Results 31 to 40 of about 306,382 (266)
Frontiers in SurgeryBackgroundThe cosmetic benefits of natural orifice specimen extraction (NOSE) are easily noticeable, but its principles of aseptic and tumor-free procedure have caused controversy.MethodsWe conducted a retrospective analysis of the clinical data of ...
Zhizhong Zheng +13 more
doaj +1 more source
Khyber Medical University Journal, 2020 OBJECTIVE: To share our experience of laparoscopic assisted Swenson pull-through for classic Hirschsprung’s disease (HD) with sigmoid colostomy. METHODS: Thirty-one patients with HD and sigmoid colostomy operated in Pediatric Surgery department ...
Sajjad Ali +5 more
doaj +1 more source
Sigmoid volvulus: Comorbidity with sigmoid gangrene.
Pakistan journal of medical sciences, 2019 Sigmoid volvulus (SV) is the wrapping of the sigmoid colon around its mesentery, and sigmoid gangrene is a catastrophic complication of SV. Although the diagnosis of SV is generally not difficult, unfortunately, most of the clinical, laboratory and radiological signs are not pathognomonic in demonstrating sigmoid gangrene.
Atamanalp, Refik Selim +2 more
openaire +5 more sources
Ileosigmoid knot during pregnancy: unusual cause of intestinal obstruction
PAMJ Clinical Medicine, 2020 Ileosigmoid knotting also known as compound volvulus or double volvulus, is a rare cause of intestinal obstruction. In this condition the ileum wraps around the base of the sigmoid colon and forms a knot, the condition is serious, generally progressing ...
Mohamed Anajjar +9 more
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[Unusual presentation of sigmoid diverticulitis. Sigmoid-vesical fistula in sigmoid diverticulitis]
Der Radiologe, 2011 A 68-year-old male patient presented with mild tenderness in the suprasymphyseal region, hematuria and dysuria. In this case typical symptoms of a sigmoid-vesical fistula were initially absent. Because of hematuria and the findings provided by urethrocystoscopy, the radiological diagnosis was a bladder tumor.
Jöres, A P W, Probst, P
openaire +3 more sources
Stabilization of Robots With a Regulator Containing the Sigmoid Mapping
IEEE Access, 2020 Actuators nonlinearities are unknown external perturbations in robots, which are unwanted because they can severely limit their performance. This research is focused on the stabilization of robots subject to actuators nonlinearities with a regulator ...
Dany Ivan Martinez +9 more
doaj +1 more source
Frontiers in Medicine, 2023 ObjectiveTo compare and analyze the mucosal metabolites and mucosal microbiota of different parts of colon in patients with IBS.MethodsA total of 10 patients with IBS-D and six healthy controls (HC) were enrolled.
Huiting Zhu +6 more
doaj +1 more source
Make the most of your samples : Bayes factor estimators for high-dimensional models of sequence evolution [PDF]
, 2013 Background: Accurate model comparison requires extensive computation times, especially for parameter-rich models of sequence evolution. In the Bayesian framework, model selection is typically performed through the evaluation of a Bayes factor, the ratio ...
Baele, Guy +2 more
core +2 more sources
A Robust Adaptive One‐Sample‐Ahead Preview Super‐Twisting Sliding Mode Controller
International Journal of Adaptive Control and Signal Processing, EarlyView.Block Diagram of the Robust Adaptive One‐Sample‐Ahead Preview Super‐Twisting Sliding Mode Controller. ABSTRACT This article introduces a discrete‐time robust adaptive one‐sample‐ahead preview super‐twisting sliding mode controller. A stability analysis of the controller by Lyapunov criteria is developed to demonstrate its robustness in handling both ...
Guilherme Vieira Hollweg +5 more
wiley +1 more source
Sunspot Rotation as a Driver of Major Solar Eruptions in NOAA Active Region 12158
, 2016 We studied the developing conditions of sigmoid structure under the influence of magnetic non-potential characteristics of a rotating sunspot in the active region (AR) 12158.
Cheng, X., Ravindra, B., Vemareddy, P.
core +1 more source