Importance: Sepsis screening is recommended among hospitalized patients but is supported by limited evidence of effectiveness.
Objective: To evaluate the effect of electronic sepsis screening, compared with no screening, on mortality among hospitalized ward patients.
Design, Setting, And Participants: In a stepped-wedge, cluster randomized trial at 5 hospitals in Saudi Arabia, 45 wards (clusters) were randomized into 9 sequences, 5 wards each, to have sepsis screening implemented at 2-month periods.
Background: Castleman's disease (CD) is a rare lymphoproliferative, emulating both benign and malignant diseases. The diagnosis of CD is formulated upon the combination of clinical and laboratory criteria and ultimately confirmed by histopathological assessment. Due to its rarity, CD presents a challenge in treatment selection, with available options encompassing surgery, chemotherapy, and autologous stem cell transplantation.
View Article and Find Full Text PDFObjective: This systematic review and meta-analysis aims to investigate the effectiveness of left subclavian artery revascularization compared with non-revascularization in thoracic endovascular aortic repair, and to summarize the current evidence on its indications.
Methods: A computerized search was conducted across multiple databases, including MEDLINE, SCOPUS, Cochrane Library, and Web of Science, for studies published up to November 2023. Study selection, data abstraction, and quality assessment (using the Newcastle-Ottawa Scale) were independently conducted by two reviewers, with a third author resolving discrepancies.
Objectives: To evaluate radiomics features' reproducibility using inter-package/inter-observer measurement analysis in renal masses (RMs) based on MRI and to employ machine learning (ML) models for RM characterization.
Methods: 32 Patients (23M/9F; age 61.8 ± 10.
Introduction And Importance: Spontaneous iliac artery dissection (IAD) is a rare condition that is usually associated with connective tissue diseases. Complications include ischemia due to malperfusion and bleeding due to rupture. Treatments vary depending on the expertise and presenting symptoms; they include conservative, endovascular, and surgical options.
View Article and Find Full Text PDFThe dysmorphic facies, renal agenesis, ambiguous genitalia, microcephaly, polydactyly, and lissencephaly (DREAM-PL) syndrome is a rare autosomal recessive disorder characterized by dysmorphic facies, renal agenesis, ambiguous genitalia in males, microcephaly, polydactyly, and lissencephaly. The CTU2 gene, which encodes a protein involved in the post-transcriptional modification of tRNAs is the source of the syndrome's mutation. Several developmental abnormalities can result from a disruption of this modification, which is necessary for the proper translation of genes.
View Article and Find Full Text PDFFibromuscular dysplasia is a vascular disorder characterized by nonatherosclerotic, noninflammatory arterial abnormalities, primarily affecting renal arteries. While extrarenal involvement is rare, it poses diagnostic challenges due to diverse clinical presentations. We present the case of a middle-aged female who presented with sudden-onset severe abdominal pain and hypertension.
View Article and Find Full Text PDF(1) Background: Colorectal cancer is the third most common type of cancer with a high mortality rate and poor prognosis. The accurate prediction of key genetic mutations, such as the KRAS status, tumor staging, and extramural venous invasion (EMVI), is crucial for guiding personalized treatment decisions and improving patients' outcomes. MRI radiomics was assessed to predict the KRAS status and tumor staging in colorectal cancer patients across different imaging platforms to improve the personalized treatment decisions and outcomes.
View Article and Find Full Text PDFSolid renal masses (SRMs) are increasingly detected and encompass both benign and malignant masses, with renal cell carcinoma (RCC) being the most common malignant SRM. Most patients with SRMs will undergo management without a priori pathologic confirmation. There is an unmet need to noninvasively diagnose and characterize RCCs, as significant variability in clinical behavior is observed and a wide range of differing management options exist.
View Article and Find Full Text PDFBackground: Conventional MRI fails to detect regions of glioblastoma cell infiltration beyond the contrast-enhanced T1 solid tumor region, with infiltrating tumor cells often migrating along host blood vessels.
Purpose: MRI is capable of generating a range of image contrasts which are commonly assessed individually by qualitative visual inspection. It has long been hypothesized that better diagnoses could be achieved by combining these multiple images, so called multi-parametric or multi-spectral MRI.
Background Relevance: A plethora of literature is available regarding the clinical trials for natural products however; no information is available for critical assessments of the quality of these clinical trials.
Aim Of Study: This is a first time report to critically evaluate the efficacy, safety and large scale applications of up-to-date clinical trials for diabetes, based on the three scales of Jadad, Delphi, and Cochrane.
Methodology: An in-depth and extensive literature review was performed using various databases, journals, and books.
Phase-contrast magnetic resonance velocimetry (PC-MRI) has been widely used to investigate flow properties in numerous systems. In a horizontal cylindrical pipe (3 mm diameter), we investigated the accuracy of PC-MRI as the flow transitioned from laminar to turbulent flow (Reynolds number 352-2708). We focus primarily on velocimetry errors introduced by skewed intra-voxel displacement distributions, a consequence of PC-MRI theory assuming symmetric distributions.
View Article and Find Full Text PDFBrachial artery aneurysms and arteriovenous malformations (AVM) are limb-threatening vascular anomalies. This patient presented with a bilobed brachial artery aneurysm in the antecubital fossa proximally to an AVM arising from the dorsal interosseous and ulnar arteries that had been treated with endovascular embolization, leaving the hand solely supplied by the radial artery. The aneurysm continued to increase in size and imaging revealed concomitant thrombus.
View Article and Find Full Text PDFBackground: While it is generally agreed that histopathology is the gold standard for assessing non-invasive imaging biomarkers, most validation has been by qualitative visual comparison. To date, the difficulties involved in accurately co-registering histology sections with imaging slices have prevented a voxel-by-voxel assessment of imaging modalities. By contrast with previous studies, which focus on improving the registration algorithms, we have taken the approach of improving the quality of the histological processing and analysis.
View Article and Find Full Text PDFBackground: Conventional MRI fails to detect regions of glioblastoma cell infiltration beyond the contrast-enhanced T solid tumor region, with infiltrating tumor cells often migrating along host blood vessels.
Purpose: To quantitatively and qualitatively analyze the correlation between perfusion MRI signal and tumor cell density in order to assess whether local perfusion perturbation could provide a useful biomarker of glioblastoma cell infiltration.
Study Type: Animal model.
Phase contrast velocimetry (PCV) has been widely used to investigate flow properties in numerous systems. Several authors have reported errors in velocity measurements and have speculated on the sources, which have ranged from eddy current effects to acceleration artefacts. An often overlooked assumption in the theory of PCV, which may not be met in complex or unsteady flows, is that the intravoxel displacement distributions (propagators) are symmetric.
View Article and Find Full Text PDFValproic acid (VPA), a histone deacetylase (HDAC) inhibitor, is a widely used anticonvulsant drug that is currently undergoing clinical evaluation for anticancer therapy due to its anti-angiogenic potential. Endothelial cells (ECs) can transition into mesenchymal cells and this form of EC plasticity is called endothelial-to-mesenchymal transition (EndMT), which is widely implicated in several pathologies including cancer and organ fibrosis. However, the effect of VPA on EC plasticity and EndMT remains completely unknown.
View Article and Find Full Text PDF[Purpose] Insomnia is quite common and it can affect the quality of life of an individual. Students undergo stress due to various academic demands leading to sleeplessness and daytime sleepiness. This study was conducted to investigate the association between physical activity and insomnia among female Saudi students.
View Article and Find Full Text PDFBackground: Embryonic stem cells (ESCs) have the potential to form teratomas when implanted into immunodeficient mice, but data in immunocompetent mice are limited. We therefore investigated teratoma formation after implantation of three different mouse ESC (mESC) lines into immunocompetent mice.
Materials And Methods: BALB/c mice were injected with three highly germline competent mESCs (129Sv, BALB/c and C57BL/6) subcutaneously or under the kidney capsule.
Background: Current limitations to the experimentation on patients with peripheral arterial disease push the development of different preclinical strategies. We investigated both duration of ischemia and blood flow recovery in mouse models of partial femoral artery ligation.
Methods: Male BALB/c mice were used.
Introduction: The lateral periodontal cyst is an uncommon odontogenic developmental lesion and chiefly arises in the alveolar bone between the roots of a pair of erupted teeth or lateral to a tooth root. Two atypical cases of the lateral periodontal cyst occurring in periapical sites are reported.
Methods: Both lesions presented as an incidental radiographic finding, appearing as an apical radiolucency with well-circumscribed sclerotic borders.
Ameloblastomas are benign aggressive odontogentic tumors that exhibit insidious growth rates with attainment of extensive dimesions. Because ameloblastomas are not usually symptomatic until late in their clinical course, few are detected early. This article reports an atypical case of a small, painful ameloblastoma arising between the roots of the mandibular left canine and lateral incisor in a 66-year-old female.
View Article and Find Full Text PDFTracheobronchomegaly is a rare disorder of uncertain etiology, characterized by marked dilatation of the trachea and major bronchi, associated with tracheal diverticulosis, bronchiectasis and recurrent respiratory tract infection. We are reporting a 60-year-old man from the Kingdom of Saudi Arabia with this condition and review the literature for such a rare entity.
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