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05). Receiver operating characteristic (ROC) curve analysis showed that the deep capillary plexus had high sensitivity and specificity for detecting vascular damage in SLE patients. CONCLUSIONS OCTA permits noninvasive quantitative assessment of retinal vessel density in SLE, allowing early detection of altered retinal circulation. Vessel density could be included in future assessment of SLE activity and damage scores.Animals can indirectly gather meaningful information about other individuals by eavesdropping on their third-party interactions. In particular, eavesdropping can be used to indirectly attribute a negative or positive valence to an individual and to adjust one's future behavior towards that individual. Few studies have focused on this ability in nonhuman animals, especially in nonprimate species. Here, we investigated this ability for the first time in domestic horses (Equus caballus) by projecting videos of positive and negative interactions between an unknown human experimenter (a "positive" experimenter or a "negative" experimenter) and an actor horse. The horses reacted emotionally while watching the videos, expressing behavioral (facial expressions and contact-seeking behavior) and physiological (heart rate) cues of positive emotions while watching the positive video and of negative emotions while watching the negative video. This result shows that the horses perceived the content of the videos and suggests an emotional contagion between the actor horse and the subjects. After the videos were projected, the horses took a choice test, facing the positive and negative experimenters in real life. The horses successfully used the interactions seen in the videos to discriminate between the experimenters. They touched the negative experimenter significantly more, which seems counterintuitive but can be interpreted as an appeasement attempt, based on the existing literature. see more This result suggests that horses can indirectly attribute a valence to a human experimenter by eavesdropping on a previous third-party interaction with a conspecific.PURPOSE The approach to repairing an initial umbilical hernia (IUH) varies substantially, and this likely depends on hernia size, patient age, sex, BMI, comorbidities including diabetes mellitus, and surgeon preference. Of these, only hernia size has been widely studied. This cross-sectional study aims to look at the practice pattern of umbilical hernia repair in the United States. METHODS A retrospective study was performed using data from the America Hernia Society Quality Collaborative. Patient characteristics included age, sex, hernia width, BMI, smoking status, and diabetes. Outcomes were use of mesh for repair, as well as surgical approach (open vs minimally invasive). Multivariate logistic regression was performed to assess the independent effect of age, sex, hernia width, BMI, smoking status, and diabetes on use of mesh and approach to repair. RESULTS 3475 patients were included. 74% were men. Mesh use was more common in men (67% vs 60%, P  35, P  less then  0.001). However, on multivariate analysis, mesh use was associated with increasing hernia width (OR 5.474, 95% CI 4.7-6.3) as well as BMI (OR 1.8, 95% CI 1.5-2.1) but not with age or sex. CONCLUSION The majority of IUH are performed open. Patient BMI and hernia defect size contribute to choice of surgical technique including use of mesh. The use of mesh in 33% of hernias below 1 cm demonstrates a gap between evidence and practice. Patient factors including patient age and sex had no impact on operative approach or use of mesh.PURPOSE An aging population has led to an increased number of patients with cardiovascular comorbidities requiring antithrombotic therapy. Perioperatively, surgeons should consider the increased risk of bleeding and thrombotic events in patients continuing or discontinuing these medications. We aimed to analyze the safety of continued antithrombotic therapy during open inguinal hernia repair. METHODS In this single-center, retrospective study, 4870 adult patients who underwent open inguinal hernia repair surgery by the same surgeon from 2008 January to 2019 March were included. Patients who underwent surgery while continuing antithrombotic therapy were included in the antithrombin group (n = 523) while those who were not under any antithrombotic therapy during the surgery were included in the control group (n = 4333). Using propensity score-matching, we then selected patients from each group with similar backgrounds. Surgery time, anesthesia time, postoperative bleeding, reoperation, and thrombotic event data were compared between the groups. Subgroup analysis based on the type of medications used was performed within the antithrombin group. RESULTS Ten patients in the antithrombin group and seven patients in the control group experienced postoperative bleeding (p  less then  0.001). The rate of postoperative bleeding was the highest in patients taking multiple medications. However, most were managed conservatively. Three patients from the antithrombin group experienced thrombotic events postoperatively (p = 0.001). CONCLUSIONS Patients receiving continued antithrombotic therapy had an increased risk of minor postoperative bleeding; however, they are a high-risk group for thrombotic events.BACKGROUND & AIMS Primary aim of this study is to determine whether the use of local anaesthesia performed with IINB and IHNB against spinal anaesthesia in inguinal hernia repair is accepted as an alternative medicine. METHODS 75 cases in the class of American Society of Anesthesia physical status (ASA) I-III between the ages of 18 and 75 diagnosed with single-sided inguinal hernia and hospitalized for surgery in general surgery clinic were prospectively and randomly included in this study. RESULTS There was statistically significant difference between the groups (30.14 ± 8.2 and 35.51 ± 9.39) in terms of the duration of the surgery. The duration was shorter in Group 1 (p  less then  0.001). There was statistically significant difference between the groups in terms of the duration of the first mobilization. It was significantly shorter in Group 2 than in Group 1 (5.71 ± 1.7 and 2.70 ± 1.53 min) (p  less then  0.001). Mean duration of length of hospital stay criteria was significantly shorter in Group 2 than in Group 1 (26.