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It is aimed in this study to compare the effect of changing the interval time for programmed auto boluses of local anaesthetics on the total anesthetic consumption and quality of labor analgesia with dural puncture epidural technique.
This study will be conducted as a prospective randomized, controlled, double-blind trial following the approval of the ethical committee at Atatürk University Medical Faculty Hospital and after obtaining written consent from the participating patients. The study will include pregnant women aged 20 to 45 with American Society of Anesthesiologists (ASA) II classification, full-term, nulliparous and singleton pregnancies. Using a randomisation procedure, the participants will be allocated into two equal groups: Group I and Group II.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| 30-Min Interval | Active Comparator | The patients will be given 10 ml of a solution containing 0,1% of bupivacaine and 2 mcg/ml fentanyl through the epidural cathether. Level of sensory block will be tested by testing with ice from S2 dermatome cephally. Analgesia will be maintained by programmed intermittant epidural (PIE) boluses of 7,5 ml of 0,0625% of bupivacaine and 2 mcg/ml fentanyl every 30 minutes, starting 1 hour after the loading dose. In addition, patient controlled epidural analgesia (PCEA) will be programmed so that 8 ml of the same solution with a lock-time of 15 minutes may be administered. "Breakthrough pain" that requires even further analgesia will be treated with an epidural bolus of 10 ml of 0,1% bupivacain solution. |
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| 60-Min Interval | Active Comparator | The patients will be given 10 ml of a solution containing 0,1% of bupivacaine and 2 mcg/ml fentanyl through the epidural cathether. Level of sensory block will be tested by testing with ice from S2 dermatome cephally. Analgesia will be maintained by programmed intermittant epidural boluses of 15 ml of 0,0625% of bupivacaine and 2 mcg/ml fentanyl once in every hour, starting 1 hour after the loading dose. In addition, patient controlled epidural analgesia (PCEA) will be programmed so that 8 ml of the same solution with a lock-time of 15 minutes may be administered. "Breakthrough pain" that requires even further analgesia will be treated with an epidural bolus of 10 ml of 0,1% bupivacain solution. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Group I: 30 Min Interval Time | Procedure | 10 ml of a solution containing 0,1% of bupivacaine and 2 mcg/ml fentanyl through the epidural cathether, maintained by programmed intermittant epidural (PIE) boluses of 7,5 ml of the same solution once in every 30 minutes, starting 1 hour after the loading dose. patient controlled epidural analgesia (PCEA) will be programmed so that 8 ml of the same solution with a lock-time of 15 minuts may be administered |
| Measure | Description | Time Frame |
|---|---|---|
| Difference between total local anaesthetic consumption | The study will involve monitoring the patients starting 2 minutes after the initial epidural dose, every 2 minutes during the first 20 minutes. Monitoring will continue at the 30th minute, and once in every 90 minutes for 5 hours or until labor is completed. Total bupivacain consumption will be calculated as follows: PIEB + PCEA + boluses by the clinician. Bupivacain consumption per hour will be calculated. | 5 hours or before if the labor is completed |
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Inclusion Criteria:
Exclusion Criteria:
Exclusion Criteria:
-
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Ayşenur Dostbil | Contact | +905333677796 | adostbil@hotmail.com | |
| Miraç Selcen SELCEN Özkal Yalın | Contact | +905393849811 | miracselcen@hotmail.com |
| Name | Affiliation | Role |
|---|---|---|
| Ayşenur Dostbil | Ataturk University | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Atatürk University | Recruiting | Erzurum | Turkey (Türkiye) |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 8610864 | Background | Suzuki N, Koganemaru M, Onizuka S, Takasaki M. Dural puncture with a 26-gauge spinal needle affects spread of epidural anesthesia. Anesth Analg. 1996 May;82(5):1040-2. doi: 10.1097/00000539-199605000-00028. | |
| 16249679 | Background | Thomas JA, Pan PH, Harris LC, Owen MD, D'Angelo R. Dural puncture with a 27-gauge Whitacre needle as part of a combined spinal-epidural technique does not improve labor epidural catheter function. Anesthesiology. 2005 Nov;103(5):1046-51. doi: 10.1097/00000542-200511000-00019. |
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| ID | Term |
|---|---|
| D000377 | Agnosia |
| ID | Term |
|---|---|
| D010468 | Perceptual Disorders |
| D019954 | Neurobehavioral Manifestations |
| D009461 | Neurologic Manifestations |
| D009422 | Nervous System Diseases |
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| Group II: 60 Min Interval Time | Procedure | 10 ml of a solution containing 0,1% of bupivacaine and 2 mcg/ml fentanyl through the epidural cathether, maintained by programmed intermittant epidural (PIE) boluses of 15 ml of the same solution once in every hour, starting 1 hour after the loading dose. patient controlled epidural analgesia (PCEA) will be programme |
|
| 28622178 | Background | Wilson SH, Wolf BJ, Bingham K, Scotland QS, Fox JM, Woltz EM, Hebbar L. Labor Analgesia Onset With Dural Puncture Epidural Versus Traditional Epidural Using a 26-Gauge Whitacre Needle and 0.125% Bupivacaine Bolus: A Randomized Clinical Trial. Anesth Analg. 2018 Feb;126(2):545-551. doi: 10.1213/ANE.0000000000002129. |
| 24347033 | Background | Kaddoum R, Motlani F, Kaddoum RN, Srirajakalidindi A, Gupta D, Soskin V. Accidental dural puncture, postdural puncture headache, intrathecal catheters, and epidural blood patch: revisiting the old nemesis. J Anesth. 2014 Aug;28(4):628-30. doi: 10.1007/s00540-013-1761-y. Epub 2013 Dec 18. |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |