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Regional nerve block

Arunangshu Chakraborty, Rakhi Khemka, Taniya Datta
The practice of regional anaesthesia is rapidly changing with the introduction of ultrasound into the working domain of the anaesthesiologist. New techniques are being pioneered. Among the recent techniques, notable are the truncal blocks, for example, the transversus abdominis plane block, rectus sheath block, hernia block and quadratus lumborum block in the abdomen and the pectoral nerves (Pecs) block 1 and 2, serratus anterior plane block and intercostal nerve block. This narrative review covers the brief anatomical discourse along with technical description of the ultrasound-guided truncal blocks...
October 2016: Indian Journal of Anaesthesia
Arnoley S Abcejo, Hans P Sviggum, Michelle L Mauermann, James R Hebl, Carlos B Mantilla, Andrew C Hanson, Yi Lin, Adam K Jacob
BACKGROUND AND OBJECTIVES: There are multiple risk factors for developing perioperative nerve injury (PNI). Perioperative nerve injury after peripheral nerve blockade (PNB) is rare. Exposure to systemic chemotherapy may cause peripheral neuropathy, but its role as a risk factor for PNI after PNB is unknown. The objective of this retrospective study was to determine the incidence of PNI in patients undergoing PNB as part of extremity surgery after prior exposure to systemic chemotherapy...
October 6, 2016: Regional Anesthesia and Pain Medicine
James K Hamill, Jamie-Lee Rahiri, Gamage Gunaratna, Andrew G Hill
BACKGROUND: No enhanced recovery after surgery protocol has been published for laparoscopic appendectomy. This was a review of evidence-based interventions that could optimize recovery after appendectomy. METHODS: Interventions for the review Clinical pathway, fast-track or enhanced recovery protocols; needlescopic approach; single incision laparoscopic (SIL) approach; natural orifice transluminal endoscopic surgery (NOTES); regional nerve blocks; intraperitoneal local anaesthetic (IPLA); drains...
October 17, 2016: Surgical Endoscopy
Chailee F Moss, Lynn A Damitz, Richard H Gracely, Alice C Mintz, Denniz A Zolnoun, A Lee Dellon
INTRODUCTION: Transobturator slings can be successfully used to treat stress urinary incontinence and improve quality of life through a minimally invasive vaginal approach. Persistent postoperative pain can occur and pose diagnostic and therapeutic dilemmas. Following a sling procedure, a patient complained of pinching clitoral and perineal pain. Her symptoms of localized clitoral pinching and pain became generalized over the ensuing years, eventually encompassing the entire left vulvovaginal region...
2016: Journal of Pain Research
William J Warrender, Usman Ali M Syed, Sommer Hammoud, William Emper, Michael G Ciccotti, Joseph A Abboud, Kevin B Freedman
BACKGROUND: Effective postoperative pain management after shoulder arthroscopy is a critical component to recovery, rehabilitation, and patient satisfaction. PURPOSE: This systematic review provides a comprehensive overview of level 1 and level 2 evidence regarding postoperative pain management for outpatient arthroscopic shoulder surgery. STUDY DESIGN: Systematic review. METHODS: We performed a systematic review of the various modalities reported in the literature for postoperative pain control after outpatient shoulder arthroscopy and analyzed their outcomes...
October 11, 2016: American Journal of Sports Medicine
Erik Smistad, Daniel Høyer Iversen, Linda Leidig, Janne Beate Lervik Bakeng, Kaj Fredrik Johansen, Frank Lindseth
Ultrasound-guided regional anesthesia can be challenging, especially for inexperienced physicians. The goal of the proposed methods is to create a system that can assist a user in performing ultrasound-guided femoral nerve blocks. The system indicates in which direction the user should move the ultrasound probe to investigate the region of interest and to reach the target site for needle insertion. Additionally, the system provides automatic real-time segmentation of the femoral artery, the femoral nerve and the two layers fascia lata and fascia iliaca...
October 7, 2016: Ultrasound in Medicine & Biology
Jijun Xu, Yuying Tang, Mian Xie, Bihua Bie, Jiang Wu, Hui Yang, Joseph F Foss, Bin Yang, Richard W Rosenquist, Mohamed Naguib
Complex regional pain syndrome type 1 (CRPS-I) remains one of the most clinically challenging neuropathic pain syndromes and its mechanism has not been fully characterized. Cannabinoid receptor 2 (CB2) has emerged as a promising target for treating different neuropathic pain syndromes. In neuropathic pain models, activated microglia expressing CB2 receptors are seen in the spinal cord. Chemokine fractalkine receptor (CX3CR1) plays a substantial role in microglial activation and neuroinflammation. We hypothesized that a CB2 agonist could modulate neuroinflammation and neuropathic pain in an ischemia model of CRPS by regulating CB2 and CX3CR1 signaling...
September 26, 2016: European Journal of Neuroscience
Satoshi Matsuo, Serhat Baydin, Abuzer Güngör, Koichi Miki, Noritaka Komune, Ryota Kurogi, Koji Iihara, Albert L Rhoton
OBJECTIVE A common approach to lesions of the pineal region is along the midline below the torcula. However, reports of how shifting the approach off midline affects the surgical exposure and relationships between the tributaries of the vein of Galen are limited. The purpose of this study is to examine the microsurgical and endoscopic anatomy of the pineal region as seen through the supracerebellar infratentorial approaches, including midline, paramedian, lateral, and far-lateral routes. METHODS The quadrigeminal cisterns of 8 formalin-fixed adult cadaveric heads were dissected and examined with the aid of a surgical microscope and straight endoscope...
October 7, 2016: Journal of Neurosurgery
Marcus Hards, Arisa Harada, Isobel Neville, Sheelagh Harwell, Mahwash Babar, Abdulsatar Ravalia, Giles Davies
STUDY OBJECTIVES: To determine the effectiveness of serratus plane block performed under direct vision on postoperative pain after mastectomy. DESIGN: We performed a retrospective study of elective breast surgery patients undergoing mastectomy over 6 months. We collected data on the outcomes for the pain score and use of analgesia in recovery, the use of analgesia and antiemetics overnight, and the pain score and mobilization status of the patient 1 day after the operation...
November 2016: Journal of Clinical Anesthesia
Jeffrey Huang, Huan Gao
STUDY OBJECTIVE: Neuraxial anesthesia has been widely used in China. Recently, Chinese anesthesiologists have applied nerve stimulator and ultrasound guidance for peripheral nerve blocks. Nationwide surveys about regional anesthesia practices in China are lacking. We surveyed Chinese anesthesiologists about regional anesthesia techniques, preference, drug selections, complications, and treatments. DESIGN: A survey was sent to all anesthesiologist members by WeChat...
November 2016: Journal of Clinical Anesthesia
Katherine H Dobie, Yaping Shi, Matthew S Shotwell, Warren S Sandberg
STUDY OBJECTIVE: Regional anesthesia and analgesia for shoulder surgery is most commonly performed via interscalene nerve block. We developed an ultrasound-guided technique that specifically targets the C5 nerve root proximal to the traditional interscalene block and assessed its efficacy for shoulder analgesia. DESIGN: Prospective case series. SETTING: Vanderbilt Bone and Joint Surgery Center. PATIENTS: Patients undergoing shoulder arthroscopy at an ambulatory surgery center...
November 2016: Journal of Clinical Anesthesia
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
Jeremy D Deer, Amod Sawardekar, Santhanam Suresh
PURPOSE OF REVIEW: The objective of this review is to provide an overview of recent developments in pediatric regional anesthesia and elucidate outcomes as it relates to patient safety and overall satisfaction. RECENT FINDINGS: Since the inception of the Pediatric Regional Anesthesia Network database, the acquisition of data has enabled the pediatric anesthesiologist to extrapolate results and translate them into useful outcomes. Despite the growing trend to provide regional anesthesia in the pediatric population, there continues to be a paucity of available research studies to evaluate outcomes of various regional nerve blocks...
September 28, 2016: Current Opinion in Anaesthesiology
Michael J Barrington, Samuel R Gledhill, Roman Kluger, Alexander L Clarke, Daniel M Wong, Henry Davidson, Rowan Thomas
BACKGROUND: Ultrasound-guided techniques improve outcomes in regional anesthesia when compared with traditional techniques; however, this assertion has not been studied with novices. The primary objective of this study was to compare sensory and motor block after axillary brachial plexus block when performed by novice trainees allocated to an ultrasound- or nerve-stimulator-guided group. A secondary objective was to compare the rates of skill acquisition between the 2 groups. METHODS: This study was a prospective, randomized, observer-blinded, 2-arm controlled trial...
September 28, 2016: Regional Anesthesia and Pain Medicine
Young Deog Cha, Chun Woo Yang, Jung Uk Han, Jang Ho Song, WonJu Na, Sora Oh, Byung-Gun Kim
BACKGROUND: Coccygodynia is a pain in the region of the coccyx that radiates to the sacral, perineal area. The cause of the pain is often unknown. Coccygodynia is diagnosed through the patient's past history, a physical examination, and dynamic radiographic study, but the injection of local anesthetics or a diagnostic nerve blockade are needed to distinguish between somatic, neuropathic, and combined pain. Ganglion impar is a single retroperitoneal structure made of both paravertebral sympathetic ganglions...
September 2016: Medicine (Baltimore)
Kun Soo Jang, Hyeun Sung Kim
Complex regional pain syndrome (CRPS) type II is a syndrome that develops after nerve injury. Symptoms may be severe, and vary depending on the degree of sympathetic nerve involvement. As yet, there is no satisfactory treatment. We report the case of a female patient who had an L5 left transverse process fracture and an S2 body fracture, who developed symptoms of CRPS type II in her left lower leg that were aggravated during ambulation in spite of absolute bed rest for one month after the trauma. Several treatments, including bed rest, medication, and numerous nerve blocks were attempted, but the pain persisted...
September 2016: Journal of Korean Neurosurgical Society
Elham Memari, Mohammad-Ali Hosseinian, Ali Mirkheshti, Ali Arhami-Dolatabadi, Mojtaba Mirabotalebi, Mohsen Khandaghy, Yahya Daneshbod, Leila Alizadeh, Sadegh Shirian
Injection of a variety of drugs such as local anesthetics (LAs) for peripheral nerve block has been shown to cause damage to peripheral nerves. Bupivacaine is a local anesthetic widely used in surgical procedures. The aim of this study was to evaluate the neurotoxicity of LAs including Bupivacaine and dexmedetomidine (DEX)-Bupivacaine on sciatic nerve tissue at histopathological level. In addition, we investigated whether perineural administration of DEX can attenuate Bupivacaine-induced neurotoxicity. Twenty adult Sprague Dawley rats received unilateral sciatic nerve blocks with either 0...
September 17, 2016: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
Yeon-Dong Kim, Seon-Jeong Park, Junho Shim, Hyungtae Kim
The recently introduced pectoral nerve (Pecs) block is a simple alterative to the conventional thoracic paravertebral block or epidural block for breast surgery. It produces excellent analgesia and can be used to provide balanced anesthesia and as a rescue block in cases where performing a neuraxial blockade is not possible. In the thoracic region, a neuraxial blockade is often used to manage zoster-associated pain. However, this can be challenging for physicians due to the increased risk of hemodynamic instability in the upper thoracic level, and comorbid and contraindicated medical conditions such as coagulopathy...
September 20, 2016: Journal of Anesthesia
Wenjuan Tao, Wenjie Zhou, Yuping Wang, Tingting Sun, Haitao Wang, Zhi Zhang, Yan Jin
The efficacy of opioids in patients with chronic neuropathic pain remains controversial. Although activation of δ-opioid receptors (DORs) in the brainstem reduces inflammation-induced persistent hyperalgesia, it is not effective under persistent neuropathic pain conditions and these clinical problems remain largely unknown. In this study, by using a chronic constriction injury (CCI) of the sciatic nerve in rats, we found that in the brainstem nucleus raphe magnus (NRM), DORs emerged on the surface membrane of central synaptic terminals on day 3 after CCI surgery and disappeared on day 14...
September 17, 2016: Neuroscience
Liping Wang, Tian-Zhi Guo, Tzuping Wei, Wen-Wu Li, Xiaoyou Shi, J David Clark, Wade S Kingery
BACKGROUND: Bisphosphonates are used to prevent the bone loss and fractures associated with osteoporosis, bone metastases, multiple myeloma, and osteogenesis deformans. Distal limb fractures cause regional bone loss with cutaneous inflammation and pain in the injured limb that can develop into complex regional pain syndrome (CRPS). Clinical trials have reported that antiresorptive bisphosphonates can prevent fracture-induced bone loss, inhibit serum inflammatory cytokine levels, and alleviate CRPS pain...
October 2016: Anesthesia and Analgesia
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