Does the Deep Layer of the Deep Temporalis Fascia Really Exist?

Anatomy Clinical Trial

Official title:

A New Discovery on the Temporal Fascial Layers: Does the Deep Layer of the Deep Temporalis Fascia Really Exist?

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT03308318
• Other study ID #: hui_owe
• Status: Completed
• Phase: N/A
• First received: October 5, 2017
• Last updated: October 11, 2017
• Start date: June 17, 2013
• Est. completion date: June 13, 2017

Study information

• Verified date: October 2017
• Source: West China College of Stomatology
• Contact: n/a
• Is FDA regulated: No
• Study type: Observational [Patient Registry]

Clinical Trial Summary

It has been widely accepted that a split of the deep temporal fascia occurs approximately 2 to 3 cm above the zygomatic arch, named the superficial and deep layers. The deep layer of the deep temporal fascia lies between superficial temporal fat pad and the temporal muscle. However, during the investigators' previous surgeries, the investigators did not find the deep layer of the deep temporal fascia between superficial temporal fat pad and the temporal muscle. This study was conducted to clarify the presence or absence of the deep layer of the deep temporal fascia. And the investigators' clinical study has confirmed the absence of the deep layer of the deep temporal fascia between superficial temporal fat pad and the temporal muscle.

Description:

The anatomic layers of soft tissues of the temporal region, with regard to the deep temporalis fascia, was investigated in 169 cases operated upon with zygomaticofacial or craniofacial fractures using the supratemporalis approach from June 2013 to June 2017. Among 167 surgeries, this so-called "deep layer of the deep temporalis fascia" was not observed. In fact, the superficial temporal fat pad is closely attached to temporal muscle above the zygomatic arch.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 167
• Est. completion date: June 13, 2017
• Est. primary completion date: June 13, 2017
• Accepts healthy volunteers: No
• Gender: All
• Age group: 10 Years to 68 Years

Eligibility

Inclusion Criteria:

Clinical and imaging diagnosis of zygomaticofacial or craniofacial fractures A need to operate using the supratemporalis approach No previously surgical treatment

Exclusion Criteria:

unobvious displaced fracture disagree with the surgical treatment previous unsuccessful surgery at the temporal region

Related Conditions & MeSH terms

• Anatomy
• Craniocerebral Trauma
• Temporal Region Trauma

Intervention

Procedure:
• The supratemporalis approach
The incision differs according to specific fracture sites. It can be a hockey stick-shaped incision, hemicoronal incision, and full coronal incision. The first layer of dissection was just under the superficial temporalis fascia.Then, approximately at the level of 3-5cm above the zygomatic arch, our modified incision was carried through the deep temporalis fascia.Next, the superficial fat pad was encountered and retracted anteriorly, which was in close contact of the temporal muscle. Finally, a flap that included skin, subcutaneous tissue, the superficial temporal fascia, the areolar fat tissue, the deep temporalis fascia and the superficial temporal fat was reflected as a whole anteriorly, fully exposing the temporal muscle and zygomatic arch.

Locations

Country	Name	City	State
n/a

Sponsors (1)

Lead Sponsor	Collaborator
West China College of Stomatology

References & Publications (29)

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* Note: There are 29 references in all — Click here to view all references

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	deep layer of the deep temporal fascia	the investigators did not find the deep layer of the deep temporal fascia between superficial temporal fat pad and the temporal muscle	during surgery