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Scholarly Works (2 results)

  • Article
  • Peer Reviewed
Dermatology Online Journal, Volume 21, Issue 10 (2015)

Background: The use of ventriculoperitoneal (VP) shunts has become ubiquitous in neurosurgery for the treatment of hydrocephalus. VP shunts work by creating a conduit for cerebrospinal fluid (CSF) to flow from the cerebral ventricles to the peritoneum and thus relieving pressure. Although typically safe, VP shunt complications are extremely common, occurring in up to 29% of adult cases and approximately half of pediatric cases. These complications may require patients to undergo several revisions throughout their lifetime

Purpose: We describe a man who developed scalp necrosis overlying his VP shunt. We also summarize the potential complications of VP shunts. We discuss the presentation and pathogenesis of scalp necrosis in these patients.

Materials and methods: A PubMed search of the following terms was performed and relevant citations were assessed: ventriculoperitoneal shunt, VP shunt, shunt complications, scalp necrosis, skin necrosis, ventriculoperitoneal shunt induced scalp necrosis, ventriculoperitoneal shunt induced skin necrosis.

Results: A 73-year-old man developed VP shunt-induced scalp necrosis leading to loss of skin overlying the shunt valve. The patient was emergently referred to neurosurgery and admitted for revision of the shunt due to the significant risk for infection. The VP shunt was replaced with an external drain and a skin flap was used to repair the defect.

Conclusion: VP shunts are devices that are frequently used for reducing intracranial pressure associated with hydrocephalus. The insertion of the shunt beneath the scalp sets the stage for potential pressure-induced scalp necrosis. The early recognition and diagnosis of VP shunt-induced scalp necrosis is essential to prevent infections and future complications.

    Cover page: Scalp necrosis overlying a ventriculoperitoneal shunt: a case report and literature reviewCreative Commons 'BY-NC-ND' version 4.0 license
    • Article
    • Peer Reviewed
    UC San Diego Previously Published Works (2015)
    Acne vulgaris is a common and chronic skin disease, and is a frequent source of morbidity for affected patients. Treatment of acne vulgaris is often difficult due to the multifactorial nature of this disease. Combination therapy, such as that containing clindamycin and benzoyl peroxide, has become the standard of care. Several fixed formulations of clindamycin 1% and benzoyl peroxide of varying concentrations are available and have been used with considerable success. The major limitation is irritation and dryness from higher concentrations of benzoyl peroxide, and a combination providing optimal efficacy and tolerability has yet to be determined. Recently, a clindamycin and benzoyl peroxide 3.75% fixed combination formulation was developed. Studies have suggested that this formulation may be a safe and effective treatment regimen for patients with acne vulgaris. Here, we provide a brief review of acne pathogenesis, benzoyl peroxide and clindamycin, and profile a new Clindamycin-BP 3.75% fixed combination gel for the treatment of moderate-to-severe acne vulgaris.
      Cover page: Profile of clindamycin phosphate 1.2%/benzoyl peroxide 3.75% aqueous gel for the treatment of acne vulgaris
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