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http://dx.doi.org/10.1007/s00104-024-02227-2 | DOI Listing |
J Clin Neurosci
December 2024
Department of Neurological Surgery, Keck School of Medicine of the University of Southern California, Los Angeles, CA, USA.
Background: Aneurysmal subarachnoid hemorrhage (aSAH) carries a high economic cost and clinical morbidity in the United States. Beyond prolonged admissions and poor post-injury functional status, there is an additional cost of chronic shunt-dependent hydrocephalus for many aSAH patients. Adjuvant lumbar drain (LD) placement has been hypothesized to promote clearance of subarachnoid blood from the cisternal space, with an ultimate effect of decreasing shunt placement rates.
View Article and Find Full Text PDFAm J Otolaryngol
December 2024
Department of Otolaryngology - Head & Neck Surgery, University of Michigan, Ann Arbor, MI, USA. Electronic address:
Purpose: We examined operative efficiency, rate of facial nerve paresis, and post-operative outcomes in patients undergoing retrograde (RGD) vs anterograde dissection (AGD) of the facial nerve controlling for tumor location.
Methods: Single-institution, retrospective analysis of patients with benign parotid tumors undergoing superficial parotidectomy with facial nerve dissection over a six-year period. Operative and pathology reports were reviewed to classify tumor size, location in relation to facial nerve branches, and technique for facial nerve dissection.
Chirurgie (Heidelb)
December 2024
Klinik für Allgemein‑, Viszeral‑, Thorax- und Transplantationschirurgie, Universitätsklinik Köln, Kerpener Str. 62, 50937, Köln, Deutschland.
Sci Rep
December 2024
School of Electrical Engineering, Kookmin University, Seoul, 02707, Republic of Korea.
This study optimizes V and ΔV in amorphous indium-gallium-zinc-oxide (a-IGZO) field-effect transistors (FETs) by examining the influence of both channel length (L) and Ga composition. It was observed that as the ratio of In: Ga: Zn changed from 1:1:1 to 0.307:0.
View Article and Find Full Text PDFTo address the challenges of performing in-situ tests on riverbed overburden gravel, this study employs three scaling methods-equal mass substitution, similar gradation, and the mixed method-to investigate the original gradation of the gravel. Large-scale triaxial consolidated drained shear tests were conducted to evaluate the effects of the maximum particle size reduction ratio (M) and confining pressure on the stress-strain behavior, fractal dimension, particle breakage, and the parameters of the Duncan-Chang model (an elastic model describing nonlinear stress-strain relationships). The study explores how scaling, based on fractal dimension and particle breakage rate, impacts the strength and deformation characteristics of gravel materials.
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