Related Experiment Video
Updated: Jan 27, 2026
07:11
Biofilm Removal Using Carbon Dioxide Aerosols without Nitrogen Purge
Published on: November 6, 2016
6.8K
Changes in the coelomic microclimate during carbon dioxide laparoscopy: morphological and functional implications.
1Department of Upper Gastrointestinal Surgery, Liverpool Hospital, Elizabeth St, Liverpool, Sydney, NSW, 2170, Australia.
Pleura and Peritoneum
|March 27, 2019
Summary
Laparoscopic surgery using cold, dry carbon dioxide (CO2) causes adverse effects. Using warmed, humidified CO2 can prevent these issues, preserving the coelomic microenvironment and offering clinical benefits.
Area of Science:
- Surgical Technology
- Physiology
- Oncology
Background:
- Laparoscopic surgery commonly uses carbon dioxide (CO2) insufflation for pneumoperitoneum.
- Pressurized, cold, dry CO2 can negatively impact the peritoneal environment and systemic physiology.
- These adverse effects may influence surgical outcomes, including tumor cell implantation.
Purpose of the Study:
- To review the adverse effects of laparoscopic CO2 pneumoperitoneum.
- To explore the prevention of these effects using warmed, humidified CO2.
- To discuss the clinical implications for laparoscopic surgery.
Main Methods:
- Review of existing literature on CO2 pneumoperitoneum and its effects.
- Analysis of local and systemic consequences of CO2 insufflation.
- Evaluation of strategies for mitigating adverse effects.
Main Results:
- Cold, dry CO2 causes local peritoneal damage (e.g., desiccation, inflammation, acidosis) and systemic changes (e.g., hypothermia, acidosis).
- Damage is exacerbated by high insufflation pressures, gas velocities, and prolonged procedures.
- Warmed, humidified CO2 can maintain a physiological coelomic microenvironment, preventing adverse effects.
Conclusions:
- Adverse effects of CO2 pneumoperitoneum can be mitigated by using warmed, humidified CO2.
- This approach preserves the coelomic microenvironment, potentially reducing postoperative pain, adhesions, and cancer cell implantation.
- Optimizing the insufflation gas is crucial for improving clinical outcomes in laparoscopic surgery.
Related Concept Videos
01:28Carbon-dioxide Fixation
689
Carbon dioxide fixation in prokaryotes enables the assimilation of inorganic carbon into organic molecules, supporting biosynthetic pathways, sustaining ecosystems, and contributing to the global carbon cycle. It also has industrial applications in carbon capture and bioproduct synthesis. Autotrophic organisms rely on this process to utilize CO₂ as a carbon source in diverse environments.The Calvin CycleThe Calvin cycle is the most widespread carbon fixation mechanism, primarily used by...
689
01:19Carbon Dioxide Transport in the Blood
4.9K
Carbon dioxide (CO2) transport in the blood is critical to human physiology. On average, our body cells produce around 200 mL of CO2 per minute, precisely the quantity expelled by the lungs. This process involves the transportation of CO2 from the tissue cells to the lungs in three primary forms.
Forms of CO2 Transport
1. Dissolved in plasma: A small percentage (7-10%) of CO2 is transported and dissolved directly in the plasma.
2. Carbaminohemoglobin: Just over 20% of CO2 is chemically bound to...
Forms of CO2 Transport
1. Dissolved in plasma: A small percentage (7-10%) of CO2 is transported and dissolved directly in the plasma.
2. Carbaminohemoglobin: Just over 20% of CO2 is chemically bound to...
4.9K
01:14The Carbon Cycle
43.4K
Carbon is the basis of all organic matter on Earth, and is recycled through the ecosystem in two primary processes: one in which carbon is exchanged among living organisms, and one in which carbon is cycled over long periods of time through fossilized organic remains, weathering of rocks, and volcanic activity. Human activities, including increased agricultural practices and the burning of fossil fuels, has greatly affected the balance of the natural carbon cycle.
43.4K
01:12Carbon Skeletons
114.7K
Life on Earth is carbon-based, as all macromolecules that make up living organisms contain carbon atoms. All organic compounds have a carbon backbone. Each carbon atom is tetravalent and can bond with four other atoms, making it an extraordinarily flexible component of biological molecules. Because carbon’s valence electrons are stable, it rarely becomes an ion. As the carbon chain increases in length, structural modifications such as ring structures, double bonds, and branching side...
114.7K
01:24Carbonation Shrinkage
458
Atmospheric CO2 penetrates the concrete's pores and, in the presence of moisture, forms carbonic acid, which then reacts with calcium hydroxide in the hydrated cement, forming calcium carbonate. This process reduces the concrete's volume and is termed carbonation shrinkage.
The concrete's permeability is slightly reduced as calcium carbonate produced during the reaction fills its pores. Furthermore, its strength is slightly enhanced as the water released during the reaction...
The concrete's permeability is slightly reduced as calcium carbonate produced during the reaction fills its pores. Furthermore, its strength is slightly enhanced as the water released during the reaction...
458
01:29Microbial Morphologies
2.1K
Bacterial and archaeal cells exhibit remarkable diversity in shape and structure, critical in their adaptability and functionality. Among bacteria, the most commonly observed shapes include cocci and bacilli. Cocci are spherical and may exist singly or in groupings such as pairs (diplococci), chains (streptococci), clusters (staphylococci), or tetrads. Bacilli, in contrast, are rod-shaped and can also occur as single cells, in pairs, or chains, depending on their environmental and genetic...
2.1K