• Zhinan Ju, Wei Chen, Xixi Min, Kanghui Dai, Henan Zheng, and Jiehua Qiu.
• Department of Vascular Surgery, the Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, P.R.China.
• Medicine (Baltimore). 2024 Apr 19; 103 (16): e37849e37849.

IntroductionLeft-sided inferior vena cava (IVC) is an uncommon condition with a prevalence rate of 0.2% to 0.5%. Most of them remain asymptomatic and are discovered incidentally. The patient condition in this case is critical, and conventional procedures are not applicable. The surgical approach being considered is innovative, but it carries significant risks and uncertain therapeutic efficacy.Patient ConcernsA 42-year-old male presented with acute right lower extremity pain with swelling for 2 days.DiagnosisThe patient was subsequently diagnosed with acute right lower extremity deep vein thrombosis, inferior vena cava thrombosis, and a left-sided IVC.InterventionsBased on the treatment guidelines for lower extremity deep venous thrombosis.OutcomesWe successfully cured him with percutaneous mechanic thrombectomy (PMT) combined with catheter directed thrombolysis (CDT).Conclusion And SignificanceThe relatively low incidence of left-sided IVC does not diminish the significance of its identification. PMT combined with CDT is a safe way to treat acute thrombosis. It provides a new approach for similar patients in the future.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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