Medtronic touts study of accuracy, cost effectiveness of capnography monitors

Medtronic (NYSE:MDT) today presented data from 2 clinical studies of its  capnography patient monitoring systems, touting their accuracy and cost-effectiveness.

Data from the studies was presented at the Anesthesiology 2015 annual meeting in San Diego this week.

“The findings presented today demonstrate the clinical benefits and potential cost savings capnography can provide across a broad spectrum of patients. These studies underscore Medtronic’s commitment to reducing the growing burden of respiratory compromise across clinical settings to improve the health and care of patients,” Medtronic minimally invasive therapies group medical chief Dr. Michael Tarnoff said in a press release.

The Fridley, Minn.-based medical giant said a 163-patient prospective observational study of its IPI system in post anesthesia care units found it can help predict respiratory adverse events more effectively than pulse oximetry alone.

The study looked at patients with high-risk for hypoventilation following general surgery, defined as having a body-mass index of more than 28 or over 75 years old.

Patients were monitored with Medtronic’s Capnostream 20 patient monitor, which measured pulse oximetery, pulse rate, respiratory rate and end-tidal carbon dioxide for the IPI, the company reported.

Data from the study indicated a lower IPI in the 7% of patients who experienced a respiratory adverse event compared to non RAE-patients, and that sensitivity and specificity of IPI was better than that of Sp02 for indicating the onset of an RAE.

“It is critical that patients who are administered any type of sedation, from general anesthesia to procedural sedation, be carefully monitored for signs of respiratory compromise. Capnography monitoring can detect subtle changes in respiratory status and provide the earliest indication of airway compromise. The findings from this study provide further evidence of the necessity to use capnography, along with the Integrated Pulmonary Index, for postoperative patients, especially those with high risk of hypoventilation,” Dr. Hiroshi Morimatsu,of Japan’s Okayama University Hospital said in prepared remarks.

In a separate cost-efficacy modeling study of capnography during sedation for endoscopy, researchers found that Medtronic’s Microstream capnography was “likely to be cost effective and may have important applications to patient safety during endoscopy.”

Assuming 8,000 patients in 1 year and a cost of $4,000 per capnography monitor, researchers suggested that the monitors would prevent 9 procedure terminations, 2 unplanned hospital admissions and an anesthesiologist intervention, resulting in savings of $123 per procedure after 1 year.

“Capnography monitoring is considered the standard of care during deep sedation administered by anesthesiologists. Our study results concluded that capnography can be cost effective when used during endoscopic sedation practices where a mixture of deep and moderate sedation is employed,” Dr. John Vargo of Ohio’s Cleveland Clinic said in a prepared statement.

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