Hand‐Assisted Laparoscopic Ovariohysterectomy in the Mare

Delling, Uta; Howard, Rick D.; Pleasant, R. Scott; Lanz, Otto I.

doi:10.1111/j.1532-950x.2004.04063.x

Cited by 25 publications

(18 citation statements)

References 61 publications

(155 reference statements)

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“…Likewise, the application of the vessel sealing device under tension was not associated with hemorrhage after excision of the right ovarian pedicle. This finding is consistent with another equine report in which gentle traction was required to apply vascular ligation devices …”

Section: Discussionsupporting

confidence: 93%

Left paralumbar laparoscopic bilateral ovariectomy in mares

et al. 2017

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Objective: To develop a novel technique for left paralumbar laparoscopic bilateral ovariectomy in standing, sedated mares.Study design: Prospective descriptive clinical study.Animals: Twelve client-owned mares.Methods: Healthy mares with normal ovarian palpation and ultrasonographic appearance were enrolled. Horses were restrained in standing stocks and administered a variable rate infusion of sedation. A left paralumbar bilateral ovariectomy was performed with 1 laparoscopic and 3 instrument portals. Access to the right ovary was facilitated by retracting the descending colon and associated mesentery with a fan retractor. Ovaries were removed with traumatic forceps, and a blunt tip vessel sealing device. A laparoscopic portal within the 17th intercostal space provided good visualization of the right ovary and reduced interference between instrumentation. Complications were recorded during hospitalization. In addition, an owner follow-up questionnaire was used to determine complications after discharge from the hospital.Results: Left paralumbar bilateral ovariectomy was successful in all 12 mares, with a mean surgical time of 76 6 8 minutes. Postoperative complications occurred in 4/12 (33%) mares and included fever, mild colic, incisional swelling, and azotemia. Complications resolved and mares returned to full activity, with complete owner satisfaction.Conclusions: Bilateral ovariectomy can be successfully achieved with minimal morbidity in standing mares with normal ovarian ultrasonographic appearance via left paralumbar laparoscopy.

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Section: Discussionsupporting

confidence: 93%

Left paralumbar laparoscopic bilateral ovariectomy in mares

et al. 2017

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“…19 The ST intervals did not reveal any significant changes throughout the observation in three groups, however, ST elevation (in group A) and ST depression (in group C) were observed in some animals during post-CP and were suggestive of myocardial ischemia as a result of CP during laparoscopy. 20 PCV and Hb were unchanged throughout the observation period in all groups and remained within the normal range as also reported by Delling et al 21 24 hours after laparoscopy.…”

Section: Discussionsupporting

confidence: 68%

Effect of Different Carbon Dioxide Pressure Gradients in Capnoperitoneum for Laparoscopic Examination in Dogs

Maiti¹,

Dutta²,

Varshney³

et al. 2013

WJOLS

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Eighteen female mongrel bitches, equally divided into three groups (A, B and C) were subjected to CO 2 insufflation at 6, 10 and 14 mm Hg pressure gradient respectively to study the physiological changes of capnoperitoneum during laparoscopy. Optimum visualization of internal organs during laparoscopy was achieved at 10 and 14 mm Hg of CO 2 pressure gradient. The physiological effects were more pronounced at 14 mm Hg of CO 2 pressure gradient. Marked increase of respiration rate in correlation with increased pCO 2 and decreased pO 2 was observed in the group C. Bradyarrhythmia was observed in all three groups, however, myocardial ischemia or hypoxia as reflected through S-T segment depression and elevation was more pronounced in 14 mm Hg of CO 2 pressure gradient (group C). Alteration of liver function was within the physiological range in the animals of all the three groups. Physiological stress was remained significantly higher with 14 mm Hg intra-abdominal pressure. In conclusion, 10 mm Hg of CO 2 was found most suitable pressure gradient for laparoscopic examination in dogs.

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“…Probably the rupture in her pectoral and forearm muscles was only a result of the rough recovery, and the original cause remains unclear. Equine ovariohysterectomy is an uncommonly performed but technically demanding surgery that has been associated with a high degree of invasiveness and morbidity (Delling et al 2004, Santschi et al 1995. We don't know whether the horse would have had a chance to survive this surgery using another anesthetic protocol.…”

Section: K S Kalchofner Et Almentioning

confidence: 99%

Clinical assessment of anesthesia with isoflurane and medetomidine in 300 equidae

Kalchofner¹,

Ringer²,

Boller³

et al. 2006

PHK

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SummaryA new anesthetic protocol for horses was evaluated in 300 clinical patients. Particular attention was paid to cardiopulmonary function and recovery, as poor recoveries and bad cardiovascular function represent the main causes for the high mortality rate associated with equine anesthesia. 300 equidae of mixed breed, mean age of 8 years and mean weight of 486 kg were anaesthetised. Horses were premedicated with acepromazine IM. Following sedation with medetomidine IV, anaesthesia was induced with ketamine and diazepam IV. Anesthesia was maintained with isoflurane in oxygen and constant rate infusion of medetomidine. Horses were allowed to breathe spontaneously, unless apnea necessitated artificial ventilation. Heart rates, respiratory rates, arterial blood pressure, and composition of inhaled and exhaled gases were monitored continuously. Arterial blood gases were measured regularly. Incremental boli of ketamine or thiopentone were noted. Morphine and medetomidine were administered for recovery. Recovery time was recorded and recovery quality was scored on a 1-5 scale (1=best, 5= worst). Mean duration of anaesthesia was 149 minutes. Hypotension or hypoxemia occurred in a small number of horses. Both resolved when either additional fluids and sympathomimetics or a higher concentration of inspiratory oxygen was administered. 146 horses received supplemental ketamine and 29 thiopentone respectively. Recovery was scored excellent or good in 299 horses, poor in one horse. Mean duration of recovery was 50 minutes. Results suggest that the described anesthetic protocol is suitable to maintain anesthesia in horses for various procedures of considerable duration. Cardiopulmonary function was well maintained and recoveries were of exceptionally good quality. Keywords: Horse, anaesthesia, medetomidine, cardiopulmonary functionKlinische Anwendung von Isofluran/Medetomidin-Anästhesie bei 300 Equiden Die Mortaliätsrate in der Pferdeanästhesie ist mit 1 % sehr hoch. Im Vergleich dazu liegt sie in der Kleintieranästhesie bei lediglich 0.15 % und in der Humananästhesie bei 0.002 %. Die drei häufigsten perioperativen Todesursachen beim Pferd sind Herzkreislaufstillstand zu Beginn der Anästhesie, sowie Frakturen und Myopathien während der Aufwachphase. Für längere operative Eingriffe sind heutzutage Inhalationsanästhetika Mittel der Wahl. Diese führen zu einer Beeinträchtigung der Kreislauffunktion und dadurch zu einer verminderten muskulären Durchblutung. Dies fördert die Entstehung oben genannter Myopathien. Eine neue Möglichkeit Pferde sicherer zu anästhesieren bietet der kombinierte Einsatz von Inhalationsanästhetika und Analgetika oder Sedativa. Ein Sedativum mit hervorragenden analgetischen Eigenschaften ist Medetomidin, der zurzeit potenteste und spezifischste α 2 -Agonist. Medetomidin kann aufgrund seiner pharmakokinetischen Eigenschaften beim Pferd während einer Inhalationsanästhesie kontinuierlich infundiert werden. Dies resultiert in einer Verminderung des Bedarfes an Inhalationsanästhetika, stabiler Herzkreislauff...

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Hand‐Assisted Laparoscopic Ovariohysterectomy in the Mare

Cited by 25 publications

References 61 publications

Left paralumbar laparoscopic bilateral ovariectomy in mares

Left paralumbar laparoscopic bilateral ovariectomy in mares

Effect of Different Carbon Dioxide Pressure Gradients in Capnoperitoneum for Laparoscopic Examination in Dogs

Clinical assessment of anesthesia with isoflurane and medetomidine in 300 equidae

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