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Table 2 Surgical data (n = 48)

From: Predictors of in-hospital mortality after mitral valve surgery for post-myocardial infarction papillary muscle rupture

Variablea

Value

Mitral valve surgery

 

  Salvage

2 (4)

  Emergent

29 (60)

  Urgent

11 (23)

  Elective

6 (13)

Timing of mitral valve surgery

 

  Surgery ≤7 days after MI

27 (56)

  Surgery >7 days and ≤30 days after MI

9 (19)

  Surgery >30 days after MI

12 (25)

Posteromedian papillary muscle rupture

42 (88)

  Complete

15 (36)

  Incomplete

2 (5)

  Partial

25 (59)

Anterolateral papillary muscle rupture

5 (10)

  Complete

4 (80)

  Incomplete

0 (0)

  Partial

1 (20)

PMPM and ALPM rupture (both complete)

1 (2)

Leaflet prolapse

 

  AMVL prolapse

12 (25)

  PMVL prolapse

15 (31)

  AMVL and PMVL prolapse

21 (44)

Surgical approach

 

  Left atriotomy

34 (71)

  Transseptal

13 (27)

  Left ventriculotomy

1 (2)

Mitral valve replacement

38 (79)

  Mmechanical prosthesis

35 (92)

  Bioprosthesis

3 (8)

  (partial) preservation of the subvalvular apparatus

24 (63)

Mitral valve repair

10 (21)

  Reimplantation of the PM in the LV wall and annuloplasty ring (Carpentier-Edwards Classic)

1 (10)

  Reimplantation of the PM in the corresponding PM with a sandwiched pledget-reinforced PTFE suture and annuloplasty ring (Carpentier-edwards Classic or Physio II

2 (20)

  Quadrangular resection of P2 and annuloplasty ring (Carpentier-Edwards Classic or Carbomedics)b

6 (60)

  Commissuroplasty and annuloplasty ring (Carpentier- Edwards Physio II)

1 (10)

Intraoperative mitral valve repair failure

1 (9)

Concomitant surgery

28 (58)

  Coronary artery bypass grafting

24 (50)

  Septal rupture closure

2 (4)

  Aortic valve replacement

1 (2)

  Tricuspid valve plasty

2 (4)

Duration of surgery, min

278 ± 88

Cardiopulmonary bypass time, min

178 ± 68

Aortic cross-clamp time, min

98 ± 36

Intraoperative IABP requirement

24 (50)

  1. aData are presented as mean ± standard deviation or number (%).
  2. bFailed in 1 patient intraoperatively and resulted in mitral valve replacement (not counted as mitral valve repair).
  3. ALPM: anterolateral papillary muscle; AMVL: anterior mitral valve leaflet; IABP: intra-aortic balloon pump; LA: left atrium; LV: left ventricle; MI: myocardial infarction; PMPM: posteromedian papillary muscle; PM(R): papillary muscle (rupture); PMVL: posterior mitral valve leaflet; PTFE: polytetrafluorethylene.