Table 1.
Patient characteristics (n) | ATP | PCr | PCr/ATP | Notes |
---|---|---|---|---|
NYHA class II (29), class III (8)228 | NR | NR | ↓ | Decrease in PCr/ATP ratio in patients with HFpEF |
NYHA class I (10), class III (8), class IV (1)229 | NR | NR | ↓ | Decrease in PCr/ATP ratio in HCM correlated with presence of fibrotic areas in myocardium of left ventricle |
LVH (20); LVH and CHF (10); no LVH (10)230 | ↓ | ↓ | ↓ | Decrease in ATP flux through CK; 30% decrease in PCr/ATP ratio |
NYHA class I (1), class II (7), class III (7), class III–IV (1), class IV (1)231 |
↓ | ↓ | NR | — |
HCM gene mutations in MHC7 (16), TNNT2 (8), or MYBPC2 (7) (31)232 |
NR | NR | ↓ | 30% reduction in patients with HCM compared with controls; reduction similar in all groups |
HHD (NYHA class 0 [10]) | = | = | ↓ |
|
AS (NYHA class II [7], class III [3]) | = | ↓ | NR | |
DCM (NYHA class II [1], class III [9])233 | ↓ | ↓ | NR | |
AS (10); five followed up234 | NR | NR | ↓ | Decrease in PCr/ATP before aortic valve repair |
HHD (11)235 | NR | NR | ↓ | — |
Chronic mitral regurgitation (22)236 | NR | NR | ↓ | — |
HCM (14)237 | NR | NR | ↓ | — |
DCM (43 total; 6 restrictive cardiomyopathy, 10 normal systolic and diastolic function; 24 cold preserved from transplantations)238 |
↓ | NR | NR | Decrease in ATP in DCM |
AI (9; NYHA class average 2.44) or AS (13; NYHA class average 2.77)239 |
NR | NR | ↓ |
|
DCM (23; NYHA class average 2.7)240 | NR | NR | ↓ | — |
AS (41)241 | ↓ | ↓ | NR | — |
Severe AS (27)242 | NR | NR | ↓ | Hand-grip strength tests (marker of cardiac health) employed in patients |
HCM (19)243 | NR | NR | ↓ | — |
DCM and CHF (NYHA class I [1], class II [3], class III [4])244 |
NR | NR | = | No change with dobutamine infusion |
DCM (9), HCM (8)245 | NR | NR | ↓ | Decreased PCr/ATP ratio in HCM, but not DCM |
CAD (14), DCM (19 total; NYHA class II [4], class III [4], class II–III [7], class III–IV [4])246 |
NR | NR | ↓ |
|
DCM (19), ICM (11)247 | = | NR | NR |
|
Aortic valve disease (6), AI (8)248 | NR | NR | ↓ | Decreased PCr/ATP ratio in patients being treated for heart failure |
DCM (20)249 | NR | NR | ↓ | — |
DCM (6), severe LVH (6), mild LVH (5)250 | NR | NR | = | No change in PCr/ATP ratio in LVH or DCM |
AI, aortic insufficiency; AS, aortic stenosis; CAD, coronary artery disease; CHF, congestive heart failure; CK, creatine kinase; DCM, dilated cardiomyopathy; HCM, hypertrophic cardiomyopathy; HFpEF, heart failure with preserved ejection fraction; HHD; hypertensive heart disease; ICM, insertable cardiac monitor; LVH, left ventricular hypertrophy; NR, not reported; PCr, phosphocreatine.