Hamilton L, Farrell M, Mielke B, Solano M, Silva S, Calvo I
Davies Veterinary Specialists, Higham Gobion, Hertfordshire, SG53HR, UK.
Department of Orthopaedic Surgery, Royal Veterinary College, Hertfordshire, UKAL97TA, UK.
J Small Anim Pract. 2020 Apr;61(4):241-246. doi: 10.1111/jsap.13093. Epub 2020 Jan 31.
To determine the risk of lameness and the rate of subsequent medial patellar luxation surgery in dogs that present with occult Grade II medial patellar luxation.
Retrospective owner survey and review of clinical records of adult dogs diagnosed with Grade II medial patellar luxation that were initially asymptomatic and managed non-surgically that had a minimum of 4-year follow-up. Clinical notes and owner questionnaires identified dogs that subsequently developed lameness and required surgery on the previously asymptomatic stifle.
Thirty-eight dogs were included with an average follow-up of 51 months. Seventeen dogs re-presented for unscheduled contralateral medial patellar luxation surgery at an average of 15 months after initial presentation. A further two dogs had chronic contralateral limb lameness after an average of 33 months after initial surgery and may have been potential surgical candidates.
Fifty percent of adult dogs presenting with occult Grade II medial patellar luxation subsequently developed chronic lameness or required surgery.
确定患有隐匿性二级内侧髌骨脱位的犬只出现跛行的风险以及随后进行内侧髌骨脱位手术的比率。
对成年犬的临床记录进行回顾性主人调查，这些犬被诊断为二级内侧髌骨脱位，最初无症状且采用非手术治疗，随访至少4年。临床记录和主人问卷确定了随后出现跛行并需要对之前无症状的 stifle 进行手术的犬只。
纳入38只犬，平均随访51个月。17只犬在初次就诊后平均15个月再次接受计划外的对侧内侧髌骨脱位手术。另外两只犬在初次手术后平均33个月出现慢性对侧肢体跛行，可能是潜在的手术候选对象。
患有隐匿性二级内侧髌骨脱位的成年犬中有50%随后出现慢性跛行或需要手术。
