Related Experiment Video
Updated: May 13, 2026
09:12
Surgical Swine Model of Chronic Cardiac Ischemia Treated by Off-Pump Coronary Artery Bypass Graft Surgery
Published on: March 27, 2018
[Vascular reactions during cardiac surgery]
Khirurgiia
|March 19, 2013
Summary
This study on ischemic heart disease patients found that functional tests and modified infusion therapy improve vascular reaction management during cardiac surgery. This allows for more precise adjustments to anesthesia and better patient outcomes.
Area of Science:
- Cardiology
- Anesthesiology
- Vascular Surgery
Background:
- Ischemic heart disease (IHD) management during cardiac surgery requires careful control of vascular dynamics.
- Artificial blood circulation and polycomponent anesthesia present unique challenges in maintaining hemodynamic stability.
- Standard infusion therapy may not adequately address dynamic vascular reactions in all patients.
Purpose of the Study:
- To evaluate a modified infusion therapy protocol combined with functional tests for managing vascular reactions in IHD patients undergoing cardiac surgery.
- To assess the efficacy of passive limb elevation and volume load tests in guiding individualized fluid management.
- To determine if simultaneous monitoring of tissue and brain oxygenation improves the assessment and correction of intraoperative vascular events.
Main Methods:
- Analysis of treatment outcomes in 96 IHD patients, divided into a main group (n=54) and a control group (n=42).
- The main group received a modified infusion therapy protocol and functional tests (passive limb elevation, volume load test).
- The control group received standard infusion therapy; both groups underwent surgery with artificial blood circulation and polycomponent anesthesia.
Main Results:
- Functional tests enabled a more individualized calculation of fluid volume to correct vascular reactions during initial anesthesia.
- Simultaneous monitoring of tissue and brain oxygenation allowed for adequate assessment and correction of short vascular reactions.
- During short vascular reactions, tissue perfusion inversely correlated with arterial blood pressure in the absence of cardiac insufficiency.
Conclusions:
- A modified infusion therapy protocol incorporating functional tests and advanced monitoring enhances the management of dynamic vascular reactions during IHD surgery.
- Individualized fluid management guided by functional tests and oxygenation monitoring is crucial for optimizing intraoperative conditions.
- The findings suggest a valuable approach for improving patient safety and surgical outcomes in complex cardiac procedures.
Related Concept Videos
01:28Cardiomyopathy VII: Pre and Post Operative Nursing Management
Patients with hypertrophic cardiomyopathy (HCM) and left ventricular outflow tract (LVOT) obstruction who remain symptomatic despite optimal medical therapy may undergo a septal myectomy (Morrow procedure). This procedure involves excising a portion of the hypertrophied septum below the aortic valve using a heart-lung machine to improve blood flow through the LVOT. Effective preoperative and postoperative nursing management ensures successful patient outcomes, minimizes complications, and...
01:26Cardiac Catheterization IV: Nursing Management
Nursing responsibilities before cardiac catheterization include:Assess for allergies and establish baseline health status.Before cardiac catheterization, assess the patient for allergies to contrast dye. Perform a comprehensive baseline assessment, including vital signs, heart and breath sounds, and a neurovascular assessment of the extremities, noting distal pulses, skin color, and temperature. Instruct the patient to fast for 8-12 hours before the procedure. Evaluate baseline laboratory...
01:22Aneurysm IV: Nursing Management
Vigilant monitoring for aneurysm rupture is essential for patients undergoing aortic surgery.Preoperative Nursing ManagementContinuously monitor the patient for manifestations of aneurysm rupture, such as pallor, weakness, tachycardia, hypotension, abdominal, back, groin, or periumbilical pain, changes in consciousness, and a pulsating abdominal mass. Regularly assess the patient's peripheral pulses.Instruct the patient to consume a clear liquid diet the day before surgery and administer...
01:23Peripheral Artery Disease V: Postoperative Nursing Management
During the postoperative period, it is crucial to focus on maintaining circulation, identifying and managing potential complications, and planning for discharge.Nursing AssessmentVital signs monitoring: Regularly monitor vital signs, including blood pressure, heart rate, respiratory rate, and temperature, to detect early signs of complications such as bleeding and infection.Circulation assessment: Monitor pulses, perform Doppler assessments, and check capillary refill, color, temperature, and...
01:16Vascular Spasm
The vascular phase, also known as vasospasm, is the initial stage of hemostasis, crucial for preventing excessive bleeding when a blood vessel is injured. After a vessel is cut, nerves in the damaged area trigger pain and other sensory impulses. Simultaneously, the smooth muscles in the vessel wall contract, resulting in a vascular spasm. This contraction reduces the vessel's diameter at the injury site, slowing or stopping blood loss through the vessel wall. Vascular spasms typically last for...
01:28Cardiac Catheterization I: Pre-Procedure Overview
Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...