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At least 91 records · Page 5Linked to original sources

[The fetlock tunnel syndrome in horses: literature review and retrospective study].

The annular ligament constriction is characterized by a disproportion between the available space and the contents within the fetlock tunnel. The main symptoms are a persisting lameness, distention of the tendon sheath, a typical "notch" when the fetlock is viewed from the side and a hyperflexion pain in the fetlock. The surgical treatment consists of the transection of the fetlock annular ligament. The conservative management can be considered as a independent therapy or as a preparation for a subsequent desmotomy. The medical records of 75 horses suffering from fetlock tunnel syndrome presented at the Veterinary Surgery Clinic of the University of Zurich were studied. 39 horses with 41 affected limbs were reexamined clinically and ultrasonographically. 70% of the surgical cases and 82% of the conservatively treated cases were judged to be sound. Altogether it can be said that the surgical case group had a success rate of 62% while the conservatively treated group showed a success rate of 58%.

Animals↗

The carbon dioxide laser scalpel.

The CO2-laser is currently used as a scalpel by a large number of medical surgeons, but in the field of veterinary surgery, relatively little has been published on the subject. A review of the origin of medical lasers, the basic physics of laser energy production and the characteristics of laser light was therefore considered necessary. This review includes a discussion on how the optical radiation generated by the different lasers is absorbed, the cutting power of the CO2-laser, and the effect on healing, tensile strength and haemostasis when used in the skin, linea alba and gastrointestinal tract.

Animals↗

[Metacarpal and metatarsal fractures in cattle. Treatment and results].

94 cattle with 97 metacarpal or metatarsal fractures were presented at the Department of Veterinary Surgery of the Ludwig-Maximilians-Universität, Munich, between 1970 and 1987. The cause of fracture was incorrect traction during assisted delivery in almost one third (30.9%) of cases. Eighty-two animals were treated. 59 out of 73 cattle treated conservatively and 7 out of 9 which were operated, could be healed. In 38 animals the fracture healed without malpositioning; 28 developed a shortening or bending of the affected limb, which, with the exception of one case, did not functionally impair the animals. Complications occurred in 22 patients (= 26.9%); in closed fractures the reason was predominantly due to dislocation of the fragments within the cast, whereas an osteomyelitis was usually the cause in the case of the open fractures.

Animals↗

[Esophageal obstipation in the horse].

Etiology and therapy of equine esophageal obstipation are described in 79 cases seen at the Veterinary Surgery Clinic of the University of Munich.

Anesthesia, General↗

[Anesthesia in cats using tiletamine/zolazepam in minimal doses].

The object of this study was to evaluate minimal dose anesthesia with Tiletamine/Zolazepam for castration, dental treatments and other minor surgical procedures in cats. The study included 264 cats treated either at the Department of Veterinary Surgery, Ludwig-Maximilians University of Munich or under private practice conditions, in a small animal clinic in Hamburg (Germany). The drug dose needed for anesthesia for a 10 minute surgical procedure was calculated in each case using a formula. Side effects that occurred with doses recommended by the manufacturer could not be eliminated by decreasing the drug dose, but could be reduced considerably in severity and duration. Tiletamine/Zolazepam was found to be a useful drug for short anesthesia in cats at an average dose of 4.2 mg/kg.

Anesthesia↗

Clinical use of prostaglandin F2 alpha to induce early abortion in bitches: serum progesterone, treatment outcome and interval to subsequent oestrus.

Records of elective abortion in 27 bitches presented to the Veterinary Surgery and Reproduction Clinic of the University of Pisa were reviewed. Treatment consisted of twice-daily subcutaneous injections of 150-270 micrograms natural prostaglandin F2 alpha kg-1 for 4 consecutive days starting between cytological dioestrous days 5 and 19. None of the treated bitches whelped. Luteolysis appeared to be complete (serum progesterone < 3.2 nmol l-1) at the end of treatment in 22 of 25 bitches in which progesterone was assayed in serum obtained daily during therapy. Serum progesterone rose after treatment to a concentration consistent with pregnancy in four of 17 bitches in which progesterone was measured once between dioestrous days 23 and 51. The mean intercycle interval (pro-oestrus-pro-oestrus) of the cycle in which abortion was induced was 134 +/- 45 days for 15 dogs for which the interval could be determined, and was significantly shorter than the average preceding interoestrous intervals (210 +/- 40.0 days) for the same dogs (P < 0.001).

Abortifacient Agents↗

[Gait analysis in dogs].

Gait analysis has found extensive application in human medicine in orthopaedics, rehabilitation and sports medicine. In veterinary medicine locomotor studies are focused on horses. The available dynamometric and kinemetric measurement systems and their application to tetrapods are discussed after a historical survey with literary review has been made. The installation of a gait analysis laboratory for small animals at the Department of Veterinary Surgery of the Ludwig-Maximilians-University of Munich and results of clinical studies including gait analysis will be presented.

Animals↗

[Ban of the use of metomidate (Hypnodil) in swine. Background, consequences and alternatives].

Since the beginning of 1997 the use of the hypnotic drug metomidate (Hypnodil) in swine is not longer allowed. This ban caused a substantial therapeutic deficit for anesthesia in swine. The ban is based on provisions of the European Council Directive 2377/90 for fixing maximum residue limits (MRL) of veterinary drugs in animal-derived food and due to the fact that the pharmaceutical industry has not submitted any application for determining an MRL for metomidate. According to the regulations of the German drug law only those substances can be used as alternatives which are authorized for use in swine or another food-producing animal species. Registrations for use in swine exist for the barbiturates thiamylal and narcobarbital, for ketamine and for the neuroleptics azaperone, acepromazine and propionylpromazine. In the exceptional case of therapeutic emergency levomethadone or xylazine can be used. The administration of propofol, thiopentone, opioids (except levomethadone) or benzodiazepines (except brotizolam) to swine is not allowed since these drugs are authorized only for use in humans or companion animals. At present the most appropriate alternative for anesthesia in swine is thiamylal after premedication of azaperone and ketamine inducing general anesthesia with sufficient tolerance at low risks. In current studies general anesthesia with tolerance could further be produced by combinations of levomethadone, ketamine and azaperone or xylazine. Combined use of levomethadone with benzodiazepines appeared to be not suitable in swine.

Anesthesia↗

[Hemangiosarcoma of the spleen: clinical aspects in 52 dogs].

This study describes clinical aspects, treatment, and survival times of 52 dogs with hemangiosarcoma of the spleen, presented at the Department of Veterinary Surgery, University of Munich, Germany. Depending on the dissemination of the disease the dogs were assigned to three clinical stages: 10 dogs were in stage I (tumor confined to the spleen without metastasis), 18 in stage II (tumor confined to the spleen or ruptured, with or without lymph node involvement but without distant metastasis) and 24 in stage III (with distant metastasis). Dogs in stage I displayed mild and nonspecific symptoms. In stage II and II, half of the patients were presented in shock or collapse after an acute rupture of the tumor. Sonographic examination was found superior in diagnosing splenic neoplasia when compared to radiography. Pronounced laboratory abnormalities were present mainly in patients in stages II or III with anemia, leucocytosis, thrombocytopenia and prolonged bleeding times predominating. Survival times following splenectomy were very variable. The median survival time was 100 days. Because of the high standard deviaton there was no statistically significant difference in survival times between animals of different stages.

Animals↗