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Spinal analgesia

Whittle ED

Malaya Medical Journal, 1911;9:15-20.

Matched MeSH terms: Analgesia
Fulltext Post-oesophagectomy analgesic regimes: a 15-year review of 90 cases at University Hospital, Kuala Lumpur

Delilkan AE, Sannasi RV

Med J Malaysia, 1985 Mar;40(1):15-9.
PMID: 3913850

The relief of pain is of crucial importance in the management of patients undergoing a total three-stage oesophagectomy. Respiratory problems as a result of inadequate or overzealous analgesic regimes can ruin all pre-operative and per-operative efforts. 90 patients who underwent a total oesophagectomy over a 15-year period (1967-1982) at University Hospital Kuala Lumpur, were reviewed (36 for benign stricture and 54 for carcinoma of the oesophagus). Four post-operative analgesic regimes were used: immediate extubation and parenteral analgesics; 24-48 hour IPPV and timed dose/continuous infusion of parenteral narcotics; 24-48 hour IPPV plus extradural catheter analgesia; intra-operative direct intercostal nerve blocks, extubation and parenteral analgesics. Morbidities and mortalities are analysed.

Matched MeSH terms: Analgesia*; Analgesics*
Epidural tramadol for postoperative pain relief

Delilkan AE, Vijayan R

Anaesthesia, 1993 Apr;48(4):328-31.
PMID: 8494137

The efficacy of epidurally administered tramadol hydrochloride, a weak centrally acting analgesic, was studied for the relief of postoperative pain. Sixty patients undergoing abdominal surgery were randomly allocated to three treatment groups to be given the following agents by the epidural route: group 1 tramadol 50 mg; group 2 tramadol 100 mg; group 3 10 ml of bupivacaine 0.25%. The drugs were administered at the patients' request with each patient being allowed four doses in the first 24 h following surgery. Blood pressure, pulse rate, respiratory rate, arterial blood gas analyses, pain scores, the interval between doses and the occurrence of any side effects were recorded. Pain scores (assessed using a visual analogue scale) were significantly less (p < 0.05) at 3, 12, and 24 h in patients receiving tramadol 100 mg than in those receiving tramadol 50 mg or bupivacaine. The mean interval between doses for groups 1, 2 and 3 was 7.40 h, 9.36 h and 5.98 h respectively. The mean interval in group 2 was significantly longer than in group 3 (p < 0.05). The incidence of nausea and vomiting in group 2 was significantly higher than in group 3 (p < 0.05).

Matched MeSH terms: Analgesia, Epidural*
Fulltext Epidural buprenorphine and bupivacaine in major gynaecological operations

Loh SP

Med J Malaysia, 1993 Jun;48(2):207-10.
PMID: 8350797

Eight patients underwent major gynaecological operations. Their post-operative analgesia was provided by epidural buprenorphine 0.15 mg and bupivacaine 0.5%. The efficacy and side-effects of this combination were assessed. All patients had satisfactory analgesia ranging in duration from 10 hours to greater than 36 hours after a single dose injection. No significant side-effect was noted.

Matched MeSH terms: Analgesia, Epidural/methods*
Abdominal nerve blockade for postoperative analgesia after caesarean section

Kuppuvelumani P, Jaradi H, Delilkan A

Asia Oceania J Obstet Gynaecol, 1993 Jun;19(2):165-9.
PMID: 8379864

A prospective study of blocking T10-L1 with local anaesthetic, bilaterally in 30 patients undergoing caesarean section under general anaesthesia has been shown to provide effective postoperative analgesia thus requiring significantly less narcotics (mean 66.6 mg of pethidine) compared to the 30 patients in the control group (mean 163 mg of pethidine). A cocktail of 0.5% of bupivacaine with adrenaline and xylocaine 1% produced analgesia for the duration ranging from 8 to 12 hours (mean 8.4 hours). Patients with abdominal field block were awake, alert and comfortable during the immediate postoperative period. They were pain-free sufficiently to put the babies to the breast early and frequently.

Matched MeSH terms: Analgesia, Obstetrical/methods*
Fulltext First year's experience with an acute pain service--University Hospital Kuala Lumpur

Vijayan R, Delilkan AE

Med J Malaysia, 1994 Dec;49(4):385-400.
PMID: 7545779

An Acute Pain Service (APS) was started in University Hospital, Kuala Lumpur by the Department of Anaesthesiology in October 1992 for more effective control of postoperative pain. The main modalities of treatment included patient controlled analgesia (PCA) using morphine or pethidine with PCA devises, epidural opiate analgesia (EOA) using tramadol or fentanyl/bupivacaine mixture and subcutaneous administration of morphine or pethidine. Five hundred and fifty-one patients were managed in the first year, with an overall patient satisfaction score of 83%. The majority (98.5%) of them were after abdominal or major orthopaedic surgery. Eighty per cent of patients scored < 3 on the verbal numeric pain scale, where 0 is no pain and 10 is the worst imaginable pain, on the first postoperative day. Nausea and vomiting was an unpleasant side effect in 20% of patients.

Matched MeSH terms: Analgesia, Epidural; Analgesia, Patient-Controlled
Fulltext Management of patients before, during and after upper gastrointestinal endoscopy

Chuah SY

Med J Malaysia, 1995 Jun;50(2):162-5.
PMID: 7565187
Matched MeSH terms: Analgesia
Fulltext Acceptability of epidural analgesia for pain relief during labour among Kelantanese women

Sharma S, Mohamad NA, Monga D, Achana S

Med J Malaysia, 1996 Dec;51(4):453-6.
PMID: 10968033

Three hundred and five primigravid women were interviewed at term to assess the acceptability of epidural during labour, and reasons for the decisions. Data was collected on a prestructured proforma which consisted of background information, socio-economic status, knowledge about epidural analgesia, source of information and reasons for choice. Of the 305 patients only 17.3% were willing to receive epidural analgesia. This group consisted of 56.6% non-Malay women. Those employed in professional or skilled jobs (56.6%) also readily consented for epidural. Nearly half the women willing for epidural had received college (tertiary) education (43.3%) and more than a quarter (26.4%) were over 30 years of age. The majority of those who were unwilling had no prior knowledge about the procedure, and refused either out of fear, ignorance, resistance from husbands, on religious grounds or following poor feedback from friends. In order to advocate epidural analgesia, knowledge has to be targeted to the relatively less educated, unemployed women, mainly through the media or personally in the antenatal clinic by doctors and nurses. Services have to be improved as substandard analgesia may send out wrong messages and actually do more harm than good.

Matched MeSH terms: Analgesia, Epidural*; Analgesia, Obstetrical*
The pregnancy outcome of acyanotic heart disease

Chia P, Raman S, Tham SW

J Obstet Gynaecol Res, 1998 Aug;24(4):267-73.
PMID: 9798356

To study the pregnancy outcome of women with acyanotic heart disease.

Matched MeSH terms: Analgesia, Epidural
Morphine-sparing effect of ketoprofen after abdominal surgery

Rao AS, Cardosa M, Inbasegaran K

Anaesth Intensive Care, 2000 Feb;28(1):22-6.
PMID: 10701031

In a double-blind, placebo-controlled clinical trial (power of 80% to detect a 30% reduction in morphine consumption, P < 0.05), we have determined that the administration of two doses of intravenous ketoprofen 100 mg, one at the end of surgery and the second 12 hours postoperatively, was associated with a significant reduction in morphine consumption at eight (P = 0.028), 12 (P = 0.013) and 24 hours (P = 0.013) but not four hours (P = 0.065) postoperatively, as compared to placebo, when assessed by patient-controlled analgesia. There was no difference between the groups in pain scores or in the incidence of nausea and vomiting. One patient in the placebo group suffered from excessive sedation while one patient from the ketoprofen group suffered from transient oliguric renal failure. There were no other adverse effects. The results of this study show that ketoprofen does provide a morphine-sparing effect in the management of postoperative pain after abdominal surgery.

Matched MeSH terms: Analgesia, Patient-Controlled
A survey of the current practice of obstetric anaesthesia and analgesia in Malaysia [correction of Malaysis]

Chan YK, Ng KP

J Obstet Gynaecol Res, 2000 Apr;26(2):137-40.
PMID: 10870307

OBJECTIVE: A survey covering 30% of the deliveries in Malaysia was done to determine the practice of obstetric anaesthesia and analgesia for 1996.
RESULTS: From the survey, it was found that the regional anaesthesia rate for caesarean section was 46% in the government hospitals compared to 29.2% in the private hospitals, with spinal anaesthesia being the most common regional anaesthetic technique used in both types of hospitals. The epidural rate for labour analgesia was only 1.5% overall for the country. Epidural analgesia services were available in all private hospitals whereas 17.6% of government hospitals surveyed did not offer this service at all.
CONCLUSIONS: Although the use of epidural analgesia for labour was low in Malaysia, the overall rate of regional anaesthesia for caesarean section (41.9%) is very much in keeping with the standards of safe practice recommended by the United Kingdom.

Matched MeSH terms: Analgesia, Obstetrical/statistics & numerical data*
Design of the multicenter Australian study of epidural anesthesia and analgesia in major surgery: the MASTER trial

Rigg JR, Jamrozik K, Myles PS, Silbert B, Peyton P, Parsons RW, et al.

Control Clin Trials, 2000 Jun;21(3):244-56.
PMID: 10822122

The Multicenter Australian Study of Epidural Anesthesia and Analgesia in Major Surgery (The MASTER Trial) was designed to evaluate the possible benefit of epidural block in improving outcome in high-risk patients. The trial began in 1995 and is scheduled to reach the planned sample size of 900 during 2001. This paper describes the trial design and presents data comparing 455 patients randomized in 21 institutions in Australia, Hong Kong, and Malaysia, with 237 patients from the same hospitals who were eligible but not randomized. Nine categories of high-risk patients were defined as entry criteria for the trial. Protocols for ethical review, informed consent, randomization, clinical anesthesia and analgesia, and perioperative management were determined following extensive consultation with anesthesiologists throughout Australia. Clinical and research information was collected in participating hospitals by research staff who may not have been blind to allocation. Decisions about the presence or absence of endpoints were made primarily by a computer algorithm, supplemented by blinded clinical experts. Without unblinding the trial, comparison of eligibility criteria and incidence of endpoints between randomized and nonrandomized patients showed only small differences. We conclude that there is no strong evidence of important demographic or clinical differences between randomized and nonrandomized patients eligible for the MASTER Trial. Thus, the trial results are likely to be broadly generalizable.

Matched MeSH terms: Analgesia/statistics & numerical data*
Epidural analgesia in primigravidae in spontaneous labour at term: a prospective study

Leong EW, Sivanesaratnam V, Oh LL, Chan YK

J Obstet Gynaecol Res, 2000 Aug;26(4):271-5.
PMID: 11049237

OBJECTIVES: To prospectively study the intervention rate, duration of labour, malpositions, fetal outcome, maternal satisfaction, voiding complications and adverse events in healthy primigravidae in spontaneous labour at term following epidural analgesia.
METHODS: A prospective randomized study involving 55 patients in the epidural group and 68 in the control pethidine--inhalational entonox group.
RESULTS: There were significantly more obstetric interventions (instrumental deliveries) in the epidural group (p < 0.01). The total duration of labour and the duration of the second stage was prolonged in the epidural group (p < 0.01). There were more malpositions at the second stage of labour in the epidural group (p < 0.02). There were no differences in fetal outcome (Apgar scores and Special Care Nursery admissions). Patients in the epidural group were consistently happier with their method of pain relief (p < 0.01). Two patients required blood patches while another 2 patients had persistent backache post epidural analgesia.
CONCLUSION: Epidural analgesia in primigravidae in spontaneous labour at term led to an increased instrumental delivery rate, prolonged duration of labour, greater rate of malpositions in the second stage, increased oxytocin requirements but with no difference in fetal outcomes but with happier mothers as compared to the control group.

Matched MeSH terms: Analgesia, Epidural*; Analgesia, Obstetrical*
Trends in obstetric anaesthesia and analgesia over a ten year period in the University Malaya Medical Centre, Kuala Lumpur

Chan YK, Ng KP, Chiu CL

Int J Obstet Anesth, 2002 Jul;11(3):176-9.
PMID: 15321544 DOI: 10.1054/ijoa.2002.0954

Available data for obstetric care in the University Malaya Medical Centre, Kuala Lumpur from 1987 to 1999 were reviewed. Despite incomplete data, we were able to determine fairly well the practice of obstetric anaesthesia and analgesia in the unit, and the changes over the years. There was a decline in the use of general anaesthesia for both elective and emergency caesarean sections from 41.3% and 69.4% respectively in 1995 to 21.6% and 26.9% respectively in 1999. By 1999, regional anaesthesia had become the most common method of anaesthesia administered in both elective (14.3% epidural and 63.5% spinal) and emergency (30.2% epidural and 42.6% spinal) caesarean sections. The percentage of patients delivering vaginally who received epidural analgesia appeared to have stabilised at about 8 to 9% in the last few years, with a gradual decline in the total instrumental delivery rate from a high of about 12% to the pre-epidural rate of 7%.

Matched MeSH terms: Analgesia*
Fulltext Adequacy of pain relief in closed manipulative reduction of fracture and dislocation

Wan Hazmy CH, Maizuliana SH, Mastura MT, Norazlina M

Med J Malaysia, 2006 Feb;61 Suppl A:45-9.
PMID: 17042229

Adequate pain relief is a requisite for a successful closed manipulative reduction (CMR) of fractures and dislocations. This prospective study was undertaken to assess the mode and adequacy of pain relief given to patients undergoing such procedures at Seremban Hospital from the 1st April to the 31st May 2001. All patients with fractures and dislocations scheduled to undergo CMR were included in this study. The type of sedative agents and analgesia administered were recorded. Demographic data and the type of fracture or dislocation of the selected patients were documented. A visual analogue scale (VAS) for pain perception was given to both to the patients and the medical personnel who performed the procedure. All data were collected manually before entered into computerized database for analysis. Of 72 patients included in this study, 47% were Malay, 26% Indian, 21% Chinese and 6% others. There was male predominance and the patients' age ranged between 9 to 79 years (average 27.4 years). Upper limb injuries (79%) were mainly fractures of the radius and ulna (29%) and isolated fracture radius (21%). For the lower limb injuries (21%), combined tibia and fibula fractures constituted 10% of the total cases followed by isolated tibia fractures (10%) and hip dislocation (1%). The most common pain relieving agents given during the CMR were intravenous pethidine alone (43%) followed by combination of intravenous pethidine and valium (36%), intramuscular pethidine (17%) and intramuscular tramal (4%). The Visual Analogue Score (VAS) for pain perception revealed that 61% of the patients had moderate pain while 21% had severe pain during the course of the procedures. Suboptimal pain relief administered during CMR should prompt positive actions to ensure that the patient is not subjected to undue pain just for the sake of an acceptable fracture reduction.

Matched MeSH terms: Analgesia/standards
Fulltext A comparative study of intravenous patient-controlled analgesia morphine and tramadol in patients undergoing major operation

Hadi MA, Kamaruljan HS, Saedah A, Abdullah NM

Med J Malaysia, 2006 Dec;61(5):570-6.
PMID: 17623958

The success of major surgery depends partly on providing effective post-operative pain relief, which can be commonly achieved by morphine administration via patient- controlled analgesic (PCA) system. Alternatively, tramadol which is a weak opioid analgesic, can be used for post operative pain relief. The purpose of this study was to evaluate the effectiveness of intravenous PCA tramadol in comparison with PCA morphine in term of analgesic properties, sedation and side effects. A randomized, double-blinded study was conducted on 160 ASA I and II patients who underwent major operations. Eighty of them received a loading dose of intravenous morphine 0.1 mg/kg followed by PCA morphine bolus of 1 mg (1 mg/ml) as required, while the other 80 patients received a loading dose of 2.5 mg/kg of intravenous tramadol followed by PCA infusion of 10 mg (10 mg/ml) as required. Patients were monitored for pain, sedation and side effects as well as respiratory rate, nausea, vomiting, pruritus, blood pressure and pulse rate. Patients were evaluated 30 minutes, 4 hours, 24 hours and 48 hours post operation. There were no differences in the demographic data between the two groups (p > 0.05). The overall mean pain score in tramadol group was 0.70 +/- 0.60 as compared to 0.75 +/- 0.67 for morphine group. The mean pain score for tramadol and morphine groups at 30 minutes, 4 hours, 24 hours and 48 hours post operation were 1.32 +/- 0.79, 104 +/- 0.79, 0.35 +/- 0.48, 0.09 +/- 0.33 and 1.35 +/- 0.99, 1.14 +/- 0.81, 0.40 +/- 0.54, 0.10 +/- 0.34 respectively. The overall mean sedation score in tramadol and morphine group was 0.39 +/- 0.44 as compared to 0.35 +/- 0.43 for morphine group. The mean sedation score for tramadol and morphine group at 30 minutes, 4 hours, 24 hours and 48 hours post operation were 0.90 +/- 0.74, 0.56 +/- 0.59, 0.075 +/- 0.27, 0.025 +/- 0.16 and 0.84 +/- 0.70, 0.46 +/- 0.64, 0.08 +/- 0.27, 0.01 +/- 0.11 respectively. There was no significant difference in the overall mean pain and sedation score between the two groups as well as for each duration assessed (p > 0.05). There were also no significant differences between the two groups with regard to the blood pressure and heart rate. The incidence of nausea, vomiting and pruritus were the same in the two groups. This study indicates that PCA tramadol is as equally effective as PCA morphine control following major surgery. The incidences of sedation, nausea or pruritus were the same in the two groups.

Matched MeSH terms: Analgesia, Patient-Controlled*
Fulltext The current practice of sedation and analgesia in intensive care units in Malaysian public hospitals

Ahmad N, Tan CC, Balan S

Med J Malaysia, 2007 Jun;62(2):122-6.
PMID: 18705443 MyJurnal

We sought to review the current practice of sedation and analgesia in intensive care units (ICUs) in Malaysian public hospitals. A questionnaire survey was designed and sent by mail to 40 public hospitals with ICU facility in Malaysia. The anaesthesiologists in charge of ICU were asked to complete the questionnaire. Thirty seven questionnaires were returned (92.5% response rate). Only 35% respondents routinely assess the degree of sedation. The Ramsay scale was used prevalently. A written protocol for sedation was available in only 14 centers (38%). Although 36 centers (95%) routinely adjust the degree of sedation according to patient's clinical progress, only 10 centers (14%) interrupt sedation on a daily basis. Most respondents agreed that the selection of agents for sedation depends on familiarity (97%), pharmacology (97%), the expected duration for sedation (92%), patient's clinical diagnosis (89%) and cost (73%). Midazolam (89%) and morphine (86%) were the most commonly used agents for sedation and analgesia, respectively. Only 14% respondents still frequently use neuromuscular blocking agents, mostly in head injury patients. Our survey showed similarity in the choice of sedative and analgesic agents in ICUs in Malaysian public hospitals comparable to international practice. Nevertheless, the standard of practice could still be improved by implementing the practice of sedation score assessment and daily interruption of sedative infusion as well as having a written protocol for sedation and analgesia.

Matched MeSH terms: Analgesia/methods*
Fulltext A Comparative Study of Dexmedetomidine and Propofol for Sedation in The Cardiothoracic Intensive Care Unit

Azrina, M.R., Saedah Ali, Mohd Nikman Ahmad, Nik Abdullah, N.M., Ziyadi Mohd Ghazali

International Medical Journal Malaysia, 2007;6(2):1-16.
MyJurnal

Introduction and Objectives: The intensive care unit (ICU) is an uncomfortable and stressful environment for patients. The use of adequate sedation and analgesia is important to reduce stress to patients. The aim of this study was to compare a relatively new sedative agent, dexmedetomidine to current sedative agent used, propofol in the provision of sedation and analgesia, their effects on haemodynamic and respiratory parameters and cost involved on post open heart surgery patients. Materials and Methods: A prospective, randomized single-blinded trial was conducted on post open heart surgery patients in the ICU of the Hospital Universiti Sains Malaysia (HUSM). Thirty two patients were randomized to dexmedetomidine or propofol groups. Analgesic requirement, haemodynamic and respiratory parameters, and extubation time were measured and compared. Mean rate of infusion to achieve adequate sedation were used to calculate the cost involved in the use of these two agents. Results: Patients sedated with dexmedetomidine required significantly lower dose of morphine compared to propofol [mean (sd): 12.80 (2.61) versus 15.86 (1.87) mg/kg/min, p=0.00]. Mean heart rate was also significantly lower in dexmedetomidine group compared to propofol group [mean (CI): 74.48 (70.38,78.59) versus 83.85 (79.61,88.09) per minutes, p=0.00]. However there were no significant differences in the other parameters between the two groups. Cost involved the use of dexmedetomidine was slightly higher compared to propofol (RM 9.57 versus RM8.94 per hour). Discussion and Conclusions: Dexmedetomidine is comparable to propofol in the provision of sedation, and its effect on haemodynamic and respiratory parameters. However it has added advantages in the provision of analgesia, and caused a significant reduction in heart rate. This is beneficial in these patients by reducing myocardial oxygen demand, and hence subsequent ischaemia and infarction. However, further larger studies are needed to evaluate the effect of dexmedetomidine on perioperative cardiac morbidity and mortality.

Matched MeSH terms: Analgesia
Fulltext Congenital Absence of the Posterior Arch of the Atlas â€“ A Strange but Benign Anomaly

Tan, E.C., Soon, H.C., Kevin, M., Se To, B.C.

Malays Orthop J, 2007;1(2):30-32.
MyJurnal

Congenital partial aplasia of the atlas with a posterior arch remnant is rare. It may be found as an incidental radiological finding or patients can present with neurological signs and symptoms after head or neck trauma. A 36-year-old female presented with a 3-day history of right sided neck pain radiating down the right arm. Radiographs of the cervical spine showed a radiolucent area in the region of the posterior arch of the atlas. Computed tomography subsequently revealed partial absence of the posterior arch of the atlas with a defect at the anterior ring. Her clinical condition subsequently improved with rest, analgesia and physiotherapy. This case report illustrates a situation where congenital defect of the posterior arch of the atlas was revealed in a patient with neck pain. Awareness of the existence of this condition will help clinicians avoid misdiagnosis and excessive investigations.

Matched MeSH terms: Analgesia
Fulltext Profound swim stress-induced analgesia with ketamine

Ahmad AH, Ismail Z, Than M, Ahmad A

Malays J Med Sci, 2008 Jan;15(1):13-22.
PMID: 22589610 MyJurnal

The potential of ketamine, an N-methyl D-aspartate (NMDA) receptor antagonist, in preventing central sensitization has led to numerous studies. Ketamine is increasingly used in the clinical setting to provide analgesia and prevent the development of central sensitization at subanaesthetic doses. However, few studies have looked into the potential of ketamine in combination with stress-induced analgesia. This study looks at the effects of swim stress, which is mediated by opioid receptor, on ketamine analgesia using formalin test. Morphine is used as the standard analgesic for comparison. Adult male Sprague-Dawley rats were assigned to 6 groups: 3 groups (stressed groups) were given saline 1ml/kg intraperitoneally (ip), morphine 10mg/kg ip or ketamine 5mg/kg ip and subjected to swim stress; 3 more groups (non-stressed groups) were given the same drugs without swim stress. Formalin test, which involved formalin injection as the pain stimulus and the pain score recorded over time, was performed on all rats ten minutes after cessation of swimming or 30 minutes after injection of drugs. Combination of swim stress and ketamine resulted in complete analgesia in the formalin test which was significantly different from ketamine alone (p<0.05) and saline with stress (p<0.01). There is no significant difference between ketamine stressed and morphine stressed. These results indicate that ketamine and swim stress act synergistically to produce profound analgesia in the formalin test. This suggests that in the clinical setting, under stressful situations such as operative stress, ketamine is capable of producing profound analgesia at a subanaesthetic dose.

Matched MeSH terms: Analgesia

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