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Behavior Change. in heart failure patients. Adetania Pramanik Durga Kudtarkar Shubhshankar M. Sankachelvi. SRD Significance. s odium restricted diet. 25% of heart failure (HF) related patients were readmitted

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Behavior Change

in heart failure patients


Durga Kudtarkar

Shubhshankar M. Sankachelvi

SRD Significance

sodium restricted diet

  • 25% of heart failure (HF) related patients were readmitted

  • Limiting sodium intake is one of the ways of readmission prevention for HF patients.

  • However, it is difficult for patients to understand how to manage and change their daily sodium intake


Heart Failure

  • Most common cause HF: coronary artery disease (narrowing the blood vessels that supply the heart)

  • Conditions that contribute to HF: obesity, diabetes, smoking, hypercholesterolemia, hypertension,…

  • Is a progressive, chronic disease


  • Functional classification(NYHA):

  • Four stages of HF(ACC / AHA):

  • Class I: no limitation is experienced in any activities; there are no symptoms from ordinary activities.

  • Stage A: high risk for HF but no functional or structural heart disorder

  • Class II: slight, mild limitation of activity; the patient is comfortable at rest or with mild exertion.

  • Stage B: a structural heart disorder but no symptoms at any stage

  • Class III: marked limitation of any activity; the patient is comfortable only at rest.

  • Stage C: an underlying structural heart problem, but managed with medical treatment

  • Stage C: an underlying structural heart problem, but managed with medical

  • Class IV: any physical activity brings on discomfort and symptoms occur at rest.

  • Stage D: hospital-based support, a heart transplant or palliative care.

Risk Factors

Cannot be changed

Can be treated

Nutritional Diet

  • Sodium intake < 3,000 mg/day

  • Lesser HF symptoms

  • What does 1500, 2300 or 3000 mg/day mean?

  • Low salt doesn’t mean low sodium


sodium restricted diet

  • Understanding sodium content of food

  • Lack of food selection

  • Food preparation habits

  • Fast foods and convenience products

  • Understanding the symptoms of HF

  • Literacy

  • Co-morbidities

  • Depression: worse self-care & poorer prognosis


sodium restricted diet

The Problem

  • How can we assist HF patients in understanding their appropriate daily

  • sodium intake and motivate them to

  • bring about a

  • behavior change?

Solution 1

informative hospital food +

interactive packaging

Solution 1

informative hospital food

Solution 1

interactive packaging

Related Work

  • How to Nudge In Situ: Designing Lambent Devices to deliver Information Salience in Supermarkets



Solution 2

Trust Labels, not taste buds


Difficult to follow everyday

Solution 2

Apps to monitor sodium intake

Milk, fluid, 1% fat, without added vitamin A and vitamin D

on-line global nutrition information

Solution 2

App architecture design

Mobile device

Scan QR code

Intuitive output

Input: QR code or text

Client server communication

Data retrieval

Web server

USDA Database

Solution 3

Dietary Recall systems

Track daily sodium consumption and provide feedback.

Frequently consumed items




Solution 4

Food recommendations