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Old 05-22-2008, 07:11 AM   #1 (permalink)
DocSanae
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5' 5"
Height:
Talking The scoop on protein requirement

Okay, so....
I have managed to get my hands on a medical book published this year--Manual of Nutritional Therapeutics 5thEd. David H. Alpers et al.
p.586-Estimation of Recommended Daily Protein Intake.

Normal: g/kg IBW/day -- 0.75g (IBW=ideal body weight.)

Estimation of IBW for adults:
Woman with medium frame: 120lb for 5ft of height + 3lbs/in.
Man with medium frame:130lb for first 5ft of height + 3lbs/in.
Small frame: subtract 10lb from above.
Large frame: Add 10lb to above.

Even if you are 100kg now, if your ideal body weight is 70kg, then the calculation is 70x0.75, not 100x0.75.
FYI 1kg=2.2lb

I have listed only normal, because though the list has requirements for various medical conditions, there's none that weight loss surgery fits into.
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Last edited by DocSanae : 05-22-2008 at 07:22 AM.
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Old 05-22-2008, 03:35 PM   #2 (permalink)
genmel
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Join Date: Apr 2007
Location: Southwest Virginia
Posts: 492

Weight Statistics

June 12, 2007
Surgery Date:
5' 5"
Height:
330 lb
Start Weight:
213 lb
Current Weight:
180 lb
Goal Weight:
117 lb
Weight Loss:
33 lb
Lb Left to Lose:
35.4545454545 %
% Lost:
December, 2008
Goal Date:

Body Mass Index
54.9088757396
BMI Start:
35.441183432
BMI Current:
29.950295858
BMI Goal:

Weight Loss Method
Roux en Y Gastric Bypass
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Ok, I have read this like 10 times and do not understand???
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Old 05-22-2008, 04:01 PM   #3 (permalink)
DeMarie
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Location: North West, NJ
Posts: 1,065

Weight Statistics

1/14/2008
Surgery Date:
5' 10"
Height:
330 lb
Start Weight:
258 lb
Current Weight:
180 lb
Goal Weight:
72 lb
Weight Loss:
78 lb
Lb Left to Lose:
21.8181818182 %
% Lost:
Summer 09
Goal Date:

Body Mass Index
47.3448979592
BMI Start:
37.0151020408
BMI Current:
25.8244897959
BMI Goal:

Weight Loss Method
Roux en Y Gastric Bypass
Default

I'm sorry Genmel - but that was funny!
I can't offer any help either since I'm the one that started this mess and caused all the confusion.
Maybe pm Doc Sanae.
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Old 05-22-2008, 06:55 PM   #4 (permalink)
DocSanae
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Default

Sorry it's kinda hard to decypher.

First off, you calculate from your ideal weight, not your present weight.
0.75g of protein per kilogram of your ideal weight.
1 kg=2.2lbs. 1lb=0.45kg

So, if your ideal weight (not your present weight, remember, unless you are actually there) is 60kg=132lbs, then 60x0.75=45g.
Now, keep in mind, this is your basic requirement. Depending on your phsycial condition--serious illness, pro athelete etc--the number goes up. With bypass, you have malabsorption, so adding 10-15% to that to be safe, is best.

To calculate your ideal weight, if you are 5' 5", then 120 + 3x5= 135lbs.
Just take note that your ideal weight may be lower than your goal weight, whether you set it or your surgeon set it. If the goal weight will put your BMI below 30, then you can consider that you've done pretty well. There is no need to try to get to the ideal weight, so I just hope this equation won't freak out any of you reading this.

REMEMBER, WHATEVER THE BASIC THEORIES IN THE MEDICAL WORLD, AND OUT ON THE INTERNET, THE MOST IMPORTANT THING, AND WHAT YOU NEED TO DO FIRST, IS TO FOLLOW YOUR SURGEON'S INSTRUCTIONS.
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Old 06-20-2008, 10:05 AM   #5 (permalink)
FLDANA
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Join Date: Apr 2008
Location: FT LAUDERDALE, FL
Posts: 4

Weight Statistics

11/01/07
Start Date:
11/01/07
Surgery Date:
6' 1"
Height:
343 lb
Start Weight:
212 lb
Current Weight:
185 lb
Goal Weight:
131 lb
Weight Loss:
27 lb
Lb Left to Lose:
38.1924198251 %
% Lost:
November 1, 2008
Goal Date:

Body Mass Index
45.2484518671
BMI Start:
27.9669731657
BMI Current:
24.4051416776
BMI Goal:

Weight Loss Method
Roux en Y Gastric Bypass
Default

I am reading it and I am not getting it
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Old 06-21-2008, 09:24 AM   #6 (permalink)
qt82699
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Join Date: May 2007
Location: minnesota
Posts: 3,402

Weight Statistics

july 21, 2007
Start Date:
august 17, 2007
Surgery Date:
5' 6"
Height:
339 lb
Start Weight:
185 lb
Current Weight:
160 lb
Goal Weight:
154 lb
Weight Loss:
25 lb
Lb Left to Lose:
45.4277286136 %
% Lost:

Body Mass Index
54.7100550964
BMI Start:
29.8565197429
BMI Current:
25.8218549128
BMI Goal:

Weight Loss Method
Roux en Y Gastric Bypass
Default

im totally lost!!!
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Old 06-21-2008, 01:04 PM   #7 (permalink)
ilovemykids
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Join Date: Oct 2007
Location: Oklahoma
Posts: 44

Weight Statistics

November 9, 2007
Surgery Date:
5' 1"
Height:
217 lb
Start Weight:
148 lb
Current Weight:
130 lb
Goal Weight:
69 lb
Weight Loss:
18 lb
Lb Left to Lose:
31.797235023 %
% Lost:

Body Mass Index
40.9973125504
BMI Start:
27.9613007256
BMI Current:
24.5606019887
BMI Goal:

Weight Loss Method
Roux en Y Gastric Bypass
Smile I think I got it

So, if I did my math right... My ideal body weight is 120 lbs. which translates to 50 Kg. Then I multiply 50 x .75 = 37.50 grams then I add 10-15% to that which means I need about 42 ish grams of protein a day.
Whew... that makes me very happy because I am good if I get 45 grams in a day.
Thanks for sharing this with us, Doc.
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