Immediate Versus Chronic Tissue Expansion

Machida, Brian K.; Liu-Shindo, Maisie; Sasaki, Gordon H.; Rice, Dale H.; Chandrasoma, Para

doi:10.1097/00000637-199103000-00004

Cited by 26 publications

(31 citation statements)

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“…(10), indicate that: (1) the tissue does not grow in the thickness direction (Machida et al 1991), (2) growth is independent along the meridian and parallel directions, (3) there is no preferential direction of growth. According to Eqs.…”

Section: Skin Expansion and Growth Theoretical Modelsmentioning

confidence: 99%

“…A realistic value for the growth constant k λ is deduced on the basis of the experimental test performed on guinea pigs (Machida et al 1991) as described in Sect. 2.3.…”

Section: Skin Expansion and Growth Theoretical Modelsmentioning

confidence: 99%

“…Careful execution of each phase is crucial to the final result of the surgical treatment. Two types of expansion are recognized and used clinically today: prolonged tissue expansion, in which expansion occurs over 1-3 months, and intraoperative tissue expansion, in which the expansion is performed cyclically in the operating room (Machida et al 1991;Mustoe et al 1989).…”

Section: Introductionmentioning

confidence: 99%

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An Axisymmetric Computational Model of Skin Expansion and Growth

Socci

Pennati

Gervaso

et al. 2006

Biomech Model Mechanobiol

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Skin expansion is the principal technique used in plastic surgery to repair large cutaneous defects, typically after tumour removal, burn care, craniofacial surgery and post-mastectomy breast reconstruction. It allows a gain of new tissue by means of gradual expansion of a prosthesis, surgically implanted beneath the patient's skin. Nevertheless, wide clinical use is not supported by a deep quantitative knowledge of the phenomena occurring during the expansion. A finite element model of the skin expansion was developed to evaluate the stresses and the strains of the skin due to the expander inflation and validated by proper in vitro experiments; furthermore, a growth model based on the mechanical stimulus was implemented to estimate the skin area gain. The developed computational approach, composed of the skin expansion model interaction and the growth law, proved its validity to investigate skin expansion phenomena: its use suggests a new predictive tool to optimize clinical procedures and the expander devices' design.

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Section: Skin Expansion and Growth Theoretical Modelsmentioning

confidence: 99%

“…A realistic value for the growth constant k λ is deduced on the basis of the experimental test performed on guinea pigs (Machida et al 1991) as described in Sect. 2.3.…”

Section: Skin Expansion and Growth Theoretical Modelsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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An Axisymmetric Computational Model of Skin Expansion and Growth

Socci

Pennati

Gervaso

et al. 2006

Biomech Model Mechanobiol

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“…While it will not provide the same amount of tissue expansion, it has been shown to be an effective method in the creation of additional local tissue for reconstructive purposes. 3,4,7,15 Foster et al 4 in a case series study on the use of RITE in eyelid reconstruction reported an average reduction of 36% in the linear extent of eyelid margin defects. When applied with the Fricke flap, RITE allows more effective use of the Fricke flap and its application to a wider range of periocular tissue defects.…”

Section: Discussionmentioning

confidence: 99%

The ‘RITE’ use of the Fricke flap in periorbital reconstruction

Wilcsek

Leatherbarrow

Halliwell

et al. 2004

Eye

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Purpose To revisit an important but outmoded periorbital reconstructive technique.We present cases to illustrate the usefulness of the Fricke flap and describe a method of rapid intraoperative tissue expansion (RITE), which can enhance the applicability and effectiveness of the Fricke flap. A comparison between those cases performed with and without adjunctive RITE was not made due to the low numbers available. Methods A retrospective review of clinical cases. Results A total of 20 cases in which the Fricke flap was used for periorbital reconstruction were reviewed. The mean patient age was 64.7 years; the male-to-female ratio was 1 : 1. The patient follow-up ranged from 1 to 8 years with a mean of 4.2 years. The most common cause (65%) of periorbital defect was excision of eyelid malignancy. Necrosis of the terminal segment of the flap requiring further surgical intervention occurred in 10%

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“…16 and Sasaki (personal communication) quantitatively evaluated the effects of prolonged and immediate expansion and simple traction (load cycling) on guinea pig skin. Intraoperative immediate expansion consisted of rapid expansion for 3 minutes followed by deflation of the expander for 3 minutes.…”

Section: Immediate Tissue Expansionmentioning

confidence: 99%

Fundamentals of expanded tissue

Baker

1991

Head & Neck

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The relatively recent advent of tissue expansion for medical purposes precludes the availability of extensive knowledge concerning the physiologic and histologic changes that occur during controlled expansion of the skin. This paper reviews the basic science and clinical research that has been conducted to investigate the changes and summarizes the findings. It can be concluded that flaps harvested from skin previously expanded have an improved survival rate compared to similar flaps developed in nonexpanded skin. Increased vascularity to either the skin, the capsule that forms around the expander, or both probably in some way accounts for the improved survival. Controlled expansion of the skin results in the creation of additional new skin at the expense of thinning the dermis and subcutis. This thinning is associated with an overall decrease in tensile strength of the expanded skin. The increase in surface area gained from skin expansion probably varies according to the type of skin expanded and the underlying tissues that serve as a foundation for the expander.

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Immediate Versus Chronic Tissue Expansion

Cited by 26 publications

References 0 publications

An Axisymmetric Computational Model of Skin Expansion and Growth

An Axisymmetric Computational Model of Skin Expansion and Growth

The ‘RITE’ use of the Fricke flap in periorbital reconstruction

Fundamentals of expanded tissue

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