646 results match your criteria Nerve Block Radial


Closed Reduction of Pediatric Distal Radial Fractures and Epiphyseal Separations.

JBJS Essent Surg Tech 2020 Oct-Dec;10(4). Epub 2020 Nov 19.

Texas Children's Hospital, Houston, Texas.

Background: Sedated, closed reduction of a displaced distal radial fracture followed by cast immobilization is indicated in cases of unacceptable alignment on post-splint imaging. The aim of this procedure is to obtain acceptable reduction and cast immobilization for fracture-healing.

Description: The patient is positioned supine with the injured arm on the image intensifier. Read More

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November 2020

Displaced distal radius fracture: reduction, follow-up, and clinical outcomes : learning from a pragmatic approach during the 2020 COVID-19 lockdown transition.

Bone Jt Open 2021 May;2(5):338-343

Nottingham University Hospitals NHS Trust, Queens Medical Centre, Nottingham, UK.

Aims: Displaced distal radius fractures were investigated at a level 1 major trauma centre during the COVID-19 2020 lockdown due to the implementation of temporary changes in practice. The primary aim was to establish if follow-up at one week in place of the 72-hour British Orthopaedic Association Standards for Trauma & Orthopaedics (BOAST) guidance was safe following manipulation under anaesthetic. A parallel adaptation during lockdown was the non-expectation of Bier's block. Read More

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Real-time visualisation of peripheral nerve trauma during subepineural injection in pig brachial plexus using micro-ultrasound.

Br J Anaesth 2021 May 15. Epub 2021 May 15.

Sunnybrook Research Institute, Toronto, Ontario, Canada; Department of Medical BioPhysics, University of Toronto, Toronto, Canada.

Background: Nerve damage is consistently demonstrated after subepineural injection in animal studies, but not after purposeful injection in patients participating in clinical studies. There is a need to better visualise nerves in order to understand the structural changes that occur during subepineural injection.

Methods: We scanned the brachial plexuses of three anaesthetised pigs using micro-ultrasound imaging (55-22 MHz probe), inserted 21 gauge block needles into the radial, median, and axillary nerves, and injected two 0. Read More

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Utility of Preoperative Electrodiagnosis Together with Peripheral Nerve High-Resolution Ultrasound: A Complex Case Report of Neurofibromatosis Type I.

J Neurol Surg A Cent Eur Neurosurg 2021 Apr 12. Epub 2021 Apr 12.

Department of Neurology, Azienda Ospedaliera Universitaria Integrata Verona, Verona, Veneto, Italy.

Our case report underscores the importance of electroneuromyography (ENMG) combined with peripheral nerve high-resolution ultrasound (HRUS) in the evaluation of neurofibromatosis type 1 (NF1). A 49-year-old woman affected by NF1 came to our attention because of new-onset left arm weakness and atrophy. Debulking of a cervicothoracic C7-T1 neurofibroma had been performed 8 years earlier. Read More

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Does radial or median nerve blocks affect the area and blood flow of radial artery?

Anaesth Crit Care Pain Med 2021 Apr 18;40(2):100831. Epub 2021 Mar 18.

Department of Burn & Plastic Surgery, All India Institute of Medical Sciences (AIIMS), Patna, India.

Background And Aims: Radial artery is a common site of cannulation in acute care setting. There are conflicting reports as to which nerve, radial or median or both supplies the radial artery. We did this prospective study in patients undergoing minor procedures under peripheral nerve blocks to ascertain which nerve block, radial or median increases the cross sectional area and blood flow in the radial artery. Read More

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Pain Perception During the Phases of Manual Reduction of Distal End Radius Fracture With a Periosteal Block.

Cureus 2021 Jan 13;13(1):e12691. Epub 2021 Jan 13.

Department of Orthopaedics and Traumatology, Universiti Kebangsaan Malaysia, Kuala Lumpur, MYS.

Introduction Closed reduction is an effective method of treatment for distal end radius fractures. We present a case series of patients with distal end radius fractures who underwent closed manipulative reduction using the periosteal block. We describe the technique in detail and examine its efficacy in pain lowering effect during closed reduction. Read More

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January 2021

A Randomized Comparison Between Two Injections from Two Planes versus Two Injections with a Uniplanar Approach for Ultrasound-Guided Supraclavicular Block.

Pain Physician 2021 01;24(1):E15-E21

Department of Anesthesiology and Pain Medicine, Gachon University, Gil Medical Center, Incheon, South Korea.

Background: The brachial plexus courses along the lateral to posterior aspect of the subclavian artery located within the supraclavicular region as a trunk or division. Therefore we hypothesized that 2 injections, one along the lateral and one along the posterior aspect of the brachial plexus, could be performed by changing the angle of the ultrasound probe, thereby achieving a 3-dimensional (3-D) even distribution of local anesthetics. Previously, we confirmed the efficacy of this type of approach with that of a single cluster approach. Read More

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January 2021

Application of Midazolam Injection in Patients with Intraoperative Nerve Block Anesthesia and Sedation Assisted by Imaging Guidance.

World Neurosurg 2021 May 27;149:453-460. Epub 2020 Nov 27.

Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, China. Electronic address:

Objective: In the present study, we explored the clinical effect of midazolam as an adjuvant analgesic and tranquilizer after brachial plexus block anesthesia with the aid of imaging guidance.

Methods: We selected 106 patients who had undergone elective unilateral upper extremity surgery from January 2017 to December 2019 and randomly divided them into groups A and B, with 53 cases in each group. All the patients had undergone brachial plexus block anesthesia. Read More

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Surface Landmarks to Provide a Safe Ulnar Nerve Block in the Wrist: Anatomical Study and Literature Review.

Eplasty 2020 19;20:e12. Epub 2020 Oct 19.

Division of Plastic and Reconstructive Surgery, Department of Surgery.

Use of local anesthesia in awake patients undergoing hand surgery has become increasingly popular. A thorough understanding of local anatomy, such as the distal wrist for ulnar nerve block, is required to provide safe blockade. We sought to conduct an anatomic study of the distal wrist and review cadaveric studies describing various techniques for ulnar nerve block. Read More

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October 2020

Efficacy of a single injection compared with triple injections using a costoclavicular approach for infraclavicular brachial plexus block during forearm and hand surgery: A randomized controlled trial.

Medicine (Baltimore) 2020 Oct;99(43):e22739

Department of Anesthesiology and Pain Medicine, Korea University College of Medicine, Anam Hospital, Seoul.

Objectives: It was recently proposed that a costoclavicular (CC) approach can be used in ultrasound (US)-guided infraclavicular brachial plexus block (BPB). In this study, we hypothesized that triple injections in each of the 3 cords in the CC space would result in a greater spread in the 4 major terminal nerves of the brachial plexus than a single injection in the CC space without increasing the local anesthetic (LA) volume.

Methods: Sixty-eight patients who underwent upper extremity surgery randomly received either a single injection (SI group, n = 34) or a triple injection (TI group, n = 34) using the CC approach. Read More

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October 2020

Incidence of peripheral nerve injury in revision total shoulder arthroplasty: an intraoperative nerve monitoring study.

J Shoulder Elbow Surg 2020 Oct 20. Epub 2020 Oct 20.

Department of Shoulder and Elbow Surgery, Rothman Orthopaedic Institute, Philadelphia, PA, USA.

Background: The incidence of nerve injuries in revision total shoulder arthroplasty (TSA) is not well defined in the literature and may be higher than that in primary procedures, with 1 study reporting a complication rate of 50% for shoulder revisions. Given that continuous intraoperative nerve monitoring (IONM) can be an effective tool in diagnosing evolving neurologic dysfunction and preventing postoperative injuries, the purpose of this study was to report on IONM data and nerve injury rates in a series of revision TSAs.

Methods: A retrospective cohort review of consecutive patients who underwent revision TSA was performed from January 2016 to March 2020. Read More

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October 2020

[Radial nerve entrapment in the spiral groove. Nerve block as a diagnostic and therapeutic tool].

Rehabilitacion (Madr) 2021 Apr-Jun;55(2):153-156. Epub 2020 Oct 14.

Servicio de Rehabilitación, Complexo Hospitalario Universitario A Coruña, A Coruña, España.

The radial nerve has a long and sinuous course in the upper limb from the axilla to the hand and fingers. There are several possible areas of compression along this trajectory, the most frequent being on the Arcade of Frohse, with entrapment of its terminal nerve, the posterior interosseous nerve. We report the case of a patient with radial nerve entrapment in the spiral groove and describe how ultrasound and nerve blocks could be useful in diagnosis and treatment. Read More

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October 2020

Anatomic surface landmarks to guide injection for posterior interosseous nerve block.

J Plast Surg Hand Surg 2021 Feb 10;55(1):17-20. Epub 2020 Oct 10.

Division of Plastic and Reconstructive Surgery, Department of Surgery, University of Louisville, Louisville, KY, USA.

Proper injection of the posterior interosseous nerve (PIN) is important for both the therapeutic and diagnostic management of wrist pain. However, no anatomical study exists describing the site of injection based on individual wrist width. We sought to develop a reproducible anthropometric ratio utilizing external wrist surface anatomy to predict a safe and accurate injection site for the PIN. Read More

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February 2021

Cheiralgia Paresthetica or Superficial Radial Sensory Mononeuropathy: A Simple Diagnosis, A Simple Solution, and a Side Note on the Pathophysiology of the Tinel Sign.

Cureus 2020 Sep 3;12(9):e10224. Epub 2020 Sep 3.

Neurology, Flowers Medical Group, Dothan, USA.

We describe the case of a sculptor who developed superficial radial neuropathy (SRN) due to blunt trauma from striking a chisel for 30 years. The lesion was localized by the anatomical topography of the superficial radial nerve, a " hot " Tinel sign, and the graphic demonstration of reduced superficial radial sensory amplitude on a nerve conduction study (NCS). Our patient also responded to a strategically placed peripheral nerve block. Read More

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September 2020

Management of Monteggia Injuries in the Adult.

Hand Clin 2020 11 2;36(4):479-484. Epub 2020 Sep 2.

The CORE Institute, 18444 North 25th Avenue #210, Phoenix, AZ 85023, USA.

Monteggia fracture-dislocation of the elbow is a fracture of the proximal ulna with associated dislocation of the radial head or radial neck fracture. In adults, this injury is managed with open reduction and internal fixation of the ulna fracture. Care should be taken to ensure anatomic reduction of the proximal ulna. Read More

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November 2020

Different distributions of nerve demyelination in chronic acquired multifocal polyneuropathies.

Chin Med J (Engl) 2020 Nov;133(21):2558-2564

Department of Neurology, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200127, China.

Background: Multifocal motor neuropathy (MMN), Lewis-Sumner syndrome (LSS), and many chronic inflammatory demyelinating polyradiculoneuropathies (CIDPs) are representative of acquired multifocal polyneuropathy and are characterized by conduction block (CB). This retrospective study aimed to investigate the demyelinating distribution and the selective vulnerability of MMN, LSS, and CIDP with CB (CIDP-CB) in nerves.

Methods: Fifteen LSS subjects (107 nerves), 24 MMN subjects (176 nerves), and 17 CIDP-CB subjects (110 nerves) were included. Read More

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November 2020

Lateral ultrasound-guided axillary RUMM block in cats: a pilot cadaveric study.

J Feline Med Surg 2021 Apr 14;23(4):310-315. Epub 2020 Aug 14.

University Teaching Hospital Camperdown, The University of Sydney, Camperdown, Australia.

Objectives: This study aimed to describe the prominent landmarks for an in-plane ultrasound-guided lateral approach to an axillary RUMM block in cats and document the anatomical distribution of injected solution in cadavers.

Methods: Eleven mixed breed, frozen-thawed cat cadavers were used. The ultrasound probe was placed on the lateral aspect of the forelimb. Read More

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Development of a lateral ultrasound-guided approach for the proximal radial, ulnar, median and musculocutaneous (RUMM) nerve block in cats.

Vet Anaesth Analg 2020 Sep 15;47(5):686-693. Epub 2020 May 15.

Department of Comparative, Diagnostic, and Population Medicine, College of Veterinary Medicine, University of Florida, Gainesville, FL, USA.

Objective: To describe a lateral ultrasound (US)-guided approach to the radial, ulnar, median and musculocutaneous (RUMM) nerves through a single proximal in-plane insertion in cats and to determine whether one or two injection points are required to successfully stain all the target nerves.

Study Design: Prospective study.

Animals: A total of eight client-owned healthy cats and 12 cat cadavers. Read More

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September 2020

An Algorithm for the Prevention and Treatment of Pain Complications of the Radial Forearm Free Flap Donor Site.

J Reconstr Microsurg 2020 Nov 29;36(9):680-685. Epub 2020 Jul 29.

Department of Plastic and Reconstructive Surgery, Johns Hopkins School of Medicine, Baltimore, Maryland.

Background:  The radial forearm free flap (RFFF) is a staple of microsurgical reconstruction. Significant attention has been paid to donor-site morbidity, particularly vascular and aesthetic consequences. Relatively few authors have discussed peripheral nerve morbidity such as persistent hypoesthesia, hyperesthesia, or allodynia in the hand and wrist or neuroma formation in the wrist and forearm. Read More

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November 2020

Radial motor nerve conduction studies in the upper arm.

Muscle Nerve 2020 09 5;62(3):363-368. Epub 2020 Jul 5.

Clinical Unit "Eleous" at Religious Community "All Saints Parish in Minsk Eparchy of Belarusian Orthodox Church,", Minsk, Belarus.

Introduction: The main goal of this study was to determine the contribution of the anterior forearm muscles to the compound muscle action potential (CMAP) recorded from the extensor digitorum (ED) after proximal stimulation.

Methods: Twenty-one healthy volunteers and 114 patients with compressive and traumatic radial neuropathies were examined. Stimulation was carried out at six different points: distal third of the upper arm; Erb's point; axilla; medial upper arm; antecubital fossa; and ulnar groove. Read More

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September 2020

Strategy for the treatment of lateral epicondylitis of the elbow using denervation surgery.

JSES Int 2020 Mar 16;4(1):21-24. Epub 2019 Dec 16.

Department of Orthopaedic Surgery, Yamagata University Faculty of Medicine, Yamagata, Japan.

Background: A number of treatments for lateral epicondylitis of the elbow have been described. We have developed a strategy for the treatment of this condition.

Methods: We diagnosed lateral epicondylitis of the elbow in 86 patients. Read More

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Infraclavicular nerve block reduces postoperative pain after distal radial fracture fixation: a randomized controlled trial.

BMC Anesthesiol 2020 05 28;20(1):130. Epub 2020 May 28.

Laboratory and Clinical Research Institute for Pain, Department of Anaesthesiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Queen Mary Hospital, Room 424, Block K, 102, Pokfulam Road, Hong Kong SAR, China.

Background: It is unclear whether regional anesthesia with infraclavicular nerve block or general anesthesia provides better postoperative analgesia after distal radial fracture fixation, especially when combined with regular postoperative analgesic medications. The aim of this study was to compare the postoperative analgesic effects of regional versus general anesthesia.

Methods: In this prospective, observer blinded, randomized controlled trial, 52 patients undergoing distal radial fracture fixation received either general anesthesia (n = 26) or regional anesthesia (infraclavicular nerve block, n = 26). Read More

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Nerve Blocks: Part I. Upper Extremity.

Am Fam Physician 2020 06;101(11):654-664

Uniformed Services University of the Health Sciences, Bethesda, MD, USA.

Procedural anesthesia is administered by family physicians for a variety of conditions, including neuropathies, fracture reduction, foreign body removals, and complex wound management. A nerve block may be preferred because it provides effective regional anesthesia with less anesthetic. Nerve blocks require a thorough understanding of relevant anatomy, aiding the physician in optimizing the anesthesia effect while minimizing complications. Read More

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Upper extremity regional anesthesia techniques: A comprehensive review for clinical anesthesiologists.

Best Pract Res Clin Anaesthesiol 2020 Mar 20;34(1):e13-e29. Epub 2019 Jul 20.

Department of Anesthesiology, LSU Health Sciences Center, Room 656, 1542 Tulane Ave., New Orleans, LA 70112, USA. Electronic address:

Surgeries and chronic pain states of the upper extremity are quite common and pose unique challenges for the clinical anesthesiology and pain specialists. Most innervation of the upper extremity involves the brachial plexus. The four most common brachial plexus blocks performed in clinical setting include the interscalene, supraclavicular, infraclavicular, and axillary brachial plexus blocks. Read More

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Comparison of the Ketamine-Lidocaine and Fentanyl-Lidocaine in Postoperative Analgesia in Axillary Block in Upper Limb Fractures By Ultrasound Guidance.

Anesth Pain Med 2019 Dec 1;9(6):e92695. Epub 2019 Dec 1.

Department of Anesthesiology, Pain Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.

Background: Regional anesthesia provides safe anesthesia for upper extremity surgery. Axillary plexus block approach for hand and forearm surgery is commonly used. The use of adjuvants in combination with local anesthetics for peripheral nerve blocks enhances the quality and duration of anesthesia and postoperative analgesia. Read More

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December 2019

Combined effect of left stellate ganglion blockade and topical administration of papaverine on left internal thoracic artery blood flow in patients undergoing coronary revascularization.

Ann Card Anaesth 2020 Apr-Jun;23(2):170-176

Department of CVTS, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, Kerala, India.

Background: Left stellate ganglion blockade (LSGB) may have additive effect to topical administration of papaverine on prevention of vasospasm of left internal thoracic artery (LITA).

Aims: This study aims to compare LITA blood flow with topical application of papaverine alone or in combination with LSGB.

Setting: Tertiary care hospital. Read More

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Saline vs. dextrose for local anesthetic dilution in brachial plexus block: A randomized study.

Pak J Pharm Sci 2020 Jan;33(1):79-83

Tracheal Diseases Research Center, Department of Anesthesiology and Critical Care, Akhtar Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Higher sodium ions in saline diluted local anesthetic may reduce the anesthetic action of the drug as injected around the nerves. However, the impact of local anesthetic dilution agents on the quality of peripheral nerve blockades has not yet been widely investigated. This study was aimed at evaluating the impact of lidocaine dilution with normal saline vs dextrose 5% on onset time of supraclavicular approach to brachial plexus block. Read More

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January 2020

The new micropatterned interdigitated electrode for selective assessment of the nociceptive system.

Eur J Pain 2020 05 27;24(5):956-966. Epub 2020 Feb 27.

Department of Human Neuroscience, Sapienza University, Rome, Italy.

Background: In this neurophysiological study, we aimed at verifying the nociceptive selectivity of the new, micropatterned electrode (150IDE), recently designed to generate an electric field limited to the intraepidermal free nerve endings.

Methods: Using the new 150IDE, we recorded evoked potentials after stimulation of the face and hand dorsum in 22 healthy participants and in patients with exemplary conditions selectively affecting the nociceptive system. We also measured the peripheral conduction velocity at the upper arm and verified the nociceptive selectivity of 150IDE assessing the effect of a selective block of nociceptive nerve fibres of radial nerve with local anaesthetic infiltration. Read More

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Percutaneous pinning for treating distal radial fractures in adults.

Cochrane Database Syst Rev 2020 02 7;2:CD006080. Epub 2020 Feb 7.

Cairo University, KasrAlAiny School of Medicine, Cairo, Egypt.

Background: Fracture of the distal radius is a common clinical problem. A key method of surgical fixation is percutaneous pinning, involving the insertion of wires through the skin to stabilise the fracture. This is an update of a Cochrane Review published in 2007. Read More

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February 2020

[Distal hand block].

Oper Orthop Traumatol 2020 Feb 2;32(1):23-28. Epub 2020 Jan 2.

Klinik für Unfallchirurgie, Orthopädie und Plastische Chirurgie, Universitätsmedizin Göttingen, Göttingen, Deutschland.

Objective: Peripheral nerve blocks in hand surgery.

Indications: Short operations on the hand.

Contraindications: Long operations, polyneuropathy, local anesthesia allergy. Read More

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February 2020