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From the medical journal Neurology (article is here but requires subscription).

Excerpts: excerpt:

After gastric bypass surgery [...] vitamin B1 deficiency can lead to Wernicke encephalopathy, a severe neurological condition.
[...]
In the study, a 35-year-old woman developed many difficulties after gastric bypass (bariatric) surgery for obesity. Difficulties included nausea, anorexia, fatigue, hearing loss, forgetfulness, and ataxia, or an inability to coordinate muscle movements. By the 12th week following surgery, she had lost 40 pounds and had difficulty walking and concentrating.
[...]
An MRI scan showed abnormal signals in various parts of the woman's brain, indicating a deficiency in vitamin B1. Also known as thiamine, vitamin B1 is essential for carbohydrate metabolism and normal functioning of the nervous system. When her intravenous dose of vitamin B1 was increased to 100 mg every eight hours, her eye muscles gradually returned to normal and her confusion decreased.

Eleven days after her dose of vitamin B1 was increased, a follow-up MRI scan showed the abnormal signals had decreased.

Date: 28 Dec 2005 06:38 pm (UTC)
From: [identity profile] kightp.livejournal.com
I know three people who've opted for WLS.

None of them has been remotely healthy since.

One has had to have repeated surgeries to fix increasing problems caused by the first one.

Date: 28 Dec 2005 07:01 pm (UTC)
From: [identity profile] kalmn.livejournal.com
my mom is having her second hernia surgery since the wls on january 3rd. i don't know about her not being healthy since; i mean, she hasn't been, but she wasn't healthy before, either.

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