The life and work of Judson T. Chesterman, pioneering cardiac surgeon
These videos have been matched automatically. Contact us if they are not relevant.
These videos have been matched automatically. Contact us if they are not relevant.
View abstract on PubMed
Summary
This summary is machine-generated.Pioneering surgeon Judson Chesterman performed the world's first mitral valve replacement in 1955. He later developed and utilized an early heart-lung bypass machine in the UK, advancing cardiac surgery.
Area Of Science
- Cardiovascular Surgery
- Medical History
- Biomedical Engineering
Background
- Judson Chesterman was a mid-20th century surgeon in Sheffield, UK.
- He trained in thoracic surgery with Evarts Graham and performed numerous closed cardiac procedures.
- His early career laid the groundwork for innovative cardiac interventions.
Purpose Of The Study
- To document Judson Chesterman's significant contributions to cardiac surgery.
- To highlight his pioneering work in mitral valve replacement and heart-lung bypass technology.
- To provide historical context for early advancements in open-heart surgery outside the USA.
Main Methods
- Performed the world's first mitral valve replacement using a custom prosthesis in 1955.
- Developed and implemented a heart-lung bypass machine for cardiac procedures in 1957.
- This involved adapting existing knowledge and engineering a novel bypass system.
Main Results
- The first mitral valve replacement, while unsuccessful long-term, marked a significant surgical milestone.
- Chesterman's use of a self-built bypass machine in 1957 was one of the earliest in the UK.
- These efforts demonstrated early adoption of critical technologies for complex cardiac interventions.
Conclusions
- Judson Chesterman was a key figure in the early development of modern cardiac surgery.
- His work on valve replacement and bypass machines significantly contributed to the field.
- His legacy extends beyond surgery, including contributions to osteoarchaeology in retirement.
These videos have been matched automatically. Contact us if they are not relevant.
These videos have been matched automatically. Contact us if they are not relevant.
Related Concept Videos
The human heart is made up of three layers of tissue that are surrounded by the pericardium, a membrane that protects and confines the heart. The outermost layer, closest to the pericardium, is the epicardium. The pericardial cavity separates the pericardium from the epicardium. Beneath the epicardium is the myocardium, the middle layer, and the endocardium, the innermost layer. There are four chambers of the heart: the right atrium, the right ventricle, the left atrium, and the left ventricle.
The human circulatory system consists of blood, blood vessels that carry blood away from the heart, around the body, and back to the heart, and the heart itself, which acts as a central pump. The systemic circuit supplies blood to the whole body, the coronary circuit supplies blood to the heart, and the pulmonary circuit supplies blood flow between the heart and lungs.
Blood travels from the right atrium to the right ventricle of the heart through the tricuspid valve, then from the right...
Interprofessional care for coronary artery disease includes pharmacological therapy and revascularization procedures.Pharmacological therapy for Coronary Artery Disease (CAD) aims to manage symptoms, prevent complications, and improve patient outcomes through various classes of medications:Antiplatelet Agents:Aspirin and Clopidogrel: These medications inhibit platelet aggregation, preventing blood clots, which is crucial for avoiding heart attacks and strokes. Doctors often prescribe these...
The development of the human heart, a crucial organ, commences from the mesoderm on the 18th or 19th day after fertilization. This process initiates in the cardiogenic area, a group of mesodermal cells at the embryo's head end, which evolves into elongated strands known as cardiogenic cords. These cords undergo a transformation to form hollow-centered endocardial tubes.
As the embryo undergoes lateral folding, these paired tubes approach each other, merging into a single primitive heart...
The heart beats rhythmically in a sequence called the cardiac cycle—a rapid coordination of contraction (systole) and relaxation (diastole).
The Process
Electrical signals—sent from the sinoatrial (SA) node in the right atrial wall to the atrioventricular (AV) node between the right atrium and right ventricle—cause both atria to simultaneously contract. When the signal reaches the AV node, it pauses for approximately a tenth of a second, allowing the atria to contract and...
The primary role of cardiac muscles is to propel blood throughout the cardiovascular system. The cardiac muscle cells, or cardiomyocytes, exhibit specialized characteristics that allow them to perform this function.
Cardiac muscle cells are smaller than skeletal muscles, averaging 10–20 mm in diameter and 50–100 mm in length. However, they have large energy demands for continuous contraction and relaxation. This energy is almost exclusively derived from aerobic metabolism of energy...