BACKGROUND We previously reported that arterial infarction of vital organs after lobectomy might occur only after left upper lobectomy and be caused by thrombosis in the left superior pulmonary vein stump. We hypothesized that changes in blood flow, such as blood stasis and disturbed stagnant flow, in the left superior pulmonary vein stump cause thrombosis, and this was evaluated by intraoperat...

BACKGROUND Restorative proctocolectomy with ileopouch-anal anastomosis (IPAA) is the treatment of choice for intractable or complicated ulcerative colitis(UC). Elderly patients often present with acute colitis requiring emergent subtotal colectomy(SC). Frail patients are at risk of developing septic complications related to the closed rectosigmoidal stump, often requiring formation of a second ...

background: surgical crown lengthening is needed for teeth with subgingival caries, fractured teeth, insufficient crown length, and deep subgingival margin of failed restorations. since there is no agreement on the effects of crown lengthening surgery on gingival parameters, the purpose of this study was to evaluate periodontal parameters in patients who needed crown lengthening surgery. method...

introduction: repair of peripheral nerve injuries is an intensive area of challenge and research in modern reconstructive microsurgery. intensive research is being carried out to develop effective alternatives to the standard nerve autografting, avoiding its drawbacks. the aim of the study was to evaluate the effectiveness of a newly designed mechanical device for the reconstruction of the scia...

Carotid stump syndrome is a well-documented embolic source for ischemic stroke. However, few cases have been reported of a similar condition - termed vertebral artery stump syndrome - which affects the posterior circulation after vertebral artery origin occlusion. We herein report a case of infarction of the right superior cerebellar artery and left posterior inferior cerebellar artery territor...

Of 106 African patients undergoing appendicectomy, 56 patients had stump invagination and 50 had simple ligation. The two groups were similar with respect to age, duration of symptoms, incision, degree of appendix inflammation and post-operative antibiosis. Patients whose wounds were drained were excluded. The frequency of wound infection was 8.9% in stump invagination and 6% in simple ligation...

Introduction: Repair of peripheral nerve injuries is an intensive area of challenge and research in modern reconstructive microsurgery. Intensive research is being carried out to develop effective alternatives to the standard nerve autografting, avoiding its drawbacks. The aim of the study was to evaluate the effectiveness of a newly designed mechanical device for the reconstruction of the...

We report simulations of abnormal buy-and-hold stock return tests. Using benchmark portfolios purged of new-listings and rebalancing biases, we find severe misspecification of parametric tests, due in part to skewness. We document a negative relation between skewness bias and sample size, and an overlapping-horizons bias. Both biases become more severe as the holding period lengthens. The biase...

years of operation in patients whose initial lesion was malignant. In gastrectomy for peptic ulcer disease the peak incidence occurred around the fourth decade after operation 9. Gastric stump cancer surgically treated has bad prognosis. Was observed lower five-year survival in patients with gastric stump cancer than those with primary gastric cancer 10. The treatment of choice is surgical D2 r...

PURPOSE To determine whether stump pressure changes significantly over time during temporary internal carotid artery (ICA) occlusion via an endovascular balloon, and to examine correlations between stump pressure changes and cerebral blood flow (CBF) as measured by xenon CT. METHODS Seventy candidates for ICA sacrifice were evaluated preoperatively with a test occlusion of the cervical ICA us...