin (hsTnI) results were measured preoperatively, intraoperatively, and postoperatively (6, 12, 24, and 48 hours). Results: Patient demographics and characteristics were similar between the two groups. In Group 1, cross-clamp duration time (65 min versus 49 min; P = .0001) was longer. However, perfusion time (91 min versus 85 min; P = .61) was similar between the two groups. In Group 2, postoperative CK-MB levels were significantly higher intraoperatively (P = .18), 6 hours (P = .22), 24 hours (P = .001), and 48 hours (P = .001) than in Group 1. HsTnI was only significantly higher in Group 2 versus Group 1 at 24 hours (P = .001) and 48 hours (P = .01) postoperatively. Time of intensive care unit stay, duration of extubation, and length of hospital stay were similar in both groups. Conclusion: The technique used for proximal anastomosis has a significant effect on perioperative results, especially on myocardial protection.


2020 ◽  
Vol 7 (11) ◽  
pp. 3590
Author(s):  
Debmalya Saha ◽  
Rakesh Sharma ◽  
Lakshmi Sinha ◽  
Ahmed Ali ◽  
Sunita Chaudhary ◽  
...  

Background: Diabetes mellitus is one of the significant risk factors for adverse outcomes after coronary artery bypass surgery. The glycosylated haemoglobin i.e. HbA1c is a reliable diagnostic test to know the long-term glycemic status. The objective of the study is to investigate the implication of preoperative HbA1c level on short term outcomes after coronary artery bypass grafting (CABG).Method: Total 218 patients were studied, and the data were collected retrospectively. Patients are distributed into group 1 with HbA1c≤7 (good glycemic control) and group 2 with HbA1c>7 (poor glycemic control). The parameters studied for short term outcomes were revision due to bleeding, duration of mechanical ventilation, cerebrovascular accident (CVA), atrial fibrillation (AF), renal failure requiring dialysis, infective complications like sternal and leg wound infection, mediastinitis, pneumonia, urinary tract infection (UTI), sepsis; length of ICU stay and in-hospital mortality.Result: In comparison to group 1, patients of group 2 showed statistically significant more morbidity in view of short-term outcomes in this study.Conclusion: HbA1c>7 is associated with statistically significant adverse short-term outcomes after CABG.


2020 ◽  
Vol 23 (3) ◽  
pp. E270-E275 ◽  
Author(s):  
Ahmed Khallaf ◽  
Mahmoud Elzayadi ◽  
Hesham Alkady ◽  
Ahmed El Naggar

Background: This is a prospective randomized-controlled study done to evaluate the best surgical option for moderate ischemic mitral regurgitation through either coronary artery bypass grafting only or by performing additional mitral repair. Methods: Over a nine-month period, 60 patients with ischemic heart disease associated with moderate ischemic mitral regurgitation were equally divided into two groups. Group 1 included 30 patients who had coronary artery bypass grafting with mitral valve repair; Group 2 included 30 patients who had only coronary artery bypass grafting. Results: There were no significant differences between the study groups, regarding operative data, apart from the cardiopulmonary bypass time and aortic cross-clamp time, which were significantly longer in group 1 (P < 0.001). Only one patient died in group 1 due to severe myocardial dysfunction. During the follow up, the NYHA class improved in group 1, from 2.7 to 1.35 (P < 0.004), compared with group 2, where the NYHA class improved from 2.6 to 1.72 (P = 0.07). The degree of MR improved in 28 patients (93%) in group 1 and 22 patients (73%) in group 2 (P < 0.0001). Conclusion: The study revealed many advantages of adding mitral repair to surgical revascularization in patients with moderate ischemic mitral regurgitation, with improvement in the degree of MR and NYHA functional class. On the other hand there were no significant differences between the groups, regarding the postoperative course and incidence of mortality.


2016 ◽  
Vol 19 (6) ◽  
pp. 289 ◽  
Author(s):  
Mehmet Yilmaz ◽  
Rezan Aksoy ◽  
Vildan Kilic Yilmaz ◽  
Canan Balci ◽  
Cagri Duzyol ◽  
...  

Objective: This study evaluated the relationship between the amount of urinary output during cardiopulmonary bypass and acute kidney injury in the postoperative period of coronary artery bypass grafting.Methods: Two hundred patients with normal preoperative serum creatinine levels, operated on with isolated CABG between 2012-2014 were investigated retrospectively. The RIFLE (Risk, injury, failure, loss of function, and end-stage renal disease) risk scores were calculated for each patient in the third postoperative day. Patients were distributed into two groups in relation to the presence of acute kidney injury or not and these two groups were compared.Results: The urinary output (mL/kg/hour) during cardiopulmonary bypass in the acute kidney injury negative group was significantly higher than in the acute kidney injury positive group (P = .022). In case of a urinary output value 3.70 and lower to predict acute kidney injury positivity, sensitivity was detected as 71.43%. Results of the analysis for urinary output predict positivity of acute kidney injury.Conclusion: We suggest that urine output during cardiopulmonary bypass is a significant criteria that could predict acute kidney injury following coronary artery bypass grafting with cardiopulmonary bypass. Attempts to increase the urine output during cardiopulmonary bypass could help to maintain the renal functions during and after surgery.


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