Page 51 - WJOLS
P. 51

Thoracic Epidural versus Morphine Patient Controlled Analgesia After Laparoscopic Colectomy
                            World Journal of Laparoscopic Surgery, September-December 2008;1(3):49-52
            Thoracic Epidural versus Morphine Patient


            Controlled Analgesia After Laparoscopic

            Colectomy


                       2
            1 RJ Dennis,  P Mills
            1 SpR General Surgery, Department of General Surgery, West Suffolk Hospital, Hardwick Lane, Bury St Edmunds, Suffolk IP33 2QZ
            2 Consultant anaesthetist, Department of Anesthetics, West Suffolk Hospital, Hardwick Lane, Bury St Edmunds, Suffolk IP33 2QZ

            Correspondence: RJ Dennis, Department of General Surgery, Luton and Dunstable Hospital, Lewsey Road, Luton LU4 0DZ
            E-mail: robertdennis@nhs.net




                                                                                                         6
            Abstract                                              One previous American study by Senagore et al demons-
                                                               trated that pain control, measured as a secondary outcome,
            Despite the benefits of the laparoscopic approach to colorectal surgery
            patients still experience significant levels of pain post- operatively.  was significantly improved at 6 and 18 hours following laparos-
            This study aimed to compare the use of thoracic epidural vs. morphine  copic surgery in patients receiving TEA compared to PCA.
            patient controlled analgesia in the management of pain after  However the epidural opiate dosage was larger than those
            laparoscopic colorectal surgery. A retrospective analysis of hospital  conventionally used in European practice and the TEA arm
            records was performed for 16 patients undergoing laparoscopic  were allowed rescue analgesia with intravenous morphine
            colorectal surgery (8 thoracic epidural, 8 patient controlled analgesia).
            Visual rating scale pain scores (0 – 10) were significantly lower for  boluses. One further study has shown improved analgesia in
            patients managed with thoracic epidural in recovery (mean [95% CI] )  the first 48 hours after surgery with TEA using lower opiate
            (0 vs. 5.3 [3.6-6.9]), at 6 hours (1 [0-2.0] vs. 5.4 [4.2-6.5]), 12 hours  dosages. 7
            (0.4 [0-1.1] vs. 4.4 [3.3-5.4]) and 24 hours (1.3 [0-2.8] vs. 5.9 [4.9-  This paper reports our experience of TEA vs PCA in the
            6.9]). Thoracic epidural offers the optimal analgesia and quality of  management of patients following laparoscopic colectomy.
            care to the patient following laparoscopic colectomy.
            Keywords: Laparoscopic anesthesia; epidural versus morphine;  METHODS
            laparoscopic colectomy; anethesia in colorectal surgery.
                                                               Patients
            INTRODUCTION                                       Sixteen patients who underwent laparoscopic colectomy (right
            Laparoscopic abdominal surgery avoids a large incision in the  hemicolectomy, sigmoid colectomy or subtotal colectomy) were
            abdominal wall, thereby reducing both postoperative pain and  included in this comparative study. The two groups of patients
            the initiation of the postoperative inflammatory cascade  were those who received morphine PCA and those managed
                   1
            response.  A number of studies including the COST trial have  with TEA for postoperative pain control.
            shown a reduction in analgesic requirements following  Mechanical bowel preparation was used in all cases,
            laparoscopic colectomy compared with open colectomy. 2-4  although limited to a single phosphate enema for right
            Despite this reduction in analgesic requirements the intra-  hemicolectomy. Prophylactic cefuroxime 0.75-1.5 gm and
            abdominal dissection and prolonged distension of the  metronidazole 500 mg were administered intravenously at the
            peritoneum and abdominal wall during laparoscopic colectomy,  induction of anesthesia. All patients had a catheter inserted at
            results in significant postoperative pain requiring provision of  surgery and removed once sufficiently mobile and once the
            excellent analgesia to facilitate recovery.
               In open surgery the two established techniques for  epidural catheter had been removed in the TEA group. All
            postoperative pain management are thoracic epidural analgesia  patients were permitted clear fluids immediately after surgery
            (TEA) and patient controlled analgesia (PCA) with intravenous  and a full diet introduced once any distention had settled and
            morphine. TEA has been shown to provide superior pain relief  the patient had passed flatus. Patients were discharged from
            when compared to PCA for up to 72 hours following open  hospital when tolerating a normal diet and pain was well
            abdominal surgery. 5                               controlled on oral analgesics.




                                                             49
   46   47   48   49   50   51   52   53   54   55   56