Common Channel/Absorption Question

I just had my 6 week post-op follow-up visit with my surgeon and I asked him about the length of my common channel.  He told me he made it 150 cc, which is longer than 'normal' but due to my BMI at surgery (41), he thought it was an appropriate length.  I am just wondering if I can eat alot of fat, as indicated in many of your posts, since I'll be absorbing more due to my longer length.  I guess I am just scared to take this DS out for a 'test-drive'.  I want to start eating more like a 'normal' DSer (as tolerated, of course) but do not want to stall my efforts.  Any advice or personal stories would be very helpful!!

Some of my info- 5'3", HW-242, SW-231, CW-199, GW-130

Yes, you will absorb more than the average DSer, but you still need plenty of fat.  You're using 150cm instead of 23 feet.  You've got plenty.  

So she's had 80% bypassed. I thought it was more like 60% for the DS? I'm curious now.

Picture in your mind the gut after the DS. In the Hess method, the gut is divided 60/40, with the upper 60% becoming the bilio-pancreatic limb. All the bile, necessary for the absorption of fat, travels down this limb, so---not fat is absorbed until the common channel.

However, the 40% that becomes the alimentary limb still absorbs some protein and carbs, since they don't require bile for absorption. So---defining exactly how much is 'bypassed' is tricky. As far as fat is concerned, nearly ALL the gut is bypassed---all but the common channel. For proteins and complex carbs, only the BPD limb would be 'bypassed'.

Mine is 175 cc and I made it to my BMI goal.

It will work, and if I don't eat LOTS of fat, I get constipated. So yeah, it still works the same basic way.

Thanks for the feedback...it really is VERY helpful!