Hernia Surgery pp 117-135 | Cite as

Posterior Component Separation Via Transversus Abdominis Muscle Release: The TAR Procedure

  • Yuri W. NovitskyEmail author


Evolution of hernia surgery has led to popularization of a variety of reconstructive techniques. The traditional approach described by Ramirez involves creation of large skin flaps and associated significant wound morbidity. Minimally invasive modifications are known to reduce skin flaps and wound complications, but limit mesh placement to intraperitoneal underlay in the vast majority of cases. Classic Rives-Stoppa retrorectus repairs provide durable outcomes with low morbidity, but provide for limited medial myofascial advancement and insufficient sublay space for sufficient overlap of the visceral sac in many hernias. To address the shortfalls of the traditional retromuscular repairs, I have recently developed another novel technique of posterior component separation using transversus abdominis muscle release (TAR). This modification allows for significant myofascial cutaneous advancement, wide lateral dissection, preservation of the neurovascular supply of the rectus abdominis muscle, and provides a large space for mesh sublay. Most importantly, TAR allows for medialization of the abdominal wall components without raising lipocutaneous flaps. This chapter will describe the history of TAR, its anatomic and physiologic basis, indications/limitations, detailed technical considerations as well as a variety of clinical outcomes.


Transversus abdominis release TAR Functional reconstruction Hernia repair Abdominal wall reconstruction Retromuscular repair 

Supplementary material

Video 13.1

TAR, by Novitsky (MP4 81,965 kb)


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Copyright information

© Springer International Publishing Switzerland 2016

Authors and Affiliations

  1. 1.Department of SurgeryCase Comprehensive Hernia Center, University Hospitals Case Medical CenterClevelandUSA

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