A Techie Type 1 Reviews the New Medtronic “Revel” Insulin Pump + CGM System

Technology blogger and Type 1 diabetic Scott Hanselman works for Microsoft, and is quite famous in software developer circles.  As it happens, he’s been wearing the brand new “Revel” combo Insulin Pump and Continuous Glucose Monitor (CGM) system from Medtronic for six days now, and has just posted his thoughts on his tech blog, Computer Zen.  He’s also kindly agreed to allow me to publish simultaneously here at the ‘Mine.



A Review of the Paradigm “Revel” by Scott Hanselman

Beginners and non-diabetics: Start by reading Scott’s intro to the basics of pumping and CGM systems here.

The Paradigm series of pumps are an Insulin Pump, but also a CGM receiver. They talk wirelessly to the CGM transmitter (see the picture above that is not my stomach) as well as wirelessly to a finger stick blood sugar meter. It’s all one integrated thing.

To review, insulin pumps are not automatic. They don’t deliver without me saying so. While the pump talks wirelessly to meters and CGMs and stores values in memory, it doesn’t act on them. There is no “closed loop” system. The delays involved are too great. However, the new “Revel” pump does add a number of cool new features that are making my life easier already. I think it’s a great upgrade and if you have a MiniMed pump you should try to upgrade with their “Pathway Program.” It’s worth it.

New Features

Better charts. Previously the charts were either 3 hours or 24 hours. Far to zoomed in, or so far out as to be useless. Now you can zoom 3, 6, 12, 24. Here’s some screenshots:

It was amazing how this apparently small upgrade changes the experience with the pump. The 6-hour view is a dream.

Predictive Alerts

This is the killer feature that has already helped me at least twice a day in the last week. The new Revel has a “rate of change” detection algorithm that is totally user-settable. If the pump decides that you will hit a high blood sugar if your current rate of change goes unchecked, it’ll let you know via an alarm. This is the one feature I always needed and it works just as you’d wish it did.

This feature did initially cause me to stack insulin a bit and caused a few lows as I was acting extra aggressively to squash highs, but I am finding I’m getting used to it. I wish it hadn’t taken 5 years to get it. That’s the tragedy of medical devices. You’re thrilled with your multi-touch color screen portable device and I’m happy if I get one firmware update every 5 years. The difference is, my phone crashed twice today. This pump has never crashed in 10 years. We sacrifice innovation for stability.

Subtle but Important Improvements

One of the most important numbers for a pumper is the amount of insulin that’s “pending” or “active.” Most insulin takes about 3-4 hours to get out of my system, so if I take 5 units now, and 5 more units in an hour, that’s stacking doses. If I remembered or was told that I had ~5 units active, I might not have taken that second dose and could avoid a nasty low. The Revel automatically calculates the active insulin and shows you it in three new places. First, on the status screen, second in the manual bolus (dose) screen, and again on the Bolus Wizard. It was buried in the UI before, now it’s front and center.

The motor is more precise now, letting you do basal rates as low as 0.025 units per hour, crucial for young people.

Conclusion

This upgrade, the Revel, makes a great pump better. It was totally worth the $399 Pathway upgrade. If you’re on a Minimed pump, get the upgrade. If you’re not on a pump, consider getting one, it’ll change your life.


Dear Readers,
If you enjoyed this review:

PLEASE CONSIDER DONATING TO TEAM HANSELMAN

Scott has raised almost $20,000 already this year, and is aiming for $50K. Go, techie type 1 guy!!



April 22, 2010 | Permalink | Comments (18)

Design Challenge: Five Minutes with Our Venture Capitalist Judge

A new addition to our DiabetesMine Design Challenge Judges’ Panel this year is John Steuart, Managing Director of Claremont Creek Ventures, a venture capital firm that invests in early stage information technology companies. John himself has spent the last 20 years building and investing in technology and life science companies, so you might say he knows his stuff.

Today, we spend a few minutes ‘picking this VC’s brain’ on mobile health solutions and other innovations that could potentially change the world:

DBMine) As an expert in technology and life sciences, what do you see as the hottest innovations in health right now and why?

JS) Innovations stemming out of sequencing of the human genome which leads to more personalized approaches to health care is one of the very hot areas of innovation right now.  Everything from specialized genomic or molecular diagnostic testing to determine better therapy selection or disease susceptibility to targeted treatments show great promise.

What do you think stands out at the moment in terms of diabetes in particular?

The search for longer-term implantable glucose management systems is an area of great investment and excitement.

Programs to promote healthy lifestyles and reduce risk factors for type 2 diabetes is another area with true potential.

What about new mobile health solutions – embedding health programs in cell phones, etc.? How do you determine which apps have a real future?

Mobile health tools represent an opportunity to move technology closer to the patient.  The key issue for a venture investor will be applications which can scale into a mass offering from a large company.

What’s a good example of a truly disruptive technology you’ve worked on, backed by a solid business plan?

Tibion Corporation with an external robotic power knee brace to make stroke patients ambulatory is an example of a disruptive business plan and technology that we’ve financed.

How will national health care reform help or hinder these exciting innovations?

In the short term, national health care will be a net neutral to innovation.  In the longer term, it will favor cost-sparing innovations over other technologies as cost containment policies kick into higher gear.

The DiabetesMine Design Challenge is open to everyone — amateurs and tinkerers included.  What potential do you see in an open innovation competition like this?

The challenge levels the playing field so that inventors and technologists of all stripes can bring their ideas to an open forum and come a step closer to commercialization.  The feedback alone should be worth its weight in insulin.


You said it, John, thank you.

NOTE: Just about one more week is left to enter the competition! Please read the rules carefully here before making your submission.

April 22, 2010 | Permalink | Comments (2)

Happy Birthday to Me

Glucose averages looking good. Got a clean mammogram result last week. Enjoying a beautiful — if not entirely sunny — day today with my partner (still the love of my life) and my three unbelievable girls.

Thinking about how much fun we had over Spring Break a few weeks’ back:


Life is good, even when you no longer want to share *which* birthday you’re celebrating.

And that’s all I have to say about that.

April 21, 2010 | Permalink | Comments (14)

Balancing Pregnancy with Diabetes: the Book + the Interview

Cheryl Alkon, journalist and D-blogger at Managing the Sweetness Within (pictured right) has written the book that many a would-be-mom with diabetes has been waiting for: an ‘insider’s guide’ to having a baby with this illness. Titled Balancing Pregnancy with Pre-existing Diabetes, it covers the whole pregnancy experience, from the months before you begin trying for a baby, through conception, all three trimesters, labor and postpartum.

Having already had my three wonderful babies before my diagnosis (and not planning to make anymore), I decided this book review was best left to someone personally effected. Therefore, please enjoy today’s review/interview from my advocate friend and intermittent correspondent, Allison Blass.



A Guest Report by Allison Blass

Allison Blass

Now that I am in my mid-20s, I’ve become more and more aware of starting a family. Making sure I have a good job, living in a good neighborhood, paying attention to what people say about schools… it’s all very grown-up. But as a type 1 diabetic, having children has an extra layer of complication, and I’m thinking about pregnancy even before I’m engaged. So I was so excited to find out about (and be able to review) Cheryl’s new book.

I found the book informative and thorough, while remaining friendly and easy-to-read. She offers testimonials from dozens of “experts” — type 1 moms who have been there! including a few D-OC favorites like Kerri Sparling, Michelle Kowalski and Kassie Gregario Palmer (who wrote the book on being a parent with type 1 diabetes). She covers everything from how to find the right doctor to how to get your A1C into Baby Range, all the way to how to put together a birth plan that you’ll be comfortable with. This is definitely a book that I will be reading and re-reading side-by-side with What to Expect When You’re Expecting

Cheryl was also kind enough to answer a few questions:

AB) It’s every blogger’s dream to write a book, no? How did you go about getting this book deal?

CA) I began blogging specifically to develop a platform for a potential book on pregnancy and diabetes. I’ve always worked in journalism, and I’d thought about writing books long before I began blogging back in 2005. Around that time, I was newly married, an old lady of 35, and knew that I’d have to work on having kids sooner rather than later because of my age. I soon realized that if I wanted an insider’s guide to diabetes and pregnancy, I would need to write it myself. I figured if I could develop an established readership with a blog about diabetes and pregnancy, I could show that there was a potential audience. This would be a strong selling point for an agent or publisher.

Once the proposal was in top shape, I contacted an editor I knew who worked for a company that published a lot of diabetes titles. He was interested in seeing the proposal, but I didn’t hear back from him after about two months. A friend told me I should consider looking for a literary agent at that point. I got a terrific list of potential agents from Melissa Ford of Stirrup Queens, who was trying to sell her own project. I researched to see if they covered women’s health or diabetes topics, and then sent out about query letters. Many agents, including the editor of the diabetes books who finally got back to me, said it was a great proposal, but that the topic was too small for them to take on. They didn’t think it would sell enough copies to make any money on it. Others were intrigued — I ultimately got to pick my agent from about five who were interested. I picked Molly Lyons at Joelle Delbourgo and Associates because she didn’t want me to significantly change the scope of the book, she seemed genuinely interested in the project, and she had a great reputation.

I signed with Molly in fall 2008 and the economy was tanking. She waited until after the new year to send the book out to about 20 publishers. Once again, I heard the same concerns: the book wouldn’t sell to enough people, and how would it make money for a publisher? More academic publishers were concerned that my tone wasn’t formal enough. I eventually signed with Noreen Henson of Demos Medical Publishing in February 2009, and spent most of that year writing the book itself. The book came out this month, so it’s taken five years from initial concept to finished product!

Women have been having babies with diabetes for years, yet this is the first book about being pregnant with pre-existing diabetes. Why do you think it’s taken so long for this need to be recognized?

To be specific, mine is the first full-length book in the US that is an insider’s guide to the subject. There are several titles written by medical professionals (just type in “diabetes” and “pregnancy” in Amazon and you’ll see what comes up). A great book about parenting with diabetes came out in 2006 while I was in the midst of working on my proposal, and the book covers pregnancy in part. There is also an out-of-print book published in Australia that was co-written by a type 1 woman and a doctor, but it was tough to track down, pricey, and pretty clinical.

As mentioned, this book wasn’t out there because few publishers thought it would sell enough copies to make any money. I had to be very specific in my proposal about how many women in the US and worldwide had diabetes that were potentially pregnant in a year. To increase potential sales, I eventually included type 2 women in my book too. (The original proposal was for type 1 women only).  These numbers of annual diabetic pregnancies aren’t tracked anywhere (I contacted a lot of diabetes associations, groups, and researchers around the world to try to pin down the numbers, and got several estimates). But showing that I had readers on my blog who were hungry for the information was helpful in proving this was something that women really wanted and wished was available.

You wrote this book mostly after you had your baby. What were some things you learned that you wished you had known during your own pregnancy and birth process?

Honestly, I knew a lot about pregnancy with diabetes going into it because I’d been researching the subject for awhile, plus I had fantastic doctors. I would tell anyone that high blood sugars happen — we’re all living with diabetes, and that comes with the territory. Do what you can to get your sugars into the recommended ranges — use a pump, a CGM (continuous glucose monitor), eat right, exercise if you can, and stay on top of all the medical appointments. Even if you conceive with out-of-range blood sugars, you aren’t guaranteed to have a baby with health problems. The risks are higher, but they aren’t guaranteed. And of course, work as hard as you can to get your A1c down as soon as you find out that you’re pregnant.

I also stressed out about formula-feeding our son once he arrived — the link between formula based on cow’s milk has had a potential link to type 1 diabetes development. For whatever reason, I had major breast milk supply issues, so I couldn’t feed my son breast milk alone. I’ve since talked to the researcher studying this very question (his quotes are in my book — see chapter 8!), and he confirmed what I suspected — predigested formula is most likely a better choice for a baby potentially predisposed to type 1 diabetes than a standard formula. The idea is that cow’s proteins may somehow cause a reaction that might lead to type 1, but the pre-digested formula breaks down the cow’s milk proteins to levels that won’t irritate the baby’s digestive system, and are therefore believed not to cause that reaction.

I’m in my mid-20’s and, while having a baby is not quite on the forefront of my mind, how early do you think it makes sense to start preparing for pregnancy? How far in advance did you start?

In my mid-20s, having children was nowhere on my radar. I was far more into my career and didn’t want to get married until I was at least 30. Once I turned 30, though, I knew that it was tougher to conceive (fertility rates start declining for women at 27), and that I had to think seriously about finding “Mr. Cheryl Alkon” and having a family together. I met my husband, David, when I was 32, and we got married when we were both 34. Once I hit 35 in 2005, I was like, “let’s go.”

It’s suggested that you talk to your endocrinologist and meet with a high-risk obstetrician or maternal-fetal medicine specialist about 6-12 months before you want to start trying to conceive. This is so you are fully aware of what it takes to get and stay pregnant with type 1 or type 2, and to get your A1cs into the recommended range before getting pregnant. Some doctors say an A1c under 7.0 is fine, while others recommend being under 6.5 or even under 6.0.

Thankfully, my A1cs have always been in a good range, in the sixes, well before I was pregnant. This is because I spent a lot of time over the years thinking about food, how it affected my blood sugars, and exercising. I went on an insulin pump at age 30, and I typically test my blood sugar many times a day anyway. I’m now also on a CGM and rely on it a lot.

What did your husband do to help with your diabetes before and/or during your pregnancy? In other words — any tips for the partners of moms-to-be?

When we first started dating, I got Dave the book The Family and Friends Guide to Diabetes, and he read that so he’d know what he was getting into being in a relationship with a woman with diabetes. Before pregnancy, Dave wondered why I spent so much time online reading email newsletters and blogs about diabetes. He makes fun of me all the time, even today, actually, and wonders if we people with diabetes speak in some kind of secret word jumble code to each other. “Do you talk about your TERMES (word jumble for blood glucose METERS) together?” he asks. Even without a TERME of his own, Dave still came with me to every pre-conception doctors’ appointment and would take detailed notes about what the doctor said about diabetes or blood sugar control or whatever. (In this respect, we are both fantastically type A).

However, I actually cried at the first appointment we had with the obstetrician. This doctor, like many, really stressed the risks of pregnancy with diabetes, all the terrible things that could happen, and I left the appointment quite discouraged. But Dave told me he’d do whatever he could to support me while trying to get pregnant, and has been very helpful. I am pretty independent when it comes to diabetes management, but Dave will get out of a warm bed to go grab me some juice if my blood sugar is dropping in the middle of the night and I haven’t restocked my night-table with a quick sugar stash.

In terms of tips, I’d say: talk to your partner about what you need from them. I have a friend whose husband inserted her infusion sets while she was pregnant because she was too uncomfortable to do it herself at the end. This isn’t something I’d ask someone to do for me (especially since Dave is not a fan of needles), but it’s great when Dave brings me the juice boxes at 2am. Let your partner know what you need, and why it helps you out.

We PWDs are used to controlling our BG management ourselves. How much say did you actually have when you were pregnant? What about when you were in the hospital?

Diabetes management is always about control, and while I was pregnant, it was the same thing. I worked closely with my endocrinologist and high risk OB and pretty much agreed with them when they suggested insulin adjustments or other changes. While in the hospital delivering, I did go off my pump and went on an insulin drip, which was the protocol for where I gave birth. Some people have a hard time with this and insist on keeping their pumps on, but an insulin drip works faster than a pump can. As long as I could see that a drip was working right, by regularly checking my own blood sugars throughout the process, giving up my pump for a drip didn’t seem like a bad thing to me.


How does the postpartum period affect diabetes? I always imagine that once you’ve spent 9 months managing your diabetes so intensively, it would be easier to keep some of those habits up. Any truth to that?

Conversely, I found with the women I interviewed, as well as for myself, it’s a real pleasure to stop freaking out every time the TERME reading went above 140 mg/dl. Managing the tight sugars that are recommended during pregnancy is pretty tough, and for me, dealing with the many accompanying low blood sugars, frankly, sucked. At the same time, highs suck, too. I ate a corn muffin the morning after I delivered. To me, eating a corn muffin is like eating a huge slice of cake, and after many months of pregnancy and tight sugars, I just wanted a little sweetness without worrying about my son being born with three heads. But my blood sugars that day were well into the 300s, something I remember to this day because they hadn’t been so high for so long.

Immediate postpartum brings with it a lot of sleepless nights, and hello! a whole other person to care for. It can be easy to forget to test a blood sugar before a meal if you don’t even know when you’ll get to eat because someone needs a diaper change, and then a feeding, and then to be burped, and then to be changed after spitting up all over the cute outfit.

But numbers within non-diabetic ranges help you feel better, and, according to one researcher I talked to for the book, help normalize the flavor of breast milk so that a newborn is less fussy. For me, just trying to stay under 200 mg/dl in the early days and weeks of motherhood was my goal.

In addition to diabetes, you also struggled with (in)fertility issues. Any plans for a Baby L #2?

I think it’s fair to say that, after dealing with the rigors of infertility, no one can predict the future. If I have any news on that, I promise I’ll post it on my blog, Managing the Sweetness Within.


Thank you, Allison and Cheryl, for a frank conversation on a difficult subject (I should know; I found all three births difficult even without the diabetes :o )

April 20, 2010 | Permalink | Comments (7)

What’s New in Diabetes Goods: Reader Tips

Thankfully, many readers send me emails when they hear about something newsworthy/ different/ fun/ controversial/ or quirky in the world of diabetes. Thank you! And keep those tips coming, pahhhleeese, People.

Today, from the mailbag, three items that I simply had to share:



New OneTouch Delica Lancing Device

This one’s so new it doesn’t even appear on the JNJ OneTouch website yet — but appears to available via DiabeticPromotions.

According to my reader tip: “At first glance, it seems like a second-generation of the OneTouch UltraMini lancing device with the depth selector placed at the back instead of mid-body… Lifescan may be trying to compete against all the other newer, more expensive lancing devices on the market with this new proprietary mini-lancet.”

Considering the popularity of Roche’s Accu-Chek Multiclix lancer, I’m willing to bet many patients would kill (figuratively speaking) for a product that’s essentially a miniaturized version.



A Dress for Pumpers

A woman named Lindsay writes:

“As someone who has worn a pump for more than a decade, I have steadily watched the number of dresses I wear dwindle to near zero – there is just no where to put the pump in a dress…  However, much to my delight there is now a dress available that accommodates a pump.”

The lines of the dress and size of the pocket make it work, she explains, and she simply cuts a small hole in the pocket and feeds the pump tubing through it. Easy-peasy.



Insulin Wallpaper

This is not new at all, having first appeared in the late 1930’s, but just as intriguing today, IMHO.  Apparently a certain Dr. Helen Megaw, (1907-2002) led a “Pattern Group” at the 1951 Festival of Britain, where diagrams of atomic structures were used as inspiration for wallpaper, curtains, laminates, carpets, dress fabrics, ties and crockery. This floral-looking motif was inspired by researcher Dorothy Hodgkin’s contour map of insulin.

Poking around a bit, I also found this. Any PWDs out there currently redecorating? (besides me?)


April 19, 2010 | Permalink | Comments (10)


ABOUT AMY TENDERICH, DIABETESMINE™

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