Veterinary Medicine - January 2009 - (Page 30) Anesthesia techniques PEER-REVIEWED 1. An incisional infiltration block administered after the closure of an abdominal incision in a dog. Four or five subcutaneous injections were made on each side of the incision, from the caudal to the cranial ends. 2. The digital nerve block to provide effective analgesia for an onychectomy. Inject 0.2 to 0.4 mg/kg of the local anesthetic subcutaneously in three sites—lateral and proximal to the accessory carpal pad to block the dorsal branch of the ulnar nerve (A), medial to the accessory carpal pad to block the median nerve and palmar branch of the ulnar nerve (B), and at the dorsal-medial aspect of the proximal carpus to block the superficial branches of the radial nerve (C). dose for debilitated, elderly, or neonatal patients. Table 4 summarizes the indications, potential complications, drugs, dosages, and equipment required for each regional block technique described below. A B C make subsequent needle insertions through desensitized skin. Sodium bicarbonate can be added to lidocaine in a 1:9 ratio of bicarbonate to lidocaine to reduce pain on injection.31,32 Infiltration anesthesia In ltration anesthesia can be used during small laceration repair and small mass excision, as a line block before surgical incision, or before or after incision closure (Figure 1).27-30 The total volume of local anesthetic is deposited in multiple subcutaneous injections around the area to be desensitized. Always aspirate before each injection to ensure intravenous injection does not occur. Lidocaine injections are painful, so Splash blocks A splash block refers to direct application of a local anesthetic to the site of interest, most commonly the body wall upon closure of the abdomen, the peritoneum intraoperatively, or the ovarian ligaments during an ovariohysterectomy. For this technique, 4 mg/kg of lidocaine or 2 mg/kg of bupivacaine is dripped from a syringe onto the area to be blocked, after ushing and suctioning the abdomen. These methods have been shown to reduce anesthetic requirements in some veterinary studies.28,29 30 January 2009 VETERINARY MEDICINE
Table of Contents Feed for the Digital Edition of Veterinary Medicine - January 2009 Veterinary Medicine - January 2009 Contents Leading Off Letters Research Updates Idea Exchange A Modified Subconjunctival Enucleation Technique in Dogs and Cats Local and Regional Anesthesia Techniques Author Guidelines Product Preview CE Form/Advertiser Index Marketplace/Classifieds Mind Over Miller Veterinary Medicine - January 2009 Veterinary Medicine - January 2009 - (Page Intro) Veterinary Medicine - January 2009 - Veterinary Medicine - January 2009 (Page Cover1) Veterinary Medicine - January 2009 - Veterinary Medicine - January 2009 (Page Cover2) Veterinary Medicine - January 2009 - Veterinary Medicine - January 2009 (Page 3) Veterinary Medicine - January 2009 - Veterinary Medicine - January 2009 (Page 4) Veterinary Medicine - January 2009 - Veterinary Medicine - January 2009 (Page 5) Veterinary Medicine - January 2009 - Veterinary Medicine - January 2009 (Page 6) Veterinary Medicine - January 2009 - Contents (Page 7) Veterinary Medicine - January 2009 - Contents (Page 8) Veterinary Medicine - January 2009 - Contents (Page 9) Veterinary Medicine - January 2009 - Contents (Page 10) Veterinary Medicine - January 2009 - Contents (Page 11) Veterinary Medicine - January 2009 - Contents (Page 12) Veterinary Medicine - January 2009 - Leading Off (Page 13) Veterinary Medicine - January 2009 - Letters (Page 14) Veterinary Medicine - January 2009 - Letters (Page 15) Veterinary Medicine - January 2009 - Research Updates (Page 16) Veterinary Medicine - January 2009 - Research Updates (Page 17) Veterinary Medicine - January 2009 - Research Updates (Page 18) Veterinary Medicine - January 2009 - Research Updates (Page 18a) Veterinary Medicine - January 2009 - Research Updates (Page 18b) Veterinary Medicine - January 2009 - Research Updates (Page 18c) Veterinary Medicine - January 2009 - Research Updates (Page 18d) Veterinary Medicine - January 2009 - Idea Exchange (Page 19) Veterinary Medicine - January 2009 - A Modified Subconjunctival Enucleation Technique in Dogs and Cats (Page 20) Veterinary Medicine - January 2009 - A Modified Subconjunctival Enucleation Technique in Dogs and Cats (Page 21) Veterinary Medicine - January 2009 - A Modified Subconjunctival Enucleation Technique in Dogs and Cats (Page 22) Veterinary Medicine - January 2009 - A Modified Subconjunctival Enucleation Technique in Dogs and Cats (Page 23) Veterinary Medicine - January 2009 - Local and Regional Anesthesia Techniques (Page 24) Veterinary Medicine - January 2009 - Local and Regional Anesthesia Techniques (Page 25) Veterinary Medicine - January 2009 - Local and Regional Anesthesia Techniques (Page 26) Veterinary Medicine - January 2009 - Local and Regional Anesthesia Techniques (Page 27) Veterinary Medicine - January 2009 - Local and Regional Anesthesia Techniques (Page 28) Veterinary Medicine - January 2009 - Local and Regional Anesthesia Techniques (Page 29) Veterinary Medicine - January 2009 - Local and Regional Anesthesia Techniques (Page 30) Veterinary Medicine - January 2009 - Local and Regional Anesthesia Techniques (Page 31) Veterinary Medicine - January 2009 - Local and Regional Anesthesia Techniques (Page 32) Veterinary Medicine - January 2009 - Local and Regional Anesthesia Techniques (Page 33) Veterinary Medicine - January 2009 - Local and Regional Anesthesia Techniques (Page 34) Veterinary Medicine - January 2009 - Local and Regional Anesthesia Techniques (Page 34a) Veterinary Medicine - January 2009 - Local and Regional Anesthesia Techniques (Page 34b) Veterinary Medicine - January 2009 - Local and Regional Anesthesia Techniques (Page 35) Veterinary Medicine - January 2009 - Local and Regional Anesthesia Techniques (Page 36) Veterinary Medicine - January 2009 - Local and Regional Anesthesia Techniques (Page 37) Veterinary Medicine - January 2009 - Local and Regional Anesthesia Techniques (Page 38) Veterinary Medicine - January 2009 - Local and Regional Anesthesia Techniques (Page 39) Veterinary Medicine - January 2009 - Local and Regional Anesthesia Techniques (Page 40) Veterinary Medicine - January 2009 - Author Guidelines (Page 41) Veterinary Medicine - January 2009 - Product Preview (Page 42) Veterinary Medicine - January 2009 - Product Preview (Page 43) Veterinary Medicine - January 2009 - Product Preview (Page 44) Veterinary Medicine - January 2009 - Product Preview (Page 45) Veterinary Medicine - January 2009 - CE Form/Advertiser Index (Page 46) Veterinary Medicine - January 2009 - Marketplace/Classifieds (Page 47) Veterinary Medicine - January 2009 - Marketplace/Classifieds (Page 48) Veterinary Medicine - January 2009 - Marketplace/Classifieds (Page 49) Veterinary Medicine - January 2009 - Mind Over Miller (Page 50) Veterinary Medicine - January 2009 - Mind Over Miller (Page Cover3) Veterinary Medicine - January 2009 - Mind Over Miller (Page Cover4)
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