scholarly journals Perbandingan Efek 10 Mg dengan 12,5 Mg Levobupivacain 0,5% Isobarik terhadap Onset, Durasi, dan Hemodinamik pada Spinal Anestesi untuk Seksio Sesarea

2020 ◽  
Vol 2 (2) ◽  
pp. 71-8
Author(s):  
Rachmad Ismail ◽  
Muh Ramli Ahmad ◽  
A. Muh. Takdir Musba
Keyword(s):  
Data Analysis ◽  
Side Effects ◽  
Cesarean Section ◽  
Spinal Anesthesia ◽  
Motor Block ◽  
Sensory Block ◽  
Hemodynamic Changes ◽  
Group Data ◽  
Significant Difference ◽  
Sensory Motor

Latar Belakang: Tujuan utama spinal anestesi pada seksio sesarea adalah meminimalkan efek samping pada ibu dan bayi baru lahir. Levobupivacain memiliki mekanisme aksi yang sama dengan anestesi lokal lainnya, akan tetapi memiliki efek toksik pada jantung dan saraf yang lebih kecil. Tujuan: Membandingkan onset/durasi blok sensorik, motorik serta hemodinamik antara 10 Mg dengan 12,5 Mg Levobupivacain 0,5% Isobarik + fentanyl 25 μg pada seksio sesarea dengan anestesi spinal.Metode: Sampel terdiri dari dua kelompok, kelompok pertama menerima 10 Mg Levobupivacain 0,5% Isobarik + fentanyl 25 μg dan kelompok kedua menerima 12,5 Mg Levobupivacain 0,5% Isobarik + fentanyl 25 μg dengan sampel masing-masing kelompok 23 orang. Analisis data menggunakan uji statistik uji T independen.Hasil: Onset blok sensorik lebih cepat pada kelompok 12,5 Mg Levobupivacain (2,30 menit) dibandingkan kelompok 10 Mg Levobupivacain (3,70 menit), hal ini secara statistik menunjukkan perbedaan yang signifikan. Durasi blok sensorik kelompok 12,5 Mg Levobupivacain (187,39 menit), durasi blok motorik (194,57 menit) lebih lama dibandingkan kelompok 10 Mg Levobupivacain durasi blok sensorik (153,48 menit) dan durasi blok motorik (157,83 menit). Tidak ada perbedaan yang signifikan pada perubahan hemodinamik untuk kedua kelompokSimpulan: Onset blok sensorik kelompok 12,5 Mg Levobupivacain lebih cepat dibandingkan kelompok 10 Mg Levobupivacain, durasi blok sensorik dan blok motorik kelompok 12,5 Mg Levobupivacain lebih lama dibandingkan kelompok 10 Mg Levobupivacain. Comparison Effects 10 Mg with 12.5 Mg Levobupivacain 0.5% Isobaric Against Onset, Duration, and Hemodynamics in Spinal Anesthesia of Caesarean Section Abstract Background: The main purpose of spinal anesthesia in cesarean section is to minimize side effects on the mother and newborn baby. Levobupivacaine has the same mechanism of action as other local anesthetics, but has a smaller toxic effect on the heart and nerves.Objective: Comparing the onset / duration of sensory, motor and hemodynamic blocks between 10 Mg and 12.5 Mg Levobupivacain 0.5% Isobaric + 25 μg fentanyl in cesarean section with spinal anesthesia.Methods: The sample consisted of two groups, the first group received 10 Mg Levobupivacain 0.5% Isobaric + fentanyl 25 μg and the second group received 12.5 Mg Levobupivacain 0.5% Isobaric + fentanyl 25 μg with a sample of 23 people each group. Data analysis using independent T test statistical tests.Results: Sensory block onset was faster in the 12.5 Mg Levobupivacain group (2.30 minutes) than the 10 Mg Levobupivacain group (3.70 minutes), this statistically showed a significant difference. The sensory block duration of the 12.5 Mg Levobupivacain group (187.39 minutes), the motor block duration (194.57 minutes) is longer than the 10 Mg Levobupivacain group the duration of the sensory block (153.48 minutes) and the duration of the motor block (157.83 minutes). There were no significant differences in hemodynamic changes for the two groups.Conclusion: The onset of the 12.5 Mg Levobupivacain sensory block was faster than the 10 Mg Levobupivacain group, the duration of the sensory block and motor block of the 12.5 Mg Levobupivacain group was longer than the 10 Mg Levobupivacain group

scholarly journals Dexmedetomidine as an adjuvant for single spinal anesthesia in patients undergoing cesarean section: a system review and meta-analysis

2020 ◽  
Vol 48 (5) ◽  
pp. 030006052091342
Author(s):  
Qi-hong Shen ◽  
Hui-fang Li ◽  
Xu-yan Zhou ◽  
Xiao-zong Yuan ◽  
Ya-ping Lu
Keyword(s):  
Cesarean Section ◽  
Spinal Anesthesia ◽  
Motor Block ◽  
Scientific Journal ◽  
Onset Time ◽  
Sensory Block ◽  
Cochrane Library ◽  
China National Knowledge Infrastructure ◽  
Significant Difference ◽  
The Impact

Objective Previous studies reported the effect of dexmedetomidine on intrathecal anesthesia. In this review, we explored the impact of dexmedetomidine as an adjunct for lumbar anesthesia in patients undergoing cesarean section. Methods Two authors searched eligible random controlled trials in electronic databases, including PubMed, Embase, Cochrane Library, Web of Science, China National Knowledge Infrastructure, the Chinese BioMedical database, Chinese Scientific Journal Database, and the Wanfang database. Results Ten trials comprising 970 patients were included in this review. Intrathecal dexmedetomidine significantly reduced the onset time of sensory block (standardized mean difference (SMD), −1.50, 95% confidence interval (CI) −2.15, −0.85, I2 = 92%) and motor block (SMD −0.77, 95% CI −1.50, −0.49, I2 = 60%) and prolonged the block duration time (sensory block: SMD 2.02, 95% CI 1.29, 2.74, I2 = 93%; motor block: SMD 1.90, 95% CI 1.07, 2.74, I2 = 94%). Patients who received dexmedetomidine showed a lower incidence of shivering. No significant difference was reported for the neonatal Apgar score and other complications. Conclusion The use of intrathecal dexmedetomidine during cesarean section can shorten the onset time of spinal anesthesia and enhance the effect of local anesthetic. It has no significant impact on neonates and there were no other adverse events.

scholarly journals Perbandingan Efektivitas Anestesi Spinal dengan Bupivacain 12,5 Mg dan Bupivacain 5 Mg yang ditambah Fentanyl 50 Mcg pada Seksio Sesarea

2021 ◽  
Vol 4 (1) ◽  
pp. 11-7
Author(s):  
Fritzky Indradata ◽  
Heri Dwi Purnomo ◽  
Muh. Husni Thamrin ◽  
Sugeng Budi Santoso ◽  
Ardana Tri Arianto ◽  
...  
Keyword(s):  
Side Effects ◽  
Cesarean Section ◽  
Spinal Anesthesia ◽  
Randomized Control Trial ◽  
Hyperbaric Bupivacaine ◽  
Chi Square ◽  
Double Blind ◽  
Duration Of Action ◽  
Significant Difference ◽  
Randomized Control

Latar Belakang: Anestesi spinal mempunyai efek samping berupa hipotensi dan mual muntah. Tujuan: penelitian ini adalah membandingkan efek anestesi spinal bupivacain dosis normal 12,5 mg dan bupivacain dosis rendah 5 mg dengan fentanyl 50 mg pada seksio sesarea terhadap perubahan hemodinamik, ketinggian blok, onset, durasi dan efek samping. Subjek dan Metode: Penelitian double blind randomized control trial pada 36 pasien yang memenuhi kriteria. Pasien dibagi menjadi dua kelompok, yang masing-masing terdiri 18 pasien, kelompok 1 dilakukan anestesi spinal dengan bupivacain hiperbarik 5 mg ditambah adjuvan fentanyl 50 mcg, sedangkan kelompok 2 diberikan bupivacain hiperbarik 12,5 mg. Penilaian meliputi saat mula kerja blokade sensorik, mula kerja blokade motorik, durasi, tekanan darah, laju nadi, dan saturasi oksigen, lama kerja dan efek samping. Data hasil penelitian diuji secara statistik dengan uji chi-square. Hasil: Terdapat perbedaan signifikan pada onset dan durasi blokade sensorik dan motorik, bupivacain 12,5 mg lebih baik dibandingkan bupivacain 5 mg + fentanyl 50 mcg (p<0.05). Tidak ada perbedaan signifikan pada perubahan tanda vital dan efek samping (p>0.05). Simpulan: Bupivacain 12,5 mg menghasilkan onset lebih cepat dan durasi lebih lama dibandingkan bupivacain 5 mg + fentanil 50 mcg pada anestesi spinal untuk seksio sesarea   Comparison of The Effectiveness Spinal Anesthesia with Bupivacaine 12,5 Mg and Bupivacaine 5 Mg added Fentanyl 50 Mcg in Caesarean Section Abstract Background: Spinal anesthesia has side effects such as hypotension and nausea and vomiting. Objective: The aim of this study was to compare the effects of spinal anesthesia with normal doses of 12,5 mg of bupivacaine and 5 mg of low-dose bupivacaine with fentanyl 50 mg in the cesarean section on hemodynamic changes, block height, onset, duration, and side effects. Subjects and Methods: Double-blind randomized control trial in 36 patients who met the criteria. Patients were divided into two groups, each consisting of 18 patients, group 1 underwent spinal anesthesia with 5 mg of hyperbaric bupivacaine plus 50 mcg of fentanyl adjuvant, while group 2 was given 12,5 mg of hyperbaric bupivacaine. Assessments include the initiation of sensory block action, onset of motor block action, duration, blood pressure, pulse rate, and oxygen saturation, duration of action, and side effects. The research data were statistically tested with the chi-square test. Results: There were significant differences in the onset and duration of sensory and motor blockade, bupivacaine 12,5 mg was better than bupivacaine 5 mg + fentanyl 50 mcg (p <0.05). There was no significant difference in changes in vital signs and side effects (p> 0.05). Conclusion: Bupivacaine 12,5 mg resulted in a faster onset and longer duration than bupivacaine 5 mg + fentanyl 50 mcg in spinal anesthesia for cesarean section.

scholarly journals Influence of Positioning on Plain Levobupivacaine Spinal Anesthesia in Cesarean Section

2010 ◽  
Vol 2010 ◽  
pp. 1-4 ◽  
Author(s):  
Fabio Gori ◽  
Francesco Corradetti ◽  
Vittorio Cerotto ◽  
Vito Aldo Peduto
Keyword(s):  
Cesarean Section ◽  
Spinal Anesthesia ◽  
Supine Position ◽  
Motor Block ◽  
Sensory Block ◽  
Sensory Level ◽  
Physical Status ◽  
Gravitational Forces ◽  
Block Level ◽  
Dermatomal Level

Background. The behaviour of isobaric levobupivacaine in relation to gravity when used in obstetric spinal anesthesia is unclear.Methods. 46 women with ASA physical status 1 undergoing cesarean section were randomly allocated to 2 groups. Spinal anesthesia with 12.5 mg levobupivacaine was performed in the sitting position in all women. Those in the first group were placed in the supine position immediately after the injection, while those in the second group were asked to remain seated for 2 minutes before assuming the supine position. The sensory block level, the onset of sensory and motor blocks, the regression of the sensory block for 2 dermatomes of the sensory block, the first request for analgesics, and the regression of motor block were recorded.Results. No differences in onset times, sensory level, or Bromage score were observed between the two groups. The time of first analgesic request was earlier in the seated group (supine131±42 min, seated106±29 min,P=.02).Conclusion. Isobaric levobupivacaine in women at term produces a subarachnoid block the dermatomal level of which does not depend on gravitational forces.

scholarly journals Comparison of effects of Bupivacaine and Ropivacaine in patients undergoing elective Caesarean section

2020 ◽  
Vol 4 (3) ◽  
pp. 859-863
Author(s):  
Sangeeta Subba ◽  
Arjun Arjun Chhetri ◽  
Rupak Bhattarai
Keyword(s):  
Cesarean Section ◽  
Spinal Anesthesia ◽  
Motor Block ◽  
Elective Caesarean Section ◽  
Sensory Block ◽  
Elective Cesarean Section ◽  
Hyperbaric Bupivacaine ◽  
Safe Alternative ◽  
Elective Cesarean ◽  
Group B

Introduction: Spinal anesthesia is considered a reasonable choice for cesarean section. Bupivacaine and ropivacaine have been used as intrathecal drugs alone or in combination with various opioids. Ropivacaine is considered a valid and safe alternative to bupivacaine for spinal anesthesia. Objectives: To compare the efficacy and safety of hyperbaric ropivacaine with hyperbaric bupivacaine in spinal anesthesia for elective cesarean section. Methodology: Sixty pregnant women undergoing elective cesarean section were allocated into two groups. Group R received 3 ml of 0.5% hyperbaric ropivacaine (2 ml 0.75% plain ropivacaine mixed with 1 ml of 25 %dextrose) and Group B received 2.5 ml of 0.5% hyperbaric bupivacaine. Both the groups were compared in terms of onset of sensory and motor block, regression of sensory and motor block, duration of analgesia and side effects. Results: The onset of sensory block was comparable in both groups but was statistically insignificant. The onset of motor block in Bupivacaine(7.53 ± 1.72) min was faster when compared to Ropivacaine group(14.33 ± 6.19) min. Regression of sensory and motor block both were faster in Ropivacaine group. Duration of analgesia was longer in Bupivacaine group(131.17 ± 32.95)min than Ropivacaine group(125.33 ± 30.54)min. Conclusion: Ropivacaine can be used as an alternative to Bupivacaine for spinal anesthesia in cesarean section but has a shorter duration of sensory and motor block.

Dose-Response Effects of Spinal Neostigmine Added to Bupivacaine Spinal Anesthesia in Volunteers 

1999 ◽  
Vol 90 (3) ◽  
pp. 710-717 ◽  
Author(s):  
Spencer S. Liu ◽  
Peter S. Hodgson ◽  
James M. Moore ◽  
Walter J. Trautman ◽  
Daniel L. Burkhead
Keyword(s):  
Side Effects ◽  
Spinal Anesthesia ◽  
Dose Response ◽  
Small Dose ◽  
Motor Block ◽  
Rank Correlation ◽  
Sensory Block ◽  
Ambulatory Anesthesia ◽  
Respiratory Parameters ◽  
Double Blinded

Background Intrathecal adjuncts often are used to enhance small-dose spinal bupivacaine for ambulatory anesthesia. Neostigmine is a novel spinal analgesic that could be a useful adjunct, but no data exist to assess the effects of neostigmine on small-dose bupivacaine spinal anesthesia. Methods Eighteen volunteers received two bupivacaine spinal anesthetics (7.5 mg) in a randomized, double-blinded, crossover design. Dextrose, 5% (1 ml), was added to one spinal infusion and 6.25, 12.5, or 50 microg neostigmine in dextrose, 5%, was added to the other spinal. Sensory block was assessed with pinprick; by the duration of tolerance to electric stimulation equivalent to surgical incision at the pubis, knee, and ankle; and by the duration of tolerance to thigh tourniquet. Motor block at the quadriceps was assessed with surface electromyography. Side effects (nausea, vomiting, pruritus, and sedation) were noted. Hemodynamic and respiratory parameters were recorded every 5 min. Dose-response relations were assessed with analysis of variance, paired t tests, or Spearman rank correlation. Results The addition of 50 microg neostigmine significantly increased the duration of sensory and motor block and the time until discharge criteria were achieved. The addition of neostigmine produced dose-dependent nausea (33-67%) and vomiting (17-50%). Neostigmine at these doses had no effect on hemodynamic or respiratory parameters. Conclusions The addition of 50 microg neostigmine prolonged the duration of sensory and motor block. However, high incidences of side effects and delayed recovery from anesthesia with the addition of 6.25 to 50 microg neostigmine may limit the clinical use of these doses for outpatient spinal anesthesia.

scholarly journals Addition of low-dose sufentanil to ropivacaine for reducing shivering and visceral traction pain during cesarean section

2021 ◽  
Vol 49 (5) ◽  
pp. 030006052110170
Author(s):  
Xiao-Rong Chen ◽  
Tao Gao ◽  
Yin Zhang ◽  
Ming-Qing Peng
Keyword(s):  
Cesarean Section ◽  
Spinal Anesthesia ◽  
Low Dose ◽  
Sensory Block ◽  
Controlled Study ◽  
Blood Oxygen Saturation ◽  
Time Duration ◽  
Significant Difference ◽  
Block Time ◽  
Time Motor

Objective To investigate the efficacy of low-dose sufentanil for preventing shivering and visceral traction pain during cesarean section under spinal anesthesia. Methods This was a prospective, randomized, controlled study. A total of 112 full-term parturients who underwent elective caesarean delivery were randomly divided into two groups. Group R received 0.75% isobaric ropivacaine intrathecally and group RS received 0.75% isobaric ropivacaine plus 5 µg sufentanil intrathecally. Results There were no significant differences in the maximum sensory block time, motor block time, duration of the surgery, and heart rate, mean arterial pressure, and blood oxygen saturation before and 1, 5, and 10 minutes after spinal anesthesia, and at the end of the surgery between the two groups. Shivering was significantly more common in group R (n = 30) than in group RS (n = 8). The incidence of visceral traction pain in group R (46.43%) was significantly higher than that in group RS (14.29%). There was no significant difference in the newborns’ Apgar scores between the groups. Conclusion Adding low-dose sufentanil to ropivacaine can significantly reduce the incidence of shivering and visceral traction pain after spinal anesthesia.

scholarly journals Comparative Study of Effect of Spinal Anesthesia in Sitting and Lateral Positions on the Onset Time of Sensory Block and Hemodynamic Condition in Cesarean Section: A Randomized Clinical Trial

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Nahid Manouchehrian ◽  
Abbas Moradi ◽  
Leyla Torkashvand
Keyword(s):  
Clinical Trial ◽  
Cesarean Section ◽  
Spinal Anesthesia ◽  
Motor Block ◽  
Onset Time ◽  
Sensory Block ◽  
Lateral Position ◽  
Sitting Position ◽  
Cesarean Sections ◽  
Position Group

Background: Spinal anesthesia is the method of choice for the cesarean section. Hypotension is a common complication of this method. Objectives: This study aimed to compare the effect of spinal anesthesia in the sitting and lateral positions on the onset time of sensory block and hemodynamic condition in cesarean sections. Methods: In this clinical trial, 106 elective cesarean section candidates under spinal anesthesia were selected and randomly divided into two groups: spinal anesthesia in the sitting position (group S) and the lateral position (group L). The onset time of the sensory block, quality of sensory and motor block, hemodynamic condition, frequency of hypotension, nausea, and vomiting, and the doses of ephedrine and atropine were compared between both groups. Data were analyzed with SPSS version 16 software at a 95% confidence level. Results: There was no statistically significant difference between the two groups in terms of age. The frequency of hypotension in L and S groups was 24.5% and 57.7%, respectively (P = 0.001), in minute 6 after spinal anesthesia and 5.7% and 36.5%, respectively (P < 0.001), in minute 8 after spinal anesthesia. The mean time to reach the sensory level of T6 was 1.30 ± 0.43 min versus 4.54 ± 2.12 min (P < 0.001), motor block score in minute 5 was 2.98 ± 0.14 versus 2.82 (P = 0.044), and ephedrine dose was 11.5 mg and 16.92 mg in the L and S groups, respectively (P = 0.010). The maximum sensory-motor block and satisfaction of women with spinal anesthesia were significantly higher in the lateral position than in the sitting position (P < 0.05). Conclusions: Cesarean sections under spinal anesthesia in the lateral position than in the sitting position lead to a more rapid sensory and motor block, reduced ephedrine consumption, and enhanced satisfaction of women.

scholarly journals The Effects on Sensorial Block, Motor Block, and Haemodynamics of Levobupivacaine at Different Temperatures Applied in the Subarachnoid Space

2014 ◽  
Vol 2014 ◽  
pp. 1-7
Author(s):  
Bahittin Nazli ◽  
Huseyin Oguzalp ◽  
Eyup Horasanli ◽  
Mehmet Gamli ◽  
Beyazit Dikmen ◽  
...  
Keyword(s):  
Side Effects ◽  
Motor Block ◽  
Room Temperature ◽  
Demographic Data ◽  
Sensory Block ◽  
Group I ◽  
Significant Difference ◽  
Different Temperatures ◽  
Group Ii ◽  
Transurethral Prostate Resection

Aim. To evaluate the effects of 0.5% levobupivacaine at 37°C preheated from room temperature, on sensorial block, motor block, and haemodynamics in patients undergoing transurethral prostate resection (TUR-P).Material and Method. The patients were randomly allocated to two groups: Group I patients were injected with 3 mL 0.5% levobupivacaine solution which had been kept at room temperature for at least 24 hours and Group II patients were injected with 3 mL 0.5% levobupivacaine solution which had been kept at 37°C for at least 24 hours. The patients were examined in terms of sensorial block, motor block, haemodynamic profile, and incidence of side effects.Results. No significant difference was found between the groups in terms of demographic data. The time to reachT10sensory block and the time of starting motor block were found to be significantly shorter in Group II . The duration of sensory block overT10andT6, the duration ofL1regression, the duration of the sensory block, and the regression time of the motor blocks from 3 to 2 were found to be longer in Group II.Conclusion. The use of 0.5% levobupivacaine spinal anaesthesia heated to 37°C accelerated the start of sensory and motor block.

scholarly journals Evaluation of adjunctive analgesia with intrathecal fentanyl along with hyperbaric bupivacaine in spinal anesthesia for elective cesarean section

2020 ◽  
Vol 8 (8) ◽  
pp. 2924
Author(s):  
Ranu Neelamchand Surana ◽  
Trishala Jain
Keyword(s):  
Side Effects ◽  
Cesarean Section ◽  
Spinal Anesthesia ◽  
Analgesic Efficacy ◽  
Sensory Block ◽  
Elective Cesarean Section ◽  
P Value ◽  
Hyperbaric Bupivacaine ◽  
Analgesic Requirement ◽  
Elective Cesarean

Background: Cesarean section (CS) is one of the most common surgical procedures in female patients. Authors aimed to evaluate the postoperative analgesic efficacy of adding intrathecal fentanyl to bupivacaine, and its effect on the onset and duration of spinal anesthesia along with its effect on mother and neonate.Methods: Study was performed on 60 cesarean section parturients divided into two groups. Group F received 2 ml of 0.5% hyperbaric bupivacaine (10 mg) plus 0.4 ml fentanyl (20 µg), and Group B received 2 ml of 0.5% hyperbaric bupivacaine (10 mg) plus 0.4 ml of normal saline. The parameters taken into consideration were pain scores, analgesic requirement, hemodynamic stability and side effects.Results: It was found that duration of sensory block was prolonged in fentanyl group (111 minutes vs 86 minutes, p<0.001). Duration of effective analgesia (174.36 minutes vs 127.81; p value <0.001) were also found to be prolonged in Group F with requirement of fewer postoperative analgesics (1.02 vs 2.76, p=0.03). There was not much difference in the occurrence of side effects in both the groups.Conclusions: Addition of fentanyl to intrathecal bupivacaine for cesarean section increases the duration of postoperative analgesia without increasing maternal or neonatal side effects.

scholarly journals A comparative evaluation of effect of intravenous premedication with ondansetron versus granisetron on hemodynamics and sensory-motor blockade produced by intrathecal hyperbaric 0.5% bupivacaine

2019 ◽  
Vol 7 (5) ◽  
pp. 1886
Author(s):  
Abhishake Kumar ◽  
Umar Inayat ◽  
Bhawana Rastogi ◽  
Kumkum Gupta ◽  
Manish Jain ◽  
...  
Keyword(s):  
Spinal Anaesthesia ◽  
Antinociceptive Effect ◽  
Sensory Block ◽  
Control Group ◽  
P Value ◽  
Hemodynamic Changes ◽  
Significant Difference ◽  
Sensory Motor ◽  
To Receive ◽  
Motor Onset

Background: Bezold Jarisch reflex is important cause of hypotension and bradycardia which occur after spinal anaesthesia. This reflex is elicited by stimulation of peripheral serotonin receptors 5- hydroxytryptamine (5- HT3 type). These receptors have antinociceptive effect, which is confirmed by many studies.The two most commonly used 5HT3 antagonist are ondansetron and granisetrone. Very few comparative studies of the two drugs on the effect after spinal anaesthesia are available.Methods: Ninety adulted patients of either sex aged 18-58 years scheduled for elective infraumbilical surgeries were randomly allocated in three groups to receive intravenous ondansetron 4mg, granisetrone 2mg or normal saline in equal volume 5mins before spinal anesthesia. Hemodynamic changes and time to sensory motor onset and regression were evaluated.Results: There was statistically significant difference in fall of systolic diastolic and mean blood pressure among the three groups. Time to two segment regression of sensory block and time to regression to S1 was faster in ondansentron (76.6±17.2mins, 176±22mins) and granisetrone group (69±17.3mins, 165±19.2mins) in comparision to control group(77.4±24.3mins, 178±21mins) which was statistically significant also p value-0.019, 0.0001 respectively.Conclusions: The prophylactic therapy with 4mg i.v. ondansetron, given five minutes before spinal anaesthesia appears to be significantly most effective and safe for attenuating haemodynamic response after spinal anaesthesia without affecting the duration of sensory block in patients undergoing infraumbilical surgeries.

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