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List of works by Greg O'Grady

144 - Real-Time Evaluation of a Novel Gastric Pacing Device with High-Resolution Mapping

scholarly article published in May 2018

A Novel Gastric Pacing Device to Modulate Slow Waves and Assessment by High-Resolution Mapping

scientific article published on 05 February 2019

A Novel High-Density Electromyography Probe for Evaluating Anorectal Neurophysiology: Design, Human Feasibility Study, and Validation with Trans-Sacral Magnetic Stimulation

scientific article published on 31 July 2020

A Simulated Anatomically Accurate Investigation Into the Effects of Biodiversity on Electrogastrography

scientific article published on 12 June 2019

A Stochastic Algorithm for Generating Realistic Virtual Interstitial Cell of Cajal Networks

scientific article

A framework for simulating gastric electrical propagation in confocal microscopy derived geometries.

scientific article published in July 2017

A miniature bidirectional telemetry system forin vivogastric slow wave recordings ⬇️

scientific article published on June 1, 2012

A multiscale model of the electrophysiological basis of the human electrogastrogram

scientific article

A novel laparoscopic device for measuring gastrointestinal slow-wave activity

scientific article

A novel retractable laparoscopic device for mapping gastrointestinal slow wave propagation patterns.

scientific article published on 29 April 2016

A simplified biophysical cell model for gastric slow wave entrainment simulation ⬇️

scientific article published on January 1, 2013

A system and method for online high-resolution mapping of gastric slow-wave activity

scientific article

A systematic review of methods to palliate malignant gastric outlet obstruction

scientific article published on 24 June 2009

A theoretical analysis of anatomical and functional intestinal slow wave re-entry

scientific article published on 24 April 2017

Aberrant Initiation and Conduction of Slow Wave Activity in Diabetic and Idiopathic Gastroparesis

scholarly article published in May 2011

Abnormal Initiation and Conduction of Slow-Wave Activity in Gastroparesis, Defined by High-Resolution Electrical Mapping ⬇️

scientific article published on May 27, 2012

Acute Slow Wave Responses to High-Frequency Gastric Electrical Stimulation in Patients With Gastroparesis Defined by High-Resolution Mapping.

scientific article published on 10 June 2016

Acute colonic pseudo-obstruction: A systematic review of aetiology and mechanisms.

scientific article published on August 2017

Ambulatory gastric mucosal slow wave recording for chronic experimental studies

scientific article published in July 2017

An Improved Foundation for the Investigation and Treatment of Gastric Dysrhythmia ⬇️

2012 doctoral thesis by Gregory O'Grady at University of Auckland

An Improved Method for the Estimation and Visualization of Velocity Fields from Gastric High-Resolution Electrical Mapping ⬇️

scientific article published on December 26, 2011

Automated Classification and Identification of Slow Wave Propagation Patterns in Gastric Dysrhythmia ⬇️

scientific article published on September 19, 2013

Automated classification of spatiotemporal characteristics of gastric slow wave propagation ⬇️

scientific article published on January 1, 2013

Biophysically Based Modeling of the Interstitial Cells of Cajal: Current Status and Future Perspectives ⬇️

scientific article published on 04 July 2011

Challenges in defining, diagnosing, and treating diabetic gastroparesis

scientific article published on 20 November 2017

Circumferential Loop and Functional Re-Entry as Novel Mechanisms of Small Intestine Pacesetting

scholarly article published in May 2011

Colonic Electromechanical Abnormalities Underlying Post-operative Ileus: A Systematic and Critical Review

article

Comparison of bowel dysfunction between colorectal cancer survivors and a non-operative non-cancer control group

scientific article published on 14 January 2020

Comparison of filtering methods for extracellular gastric slow wave recordings ⬇️

scientific article published on September 13, 2012

Computational Modeling of the Human Sodium Channel: Mechanical Stretch Effects on the Electrical Function of Interstitial Cells of Cajal and Smooth Muscle Cells

scholarly article published in May 2011

Concerning the validity of gastrointestinal extracellular recordings

scientific article published on 01 April 2015

Conduction Block, Escape, Competing Ectopics and Re-Entry in Porcine Gastric Dysrhythmia

scholarly article published in May 2011

Correct techniques for extracellular recordings of electrical activity in gastrointestinal muscle.

scientific article published on 30 March 2017

Correction to: High‑Resolution Colonic Manometry Pressure Profiles Are Similar in Asymptomatic Diverticulosis and Controls

scientific article published on 08 August 2020

Costs and outcomes of sacral nerve stimulation for faecal incontinence in New Zealand: a 10-year observational study

scientific article published on 13 January 2020

Design and application of a novel gastric pacemaker

scientific article published in July 2017

Detection of the Recovery Phase of in vivo gastric slow wave recordings

scientific article published on August 2015

Determining the efficient inter-electrode distance for high-resolution mapping using a mathematical model of human gastric dysrhythmias.

scientific article published on August 2015

Developmental changes in postnatal murine intestinal interstitial cell of Cajal network structure and function

scientific article

Effect of prucalopride to improve time to gut function recovery following elective colorectal surgery: randomized clinical trial

Effects of Anatomical Variations on Body Surface Gastric Mapping

scientific article published on 01 July 2020

Electrical Stimulation and Recovery of Gastrointestinal Function Following Surgery: A Systematic Review

scientific article published on 19 November 2018

Emergence of Circumferential Slow Wave Propagation During Gastric Dysrhythmias in Diabetic Gastroparesis

scholarly article

Experimental and Automated Analysis Techniques for High-resolution Electrical Mapping of Small Intestine Slow Wave Activity

scientific article

Extending the automated gastrointestinal analysis pipeline: Removal of invalid slow wave marks in gastric serosal recordings

scientific article

Faecal incontinence is associated with an impaired rectosigmoid brake and improved by sacral neuromodulation

Falling-edge, variable threshold (FEVT) method for the automated detection of gastric slow wave events in high-resolution serosal electrode recordings

scientific article

Feasibility of High-Resolution Electrical Mapping for Characterizing Conduction Blocks Created by Gastric Ablation

scientific article published on 01 July 2019

Functional physiology of the human terminal antrum defined by high-resolution electrical mapping and computational modeling.

scientific article

Gastric arrhythmias in gastroparesis: low- and high-resolution mapping of gastric electrical activity

scientific article

Gastrografin may reduce time to oral diet in prolonged post-operative ileus: a pooled analysis of two randomized trials.

scientific article published on 6 March 2018

Gastrointestinal system ⬇️

scientific article published on January 1, 2010

High-Resolution Colonic Manometry Pressure Profiles Are Similar in Asymptomatic Diverticulosis and Controls

scientific article published on 12 May 2020

High-frequency gastric electrical stimulation for the treatment of gastroparesis: a meta-analysis

scientific article

High-resolution anatomic correlation of cyclic motor patterns in the human colon: Evidence of a rectosigmoid brake

scientific article published on 23 March 2017

High-resolution entrainment mapping of gastric pacing: a new analytical tool

scientific article

High-resolution optical mapping of gastric slow wave propagation

scientific article published on 20 August 2018

Hyperactive cyclic motor activity in the distal colon after colonic surgery as defined by high-resolution colonic manometry

scientific article published on 14 April 2018

Improved signal processing techniques for the analysis of high resolution serosal slow wave activity in the stomach ⬇️

scientific article published on January 1, 2011

Loss of Interstitial Cells of Cajal and Patterns of Gastric Dysrhythmia in Patients With Chronic Unexplained Nausea and Vomiting

scientific article

Manometry of the Human Ileum and Ileocaecal Junction in Health, Disease and Surgery: A Systematic Review

scientific article published on 15 April 2020

Mapping small intestine bioelectrical activity using high-resolution printed-circuit-board electrodes.

scientific article

Methods for High-Resolution Electrical Mapping in the Gastrointestinal Tract

scientific article published on 29 August 2018

Multi-day, multi-sensor ambulatory monitoring of gastric electrical activity

scientific article published on 01 March 2019

Network meta-analysis of local and regional analgesia following colorectal resection

scientific article published on 01 January 2020

Novel chyme reinfusion device for gastrointestinal fistulas and stomas: feasibility study

scientific article published on 18 April 2020

Optimization of Gastric Pacing Parameters Using High-Resolution Mapping

scientific article published in October 2023

Origin and propagation of human gastric slow-wave activity defined by high-resolution mapping

scientific article

Patient-Administered Transcutaneous Electrical Nerve Stimulation for Postoperative Pain Control After Laparoscopic Cholecystectomy: A Randomized, Sham-Controlled Feasibility Trial

scientific article published on 01 October 2020

Patterns of Abnormal Gastric Pacemaking After Sleeve Gastrectomy Defined by Laparoscopic High-Resolution Electrical Mapping.

scientific article published in August 2017

Placebo Response Rates in Electrical Nerve Stimulation Trials for Fecal Incontinence and Constipation: A Systematic Review and Meta-Analysis

scientific article published on 30 December 2019

Progress in Mathematical Modeling of Gastrointestinal Slow Wave Abnormalities.

scientific article published in January 2017

Prolonged Postoperative Ileus Significantly Increases the Cost of Inpatient Stay for Patients Undergoing Elective Colorectal Surgery: Results of a Multivariate Analysis of Prospective Data at a Single Institution

scientific article published on 01 May 2019

Prolonged postoperative ileus following right‐ versus left‐sided colectomy: A systematic review and meta‐analysis

Prospective comparison of return of bowel function after left versus right colectomy

scientific article published on 2 November 2016

Quantification of gastric emptying caused by impaired coordination of pyloric closure with antral contraction: a simulation study

scientific article published on 07 August 2019

Re-admissions after ileostomy formation: a retrospective analysis from a New Zealand tertiary centre

scientific article published on 17 August 2020

Recent progress in gastric arrhythmia: pathophysiology, clinical significance and future horizons

scientific article

Relationships between serum electrolyte concentrations and ileus: A joint clinical and mathematical modeling study

scientific article published on 01 February 2021

Response to Re: Trends in publication of general surgical research in New Zealand, 1996-2015.

scientific article published in April 2017

Simultaneous anterior and posterior serosal mapping of gastric slow-wave dysrhythmias induced by vasopressin.

scientific article

Slow-wave coupling across a gastroduodenal anastomosis as a mechanism for postsurgical gastric dysfunction: evidence for a "gastrointestinal aberrant pathway"

scientific article published on 06 June 2019

Suppression of ventilation artifacts for gastrointestinal slow wave recordings

scientific article

Targeted ablation of gastric pacemaker sites to modulate patterns of bioelectrical slow wave activation and propagation in an anesthetized pig model

scientific article published in April 2022

The "rectosigmoid brake": Review of an emerging neuromodulation target for colorectal functional disorders.

scientific article

The Gastric Electrical Mapping Suite (GEMS): Software for Analyzing and Visualizing Gastrointestinal Multi-Electrode Recordings

scholarly article published in May 2011

The analysis of human gastric pacemaker activity ⬇️

scientific article published on 01 March 2012

The bioelectrical basis and validity of gastrointestinal extracellular slow wave recordings ⬇️

scientific article published on May 27, 2013

The gastrointestinal electrical mapping suite (GEMS): software for analyzing and visualizing high-resolution (multi-electrode) recordings in spatiotemporal detail ⬇️

scientific article published on June 6, 2012

The impact of surgical excisions on human gastric slow wave conduction, defined by high-resolution electrical mapping and in silico modeling.

scientific article

The impact of transanal tube design for preventing anastomotic leak in anterior resection: a systematic review and meta-analysis

scientific article published on 30 October 2020

The influence of interstitial cells of Cajal loss and aging on slow wave conduction velocity in the human stomach

scientific article published on 01 January 2021

The virtual intestine: in silico modeling of small intestinal electrophysiology and motility and the applications.

scientific article

Toward the virtual stomach: progress in multiscale modeling of gastric electrophysiology and motility ⬇️

scientific article published on 05 March 2013

Trainees reignite academic surgery

scientific article

Trends in publication of general surgical research in New Zealand, 1996-2015.

scientific article published on November 2016

Validation of non-invasive body-surface gastric mapping for detecting gastric slow wave spatiotemporal features by simultaneous serosal mapping in porcine

scientific article published in 2022

Virtual ICC Network Generation Algorithms for Modeling the Physiological Consequences of ICC Depletion

scholarly article published in May 2011

Viscous Content Affects the Dynamics of Manometric Recordings – An Important Issue for the Interpretation of Manometry in the Colon

scholarly article published in May 2011

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