Comparative study between isobaric levobupivacaine and isobaric chlorprocaine in patients undergoing ambulatory surgeries under spinal anesthesia

2021 ◽  
Vol 20 (1) ◽  
pp. 10-14
Author(s):  
Abhishek R ◽  
Keyword(s):  
Blood Pressure ◽  
Adverse Effects ◽  
Spinal Anesthesia ◽  
Local Anesthetic ◽  
Motor Block ◽  
Surgical Techniques ◽  
Early Recovery ◽  
Anesthetic Drugs ◽  
Group A ◽  
Group B

Background: With development of safer local anesthetic agents and advances in minimally invasive surgical techniques, the performance of day care surgeries are increasing in prevalence. Many local anesthetic drugs with varying concentrations and physical properties are used in spinal anesthesia to achieve early recovery, mobilization with minimal adverse effects. In the present study we are comparing the efficacy of Isobaric 0.5% Levobupivacaine with isobaric 1% 2-chlorprocaine in patients undergoing ambulatory surgeries under spinal anesthesia. Material and Methods: Sixty patients aged 18 to 60 years belonging to ASA physical status I-II, scheduled for various elective ambulatory surgeries under spinal anesthesia were randomized into two groups. Group A patients received 3ml of 0.5% Levobupivacaine and Group B received 4ml of 1% chlorprocaine. The time of onset, duration of sensory and motor block, hemodynamic changes and adverse effects were studied. Results: The time of onset of sensory block and motor block was significantly shorter (p<0.001) in Group B compared to Group A. Similarly, the duration of sensory and motor block in Group B was shorter (p<0.001). Intraoperative hemodynamic parameters including heart rate, systolic blood pressure and diastolic blood pressure were comparable in both groups. Conclusion: Intrathecal isobaric 1% 2- chloroprocaine has a shorter onset and duration of both Sensory and motor blockade compared to Isobaric 0.5% Levobupivacaine thereby, enabling early recovery and ambulation

Minidose Bupivacaine–Fentanyl Spinal Anesthesia for Surgical Repair of Hip Fracture in the Aged

2000 ◽  
Vol 92 (1) ◽  
pp. 6-6 ◽  
Author(s):  
Bruce Ben-David ◽  
Roman Frankel ◽  
Tatianna Arzumonov ◽  
Yuri Marchevsky ◽  
Gershon Volpin
Keyword(s):  
Blood Pressure ◽  
Hip Fracture ◽  
Spinal Anesthesia ◽  
Surgical Repair ◽  
Systolic Pressure ◽  
The Elderly ◽  
Vasopressor Support ◽  
Group A ◽  
Blood Pressures ◽  
Group B

Background Spinal anesthesia for surgical repair of hip fracture in the elderly is associated with a high incidence of hypotension. The synergism between intrathecal opioids and local anesthetics may make it possible to achieve reliable spinal anesthesia with minimal hypotension using a minidose of local anesthetic. Methods Twenty patients aged &gt; or = 70 yr undergoing surgical repair of hip fracture were randomized into two groups of 10 patients each. Group A received a spinal anesthetic of bupivacaine 4 mg plus fentanyl 20 microg, and group B received 10 mg bupivacaine. Hypotension was defined as a systolic pressure of &lt; 90 mmHg or a 25% decrease in mean arterial pressure from baseline. Hypotension was treated with intravenous ephedrine boluses 5-10 mg up to a maximum 50 mg, and thereafter by phenylephrine boluses of 100-200 microg. Results All patients had satisfactory anesthesia. One of 10 patients in group A required ephedrine, a single dose of 5 mg. Nine of 10 patients in group B required vasopressor support of blood pressure. Group B patients required an average of 35 mg ephedrine, and two patients required phenylephrine. The lowest recorded systolic, diastolic, and mean blood pressures as fractions of the baseline pressures were, respectively, 81%, 84%, and 85% versus 64%, 69%, and 64% for group A versus group B. Conclusions A "minidose" of 4 mg bupivacaine in combination with 20 microg fentanyl provides spinal anesthesia for surgical repair of hip fracture in the elderly. The minidose combination caused dramatically less hypotension than 10 mg bupivacaine and nearly eliminated the need for vasopressor support of blood pressure.

scholarly journals EFFICACY OF PHENYLEPHRINE OVER EPHEDRINE IN CONTROLLING FALL OF BLOOD PRESSURE: A CROSS SECTIONAL STUDY IN PATIENTS UNDERGOING LOWER SEGMENT CAESAREAN SECTION

2020 ◽  
Vol 4 (7) ◽  
Author(s):  
Keshav Saran Agrawal ◽  
Aruna Mahanta
Keyword(s):  
Blood Pressure ◽  
Spinal Anesthesia ◽  
Cross Sectional Study ◽  
Age Group ◽  
Lower Segment ◽  
Cross Sectional ◽  
Lower Segment Caesarean Section ◽  
Block Level ◽  
Group A ◽  
Group B

Background: most of the lower segment caesarean sections are done under spinal anesthesia and in more that 80% of the cases, maternal fall in blood pressure can be observed intraoperatively. Throughout history many vasopressor drugs have been evaluated for the treatment. Aim: our research was conducted to compare the effect of phenylephrine with ephedrine given for the prophylaxis of prevention of intraoperative fall in blood pressure in females who are undergoing LSCS. Materials and Methods: a total of 100 cases were considered for our study and were randomly distributed in two groups. Group A cases were administered Phenylephrine while ephedrine was given to group B cases just after spinal anesthesia. Results: most of our study subjects were in the age group of 21-25 years who were in the range of 51-55 kgs. Spinal anesthesia was given by using bupivacaine & block level was checked at 2 & 5 mins. Phenylephrine was found to be superior in control of fall in blood pressure as more than 90% of the cases were brought back to their preoperative levels in less than 4 mins after spinal anesthesia. Whereas in group B, ephedrine took much more time of around 10 mins for control of BP. Conclusion: with proper monitoring of heart rate, phenylephrine is superior to ephedrine in controlling the fall in blood pressure. Keywords: Ephedrine, Phenylephrine, Hypotension, Bradycardia.

scholarly journals Comparison of two different doses dexmedetomidine as an adjuvant to bupivacaine in sub-arachnoid block for abdominal hysterectomies. A randomized double blinded study.

2017 ◽  
Vol 8 (2) ◽  
pp. 59-63
Author(s):  
R Krishna Prabhu ◽  
A Radhakrishnan
Keyword(s):  
Blood Pressure ◽  
Heart Rate ◽  
Pain Relief ◽  
Blood Loss ◽  
Motor Block ◽  
Sensory Block ◽  
Abdominal Hysterectomy ◽  
Group A ◽  
Group B ◽  
Different Doses

Background: Abdominal hysterectomy is often a long duration procedure and warrants intense pain relief in the post-operative period. Dexmedetomidine when added to bupivacaine in subarachnoid block prolongs the duration of surgical anaesthesia, decreases blood loss and prolongs duration of post-operative pain relief. Aims and Objective: To compare two different doses dexmedetomidine as an adjuvant to bupivacaine in sub-arachnoid block in abdominal hysterectomy surgeries. Materials and Methods: 60 patients of age group 30-60 years posted for elective abdominal hysterectomies under American Society of Anaesthesiologists (ASA) physical classification I or II were randomly allocated into 2 groups of 30 each. Group A received 5 micrograms (μg) of dexmedetomidine along with 3.5 ml of 0.5% bupivacaine in sub-arachnoid block. Group B received 10 μg of dexmedetomidine along with 3.5 ml of 0.5% bupivacaine in sub-arachnoid block. Changes in blood pressure, heart rate, respiratory rate, oxygen saturation, ephedrine consumption, blood loss, duration of sensory block, duration of motor block, duration of analgesia were compared between two groups. Results: There was no significant difference in change in heart rate, respiratory rate, oxygen saturation, duration of sensory block, duration of motor block between two groups. Patients in group B had significant decrease in blood pressure, blood loss and significant increase in ephedrine consumption compared to Group A. The duration of analgesia was also prolonged in group B compared to Group A. Conclusion: Dexmedetomidine in dose of 10 μg is a better adjuvant to bupivacaine for abdominal hysterectomy surgeries.Asian Journal of Medical Sciences Vol.8(2) 2017 59-63

scholarly journals Isobaric levobupivacaine a better and safer substitute for spinal anaesthesia in patients undergoing prolonged lower abdominal and lower limb surgeries

2018 ◽  
Vol 6 (9) ◽  
pp. 3111
Author(s):  
Wasimul Hoda ◽  
Abhishek Kumar ◽  
Priodarshi Roychoudhury
Keyword(s):  
Spinal Anesthesia ◽  
Spinal Anaesthesia ◽  
Lower Limb ◽  
Motor Block ◽  
Sensory Block ◽  
Double Blind Study ◽  
Double Blind ◽  
Sensory Blockade ◽  
Group A ◽  
Group B

Background: Bupivacaine being the drug of choice for spinal anaesthesia is associated with serious cardiac toxicity. Levobupivacaine and ropivacaine, both being the two S enantiomers of bupivacaine can be a safer alternatives with better cardiovascular safety. Hence, the clinical efficacy of both were assessed and compared in patients undergoing spinal anesthesia.Methods: A prospective randomized controlled double blind study was done in 68 adult posted for elective lower abdominal and lower limb surgeries under spinal anesthesia. They were randomized into 2 groups. About 3ml isobaric levobupivacaine 0.5% (15mg) was given in group A and 3ml isobaric ropivacaine 0.5% (15mg) was given in group B. Onset, duration of sensory and motor blocks, time for maximum sensory and motor block, time for 2 segment sensory regression and haemodynamic parameters were recorded and analyzed.Results: All patients achieved a sensory block of T10 dermatome. Onset of sensory blockade at T10 was similar in both groups, group A (5.71±1.31min) and group B (5.94±1.72min). Time from injection to two dermatomal regression was 129.68±15.54min in group A and 111.38±22.35min in group B. Onset of Bromage score of 1 in group A was 4.68±1.27min and in group B was 6.44±1.64min. The mean duration of motor and complete motor block was prolonged in group A patients (197.74±18.51min, 168.82±17.90 min) as compared to group B (131.88±20.41min, 106.71±10.85min).Conclusions: Isobaric levobupivacaine was found to be a better and safer substitute for spinal anesthesia in patients undergoing prolonged lower abdominal and lower limb surgeries.

scholarly journals A randomized double blind study to compare 1% 2-chloroprocaine and 0.5% hyperbaric bupivacaine in spinal anesthesia for infra-umbilical surgeries

2019 ◽  
pp. 162-167
Author(s):  
Arvind Khare ◽  
Beena Thada ◽  
Devraj Yadav
Keyword(s):  
Spinal Anesthesia ◽  
Motor Block ◽  
Sensory Block ◽  
Double Blind Study ◽  
Hemodynamic Parameters ◽  
Hyperbaric Bupivacaine ◽  
Double Blind ◽  
Voiding Function ◽  
Group A ◽  
Group B

Background: Spinal anesthesia is a reliable and safe technique for infra-umbilical surgeries. Preservative-free 2-chloroprocaine has re-emerged for use in spinal anesthesia. We compared onset and duration of sensory block with intrathecal use of 1% 2-chloroprocaine (30 mg) or 0.5% Hyperbaric Bupivacaine (15 mg) as primary objective. Secondary objectives being onset and duration of motor block, duration of analgesia, time to return of voiding function, hemodynamic parameters and side effects.Methodology: 90 patients of age group 18-60 years, either sex, belonging to ASA physical status I/II undergoing infra-umbilical surgeries were randomly divided into two groups, 1% 2-chloroprocaine Group A (n=45) and 0.5% hyperbaric bupivacaine Group B (n=45). Each group received intrathecally either 30 mg of 2-chloroprocaine or 15 mg of hyperbaric bupivacaine 15 mg. For statistical analysis unpaired-t-test and chi-square test were used.Results: Earlier onset and shorter duration of sensory block were observed in Group A as compared to Group B respectively (p < 0.001). Similarly, onset was earlier and duration of motor block, duration of analgesia and time to return of voiding function were shorter in Group A as compared to Group B respectively (p < 0.001). Hemodynamic parameters (HR, MAP) were comparable in both groups.Conclusion: Intrathecal 1% 2-chloroprocaine 30 mg provides spinal anesthesia of adequate duration for infra-umbilical surgeries with the advantage of earlier onset and faster regression of spinal block resulting in earlier voiding with stable hemodynamics as compared to 0.5% hyperbaric bupivacaine 15 mg.Citation: Khare A, Thada B, Yadav D, Mathur V, Singh M. A randomized double blind study to compare 1% 2-chloroprocaine and 0.5% hyperbaric bupivacaine in spinal anesthesia for infra-umbilical surgeries. Anaesth. pain & intensive care 2019;23(2):162-167

scholarly journals Clinical Comparative Study of Effect of Two Different Doses of Phenylephrine on Spinal Induced Hypotension during Cesarean Section

2021 ◽  
pp. 482-489
Author(s):  
S. Hiruthick ◽  
K. V. L. Sanjana
Keyword(s):  
Blood Pressure ◽  
Cesarean Section ◽  
Spinal Anesthesia ◽  
Prospective Observational Study ◽  
Bolus Dose ◽  
Systolic Pressure ◽  
Induced Hypotension ◽  
Group A ◽  
Group B ◽  
Different Doses

Background and Aims: During Cesarean section, hypotension occurs in the most of parturients, following spinal anesthesia. This prospective observational study was undertaken to determine the efficacy of two different Bolus Doses of Phenylephrine for Prevention of Spinal-Induced Hypotension during Cesarean Section. Materials and Methods: A total of 120 parturients undergoing cesarean section were divided into two groups of group A and group B with sixty in each group. Group A received phenylephrine 75 mcg IV bolus, while Group B received phenylephrine 100 mcg IV bolus, immediately after giving spinal anesthesia. For the next 20 minutes, systolic blood pressure (SBP), diastolic blood pressure (DSP), mean arterial pressure (MAP), and heart rate (HR) were recorded every 2 minutes, and APGAR scores at 1 and 5 minutes were recorded. Results: There was no difference between the two groups in terms of preventing hypotension, with 16.6% in Group A and 16.6% in Group B. In the first 2–6 minutes, however, the rise in systolic pressure in Group B was higher than in Group A. Group B (46.66 %) had a higher rate of bradycardia than Group A (25 %). Conclusion: Both phenylephrine dosages were equally effective in preventing hypotension following spinal anesthesia. However, Prophylactic bolus dose of phenylephrine 75 mcg was found to be effective for the management of spinal-induced hypotension and should be preferred over 100 mcg which causes significant bradycardia and reactive hypertension.

scholarly journals Haemodynamic Effects and Complications of Unilateral Spinal versus Standard Spinal Anesthesia in Elderly with Low Ejection Fraction Undergone Lower-Limb Surgery

2017 ◽  
Vol 5 (1) ◽  
pp. 20-24
Author(s):  
Md Mushfiqur Rahman ◽  
Md Mahbubul Hasan Munir ◽  
Raihanuddin ◽  
Shafiul Alam Shaheen ◽  
Md Abdus Salam Khan ◽  
...  
Keyword(s):  
Spinal Anesthesia ◽  
Spinal Anaesthesia ◽  
Lower Limb ◽  
Motor Block ◽  
Sympathetic Block ◽  
Hyperbaric Bupivacaine ◽  
Unilateral Spinal Anesthesia ◽  
Lower Limb Surgery ◽  
Group A ◽  
Group B

Background: Cardiovascular system may be profoundly affected by spinal anaesthesia due to unavoidable sympathetic blockade which is more prominent in elderly.A restricted sympathetic block during spinal anesthesia may minimize hemodynamic changes.Objective: To assess whether a unilateral spinal anaesthesia using 0.5% hyperbaric bupivacaine will restrict the sympathetic block to avoid the undesired cardio vascular effects.Materials and method: In this prospective study 60 ASA Ill and IV patients aged between 60-90 years undergoing unilateral lower limb surgery were included. Patients were divided into two groups. In group-A, dural puncture was performed with the patient in the lateral decubitus position with 1.5 mL of hyperbaric bupivacaine. In group-B, it was performed with the patient in a seated position using 1.5 mL hyperbaric bupivacaine. Each patient was then placed in supine position. The speed of injection was 1 mL/30s. Patients were placed in the lateral position with operated side down and kept in this position for 10 minutes. Motor and sensory levels were assessed, and haemodynamic alterations were monitored just after block, 5, 10, 15 and 30 minutes of spinal anaesthesia.Results: The demographic data were found similar in both groups. The time to the onset of the sensory and motor block was significantly shorter in group-B. The duration of motor and sensory block was significantly shorter in group-A. Haemodynamically all the parameters revealed better out come in unilateral spinal anesthesia. The incidence of complications (nausea, headache, and hypotension) was also lower in group A.Conclusion: When unilateral spinal anesthesia was performed using a low-dose, low-volume and low-flow injection technique, it provides adequate sensory-motor block and helps to achieve stable hemodynamic parameters during surgery on a lower limb. Furthermore, this technique avoids unnecessary paralysis on the non-operated side.Delta Med Col J. Jan 2017 5(1): 20-24

Comparison Between The Effects Of Bupivacaine And Levobupivacaine For Spinal Anesthesia On Qt Dispersion

2021 ◽  
Vol 21 ◽  
Author(s):  
Veli Fahri Pehlivan ◽  
Murat Akçay ◽  
Özlem Cuvaş İkeda ◽  
Nermin Göğüş
Keyword(s):  
Blood Pressure ◽  
Spinal Anesthesia ◽  
Qt Dispersion ◽  
Spinal Block ◽  
Hernia Surgery ◽  
Anesthetic Drugs ◽  
Inguinal Hernia Surgery ◽  
Group I ◽  
Scale Levels ◽  
Group A

Background: Bupivacaine and Levobupivacaine are frequently used local anesthetic drugs in spinal anesthesia practice. Both agents have arrhythmic effects on the heart. However, there is no clear information about which agent is more arrhythmogenic. Objective: The aim of this article is to investigate the effects of bupivacaine and its S (-)-enantiomer, levobupivacaine, on cardiac arrhythmias in patients. Methods: The study included 40 patients scheduled for inguinal hernia surgery. Patients were randomly divided into the following two groups using a sealed envelope method: Group I, the bupivacaine group (n = 20); and Group II, the levobupivacaine group (n = 20). The QT values were taken preoperatively and during the 10th of the spinal block, the 10th of the surgical incision, and the 10th postoperative minute. Additionally, systolic blood pressure (SBP), diastolic blood pressure (DBP), mean arterial pressure (MAP), oxygen saturation (SO2), and heart rate (HR) values, in addition to motor block (Bromage scale) levels and durations, were recorded for each patient. Results: HR values measured at 10 min after spinal block were significantly higher than the baseline values in the levobupivacaine group (p < 0.05). The corrected QT interval (QTc) values increased significantly at 10 minute after spinal block and at 10 min postoperatively in the bupivacaine group (p < 0.05). QTd and QTcd measurements were taken at the 10th minute of spinal anesthesia, the 10th minute of the incision, and the 10th minute postoperatively. When compared to the levobupivacaine group, a statistically significant increase was found in the bupivacaine group (p < 0.05). Conclusion: Levobupivacaine allows greater hemodynamic stability, while bupivacaine affects QTc and QTd measurement times more. As such, we believe that levobupivacaine may be a better alternative to bupivacaine during clinical practice, particularly in patients with cardiac problems.

scholarly journals HYPOTENSION AFTER SPINAL ANAESTHESIA;

2013 ◽  
Vol 20 (05) ◽  
pp. 825-831
Author(s):  
AIJAZ ALI ◽  
SHMYLA HAMID ◽  
RAJA MUSHTAQ HUSSAIN, ◽  
M. Rashid Iqbal, ◽  
Raza Ali Abidi
Keyword(s):  
Blood Pressure ◽  
Single Dose ◽  
Mean Arterial Pressure ◽  
Arterial Pressure ◽  
Spinal Anesthesia ◽  
Spinal Anaesthesia ◽  
Elective Cesarean Section ◽  
Military Hospital ◽  
Group A ◽  
Group B

Objective: Aim of the study is to compare the efficacy of Ephedrine and Phenylephrine for treatment of hypotension afterspinal anaesthesia for elective caesarean section. Study design: Randomized Clinical Trial. Setting: Operation theatre Department ofAnaesthesiology, Combined Military Hospital Quetta. Duration of study: Six month from 16th Sep 2011 to 15th March 2012. Materialand Method: Seventy women undergoing LSCS for singleton pregnancy under spinal anesthesia were randomly assigned in group A andB (35 in each group). All patients preloaded with Lactated Ringer’s solution 15ml/kg body weight 10 minutes before administration ofspinal anaesthesia. Mean Arterial Pressure (MAP) was recorded before administration of spinal anaesthesia considered as Base-lineMAP and then at 1 Minute, 3 minutes & at 5 minutes after administration of spinal anaesthesia. When hypotension developed (MAP falls>20% from base line), intravenous single dose of ephedrine administered in group A patients, while in group B, Phenylephrine was given.Blood pressure was recorded after 1 minute following drug administration and up to 3 minutes at 1 minute interval. Patient handed over forprocedure after 10 minutes of spinal block. The SPSS version 13 was applied to the data. Mean and standard deviation were computed fornumerical variables like age, weight, height, systolic blood pressure, Diastolic blood pressure, and Mean Arterial pressure; whereasfrequency and percentages were employed to assess the categorical variable like efficacy. Chi-square test was used to compare theefficacy of intravenous bolus of ephedrine and phenylephrine. Statistical significance was taken at p<0.05. Results: There wassignificant difference in the efficacy of both the drugs, in the treatment of maternal hypotension. 74.29% were successfully treated ingroup “A” with a single dose of Ephedrine, as compared to group B where 51.43% were successfully treated with a single dose ofPhenylephrine. (p-value = 0.048). Conclusions: Intravenous ephedrine has more efficacy than phenylephrine in the treatment ofmaternal hypotension after spinal anesthesia for elective cesarean section.

scholarly journals Effect of Low Concentration Isoflurane with Thiopental Sodium for Craniotomies of Intracranial Space Occupying Lesion

2009 ◽  
Vol 21 (1) ◽  
pp. 21-28
Author(s):  
Md Rafayet Ullah Siddique ◽  
Md Mustafa Kamal ◽  
Nezamuddin Ahmed ◽  
Lutful Aziz ◽  
KM Iqbal
Keyword(s):  
Blood Pressure ◽  
Low Dose ◽  
Minimal Risk ◽  
Hemodynamic Variable ◽  
Early Recovery ◽  
Hemodynamic Stability ◽  
Induction Dose ◽  
Group A ◽  
Thiopental Sodium ◽  
Group B

The primary objective of anaesthesia is to facilitate surgery at minimal risk to the patient and to ensure safe optimal recovery following the procedure. The minimal risk to the neurosurgical patient can be achieved with meticulous attention to the detail of intraoperative systemic and brain homeostasis. Safe early recovery from craniotomy necessitates an anaesthetic technique pharmacology adequate to permit early awakening. The present study was designed to observe the effect of different anaesthetic technique that permits early recovery and hemodynamic stability. A total number of thirty patients both male and female age range 18 to 60 yrs having ASA grade-I & II and were randomly selected. They were equally divided into two groups. Group A received TPS infusion and group B received isoflurane inhalation with low dose of TPS infusion. Other drugs remained same for both group. Group A Received induction dose of TPS 4 - 5 mg/kg, maintained by TPS (4 - 5 mg/kg/h infusion), fentanyl (3 mgm/kg bolus, 1 - 2 mgm/ kg/h infusion), oxygen/N2O mixture FiO2 being 0.3. Group B- Received induction dose of TPS 4 - 5 mg/kg and maintained by isoflurane 0.5%, oxygen/ N2O mixture FiO2 being 0.3, fentanyl (3 mgm/kg bolus, 1 - 2 mgm/kg/h infusion), and low dose TPS (1 - 2 mg/kg/h) infusion. In all patients induction was done with TPS 4 - 5 mg/kg and vecuronium (0.1 mg/kg) was used for tracheal intubation, muscle relaxation was maintained by vecuronium 0.01 mg/kg intermittently. Both groups received midazolam (0.1 mg/kg), lignocaine 1.5 mg/kg 2 minutes before induction. Both groups received frusemide 1 mg/ kg just after induction and mannitol 1 gm/kg when scalp incision was given. Anaesthetic procedure was performed with monitoring of hemodynamic variable pulse, blood pressure, SPO2, ETCO2, temperature, urine output. Hemodynamic variable pulse, blood pressure were measure before induction, at intubation, every 15 min. interval and before extubation. Data were analyzed by paired and unpaired student's t-test as appropriate using SPSS software. Hemodynamic response to intubation does not differ significantly between the two groups. But it was observed that at intubation in both groups the pulse and mean arterial blood pressure was raised in compare to baseline, which gradually came down as anaesthetic depth increased and then remained stable all through the procedure. Recovery was evaluated using Aldrete score. Total score significantly differ between two groups up to 30 min after extubation. Group A showed delay recovery up to 30 min in compare to group B. But after 30 min there was no significant difference in scoring between two groups. Total cost of main anaesthetic agent used significantly lower in group A. This study showed that the total infusion of TPS technique was as equally effective as using low concentration of isoflurane with conjunction of low dose TPS regarding perioperative hemodynamic stability. But the cost was minimal in thiopental sodium infusion group with the expense of a little bit delayed recovery.   Journal of BSA, Vol. 21, No. 1, January 2008 21-28  

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