STANDARDIZATION AND CLINICAL USE OF DIODE LASER IN DOGS
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Date
2014
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Publisher
AAU, Anand
Abstract
LASER is the acronym for Light Amplification by Stimulated Emission of Radiation. The diode LASER is one of the most widely used medical lasers in the world delivering an intense beam of infrared light with 635-980 nm wavelengths. In the present study, selected clinical cases were allotted to two groups. In Group 1, six animals (dogs) were subjected to celiotomy with diode LASER technique and in Group 2, twelve dogs with small tumors (<3 cm) were subjected to diode LASER ablation. The dogs were prepared aseptically for the surgeries. After premedication with Inj. Atropine (@ 0.02 mg/kg body weight), dogs were anaesthetized with Inj. Ketamine HCl (@ 10 mg/kg body weight) and Inj. Diazepam (@ 0.5 mg/kg body weight) IV. Full thickness skin was incised using StarLas 250 diode LASER with 0.2 mm ceramic tip and settings of 7-9 watt (in continuous wave mode) and up to 25 watt in pulsed mode. The laser tip (hand piece) was kept in contact mode. Sterile saline solution moistened gauze sponges were used to remove carbonized debris which facilitated cutting of tissue with the laser and avoiding thermal injuries to under lying structures. During LASER surgery, surgical blood loss was estimated, and postoperative complications, surgical outcome and postoperative clinical appearance were recorded after 15 to 30 days. In the present study, power settings used for warts / tumors (3-14 WCW mode and up to 25 W- pulsed mode) and celiotomy (7-9 W - CW mode and up to 25W - pulsed mode) were optimum. Diode LASER was also used for surgeries viz. aural hematomas, oral tumors, epilation of eyelid hairs and entropion. The average blood loss during surgery was ~ 1 ml. After 15-30 days of LASER surgery, there was desired wound healing with cosmetic appearance of scar and overall less wound complications. Diode LASER is an effective excisional and dissectional tool which provides significant cutting and coagulation ability in contact mode and thus has superior hemostatic abilities. Based on observations of the present study, it can be said that diode LASER can be a part of surgical armamentarium of small animal practitioners and its judicious use will improve surgical results with cosmetic appearance of the wound.
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Keywords
VETERINARY SURGERY AND RADIOLOGY, STANDARDIZATION