SURVEY: Testing for GDM Post Bariatric Surgery

There is minimal guidance in the Literature on how best to assess Glucose Tolerance post Bariatric Surgery. This is of particular relevance in testing for GDM given the increasing levels of obesity and bariatric surgery in women of child bearing age. Consequently, we would greatly appreciate your response to the following survey questionnaire seeking information on current practices in Australia.

The survey is being distributed to both NADC and ADIPS members – please only complete it once.

Name / Centre Name ______State / Territory ______

Are you / Is your Centre involved in the Management of women with GDM?Yes / No

If No, thank you, PLEASE RETURN THIS FORM BY FAX AS BELOW.

If Yes:

Have you adopted the new GDM diagnostic pathway and criteria endorsed by ADIPS RANZCOG Yes / No

OR Are you still using 1998 ADIPS GDM diagnostic criteria Yes / No

How many pregnant women have you treated who have had Bariatric Surgery?

NONE / 1-5 / 5-10 / 15+ /______

Of these, what was their surgery type?

Lap Band– Number (Approx) ______

And / Or

Gastric Sleeve – Number (Approx) ______

And / Or

Bypass Surgery – Number (Approx) ______

Do you / Does your Centre have a POLICY for GDM testing of women post Bariatric Surgery? Yes / No

For GDM testing post Bariatric Surgery are you using / would you advise?

An OGTT Yes / No

[ie applying standard diagnostic criteria equally to women with & without a history of bariatric surgery]

OR

Are you using an alternative approach to GDM diagnosis in women who have had bariatric surgery, such as:

(i)Fasting BG ONLYYes / No

If so ONE or MORE THAN ONE fasting blood glucose measurement?

What is your diagnostic cut-off ______mmol/L

(ii)HbA1c ONLYYes / No

What is your diagnostic cut-off ______%[mmol/mol]

(iii)Random BGL Yes / No

What is your diagnostic cut-off ______mmol/L

(iv)Post ‘Meal’ BGL Yes / No If Yes please specify type of meal ______

What is your diagnostic cut-off ______mmol/L

(v)Self monitored blood glucose (SMBG) measurements (fasting,1 hour / 2 hour post-prandial) for approximately one week during 24-28 weeks of gestation Yes / No

(vi)Continuous Glucose Monitoring sensor worn for a minimum of 3 consecutive days Yes / No

(vii)A combination of the above Yes / No (If yes – which combination?) ______

(viii)Other ______

Other Comments. ______

______

Thank you for taking the time to complete this short survey.

Please return to Prof Jeff Flack & A/Prof Glynis Ross by fax at 02 97228366 or scan and return by email to: