Cardiac Catheterization on top of Type 2 Di... - Kidney Disease

Kidney Disease

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Cardiac Catheterization on top of Type 2 Diabetes and CKD

VeteranPatient profile image

I am female, age 77 have Type 2 diabetes, Stage 3B CKD, no thyroid gland, and now a heart condition. Due to have cardiac catheterization in September. I had to cut back on Metformin when my kidney function dropped, but it has now improved, GFR 38. HbA1c 5.6. I have to stop Metformin altogether 3 days before the procedure and for 3 days post. Anybody out there with similar experience and advice?

12 Replies
Bassetmommer profile image
BassetmommerNKF Ambassador


Metformin is a drug that they are very cautious giving to kidney patients. It is something you should really speak to your doctor about. There are other drugs you can take for diabetes that are less taxing on the kidneys.

orangecity41 profile image
orangecity41NKF Ambassador in reply to Bassetmommer

Thanks for information on Metformin.

I am currently taking 500mg per day, down from 1000. My endocrinologist is a Clinical Associate Professor at the University of Pennsylvania. The nephrologist also there Is Clinical Assistant Professor. I check with her on all changes in meds, up, down or new. Walking more. I will be off Metformin for 6 days surrounding the procedure.

Doing telemedicine appts. now, due to Covid. Will discuss at next appt. Thanks.

I had no idea --Metformin affects kidney.

I did not know that either until recently. I had 3 factors against me regarding renal insufficiency. My father died from that. I am diabetic like my mother was. The third factor and actual trigger was an infection in my ankle after a bimaleaolar fracture and 3 surgeries followed by 6 weeks of two IV antibiotics which left me seriously dehydrated. I lost 15 pound in 6 weeks. Right after that was my first abnormal kidney test.

Hi Veteran Patient! My husband is 70 years old, has Diabetes Type II, and recently went on dialysis. He's been on pills and insulin over the years. The "gold standard" for diabetes is insulin. It's the most effective treatment and a more natural substance (chemically similar to the insulin produced by your body), and lacks many of the potential side-effects inherent to oral medications. Insulin is administered by a super fine needle "pen" so it's very easy to administer, virtually pain-free, and is administered up to, during, and after surgeries, etc. I say this because it's exceptionally important to stop the damage diabetes does to your kidneys, your vascular system, your cardiac system, etc. in the best possible way. My husband has moved from 100 drops of insulin daily to now 6 drops...with the intent to get off it completely. (If he had done this earlier, we wouldn't be in the situation we are in now.) People assume that when diabetes is "controlled", the threat is removed. But it continues in very subtle ways. Returning your body to it's pre-diabetes condition is your ticket to superior outcomes. Your GFR numbers indicate that you have time to halt the damage. And that is very good news! So it may well be worth it re-examine your diabetes therapy with your diabetes endocrinologist. We wish you the very best in your journey. And I'm cheering you on to a dialysis free, quality life.

Fatbuddy profile image
Fatbuddy in reply to Darlenia

Wow --you like insulin so much. Nice to know that you dropped from 100 units down to six.

Thank you. I am aware of the pros and cons. My mother was afraid of insulin at a time when there were only 2 oral meds, and she died at 70 from complications of diabetes. My sister is on long and short acting insulin because she could not tolerate metformin. I now have an increased interest in better control over all of my conditions, and am working very hard at it in terms of diet and exercise. As those conditions improved after I began the harder work, I will ask if there are other oral drugs that don't damage kidneys. My BMI is normal.

Relax --worrying will not help. Your gfr is still good.

*** what procedure you

going to have ? ?

**** Not sure why they will stop Metformin ? any

substitute ? ?

**** you had catherization in September --did they

install Stents ? ?

**** I had complete heart failure in March 2019.

That time nurses did not

control my diabetes properly -- but have no

damage to kidney.

I am on insulin since then.

Short acting 12 to 16 units -- Novolog and long acting 36 units at

night --Levimir.

**** I am surprised --you have Professors as your doctor ! ! You should have

private doctors. You must

have medicare supplement

Advantage PPO.

**** I am 75 years young,

live in Atlanta, diaberic Type 2 for 24 years.

They are private doctors who accept Medicare and also use my supplemental insurance of (retired) federal employees' Blue Cross Blue Shield PPO. Opinions of physicans of professorial rank at a leading medical school carry greater weight than other private doctors. In general, Penn is one of the top ten medical schools in the US.

tHATS GREAT --YOU HAVE GOOD INSURANCE --LESS WORRY-- enjoy next 20 years with hubby and grand kids


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