Search Results - "Hamilton, M. K."

Image velocimetry and spectral analysis enable quantitative characterization of larval zebrafish gut motility by Ganz, J., Baker, R. P., Hamilton, M. K., Melancon, E., Diba, P., Eisen, J. S., Parthasarathy, R.

“…Background Normal gut function requires rhythmic and coordinated movements that are affected by developmental processes, physical and chemical stimuli, and…”
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Chemical alarm signalling in the polychaete Nereis (Neanthes) virens (Sars) (Annelida: Polychaeta) by Watson, G.J., Hamilton, K.M., Tuffnail, W.E.

“…Many aquatic organisms use chemical signals as a method of detecting the presence of a predator, but it is not known whether annelids do so. Nereis (Neanthes)…”
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The effect of obesity on electrocardiographic detection of hypertensive left ventricular hypertrophy: recalibration against cardiac magnetic resonance by Rodrigues, J C L, McIntyre, B, Dastidar, A G, Lyen, S M, Ratcliffe, L E, Burchell, A E, Hart, E C, Bucciarelli-Ducci, C, Hamilton, M C K, Paton, J F R, Nightingale, A K, Manghat, N E

“…Electrocardiograph (ECG) criteria for left ventricular hypertrophy (LVH) are a widely used clinical tool. We recalibrated six ECG criteria for LVH against…”
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Use of expiratory CT pulmonary angiography to reduce inspiration and breath-hold associated artefact: Contrast dynamics and implications for scan protocol by Mortimer, A.M, Singh, R.K, Hughes, J, Greenwood, R, Hamilton, M.C.K

“…Aim To investigate the effects of scanning in expiration during computed tomography pulmonary angiography (CTPA). Materials and methods One hundred and…”
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Tube potential can be lowered to 80 kVp in test bolus phase of CT coronary angiography (CTCA) and CT pulmonary angiography (CTPA) to save dose without compromising diagnostic quality by Rodrigues, J. C. L., Joshi, D., Lyen, S. M., Negus, I. S., Manghat, N. E., Hamilton, M. C. K.

“…Objectives The purpose of this study was to determine whether performing the test bolus (TB) of computed tomography coronary angiography (CTCA) and computed…”
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Electrocardiographic detection of hypertensive left atrial enlargement in the presence of obesity: re-calibration against cardiac magnetic resonance by Rodrigues, J C L, Erdei, T, Dastidar, A G, McIntyre, B, Burchell, A E, Ratcliffe, L E K, Hart, E C, Hamilton, M C K, Paton, J F R, Nightingale, A K, Manghat, N E

“…Left atrial enlargement (LAE) has adverse prognostic implications in hypertension. We sought to determine the accuracy of five electrocardiogram (ECG) criteria…”
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Intravenous contrast medium administration at 128 multidetector row CT pulmonary angiography: Bolus tracking versus test bolus and the implications for diagnostic quality and effective dose by Rodrigues, J.C.L, Mathias, H, Negus, I.S, Manghat, N.E, Hamilton, M.C.K

“…Aim To investigate the effects of a test bolus protocol contrast medium administration on diagnostic image quality in computed tomography pulmonary angiography…”
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Wave intensity analysis in the internal carotid artery of hypertensive subjects using phase-contrast MR angiography and preliminary assessment of the effect of vessel morphology on wave dynamics by Neumann, S, Sophocleous, F, Kobetic, M D, Hart, E C, Nightingale, A K, Parker, K H, Hamilton, M K, Biglino, G

“…Hypertension is associated with reduced cerebral blood flow, but it is not known how this impacts on wave dynamics or potentially relates to arterial…”
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Prevalence and seasonality of Hematodinium (Alveolata: Syndinea) in a Scottish crustacean community by Hamilton, K. M., Shaw, P. W., Morritt, D.

“…Hamilton, K. M., Shaw, P. W., and Morritt, D. 2009. Prevalence and seasonality of Hematodinium (Alveolata: Syndinea) in a Scottish crustacean community. – ICES…”
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Pulmonary venous evaluation using electrocardiogram-gated 64-detector row cardiac CT by MANGHAT, N. E, MATHIAS, H. C, KAKANI, N, HAMILTON, M. C. K, MORGAN-HUGHES, G, ROOBOTTOM, C. A

“…Radiofrequency ablation of the pulmonary veins is an accepted treatment for atrial fibrillation. An accurate knowledge of pulmonary venous anatomy and…”
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Bolus tracked computed tomographic pulmonary angiography in the acute care setting: Is it still valid? by Hamilton, M.C.K., Greco, F., Manghat, N.E.

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Pain perception during baroreceptor unloading by lower body negative pressure by Neumann, S., Hamilton, M. C. K., Hart, E. C., Brooks, J. C. W.

“…Background People with high blood pressure have reduced sensitivity to pain, known as blood pressure hypoalgesia. One proposed mechanism for this is altered…”
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Controversy in coronaViral Imaging and Diagnostics (COVID) by Hamilton, M.C.K., Lyen, S., Manghat, N.E.

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A case report of a normal aorta misdiagnosed as type A dissection by modern multidetector computed tomography by Hamilton, M. C. K., Nightingale, A. K., Masey, S., Stuart, A. G., Angelini, G., Hopkins, R., McGann, G.

“…Computed tomography (CT) is generally considered the investigation of choice to exclude acute aortic syndrome. We report an important potentially disastrous…”
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Computed tomography-derived fractional flow reserve (FFRCT) has no additional clinical impact over the anatomical Coronary Artery Disease - Reporting and Data System (CAD-RADS) in real-world elective healthcare of coronary artery disease by Hamilton, M.C.K., Charters, P.F.P., Lyen, S., Harries, I.B., Armstrong, L., Richards, G.H.C., Strange, J.W., Johnson, T., Manghat, N.E.

“…To evaluate the impact of computed tomography-derived fractional flow reserve (FFRCT) compared to the anatomical Coronary Artery Disease - Reporting and Data…”
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Re: Controversy in coronaViral Imaging and Diagnostics (COVID). A reply by Hamilton, M.C.K., Lyen, S., Manghat, N.E.

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CT pulmonary angiography: optimising acute thoracic imaging by fixed-timing contrast medium delivery with a modified breathing instruction by Brolund-Napier, C.N., ffrench-Constant, A.E., Neumann, S., Paull, J.C., Fenton, N.K., Jones, C.A., Lyen, S., Manghat, N.E., Hamilton, M.C.K.

“…To compare the thoracic vascular opacification achieved using the standard bolus-tracking protocol (BTP) with a fixed-timing protocol (FTP) with a modified…”
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A quality-improvement project to enhance systemic arterial contrast opacification in CT for trans-catheter aortic valve implantation by Komber, H.M.E.I., Neumann, S., Paull, J., Andrade, M. Gesteira, Lyen, S.M., Manghat, N.E., Hamilton, M.C.K.

“…To assess improvement in arterial opacification by optimising the contrast medium dosing protocol for computed tomography (CT) prior to trans-catheter aortic…”
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Electrocardiography-gated CT for acute aortic syndrome: quantifying the potential impact of subspecialty national recommendations on emergency general radiology reporting by Hamilton, M.C.K., Harries, I., Lopez-Bernal, T., Karteszi, H., Redfern, E., Lyen, S., Manghat, N.E.

“…To evaluate the detection of acute aortic syndrome (AAS) and the prevalence of alternative diagnoses that may explain the presentation or require follow-up…”
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Comparison between a fixed-dose contrast protocol and a weight-based contrast dosing protocol in abdominal CT by George, A.J, Manghat, N.E, Hamilton, M.C.K

“…Aim To compare a fixed-dose intravenous iodinated contrast medium protocol with weight-based dosing protocols for abdominal computed tomography (CT). Materials…”
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