Andrew Gray, MD, PhD

Professor of Clinical Anesthesia

Sun LY, Gray AT, Braehler MR. Post-surgical inflammatory neuropathy after anterior cruciate ligament repair: a case report. Perioper Med (Lond). 2024 Apr 02; 13(1):26.
Thind BS, Simon SG, Gray AT. The Hypoechoic Triangle: A New Sonographic Landmark for Rectus Sheath Block. A A Pract. 2024 Apr 01; 18(4):e01761.
Chinn GA, Gray AT, Larson MD. Overcoming Obstacles: The Legacy of Fidel Pagés, Founder of the Epidural, 100 Years After His Passing. Anesth Analg. 2024 Feb 01; 138(2):475-479.
Hadaya IA, Gray AT, Braehler MR. Baclofen Pump Replacement in a Patient With End-Stage Amyotrophic Lateral Sclerosis: A Case Report Demonstrating Transversus Abdominis Plane Block as the Sole Anesthetic. A A Pract. 2018 May 15; 10(10):251-253.
Elsharkawy H, Kashy BK, Babazade R, Gray AT. Ultrasound Detection of Arteria Comitans: A Novel Technique to Locate the Sciatic Nerve. Reg Anesth Pain Med. 2018 Jan; 43(1):57-61.
Barrington MJ, Gray AT. Is temporal association between popliteal-sciatic block and nerve injury sufficient evidence to assign etiology? Muscle Nerve. 2018 03; 57(3):E113.
Gray AT, Mould E, Royall CP, Williams I. Structural characterisation of polycrystalline colloidal monolayers in the presence of aspherical impurities. J Phys Condens Matter. 2015 May 20; 27(19):194108.
Wolf FA, Gray AT. Sonography of the paraneural sheath of the sciatic nerve in the popliteal fossa: more than a bifurcation. Reg Anesth Pain Med. 2014 May-Jun; 39(3):260-1.
Lew VK, Gray AT. An unusual transversus abdominis plane block: anatomic variation in the internal oblique muscle. Anesthesiology. 2013 Nov; 119(5):1209.
Boyd BS, Gray AT, Dilley A, Wanek L, Topp KS. The pattern of tibial nerve excursion with active ankle dorsiflexion is different in older people with diabetes mellitus. Clin Biomech (Bristol, Avon). 2012 Nov; 27(9):967-71.
Gray AT, Laur JJ. Regional anesthesia for ambulatory surgery: where ultrasound has made a difference. Int Anesthesiol Clin. 2011; 49(4):13-21.
Boyd BS, Wanek L, Gray AT, Topp KS. Mechanosensitivity during lower extremity neurodynamic testing is diminished in individuals with Type 2 Diabetes Mellitus and peripheral neuropathy: a cross sectional study. BMC Neurol. 2010 Aug 28; 10:75.
Cohen JM, Gray AT. Functional deficits after intraneural injection during interscalene block. Reg Anesth Pain Med. 2010 Jul-Aug; 35(4):397-9.
Gray AT, Drasner K. Safety of ultrasound-guided regional anesthesia. Anesthesiology. 2010 Jun; 112(6):1538-9.
Boyd BS, Wanek L, Gray AT, Topp KS. Mechanosensitivity of the lower extremity nervous system during straight-leg raise neurodynamic testing in healthy individuals. J Orthop Sports Phys Ther. 2009 Nov; 39(11):780-90.
Gray AT. The conjoint tendon of the latissimus dorsi and teres major: an important landmark for ultrasound-guided axillary block. Reg Anesth Pain Med. 2009 Mar-Apr; 34(2):179-80.
Kessler J, Schafhalter-Zoppoth I, Gray AT. An ultrasound study of the phrenic nerve in the posterior cervical triangle: implications for the interscalene brachial plexus block. Reg Anesth Pain Med. 2008 Nov-Dec; 33(6):545-50.
Krombach J, Gray AT. Sonography for saphenous nerve block near the adductor canal. Reg Anesth Pain Med. 2007 Jul-Aug; 32(4):369-70.
Kessler J, Gray AT. Course of the spinal accessory nerve relative to the brachial plexus. Reg Anesth Pain Med. 2007 Mar-Apr; 32(2):174-6.
Soong J, Schafhalter-Zoppoth I, Gray AT. Sonographic imaging of the obturator nerve for regional block. Reg Anesth Pain Med. 2007 Mar-Apr; 32(2):146-51.
Kessler J, Gray AT. Sonography of scalene muscle anomalies for brachial plexus block. Reg Anesth Pain Med. 2007 Mar-Apr; 32(2):172-3.
Kessler J, Bolger AF, Gray AT. An essential skill. Reg Anesth Pain Med. 2006 Nov-Dec; 31(6):498-500.
Collins AB, Gray AT, Kessler J. Ultrasound-guided supraclavicular brachial plexus block: a modified Plumb-Bob technique. Reg Anesth Pain Med. 2006 Nov-Dec; 31(6):591-2.
Kessler J, Schafhalter-Zoppoth I, Gray AT. Allergic contact dermatitis caused by ultrasonic gel. Reg Anesth Pain Med. 2006 Sep-Oct; 31(5):480-1.
Gray AT. Ultrasound-guided regional anesthesia: current state of the art. Anesthesiology. 2006 Feb; 104(2):368-73, discussion 5A.
Soong J, Schafhalter-Zoppoth I, Gray AT. The importance of transducer angle to ultrasound visibility of the femoral nerve. Reg Anesth Pain Med. 2005 Sep-Oct; 30(5):505.
Schafhalter-Zoppoth I, Gray AT. The musculocutaneous nerve: ultrasound appearance for peripheral nerve block. Reg Anesth Pain Med. 2005 Jul-Aug; 30(4):385-90.
Gray AT, Schafhalter-Zoppoth I. "Bayonet artifact" during ultrasound-guided transarterial axillary block. Anesthesiology. 2005 Jun; 102(6):1291-2.
Gray AT. Role of ultrasound in startup regional anesthesia practice for outpatients. Int Anesthesiol Clin. 2005; 43(3):69-78.
Gray AT, Huczko EL, Schafhalter-Zoppoth I. Lateral popliteal nerve block with ultrasound guidance. Reg Anesth Pain Med. 2004 Sep-Oct; 29(5):507-9.
Schafhalter-Zoppoth I, Younger SJ, Collins AB, Gray AT. The "seesaw" sign: improved sonographic identification of the sciatic nerve. Anesthesiology. 2004 Sep; 101(3):808-9.
Schafhalter-Zoppoth I, McCulloch CE, Gray AT. Ultrasound visibility of needles used for regional nerve block: an in vitro study. Reg Anesth Pain Med. 2004 Sep-Oct; 29(5):480-8.
Schafhalter-Zoppoth I, Zeitz ID, Gray AT. Inadvertent femoral nerve impalement and intraneural injection visualized by ultrasound. Anesth Analg. 2004 Aug; 99(2):627-8.
Gray AT, Schafhalter-Zoppoth I. A concerning direction. Anesthesiology. 2004 May; 100(5):1325; author reply 1326-7.
Schafhalter-Zoppoth I, Gray AT. Ultrasound-guided ulnar nerve block in the presence of a superficial ulnar artery. Reg Anesth Pain Med. 2004 May-Jun; 29(3):297-8.
Gray AT, Collins AB, Schafhalter-Zoppoth I. Sciatic nerve block in a child: a sonographic approach. Anesth Analg. 2003 Nov; 97(5):1300-1302.
Xing Y, Zhang Y, Stabernack CR, Eger EI, Gray AT. The use of the potassium channel activator riluzole to test whether potassium channels mediate the capacity of isoflurane to produce immobility. Anesth Analg. 2003 Oct; 97(4):1020-1024.
Sonner JM, Antognini JF, Dutton RC, Flood P, Gray AT, Harris RA, Homanics GE, Kendig J, Orser B, Raines DE, Trudell J, Vissel B, Eger EI. Inhaled anesthetics and immobility: mechanisms, mysteries, and minimum alveolar anesthetic concentration. Anesth Analg. 2003 Sep; 97(3):718-740.
Gray AT, Schafhalter-Zoppoth I. Ultrasound guidance for ulnar nerve block in the forearm. Reg Anesth Pain Med. 2003 Jul-Aug; 28(4):335-9.
Gerstin KM, Gong DH, Abdallah M, Winegar BD, Eger EI, Gray AT. Mutation of KCNK5 or Kir3.2 potassium channels in mice does not change minimum alveolar anesthetic concentration. Anesth Analg. 2003 May; 96(5):1345-1349.
Kindler CH, Paul M, Zou H, Liu C, Winegar BD, Gray AT, Yost CS. Amide local anesthetics potently inhibit the human tandem pore domain background K+ channel TASK-2 (KCNK5). J Pharmacol Exp Ther. 2003 Jul; 306(1):84-92.
Gray AT, Collins AB. Ultrasound-guided saphenous nerve block. Reg Anesth Pain Med. 2003 Mar-Apr; 28(2):148; author reply 148.
Dresser MJ, Xiao G, Leabman MK, Gray AT, Giacomini KM. Interactions of n-tetraalkylammonium compounds and biguanides with a human renal organic cation transporter (hOCT2). Pharm Res. 2002 Aug; 19(8):1244-7.
Chaudhry FA, Schmitz D, Reimer RJ, Larsson P, Gray AT, Nicoll R, Kavanaugh M, Edwards RH. Glutamine uptake by neurons: interaction of protons with system a transporters. J Neurosci. 2002 Jan 01; 22(1):62-72.