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Albinni B, Zimmerman M, Ross J, Ozdoyuran L, Alasha V, Schuster NM, Said E, Case L. Subcutaneous Oxytocin Injection Reduces Heat Pain: A Randomized-Controlled Trial. THE JOURNAL OF PAIN 2024:104547. [PMID: 38642595 DOI: 10.1016/j.jpain.2024.104547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 04/01/2024] [Accepted: 04/12/2024] [Indexed: 04/22/2024]
Abstract
Oxytocin (OT) is a neuropeptide broadly implicated in social relationships and behavior. OT also exerts antinociceptive and pain-reducing effects in both humans and rodents. Recent research in rodents demonstrates that these effects can be peripheral and local. In human studies, intravenous OT has reduced visceral pain, and subcutaneous injection of OT has reduced postsurgical pain. However, the local effects of subcutaneous OT on experimental pain have not been studied. We conducted a 2-session crossover study during which healthy adults received a subcutaneous injection of synthetic OT (4 mcg/2 mL) or saline placebo (isotonic saline 2 mL), in a randomized and double-blinded manner. Eighteen participants completed full study procedures. We hypothesized that 10 minutes after injection, OT would reduce measures of acute mechanical pain, pressure pain, and heat pain perception. Subcutaneous OT significantly reduced ratings of heat pain intensity and unpleasantness (both P < .01), but did not alter mechanical pain, pressure pain, or heat pain threshold (all P > .05). Changes in heat pain were observed only on the injected arm and not on the contralateral arm, confirming a localized mechanism. These findings confirm the ability of OT in or near the skin to modulate nociceptive processes in cutaneous tissues in human adults, opening exciting avenues for further mechanistic research as well as potential clinical applications for acute pain. PERSPECTIVE: This randomized-controlled trial showed that a subcutaneous injection of OT could reduce perception of heat pain tested with a thermode. OT did not alter mechanical or pressure pain or thresholds for perceiving heat pain. These findings are relevant to scientists and clinicians seeking nonaddictive local drug treatments for pain.
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Affiliation(s)
- Benedetta Albinni
- Department of Anesthesiology, UC San Diego Health, La Jolla, California
| | - Marisa Zimmerman
- Department of Anesthesiology, UC San Diego Health, La Jolla, California
| | - Jacob Ross
- Department of Anesthesiology, UC San Diego Health, La Jolla, California
| | - Leyla Ozdoyuran
- Department of Anesthesiology, UC San Diego Health, La Jolla, California
| | - Vincent Alasha
- Department of Anesthesiology, UC San Diego Health, La Jolla, California
| | | | - Engy Said
- Department of Anesthesiology, UC San Diego Health, La Jolla, California
| | - Laura Case
- Department of Anesthesiology, UC San Diego Health, La Jolla, California; VA San Diego Healthcare System, San Diego, California.
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De Cassai A, Sella N, Geraldini F, Tulgar S, Ahiskalioglu A, Dost B, Manfrin S, Karapinar YE, Paganini G, Beldagli M, Luoni V, Ordulu BBK, Boscolo A, Navalesi P. Single-shot regional anesthesia for laparoscopic cholecystectomies: a systematic review and network meta-analysis. Korean J Anesthesiol 2023; 76:34-46. [PMID: 36345156 PMCID: PMC9902189 DOI: 10.4097/kja.22366] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 09/05/2022] [Accepted: 11/06/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Different regional anesthesia (RA) techniques have been used for laparoscopic cholecystectomy (LC), but there is no consensus on their comparative effectiveness. Our objective was to evaluate the effect of RA techniques on patients undergoing LC using a network meta-analysis approach. METHODS We conducted a systematic review and network meta-analysis. We searched PubMed, the Cochrane Central Register of Controlled Trials (CENTRAL), Scopus, and Web of Science (Science and Social Science Citation Index) using the following PICOS criteria: (P) adult patients undergoing LC; (I) any RA single-shot technique with injection of local anesthetics; (C) placebo or no intervention; (O) postoperative opioid consumption expressed as morphine milligram equivalents (MME), rest pain at 12 h and 24 h post-operation, postoperative nausea and vomiting (PONV), length of stay; and (S) randomized controlled trials. RESULTS A total of 84 studies were included. With the exception of the rectus sheath block (P = 0.301), the RA techniques were superior to placebo at reducing opioid consumption. Regarding postoperative pain, the transversus abdominis plane (TAP) block (-1.80 on an 11-point pain scale) and erector spinae plane (ESP) block (-1.33 on an 11-point pain scale) were the most effective at 12 and 24 h. The TAP block was also associated with the greatest reduction in PONV. CONCLUSIONS RA techniques are effective at reducing intraoperative opioid use, postoperative pain, and PONV in patients undergoing LC. Patients benefit the most from the bilateral paravertebral, ESP, quadratus lumborum, and TAP blocks.
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Affiliation(s)
- Alessandro De Cassai
- UOC Anesthesia and Intensive Care Unit, University Hospital of Padua, Padua, Italy
| | - Nicolò Sella
- UOC Anesthesia and Intensive Care Unit, University Hospital of Padua, Padua, Italy
| | - Federico Geraldini
- UOC Anesthesia and Intensive Care Unit, University Hospital of Padua, Padua, Italy
| | - Serkan Tulgar
- Department of Anesthesiology and Reanimation, Samsun Training and Research Hospital, Samsun University Faculty of Medicine, Samsun, Turkey
| | - Ali Ahiskalioglu
- Department of Anesthesiology and Reanimation, Ataturk University School of Medicine, Erzurum, Turkey
- Clinical Research, Development and Design Application and Research Center, Ataturk University School of Medicine, Erzurum, Turkey
| | - Burhan Dost
- Department of Anesthesiology and Reanimation, Ondokuz Mayis University Faculty of Medicine, Samsun, Turkey
| | - Silvia Manfrin
- UOC Anesthesia and Intensive Care Unit, Department of Medicine - DIMED, University of Padua, Padua, Italy
| | - Yunus Emre Karapinar
- Department of Anesthesiology and Reanimation, Ataturk University School of Medicine, Erzurum, Turkey
| | - Greta Paganini
- UOC Anesthesia and Intensive Care Unit, Department of Medicine - DIMED, University of Padua, Padua, Italy
| | - Muzeyyen Beldagli
- Department of Anesthesiology and Reanimation, Ondokuz Mayis University Faculty of Medicine, Samsun, Turkey
| | - Vittoria Luoni
- UOC Anesthesia and Intensive Care Unit, Department of Medicine - DIMED, University of Padua, Padua, Italy
| | - Busra Burcu Kucuk Ordulu
- Department of Anesthesiology and Reanimation, Samsun Training and Research Hospital, Samsun University Faculty of Medicine, Samsun, Turkey
| | - Annalisa Boscolo
- UOC Anesthesia and Intensive Care Unit, University Hospital of Padua, Padua, Italy
| | - Paolo Navalesi
- UOC Anesthesia and Intensive Care Unit, University Hospital of Padua, Padua, Italy
- UOC Anesthesia and Intensive Care Unit, Department of Medicine - DIMED, University of Padua, Padua, Italy
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Updates on Wound Infiltration Use for Postoperative Pain Management: A Narrative Review. J Clin Med 2021; 10:jcm10204659. [PMID: 34682777 PMCID: PMC8537195 DOI: 10.3390/jcm10204659] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 10/03/2021] [Accepted: 10/08/2021] [Indexed: 12/29/2022] Open
Abstract
Local anesthetic wound infiltration (WI) provides anesthesia for minor surgical procedures and improves postoperative analgesia as part of multimodal analgesia after general or regional anesthesia. Although pre-incisional block is preferable, in practice WI is usually done at the end of surgery. WI performed as a continuous modality reduces analgesics, prolongs the duration of analgesia, and enhances the patient’s mobilization in some cases. WI benefits are documented in open abdominal surgeries (Caesarean section, colorectal surgery, abdominal hysterectomy, herniorrhaphy), laparoscopic cholecystectomy, oncological breast surgeries, laminectomy, hallux valgus surgery, and radical prostatectomy. Surgical site infiltration requires knowledge of anatomy and the pain origin for a procedure, systematic extensive infiltration of local anesthetic in various tissue planes under direct visualization before wound closure or subcutaneously along the incision. Because the incidence of local anesthetic systemic toxicity is 11% after subcutaneous WI, appropriate local anesthetic dosing is crucial. The risk of wound infection is related to the infection incidence after each particular surgery. For WI to fully meet patient and physician expectations, mastery of the technique, patient education, appropriate local anesthetic dosing and management of the surgical wound with “aseptic, non-touch” technique are needed.
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González-Hernández A, Condés-Lara M, García-Boll E, Villalón CM. An outlook on the trigeminovascular mechanisms of action and side effects concerns of some potential neuropeptidergic antimigraine therapies. Expert Opin Drug Metab Toxicol 2021; 17:179-199. [DOI: 10.1080/17425255.2021.1856366] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
| | - Miguel Condés-Lara
- Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, México
| | - Enrique García-Boll
- Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, México
| | - Carlos M. Villalón
- Departamento de Farmacobiología, Cinvestav-Coapa, Ciudad de México, México
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Furlan B, de Melo BT, Papini JZB, Sperandio M, Oliveira JD, de Paula E, Cereda CMS, Tofoli GR. Pre-clinical evaluation of new dibucaine formulations for preventive analgesia. J Liposome Res 2020; 31:230-236. [PMID: 32567452 DOI: 10.1080/08982104.2020.1785494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
We have previously developed ammonium sulphate gradient loaded liposomes to encapsulate dibucaine. Thus, the purpose of this study was to evaluate the pre-clinical safety and effectiveness of this novel ionic liposomal formulation of dibucaine (DBC), as described in previous work. Effectiveness was evaluated in vivo on Wistar rats (n = 8) that received plain DBC or liposomal DBC (DBCLUV). Control empty liposomes (without DBC) or saline were also used as control. Sciatic nerve block was performed using the formulations or controls (0.4 mL). A hindpaw incision-based postoperative pain model was used to evaluate mechanical hypersensitivity with von Frey filaments. To verify antiinflamatory activity protein levels of TNF-α, IL-1β, substance P and CGRP were measured by ELISA in the hindpaw tissue after 1 and 6 hours of the incision. To corroborate drug safety, sciatic nerve Schwann cell cultures were treated with the aforementioned formulations and assessed for cell viability (MTT assay) and death (flow cytometry assay). Histopathology of the tissues surrounding the sciatic nerve region was also assessed 2 and 7 days after treatment. All animals presented post incisional hypersensitivity and DBCLUV showed longer analgesic effect (p < 0.001). DBCLUV reduced TNF-α and CGRP levels (p < 0.05). Histopathological evaluation showed greater inflammatory reaction after the administration of control liposomes when compared to DBC (p < 0.05). There was no difference in Schwann cell viability and death between plain and encapsulated DBC. DBCLUV was safe and enhanced anaesthesia duration due to slow release of dibucaine from ammonium sulphate gradient loaded liposomes.
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Affiliation(s)
- Beatriz Furlan
- Faculdade São Leopoldo Mandic, Instituto de Pesquisa São Leopoldo Mandic, Campinas, São Paulo, Brazil
| | - Beatriz T de Melo
- Faculdade São Leopoldo Mandic, Instituto de Pesquisa São Leopoldo Mandic, Campinas, São Paulo, Brazil
| | - Juliana Z B Papini
- Faculdade São Leopoldo Mandic, Instituto de Pesquisa São Leopoldo Mandic, Campinas, São Paulo, Brazil
| | - Marcelo Sperandio
- Faculdade São Leopoldo Mandic, Instituto de Pesquisa São Leopoldo Mandic, Campinas, São Paulo, Brazil
| | - Juliana D Oliveira
- Departamento de Bioquímica, Universidade Estadual de Campinas, Instituto de Biologia, Campinas, São Paulo, Brazil
| | - Eneida de Paula
- Departamento de Bioquímica, Universidade Estadual de Campinas, Instituto de Biologia, Campinas, São Paulo, Brazil
| | - Cintia M S Cereda
- Faculdade São Leopoldo Mandic, Instituto de Pesquisa São Leopoldo Mandic, Campinas, São Paulo, Brazil
| | - Giovana R Tofoli
- Faculdade São Leopoldo Mandic, Instituto de Pesquisa São Leopoldo Mandic, Campinas, São Paulo, Brazil
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Oxytocin prevents neuronal network pain-related changes on spinal cord dorsal horn in vitro. Cell Calcium 2020; 90:102246. [PMID: 32590238 DOI: 10.1016/j.ceca.2020.102246] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 06/02/2020] [Accepted: 06/16/2020] [Indexed: 12/28/2022]
Abstract
Recently, oxytocin (OT) has been studied as a potential modulator of endogenous analgesia by acting upon pain circuits at the spinal cord and supraspinal levels. Yet the detailed action mechanisms of OT are still undetermined. The present study aimed to evaluate the action of OT in the spinal cord dorsal horn network under nociceptive-like conditions induced by the activation of the N-methyl-d-aspartate (NMDA) receptor and formalin injection, using calcium imaging techniques. Results demonstrate that the spontaneous Ca2+-dependent activity of the dorsal horn cells was scarce, and the coactivity of cells was mainly absent. When NMDA was applied, high rates of activity and coactivity occurred in the dorsal horn cells; these rates of high activity mimicked the activity dynamics evoked by a neuropathic pain condition. In addition, although OT treatment increased activity rates, it was also capable of disrupting the conformation of coordinated activity previously consolidated by NMDA treatment, without showing any effect by itself. Altogether, our results suggest that OT globally prevents the formation of coordinated patterns previously generated by nociceptive-like conditions on dorsal horn cells by NMDA application, which supports previous evidence showing that OT represents a potential therapeutic alternative for the treatment of chronic neuropathic pain.
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Li G, Dong J, Wang J, Cao D, Zhang X, Cao Z, Lu G. The clinical application value of mixed-reality-assisted surgical navigation for laparoscopic nephrectomy. Cancer Med 2020; 9:5480-5489. [PMID: 32543025 PMCID: PMC7402835 DOI: 10.1002/cam4.3189] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 05/06/2020] [Accepted: 05/07/2020] [Indexed: 12/22/2022] Open
Abstract
Purpose Laparoscopic nephrectomy (LN) has become the preferred method for renal cell carcinoma (RCC). Adequate preoperative assessment or intraoperative navigation is key to the successful implementation of LN. The aim of this study was to evaluate the clinical application value of mixed‐reality–assisted surgical navigation (MRASN) in LN. Patients and Methods A total of 100 patients with stage T1N0M0 renal tumors who underwent laparoscopic partial nephrectomy (LPN) or laparoscopic radical nephrectomy (LRN) were prospectively enrolled and divided into a mixed‐reality‐assisted laparoscopic nephrectomy (MRALN) group (n = 50) and a non–mixed‐reality‐assisted laparoscopic nephrectomy (non‐MRALN) group (n = 50). All patients underwent renal contrast‐enhanced CT scans. The CT DICOM data of all patients in the MRALN group were imported into the mixed‐reality (MR) postprocessing workstation and underwent holographic three‐dimensional visualization (V3D) modeling and MR displayed, respectively. We adopted the Likert scale to evaluate the clinical application value of MRASN. The consistency of evaluators was assessed using the Cohen kappa coefficient (k). Results No significant differences in patient demographic indicators between the MRALN group and the non‐MRALN group (P > .05). The subjective score of MRASN clinical application value in operative plan formulation, intraoperative navigation, remote consultation, teaching guidance, and doctor‐patient communication were higher in the MRASN group than in the non‐MRASN group (all P < .001). There were significantly more patients for whom LPN was successfully implemented in the MRALN group than in the non‐MRALN group (82% vs 46%, P < .001). The MRALN group had a shorter operative time (OT) and warm ischemia time (WIT) and less estimated blood loss (EBL) than the non‐MRALN group (all P < .001). Conclusion MRASN is helpful for operative plan formulation, intraoperative navigation, remote consultation, teaching guidance, and doctor‐patient communication. MRALN may effectively improve the successful implementation rate of LPN and reduce the OT, WIT, and EBL.
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Affiliation(s)
- Guan Li
- Department of Radiology, Jinling Hospital, Nanjing Medical University, Nanjing, China
| | - Jie Dong
- Department of Urology, Jinling Hospital, Nanjing Medical University, Nanjing, China
| | - Jinbao Wang
- Department of Radiology, General Hospital of Northern Theater Command, Shenyang, China
| | - Dongbing Cao
- Department of Urology, Cancer Hospital of China Medical University, Shenyang, China
| | - Xin Zhang
- Department of Radiology, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Zhiqiang Cao
- Department of Urology, General Hospital of Northern Theater Command, Shenyang, China
| | - Guangming Lu
- Department of Radiology, Jinling Hospital, Nanjing Medical University, Nanjing, China
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