Elsevier

Urology

Volume 66, Issue 4, October 2005, Pages 874-877
Urology

Surgical techniques in urology
Is polypropylene mesh safe and effective for repairing infected incisional hernia in renal transplant recipients?

https://doi.org/10.1016/j.urology.2005.04.072Get rights and content

Abstract

Introduction

Infected incisional hernias are common in kidney transplant patients. Treating them in immunosuppressed patients can take months, increasing costs and implying loss of working productivity. Abdominal wall prostheses have not been used in infected immunosuppressed patients because of poor infection control. We evaluated the outcome of the surgical treatment of these patients with polypropylene mesh to shorten the hospitalization time and patient recovery. The records of 462 consecutive kidney transplant patients (March 2000 to February 2004) were reviewed. Of these 462 patients, 13 (2.8%) had infected or contaminated herniations at the transplant incision. They developed between 2 and 60 days (mean 14) after transplantation. The racial distribution was not significant, but herniations were more common in patients from cadaveric donors (4.5% versus 0%, P = 0.005). Predisposing factors were found in 6 patients (46.2%) and included complications from transplant surgery in 2, obesity in 1, leukopenia in 3, sepsis in 1, diabetes mellitus in 1, and wall weakness in 1 patient (3 had more than one risk factor).

Technical Considerations

A prospective protocol of surgical correction with polypropylene mesh was established. After wound cleansing with normal saline, repair was done by primary fascial approximation and polypropylene mesh reinforcement. Broad-spectrum antibiotics and large-bore drains were used. Follow-up ranged from 1 to 40 months (mean 14.5). All patients did well except for one recurrence, 14 months after correction.

Conclusions

Surgical repair with polypropylene mesh is safe and effective in treating infected or contaminated herniations in kidney transplant patients, with an acceptable (9.1%) incidence of recurrence.

Section snippets

Material and methods

The records of 13 of 462 patients who underwent kidney transplantation from March 2000 to February 2004 who had infected hernias or evisceration were studied. Table I lists the demographic data. Infection was defined as the presence of clinical signs, such as pain, rubor, edema, and dehiscence with purulent secretion at the incision site, with positive culture for microorganisms. Contamination was considered in cases of evisceration with peritoneal content exposure.

We analyzed probable risk

Results

In 462 transplant cases, 13 (2.8%) infected or contaminated incisional hernias were identified. Table II lists the patient characteristics.

No patients had previously undergone any kind of incision at the current transplantation site. Of the 13 patients, 11 were kidney transplant patients in whom incision infection occurred with dehiscence in 5 and evisceration with omentum exposure in 6 (mean time between evisceration and operation 16 hours).

One patient underwent a simultaneous liver-kidney

Comment

Incisional hernias are a frequent problem in the general population, and about 70% of them develop within the first year after surgery.2 Attempts to correct these hernias by repeating the closure with suture has resulted in recurrence rates of up to 50%. This rate has been reduced to less than 10% using mesh implantation.11 Transplant patients are at additional risk of developing incisional hernias because of factors such as the chronic use of corticosteroids, other immunosuppressive drugs,

Conclusions

Incisional hernias are not rare after kidney transplantation, and some may become infected. When associated with wound infection, most develop within the first 3 weeks after transplant surgery. They are significantly more common in transplants of organs from a cadaveric source. Surgical complications of transplant surgery, such as wound hematoma and lymphocele, are important predisposing factors, underscoring the need for meticulous surgical technique. Surgical repair of infected or

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    Now, a variety of meshes have been developed, and reliable data is available on their efficacy and safety [7,8,11]. Despite the wide use of meshes for IH after organ transplantation, serious complications such as mesh infection, migration to the intestine or bladder, and spermatic cord injury have been reported [8]. In our case, however, the use of mesh was also considered, and the final decision was to repair with autologous tissue because of the increased risk of infection in an unstable immunosuppressed situation.

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