Table 1.

Demographic data of the 10 patients who underwent PET examination

Age at scanning (years)SexCH sinceCH sideDate operatedDate scannedPain free?Stimulus characteristics [amplitude (V)/pulse width (μs)/frequency (Hz)]Preventative medication
Pat 141M1997LeftJuly 2000May 2002Yes3.2 V/60 μs/180 HzNone
Pat 252M1997LeftNovember 2000May 2002Yes1.1 V/60 μs/180 HzMethysergide, 4 mg; Verapamil, 240 mg
Pat 364F1994LeftMay 2001May 2002Yes3.0 V/60 μs/180 HzVerapamil, 80 mg/d
Pat 452M1997RightOctober 2001May 2002Yes3.1 V/60 μs/180 HzMethysergide, 4 mg
Pat 530M2000LeftMarch 2002May 2002Occasional attacks1.4 V/60 μs/180 HzNone
Pat 625M2002LeftOctober 2003November 2004Occasional attacks3.3 V/60 μs/180 HzVerapamil, 360 mga
Pat 751M2002RightAugust 2003November 2004Yes2.6 V/60 μs/180 HzVerapamil, 360 mgb
Pat 851M2002RightNovember 2003November 2004Yes1.7 V/60 μs/180 HzNone
Pat 925M2002RightJuly 2003November 2004Yes2.1 V/60 μs/180 HzNone
Pat 1058M2000RightMay 204November 2004Yes2.5 V/ 60 μs/180 HzNone
  • All patients suffered from four to eight attacks before the operation. Only patients 5 and 6 still suffered from occasional attacks at the time of scanning. Patient 5 was operated on 1 month before PET (operated end of March, scanned beginning of May) and became attack free 4 weeks later. Pat, Patient; M, male; F, female.

  • aTo prevent CH attacks contralateral to the stimulation side, which started well before the implantation.

  • bNot for CH but because of previous myocardial infarction.