Benign gastrointestinal stricture significantly restricts enteral nutrition,which directly affects the quality of life of patients.Advances in endoscopic techniques have provided a minimally invasive means of reconstr...Benign gastrointestinal stricture significantly restricts enteral nutrition,which directly affects the quality of life of patients.Advances in endoscopic techniques have provided a minimally invasive means of reconstructing the enteral nutrition pathway in patients with gastrointestinal strictures.Endoscopic stricturotomy is a safe and effective way to open the nutritional pathway,especially for those with anatomic stricture length<1 cm,and can be used either as the primary choice of treatment for patients with gastrointestinal stricture or as rescue therapy for refractory cases.Endoscopic stricturotomy can be executed with radial incision and cutting or circular incision and cutting.After the stricturotomy,other endoscopic treatments,such as endoscopic balloon dilation,stent implantation,and intra-lesional injection of steroids,can be used to prevent the development of re-stricture.This article reviews the clinical experiences with endoscopic stricturotomy for opening strictures along the enteral nutrition pathway in patients with gastrointestinal strictures.展开更多
The partial inverse problem for differential pencils on a star-shaped graph is studied from mixed spectral data.More precisely,we show that if the potentials on all edges on the star-shaped graph but one are known a p...The partial inverse problem for differential pencils on a star-shaped graph is studied from mixed spectral data.More precisely,we show that if the potentials on all edges on the star-shaped graph but one are known a priori then the unknown potential on the remaining edge can be uniquely determined by partial information on the potential and a part of eigenvalues.展开更多
In this paper, we discuss the half inverse problem for Sturm–Liouville equations with boundary conditions dependent on the spectral parameter and a finite number of discontinuities inside the interval and prove the H...In this paper, we discuss the half inverse problem for Sturm–Liouville equations with boundary conditions dependent on the spectral parameter and a finite number of discontinuities inside the interval and prove the Hochstadt–Liberman type theorem for the above boundary-valued problem.展开更多
文摘Benign gastrointestinal stricture significantly restricts enteral nutrition,which directly affects the quality of life of patients.Advances in endoscopic techniques have provided a minimally invasive means of reconstructing the enteral nutrition pathway in patients with gastrointestinal strictures.Endoscopic stricturotomy is a safe and effective way to open the nutritional pathway,especially for those with anatomic stricture length<1 cm,and can be used either as the primary choice of treatment for patients with gastrointestinal stricture or as rescue therapy for refractory cases.Endoscopic stricturotomy can be executed with radial incision and cutting or circular incision and cutting.After the stricturotomy,other endoscopic treatments,such as endoscopic balloon dilation,stent implantation,and intra-lesional injection of steroids,can be used to prevent the development of re-stricture.This article reviews the clinical experiences with endoscopic stricturotomy for opening strictures along the enteral nutrition pathway in patients with gastrointestinal strictures.
基金supported by the Russian Ministry of Education and Science(Grant No.1.1660.2017/4.6)。
文摘The partial inverse problem for differential pencils on a star-shaped graph is studied from mixed spectral data.More precisely,we show that if the potentials on all edges on the star-shaped graph but one are known a priori then the unknown potential on the remaining edge can be uniquely determined by partial information on the potential and a part of eigenvalues.
文摘In this paper, we discuss the half inverse problem for Sturm–Liouville equations with boundary conditions dependent on the spectral parameter and a finite number of discontinuities inside the interval and prove the Hochstadt–Liberman type theorem for the above boundary-valued problem.
