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Anterior Component Separation (Ramirez Technique)

Abdominal wall reconstruction technique that mobilizes the rectus-internal oblique-transversus complex by releasing the external oblique aponeurosis lateral to the rectus sheath, allowing midline closure of large ventral hernias.

Written by: Saygı Hospital Health Guide Editorial Board
Last updated:

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

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This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Genel Cerrahi department. Book Appointment →

What is Anterior Component Separation (Ramirez Technique)?

Originally described by Ramirez in 1990, anterior component separation (ACS) creates large bilateral subcutaneous flaps to expose the external oblique aponeurosis 2 cm lateral to the rectus sheath, where vertical incision allows medial advancement.

The technique enables 8 to 10 cm of advancement per side, allowing tension-free closure of midline defects up to 18 to 20 cm wide, frequently in patients with multiple recurrent ventral hernias or loss of domain.

Modifications include endoscopic and perforator-sparing approaches to reduce wound complications, often combined with sublay or onlay synthetic or biologic mesh.

Symptoms

Large symptomatic midline incisional or ventral hernia
Recurrent ventral hernia after one or more previous repairs
Loss of domain with significant intra-abdominal content extruded
Skin breakdown, ulceration, or chronic wound over the hernia sac
Disabling pain, reduced respiration, or social impact from large hernia

Risk Factors

Obesity with body mass index above 35 kg/m2
Active tobacco use or recent cessation less than 4 weeks
Diabetes mellitus with HbA1c above 7.5 percent
Multiple prior abdominal operations and infected mesh
Hernia defect width greater than 10 cm or loss of domain over 25 percent

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • Symptomatic ventral hernia with limitation of daily activity
  • Recurrent hernia after a previous repair
  • Skin or wound complications over the hernia
  • Patient considering complex abdominal wall reconstruction surgery

Treatment Methods

01
Preoperative optimization — weight loss, smoking cessation, glycemic control, nutritional assessment
02
Bilateral skin and subcutaneous flap elevation with preservation of perforating vessels when possible
03
Vertical incision of external oblique aponeurosis 2 cm lateral to the rectus and posterior development
04
Midline fascial reapproximation reinforced with retrorectus or sublay synthetic or biologic mesh
05
Closed-suction drainage, abdominal binder, and structured early mobilization with surveillance for seroma, infection, and recurrence

Which Department to Visit?

You can visit our Genel Cerrahi department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.