The effectiveness of oxytetracycline in the treatment of calves with contracted flexor tendons

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PICO question
 In neonatal calves with contracted flexor tendons is the use of a 3 day course of oxytetracycline in conjunction with other treatments more effective in returning the hoof to normal full weight bearing on both the toe and heel compared to no oxytetracycline?
 
 Clinical bottom line
 Category of research question
 Treatment
 The number and type of study designs reviewed
 Three papers were critically reviewed. One randomised controlled study, one case series and one case study
 Strength of evidence
 Weak
 Outcomes reported
 Oxytetracycline as a treatment for contracted flexor tendons in calves was found to be slightly more effective in returning the hoof to normal weight bearing compared to no oxytetracycline. In contrast, oxytetracycline infusions for the treatment of contracted flexor tendons in calves do not have an influence on weight bearing and have no significant clinical effect
 Conclusion
 There was limited confidence that the estimated effect reported by the studies were close to the true effect, this is due to the studies having a number of limitations as well as the case series / study having limited evidentiary power. There is currently insufficient evidence from the literature to support or reject the use of oxytetracycline in the treatment of contracted flexor tendons in calves. Further studies, with higher strengths of evidence, are required to provide conclusive evidence
 
 How to apply this evidence in practice
 The application of evidence into practice should take into account multiple factors, not limited to: individual clinical expertise, patient’s circumstances and owners’ values, country, location or clinic where you work, the individual case in front of you, the availability of therapies and resources.
 Knowledge Summaries are a resource to help reinforce or inform decision making. They do not override the responsibility or judgement of the practitioner to do what is best for the animal in their care.