ABSTRACT Introduction: Postoperative atrial fibrillation (POAF) and pericardial effusion are important factors affecting prognosis after cardiac surgery. Recently, it has been reported that posterior pericardiotomy (PP) can effectively prevent the occurrence of POAF and pericardial effusion. To validate these conclusions and guide clinical practice, we conducted a systematic review with meta-analysis. Methods: We searched multiple databases for manuscripts published before July 2022 on the use of PP to prevent POAF and pericardial effusion and included only randomized controlled trials. The main outcome was atrial fibrillation after coronary artery bypass grafting, and secondary outcomes were included. Results: This meta-analysis included 14 randomized controlled trials with a total of 2275 patients. Meta-analysis showed that the incidence of POAF after cardiac surgery in the PP group was significantly lower than that in the control group (risk ratio=0.48; 95% confidence interval=0.33~0.69; P<0.00001). PP effectively reduced postoperative pericardial effusion (risk ratio=0.34, 95% confidence interval=0.21-0.55; P<0.00001). Conclusion: PP has shown good results in preventing POAF, pericardial effusion, and other complications, which indicates that PP is a safe and effective surgical method, but attention still needs to be paid to the potential risk of coagulation dysfunction caused by PP.

Abstract The purpose of this study is to apply refined nursing in the operation room of thoracoscopic lung cancer radical surgery in southwestern China ** hospital through refined nursing. Patients in the control group were given routine nursing care, and patients in the experimental group were given refined nursing care. The intraoperative blood loss, extubation time, length of stay, and total nursing satisfaction rate were compared between the two groups of patients The intraoperative blood loss of the patients in the experimental group was 192.94 ± 3.63 mL, and the hospital stay was 10.08 ± 1.64 days, which were lower than those in the control group (221.46 ± 4.31 mL and 16.62 ± 1.83 days, respectively), and the difference was statistically significant (P < 0.05). There was no significant difference in extubation time between the experimental group and the control group (P > 0.05). The complications in the experimental group were lower than those in the control group, and the overall nursing satisfaction rate was higher in the experimental group than in the control group. The differences between the two groups were statistically significant (P < 0.05). Refined nursing applied to the operation room of thoracoscopic lung cancer radical surgery surgery can reduce the intraoperative bleeding volume and complications of patients, shorten the length of hospitalization of patients, improve the patient's nursing satisfaction, and is worthy of clinical application.