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Name:
UMIN ID:

Recruitment status Completed
Unique ID issued by UMIN UMIN000016938
Receipt No. R000019661
Scientific Title Anatomical variety of the posterior wall of nasopharynx
Date of disclosure of the study information 2015/04/10
Last modified on 2015/03/27

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Basic information
Public title Anatomical variety of the posterior wall of nasopharynx
Acronym Anatomical variety of nasopharynx
Scientific Title Anatomical variety of the posterior wall of nasopharynx
Scientific Title:Acronym Anatomical variety of nasopharynx
Region
Japan

Condition
Condition diseases of neck to the head region
Classification by specialty
Oto-rhino-laryngology Oral surgery Plastic surgery
Classification by malignancy Others
Genomic information NO

Objectives
Narrative objectives1 The aim is to verify whether recesses on the posterior wall of pharynx contribute retropharyngeal dissection by measurement of multiplanar CT images.
Basic objectives2 Others
Basic objectives -Others Anatomical characteristics
Trial characteristics_1
Trial characteristics_2
Developmental phase

Assessment
Primary outcomes incidence of recesses on the posterior wall of pharynx including orifice of the Eustachian tube, the fossa of Rosenmuller and pharyngeal bursa and pharyngeal tonsil
Key secondary outcomes

Base
Study type Observational

Study design
Basic design
Randomization
Randomization unit
Blinding
Control
Stratification
Dynamic allocation
Institution consideration
Blocking
Concealment

Intervention
No. of arms
Purpose of intervention
Type of intervention
Interventions/Control_1
Interventions/Control_2
Interventions/Control_3
Interventions/Control_4
Interventions/Control_5
Interventions/Control_6
Interventions/Control_7
Interventions/Control_8
Interventions/Control_9
Interventions/Control_10

Eligibility
Age-lower limit

Not applicable
Age-upper limit

Not applicable
Gender Male and Female
Key inclusion criteria CT images including the neck to the head regions of patients those were examined in departments of oral and maxillofacial surgery, otolaryngology or plastic surgery of Kinki University Hospital
Key exclusion criteria CT images revealing tumor, swelling or malformation of nasopharyngeal region
Target sample size 100

Research contact person
Last name of lead principal investigator
1st name
Middle name
Last name Yoshihiro Takasugi
Organization Kinki University Faculty of Medicine
Division name Department of Anesthesiology
Zip code
Address 377-2 Ohno-higashi, Osaka-sayama 589-8511, Japan
TEL 072-366-0221
Email dzc01654@nifty.com

Public contact
1st name of contact person
1st name
Middle name
Last name Yoshihiro Takasugi
Organization Kinki University Faculty of Medicine
Division name Department of Anesthesiology
Zip code
Address 377-2 Ohno-higashi, Osaka-sayama 589-8511, Japan
TEL 072-366-0221
Homepage URL
Email dzc01654@nifty.com

Sponsor
Institute Department of Anesthesiology, Kinki University Faculty of Medicine
Institute
Department

Funding Source
Organization Kinki University Faculty of Medicine
Organization
Division
Category of Funding Organization Self funding
Nationality of Funding Organization

Other related organizations
Co-sponsor
Name of secondary funder(s)

IRB Contact (For public release)
Organization
Address
Tel
Email

Secondary IDs
Secondary IDs NO
Study ID_1
Org. issuing International ID_1
Study ID_2
Org. issuing International ID_2
IND to MHLW

Institutions
Institutions

Other administrative information
Date of disclosure of the study information
2015 Year 04 Month 10 Day

Related information
URL releasing protocol
Publication of results Unpublished

Result
URL related to results and publications
Number of participants that the trial has enrolled
Results
Results date posted
Results Delayed
Results Delay Reason
Date of the first journal publication of results
Baseline Characteristics
Participant flow
Adverse events
Outcome measures
Plan to share IPD
IPD sharing Plan description

Progress
Recruitment status Completed
Date of protocol fixation
2014 Year 07 Month 16 Day
Date of IRB
Anticipated trial start date
2014 Year 08 Month 01 Day
Last follow-up date
Date of closure to data entry
Date trial data considered complete
Date analysis concluded

Other
Other related information This retrospective observation study revealed as follows; the orifice of Eustachian tube and the fossa of Rosenmuller were located at mean distance of 11.1 mm and 7.0 mm from sagittal plane laterally, 6.9 mm and 8.4 mm from nasal base plane vertically, respectively; the shape of the orifice of Eustachian tube was vertically-long ellipse with longitudinal diameter of 9.3 mm and transverse diameter of 6.6 mm; the fossa of Rosenmuller, identified in 89 % of the subjects, was the fossa with 17.8 mm long and 12.7 mm depth. Pharyngeal bursa was found in 15 % of the subjects. The fossa of Rosenmuller is located close to the pathway of insertion of the nasotracheal tube via the nasal cavity, and may contribute to retropharyngeal dissection.

Management information
Registered date
2015 Year 03 Month 27 Day
Last modified on
2015 Year 03 Month 27 Day


Link to view the page
URL(English) https://upload.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000019661

Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name


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