The Relationship Between Postoperative Oxygenation and STOP-BANG Questionnaire and 4-V Tool

The Relationship Between Postoperative Oxygenation and STOP-BANG Questionnaire and 4-V Tool in Preoperative Bariatric Surgery Patients

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT03838705

Enrollment

Registered

2019-02-12

Start date

2018-01-20

Completion date

2018-07-01

Last updated

2019-02-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Bariatric Surgery, Hypoxia

Keywords

stop-bang, bariatric surgery, obesity, hypoxia

Brief summary

In our study, we aimed to investigate the relationship between STOP-BANG and 4-Variable Screening questionnaires in postoperative period in patients who underwent bariatric surgery.

Interventions

PROCEDUREhypoxia

It was accepted that hypoxia developed in patients with SpO2\< 92 or falling over 20% compared to preoperative values.

PROCEDUREnormooxy

It was accepted that patients with SpO2 between 100-92 mmHg

Study design

Allocation

Intervention model

SINGLE_GROUP

Primary purpose

SCREENING

Masking

NONE

Eligibility

Sex/Gender

ALL

Age

21 Years to 64 Years

Healthy volunteers

Yes

Inclusion criteria

* BMI\>40 * bariatric surgery patients

Exclusion criteria

* malignancy * patients who are unable to complete the questionnaire * patients who needs laparotomy

Design outcomes

Primary

Measure	Time frame	Description
SpO2	48 hours	Peripheral Oxygen Saturation

Secondary

Measure	Time frame	Description
STOP-BANG	preoperative 24 hours	The value of STOP-BANG questionnaire
4-V Tool	preoperative 24 hours	The value of 4-V Tool

Countries

Turkey (Türkiye)

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026