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Salazar-Flórez JE, Arenas-Cardona LT, Marhx N, López-Guerrero E, Echeverri-Rendón ÁP, Giraldo-Cardona LS. Transversus Abdominis Plane Block versus Epidural Anesthesia for Pain Management Post-Caesarean Delivery: A Pilot Study. Local Reg Anesth 2024; 17:39-47. [PMID: 38650746 PMCID: PMC11033210 DOI: 10.2147/lra.s444947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 01/16/2024] [Indexed: 04/25/2024] Open
Abstract
Background Effective post-operative analgesia profoundly influences patient recovery and outcomes after caesarean delivery. The Transversus Abdominis Plane (TAP) block represents a potential alternative, potentially offering greater effectiveness than epidural analgesia while causing fewer adverse effects. Objective To assess if the abdominal transverse block provides superior postoperative pain relief in patients undergoing caesarean delivery compared to epidural analgesia. Methods Participants were divided into parallel groups: an experimental group receiving TAP block (n=25) and a control group receiving epidural analgesia (n=24). All patients received a 10 mg dose of hyoscine at the end of the surgery. Experimental Group received a total of 20 mL of 0.2% ropivacaine. In Epidural group received 0.2% ropivacaine at 4 mL/h for 24 hours. All participants were administered combined with neuroaxial block anesthesia. The patients selected for epidural analgesia received the mentioned dose, while the other group block had the epidural catheter removed after the cesarean section. The primary outcome was post-caesarean pain, evaluated using the Visual Analog Scale (VAS) at four intervals (0, 6, 12, and 24 hours). Also, surgical bleeding and residual motor were evaluated. VAS pain scores between the groups were compared using the Friedman test and Generalized Linear Model (GLM) for non-normally distributed data. The effect size was estimated with Eta Square ([Formula: see text]), considering values ≥0.38 as indicative of large effects. A two-tailed p-value < 0.05 was deemed statistically significant. Results Statistically significant differences in pain scores were noted at 0 and 6 hours post-surgery (p<0.01). The TAP block group reported lower pain scores at 0 hours (mean=0.04) and 6 hours (mean=1.16) compared to the epidural group, reflecting a substantial effect size. Conclusion The TAP block proves advantageous in mitigating postoperative pain for women post-caesarean delivery, particularly in the initial 6 postpartum hours. This relief promotes early mother-infant bonding and facilitates breastfeeding.
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Affiliation(s)
| | - Leidy Tatiana Arenas-Cardona
- Department of Medicine, Hospital General de Occidente, University Health Sciences Center of University of Guadalajara, Jalisco, Mexico
| | - Ninemy Marhx
- Department of Medicine, Hospital General de Occidente, University Health Sciences Center of University of Guadalajara, Jalisco, Mexico
| | - Eduardo López-Guerrero
- Department of Medicine, Hospital General de Occidente, University Health Sciences Center of University of Guadalajara, Jalisco, Mexico
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Ryu C, Choi GJ, Jung YH, Baek CW, Cho CK, Kang H. Postoperative Analgesic Effectiveness of Peripheral Nerve Blocks in Cesarean Delivery: A Systematic Review and Network Meta-Analysis. J Pers Med 2022; 12:jpm12040634. [PMID: 35455750 PMCID: PMC9033028 DOI: 10.3390/jpm12040634] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 04/05/2022] [Accepted: 04/10/2022] [Indexed: 02/01/2023] Open
Abstract
The purpose of this systematic review and network meta-analysis was to determine the analgesic effectiveness of peripheral nerve blocks (PNBs), including each anatomical approach, with or without intrathecal morphine (ITMP) in cesarean delivery (CD). All relevant randomized controlled trials comparing the analgesic effectiveness of PNBs with or without ITMP after CD until July 2021. The two co-primary outcomes were designated as (1) pain at rest 6 h after surgery and (2) postoperative cumulative 24-h morphine equivalent consumption. Secondary outcomes were the time to first analgesic request, pain at rest 24 h, and dynamic pain 6 and 24 h after surgery. Seventy-six studies (6278 women) were analyzed. The combined ilioinguinal nerve and anterior transversus abdominis plane (II-aTAP) block in conjunction with ITMP had the highest SUCRA (surface under the cumulative ranking curve) values for postoperative rest pain at 6 h (88.4%) and 24-h morphine consumption (99.4%). Additionally, ITMP, ilioinguinal-iliohypogastric nerve block in conjunction with ITMP, lateral TAP block, and wound infiltration (WI) or continuous infusion (WC) below the fascia also showed a significant reduction in two co-primary outcomes. Only the II-aTAP block had a statistically significant additional analgesic effect compared to ITMP alone on rest pain at 6 h after surgery (−7.60 (−12.49, −2.70)). In conclusion, combined II-aTAP block in conjunction with ITMP is the most effective post-cesarean analgesic strategy with lower rest pain at 6 h and cumulative 24-h morphine consumption. Using the six described analgesic strategies for postoperative pain management after CD is considered reasonable. Lateral TAP block, WI, and WC below the fascia may be useful alternatives in patients with a history of sensitivity or severe adverse effects to opioids or when the CD is conducted under general anesthesia.
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Affiliation(s)
- Choongun Ryu
- Department of Anesthesiology and Pain Medicine, College of Medicine, Chung-Ang University, Seoul 06911, Korea; (C.R.); (G.J.C.); (Y.H.J.); (C.W.B.)
| | - Geun Joo Choi
- Department of Anesthesiology and Pain Medicine, College of Medicine, Chung-Ang University, Seoul 06911, Korea; (C.R.); (G.J.C.); (Y.H.J.); (C.W.B.)
| | - Yong Hun Jung
- Department of Anesthesiology and Pain Medicine, College of Medicine, Chung-Ang University, Seoul 06911, Korea; (C.R.); (G.J.C.); (Y.H.J.); (C.W.B.)
| | - Chong Wha Baek
- Department of Anesthesiology and Pain Medicine, College of Medicine, Chung-Ang University, Seoul 06911, Korea; (C.R.); (G.J.C.); (Y.H.J.); (C.W.B.)
| | - Choon Kyu Cho
- Department of Anesthesiology and Pain Medicine, College of Medicine, Konyang University, Daejeon 35365, Korea;
| | - Hyun Kang
- Department of Anesthesiology and Pain Medicine, College of Medicine, Chung-Ang University, Seoul 06911, Korea; (C.R.); (G.J.C.); (Y.H.J.); (C.W.B.)
- Correspondence: ; Tel.: +82-2-6299-2586
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Singh NP, Monks D, Makkar JK, Palanisamy A, Sultan P, Singh PM. Efficacy of regional blocks or local anaesthetic infiltration for analgesia after caesarean delivery: a network meta-analysis of randomised controlled trials. Anaesthesia 2021; 77:463-474. [PMID: 34958680 DOI: 10.1111/anae.15645] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/26/2021] [Indexed: 01/15/2023]
Abstract
Caesarean delivery is common and can cause severe postoperative pain but injection of local anaesthetic at various sites for regional blocks or local anaesthetic infiltration may reduce this. We aimed to compare and rank these sites. We searched PubMed, Google Scholar, EMBASE and CENTRAL to June 2021 for randomised controlled trials and performed a random-effects Bayesian model network meta-analysis. The primary outcome was dose of parenteral morphine equivalents in the first 24 postoperative hours. We used surface under cumulative ranking probabilities to order techniques. We analysed 114 trials (8730 participants). The ordered mean (95% credible interval) reduction in morphine equivalents, from 34 mg with placebo, were as follows: ilio-inguinal 15 (1-32) mg; ilio-inguinal-iliohypogastric 13 (6-19) mg; transversalis fascia 11 (4-26) mg; erector spinae 11 (10-32); transverse abdominis 9 (4-13) mg; wound catheter infusion 8 (2-15) mg; quadratus lumborum 8 (1-15) mg; wound infiltration 8 (2-13) mg; and no intervention -4 (-10 to 2) mg. Ordered efficacies for injection sites were different for other relevant outcomes, including pain (to 4-6 h and to 24 h) and time to rescue analgesia: there was no single preferred route of injection. The ordered mean (95% credible interval) reduction in dynamic pain scores (0-10 scale) at 24 h compared with placebo were as follows: wound infusion 1.2 (0.2-2.1); erector spinae 1.3 (-0.5 to 3.1); quadratus lumborum 1.0 (0.1-1.8); ilio-inguinal-iliohypogastric 0.6 (-0.5 to 1.8); transverse abdominis 0.6 (-0.1 to 1.2); wound infiltration 0.5 (-0.3 to 1.3); transversalis fascia -0.8 (-3.4 to 1.9); ilio-inguinal -0.9 (-3.6 to 1.7); and no intervention -0.8 (-1.8 to 0.2). We categorised our confidence in effect sizes as low or very low.
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Affiliation(s)
- N P Singh
- Department of Anaesthesia, Maharishi Markandeshwar Institute of Medical Sciences and Research, Maharishi Markandeshwar University, Mullana-Ambala, India
| | - D Monks
- Department of Anesthesia, Washington University, Saint Louis, MO, USA
| | - J K Makkar
- Department of Anaesthesia and Intensive care, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - A Palanisamy
- Department of Anesthesia, Washington University, Saint Louis, MO, USA
| | - P Sultan
- Department of Anesthesia, Stanford University School of Medicine, Stanford, CA, USA
| | - P M Singh
- Department of Anesthesia, Washington University, Saint Louis, MO, USA
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Transversus abdominis plane block compared with wound infiltration for postoperative analgesia following Cesarean delivery: a systematic review and network meta-analysis. Can J Anaesth 2020; 67:1710-1727. [DOI: 10.1007/s12630-020-01818-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 07/02/2020] [Accepted: 07/29/2020] [Indexed: 12/13/2022] Open
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El-Boghdadly K, Desai N, Halpern S, Blake L, Odor PM, Bampoe S, Carvalho B, Sultan P. Quadratus lumborum block vs. transversus abdominis plane block for caesarean delivery: a systematic review and network meta-analysis . Anaesthesia 2020; 76:393-403. [PMID: 32621529 DOI: 10.1111/anae.15160] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/26/2020] [Indexed: 12/12/2022]
Abstract
Caesarean delivery is the most commonly performed inpatient surgical procedure globally. Pain after caesarean delivery is moderate to severe if not adequately treated, and is a primary anaesthetic concern for patients. Transversus abdominis plane and quadratus lumborum blocks are fascial plane blocks that have the potential to improve analgesia following caesarean delivery. Although proponents of the quadratus lumborum block suggest that this technique may provide better analgesia compared with transversus abdominis plane block, there are limited data directly comparing these two techniques. We, therefore, performed a systematic review and network meta-analysis to compare transversus abdominis plane and quadratus lumborum block approaches, seeking randomised controlled trials comparing both techniques to each other, or to control, with or without intrathecal morphine. In all, 31 trials with 2188 patients were included and our primary outcome, the cumulative intravenous morphine equivalent consumption at 24 h, was reported in 12 trials. In the absence of intrathecal morphine, transversus abdominis plane and quadratus lumborum blocks were equivalent, and both were superior to control (moderate-quality evidence). In the presence of intrathecal morphine, no differences were found between control, transversus abdominis plane and quadratus lumborum blocks (moderate-quality evidence). Similar results were found for resting and active pain scores at 4-6 h, 8-12 h, 24 h and 36 h, although quadratus lumborum block was associated with lower pain scores at 36 h when compared with transversus abdominis plane block (very low-quality evidence). However, transversus abdominis plane block was associated with a reduced incidence of postoperative nausea and vomiting (moderate-quality evidence) and sedation when compared with inactive control following intrathecal morphine administration (low-quality evidence). There are insufficient data to draw definitive conclusions, but transversus abdominis plane and quadratus lumborum block appear to be superior to control in the absence of intrathecal morphine, but provide limited additional benefit over inactive control when intrathecal morphine is also used.
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Affiliation(s)
- K El-Boghdadly
- Department of Anaesthesia, Guy's and St Thomas' NHS Foundation Trust, London, UK.,King's College London, UK
| | - N Desai
- Department of Anaesthesia, Guy's and St Thomas' NHS Foundation Trust, London, UK.,King's College London, UK
| | - S Halpern
- Department of Anesthesiology, and Pain Medicine, University of Toronto, ON, Canada
| | - L Blake
- University of Arkansas for Medical Sciences Library, Little Rock, AR, USA
| | - P M Odor
- Department of Anaesthesia, University College Hospital, London, UK
| | - S Bampoe
- Department of Anaesthesia, University College Hospital, London, UK
| | - B Carvalho
- Department of Anesthesiology, Stanford University, CA, USA
| | - P Sultan
- Department of Anesthesiology, Stanford University, CA, USA
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Comparison Between Ultrasound Guided Transversalis Fascia Plane and Transversus Abdominis Plane Block on Postoperative Pain in Patients Undergoing Elective Cesarean Section. IRANIAN RED CRESCENT MEDICAL JOURNAL 2018. [DOI: 10.5812/ircmj.67844] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Ng S, Habib A, Sodha S, Carvalho B, Sultan P. High-dose versus low-dose local anaesthetic for transversus abdominis plane block post-Caesarean delivery analgesia: a meta-analysis. Br J Anaesth 2018; 120:252-263. [DOI: 10.1016/j.bja.2017.11.084] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Revised: 08/29/2017] [Accepted: 08/29/2017] [Indexed: 10/18/2022] Open
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Urfalıoğlu A, Bakacak M, Boran ÖF, Yazar FM, Arslan M, Öksüz H. Bloqueio cirúrgico do plano transverso abdominal versus guiado por ultrassom em pacientes obesas após cesárea: estudo prospectivo e randomizado. Braz J Anesthesiol 2017; 67:480-486. [DOI: 10.1016/j.bjan.2017.04.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2016] [Accepted: 07/27/2016] [Indexed: 10/19/2022] Open
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Anatomical topography of the inferior lumbar triangle for transversus abdominis block. Surg Radiol Anat 2017; 40:99-107. [DOI: 10.1007/s00276-017-1912-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Accepted: 08/15/2017] [Indexed: 10/19/2022]
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Champaneria R, Shah L, Wilson M, Daniels J. Clinical effectiveness of transversus abdominis plane (TAP) blocks for pain relief after caesarean section: a meta-analysis. Int J Obstet Anesth 2016; 28:45-60. [DOI: 10.1016/j.ijoa.2016.07.009] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Revised: 07/25/2016] [Accepted: 07/28/2016] [Indexed: 11/29/2022]
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López-González JM, López-Álvarez S, Jiménez Gómez BM, Areán González I, Illodo Miramontes G, Padín Barreiro L. Ultrasound-guided transversalis fascia plane block versus anterior transversus abdominis plane block in outpatient inguinal hernia repair. REVISTA ESPANOLA DE ANESTESIOLOGIA Y REANIMACION 2016; 63:498-504. [PMID: 27067036 DOI: 10.1016/j.redar.2016.02.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2015] [Revised: 02/10/2016] [Accepted: 02/15/2016] [Indexed: 06/05/2023]
Abstract
INTRODUCTION The aim of the study was to assess the effectiveness of ultrasound-guided transversalis fascia plane block (TFP) compared to anterior transversus abdominis plane block (TAP-A) for post-operative analgesia in outpatient unilateral inguinal hernia repair. MATERIALS AND METHODS Retrospective observational study conducted on ASA I-II patients. Two groups (TAP-A and TFP), which were given 30ml of 0.25% levobupivacaine prior to surgical incision. The primary endpoint was the post-operative pain evaluated by verbal numerical scale (VRN at rest and movement) at 10, 30, 60, 90min, coinciding with ambulation, and 24hours by telephone. An evaluation was also made of the sensory block level reached prior to surgery, the need for additional analgesia, side effects, ease of performing the technique, and the level of satisfaction of patients with the anaesthetic-analgesic technique. RESULTS A total of 61 patients were included, 30 patients in the TAP-A group and 31 in the TFP group. The analgesic efficacy obtained in both groups was similar, although some higher values were found in the VNR on moving in the TAP-A group, reaching statistical difference at 10minutes (P=.014) and 30minutes (P=.013) post-operatively. A higher level of sensory block was achieved in the TFP group than in the TAP-A group (P<.01). There were no significant differences in additional analgesia requirements, and the cumulative dose of morphine was similar in both groups in the post-operative period. There were no differences in side effects or complications. The technical ease of the block was similar in both groups and the level of satisfaction of patients very high. CONCLUSIONS Both blocks with a multimodal approach achieve good post-operative analgesia of inguinal hernia repair, are easy to perform and have few complications. TFP achieves the highest sensory level, but there are no differences in the requirements for additional analgesia.
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Affiliation(s)
- J M López-González
- Servicio de Anestesiología y Reanimación, Hospital Universitario Lucus Augusti, Lugo, España.
| | - S López-Álvarez
- Servicio de Anestesiología y Reanimación, Complejo Hospitalario Universitario de A Coruña, La Coruña, España
| | - B M Jiménez Gómez
- Servicio de Anestesiología y Reanimación, Hospital Universitario Lucus Augusti, Lugo, España
| | - I Areán González
- Servicio de Anestesiología y Reanimación, Complejo Hospitalario Universitario de Vigo, Vigo, España
| | - G Illodo Miramontes
- Servicio de Anestesiología y Reanimación, Complejo Hospitalario Universitario de Vigo, Vigo, España
| | - L Padín Barreiro
- Servicio de Anestesiología y Reanimación, Complejo Hospitalario Universitario de Vigo, Vigo, España
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Ziętek Z, Starczewski K, Sulikowski T, Iwan-Ziętek I, Żukowski M, Kamiński M, Ziętek-Czeszak A. Useful Points of Geometry and Topography of the Lumbar Triangle for Transversus Abdominis Plane Block. Med Sci Monit 2015; 21:4096-101. [PMID: 26714659 PMCID: PMC4699613 DOI: 10.12659/msm.894620] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2015] [Accepted: 08/19/2015] [Indexed: 01/23/2023] Open
Abstract
BACKGROUND A new look at the topography of the lumbar triangle becomes a challenge for modern anesthesia. The aim of this study was to redefine the topography of the lumbar triangle for transverse abdominis plane block. MATERIAL AND METHODS We explored 74 lumbar regions in 37 preserved cadavers (17 F and 20 M). RESULTS The lumbar triangle was identified in 66 (89%) out of all explored cadavers' lumbar regions. The predominant triangle was the acute-angled shaped. It was identified in 39 (59%) out of all explored lumbar regions. The second type of dissected triangles had the obtuse-angled shaped. Most triangles of acute-angled shaped and obtuse-angled shaped (36) had medium surface (range from 3 cm2 to 6 cm2), which accounted for 55% of all dissected lumbar triangles. The mean surface of the lumbar triangle was 3.6±2.2 cm2. Based on other measurements, we demonstrated that the majority of the lumbar triangles (62 triangles) were beyond the posterior axillary line. CONCLUSIONS According to the obtained results, the randomized searching for lumbar triangle should be limited to the area situated beyond of the posterior axillary line. The region situated anteriorly to the midaxillary line was defined in the study as the critical area for finding the lumbar triangle. Outcomes from the study revealed that the size and the location of the lumbar triangle as the gate for the transverse abdominal plane block may be responsible for difficulties encountered by anesthetists. Thus, establishing the area with the highest probability of localization of the lumbar triangle can improve both safety and efficiency of transversus abdominis plane block.
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Affiliation(s)
- Zbigniew Ziętek
- Department of Normal and Clinical Anatomy, Pomeranian Medical University, Szczecin, Poland
- Department of General Surgery and Gastroenterology, Pomeranian Medical University, Szczecin, Poland
| | - Kamil Starczewski
- Department of Intensive Therapy and Anesthesiology, Pomeranian Medical University, Szczecin, Poland
| | - Tadeusz Sulikowski
- Department of General Surgery and Transplantology, Pomeranian Medical University, Szczecin, Poland
| | - Iza Iwan-Ziętek
- Department of Esthetic Dermatology, Pomeranian Medical University, Szczecin, Poland
| | - Maciej Żukowski
- Department of Intensive Therapy and Anesthesiology, Pomeranian Medical University, Szczecin, Poland
| | - Marek Kamiński
- Department of General Surgery and Gastroenterology, Pomeranian Medical University, Szczecin, Poland
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Ripollés J, Marmaña Mezquita S, Abad A, Calvo J. Eficácia analgésica do bloqueio ecoguiado do plano transverso do abdome – revisão sistemática. Braz J Anesthesiol 2015; 65:255-80. [DOI: 10.1016/j.bjan.2013.10.014] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2013] [Accepted: 10/31/2013] [Indexed: 11/17/2022] Open
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Ripollés J, Mezquita SM, Abad A, Calvo J. Analgesic efficacy of the ultrasound-guided blockade of the transversus abdominis plane – a systematic review. Braz J Anesthesiol 2015; 65:255-80. [DOI: 10.1016/j.bjane.2013.10.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2013] [Revised: 10/19/2013] [Accepted: 10/31/2013] [Indexed: 12/11/2022] Open
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Garcia-Orellana M, Herms R, Rodríguez Cosmen C, Montes A. [Analysis of post-cesarean analgesia protocols in a University Hospital]. ACTA ACUST UNITED AC 2013; 61:228-9. [PMID: 23890875 DOI: 10.1016/j.redar.2013.05.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2013] [Revised: 05/12/2013] [Accepted: 05/16/2013] [Indexed: 11/28/2022]
Affiliation(s)
- M Garcia-Orellana
- Servicio de Anestesiología, Reanimación y Terapéutica del Dolor, Parc de Salut Mar, Hospital del Mar, Barcelona, España.
| | - R Herms
- Servicio de Anestesiología, Reanimación y Terapéutica del Dolor, Parc de Salut Mar, Hospital del Mar, Barcelona, España
| | - C Rodríguez Cosmen
- Servicio de Anestesiología, Reanimación y Terapéutica del Dolor, Parc de Salut Mar, Hospital del Mar, Barcelona, España
| | - A Montes
- Servicio de Anestesiología, Reanimación y Terapéutica del Dolor, Parc de Salut Mar, Hospital del Mar, Barcelona, España
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