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Partial right ventriculectomy using the incised patch technique to treat double chambered right ventricle and
Daniel J Brockman1, Kate E Borer, Stephen J Baines
1Department of Veterinary Clinical Sciences, The Royal Veterinary College, University of London, North Mymms, UK. djbrock@rvc.ac.uk
Insights
This case report details the successful surgical treatment of double chambered right ventricle (DCRV) in a cat. Partial right ventriculectomy under total venous inflow occlusion proved effective for this rare cardiac condition.
Area of Science:
- Veterinary Cardiology
- Congenital Heart Disease
- Surgical Innovation
Background:
- Double chambered right ventricle (DCRV) is a rare congenital cardiac anomaly.
- Medical management of DCRV in cats can be challenging, potentially leading to complications like chylothorax.
- Surgical intervention for DCRV in felines is infrequently reported.
Observation:
- A 5-month-old male Maine Coon cat was diagnosed with DCRV via echocardiography and angiocardiography.
- At two years of age, the cat developed chylothorax despite ongoing medical therapy.
- Surgical excision of the fibromuscular obstruction was performed using the incised pericardial patch technique under total venous inflow occlusion (TVIO).
Findings:
- Postoperative recovery included a transient recurrence of chylothorax, successfully managed with thoracocentesis and diuretics.
- Three years following the partial right ventriculectomy, the cat remains asymptomatic and off all medications.
- The surgical technique, involving partial right ventriculectomy under TVIO via an incised pericardial patch, was technically successful.
Implications:
- This case demonstrates the feasibility and efficacy of partial right ventriculectomy for treating DCRV in cats.
- The incised pericardial patch technique under TVIO is a viable surgical approach for DCRV.
- Successful surgical management offers a potential long-term solution for cats with DCRV, improving quality of life.
Objective:
To report successful surgical treatment of double chambered right ventricle (DCRV) in a cat.
Study Design:
Clinical report.
Animals:
Cat with DCRV.
Methods:
DCRV was diagnosed in a 5-month-old male Maine Coon cat using echocardiography and angiocardiography. At 2 years, despite medical therapy, chylothorax developed. A section of the right ventricular free wall that spanned the fibromuscular obstruction was excised under total venous inflow occlusion (TVIO) using the incised pericardial patch technique.
Results:
Short-term recovery was complicated by return of chylothorax but this resolved after thoracocentesis and diuretic therapy. Three years after surgery, the cat is free of clinical signs and no longer on any medical therapy.
Conclusions:
Partial right ventriculectomy can be performed under TVIO through an incised pericardial patch.
Clinical Relevance:
DCRV in cat can be successfully treated by partial right ventriculectomy performed under TVIO through an incised pericardial patch.
