The Hip
Home » Ortho Related » Medications » PCAmorphine

PCAmorphine



Postoperative PCA dosing for patients in normal health, AGE < 60yr; (@LIB.HLX^refmorphine[Ref)
Lean B.Wt     Morphine         Morphine    Lockout       Morphine (mg/hr)
 (kg)      Load Dose (mg)     PCA (mg)  Interval(min)  Cont. Infusion
    30           1.5               0.6         10              0.5
    40           2.0               0.8         10              0.6
    50           2.5               1.0         10              0.8
    60           3.0               1.2         10              0.9
    70           3.5               1.4         10              1.1
    80           4.0               1.6         10              1.2
    90           4.5               1.8         10              1.4
   100          5.0               2.0         10              1.5
I)   Note: Must Reduce Dose or Increase Lockout Interval and Eliminate
     Continuous Infusion for Patients having any of the following
          Conditions;
              A) Greater than 60yrs old;
              B) Morbid Obesity
              C) Pulmonary Impairment
              D) Hepatic Impairment
              E) Renal Impairment
 II)  Usual Lockout Range is 6 to 20 minutes
 III) Meperidine Cannot be used as a Continuous Infusion
 IV) An optional Four Hr Dose Limit (usually 15-30mg) may be added to the PCA prescription