Pericranial Healing and the Temporalis Myo-Osseous Flap in the Rabbit Model

Lo, Adrian K. M.; Colcleugh, Robert G.; Anderson, Clare

doi:10.1097/00006534-199207000-00003

Cited by 3 publications

(3 citation statements)

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“…With a robust vascular arcade coursing the periosteum, knowing the time of adherence and blood supply availability would likely impact the Cranial dissection in the subperiosteal and subgaleal layer 167 surgeon's reconstructive options such as maximising integrative success of allograft materials. Revascularisation in the subperiosteal plane is rapid, as early as 4 days according to Lo et al [15]. Our results demonstrate hypertrophy to the vessels present in the temporal cranial bone and outer fibrous layer of the periosteum, but no statistically significant increase in vessel number.…”

Section: Discussionsupporting

confidence: 69%

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Dissection in the subgaleal and subperiosteal plane: Implications on scalp wound healing

Rapp

Jones

Billmire

et al. 2013

Journal of Plastic Surgery and Hand Surgery

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Craniofacial reconstruction often involves the use of dissection in the subperiosteal or subgaleal plane to access the cranial vault and facial skeleton. Clinically, physical changes to the periosteal layer and underlying cortex were observed in the re-operative field. This article compares aspects of wound healing, structural integrity of the progenitor periosteal layer, and underlying bony changes when elevating a subgaleal or subperiosteal flap in a Lewis rat calvarial model. Cranial dissection in the subperiosteal or subgaleal plane was performed on 14 Lewis rats. En bloc resection of the calvarium and overlying soft tissue was harvested at days 0, 1, 3, 7, 14, 28, and 56. Samples underwent SEM imaging and were analysed histologically after trichrome and haematoxylin and eosin staining. One sample of native periosteum underwent cellular expansion to determine periosteal cell regenerative capability. Up to 56 days, subperiosteal dissection results in diffuse hypercellularity within the cambial layer (p < 0.001). There are irregular cortical changes at the periosteal interface and increased disorganised bone remodelling at the temporal ridges. Subgaleal dissection did not reveal any underlying bony changes, and cell counts were not significantly different from controls (p < 0.001). Subperiosteal dissection causes structural and cellular changes to the periosteum and underlying bone composition with a possible influence on its regenerative capability.

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Section: Discussionsupporting

confidence: 69%

“…Varying outcomes have been reported in relation to length of healing time, wound strength, preservation of vascular supply, and the ability to preserve native architecture [9][10][11][12][13][14][15]. Brownlow et al [9] demonstrated a partial and complete disruption of the cambial layer with sharp and blunt dissection, respectively.…”

Section: Discussionmentioning

confidence: 99%

Dissection in the subgaleal and subperiosteal plane: Implications on scalp wound healing

Rapp

Jones

Billmire

et al. 2013

Journal of Plastic Surgery and Hand Surgery

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“…Pericranial healing has been studied previously. In a study by Lo et al 9 rabbit pericranial tissue was found to be revascularized 4 days after subperiosteal elevation. The authors used bone scanning with technetium Tc 99m methylene diphosphonate to assess revascularization but tensiometric adherence of the pericranial tissue was not addressed.…”

Section: Commentmentioning

confidence: 98%

Evaluation of Pericranial Skull Adherence During Healing in the Rabbit Model

Kriet

Yang

Wang³

et al. 2003

Archives of Facial Plastic Surgery

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Background:The endoscopic brow-lift is a popular technique for rejuvenation of the aging brow and forehead. Long-lasting results depend on readherence of the pericranium to the underlying skull in the newly elevated position. Determination of the time required for pericranial readherence to occur is important when considering optimal brow fixation time postoperatively; however, few studies of pericranial healing exist in the literature.Objective: To quantify the time required for pericranial adherence after pericranial elevation in a rabbit model. Design: Anesthetized New Zealand white rabbits underwent elevation of a pericranial flap on day 0. The flap was then repositioned and the skin sutured. One unoperated-on group served as a control. A tensiometer was used to measure the force required to separate the pericranial flap from the skull of the control animals and of test animals killed on postoperative days 3, 5, 8, 10, 13, 17, 20, 25, and 28. Statistical analysis was performed to determine the effect of healing time on the strength of pericranial readherence.Results: There was a statistically significant decrease in the force required for pericranial separation at 3 and 5 days after surgery compared with the control group. By 8 days postoperatively and throughout the subsequent times examined, no statistically significant differences from the control group were observed. Conclusion:In this rabbit model, pericranial adherence (as measured by tensile strength) is decreased postoperatively and does not return to baseline levels until postoperative day 8.

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Double-Advancement ‘H’ Flaps for Very Large Defects of the Forehead: Design, Planning and the Use of Sub-periosteal Dissection to Increase Mobility

Paul

2016

Clinical Cases in Skin Cancer Surgery and Treatment

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Pericranial Healing and the Temporalis Myo-Osseous Flap in the Rabbit Model

Cited by 3 publications

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Dissection in the subgaleal and subperiosteal plane: Implications on scalp wound healing

Dissection in the subgaleal and subperiosteal plane: Implications on scalp wound healing

Evaluation of Pericranial Skull Adherence During Healing in the Rabbit Model

Double-Advancement ‘H’ Flaps for Very Large Defects of the Forehead: Design, Planning and the Use of Sub-periosteal Dissection to Increase Mobility

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