Related Experiment Video
Updated: Jul 19, 2026
16:11
Implantation of the Syncardia Total Artificial Heart
Published on: July 18, 2014
Hypophosphataemia causing profound cardiac failure after cardiac surgery
1Shackleton Department of Anaesthesia, Southampton Hospitals NHS Trust, Southampton, UK. richard@heames.co.uk
Anaesthesia
|November 9, 2006
Summary
Severe cardiac failure post-surgery was linked to low phosphate levels (hypophosphatemia). Intravenous phosphate rapidly improved heart function and blood sugar control, suggesting a potential new treatment approach.
Area of Science:
- Cardiology
- Endocrinology
- Critical Care Medicine
Background:
- Cardiac surgery can precipitate severe complications, including cardiac failure.
- Postoperative metabolic disturbances, such as hypophosphatemia, can exacerbate critical illness.
Observation:
- A patient developed severe cardiac failure and required high-dose inotropes post-cardiac surgery.
- The patient also exhibited significant hypophosphatemia and elevated insulin requirements immediately after the procedure.
Findings:
- Intravenous phosphate administration led to a rapid reduction in the need for inotropic support.
- Phosphate repletion also resulted in improved glycemic control in the patient.
Implications:
- This case highlights the potential role of hypophosphatemia as a contributor to postoperative cardiac dysfunction.
- It suggests considering pre-operative phosphate levels and routine phosphate replacement for managing postoperative hypophosphatemia in cardiac surgery patients.
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...
01:30Acute Respiratory Failure-III
Hypercapnic respiratory failure, also known as Type 2 or ventilatory respiratory failure, is a severe condition characterized by the body's inability to effectively remove carbon dioxide (CO2) from the bloodstream. It leads to an arterial CO2 pressure (PaCO2) exceeding 45 mmHg and a blood pH above 7.35. This situation indicates that the body's ventilatory demand, or the ventilation needed to maintain normal PaCO2 levels, surpasses its supply or the maximum gas flow achievable without causing...
01:26Heart Failure Drugs: Inotropic Agents
Positive inotropic agents are commonly used as the first line of treatment for heart failure. One such agent is digoxin, derived from the genus Digitalis, which has been known for centuries but effectively utilized since 1785. However, these cardiac glycosides can have potentially toxic effects due to their mechanism of action, which involves inhibiting Na+/K+-ATPase and increasing contractility. Digoxin is absorbed orally and distributed in various tissues, including the CNS. It has a long...
01:27Heart Failure I: Introduction
Heart failure refers to a clinical syndrome caused by structural or functional cardiac disorders that prevent the heart from pumping an adequate amount of blood to meet the body's metabolic needs. This condition often arises from myocardial infarction or ischemia, leading to decreased cardiac output, reduced tissue perfusion, impaired gas exchange, fluid volume imbalance, and decreased functional ability.Heart failure can result from disruptions in the mechanisms that regulate cardiac output...
01:21Acute Pancreatitis II: Pathophysiology
The pathophysiology of acute pancreatitis centers on injury to pancreatic acinar cells, which initiates a cascade of harmful intracellular events.This injury leads to premature activation of trypsinogen to trypsin in the pancreas. Trypsin then activates other digestive enzymes, such as chymotrypsin, elastase, and phospholipase A2, which begin breaking down pancreatic tissue. The resulting autodigestion causes local inflammation, tissue swelling, hemorrhage, and fat necrosis.Injured acinar cells...
01:17Pathophysiology of Heart Failure
Heart failure (HF) is a progressive syndrome involving ventricles that leads to inadequate cardiac output. It can be classified based on location and output or ejection fraction. Ejection fraction (EF) is an essential measurement in the diagnosis and surveillance of HF. Reduced EF corresponds to systolic heart failure (HFrEF). However, HF with preserved ejection fraction (HFpEF) is becoming increasingly prevalent. Also known as diastolic HF, this form of HF is related to aging. The...