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KMID : 0363120130260010032
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Korean Journal of Pain
2013 Volume.26 No. 1 p.32 ~ p.38
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Continuous Intrathecal Morphine Administration for Cancer Pain Management Using an Intrathecal Catheter Connected to a Subcutaneous Injection Port: A Retrospective Analysis of 22 Terminal Cancer Patients in Korean Population
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Kim Jong-Hae
Jung Jin-Yong
Cho Min-Soo
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Abstract
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Background: Intrathecal opioid administration has been used widely in patients suffering from severe cancer pain that is not managed with conventional modalities. However, the potential serious neurological complications from the procedure and the side effects of intrathecal opioids have made many clinicians reluctant to employ continuous intrathecal analgesia as a first-line therapeutic option despite its dramatic effect on intractable pain. We retrospectively investigated the efficacy, side effects, and complications of intrathecal morphine administration through intrathecal catheters connected to a subcutaneous injection port (ICSP) in 22 Korean terminal cancer patients with successful intrathecal morphine trials. Methods: Patient demographic data, the duration of intrathecal opioid administration, preoperative numerical pain rating scales (NRS) and doses of systemic opioids, side effects and complications related to intrathecal opioids and the procedure, and the numerical pain rating scales and doses of intrathecal and systemic opioids on the 1st, 3rd, 7th and 30th postoperative days were determined from medical records. Results: Intrathecal morphine administration for 46.0 ± 61.3 days significantly reduced NRS from baseline on all the postoperative days. A significant increase in intrathecal opioids with a nonsignificant decrease in systemic opioids was observed on the 7th and 30th postoperative days compared to the 1st postoperative day. The most common side effects of intrathecal opioids were nausea/vomiting (31.8%) and urinary retention (38.9%), which were managed with conservative therapies. Conclusions: Intrathecal morphine administration using ICSP provided immediate and beneficial effects on pain scores with tolerable side effects in terminal cancer patients.
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KEYWORD
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cancer pain, complications, efficacy, intrathecal morphine, side effects
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