Guest guest Posted July 9, 2009 Report Share Posted July 9, 2009 This looks interesting, haven’t gotten it back from the medical library yet, but may be worth a read. Lieske JC, Kumar R, Collazo-Clavell ML. Nephrolithiasis after bariatric surgery for obesity. Semin Nephrol. 2008 Mar;28(2):163-73 Amy Long Carrera MS, RD, CNSC Clinical Dietitian Northridge Hospital Medical Center & Center for Weight Loss Surgery 818-885-8500 x 4034 amy.long@... From: [mailto: ] On Behalf Of nicole.chase12@... Sent: Thursday, July 09, 2009 5:50 AM Bariatric Dietitians Discussion Group Subject: Calcium kidney stones I was wondering if anyone has had experience with bypass patients with history of calcium kidney stones. I have a patient who is getting bypass and he does not want to take calcium citrate due to his history of calcium kidney stones which he says he has discussed with the surgeon. Does anyone know what the calcium supplementation guidelines are for post-op patients with hx of kidney stones? TIA, Chase, RD, LD Personal Nutrition Solutions Wellness, Weight Management, Bariatrics/ span> Fort Worth, TX Quote Link to comment Share on other sites More sharing options...
Guest guest Posted July 9, 2009 Report Share Posted July 9, 2009 We are having this issue as well, I would value input on this! Anne Marquart, MS, RD, LD Roller Weight Loss Institute Springdale, AR Calcium kidney stones I was wondering if anyone has had experience with bypass patients with history of calcium kidney stones. I have a patient who is getting bypass and he does not want to take calcium citrate due to his history of calcium kidney stones which he says he has discussed with the surgeon. Does anyone know what the calcium supplementation guidelines are for post-op patients with hx of kidney stones?TIA, Chase, RD, LDPersonal Nutrition SolutionsWellness, Weight Management, BariatricsFort Worth, TX Quote Link to comment Share on other sites More sharing options...
Guest guest Posted July 13, 2009 Report Share Posted July 13, 2009 There are a couple of points to consider here. First, MNT for calcium oxylate kidney stones does not recommend restricting Ca+, but rather recommends limitting foods high in oxylates. The body has an abundance of Ca+ to pull from in the skeletal system, and regulates serum Ca+ levels fairly tightly. The bigger concern would be adequate hydration. Also, ask if this pt was following a low carb diet when she got the renal stones. Often on excessively low carb diets the body goes into ketosis which results in a lower pH. The body attempts to compensate by pulling calcium-phosphate out of the bones to neutralize the pH. Not only does this lead to increased risk of osteopenia over time, but also leads to an increased risk of calcium renal stones b/c all that extra calcium is fltered through the kidneys. Sally Hara, MS, RD, CDE, CSSD Registered Dietitian, Certified Diabetes Educator Board Certified Specialist in Sports DieteticsProActive Nutrition, LLC Kirkland, WA (425) 814-8443 No diet will remove all the fat from your body because the brain is entirely fat. Without a brain, you might look good, but all you could do is run for public office. - Bernard Shaw From: Amy.Long@...Date: Thu, 9 Jul 2009 10:18:16 -0700Subject: RE: Calcium kidney stones This looks interesting, haven’t gotten it back from the medical library yet, but may be worth a read. Lieske JC, Kumar R, Collazo-Clavell ML. Nephrolithiasis after bariatric surgery for obesity. Semin Nephrol. 2008 Mar;28(2):163-73 Amy Long Carrera MS, RD, CNSC Clinical Dietitian Northridge Hospital Medical Center & Center for Weight Loss Surgery 818-885-8500 x 4034 amy.longchw (DOT) edu From: [mailto: ] On Behalf Of nicole.chase12 Sent: Thursday, July 09, 2009 5:50 AMBariatric Dietitians Discussion GroupSubject: Calcium kidney stones I was wondering if anyone has had experience with bypass patients with history of calcium kidney stones. I have a patient who is getting bypass and he does not want to take calcium citrate due to his history of calcium kidney stones which he says he has discussed with the surgeon. Does anyone know what the calcium supplementation guidelines are for post-op patients with hx of kidney stones?TIA, Chase, RD, LDPersonal Nutrition SolutionsWellness, Weight Management, Bariatrics/ span>Fort Worth, TX Quote Link to comment Share on other sites More sharing options...
Guest guest Posted July 14, 2009 Report Share Posted July 14, 2009 Thank you for the insight Sally!From: Sally Hara <proactivenutrition@...>Subject: RE: Calcium kidney stones Date: Monday, July 13, 2009, 1:58 AM There are a couple of points to consider here. First, MNT for calcium oxylate kidney stones does not recommend restricting Ca+, but rather recommends limitting foods high in oxylates. The body has an abundance of Ca+ to pull from in the skeletal system, and regulates serum Ca+ levels fairly tightly. The bigger concern would be adequate hydration. Also, ask if this pt was following a low carb diet when she got the renal stones. Often on excessively low carb diets the body goes into ketosis which results in a lower pH. The body attempts to compensate by pulling calcium-phosphate out of the bones to neutralize the pH. Not only does this lead to increased risk of osteopenia over time, but also leads to an increased risk of calcium renal stones b/c all that extra calcium is fltered through the kidneys. Sally Hara, MS, RD, CDE, CSSD Registered Dietitian, Certified Diabetes Educator Board Certified Specialist in Sports DieteticsProActive Nutrition, LLC Kirkland, WA (425) 814-8443 No diet will remove all the fat from your body because the brain is entirely fat. Without a brain, you might look good, but all you could do is run for public office. - Bernard Shaw BariatricNutritionD ietitiansFrom: Amy.LongCHW (DOT) eduDate: Thu, 9 Jul 2009 10:18:16 -0700Subject: RE: [bariatricNutrition Dietitians] Calcium kidney stones This looks interesting, haven’t gotten it back from the medical library yet, but may be worth a read. Lieske JC, Kumar R, Collazo-Clavell ML. Nephrolithiasis after bariatric surgery for obesity. Semin Nephrol. 2008 Mar;28(2):163- 73 Amy Long Carrera MS, RD, CNSC Clinical Dietitian Northridge Hospital Medical Center & Center for Weight Loss Surgery 818-885-8500 x 4034 amy.longchw (DOT) edu From: BariatricNutritionD ietitians [mailto:BariatricNu tritionD ietitians] On Behalf Of nicole.chase12Sent: Thursday, July 09, 2009 5:50 AMBariatric Dietitians Discussion GroupSubject: [bariatricNutrition Dietitians] Calcium kidney stones I was wondering if anyone has had experience with bypass patients with history of calcium kidney stones. I have a patient who is getting bypass and he does not want to take calcium citrate due to his history of calcium kidney stones which he says he has discussed with the surgeon. Does anyone know what the calcium supplementation guidelines are for post-op patients with hx of kidney stones?TIA, Chase, RD, LDPersonal Nutrition SolutionsWellness, Weight Management, Bariatrics/ span>Fort Worth, TX Quote Link to comment Share on other sites More sharing options...
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