COMPARATIVE STUDY ON LAPAROSCOPIC OVARIECTOMY WITH INTRACORPOREAL LIGATION AND HAEMOCLIP APPLICATION IN DOGS
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Date
2018
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COLLEGE OF VETERINARY AND ANIMAL SCIENCES, POOKODE WAYANAD
Abstract
The study was conducted on fourteen adult non-pregnant female dogs of
different age and body weight brought for laparoscopic birth control surgery at
Teaching Veterinary Clinical Complex, Pookode. They were randomly divided into
two groups of seven animals each - Group I (laparoscopic ovariectomy by
intracorporeal ligation) and Group II (laparoscopic ovariectomy by haemoclip
application). The study was carried out with an objective to compare the clinical
efficacy of intracorporeal ligation and haemoclip application for laparoscopic
ovariectomy in dogs subjected to ventral midline 3-port-laparoscopic ovariectomy.
The ovary was anchored to the abdominal wall in an elevated position using
suspension sutures, to facilitate ligation and resection. Laparoscopic ovariectomy by
intracorporeal ligation required three ports. Two needle holders were introduced –
one through the cranial and the other through the caudal instrumental ports for knot
tying. Twelve centimetres long braided silk was found sufficient for applying
intracorporeal flat surgeon’s knot and provided hazzle free ligation. The procedure of
intracorporeal ligation was graded difficult in all the animals of Group I but provided
excellent haemosatsis for ovariectomy. Hemoclip application with ventral midline
three port technique was easy compared to intracorporeal ligation. The procedure of
haemoclip application was graded moderately difficult in animals with considerable
fat deposition around ovary and multiple clips had to be applied in the pedicle and
ovarian end so as to ensure incorporation of all vessels. Haemoclip applied on
ovarian pedicle with minimal fat and connective tissues were not secure. The total
surgical time was 76.93±3.38 min for laparoscopic ovariectomy with intracorporeal
ligation while that for hemoclip application was 61.21±2.14 min. The difference in
time is attributed to difficulty in formation of knots and long learning curve, increase
in number of instrument changes and surgical movements, and difficulty of
intracorporeal ligation procedure compared to the procedure of haemoclip
application. Intracorporeal ligation ensured more haemostatic competency inspite of
its complexity. All animals returned to normal appetite within 8 to 10 h after
recovery from anaesthesia. The post surgical tolerance was good and comparable
between the groups with no postoperative complications. To conclude intracorporeal
ligation may be preferred for ovarian pedicle haemostasis prior to ovarietomy in
animals with considerable fat deposition around ovary, while hemoclip application
may be limited to animals with minimal to moderate ovarian pedicle fat.
Keywords: Laparoscpic ovariectomy, intracorporeal ligation, endoclip application
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