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**Special Notice Regarding Lactate Pro Analyzers**

As you may have already heard, the Lactate Pro handheld analyzer has been discontinued. Per the manufacturer, Arkray Inc, certain internal components are no longer available due to changes in manufacturing technology and a retrofit of those components would void the existing FDA certification as a clinical laboratory product. For those veterinarians, physicians, EMT’s, and other professionals fortunate enough to have acquired their analyzer prior to its demise, we have been assured by the manufacturer that they will continue to produce test strips for the Lactate Pro for at least another 4-5 years.

Approximately 3 years ago, Arkray began developing a replacement analyzer which was released in Japan in April 2012 as the Lactate Pro 2. When they began the design of this analyzer they did not have the medical market in mind opting instead to focus on the sports training segment. Unfortunately, this new analyzer proved unsuitable for medical use due to certain performance shortcomings, i.e., accurate readings can only be obtained as long as the hematocrit and SpO2 of the patient are both within normal range. Any analyzer designated for medical use must be self-correcting as is the case with the current Lactate Pro. As a result, the Lactate Pro 2 will not be released for sale in USA or Canada since FDA certification will still be required even for devices designated for sports use only. There is a possibility, and we can only hope, that Arkray will develop another analyzer over the next 2-3 years that will meet medical requirements. In the meantime, please feel free to contact us regarding alternative medically approved methods for measuring Lactate.  

The Lactate Pro is still the only handheld lactate analyzer that is FDA CLIA-waived for clinical medical use.  As a result we continue to receive requests for used analyzers in good working condition and would be interested in acquiring any that have been taken out of service. Please contact us directly at 800.330.1522 or by email if you have units you would like to sell. If you would like to be added to our waiting list for used units, please send your contact information to info@vetlab.com with "used lactate pro" in the subject line. 

Journal Articles

Small Animal

Hughes: Lactate: What Does it Really Tell Us? (IVECCS 2010)

 Acierno, M.J. and M.A. Mitchell. Evaluation of Four Point of Care Meters for Rapid Determination of Blood Lactate in Dogs.

Stevenson et al: Serial Blood Lactate Concentrations in Systemically Ill Dogs. (Abstract)


Henderson, Franklin et. al. Hyperlactatemia in Foals (AAEP 2007)

Sloet et. al.: Evaluation of the Usefulness of the Portable Device Lactate Pro for Measurement of Lactate Concentrations in Equine Whole Blood (Abstract)


Kobayashi: Simple Lactate Measurement in Horses Using a Portable Lactate Analyzer.


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