• L C Pillitteri and R E Clark.
• Jose Carreras Bone Marrow Transplant Unit, Royal Liverpool University Hospital, UK.
• Bone Marrow Transplant. 1998 Sep 1;22(5):495-8.

AbstractMucositis remains an important problem following BMT and may delay discharge from hospital. Patient-controlled analgesia (PCA) systems have been reported to be of benefit in controlling BMT-associated mucositis. The present study comprised 65 patients (age range 16-68 years; 19 allografts, 29 peripheral blood stem cell autografts and 17 autologous bone marrow). Subjects were prospectively randomised to receive intravenous diamorphine for pain relief either by conventional continuous infusion (CI) or by PCA, using a Medex Walkman 440 delivery system. Each patient assessed his/her pain control and nausea daily by a visual analogue scale. Twenty-two patients did not require any diamorphine. Four patients required diamorphine for pain other than mucositis, and four patients failed PCA control. Of 35 assessable cases, no difference in pain control was noted between CI and PCA. However, PCA-controlled patients required significantly less diamorphine than CI controlled patients (mean, 131 +/- 23 mg for PCA vs 296 +/- 40 mg for CI; P = 0.001), and PCA required fewer days of diamorphine than CI (mean, 7.17 +/- 0.66 days for PCA, 9.00 +/- 0.65 days for CI; P = 0.03). Side-effects were minimal and equivalent in the two arms. The findings suggest that PCA and CI offer equivalent control of the pain of BMT-associated mucositis, but PCA requires less total consumption and duration of diamorphine therapy.

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