Preoperative aspirin increases the risk for postoperative bleeding. However, this did not result in an increased need for chest re-exploration and did not increase the rates of PRBC transfusion when preoperative low-dose (≤160 mg/d) aspirin was administered. Aspirin at any dose is associated with decreased mortality and AKI and low-dose aspirin (≤160 mg/d) decreases the incidence of perioperative MI.

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A best evidence topic in cardiac surgery was written according to a structured protocol. The question addressed was whether thoracoscopic patent ductus arteriosus (PDA) closure is superior to conventional surgery. Altogether 821 papers were found using the reported search, 11 of which represented the best evidence to answer the clinical question. The authors, journal, date and country of publication, patient group studied, study type, relevant outcomes and results of these papers are tabulated. Eleven studies included in the analysis consisted of two prospective and three retrospective, non-randomized studies and six case series. Four included studies focused only on preterm infants, three studies enrolled neonates and the other four analysed all age groups from neonates to older children or young adults. There were no differences in mortality between video-assisted thoracoscopic surgery (VATS) and conventional surgery. Two studies suggested that VATS offers shorter operative times. Two papers observed shorter hospital stay, although the other two noted no significant difference. A large prospective trial found VATS to be associated with a lower number of postoperative complications in neonates and infants, whereas other studies suggested no significant differences in short-term postoperative complications. There is little evidence to suggest better musculoskeletal status and cosmesis in neonates following VATS. Conversion from thoracoscopy to thoracotomy described in six papers was seldom and it did not lead to any additional complications. All observational studies confirmed that both techniques are free from major adverse cardiovascular complications and these two techniques can be safely used in all patients qualified for surgical PDA closure. Two studies compared cost-effectiveness between the two techniques; one of them described VATS as significantly more cost-efficient, whereas the other study observed no difference. However, it should be noted that data were provided from different countries and time periods. The results presented suggest that there are no significant differences in early clinical outcomes between VATS and thoracotomy in all age groups. However, where differences have been shown, such as pain, postoperative complications, length of hospital and ICU stay and cost, these favour the VATS approach.

Preterm infants with birth weight less than 750 g and significant PDA are highly challenging patients. Despite the recent advances in perioperative management with neonates, surgery is still associated with a high early mortality rate irrespective of the applied method.

Background: This study was designed to compare short-term and long-term clinical outcomes of minimally invasive direct coronary artery bypass (MIDCAB) and offpump coronary artery bypass grafting (OPCAB) via median sternotomy in patients with single-vessel left anterior descending (LAD) artery disease. Methods: In this retrospective study, 194-patients met the inclusion criteria and were divided into the MIDCAB group (n = 111) and OPCAB via median sternotomy group (n = 83). Short-term outcomes included: in-hospital mortality, perioperative myocardial infarction (MI), perioperative cerebrovascular adverse events (CAEs), chest drainage, reoperation for bleeding, duration of surgery, ventilation time, deep wound infection, packed red blood cell (pRBC) transfusion and duration of hospital stay. The long-term outcomes included: all-cause mortality, the incidence of MI and stroke, target vessel revascularization (TVR) and composite of mortality/MI/stroke. Propensity score matching (PSM) was used to match patients between the groups. Results: Before as well as after the PSM, no significant differences were observed between both groups in terms of in-hospital mortality, incidence of perioperative MI, incidence of CAEs, reoperation for bleeding, pRBC transfusions, deep wound infection and ventilation time. However, MIDCAB group had lower chest tube drainage and shorter hospital stay. On the other hand, OPCAB group had shorter time of surgery before as well as after PS matching. At 7-years, before and after PSM, freedom from all-cause mortality, MI, stroke, TVR as well as composite of mortality/MI/stroke were comparable between both groups. Conclusions: Short-term as well as long-term outcomes of MIDCAB in terms of mortality, MI, stroke, and target vessel revascularization are satisfactory and as safe and effective as OPCAB via sternotomy.