For folks over 50, a colonoscopy and accompanying prep must be near the bottom of the list of routine medical appointments.

This procedure, while routine and critical for early detection of potentially deadly cancers, still conjures up enough apprehension that many people fail to empty their bowels properly for the exam.

Medumo specializes in remotely coaching patients’ prep for medical procedures — sometimes as unwanted as colonoscopies.

Often, patients will schedule the procedure, then fail to arrive with clean colons that doctors can examine. Neglecting prep can waste thousands of dollars in rescheduling costs if doctors fail to get the data they need. Worse, many will simply not show up on procedure day, wasting everyone’s time and money — and risking the patient’s health.

Enter Medumo. The Boston-based startup specializes in remotely coaching patients’ prep for medical procedures — sometimes as unwanted as colonoscopies.

Via the patient’s choice of emails or texts, Medumo reminds patients of the steps they need to take before their exams. The messages include videos, written instructions, and checklists that keep patients on schedule.

The results, Medumo executives say, are better patient outcomes and increased efficiencies for the facilities and patients, alike. Their services provide digitally distributed preparatory instructions to patients’ phones, covering everything from the initial low-fiber diet to the clear liquids and laxatives patients must consume to prep their bowels on the eve of the big day.

Last year, Medumo made a splash by partnering with Harvard-affiliated hospitals Brigham Health and Massachusetts General, which each reported marked success (30% drops in patient no-shows) in patients who used the service.

Since then, the company has secured six more sites for its customized colonoscopy instructions, called CareTours, said Marcus Madaus, Medumo business development representative.

“We’re constantly expanding across new departments and developing new use cases,” Madaus said.

In addition to a foothold in the endoscopy/GI field, he said Medumo plans to introduce tools for remote patient navigation in pediatrics, ENT, urology, population health, oncology, geriatrics, perioperative procedures, nephrology, and radiology.

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