Table 5.

Selected studies analyzing the coincidence of cytolysis and thrombotic events in patients with AIHA

First author/referenceAIHA typeRate of TE under best supportive therapy (number of patients)Signs for cytolysis during thromboembolic eventsComment
Pullarkat29  Not defined 27% (8 of 30) TE associated with hemolysis (in 7 of 8) Of 8 patients with TE
  • • 6 with aPL-abs

 
Hendrick95  w 80%,
c 10%,
m 10% 
21% (6 of 28) 100% with signs of intravascular hemolysis (i.e, bilirubin, haptoglobin) Of 6 patients with TE
  • • 0 with aPL-abs

 
Baek94  w 97%,
c 3% 
16% (5 of 32) >90% of patients with TE had intravascular hemolysis (LDH, bilirubin) Most patients with AIHA are found to have SLE during follow-up 
Barcellini86  w 60%,
c 27%,
m 8%,
a 5% 
11% (33 of 308) TE associated with intravascular
hemolysis (LDH) 
Of 33 patients with TE
  • • 8 with splenectomy

  • • no association with aPL-abs

 
Roumier96  w 54%,
m 46% 
20% (12 of 60) TE occurred with active hemolysis in all (haptoglobin/LDH/bilirubin) Of 12 patients with TE
  • • 4 with splenectomy

  • • no association with aPL-abs

 
Lecouffe-Desprets85  w 100%
(inclusion criterium) 
20% (8 of 40) TE associated with severe hemolytic flare’ Of 8 patients with TE
  • • 3 with splenectomy

  • • 0 with aPL-abs

 
Prabhu87  w 48%,
c 46%,
a 6% 
6% with life-threating TE (2 of 33) NS Of 2 patients with TE
  • • 0 with splenectomy

  • • 0 with aPL-abs

 
First author/referenceAIHA typeRate of TE under best supportive therapy (number of patients)Signs for cytolysis during thromboembolic eventsComment
Pullarkat29  Not defined 27% (8 of 30) TE associated with hemolysis (in 7 of 8) Of 8 patients with TE
  • • 6 with aPL-abs

 
Hendrick95  w 80%,
c 10%,
m 10% 
21% (6 of 28) 100% with signs of intravascular hemolysis (i.e, bilirubin, haptoglobin) Of 6 patients with TE
  • • 0 with aPL-abs

 
Baek94  w 97%,
c 3% 
16% (5 of 32) >90% of patients with TE had intravascular hemolysis (LDH, bilirubin) Most patients with AIHA are found to have SLE during follow-up 
Barcellini86  w 60%,
c 27%,
m 8%,
a 5% 
11% (33 of 308) TE associated with intravascular
hemolysis (LDH) 
Of 33 patients with TE
  • • 8 with splenectomy

  • • no association with aPL-abs

 
Roumier96  w 54%,
m 46% 
20% (12 of 60) TE occurred with active hemolysis in all (haptoglobin/LDH/bilirubin) Of 12 patients with TE
  • • 4 with splenectomy

  • • no association with aPL-abs

 
Lecouffe-Desprets85  w 100%
(inclusion criterium) 
20% (8 of 40) TE associated with severe hemolytic flare’ Of 8 patients with TE
  • • 3 with splenectomy

  • • 0 with aPL-abs

 
Prabhu87  w 48%,
c 46%,
a 6% 
6% with life-threating TE (2 of 33) NS Of 2 patients with TE
  • • 0 with splenectomy

  • • 0 with aPL-abs

 

Prevalence: 170 per 1 million.159 a, atypical; c, cold; m, mixed; NS, not specified; TE, thrombotic events; w, warm.

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