Veterinary surgery : VS · 2019
Vascular ring anomalies in cats: 20 cases (2000-2018).
СтатьяНазвание и аннотация: Перевод в очереди
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Bascuñán Ana, Regier Penny J, Case J Brad, Singh Ameet, Balsa Ingrid, Flanders James, Thieman-Mankin Kelley, Ham Kathleen M
Аннотация
OBJECTIVE: To report the clinical characteristics, types of vascular ring anomalies (VRA), operative findings, complications, and survival after surgical treatment of cats with VRA.
STUDY DESIGN: Retrospective, multi-institutional case series.
ANIMALS: Client- or shelter-owned cats presenting to academic, referral veterinary institutions.
METHODS: Medical records of cats with VRA that underwent surgical treatment were reviewed. Signalment, relevant medical history, clinical signs, diagnostic imaging, surgical findings, complications, and survival were recorded.
RESULTS: Twenty cats with VRA were included. Vascular ring anomalies were most commonly (75% [15/20]) diagnosed in cats less than 1 year old, with no breed or sex predilection. Regurgitation was the most common clinical sign, present in 18 of 20 (90%) cats. A persistent right aortic arch was diagnosed in 17 of 20 (85%) cats, with concurrent aberrant left subclavian artery in four of the cats. Surgical treatment was associated with survival to discharge in 18 of 20 (90%) cats. Persistent clinical signs were reported in nine of 13 (69%) cats, and radiographic evidence of megaesophagus persisted in four of 13 (31%) cats, with a median follow-up of 275 days after discharge.
CONCLUSION: Persistent right aortic arch was the most commonly diagnosed VRA in cats in this series, although multiple anomalies were observed. Surgical treatment of VRA in cats was associated with a high survival to discharge, although persistence of clinical signs and megaesophagus was noted in 69% and 31% of the cats, respectively.
CLINICAL SIGNIFICANCE: Surgical treatment of VRA in cats is associated with a high survival rate; however, persistence of clinical signs is an expected outcome.
STUDY DESIGN: Retrospective, multi-institutional case series.
ANIMALS: Client- or shelter-owned cats presenting to academic, referral veterinary institutions.
METHODS: Medical records of cats with VRA that underwent surgical treatment were reviewed. Signalment, relevant medical history, clinical signs, diagnostic imaging, surgical findings, complications, and survival were recorded.
RESULTS: Twenty cats with VRA were included. Vascular ring anomalies were most commonly (75% [15/20]) diagnosed in cats less than 1 year old, with no breed or sex predilection. Regurgitation was the most common clinical sign, present in 18 of 20 (90%) cats. A persistent right aortic arch was diagnosed in 17 of 20 (85%) cats, with concurrent aberrant left subclavian artery in four of the cats. Surgical treatment was associated with survival to discharge in 18 of 20 (90%) cats. Persistent clinical signs were reported in nine of 13 (69%) cats, and radiographic evidence of megaesophagus persisted in four of 13 (31%) cats, with a median follow-up of 275 days after discharge.
CONCLUSION: Persistent right aortic arch was the most commonly diagnosed VRA in cats in this series, although multiple anomalies were observed. Surgical treatment of VRA in cats was associated with a high survival to discharge, although persistence of clinical signs and megaesophagus was noted in 69% and 31% of the cats, respectively.
CLINICAL SIGNIFICANCE: Surgical treatment of VRA in cats is associated with a high survival rate; however, persistence of clinical signs is an expected outcome.