This post explores the infusion pump market and looks at its usefulness in treating a range of conditions, the advantages of this form of drug administration and the different types available. This is a large and growing market and one that may lead to more precise and dynamic patient care. The infusion pumps market is expected to reach $10.84 billion USD by 2021. This makes it a large, growing and important market to watch for investors and one that will likely have a big impact on the healthcare and medical industries as a whole.

What is an Infusion Pump?

An infusion pump is a type of medical device that delivers fluids to a patient. These fluids can be used to rehydrate a patient that has lost a lot of fluid as a result of injury or illness (excessive vomiting can lead to dehydration, which is highly dangerous). Likewise, these fluids can also be used to deliver important nutrients and medications.

Of course, medications are often administered orally or via intravenous injection. However, an infusion pump has a number of different advantages as compared with these methods and will be the preferred option under a range of specific circumstances.

For instance, if a patient is unable to keep food or medication down due to a stomach infection, an allergy or an unwanted reaction, then they may require the drug to be administered in a different way. Moreover, an infusion pump allows for medication to be administered in precise quantities and ratios. This way, a very precisely measured treatment program can be carried out that simply wouldn’t be possible through other means.

How They Work

An infusion pump will usually be operated by a trained user. This user will be responsible for programming the rate and the duration of the delivery of fluids through software user interfaces. Infusion pumps will offer a number of advantages over manual administration in this manner – such as the option to administer multiple different types of nutrient and medication simultaneously and the option to administer tiny amounts of medication.

This precision matches the complexity of the human system in dealing with medication, drugs and exogenous substances of any kind. This process is achieved by the metabolism, which is responsible for breaking down and expelling outside elements. The study of this process is called pharmacokinetics.

Drug Metabolism

The term drug metabolism describes the process by which a drug is broken down in the body by the metabolism and then used around the body for various functions and eventually excreted. This is a term used in bioanalysis – which is the process of detecting substances in solutions and samples as well as measuring their quantities. Bioanalysis is used in order to observe drug metabolism by testing for the presence of the drug and using biomarkers to observe its progress. In vitro in vivo drug metabolism means 'in glass in body drug metabolism' which means the process is tested in the test tube and in the blood of a subject. 

Drug metabolism is linked closely to pharmacokinetics and often they are both described as DM/PK (drug metabolism/pharmacokinetics). Pharmacokinetics is the process of measuring the effect that the body has on a drug, rather than vice versa, following its progress through the body as it is broken down, absorbed, distributed and eventually expelled one way or other (in most cases).  Drug metabolism will generally take place in the liver. This is the organ most responsible for the breaking down and utilization of various substances and plays an important role in digestion, detoxification and the elimination of substances in the body – including toxins.

Enzymes in the liver serve as catalysts for chemical reactions which change the drugs into other substances which are called 'metabolites'. These are then bound to other materials and excreted through the lungs, the pores or elsewhere as sweat, urine, saliva etc; or are reabsorbed via the intestines.  The family of liver isoenzymes known as cytochrome P-450 are critical for drug metabolism also. These CYP-450 enzymes (CYP1A2, CYP2C9 etc) have catabolic reactions to substances thereby breaking them down into metabolites. As a result of this they also act to lower concentrations of medications in the bloodstream. As such CYP-450 inhibition CYP-450 induction processes are both in bionalysis as ways to control the amount of the substance in the blood stream.  Drug interactions can occur when one drug inhibits or induces a CYP-450 enzyme. Individuals with liver disease may have low levels of CYP-450 enzymes and thus the CYP-450 inhibition CYP-450 induction processes are an important area of study for these conditions. At the same time certain foods can also play a role in the CYP-450 inhibition CYP-450 induction actions. For instance grapefruit juice has been shown to have an effect. Drug dosages must account for individual levels of isoenzymes and of diet and lifestyle. 

Metabolic rates vary greatly from person to person, and while one drug might be rapid acting in one individual, it may not work well, or may not work at all for others. Age, nutrition, environment and more all affect a person's metabolism. Infants and the elderly for example have a reduced ability to metabolize various drugs and so require different dosages. It is important that patients be entirely open and honest with their physicians regarding their diet, lifestyle and any other courses of medication.  

OpenPR-Tip: Another advantage of an infusion pump, is its ability to respond in real time to changes in the blood and the presence of medications/their elimination. In other words, infusion pumps can be used to ensure that the correct amount of a substance is present in the body at all times and to administer just the smallest amounts of medication as necessary. This combines condition monitoring in order to present a comprehensive solution.

Types

There are many types of infusion pumps. These include large volume pumps, patient controlled analgesia (which provides patients with the option to administer their own medication), elastomeric, syringe, insulin pumps and enteral. Some may even be portable or wearable, as may be the case for some insulin pumps.



         



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