Table 4.
Ischaemic testing and symptoms pre-/post-revascularization in patients with no obstructive CAD
| ID | History | Anatomy, % Narrowing | Pretest | Pre-revascularization test result | Time to post-test | Post-test | Post-test result | Symptoms (follow-up) |
|---|---|---|---|---|---|---|---|---|
| 30 | 27 M, chest pain, presyncope | ARCA, 50–70%a,b | ETT SPECT | Positive ETT, No ischaemia | 2.2 monthsc | ETT SPECT | Inconclusive ETT No ischaemia | None (67 months) |
| 33 | 52 M, chest pain | ARCA, 25–50% | ETT SPECT | Inconclusive ETT, Mild inferior ischaemia | 2.0 months | ETT SPECT | Normal ETT, No ischaemia | None (85 months) |
| 37 | 61 M, chest pain | ARCA, 50–70% | ETT SPECT | Positive ETT Mild inferolateral ischaemia | 8.7 months | ETT SPECT | Normal ETT No ischaemia | None (45 months) |
| 91 | 52 M, chest pain | ARCA, 50–70% | ETT SPECT | Normal ETT Mild inferior ischaemia | 8.4 months | ETT SPECT | Normal ETT No ischaemia | Noncardiac (56 months) |
| 3 | 60 F, chest pain | ARCA, >70% | ETT SPECT | Positive ETT Moderate inferior ischaemia | – | – | – | None (73 months) |
| 64 | 40 M, chest pain | ARCA, 50–70% | ETT SPECT | Positive ETT Moderate inferior ischaemia | – | – | – | None (1.5 months) |
| 94 | 69 F, chest pain | ARCA, 50–70% | ETT & PET | Positive ETT No ischaemia (pharm PET) | – | – | – | None (80 months) |
| 51 | 42 F, chest pain, palpitations | ARCA, 25–50% | ETT SPECT | Inconclusive ETT No ischaemia | – | – | – | No chest pain (104 months) |
| 84 | 13 M, chest pain | ARCA, 25–50% | – | – | 2.1 months | ESE | Normal ESE | Noncardiac (2.3 months) |
| 61 | 36 F, aborted SCD | ARCA, 25–50% | – | – | 10.1 months | ETT | Normal ETT | None pre/post (71 months) |
| 28 | 41 M, aborted SCD | ARCA, 50–70% | – | – | – | – | – | None pre/post (74 months) |
| 38 | 55 F, dyspnoea undergoing AVR | Subpulm. LM, <50% | ESE | Normal ETT No ischaemia | – | – | – | Dyspnoea (61 months) |
| 44 | 78 F, dyspnoea undergoing AVR | Subpulm LM, <50% | ETT SPECT | Normal ETT Mild anterior ischaemia | 32.0 months | ETT SPECT | Normal ETT, No ischaemia | None (94 months) |
ARCA, interarterial anomalous right coronary artery; COPD, chronic obstructive pulmonary disease; ESE, exercise stress echocardiogram; ETT, exercise treadmill test; PET, positron emission tomography; Pharm, pharmacologic stress; SCD, sudden cardiac death; SPECT, single photon emission computed tomography; Subpulm LM, subpulmonic left main coronary artery.
aDenotes % narrowing in proximal luminal diameter on CTA.
bAll patients with ARCA revascularization were RCA dominant.
cTime from coronary revascularization to post-test; (—) denotes no testing.