574
ANESTHESIA A N D ANALGESIA . . . Current R a p a r c h e s Vor.. 55. No. 4, JLXY-AUGUST, 1976
A Dosage Nomogram for Sodium Nitroprusside-Induced Hypotension Under Anesthesia NOEL W. LAWSON, M D * DOLA S. THOMPSON, M D t CARL L. NELSON, MD:I JOAN W. FLACKE, MDS ASTRIDE 5. SEIFEN, MDll Little Rock, Arkansas**
Sodium nitroprusside (SNP) was used t o produce deliberate hypotension in 30 selected patients, 9 t o 78 > e a r s of age, f o r total hip replacement under halothane-N,O-Oa anesthesia. Hynotension was induced in the first 13 patients by infusing a 0.01% (100 pglml) solution of nitroprusside ( N P ) in 57’0 dextrose. Illood pressure was diminished t o a level j u s t producing a d r y surgical field. Preliminary data demonstrated t h a t t h e mean arterial blood pressure (MAP) achieving this condition was 65 t o r r (p
ANESTHESIA A N D ANALGESIA . . . Current R a p a r c h e s Vor.. 55. No. 4, JLXY-AUGUST, 1976
A Dosage Nomogram for Sodium Nitroprusside-Induced Hypotension Under Anesthesia NOEL W. LAWSON, M D * DOLA S. THOMPSON, M D t CARL L. NELSON, MD:I JOAN W. FLACKE, MDS ASTRIDE 5. SEIFEN, MDll Little Rock, Arkansas**
Sodium nitroprusside (SNP) was used t o produce deliberate hypotension in 30 selected patients, 9 t o 78 > e a r s of age, f o r total hip replacement under halothane-N,O-Oa anesthesia. Hynotension was induced in the first 13 patients by infusing a 0.01% (100 pglml) solution of nitroprusside ( N P ) in 57’0 dextrose. Illood pressure was diminished t o a level j u s t producing a d r y surgical field. Preliminary data demonstrated t h a t t h e mean arterial blood pressure (MAP) achieving this condition was 65 t o r r (p
