Munich – September 09, 2026 -- Sky Labs presented new clinical data at ESC Congress 2026 showing its ring-shaped blood pressure monitor, CART, achieves an approximately 80% data-usability rate in continuous 24-hour monitoring of patients with atrial fibrillation, addressing a measurement gap left by traditional cuff-based devices in patients with irregular pulse or severe blood pressure fluctuations.
Chonnam University trial confirms 24-hour monitoring feasibility in atrial fibrillation patients
Professor Ki-Hong Lee of Chonnam National University Hospital reported that CART enabled precise observation of nocturnal blood pressure dipping patterns in atrial fibrillation patients, with a data-usability rate near 80% across continuous 24-hour recordings.
Keimyung University study finds CART matches ambulatory monitors in severe heart failure cases
Professor In-Cheol Kim of Keimyung University Dongsan Hospital tested CART against conventional 24-hour ambulatory blood pressure monitoring (ABPM) in patients with severe heart failure and a mean ejection fraction of 29%. The comparison showed strong concordance between the two methods, meeting European Society of Hypertension (ESH) error-margin criteria for cuffless devices.
Seoul National University validates CART against ESH's four core accuracy tests
Professor Hae-Young Lee of Seoul National University Hospital confirmed CART's measurement accuracy under the ESH's Static Test, Device Position Test, Awake/Asleep Test and Exercise Test protocols for cuffless blood pressure devices.
Dongguk University case study shows CART enabled safe reduction of medication
Professor Eun-Mi Lee of Dongguk University Ilsan Hospital described a patient experiencing pain and stress from a traditional cuff, where CART's readings allowed clinicians to safely adjust and reduce the medication regimen.
Seoul St. Mary's Hospital links sleep apnea breathing events to blood pressure spikes
Professor Jong-Chan Youn of Seoul St. Mary's Hospital analyzed more than 12,000 respiratory events across 62 sleep apnea patients using CART, identifying sharp blood pressure increases immediately following the resumption of breathing.
Professors Seok-Min Kang of Severance Hospital and George Stergiou of the National and Kapodistrian University of Athens noted that Sky Labs is among a small number of companies worldwide to meet the ESH's strict validation criteria for cuffless blood pressure devices.
CART surpasses 300,000 cumulative prescriptions and enters Korean national hypertension guidelines
The device, which uses PPG sensors and deep-learning algorithms to deliver cuffless 24-hour blood pressure readings from a finger-worn ring, is currently prescribed at more than 2,000 medical institutions in Korea and has surpassed 300,000 cumulative prescriptions. CART has also been formally incorporated into the 2026 Korean Society of Hypertension guidelines (6th edition), marking what Sky Labs describes as the first global inclusion of a cuffless, ring-type blood pressure monitor in national clinical guidelines.
Sky Labs CEO Jack ByungHwan Lee said the ESC Congress presentations demonstrated CART's potential in managing complex cardiovascular conditions such as atrial fibrillation and heart failure, and that the company plans to accelerate expansion into European and global markets on the strength of its prescription volume and guideline inclusion.