This study reveals associative processes for novel words in a second language (L2) and their referents. Thirty Japanese participants learned associative pairs for novel words in Chinese and pictorial referents (CP), as well as novel words in Chinese and words in Japanese (CJ), against a condition in which they learned only novel words in Chinese (C). After the learning phase, participants conducted two learning condition retrieval tasks for word recognition and three recognition tasks for the source-monitoring of the referents. The correct answers for each recognition task were provided to participants after each trial. Although the correct answers in all conditions increased in both the recognition and learning condition retrieval tasks, there was no significant difference among conditions. In contrast, the response times of the correct trials in all recognition tasks and the first learning condition retrieval tasks were faster for the CP condition than the CJ condition. Additionally, in the second learning condition retrieval task, missed items in associative conditions (CP and CJ conditions) were judged to be learned items more often than unlearned items, whereas missed items in the non-associative condition (C condition) were judged to be unlearned items more than learned items. These findings suggest that pictures contribute to the recognition and retrieval speeds of associations between novel words in L2 and referents, and that associative learning of L2 words and referents could enhance more familiarity effects than the learning of L2 words only.
To evaluate the mid-term outcomes of transarterial embolization (TAE) for type II endoleak after endovascular abdominal aortic aneurysm repair (EVAR) and investigate the predictors of sac enlargement after embolization.
Materials and Methods:We conducted a retrospective analysis of 55 patients (48 men and 7 women, median age 79.0 (interquartile ranges 74-82) years) who underwent TAE for type II endoleak from 2010 to 2018. The aneurysmal sac enlargement, endoleaks, aneurysm-related adverse event rate, and reintervention rate were evaluated.Patients' characteristics and clinical factors were evaluated for their association with sac enlargement.
Results:Fifty-five patients underwent TAE with technical success and were subsequently followed for a median of 636 (interquartile ranges 446-1292) days. The freedom from sac enlargement rates at 1, 3, and 5 years were 73.2%, 32.0%, and 26.7%, respectively. After initial TAE, the recurrent type II, delayed type I and occult type III endoleak were identified in 39 (71%), 5 (9%) and 3 (5%) patients, respectively. Although a patient had aorto-duodenal fistula, there was no aneurysm-related death. The freedom from reintervention rates were 84.6%, 35.7%, and 17.0%, respectively. In the multivariate analysis, sac diameter >55 mm at initial TAE (hazard ratios, 3.23; 95% confidence intervals, 1.22-8.58; P <0.05) was a significant predictor of sac 3 enlargement.
Conclusion:TAE for type II endoleak was not effective in preventing sac enlargement, and reinterventions were required among the mid-term follow-up. The sac diameter >55 mm at initial TAE was a significant predictor of sac enlargement.
Background
Postoperative biliary strictures are commonly related to accidental bile duct injuries or occur at the site of biliary anastomosis. The first-line treatment for benign biliary strictures is endoscopic therapy, which is less invasive and repeatable. However, recanalization for biliary complete obstruction is technically challenging to treat. The present report describes a successful case of treatment by extraluminal recanalization for postoperative biliary obstruction using a transseptal needle.
Case presentation
A 66-year-old woman had undergone caudal lobectomy for the treatment of hepatocellular carcinoma. The posterior segmental branch of the bile duct was injured and repaired intraoperatively. Three months after the surgery, the patient had developed biliary leakage from the right hepatic bile duct, resulting in complete biliary obstruction. Since intraluminal recanalization with conventional endoscopic and percutaneous approaches with a guidewire failed, extraluminal recanalization using a transseptal needle with an internal lumen via percutaneous approach was performed under fluoroscopic guidance. The left lateral inferior segmental duct was punctured, and an 8-F transseptal sheath was introduced into the ostium of right hepatic duct. A transseptal needle was advanced, and the right hepatic duct was punctured by targeting an inflated balloon that was placed at the end of the obstructed right hepatic bile duct. After confirming successful puncture using contrast agent injected through the internal lumen of the needle, a 0.014-in. guidewire was advanced into the right hepatic duct. Finally, an 8.5-F internal–external biliary drainage tube was successfully placed without complications. One month after the procedure, the drainage tube was replaced with a 10.2-F drainage tube to dilate the created tract. Subsequent endoscopic internalization was performed 5 months after the procedure. At the 1-year follow-up examination, there was no sign of biliary obstruction and recurrence of hepatocellular carcinoma.
Conclusions
Recanalization using a transseptal needle can be an alternative technique for rigid biliary obstruction when conventional techniques fail.
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