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Invasive Hemodynamic Monitoring of Aortic and Pulmonary Artery Hemodynamics in a Large Animal Model of ARDS
Published on: November 26, 2018
Mesenteric oxyhemoglobin desaturation improves with patent ductus arteriosus ligation
S D Meier1, B K Eble, G E Stapleton
1Division of Pediatric Cardiology, Baylor College of Medicine, Texas Children's Hospital, Houston, 77030, USA.
Summary
Near-infrared spectroscopy monitored brain and gut oxygen levels in a preterm infant during surgery for a patent ductus arteriosus. The surgery successfully improved gut oxygen levels, indicating a positive outcome.
Area of Science:
- Neonatal surgery
- Medical device technology
- Physiological monitoring
Background:
- Patent ductus arteriosus (PDA) is a common condition in preterm infants, potentially leading to complications like reduced organ perfusion.
- Monitoring regional oxygenation is crucial for assessing tissue perfusion in neonates during critical procedures.
- Near-infrared spectroscopy (NIRS) offers a non-invasive method for real-time assessment of cerebral and mesenteric oxygen saturation.
Observation:
- NIRS was employed to continuously track cerebral and mesenteric regional oximetry in a preterm neonate.
- The neonate was undergoing surgical ligation for a patent ductus arteriosus.
- Pre-operative monitoring revealed severe mesenteric oxyhemoglobin desaturation.
Findings:
- Surgical ligation of the patent ductus arteriosus was successfully performed.
- Immediately following the procedure, mesenteric oxyhemoglobin saturation significantly improved.
- Cerebral oxygenation trends were also monitored throughout the surgical intervention.
Implications:
- This case highlights the utility of NIRS in monitoring organ perfusion during neonatal surgery.
- Timely intervention for PDA can effectively restore mesenteric oxygenation in preterm infants.
- NIRS can guide surgical decisions and post-operative management by providing real-time physiological data.

