Elsevier

Journal of Critical Care

Volume 29, Issue 6, December 2014, Pages 1130.e1-1130.e4
Journal of Critical Care

Electronic Article
Chlorhexidine gluconate–impregnated central-line dressings and necrosis in complicated skin disorder patients,☆☆

https://doi.org/10.1016/j.jcrc.2014.06.001Get rights and content

Abstract

Although chlorhexidine gluconate (CHG) disks have been shown to help reduce the incidence of central line–associated blood stream infections, their use can result in local skin necrosis. The effects of CHG disks on patients with complex skin pathology have not been studied. We report 6 cases of dermal necrosis associated with Biopatch (Ethicon Inc, Somerville, NJ) CHG disks in adults with complex skin pathology including those with Stevens-Johnson syndrome, toxic epidermal necrolysis syndrome, graft-versus-host disease, burns, and anasarca. All patients had a CHG disk placed at a central venous catheter insertion site. Age range was from 21 to 84 years. Discovery of the reaction ranged from 4 to 14 days after disk placement. Resultant skin erosions required 2 to 10 weeks to reepithelialize. Complicated skin disorder patients represent a rare subset of the critically ill who appear prone to CHG disk necrosis. Continuous contact of CHG under occlusive dressings is speculated to predispose Stevens-Johnson syndrome, toxic epidermal necrolysis syndrome, graft-versus-host disease, and burn patients to local chemical injury secondary to loss of the epithelial tissue barrier, decreased cohesion of the epidermal-dermal junction, and increased tissue permeability. In these patients, the risk of placing the CHG disk may present more risk than using alternative antimicrobial dressings.

Introduction

Antiseptic chlorhexidine gluconate (CHG)-impregnated dressings function to reduce gram-positive and gram-negative skin colonization at the site of central venous catheter (CVC) insertion. They have been shown to decrease overall intravascular catheter or exit-site bacterial colonization from 26.9% to 14.3% and central line–associated blood stream infections from 3.8% to 2.2% in a small meta-analysis [1]. An additional study demonstrated a 60% decrease of major catheter infections [2]. One 1-in round CHG disk dressing (Biopatch; Ethicon Inc, Somerville, NJ) contains an average of 92 mg CHG per disk (Biopatch package insert). The rate of skin absorption is unknown. Skin reactions from CHG disks occur and have been termed severe CHG-impregnated sponge (disk)-associated contact dermatitis. Timsit et al [2] demonstrated occurrence at a rate of 5.3 per 1000 catheters in adult critically ill patients, and Ho and Litton [1] showed a rate of 5.6% within a meta-analysis. In a study of neonates, 5.9% (7/118) of patients developed contact dermatitis, of which 2 developed pressure necrosis [3], [4], [5], [6]. This study prompted the current contraindication of Biopatch use in premature infants. Current contraindications listed in the Biopatch package insert include usage on premature infants or on mucosal surfaces and on patients with known sensitivity to CHG. Instructions also state that, in the event of adverse reactions such as dermatitis, the disk should be discontinued immediately. Recommendations advise that the disk should be changed, a minimum of every 7 days or more frequently, in highly exudative wounds. There are currently no recommendations of usage or reports of adverse events, in patients with complex skin conditions such as burn patients or patients with severe skin reactions. Here, we report 6 patients with 7 occurrences of CHG local skin necrosis occurring at our institution, of which none of whom had contraindication for CHG disk usage.

Section snippets

Case 1

A 73-year-old woman developed Stevens-Johnson syndrome (SJS) with progression to toxic epidermal necrolysis (TENS) after a drug reaction to an antibiotic-impregnated knee implant. Stevens-Johnson syndrome and TENS are a spectrum of severe cutaneous reactions normally induced by drug or viral exposure. Clinically, patients display sloughing of their epidermis and have mucous membrane involvement and can be systemically ill. The two entities are discerned by the total body surface area (TBSA)

Discussion

Although thousands of patients in our hospital system annually receive CVC with CHG disks without adverse event(s) from the CHG disk, the 6 patients in this case series all presented with intrinsic and extrinsic risk with associated severe skin pathology. Stevens-Johnson syndrome/toxic epidermal necrolysis syndrome are severe cutaneous reactions to drug or viral exposure marked by full-thickness epidermal necrosis. Importantly, SJS/TENS are rapidly progressive, so apparently, intact tissue on

Conclusion

In an effort to decrease future CHG disk complications, our institution has amended our nursing policy with regard to dressing central-line sites in high-risk populations including SJS/TENS, GvHD, and burn patients. Per hospital policy, CHG disk dressings will not be applied to (1) open burned tissue; (2) inflammatory tissue directly surrounding burn tissue; (3) persons affected with acute GvHD, SJS/TENS with diffuse skin changes/rash/hyperpigmentation, or open tissues at catheter sites; or (4)

Acknowledgments

We thank the Brigham and Women’s Hospital Central Venous Catheter Committee and unit-based nurse educators for their assistance in effecting internal policy change for the safety of this complicated patient population. Additional appreciation is extended to the medical library staff and data coordinators for their collaboration and support.

References (16)

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Disclosures: None of the authors has a financial interest in any of the products, devices, or drugs mentioned in this manuscript.

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No funding sources were used in the preparation of this manuscript.

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