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Welcome to the Sleeping Respiratory Rate Study

Welcome to the Sleeping Respiratory Rate (SRR) Study. This study aims to examine the variability of sleeping respiratory rates in dogs and cats with subclinical heart disease. This trial is being conducted by Dr. Mark Rishniw, Ingrid Ljungvall, Dan Ohad, Francesco Porciello and Jens Haggstrom and has been largely funded by the VIN Foundation. For future reference, we encourage you to bookmark this page.

Getting Started as a SRR Investigator:

  • Please read the SRR study protocol to determine if your patient is eligible. You can download it here, or click to read it online.
  • If you believe your patient is eligible to participate in the SRR study, you can upload the study data online. Alternatively, you can scan and email a paper copy of the study form for uploading. You will need to log into the data upload system using your VIN username and password.
  • If you do not recall your username/password, click here to check username/password via email.
  • If a prior username and password are identified, you will be sent a reminder by email. You can then use your username and password to upload your patient data.
  • To contact the SRR study coordinators, click here, or call 916-275-1650.
  • To download data collection forms or protocol details use the links on the top right.

The small print:

The SRR study online system is hosted by VIN through support provided by the VIN Foundation. Similar to a growing list of veterinary online proceedings and journals, the SRR study online system is hosted under VIN security. We wish to emphasize that there is NO REQUIREMENT OR ENCOURAGEMENT TO JOIN VIN. The VIN Foundation is a nonprofit 501(c)(3) corporation.

Username and password.

If you do not have a username and password, you will need to complete a quick application which will allow you access to SRR. There is no requirement or encouragement to join VIN. The use of VIN security is to reduce the need for multiple username/password combinations for the majority of online veterinarians who already have access to VIN or VIN hosted online conference proceedings. You will only be allowed access to SRR. VIN will not distribute, or use the information you provide to access SRR in any way that is not associated with this study. If you wish to apply for a free VIN trial, you can do so from If you experience technical difficulties, please contact VIN at 800.700.4636 or email



   Study Coordinators
Phone:   916-275-1650
Fax:       530.756.6035

Funded by:

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