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Table 3 Study matching score

From: Does off-pump coronary revascularization confer superior organ protection in re-operative coronary artery surgery? A meta-analysis of observational studies

Study

Inclusion criteria

Exclusion criteria

Matching criteria

Matching score (Max 37)

Off

On

Off

On

Alamanni [10]

A, F

A

NS

NS

NS

0

Bergsland [11]

A, K

A, K

NS

NS

8, 13, 15, 16, 18, 20, 21,25, 28, 29, 31

11

Czerny [12]

A, B, K

A, B, K

D, G

D, G

2, 8, 10, 26, 32, 33

6

Dewey [13]

A, F, G

A

E, F

A, B, E, F

2, 5, 8, 13, 14, 15, 16, 18, 20, 21, 22

11

D’Ancona [14]

A

A

NS

NS

1, 2, 3, 5, 8, 12, 15, 16, 18, 19, 20, 21, 24, 25, 28, 29

16

Gerli [15]

A, B

A, B

NS

NS

2, 3, 9, 13, 16, 18, 20, 21

8

Mishra [16]

A, I, K

A, I, K

D, E, I, J

J

NS

0

Morris [17]

A, K

A, K

NS

NS

2, 3, 5, 6, 7, 8, 10, 13, 15, 16, 18, 19, 20, 21, 31, 37

16

Schutz [18]

A, I

A, K

D, B

D, B

2, 3, 8, 15, 16, 17, 18

7

Teodori [19]

A

A

NS

NS

2, 3, 8, 21, 22, 26, 28, 31

8

Tugtekin [20]

A, K

A, K

J

J

2, 3, 8, 9, 10, 11, 13, 16, 20, 22, 24, 25, 26

13

Vohra [21]

A, B, C

A, B, C

D, F

D, F

3, 6, 7, 9, 10, 12, 13, 15, 16, 17, 18, 20, 22, 24, 29, 30, 31, 32

18

  1. Inclusion Criteria: (A) Re-do CABG, (B) Elective operation; (C) Previous CPB CABG; (D) Single-vessel disease; (E) Multi-vessel disease; (F) High-risk for CPB; (G) Significant medical co-morbidities; (H) Age >75; (I) Symptomatic CAD not managed by medical therapy; (J) Angiographically non-calcified non-intramyocardial distal LAD and patent LIMA; (K) Discretion of the surgeon.
  2. Exclusion Criteria: (A) High-risk for CPB; (B) Significant medical co-morbidities; (C) Religious convictions that precluded blood transfusion; (D) Emergency operation; (E) Haemodynamic instability; (F) Cardiogenic shock; (G) Unstable angina; (H) Age <75; (I) Poor quality of distal coronary target vessels; (J) Discretion of the surgeon.
  3. Matching Criteria: (1) Number of patients; (2) Age; (3) Gender; (4) Body Mass Index; (5) Congestive Heart Failure; (6) CCS Class III/IV; (7) NYHA Class III/IV; (8) Ejection Fraction; (9) Ejection Fraction <30%; (10) Number of Diseased Vessels; (11) 3-Vessel Disease; (12) Left Main Stem Disease; (13) Previous MI; (14) Previous Valve Repair/Replacement; (15) Hypertension; (16) Diabetes; (17) Hypercholestrolaemia; (18) Renal Impairment/Failure; (19) Pre-Op Dialysis; (20) COPD; (21) Cerebrovascular Disease; (22) Peripheral Vascular Disease; (23) Elective Operation; (24) Urgent Operation; (25) Emergency Operation; (26) Time from Previous CABG; (27) Frequency of Patent, Significantly Stenosed (>70%) or Occluded Previous Grafts; (28) Calcified Ascending Aorta; (29) Pre-Op IV GTN; (30) Pre-Op IV Inotropes; (31) Pre-Op IABP; (32) EuroSCORE; (33) Parsonnet Score; (34) Cleveland Clinic Score; (35) Viability Studies; (36) Hospital Volume; (37) Surgeon Volume.
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Journal of Cardiothoracic Surgery

ISSN: 1749-8090

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