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Barberton
I just found notes I took to calculate weight gain:

125 - 170kJ / kg* / day to achieve 250g - 500g weight gain per week
* child's current weight

Is anyone familiar with this formula?

I've read that a 'normal' teenager needs about 8,800kJ / day. So applying the above formula to the 'normal' amount should give you an idea of target input, right?

Example: 125kJ x 40kg = 5,000kJ + 8,800kj = 13,800kJ/day which sounds about right. But is that base number of 8,800kJ accurate?

My apologies if this has been covered before. I never thought I would find comfort in maths, but somehow I am at the moment!
D fell down the rabbit hole of AN at age 11 after difficulty swallowing followed by rapid weight loss. Progressing well through recovery, but still climbing our way out of the hole.
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Foodsupport_AUS
I have not seen this before. I have seen elsewhere this assessment of calories per kg requirement, but interestingly different figures. This is one such article - https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3829207/

and there are a number of others - an area of research that Walter Kaye at UCSD has been interested in. This is Walter talking about what is expected for those with ED's posing the question as to how much of AN is a metabolism disorder. 
D diagnosed restrictive AN June 2010 age 13. Initially weight restored 2012. Relapse and continuously edging towards recovery. Treatment: multiple hospitalisations and individual and family therapy.
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ValentinaGermania
I wish such a formula for weight gain would work. But it does not say anything about metabolism or how much they are moving. A child in school needs more than a child on bed rest. When metabolism increases they need more on same weight. It is no straight line, weight gain is a secret service thing.
We saw weight gain, weight loss and maintainance on exact the same intake in 3 following weeks.

Forget that numbers and formula and feed as much as you can 🙂.
Keep feeding. There is light at the end of the tunnel.
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Enn

I love math too!  I find comfort in the logic and patterns. ( I do not have a math degree). I think like anything this formula and others helps us find a minimum and if it helps give perspective, I think that is great!

I did not have a formula as such but when she did not gain well I would just up everything but 300-500 per day. 

Thank you for this formula Barberton, I think it could help others see weight gain in a different way. There are so many ways to view ED and weight gain. Some use the calories/kj and others used portions. 

When within yourself you find the road, the right road will open.  (Dejan Stojanovic)

Food+more food+time+love+good professional help+ATDT+no exercise+ state not just weight+/- the "right" medicine= healing---> recovery(--->life without ED)
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Barberton
Thank you!

Foodsupport_AUS your links are so helpful. The video made things so much clearer to me. 

ValentinaGermania you are right that I just have to feed as much as I can, but I think it is important to understand the science. Science isn't emotional, it is factual. So in the storm of emotion over too much food, I think it helps me at least, to know that I'm working as close to the maths as possible. 

Enn. I noted that at no time in our journey has any of our team ever given caloric goals. They have always talked in portions. This always frustrated me. I think it's important that parents/carers get as many tools in their box and have the science/numbers available to them should they need it.
D fell down the rabbit hole of AN at age 11 after difficulty swallowing followed by rapid weight loss. Progressing well through recovery, but still climbing our way out of the hole.
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ValentinaGermania
Barberton wrote:

ValentinaGermania you are right that I just have to feed as much as I can, but I think it is important to understand the science. Science isn't emotional, it is factual. So in the storm of emotion over too much food, I think it helps me at least, to know that I'm working as close to the maths as possible. 


The problem is that it is not that easy like a maths calculation and metabolism is not  that kind of science where you put in this and that and you get this weight gain as an educt. The calculation must not only list high and weight but also how much movement is done and how the food is digested and what state in recovery you are. In my experience over the last 3 years that is nothing you can calculate with a simple formula.
Keep feeding. There is light at the end of the tunnel.
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Torie


The problem is that it is not that easy like a maths calculation and metabolism is not  that kind of science where you put in this and that and you get this weight gain as an educt. The calculation must not only list high and weight but also how much movement is done and how the food is digested and what state in recovery you are. In my experience over the last 3 years that is nothing you can calculate with a simple formula.

True, but the bigger problem is that the math is different for each person.  My d never needed massively high calories, but some do.  My d did need much higher calories to gain than, say, I do.  

This reminds me of serving on a volunteer committee and wrestling to figure out how best to proceed.  Finally, one of the other committee members said, "Torie, this is not a math problem, and there is no single correct answer."

Same, too, with metabolism. xx

-Torie
"We are angels of hope, of healing, and of light. Darkness flees from us." -YP 
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Barberton

Hi Everyone, I am going to add an update to this post. I have started using MyGrowthCharts.com to record my daughter's weight, height and arm circumference details. I cannot recall who told me about the website, but I can highly recommend it for (a) keeping track of this information and (b) using the data to have a meaningful conversation with the medical team.

Once you have logged in some data, you can project weight gain over a month or year and modify the weight/height percentile.  So my d is sitting at the 20th percentile of weight. So I can project that if we want her to grow at the 40th percentile, what her weight would be in 1 months time. Clearly one would need to regularly modify the projections based on the increase in height and weight and time. I'm not suggesting that anyone should get fixated on numbers. I am merely saying there is a tool out there to help give carers a 'ball park' idea of what needs to happen.

D fell down the rabbit hole of AN at age 11 after difficulty swallowing followed by rapid weight loss. Progressing well through recovery, but still climbing our way out of the hole.
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