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subcutaneous analgesia

Hans Kristian Pilegaard
BACKGROUND: Pectus excavatum (PE) is the most frequent anomaly of the anterior chest wall. Before 2001, all patients in Denmark were referred to the plastic and reconstructive surgeon for implantation of a subcutaneous silicone prosthesis, because the modified Ravitch procedure was not used. Since 2001, all patients have been treated with a modified Nuss procedure, which today has become the gold standard for correction of PE. METHODS: From September 2001 to March 2016, 1,713 patients have been operated by a modified Nuss procedure using the short bar at Aarhus University Hospital with a male-female ratio 6:1...
September 2016: Annals of Cardiothoracic Surgery
Stephen King, Elizabeth S Roberts, Jonathan N King
BACKGROUND: Few pharmaceuticals are registered in cats for the management of post-operative pain and inflammation. The objective of this study was to assess the field efficacy and safety of an injectable formulation of the nonsteroidal anti-inflammatory drug robenacoxib in cats undergoing surgery. The study was a multi-center, prospective, randomized, masked, parallel-group, placebo-controlled clinical trial. A total of 349 cats were enrolled and underwent surgery comprising forelimb onychectomy, as an example of orthopedic surgery, plus either ovariohysterectomy or castration...
September 29, 2016: BMC Veterinary Research
Sara Hestehave, Gordon Munro, Tina Brønnum Pedersen, Klas S P Abelson
Researchers performing experiments on animals should always strive towards the refinement of experiments, minimization of stress and provision of better animal welfare. An adequate analgesic strategy is important to improve post-operative recovery and welfare in laboratory rats and mice. In addition, it is desirable to provide post-operative analgesia using methods that are minimally invasive and stressful. This study investigated the antinociceptive effects of orally administered buprenorphine ingested in Nutella® in comparison with subcutaneous buprenorphine administration...
September 27, 2016: Laboratory Animals
Michael K Essandoh, Andrew J Otey, Mahmoud Abdel-Rasoul, Erica J Stein, Katja R Turner, Nicholas C Joseph, Emile G Daoud
BACKGROUND: To date, general anesthesia has been suggested as the preferred approach for implantation of a subcutaneous implantable cardioverter-defibrillator (S-ICD). The purpose of this study was to assess the use of monitored anesthesia care (MAC) for S-ICD implantation. The goals were to assess adequate sedation and analgesia (efficacy endpoints) and major perioperative airway or hemodynamic compromise (safety endpoints). The authors hypothesized that MAC may provide adequate sedation and analgesia and no major perioperative airway or hemodynamic compromise during S-ICD implantation and multiple defibrillation threshold (DFT) testing...
October 2016: Journal of Cardiothoracic and Vascular Anesthesia
Sophia L Markantonis, Aikaterini Melemeni, Marina Markidou, Stefania Irene Haikali, Vangelis Karalis, Argyro Fassoulaki
BACKGROUND/AIMS: The concentration-time profile of the long-acting local anesthetic ropivacaine after epidural (EP) administration at fixed time intervals or continuous subcutaneous (SC) infusion has not been fully evaluated. The objective of this work was to determine total plasma concentrations of ropivacaine and changes in cytokine interleukin-6 (IL-6) and tumor necrosis factor alpha (TNF-α) levels during EP and SC. METHODS: In this prospective randomized controlled trial, 18 patients undergoing abdominal hysterectomy or myomectomy were randomly selected to receive ropivacaine either every 6 h via an EP catheter or by continuous wound infusion along the skin incision, after a bolus dose, for 48 h...
September 16, 2016: Pharmacology
Dawn E Jaroszewski, M'hamed Temkit, MennatAllah M Ewais, Todd C Luckritz, Joshua D Stearns, Ryan C Craner, Brantley D Gaitan, Harish Ramakrishna, Christopher A Thunberg, Ricardo A Weis, Kelly M Myers, Marianne V Merritt, David M Rosenfeld
BACKGROUND: Minimally invasive repair of pectus excavatum (MIRPE) is now performed in adults. Managing adult patients' pain postoperatively has been challenging due to increased chest wall rigidity and the pressure required for supporting the elevated sternum. The optimal pain management regimen has not been determined. We designed this prospective, randomized trial to compare postoperative pain management and outcomes between thoracic epidural analgesia (TEA) and bilateral subcutaneous infusion pump catheters (On-Q)...
August 2016: Journal of Thoracic Disease
Barry Rose, Kumar Kunasingam, Tristan Barton, James Walsh, Karen Fogarty, Andrew Wines
: Local anesthetic use for wound infusions, single injection, and continuous nerve blocks for postoperative analgesia is well established. No study has investigated the effect of a continuous block of the saphenous and superficial peroneal nerves at the level of the ankle joint following first ray surgery. A double blind randomized controlled trial was designed. One hundred patients with hallux valgus and rigidus requiring surgical correction were recruited and randomized to receive a postoperative continuous infusion at the ankle of normal saline or ropivacaine for 24 hours...
September 9, 2016: Foot & Ankle Specialist
Phillippa Burnell, Rachael Coates, Steven Dixon, Lucy Grant, Matthew Grey, Ben Griffiths, Mike Jones, Anantha Madhavan, Iain McCallum, Ross McClean, Karen Naru, Lydia Newton, Paul O'Loughlin, Fadlo Shaban, Anisha Sukha, Sameer Somnath, Syed Shumon, Deena Harji
INTRODUCTION: Laparoscopic surgery combined with enhanced recovery programmes has become the gold standard in the elective management of colorectal disease. However, there is no consensus with regard to the optimal perioperative analgesic regime in this cohort of patients, with a number of options available, including thoracic epidural spinal analgesia, patient-controlled analgesia, subcutaneous and/or intraperitoneal local anaesthetics, local anaesthetic wound infiltration catheters and transversus abdominis plane blocks...
September 6, 2016: BMJ Open
N Schelhorn, S Lamm, R Fricker
PURPOSE: This randomised prospective study compared pain during application and efficacy of the palmar subcutaneous single injection block (PSSIB) and the traditional dorsal 2 injection block (DTIB). METHODS: During a 2 year period, a total of 190 patients with an average age of 43 years (18-82) and an isolated finger injury were included in the study. The injection was applied by residents (n=29) of the emergency department. 96 patients received PSSIB (72 men, 24 women) and 94 DTIB (55 men, 39 women) with 3 ml of Mepicavain(®) 1%...
August 2016: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
Vivian Leung, Emily Zhang, Daniel Sj Pang
Rodent grimace scales have been recently validated for pain assessment, allowing evaluation of facial expressions associated with pain. The standard scoring method is retrospective, limiting its application beyond pain research. This study aimed to assess if real-time application of the Rat Grimace Scale (RGS) could reliably and accurately assess pain in rats when compared to the standard method. Thirty-two male and female Sprague-Dawley rats were block randomized into three treatment groups: buprenorphine (0...
2016: Scientific Reports
Ersin Gürkan Dumlu, Mehmet Tokaç, Haydar Öcal, Doğukan Durak, Halil Kara, Mehmet Kılıç, Abdussamed Yalçın
OBJECTIVE: We aimed to evaluate the effect of bupivacaine and to compare the routes of administration of bupivacaine in the management of postoperative incision site pain after thyroidectomy. MATERIAL AND METHODS: Consecutive patients who were planned for thyroidectomy surgery were randomized into three groups of 30 patients each: Group 1 (control group): standard thyroidectomy surgery without additional intervention; Group 2 (paratracheal infiltration with bupivacaine): following thyroidectomy, 0...
2016: Ulusal Cerrahi Dergisi
Subodh Nag, Sukhbir S Mokha
Higher prevalence of several pain disorders in women and sexual dimorphism in G-protein coupled receptor-induced analgesia has been reported. We have previously shown that α2-adrenoceptor-induced antinociception is sex-specific and attenuated by estrogen in the female rat. However, this evidence was obtained using reflexive withdrawal-based nociceptive assays conducted on restrained animals that may not involve cerebral processing. Hence, we evaluated whether activation of the trigeminal α2-adrenoceptor produces sex-specific antinociceptive and antihyperalgesic effects in the orofacial region of the rat using a reward conflict-based operant paradigm in which animals must tolerate nociceptive thermal stimulation to be rewarded...
November 1, 2016: Behavioural Brain Research
Ana Maria Munteanu, Simona Cionac Florescu, Denisa Madalina Anastase, Cristian Ioan Stoica
BACKGROUND: Optimal postoperative analgesia is a challenge for the anaesthesiologist, with the ideal combination of methods, drugs, doses and timing of administration still the subject of research. The COX-2 inhibitors are a class of NSAIDs that may provide useful perioperative analgesia but the optimal timing of administration has not been elucidated. OBJECTIVE: We hypothesised that etoricoxib given 1 h before total knee arthroplasty under spinal anaesthesia will decrease the cumulative dose of intravenous and subcutaneous morphine required to maintain pain intensity of 3 or less on a 10-point numerical rating scale (NRS) during the first postoperative 48 h compared with the same dose of etoricoxib given after surgery...
November 2016: European Journal of Anaesthesiology
Bonnie Stevens, Janet Yamada, Arne Ohlsson, Sarah Haliburton, Allyson Shorkey
BACKGROUND: Administration of oral sucrose with and without non-nutritive sucking is the most frequently studied non-pharmacological intervention for procedural pain relief in neonates. OBJECTIVES: To determine the efficacy, effect of dose, method of administration and safety of sucrose for relieving procedural pain in neonates as assessed by validated composite pain scores, physiological pain indicators (heart rate, respiratory rate, saturation of peripheral oxygen in the blood, transcutaneous oxygen and carbon dioxide (gas exchange measured across the skin - TcpO2, TcpCO2), near infrared spectroscopy (NIRS), electroencephalogram (EEG), or behavioural pain indicators (cry duration, proportion of time crying, proportion of time facial actions (e...
2016: Cochrane Database of Systematic Reviews
Marjan Hassanzadeh, Mousa Ghaemy, Shamseddin Ahmadi
Chitosan-based molecular imprinted polymer (CS-MIP) nanogel is prepared in the presence of morphine template, fully characterized and used as a new vehicle to extend duration of morphine analgesic effect in Naval Medical Research Institute mice. The CS-MIP nanogel with ≈25 nm size range exhibits 98% loading efficiency, and in vitro release studies show an initial burst followed by an extended slow release of morphine. In order to study the feasibility of CS-MIP nanogel as morphine carrier, 20 mice are divided into two groups randomly and received subcutaneous injection of morphine-loaded CS-MIP and morphine (10 mg kg(-1) ) dissolved in physiologic saline...
July 14, 2016: Macromolecular Bioscience
Neda Soliemani, Alireza Moslem, Ali Shamsizadeh, Hassan Azhdari-Zarmehri
OBJECTIVES: Intracerebroventricular injection of orexin-A (hypocretin-1) antagonist has been shown to inhibit stress-induced analgesia. However the locations of central sites that may mediate these effects have not been totally demonstrated. This study was performed to investigate the role of rostral ventromedial medulla (RVM) orexin receptor 1 in stress-induced analgesia (SIA). MATERIALS AND METHODS: Forced swim stress in water was employed to adult male rats (200-250 g)...
May 2016: Iranian Journal of Basic Medical Sciences
Liu-Qing Wu, Yu Li, Yuan-Yan Li, Shi-Hao Xu, Zong-Yong Yang, Zheng Lin, Jun Li
We measured anti-nociceptive activity of prim-o-glucosylcimifugin (POG), a molecule from Saposhnikovia divaricate (Turcz) Schischk. Anti-nociceptive or anti-inflammatory effects of POG on a formalin-induced tonic nociceptive response and a complete Freund's adjuvant (CFA) inoculation-induced rat arthritis pain model were studied. Single subcutaneous injections of POG produced potent anti-nociception in both models that was comparable to indomethacin analgesia. Anti-nociceptive activity of POG was dose-dependent, maximally reducing pain 56...
July 1, 2016: Biomolecules & Therapeutics
Sandeep Kundra, Rupinder M Singh, Gaganpreet Singh, Tania Singh, Vikrant Jarewal, Sunil Katyal
INTRODUCTION: Intravenous and peri-articular magnesium has been shown to reduce perioperative analgesic consumption. With this background, subcutaneous infiltration was hypothesized to potentiate the subcutaneous infiltration of local anaesthetic agent. AIM: To comparatively evaluate the efficacy of magnesium sulphate as an adjunct to ropivacaine in local infiltration for postoperative pain following lower segment cesarean section. MATERIALS AND METHODS: Sixty parturients undergoing cesarean delivery were randomized to either group A or B in a double blinded manner...
April 2016: Journal of Clinical and Diagnostic Research: JCDR
Rebecca A Johnson
Buprenorphine HCl (BUP) is a μ-opioid agonist used in laboratory rodents. New formulations of buprenorphine (for example, sustained-released buprenorphine [BUP SR], extended-release buprenorphine [BUP ER]) have been developed to extend the analgesic duration. In a crossover design, 8 adult rats were injected subcutaneously with either BUP, BUP SR, BUP ER, or saline, after which voluntary running-wheel activity, arterial blood gases, and thermal withdrawal latency were assessed. Wheel running was decreased at 24 h compared with baseline in all treatment groups but returned to baseline by 48 h...
2016: Journal of the American Association for Laboratory Animal Science: JAALAS
Xin-liang Meng, Qiang Qu
OBJECTIVE: To observe the effect of acupoint injection of Lidocaine on serum IL-1β, TNF-α and T-lymphocyte subset activities in patients undergoing laparoscopic cholecystectomy (LC), so as to reveal its mechanisms underlying relieving postoperative pain and potentiating rehabilitation. METHODS: Eighty patients scheduled for elective LC surgery (grade I or II, according to American Standards of Association, ASA) were randomly divided into four groups, namely intravenous analgesia (IVA) , right forearm-injection (forearm-), Jiaji (EX-B 2, Thorax 8)-injection (EX-B 2-1), and Zusanli-injection (ST 36-1), with 20 patients in each group...
February 2016: Zhen Ci Yan Jiu, Acupuncture Research
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