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Sensing Savvy

Susan Eymann, MS

Susan Eymann is a medical writer with over 20 years of experience covering topics related to intraoperative blood flow measurement. She is also the author of the handbook, Flow-based Intraoperative Coronary Artery Bypass Patency Assurance, which has been widely recognized as one of the most valuable publications on graft patency currently in circulation. Susan holds a Master's of Science degree in Biology from Penn State University.

Recent Posts

Randomized Controlled Trial Confirms Value of Surveillance

Posted by Susan Eymann, MS on May 22, 2019

The value of vascular access surveillance has been widely debated over the past decade. Many studies attest to its usefulness for identifying stenoses. A few question its value. 

A 2015 randomized controlled trial (RCT) by Aragoncillo published in Journal of Vascular Surgery underscores the value of regular surveillance of hemodialysis patients.

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Topics: KDOQI

Advocate for Surveillance in the new 2019 KDOQI Guidelines

Posted by Susan Eymann, MS on May 20, 2019

The proposed 2019 Kidney Disease Outcomes Quality Initiative (KDOQI) Guidelines are now open for review with comments accepted through June 7, 2019. Transonic hopes hemodialysis stakeholders who have pre-registered to review the proposed Guidelines will submit their comments by the June 7th deadline.

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Topics: KDOQI

Hemodialysis Arteriovenous Fistula or Graft? Here's What to Know

Posted by Susan Eymann, MS on May 13, 2019

A vascular access is required in order to have hemodialysis. The three most common types of vascular access are: an arteriovenous fistula (AVF) created by joining a vein and an artery, usually in the arm; an arteriovenous graft (AVG) formed by connecting an artery to a vein with a tube, or a central venous catheter (CVC). Optimally, a fistula or graft will be surgically created several months before dialysis starts, in order to ensure it is ready when it is needed. 

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Topics: CABG Surgery, Hemodialysis

Dr. Nikolai Krivitski Responds to the Debate About Vascular Access Surveillance

Posted by Susan Eymann, MS on May 10, 2019

Dr. Nikolai Krivitski, hemodialysis pioneer, responds to the debate about vascular access surveillance that recently appeared in NDT in the article “Vascular Access Surveillance in Mature Fistulas: Is It Worthwhile?” Read his feedback to learn more about the history behind the publications and how some basic errors in scientific conclusions may impact your patient care.

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What You Should Know if You Have a Hemodialysis Catheter

Posted by Susan Eymann, MS on Apr 29, 2019

A Central Venous Catheter (CVC) is a soft flexible tube that is placed into a large vein, usually in the chest. It has two openings or ports. During hemodialysis, the ports are connected to the hemodialysis machine; one to take blood from your body to be cleaned, and the other to return blood cleaned of its impurities back to the body. A CVC is often used while a patient is awaiting surgery to have an arteriovenous fistula or graft placed to be used as a permanent vascular access. Although not optimal, a CVC can also be used as a permanent vascular access.

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Topics: Hemodialysis

Access Thrombosis Causes Major Problems for the Patient, Care Staff and Nephrologist

Posted by Susan Eymann, MS on Mar 29, 2019

When an access suddenly clots or thromboses, all stakeholders are confronted with a crisis that must be immediately resolved.

Needless to say, the end-stage renal disease (ESRD) patient has the most at stake and can suffer the most. He or she must cope with:

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Topics: KDOQI

Why Surveillance is Important – Tests Accuracy of Pump Flow

Posted by Susan Eymann, MS on Mar 27, 2019

When one sets the pump on a hemodialysis machine, one naturally assumes that the pump will deliver what it is set at. However, myriad factors can alter the pump flow so the flow being actually delivered to the patient is not the flow the pump is set at. These factors include the following:

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Topics: KDOQI

Why Surveillance is Important: 8 Ways Vascular Access Surveillance Informs the Nephrologist

Posted by Susan Eymann, MS on Mar 25, 2019

“A hemodynamically significant stenosis is the substrate for thrombosis by reducing flow, increasing turbulence, and increasing platelet activation and residence time against the vessel wall.” KDOQI Guidelines 2006

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Topics: KDOQI

End-Stage-Renal Disease’s Devastating Stats

Posted by Susan Eymann, MS on Mar 22, 2019

End-stage-renal-disease (ESRD) is devastating. In 2014, 118,000 people in the United States started treatment for ESRD, and 662,000 were living on chronic dialysis or with a kidney transplant.

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Topics: KDOQI

Why Surveillance is Important – Detects Significant Stenoses: Inflow, Outflow and Between the Needles

Posted by Susan Eymann, MS on Mar 21, 2019

“A hemodynamically significant stenosis is the substrate for thrombosis by reducing flow, increasing turbulence, and increasing platelet activation and residence time against the vessel wall.”

KDOQI Guidelines 20061

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Topics: KDOQI

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