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Table 4 Evidence Table for Bridging Studies

From: Perioperative management of antiplatelet therapy in patients undergoing non-cardiac surgery following coronary stent placement: a systematic review

Author, year

Study design

Setting

Sample size

Average age

% Female

Operations included

Stent types included and average time since implantation

Antiplatelet strategy

30-day MACE rate

Bleeding Rate

Preoperative

Perioperative

Bridge

Postoperative

Alshawabkeh, 2013 [19]

Retrospective

Single center

Academic

USA

51

65 years old

0%

Abdominal

Endoscopy

Neuro

Orthopedic

Vascular

Other

DES

13.9 months ± 1.7

Dual (C/A) (51/51)

Held all (18/51)

Held clopidogrel (33/51)

Admit day after clopidogrel discontinued, IIb/IIIa drip initiated

Clopidogrel resumed at discretion of surgeon (mean 1.2 days)

7.8% (4/51)1

7.8% (4/51)1,2

Capodanno, 2015 [22]

Retrospective

Multi-center

Academic

Italy

515

68 years old

21%

Abdominal

Endoscopy

Neuro

Ophthalmology

Orthopedic

Vascular

Other

BMS, DES

30% < 180 days

Dual (C/A) (162/515)

Single (ASA) (353/515)

Continued dual (108/515)

Continued ASA (158/515)

Held all (251/515) -->LMWH

Clopidogrel held at least 5 days, ASA held at least 2 days prior to procedure; LMWH bridge

LMWH continued until APT resumed (timing not specified)

LMWH: 7.8% (14/179)

No LMWH: 0.6% (1/179)

LMWH: 22.3% (40/179)

No LMWH: 13.4% (24/179)3

Conroy, 2007 [20]

Retrospective

Single center

Academic

Australia

22 pts., 42 procedures

Not specified

Abdominal

Endoscopy

Other

DES

Not specified

Dual (C/A) (39/42)

Continued dual (21/39)

Held clopidogrel (18/39)

LMWH bridge (2/18)

IIb/IIIa bridge (2/18)

No bridge (14/18)

Not specified

Dual: 0% (0/21)

Dual held, +bridge: 0% (0/4)

Dual held, −bridge: 21% (3/14)1

Dual: 4.8% (1/21)

Dual, held, ±bridge: 0% (0/18)1,4

Marcos, 2011 [21]

Retrospective

Single center

Academic

Netherlands

36, 21 non-cardiac

For entire sample: 66 years old

31%

Abdominal

Endoscopy

Orthopedic

Other

DES

For entire sample: 80 days ± 66

Dual (C/A) (36/36)

Held all (7/36)

Held clopidogrel (29/36)

Discontinued clopidogrel 5 days preop, admit 3 days prior, tirofiban drip

Discontinued clopidogrel 5 days preop, admit 2 days prior, tirofiban drip

If no risk of bleeding, clopidogrel restarted 12-24 h postop

If high-risk, heparin drip until risk was lower

0%

19% (4/21)5

Sonobe, 2011 [23]

Retrospective

Single center

Academic

Japan

38

71 years old

13%

Other:

Major

Thoracic

BMS, DES

31 months

Dual (ASA + P2Y12) (16/38)

Single (ASA) (21/38)

None (1/38)

Coumadin (9/38)

Held all (38/38)

(+) Heparin drip (16/38)

(−) Heparin drip (22/38)

At discretion of surgeon (median 4 days)

(+) Heparin: 0% (0/16)

(−) Heparin: 0% (0/22)

(+) Heparin: 0% (0/16)

(−) Heparin: 0% (0/22)

Tanaka, 2016 [24]

Retrospective

Single center

Academic

Japan

210

71 years old

15.7%

Abdominal

Endoscopy

Ophthalmology

Orthopedic

Vascular

Other

DES

31.9 months ± 23

Dual (ASA + P2Y12) (129/210)

Single (ASA) (60/210)

Single (P2Y12) (19/210)

Coumadin (20/210)

Held all (210/210)

Heparin drip

Restarted heparin drip 2–6 h (low risk) or 10–12 h (high risk) after surgery; APT restarted mean 4.5 days after surgery

0% (0/210)

7.6% (16/210)6

  1. APT antiplatelet therapy, ASA aspirin, BMS bare metal stent, C/A clopidogrel/aspirin, DES drug eluting stent, LMWH low molecular weight heparin, MACE major adverse cardiac event,Neuro neurosurgical procedures
  2. 1Follow-up period not specified
  3. 2GUSTO criteria, moderate/severe [33]
  4. 3Bleeding Academic Research Consortium (BARC) ≥ 2 [14]
  5. 4Bleeding complication, such as reoperation
  6. 5Bleeding requiring transfusion or reoperation
  7. 6TIMI major/minor [34]