Publications by authors named "Ochsner A"

Purpose: The current study performed a post-occupancy evaluation on a new cancer infusion center with pod-like layout and compared results to a pre-occupancy evaluation to investigate the impact of different cancer infusion center designs on staff efficiency and patient and staff satisfaction.

Background: The new cancer infusion center opened in October 2020 and replaced two previously existing infusion centers, in the same healthcare system.

Methods: The study used a similar mixed-method approach as the pre-occupancy research, which included staff shadowing, medication delivery shadowing, and staff and patient questionnaires.

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Article Synopsis
  • The study investigates the relationship between isolated PIRADS 3 lesions found in the transitional zone (TZ) and peripheral zone (PZ) of the prostate, and the occurrence of clinically significant prostate cancer (csPCa) in patients undergoing biopsies.
  • Researchers analyzed data from a group of patients who had mpMRI-fusion biopsies from 2016 to 2021 and excluded those with prior cancer diagnoses or higher PIRADS scores.
  • Results showed that csPCa was significantly more prevalent in PZ lesions compared to TZ lesions, suggesting that PIRADS 3 lesions in the TZ are less likely to indicate clinically significant cancer, which is crucial for making biopsy decisions.
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Purpose: Both lower urinary tract symptoms (LUTS) and prostate cancer (PCa) are common in elderly men. While LUTS are generally due to a benign etiology, they may provoke an evaluation with prostate-specific antigen (PSA), which can lead to a cascade of further testing and possible overdiagnosis in patients with competing risks. There is limited patient and provider understanding of the relationship between LUTS and PCa risk, and a lack of clarity in how to evaluate these men to balance appropriate diagnosis of aggressive PCa with avoidance of overdiagnosis.

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Background: Prebiopsy prostate-specific antigen density (PSAD) is a well-known predictor of clinically significant prostate cancer (csPCa). Since prostate-specific antigen (PSA) and prostate volume (PV) increase normally with aging, PSAD thresholds may vary. The purpose of the study was to determine if PSAD was predictive of csPCa in different age strata.

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Objectives: This study aims to investigate the efficacy and outcomes of transurethral resection of the prostate (TURP) in the context of younger male patients.

Methods: Males aged ≤55 who underwent TURP at Rambam Health Care Campus from January 2011 to August 2023 were retrospectively reviewed. Clinicodemographic characteristics, indications for surgery, uroflowmetry, pressure-flow study, and early and late postoperative outcomes were collected.

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Background: "Shared decision-making" (SDM) is a cornerstone of prostate cancer (PCa) screening guidelines due to tradeoffs between clinical benefits and concerns for over-diagnosis and over-treatment. SDM requires effort by primary-care-providers (PCP) in an often busy clinical setting to understand patient preferences with the backdrop of patient risk factors. We hypothesized that SDM for PCa screening, given its prominence in guidelines and practical challenges, may be associated with quality preventative healthcare in terms of other appropriate cancer screening and encouragement of other preventative health behaviors.

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This study explores the potential of using cobalt ferrite (CF) nanoparticles grown in situ on eggshell membranes (ESM) to mitigate the increasing problem of electromagnetic interference (EMI). A simple carbonization process was adopted to synthesize CF nanoparticles on ESM. The study further examines the composites' surface morphology and chemical composition and evaluates their microwave absorption performance (MAP) at X-band frequency.

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Lanthanides were recently discovered as metals required in the active site of certain methanol dehydrogenases. Since then, the characterization of the lanthanome, that is, proteins involved in sensing, uptake, and utilization of lanthanides, has become an active field of research. Initial exploration of the response to lanthanides in methylotrophs has revealed that the lanthanome is not conserved and that multiple mechanisms for lanthanide utilization must exist.

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Purpose: Overall complication and leak rates in colorectal surgery showed only minor improvements over the last years and remain still high. While the introduction of the WHO Safer Surgery Checklist has shown a reduction of overall operative mortality and morbidity in general surgery, only minor attempts have been made to improve outcomes by standardizing perioperative processes in colorectal surgery. Nevertheless, a number of singular interventions have been found reducing postoperative complications in colorectal surgery.

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The spectrum of rhabdomyosarcomas continues to expand beyond the more widely recognized embryonal and alveolar types as newer and novel subtypes are identified. These variants are typically classified on the basis of recurring mutations or translocations and frequently show distinctive clinical, morphologic and immunophenotypic features. A case of newly characterized FUS gene rearranged epithelioid and spindle cell rhabdomyosarcoma presenting as an intra-oral mucosal lesion without evidence of an osseous component is described.

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Rare-earth elements (REEs) were recently discovered to be biologically significant. The finding was originally made with the methanol dehydrogenase XoxF, which depends on REEs for its activity, and reports of lanthanide-utilizing bacteria have since expanded. Environmental proteomics allows the identification of proteins specifically induced by the presence of lanthanides or can provide insights into the preferred use of lanthanide-dependent and -independent isoenzymes, for example.

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The present study has sought to investigate the fluid characteristic and mechanical properties of trabecular bone using fluid-structure interaction (FSI) approach under different trabecular bone orientations. This method imposed on trabecular bone structure at both longitudinal and transverse orientations to identify effects on shear stress, permeability, stiffness and stress regarded to the trabeculae. Sixteen FSI models were performed on different range trabecular cubes of 27 mm with eight models developed for each longitudinal and transverse direction.

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The objective of this study is to investigate the influence of veneering technique (hand-layering vs. milling) on the fracture resistance of bi-layer implant-supported zirconia-based hybrid-abutment crowns. Mandibular molar copings were anatomically designed and milled.

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Background: Early detection of recurrence through surveillance after curative surgery for primary colon cancer is recommended. We previously reported inadequate quality of surveillance among patients operated for colon cancer. These poor results led to the introduction of a personalized surveillance schedule.

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Background: Glaucoma, a characteristic type of optic nerve degeneration in the posterior pole of the eye, is a common cause of irreversible vision loss and the second leading cause of blindness worldwide. As an optic neuropathy, glaucoma is identified by increasing degeneration of retinal ganglion cells (RGCs), with consequential vision loss. Current treatments only postpone the development of retinal degeneration, and there are as yet no treatments available for this disability.

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Objective:  This study investigates the influence of the most commonly used indenter materials on fatigue survival and fracture resistance of zirconia crowns.

Materials And Methods:  A total of 40 zirconia crowns were prepared using computer-aided design (CAD)/computer-aided manufacturing (CAM) technology: 30 crowns were divided into three experimental groups of 10 specimens and the last 10 specimens acted as the control group. The experimental groups were subjected to chewing simulation with simultaneous thermocycling.

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Laser powder-bed fusion (LPBF) has significantly gained in importance and has become one of the major fabrication techniques within metal additive manufacturing. The fast cooling rates achieved in LPBF due to a relatively small melt pool on a much larger component or substrate, acting as heat sink, result in fine-grained microstructures and high oversaturation of alloying elements in the α-aluminum. Al-Si-Mg alloys thus can be effectively precipitation hardened.

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Hypothesis: Fixation of a 3-part radial head fracture with cannulated compression screws will show equivalent stiffness to a locking plate under axial load. Debate exists regarding the management of Mason type III fractures, with many believing that open reduction and internal fixation provides advantages over other options. By virtue of their subarticular placement, screw fixation is less likely to cause impingement compared with plate fixation, which can result in loss of rotation and requirement for hardware removal.

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Until recently, rare-earth elements (REEs) had been thought to be biologically inactive. This view changed with the discovery of the methanol dehydrogenase XoxF that strictly relies on REEs for its activity. Some methylotrophs only contain xoxF, while others, including the model phyllosphere colonizer Methylobacterium extorquens PA1, harbor this gene in addition to mxaFI encoding a Ca -dependent enzyme.

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Background: The lymph node ratio (LNR), i.e. the number of positive lymph nodes (LN) divided by the total number of analyzed LN, has been described as a strong outcome predictor in node-positive colon cancer patients.

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Purpose: The aim of this study was to investigate the fracture resistance under chewing simulation of implant-supported posterior restorations (crowns cemented to hybrid-abutments) made of different all-ceramic materials.

Materials And Methods: Monolithic zirconia (MZr) and monolithic lithium disilicate (MLD) crowns for mandibular first molar were fabricated using computer-aided design/computer-aided manufacturing technology and then cemented to zirconia hybrid-abutments (Ti-based). Each group was divided into two subgroups (n=10): (A) control group, crowns were subjected to single load to fracture; (B) test group, crowns underwent chewing simulation using multiple loads for 1.

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