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Research ArticlePractice

Ingrown toenail or overgrown toe skin?

Alternative treatment for onychocryptosis

Henry Chapeskie
Canadian Family Physician November 2008, 54 (11) 1561-1562;
Henry Chapeskie
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There are currently many surgical options for treating the “ingrowing toenail” (for example, wedge resection, which is demonstrated in this month’s Video Series); however, they tend to have high rates of recurrence, poor cosmetic results, and low rates of patient satisfaction.1 According to a 2005 Cochrane Review, rates of regrowth after the long-standing treatment (phenolization) were 34% for GPs and 50% for general surgeons.1 In 1959, Vandenbos and Bowers noted that patients who developed this problem tended to have an excessive amount of tissue at the sides of the affected nail. They theorized that weight-bearing caused the tissue to bulge over the sides of the nail, resulting in pressure necrosis.2 The Vandenbos procedure (described below) took form based on this theory and now challenges the current paradigm.

Indications

The Vandenbos procedure is indicated for patients with classic onychocryptosis, most of whom are in their second or third decade of life. It is not recommended for patients with dystrophic nails, fungal infections, or thick, discoloured, curling nails, as seen in the elderly.

Materials

The following materials are required to perform the Vandenbos procedure:

  • alcohol swab,

  • tourniquet,

  • 3 mL of 2% xylocaine with a 25-gauge 1-inch needle,

  • iodine solution,

  • scalpel with a No. 15 blade,

  • tissue forceps,

  • hyfrecator,

  • tulle gauze,

  • 2 x 2-inch gauze, gauze roll, and tape.

Procedure

A video of the procedure is available on CFPlus* and at www.ingrowntoenails.ca. The instructions for this procedure are as follows:

  1. To begin, a ring block is done at the base of the toe with 3 mL of plain 2% xylocaine (1.5 mL per side), and a tourniquet (eg, a Penrose drain) is wrapped tightly around the toe. The toe is cleaned with an iodine wash.

  2. A 5 mm incision is made proximally from the base of the nail, about 3 mm from the edge (leaving the nail bed intact). The incision should extend toward the side of the toe in an elliptical sweep and finish under the tip of the nail, still keeping to 3 mm from the edge. It is important that all skin at the edge of the nail be removed. The excision must be generous and adequate, leaving a soft tissue deficiency of about 1.5 x 3 cm (Figure 1).

    If the physician is apprehensive and does not remove an adequate amount of soft tissue, the problem might recur. A portion of the lateral aspect of the distal phalanx is occasionally exposed without fear of infection. Antibiotics are unnecessary—the wound is left open to heal by secondary intention. Vandenbos and Bowers reported no cases of osteomyelitis in their study.2

  3. Light cauterization with a hyfrecator along both the edge of open skin and the subcutaneous tissue of the wound reduces postoperative bleeding and pain. Do not damage the nail bed or matrix as this is a nail-sparing procedure.

  4. A fine mesh tulle gauze (10 cm2) is folded and placed directly over the wound. A snug dressing is applied (eg, a roll of 5-cm gauze wrap). The elastic tourniquet is then removed. Keep the foot elevated to help minimize bleeding.

  5. Once at home, the patient should lie down with the foot elevated for the first 1 to 2 days. Analgesia should be achieved using acetaminophen with codeine (eg, Tylenol No. 3) and ibuprofen.

  6. About 48 hours after the operation, the patient should soak the foot in warm water with 1 to 2 tbsp Epsom salt for 20 minutes, gradually removing the dressing. It is common for minimal bleeding to occur. After soaking, a small dressing should be applied to the wound. This procedure must be diligently repeated 3 times daily while the wound gradually heals inward from the periphery, as it aids the healing and keeps the wound clean. There will naturally be some redness around the wound for 1 to 2 weeks postoperatively; however, antibiotics are not necessary.

  7. Patients return for follow-up after 2 weeks to ensure that adequate healing and proper care of the wound is taking place. At 4 to 6 weeks the wound should be healed with the nail above the skin (Figure 1).

Figure 1
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Figure 1
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Figure 1
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Figure 1 The Vandenbos procedure, pre- to postoperatively

A) Preoperative toe; B) and C) intraoperative toe; D) and E) healed toe, 4 to 6 weeks following procedure.

Discussion

Over the past 20 years, I have performed this procedure on more than 500 toes in 440 patients and have had no recurrences or cases of osteomyelitis. Other studies of this procedure report similar results.2,3 As Vandenbos and Bowers directly state, “the term ingrown toenail is unfortunate in that it incriminates the nail as the causative factor and is responsible for the fact that most operative and conservative treatments are directed towards the nail.”2 In support of Vandenbos’s theory, results of a prospective study measuring the nails of patients with ingrowing toenails and comparing them with those of controls “failed to demonstrate any abnormality of the nail … suggest[ing] that treatment should not be based on the correction of a nonexistent nail deformity.”4

The Vandenbos procedure is a rational physiologic approach to the problem of overgrown toe skin (onychocryptosis) and yields a curative, cosmetically excellent result. Not surprisingly, patient satisfaction reflects this.

For more information, visit www.ingrowntoenails.ca for access to research articles, physician and patient information, photo galleries, and a video of the Vandenbos procedure.

Footnotes

  • Competing interests

    None declared

  • We encourage readers to share some of their practice experience: the neat little tricks that solve difficult clinical situations. Praxis articles can be submitted on-line at http://mc.manuscriptcentral.com/cfp or through the CFP website www.cfp.ca under “Authors.”

  • Copyright© the College of Family Physicians of Canada

References

  1. ↵
    RoundingCBloomfieldSSurgical treatments for ingrowing toenailsCochrane Database Syst Rev20052CD001541
  2. ↵
    VandenbosKQBowersWFIngrown toenail: a result of weight bearing on soft tissueU S Armed Forces Med J19591010116873
    OpenUrl
  3. ↵
    ChapeskiAPractice tip. Simple cure for the ingrown toenailAust Fam Physician1998274299
    OpenUrlPubMed
  4. ↵
    PearsonHJBuryRNWapplesJWatkinDFIngrowing toenails: is there a nail abnormality? A prospective studyJ Bone Joint Surg Br19876958402
    OpenUrlPubMed
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Canadian Family Physician: 54 (11)
Canadian Family Physician
Vol. 54, Issue 11
1 Nov 2008
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Ingrown toenail or overgrown toe skin?
Henry Chapeskie
Canadian Family Physician Nov 2008, 54 (11) 1561-1562;

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