Accurate Results For Accurate Adjustments
Why Test RMR?
Why Test RMR?
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WHY TEST RMR?
Many doctors consider metabolic testing a key component to evaluating and treating overweight and obese patients throughout the weight-loss process. The vital information derived from a test allows a doctor to monitor and diagnose weight-loss plateaus while providing an “informational and motivational” guide to teach patients about their body and their ability to lose weight.
Metabolic rate is a measure of how much food, or fat, is converted to energy in a day. Resting metabolic rate (RMR) is the measurement of how much food, or energy, is required to maintain basic body functions such as heartbeat, breathing, and maintenance of body heat while you are in a state of rest. That energy is expressed in calories per day. So an RMR test shows how many calories you burn at rest, doing nothing more than sitting in a chair.
Proof of “normal” metabolism
Most overweight people are convinced they have a slow metabolism. The truth is that statistically, most overweight and obese individuals have average or higher than average metabolic rates. Taking a measurement removes this excuse. Seeing that their bodies can indeed burn calories can be very encouraging and motivating.
Stabilize weight loss
Regardless of the method used to lose weight, a patient’s RMR will decrease after weight loss. The decrease is actually below the level predicted by fat-free mass (FFM). Although the cause is unclear, it appears that in most cases, if a patient can maintain his new weight for 6 months, his RMR will eventually rise to the expected level. Pinpointing the precise number of calories necessary to maintain is key to surviving this crucial period.
Pinpoint caloric weight loss zone
When restricting calories, knowing a baseline RMR is invaluable. KORR Metabolic Analyzers calculate a “weight loss zone” for 1 ½ pound a week weight loss, or practitioners can use the RMR to calculate a caloric goal unique for their patients.
Detection and Diagnosis of hypo-metabolism
In cases where a patient has a clinically low metabolic rate, further diagnosis and treatment by a physician will be required before successful weight loss can be achieved.
Assess the effect of weight loss treatment on metabolism
Once calories are restricted, medications are introduced, or an exercise plan has been implemented, the human body will respond. This is especially true of significant interventions, such as bariatric surgery. The caloric goals of a dietary plan will rarely sustain a patient throughout an entire weight loss regimen. The result is the dreaded “plateau.” Periodic assessment of RMR will show the effects of the treatments and allow adjustments to the caloric goals.
Proper nutritional care is VITAL for the hospitalized patient. Studies show that hospital stays are reduced an average of 60% when nutritional status is evaluated and needs are met.
The formulas that predict caloric needs for nutritional assessment (Harris Benedict, Miffin, etc) are inadequate for certain populations, especially sick or hospitalized patients. RMR is recommended for the following populations:
The ReeVue has a simple user interface that assists the operator from start to finish. No training or certification is required. It does not require a computer or software, and even the printer is optional. Everything you need is at your fingertips!
Adjustments for barometric pressure, temperature, and humidity are key to an accurate VO2 measurement. The ReeVue measures these parameters during each routine calibration cycle, then automatically compensates to standard (STPD) conditions.
The ReeVue performs an oxygen uptake test, which is CPT code #94690.
Other Indirect Calorimeters require the patient to draw both their inhalation and exhalation through the measurement device located at the patient’s mouth. The air they breathe in will pass through the same mechanism as countless patients before them. KORR uses a one-way valve in the disposable MetaBreather mouthpiece. This draws in fresh room air with each inspiratory breath and eliminates concerns about cross contamination. The disposable is thrown away and there is no need to clean equipment between each patient.
Direct Oxygen Measurement
ReeVue by KORR directly measures the concentration of oxygen breathed out by each patient. The patient merely breathes through a simple mouthpiece as all the exhaled air is collected and analyzed. Because there is a direct correlation between oxygen consumed and calories burned (4.813 calories for every milliliter of oxygen consumed), an accurate measurement of oxygen consumption is an effective measurement of calorie consumption.
Mixing chamber Technology
A mixing chamber is considered the “Gold Standard” for Indirect Calorimetry (more commonly referred to as a Metabolic Measurement.) In the past, this system has been complicated and expensive, making it only practical for ICU’s and research departments. KORR advancements in technology make this method feasible for the typical practitioner.
Indirect calorimetry is CPT coded and is covered by Medicare and most insurance providers. If you have any questions about insurance coverage, contact insurance providers directly.
For more information about reimbursement, click here.
Dr Sarah Henes, PhD and her colleagues at the Georgia State University Department of Nutrition have published a study indicating the KORR ReeVue is reliable and valid for assessing Resting Metabolic Rate (RMR) when compared with the CosMed Quark, a traditional metabolic cart 3-5 times more expensive. The study specifically tests ReeVue’s reliability and validity for assessing RMR in an overweight and obese adolescent population.
Highlights from the discussion include:
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