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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

Profile of Excellence: Aldo Castaneda, M.D., Ph.D.

Posted by Susan Eymann, MS on Oct 2, 2017 8:00:00 AM

Dr. Aldo R. Castañeda believes in giving back. After a highly successful career as a pediatric cardiac surgeon and chief at Boston’s prestigious Children’s Hospital, Aldo Castañeda returned to Guatemala where he had attended medical school many years before to develop a pediatric cardiac unit that trains Latin American surgeons. To date, his foundation has helped fund a unit that performs about 500 surgeries a year on poor children.

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Banding of High-Flow Arteriovenous Fistulas Decreases Hospitalizations

Posted by Susan Eymann, MS on Sep 11, 2017 8:00:00 AM

Clinicians at a Fort Worth vascular access center wanted to ascertain the effects of banding their patients with high-flow arteriovenous fistulas. It is known that patients with high flow of more than 2 L/min are more likely to experience cardiac symptoms. Therefore, the nephrologists set a goal of reducing flow in the high-flow fistulas of 12 patients to between 600 and 1200 mL/min and then retrospectively analyzing the results.

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Topics: Hemodialysis

Safeguard Your ECMO Program with the ELSA Monitor

Posted by Susan Eymann, MS on Aug 14, 2017 8:30:00 AM

The ELSA monitor provides an easy-to-use, non-invasive method to measure recirculation in VV ECMO without blood sampling.” SS Said, MD

The state-of-the-art Transonic® ELSA Monitor helps optimize and safeguard extracorporeal membrane oxygenation (ECMO) therapy in infants, children and adults by:

  • Measuring true blood flow in ECMO circuits
  • Quantifying recirculation in the ECMO circuit
  • Detecting oxygenator clotting

With the ELSA, surgeons can place a cannula so that flow delivery is maximized. By maximizing flow delivery and minimizing recirculation, a perfusionist then has more time to change out the oxygenator if and when the ELSA identifies unacceptably high clot development within the oxygenator.

Knowing actual blood flow through the circuit at all times helps avoid catastrophic circuit failures in fragile ECMO patients. Kinks and circuit blockages can be immediately identified and corrected. When flow delivery is maximized, recirculation is minimized, and optimal cannula placement is achieved, the time a patient must be on ECMO is shortened. This translates into better outcomes and bottom line cost savings for an ECMO program.

Safeguard your ECMO program by using the Transonic ELSA Monitor.

1. Said MM et al, Children’s Hospital, Washington, D.C., “Influence of central hemodynamics on VV ECMO oxygen delivery in neonatal animal model,” J Neonatal Perinatal Med 2017.

 Guide: Why You Need Flow Verification During ECMO

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Topics: ELSA Monitor

CMS Implements Payment Model for CABG Surgery

Posted by Susan Eymann, MS on Aug 9, 2017 8:30:00 AM

The Centers for Medicare and Medicaid Services (CMS) is striving to improve the efficiency and quality of care for Medicare beneficiaries undergoing CABG surgery. CME also is seeking to elevate collaboration among hospitals, physicians and post-acute care providers to improve the coordination of care for the Medicare patient from the CABG patient’s initial hospitalization through a 90-day recovery period following hospital discharge.

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Topics: CABG Surgery

Ventricular Assist Devices Extend Heart Failure Patients’ Lives

Posted by Susan Eymann, MS on Aug 7, 2017 8:00:00 AM

An estimated 5.7 million Americans experience heart failure. Of these, nearly 1 million have end-stage heart failure and are no longer responsive to maximal medical therapy.

The ultimate goal for these patients is to receive a heart transplant. But, only 2 to 4 percent will receive a new heart. Many will die waiting for a transplant. In the interim, many of these patients can now depend on a variety of mechanical circulatory support devices to augment, replace or restore the function of the body’s most essential pump, the heart.

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Does Gender Affect Physician Pay?

Posted by Susan Eymann, MS on Jul 31, 2017 7:30:00 AM

Women earned 83 percent of what men earned in 2015, according to Pew Research Center. For younger adults — those between 25 and 34 — this pay gap has narrowed with women earning 90 percent of what men earn.

For physicians, however, the gender pay gap isn’t shrinking. In fact, it’s quite large. A new survey has found female doctors earn approximately 20 percent less than their male counterparts.

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Topics: physician compensation

Trial Finds Transonic Surveillance Reduces Rate of Thromboses & Costs

Posted by Susan Eymann, MS on Jul 26, 2017 7:30:00 AM

“I love this machine!” exclaimed Dr. Inés Aragoncillo when a slide displaying the Transonic Hemodialysis Monitor, was shown at the recent American Association of Nephrology (ASN) convention in Chicago. Dr. Aragoncillo was presenting the findings of her three-year RCT in which she and her colleagues studied the addition of ultrasound Doppler and ultrasound dilution (Transonic) surveillance to classic vascular access monitoring in their hemodialysis patients.

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Topics: Hemodialysis

Transonic Flowmeters Used in Development of Extra-Uterine Womb

Posted by Susan Eymann, MS on May 2, 2017 7:30:00 AM

Over a third of infant deaths and half of cerebral palsy diagnoses in the United States are attributed to premature birth. Despite advances in neonatal intensive care that have increased the limits of viability, survivors of premature birth before 28 weeks often deal with chronic lung disease and other complications from immature organs.

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First Successful Heart Surgeries Performed Over Century Ago

Posted by Susan Eymann, MS on Apr 3, 2017 7:00:00 AM

Over 100 years ago, two surgeries performed in Norway and Germany, respectively, marked the beginning of cardiac surgery. Until that time, the heart was considered sacrosanct and was not to be violated by surgeons’ hands.

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Topics: Cardiothoracic, cardiothoracic surgery

French President’s Assassination Leads to Development of Suturing Techniques Used to Reconnect Blood Vessels

Posted by Susan Eymann, MS on Mar 22, 2017 7:00:00 AM

When a major blood vessel is severed, death will occur if the bleeding isn't stopped and circulation restored. This was the case in 1894, when the fifth president of the Third Republic of France, Sadi Carnot, was attacked with a knife in the abdomen that left his portal vein severed. The surgeons who treated the president felt that the vein was too large to be successfully reconnected. Consequently, the vein bled out and the president died as a result of his wounds. This left a deep impression on a young French medical student at the University of Lyon, Alexis Carrel (1873-1944).

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Topics: Clinical Trends