ArticleAmerican journal of physiology. Gastrointestinal and liver physiology2015
Noninvasive biomagnetic detection of intestinal slow wave dysrhythmias in chronic mesenteric ischemia.
Article in American journal of physiology. Gastrointestinal and liver physiology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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Who cites it
5 citing papers in PubMed, 22 citations in OpenAlex.
- Electromechanical Response of Mesenteric Ischemia Defined Through Simultaneous High-Resolution Bioelectrical and Video Mapping.Annals of biomedical engineering · 2024Article
- Magnetoenterography for the Detection of Partial Mesenteric Ischemia.The Journal of surgical research · 2019Article
- A Flexible Multiring Concentric Electrode for Non-Invasive Identification of Intestinal Slow Waves.Sensors (Basel, Switzerland) · 2018Article
- Progress in Mathematical Modeling of Gastrointestinal Slow Wave Abnormalities.Frontiers in physiology · 2017Review
- The virtual intestine: in silico modeling of small intestinal electrophysiology and motility and the applications.Wiley interdisciplinary reviews. Systems biology and medicineReview
Corrections and comments
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Authors and funding
6 authors at 4 institutions in 2 countries.
Funding
Abstract
Chronic mesenteric ischemia (CMI) is a challenging clinical problem that is difficult to diagnose noninvasively. Diagnosis early in the disease process would enable life-saving early surgical intervention. Previous studies established that superconducting quantum interference device (SQUID) magnetometers detect the slow wave changes in the magnetoenterogram (MENG) noninvasively following induction of mesenteric ischemia in animal models. The purpose of this study was to assess functional physiological changes in the intestinal slow wave MENG of patients with chronic mesenteric ischemia. Pre- and postoperative studies were conducted on CMI patients using MENG and intraoperative recordings using invasive serosal electromyograms (EMG). Our preoperative MENG recordings showed that patients with CMI exhibited a significant decrease in intestinal slow wave frequency from 8.9 ± 0.3 cpm preprandial to 7.4 ± 0.1 cpm postprandial (P < 0.01) that was not observed in postoperative recordings (9.3 ± 0.2 cpm preprandial and 9.4 ± 0.4 cpm postprandial, P = 0.86). Intraoperative recording detected multiple frequencies from the ischemic portion of jejunum before revascularization, whereas normal serosal intestinal slow wave frequencies were observed after revascularization. The preoperative MENG data also showed signals with multiple frequencies suggestive of uncoupling and intestinal ischemia similar to intraoperative serosal EMG. Our results showed that multichannel MENG can identify intestinal slow wave dysrhythmias in CMI patients.
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