Ovariectomy by laparotomy, a video-assisted approach or a complete laparoscopic technique in Santa Ines sheep

Abstract

The aim of the study was to compare the use of open ovariectomy, to the video-assisted laparoscopic approach or total laparoscopic ovariectomy in Santa Ines ewes. Surgical time and body weight gain/loss were recorded and post-surgical pain assessed using a behavioral scale. Laparotomy involved a longer surgical time (75 ± 29.5 min), than the video-assisted (37.5 ± 13.04 min; p < 0.05) or total laparoscopic approach (27.5 ± 2.89; p < 0.01). Behavioral pain recorded score was higher for the laparotomy ovariectomy (5.6 ± 0.5), compared to the video-assisted (0.3 ± 0.5) and laparoscopic approaches (0.3 ± 0.5) (p < 0.0001). No significant differences were recorded regarding body weight gain/loss during the first 30 days post-surgery, between the techniques. The video-assisted laparoscopic and total laparoscopic techniques of ovariectomy showed a tendency to have more advantages than the use of laparotomy as such. Less surgical trauma, a shorter surgical time, minimal postsurgical stress and better surgical recovery being highlighted as the main advantages of the endoscopic approaches in sheep.

Single-port laparoscopic ovariectomy using a pre-tied loop ligature in Santa Ines ewes

“…Regarding the pain score, results of our study were similar to other laparoscopic techniques, in another trial (TEIXEIRA et al, 2011). In dogs, laparoscopic ovariectomy was compared with conventional open ovariectomy (CULP et al, 2009).…”

“…The surgical time obtained in the current study was longer than other laparoscopic techniques described in other trial (TEIXEIRA et al, 2011). Approximately 12 minutes were spent for unilateral ovariectomy in donkeys, using a specific laparoscope specially design and manufactured in other study (AZIZ et al, 2008).…”

“…Other study also revealed no negative influence of laparoscopic ovariectomies on the physical condition of the ewes (TEIXEIRA et al, 2011). The castration of young females is indicated for a faster weight gain in cattle (GARBER et al, 1990).…”

“…(SILVA et al, 2006), the preservation of gametes of high performance, animals with great genetic value, to sample specimens for advanced researches on reproductive biotechnologies (PADULA et al, 2002;TEIXEIRA et al, 2011) or to treat ovarian disorders (MOBINI et al, 2004).…”

Comparative Evaluation of Midventral and Flank Laparotomy Approaches in Goat

“…Generally, it constitutes the single largest group of surgical operations carried out in ruminants [ 3 , 4 ]. Laparotomy is indicated for exploration of abdominal and pelvic cavities and other surgical procedures involving abdominal and pelvic organs; other specific indications are caesarean section, embryo transfer to produce transgenic goats, ovariectomy, rumenotomy, abomasotomy, ventral abdominal herniorrhaphy, intestinal resection, anastomosis, and cystotomy [ 5 – 11 ]. Two approaches (flank and midventral) have been recognized and are currently in use in both small and large animals surgery; however in ruminants flank approach is the most widely and frequently practiced [ 1 , 2 ]; due to the fact that surgical site can be visualized and observed from a distance and access healing, it was also reported to have reduced potential risk for evisceration if wound dehiscence is to occur, and the overlapping arrangement of the oblique muscles in the flank helps maintain the integrity of the abdominal wall if wound complication occurs [ 7 ].…”