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Regional nerve block

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https://www.readbyqxmd.com/read/28326977/effects-of-buprenorphine-added-to-bupivacaine-infraorbital-nerve-blocks-on-isoflurane-minimum-alveolar-concentration-using-a-model-for-acute-dental-oral-surgical-pain-in-dogs
#1
Lindsey B C Snyder, Christopher J Snyder, Scott Hetzel
Bupivacaine appears to have a duration of action longer than previously reported. Results of this study demonstrate that the addition of buprenorphrine may enhance the analgesic duration of effect for bupivacaine regional nerve blocks. In addition, the use of bupivacaine alone may have analgesia that exceeds 24 hours in many cases. Although not statistically significant based on sample size, 50% of dogs receiving the bupivacaine/buprenorphine regional anesthetic block demonstrated a decreased anesthetic requirement 48 hours postadministration when compared to 25% of dogs receiving the bupivacaine anesthetic...
June 2016: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/28306578/selective-low-volume-nerve-block-for-the-open-surgical-fixation-of-a-midshaft-clavicle-fracture-in-a-conscious-high-risk-patient-a-case-report
#2
Carlos I Salvadores de Arzuaga, José M Naya Sieiro, Oscar Salmeron Zafra, Miguel A González Posada, Esther Marquez Martínez
We report a case of successful intraoperative management using only low-volume regional anesthesia for the open surgical fixation of a traumatic clavicle fracture in a conscious 69-year-old man with severe chronic obstructive pulmonary disease. To avoid general anesthesia, we provided low-volume C5 and C6 nerve root blocks along with a superficial cervical plexus block using only 9 mL of anesthetic solution to avoid the often encountered complications of higher volume injections. Throughout the procedure, the patient remained comfortable and cooperative with stable hemodynamics and respiration...
March 16, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28299433/mri-guided-cryoablation-of-the-posterior-femoral-cutaneous-nerve-for-the-treatment-of-neuropathy-mediated-sitting-pain
#3
Dharmdev H Joshi, Gaurav K Thawait, Filippo Del Grande, Jan Fritz
Neuropathy of the posterior femoral cutaneous nerve may manifest as pain and paresthesia in the skin over the inferior buttocks, posterior thigh, and popliteal region. Current treatment options include physical and oral pain therapy, perineural injections, and surgical neurectomy. Perineural steroid injections may provide short-term pain relief; however, to our knowledge, there is currently no minimally invasive denervation procedure for sustained pain relief that could serve as an alternative to surgical neurectomy...
March 15, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28298303/ampa-receptor-mediated-rapid-epscs-in-vestibular-calyx-afferents
#4
Matthew Edward Kirk, Frances L Meredith, Tim A Benke, Katherine J Rennie
In the vestibular periphery neurotransmission between hair cells and primary afferent nerves occurs via specialized ribbon synapses. Type I vestibular hair cells (HCI) make synaptic contacts with calyx terminals, which enclose most of the HCI basolateral surface. To probe synaptic transmission, whole cell patch clamp recordings were made from calyx afferent terminals isolated together with their mature HCI from gerbil crista. Neurotransmitter release was measured as excitatory postsynaptic currents (EPSCs) in voltage clamp...
March 15, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28294508/transversus-abdominis-plane-block-for-the-diagnosis-and-treatment-of-chronic-abdominal-wall-pain-following-surgery-a-case-series
#5
Marco Baciarello, Greta Migliavacca, Maurizio Marchesini, Adriana Valente, Massimo Allegri, Guido Fanelli
OBJECTIVE: The transversus abdominis plane (TAP) block is a relatively simple regional anesthesia technique which entails the injection of local anesthetics (LA) into the interfascial plane between the internal oblique and transversus abdominis muscles, where nerves supplying the anterolateral abdominal wall course. It is widely used for acute pain management following abdominal surgical procedures. We describe a series of cases in which TAP blocks were used to aid in the diagnosis and treatment of chronic abdominal wall pain (CAWP)...
March 14, 2017: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/28284967/etiology-treatment-modalities-of-occipital-artery-aneurysms
#6
Nauman S Chaudhry, Brandon G Gaynor, Shahrose Hussain, Paul D Dernbach, Mohammad A Aziz-Sultan
BACKGROUND: Aneurysms of the external carotid artery represent approximately 2% of cervical carotid aneurysms with the majority being traumatic pseudoaneurysms. The diagnosis, treatment, and follow-up of such lesions are completely individualized as there is a paucity of literature available for guidance. CASE DESCRIPTION: We report the case of an 83-year-old woman with an 8-week history of headache in the occipital region, transient episode of gait disturbance, and pulsatile tinnitus on the right...
March 8, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28282364/lung-ultrasound-for-the-regional-anesthesiologist-and-acute-pain-specialist
#7
Stephen C Haskins, Ban C Tsui, Jemiel A Nejim, Christopher L Wu, Jan Boublik
In this article, we discuss the emerging role of lung point-of-care ultrasonography for regional anesthesiologists and pain management specialists. Lung ultrasonography is a well-established clinical tool that is used on a routine basis in emergency rooms and critical care units internationally to evaluate patients with respiratory distress; however, its benefits to the regional anesthesiologist and pain specialist are not as well known and are practiced less frequently. This review article covers the clinical evidence in support of lung point-of-care ultrasonography as a rapid and superior tool to traditional imaging modalities such as chest radiography and fluoroscopy...
March 10, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28277420/regional-to-the-rescue-axillary-brachial-plexus-nerve-block-facilitates-removal-of-entrapped-transradial-catheter-placed-for-cardiac-catheterization
#8
Brian M Fitzgerald, Lee A Babbel, Ferdinand K Bacomo, Sandeep T Dhanjal
OBJECTIVE: Our objective was to describe the first reported use of an axillary brachial plexus block to treat the entrapment of a transradial artery catheter due to vasospasm. CASE REPORT: A 42-year-old man undergoing transradial arterial cardiac catheterization suffered arterial vasospasm causing the catheter to become entrapped and refractory to conservative (warm compresses) and standard pharmacologic interventions (intracatheter verapamil, intravenous infusions of nitroglycerin and nicardipine, and subcutaneous lidocaine and topical nitroglycerin)...
March 8, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28277419/complications-after-continuous-posterior-lumbar-plexus-blockade-for-total-hip-arthroplasty-a-retrospective-cohort-study
#9
Catherine W Njathi, Rebecca L Johnson, Ruple S Laughlin, Darrell R Schroeder, Adam K Jacob, Sandra L Kopp
BACKGROUND AND OBJECTIVES: While benefits of regional anesthesia in total hip arthroplasty (THA) are well documented, data describing the incidence of complications related to the use of posterior lumbar plexus blockade for THA remain limited. Our primary aim was to evaluate the incidence of infectious, bleeding, and neurological complications related specifically to the use of continuous posterior lumbar plexus block for elective THA. METHODS: We reviewed the electronic medical records of all adult patients who underwent elective THA with continuous posterior lumbar plexus blockade between December 1, 2004, and April 30, 2015, using the Mayo Clinic Total Joint Registry...
March 8, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28273554/head-drop-after-botox-electrodiagnostic-evaluation-of-iatrogenic-botulinum-toxicity
#10
Eliza Szuch, James B Caress, Bandhu Paudyal, Allison Brashear, Michael S Cartwright, Roy E Strowd
BACKGROUND: Botulinum is a potent neurotoxin with increasing indications for neurologic disorders. While clinical benefit manifests primarily due to local actions at the neuromuscular junction, regional and systemic effects do occur. Rarely, systemic symptoms including weakness, dysarthria, dysphagia and other side effects occur as a result of iatrogenic botulinum neurotoxicity. CASE: A 72 year-old female with right leg dystonia developed head drop, bulbar and systemic weakness following right lower extremity botulinum toxin injection...
March 5, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28272292/the-erector-spinae-plane-block-provides-visceral-abdominal-analgesia-in-bariatric-surgery-a-report-of-3-cases
#11
Ki Jinn Chin, Laith Malhas, Anahi Perlas
Postoperative pain after bariatric surgery can be significant and yet difficult to manage. These patients frequently have associated obstructive sleep apnea and are at risk of respiratory depression with opioid analgesia. Abdominal wall blocks such as the subcostal transversus abdominis plane block are not of significant benefit, probably in part because they provide only somatic analgesia. The ultrasound-guided erector spinae plane (ESP) block is a recently described regional anesthetic technique for providing thoracic analgesia when performed at the level of the T5 transverse process...
March 8, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28271332/exparel-peripheral-catheter-use-in-the-ambulatory-setting-and-use-of-peripheral-catheters-postoperatively-in-the-home-setting
#12
REVIEW
Adam L Bromberg, Jeremy A Dennis, Karina Gritsenko
PURPOSE OF REVIEW: With the increasing number of ambulatory surgeries being performed, regional anesthesia has become an increasingly popular anesthetic modality, and many choices exist to provide efficient, effective quality perioperative analgesia. In this paper, we will review the various regional anesthesia options in addition to the advantages and disadvantages of each. Lastly, we will discuss liposomal bupivicaine, a long acting local anesthetic, and its future role in the anesthesiologist's armamentarium...
March 2017: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/28270689/dna-methyltransferase-dnmt3a-contributes-to-neuropathic-pain-by-repressing-kcna2-in-primary-afferent-neurons
#13
Jian-Yuan Zhao, Lingli Liang, Xiyao Gu, Zhisong Li, Shaogen Wu, Linlin Sun, Fidelis E Atianjoh, Jian Feng, Kai Mo, Shushan Jia, Brianna Marie Lutz, Alex Bekker, Eric J Nestler, Yuan-Xiang Tao
Nerve injury induces changes in gene transcription in dorsal root ganglion (DRG) neurons, which may contribute to nerve injury-induced neuropathic pain. DNA methylation represses gene expression. Here, we report that peripheral nerve injury increases expression of the DNA methyltransferase DNMT3a in the injured DRG neurons via the activation of the transcription factor octamer transcription factor 1. Blocking this increase prevents nerve injury-induced methylation of the voltage-dependent potassium (Kv) channel subunit Kcna2 promoter region and rescues Kcna2 expression in the injured DRG and attenuates neuropathic pain...
March 8, 2017: Nature Communications
https://www.readbyqxmd.com/read/28269192/a-probabilistic-framework-based-on-slic-superpixel-and-gaussian-processes-for-segmenting-nerves-in-ultrasound-images
#14
Julian Gil Gonzalez, Mauricio A Alvarez, Alvaro A Orozco
We deal with an important problem in the field of anesthesiology known as automatic segmentation of nerve structures depicted in ultrasound images. This is important to aid the experts in anesthesiology, in order to carry out Peripheral Nerve Blocking (PNB). Ultrasound imaging has gained recent interest for performing PNB procedures since it offers a non-invasive visualization of the nerve and the anatomical structures around it. However, the location of these nerves in ultrasound images is a difficult task for the specialist due to the artifacts (i...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28267068/sensory-distribution-of-the-lateral-cutaneous-nerve-of-forearm-after-ultrasound-guided-block-potential-implications-for-thumb-base-surgery
#15
Christopher S Hasenkam, Gregory A Hoy, Paul F Soeding
Surgery of the wrist and hand commonly involves regional anesthesia of the median nerve and superficial radial nerve within the forearm. In this sonographic study, the contribution of the lateral cutaneous nerve of forearm (LCNF) to thumb cutaneous sensation was studied. Patients scheduled for thumb suspension arthroplasty (n = 35) were examined by ultrasound, with LCNF, median nerve, and superficial radial nerve identified. A single nerve was then injected with local anesthetic, and the area of cutaneous sensory loss mapped at 15 minutes...
March 6, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28267064/nerve-injury-induced-epigenetic-silencing-of-opioid-receptors-controlled-by-dnmt3a-in-primary-afferent-neurons
#16
Linlin Sun, Jian-Yuan Zhao, Xiyao Gu, Lingli Liang, Shaogen Wu, Kai Mo, Jian Feng, Weixiang Guo, Jun Zhang, Alex Bekker, Xinyu Zhao, Eric J Nestler, Yuan-Xiang Tao
Opioids are the gold standard for pharmacological treatment of neuropathic pain, but their analgesic effects are unsatisfactory in part due to nerve injury-induced downregulation of opioid receptors in dorsal root ganglia (DRG) neurons. How nerve injury drives such downregulation remains elusive. DNA methyltransferase-(DNMT-) triggered DNA methylation represses gene expression. We show here that blocking the nerve injury-induced increase in DRG DNMT3a (a de novo DNMT) rescued the expression of Oprm1 and Oprk1 mRNAs and their respective encoding mu opioid receptor (MOR) and kappa opioid receptor (KOR) proteins in the injured DRG...
March 4, 2017: Pain
https://www.readbyqxmd.com/read/28265859/new-cancer-pain-treatment-options
#17
REVIEW
Kenneth D Candido, Teresa M Kusper, Nebojsa Nick Knezevic
PURPOSE OF REVIEW: Cancer pain is often incapacitating and discouraging to patients; is demoralizing to family members and care takers; and is taxing and difficult to subdue for the pain specialists. The consequences of implementing suboptimal treatment are far-reaching; therefore, effective treatment methods are in a great demand. The face of cancer pain management has changed in considerable ways, and interventional procedures have become an integral part of providing multimodal analgesia in cancer pain treatment...
February 2017: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/28258838/ultrasound-guided-axillary-nerve-block-for-emergency-department-incision-and-drainage-of-deltoid-abscess
#18
Claire Lyons, Andrew A Herring
Deltoid abscesses are common and painful, often a consequence of injection drug use and seen frequently in emergency departments (EDs). The required incision and drainage can be completed successfully with effective pain relief using a peripheral nerve block. The brachial plexus nerve block works well, however it is technically complex with a low, but potentially serious, risk of complications such as phrenic nerve paralysis. Selective blockade of the axillary nerve eliminates the risks associated with a brachial plexus block, while providing more specific anesthesia for the deltoid region...
February 1, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28252542/regional-anesthesia-with-noninvasive-ventilation-for-shoulder-surgery-in-a-patient-with-severe-chronic-obstructive-pulmonary-disease-a-case-report
#19
Fabrice Ferré, Nina Cugnin, Charlotte Martin, Philippe Marty, Nicolas Bonnevialle, Matt Kurrek, Vincent Minville
Interscalene block (ISB) impairs ipsilateral lung function and generally is not used for patients with respiratory insufficiency. We present a 49-year-old man with chronic obstructive pulmonary disease scheduled for shoulder surgery. He was given a regional technique with an ISB (short-acting local anesthetic to minimize duration of diaphragmatic dysfunction) and suprascapular and axillary nerves blocks (long-acting local anesthetic). He was supported with noninvasive ventilation during the time of hemidiaphragmatic paralysis as documented by serial ultrasound examination...
March 1, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28252523/perineural-versus-intravenous-dexamethasone-as-an-adjuvant-for-peripheral-nerve-blocks-a-systematic-review-and-meta-analysis
#20
Matthew Alan Chong, Nicolas Matthew Berbenetz, Cheng Lin, Sudha Singh
BACKGROUND AND OBJECTIVES: Dexamethasone is a useful adjuvant in regional anesthesia that is used to prolong the duration of analgesia for peripheral nerve blocks. Recent randomized controlled trials (RCTs) have demonstrated conflicting results as to whether perineural versus intravenous (IV) administration is superior in this regard, and the perineural use of dexamethasone remains off-label. Therefore, we sought to perform a systematic review and meta-analysis of RCTs. METHODS: In accordance with PRISMA guidelines, we performed a random-effects meta-analysis of RCTs comparing perineural versus IV dexamethasone with duration of analgesia as the primary outcome...
March 1, 2017: Regional Anesthesia and Pain Medicine
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