The thumb is carefully rolled medially to remove it from the glue. The clamp is removed while the skin is held in place until the glue dries ( Fig 17.13). Remove the clamp and hold in place while the glue dries ![]() The skin (still in the clamp) is folded medially over the glue ( Fig. Glue is applied to the skin plantar-medial to the clamp ( Fig. Glue the skin plantar-medial to the clamp The glue is allowed to dry a few seconds ( Fig. With the clamp still in place, surgical glue is applied to the skin edges. A gauze sponge is used to blot the skin edges dry ( Fig. With the clamp still in place, epinephrine is applied to the skin edges to constrict the small vessels in the skin. Excise the dewclawĪ blade is drawn directly along the outer edge of the clamp to excise the dewclaw. ![]() This is best done before the sterilization surgery and left on during the surgery ( Fig. Clamp the base of the dewclawĪ clamp is placed across the base of the nonattached dewclaw. I have developed a protocol I am happy with for removing nonattached dewclaws that is fast, heals well, and does not require skin sutures or bandaging. Their removal is best left for another time, if at all. Victoria Valdez DVM, in High Volume Spay and Neuter, 2022 Nonattached dewclaw removal protocolĪttached dewclaws, especially in a large dog, take time to remove and often require bandaging and, therefore, rechecks. The preparation time of the patient that follows them should match their prolonged surgery time. This means their preparation time should match the surgery time of the patient ahead of them. Preparation times are not affected, so they remain in their original preparation time classification. To allow for the possibility that the surgery time may be prolonged, these surgeries should be treated as if they are in a longer class of surgery than that in which they would normally fall. Due to this unpredictability it is best not to do these surgeries where time is limited: for example, before a set lunch break time or as the last surgery of the day. The duration of surgery for abdominal cryptorchids, females in late stages of pregnancy, obese females, or those who have had previous C-sections (and may have extensive adhesions) can be prolonged. Consequently, these patients end up in a longer class of surgery and need to be treated accordingly. These ancillary surgeries also prolong preparation time, since the ancillary surgery sites also need to be prepared. Victoria Valdez DVM, in High Volume Spay and Neuter, 2022 Factors that increase surgery time Ancillary surgeriesĪncillary surgeries such as umbilical hernia repair or dewclaw removal prolong surgery time. The bandage is removed in 1 week, when it is either replaced or the wound left open and treated topically. After removal, an antiseptic dressing and snug bandage are applied to protect the wound and speed hemostasis. Care should be taken to avoid injury to deeper structures when amputating the medial dewclaws while being sure to remove a ring of skin peripheral to the dewclaw base so that regrowth cannot occur. In baby calves, heavy serrated scissors may be sufficient for removal of the medial dewclaw, and a sterile Barnes or gouge-type dehorner works very well in adult cattle. ![]() Sedation with xylazine may be helpful-especially in adult cattle-because of the drug’s analgesic properties. Local anesthesia via local infiltration, ring block, dorsal metatarsal vein injection after tourniquet application, or specific nerve blocks should be performed. Calves can be restrained by an assistant or sedated. Alternatively, a tilt table may be used if available. An adult cow should be restrained in a head gate or stanchion and have the limb to be operated raised by a rope as in hoof trimming. The skin around the medial dewclaw is clipped and surgically prepared. Medial dewclaw removal is performed bilaterally in calves as a prophylactic measure and may be performed unilaterally or bilaterally in adult cows that repeatedly develop self-induced udder or teat injury. This can be proved by applying a dye to the medial dewclaw and then observing the cow’s udder and teats several hours later to see where contact occurs. Although a controversial topic, no question exists that some mature cows or cows with pendulous udders do injure teats with medial dewclaws rather than medial claws of the digit. Managers on these farms believe that this practice minimizes self-induced teat injuries. Removal of the medial hind dewclaws is sometimes performed on heifer calves on some dairy farms. Peek, in Rebhun's Diseases of Dairy Cattle (Third Edition), 2018 Removal of Dewclaw
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