Results 121 to 130 of about 11,417,294 (302)

A simply connected surface of general type with p_g=0 and K^2=2

open access: yes, 2007
In this paper we construct a simply connected, minimal, complex surface of general type with p_g=0 and K^2=2 using a rational blow-down surgery and Q-Gorenstein smoothing theory.Comment: 19 pages, 6 figures.
A. Stipsicz   +36 more
core   +1 more source

High‐Risk Comorbidity Combinations in Older Patients Undergoing Emergency General Surgery

open access: yesJournal of The American Geriatrics Society, 2018
Over a million older patients in the United States are admitted yearly for emergency general surgery (EGS) conditions. Seven procedure types dominate: colon, small bowel, gallbladder, ulcer disease, adhesiolysis, appendix, and laparotomy operations.
V. Ho   +4 more
semanticscholar   +1 more source

Dwyer's filtration and topology of 4-manifolds [PDF]

open access: yesarXiv, 2002
Topological 4-dimensional surgery is conjectured to fail, in general, for free fundamental groups. M. Freedman and P. Teichner have shown that surgery problems with an arbitrary fundamental group have a solution, provided they satisfy a certain condition on Dwyer's filtration on second homology. We give a new geometric proof of this result, and analyze
arxiv  

Risk stratification tools in emergency general surgery

open access: yesTrauma Surgery & Acute Care Open, 2018
The use of risk stratification tools (RST) aids in clinical triage, decision making and quality assessment in a wide variety of medical fields. Although emergency general surgery (EGS) is characterized by a comorbid, physiologically acute patient ...
J. Havens   +6 more
semanticscholar   +1 more source

Clinical Outcome and Recurrence of Open versus Laparoscopic Nissen Fundoplication in the Republic of Kazakhstan during 2010-2021 [PDF]

open access: yesIranian Journal of Medical Sciences
Background: Surgical treatment of recurrent gastroesophageal reflux disease (GERD) negatively affects patients’ quality of life (QoL). Determination of risk factors is essential when considering a surgical approach.
Bolatbek Baimakhanov   +8 more
doaj   +1 more source

The Laplacian on hyperbolic 3-manifolds with Dehn surgery type singularities [PDF]

open access: yesComm. Anal. Geom. 17 (2009), no. 3, 505--528, 2007
We study the spectrum of the Laplacian on hyperbolic 3-manifolds with Dehn surgery type singularities and its dependence on the generalized Dehn surgery coefficients.
arxiv  

GENERAL SURGERY, PATHOLOGY AND THERAPY [PDF]

open access: green, 1908
Friedrich Trendelenburg
openalex   +1 more source

Past, present, and future of Emergency General Surgery in the USA

open access: yesAcute Medicine & Surgery, 2018
Emergency General Surgery (EGS) patients represent a unique group of acutely ill surgical patients at high risk for death and complications. Since the inception of EGS as a surgical subspecialty in the early 2000s, there have been significant ...
H. Lyu, Peter A. Najjar, J. Havens
semanticscholar   +1 more source

Multimodal management strategies for chronic pain after spinal surgery: a comprehensive review [PDF]

open access: yesAnesthesia and Pain Medicine
“Chronic pain after spinal surgery” (CPSS) is a nonspecific term for cases in which the end result of surgery generally does not meet the preoperative expectations of the patient and surgeon.
Jung-Pil Yoon   +3 more
doaj   +1 more source

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