Continuous SvO2 was monitored in 25 patients undergoing cardiac surgery, selected by preoperative conditions, risk and perioperative indications. SvO2 trends were compared to cutaneous temperature, left atrial pressure and pulse oximetry. The results indicate a good correlation of all trends.
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Positive end-expiratory pressure increases intracranial pressure but not pressure reactivity index in supine and prone positions: a porcine model study.
Front Med (Lausanne)
January 2025
Department of Clinical Medicine, Faculty of Health Sciences, UiT The Arctic University of Norway, Tromsø, Norway.
Introduction: Positive end-expiratory pressure (PEEP) and prone positioning can improve gas exchange by promoting uniform lung aeration. However, elevated ventilation pressures may increase intracranial pressure (ICP) and disrupt cerebral autoregulation. This study investigated the effects of PEEP on ICP and cerebral autoregulation in a porcine model with healthy lungs and normal ICP, comparing prone and supine positions.
View Article and Find Full Text PDFCommentary on: Venous Leak Embolization Results in Clinical Improvement of Patients with Mixed Arterio-Venous Erectile Dysfunction Not Responding to Arterial Revascularization Alone.
Cardiovasc Intervent Radiol
January 2025
Department of Radiology, Cork University Hospital, Wilton, Cork, Ireland.
Evaluation of MRI characterisation of histopathologically matched lymph nodes and other mesorectal nodal structures in rectal cancer.
Eur Radiol
January 2025
Department of Diagnostics and Intervention, Diagnostic Radiology, Umeå University, Umeå, Sweden.
Purpose: To evaluate current MRI-based criteria for malignancy in mesorectal nodal structures in rectal cancer.
Method: Mesorectal nodal structures identified on baseline MRI as lymph nodes were anatomically compared to their corresponding structures histopathologically, reported as lymph nodes, tumour deposits or extramural venous invasion. All anatomically matched nodal structures from patients with primary surgery and all malignant nodal structures from patients with neoadjuvant treatment were included.
Neuromuscular Electrostimulation Increases Microcirculatory Flux in Mixed Etiology Leg Ulcers.
Adv Skin Wound Care
January 2025
Keith Gordon Harding, Mb ChB, CBE, FRCGP, FRCP, FRCS, FLSW, is Professor Emeritus Cardiff University, Cardiff, Wales; Adjunct Professor Monash University Malaysia, Subang Jaya, Selangor, Malaysia; and Co-Founder and Editor in Chief of the International Wound Journal. Melissa Blow, BSc, is Principal Podiatrist, South East Wales Vascular Network, Aneurin Bevan University Health Board, Cardiff, Wales. Faye Ashton, BSc, is Vascular Research Nurse, Leicester Biomedical Research Centre, Glenfield University Hospital, Leicester, United Kingdom. David Bosanquet, MD, is Consultant Vascular Surgeon, South East Wales Vascular Network, Aneurin Bevan University Health Board. Acknowledgments: The authors acknowledge the assistance of Firstkind Ltd, Hawk House, Peregrine Business Park, Gomm Road, High Wycombe, United Kingdom HP13 7DL for sponsoring the study (grant ref: FSK-SPECKLE-001) and provided the NMES devices for the trial. Keith Harding has received payments for consulting work from Firstkind Ltd. The authors have disclosed no other financial relationships related to this article. Submitted November 28, 2023; accepted in revised form April 17, 2024.
Objective: To determine if intermittent neuromuscular electrostimulation (NMES) of the common peroneal nerve increases microvascular flow and pulsatility in and around the wound bed of patients with combined venous and arterial etiology.
Methods: Seven consenting participants presenting with mixed etiology leg ulcers participated in this study. Microvascular flow and pulsatility was measured in the wound bed and in the skin surrounding the wound using laser speckle contrast imaging.
Pure CO and impure CO-SO-NO-O reactions with carbon storage site underlying seals: Coaly mudstones and carbonate cemented sandstones.
Sci Total Environ
January 2025
School of the Environment, University of Queensland, QLD, Australia.
The transition to net zero emissions requires the capture of carbon dioxide from industrial point sources, and direct air capture (DAC) from the atmosphere for geological storage. Dissolved CO has reactivity to rock core, and while the majority of previous studies have concentrated on reservoir rock or cap-rock reactivity, the underlying seal formation may also react with CO. Drill core from the underlying seal of a target CO storage site was reacted at in situ conditions with pure CO, and compared with an impure CO stream with SO, NO and O that could be expected from hard to abate industries.
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