Cardiac Disability Score (CCDS)

Based on Indian Journal of Thoracic and Cardiovascular Surgery, 2020

Patient Details

Step 1: Heart Disease Category (HDC)

Select the category that best matches the anatomy/defect.

View Reference Tables 5, 6, & 7 (HDC Groups)
Group Examples Score
Group A
(Mild)		 Small ASD/VSD, Mild PS/AS, Repaired Simple Lesions, MVP without Regurgitation 5
Group B
(Moderate)		 Large VSD/ASD, TOF (Repaired), Coarctation (Repaired), Mod. Valve Disease, Marfan's 10
Group C
(Severe)		 Eisenmenger, Univentricular Heart, Fontan, Complex Cyanotic, Severe Valve Disease, Pulmonary HTN 20

Step 2: Subjective Criteria

Please enter age above to see options.
View Reference Table 2 (Symptoms)
Score Ross Class (< 14 yrs) NYHA Class (≥ 14 yrs)
0 Asymptomatic No limitation (Class I)
10 Mild Tachypnea Mild limitation (Class II)
20 Sweating, Feeding difficulty Marked limitation (Class III)
30 Failure to thrive, SpO2 <95% Severe limitation (Class III-IV)
40 Symptoms at rest Symptoms at rest (Class IV)

Step 3: Objective Criteria

Select all that apply (Max Score capped at 40)

View Reference Table 3 (Objective Data)

Score is additive (10 points per "Yes"), capped at 40 total.

  • Investigations: Ischemia, Strain, Hypertrophy, Arrhythmia on ECG/Holter/Echo.
  • Functional: 6MWT < 400m OR Abnormal Stress Test.
  • Heart Failure: Raised JVP, Edema, Radiological HF signs, BNP > 140.
  • History: Palliative surgery, Syncope, Pacemaker/ICD, Ionotropes.