Telehealth-enhanced Hybrid Cardiac Rehabilitation Among Acute Coronary Syndrome Survivors

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Columbia University




Acute Coronary Syndrome
Myocardial Infarction


Behavioral: Traditional CR
Behavioral: Telehealth-enhanced Hybrid CR

Study type


Funder types



KL2TR001874 (U.S. NIH Grant/Contract)

Details and patient eligibility


This study investigates the feasibility of conducting a randomized controlled trial of telehealth-enhanced hybrid cardiac rehabilitation (THCR) compared with traditional cardiac rehabilitation (CR) among acute coronary syndrome (ACS) survivors. THCR is a novel, hybrid model that targets the same core components as traditional CR (e.g., exercise training, patient education, and risk factor management), but uses a mixture of telehealth, clinic-, and home-based activities to offer 24 CR sessions (5 clinic-based + 19 home-based) over 12 weeks.

Full description

Cardiac Rehabilitation (CR) is a Class I, Level A secondary prevention program that significantly reduces reinfarction and mortality rates in acute coronary syndrome (ACS) survivors. Yet, fewer than 30% of eligible cardiac patients participate in and adhere to CR programs in the United States. One promising avenue for increasing CR participation and adherence is a telehealth-enhanced hybrid CR (THCR) model that combines telehealth, clinic- and home-based CR. Several expert groups have strongly endorsed hybrid CR models that integrate telehealth (i.e., mobile apps, remote monitoring devices) because of their ability to offer the "best of both worlds" (i.e., in-clinic supervision/safety and at-home convenience) while also promoting real-time patient-provider communication and reimbursement as a telemedicine service. Despite its potential, the feasibility of and degree to which THCR improves adherence (e.g., # of completed sessions) and clinical outcomes (e.g., functional capacity) relative to traditional CR requires additional investigation. To understand the feasibility of THCR, the investigator will conduct a single center, two-arm, 1:1 parallel group randomized pilot study comparing THCR with traditional CR among ACS patients (N=40) to evaluate the feasibility (e.g., recruitment, adherence) of conducting an adequately powered randomized controlled trial.


40 estimated patients




18+ years old


No Healthy Volunteers

Inclusion criteria

  1. over the age of 18;
  2. can speak and read English or Spanish;
  3. confirmed ACS based on ICD-10 codes; and
  4. had their index event within the past 12 months.

Exclusion criteria

  1. severe disabling chronic medical and/or psychiatric comorbidities determined on a case-by-case basis that prevent safe or adequate participation;
  2. high-risk for adverse exercise-related cardiovascular events according to the AACVPR risk stratification criteria;
  3. participated in >1 CR program session;
  4. deemed unable to comply with the protocol (either self-selected or indicated during screening that s/he could not complete all requested tasks). This includes, but is not limited to, patients with a level of cognitive impairment indicative of dementia, patients with current alcohol or substance abuse, patients with a significant movement or balance disorder that interferes with walking, patients with impaired circulation or poor perfusion that may impede pulse oximeter readings, and patients with severe mental illness (e.g., schizophrenia);
  5. home-based environment deemed incompatible with the protocol and/or that prevent safe or adequate participation (either self-selected or indicated during screening/onboarding process); and
  6. unavailable for follow-up for reasons such as terminal illness and imminent plans to leave the United States (as we have migrant or mobile patients due to their citizenship and work issues).

Trial design

Primary purpose

Health Services Research



Interventional model

Parallel Assignment


None (Open label)

40 participants in 2 patient groups

Telehealth-enhanced Hybrid CR
Experimental group
Participants will receive a hybrid version of cardiac rehabilitation.
Behavioral: Telehealth-enhanced Hybrid CR
Traditional CR
Active Comparator group
Participants will receive a standard of care version of cardiac rehabilitation.
Behavioral: Traditional CR

Trial contacts and locations



Central trial contact

Alexandra Miecznikowski, MPH; Andrea T Duran, PhD

Data sourced from

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