ࡱ> _a^ ;bjbj 0bdd17 8<dU"(!!!!!!!, $&!!a"aaa!a!aa !N !%"0U"!'a'!a!!!aU"' \:   Case Questions for Medical Nutrition Therapy: A Case Study Approach 4th ed. Title: Case 17 Adult Type 2 Diabetes Mellitus: Transition to Insulin Instructions: Answer the questions below. Please print the questions out with your answers and bring to class on the due date. Questions: 1. What are the standard diagnostic criteria for T2DM? Which are found in Mitchs medical record? The standard diagnostic criteria is a fasting plasma glucose of 126 mg/dL or greater, an oral glucose tolerance test of 200mg/dL or more and an A1C of 6.5 or higher. Mitchs medical record says that he has a blood serum of 1524mg/dL. 2. Mitch was previously diagnosed with T2DM. He admits that he often does not take his medications. What types of medications are metformin and glyburide? Describe their mechanisms as well as their potential side effects/drugnutrient interactions. Metformin- antihyperglycemic agent, biguanide, decrease hepatic glucose production. Side effects may include GI problems Glyburide- oral hypoglycemic. Side effects include dyspepsia, nausea, diarrhea and constipation. 3. What other medications does Mitch take? List their mechanisms and potential side effects/drugnutrient interactions. Dyazide-antihypertensive and diuretic. Avoid extra K, decreased Na and decrease cal recommended. Side effects can include taste changes, N/V and diarrhea, as well as decreased renal function. Lipitor- antihyperlipidemic. Prevents cardiovascular events and atherosclerosis. Can cause nausea, dyspepsia, abdominal pain, constipation, diarrhea, flatulence. 4. Describe the metabolic events that led to Mitchs symptoms and subsequent admission to the ER with the diagnosis of uncontrolled T2DM with HHS. Mitch has not controlled his diabetes well. Therefore he had extra glucose in the his blood. The kidneys try to fix this by excreting extra glucose in urine, but if there is a lack of fluid consumed, the kidneys cannot work in this way. Glucose levels raise even more creating hyperosmolarity. Hyperosmolarity causes dehydration. 5. HHS and DKA are the common metabolic complications associated with diabetes. Discuss each of these clinical emergencies. Describe the information in Mitchs chart that supports the diagnosis of HHS. HHS is hyperglycemia hyperosmolar syndrome. It involved very high blood sugar without ketones. It often causes dehydration because the sugar in the blood makes the blood hyperosmolar, and so the blood pulls fluids from all parts of the body. Mitch has decreased consciousness fever, plasma glucose about 600 mg/dL, and osmolality above 320 mOsm/kg. DKA is when fat is broken down for fuel because there is not enough insulin and the body cannot use the glucose in the blood. Ketones are produced which acidify the blood. 6. HHS is often associated with dehydration. After reading Mitchs chart, list the data that are consistent with dehydration. What factors in Mitchs history may have contributed to his dehydration? Data collected from Mitch that is consistent with dehydration are dry mucous membranes in the throat, drowsy, vomiting, warm skin with poor turgor, rapid respiration, and fast pulse, cloudy urine, and pale skin. Also, BUN and creatinine are high. Factors that could have contributed are high blood glucose levels as well as no recorded water intake on daily history. 7. Assess Mitchs intake/output record for the first 24 hours of his admission. What does this tell you? Assuming that Mitch tells you that his usual weight is 228 lbs, can you estimate the volume of his dehydration? According to his body weight, be requires about 2000-2500mL of fluid daily. The fluid chart says that he took in 4335 mL and only excreted 2195mL. This means that his water loss was 6%. He needs about 6 L to recover from his dehydration. 8. Mitch was started on normal saline with potassium as well as an insulin drip. Why are these fluids a component of his rehydration and correction of the HHS?\ The insulin will help normalize his blood glucose levels. The saline with potassium solution will help hydrate him while replenishing his electrolytes. Potassium is added because as insulin is added because insulin can cause an intracellular shift of potassium. 9. Describe the insulin therapy that was started for Mitch. What is Lispro? What is glargine? How likely is it that Mitch will need to continue insulin therapy? Lispro is an insulin that works more quickly than normal insulin. This is good for Mitch because his levels are so high. Glargine is an insulin that works longer than normal insulin. Mitchs plan is to start rehydration with potassium and Lispro. At night, he will receive glargine, which should help him get through the night. The Lispro will then be injected at a normal rate of 1:15. Mitch will most likely need to continue therapy because he has not been able to control his blood glucose to this point and is diabetic. 10. Mitch was NPO when admitted to the hospital. What does this mean? What are the signs that will alert the RD and physician that Mitch may be ready to eat? NPO means nothing by mouth. He will be able to eat orally once his fluid levels are normal and glucose levels are normal. He will also have to be able to tolerate it, so little amounts of food at first will be important. 11. Outline the basic principles for Mitchs nutrition therapy to assist in control of his DM. He will want a consistent carbohydrate controlled deit. He will want to eat about the same amount of carbohydrates at each meal and snack, and should plan on eating 3 meals and about 2 snacks. He will also want to learn about taking his blood glucose and blolusing insulin due to these levels. 12. Assess Mitchs weight and BMI. What would be a healthy weight range for Mitch? Wt- 214lbs- 97.3kg Ht- 59- 1.75m BMI- 31.7kg/m2 Healthy weight range- 125-168 lbs 13. Identify and discuss any abnormal laboratory values measured upon his admission. How did they change after hydration and initial treatment of his HHS? Sodium- 132 mEq/L- low- hyperglycemia causes a osmotic flux of water from intracellular space to extracellular space, causing low sodium levels. BUN- 31mg/dL- high- due to dehydration (hypovolemic shock). High stress on kidneys Creatinine serum 1.9mg/dL high- diabetes and dehydration Glucose 1524 mg/dL- high- there isnt insulin to take care of the glucose Phosphate- 1.8 mg/dL low- electrolytes drop during the osmotic pull of water Osmolality 360 mmol/kg/H2O high- blood is thick due to high glucose and lack of water Cholesterol 205mg/dL high- possibly due to dehydration and diabetes and other conditions Triglycerides 185 mg/dL high possibly due to dehydration and diabetes and other conditions HbA1c- 15.2% high- due to diabetes, and large amounts of glucose in blood WBC 13.5 (x10^3/mm^3) high- elevated due to obesity. Hematocrit 57% high- dehydration causes a false high hematocrit Specific Gravity- 1.045 high- dehydration pH- 5 low- if ketones are present, this is a sign of DKA Protein 10mg/dL high- dehydration Ketones- present- high- DKA- fat broken down because glucose cant be used Prot chk- present- high- dehydration After hydration, the values still remained abnormal, but were all closer to normal limits. 14. Determine Mitchs energy and protein requirements for weight maintenance. What energy and protein intakes would you recommend to assist with weight loss? 10(97.3)+6.25(175.3)-5(53)+5= 1809kcalx1.2= 2170kcal protein- 77.878 g protein Weight loss: 1670kcal (2170-500) 62 g protein ((1670x.15)/4) 15. Prioritize two nutrition problems and complete the PES statement for each. Inadequate fluid intake related to excessive vomiting secondary to HHS as evidence by dry mucous membranes in the throat, drowsy, vomiting, warm skin with poor turgor, rapid respiration, and fast pulse, cloudy urine, and pale skin, and elevated BUN and creatinine are high at 31mg/Dl and 1.9 mg/dL , and low sodium and phosphate levels of 132mEq/L and 1.8 mg/dL, respectively. Inadequate bioactive intake related to high blood sugar levels as evidence by patient reporting not taking diabetes mediation and blood glucose levels of 1524mg/dL. 16. Determine Mitchs initial CHO prescription using his diet history as well as your assessment of his energy requirements. 2170kcalx0.5= 1085/4=271.25/4.5= 60.3 4 CHO exchanges at breakfast, lunch and dinner. 3 exchanges for 2 snacks. 17. Identify two initial nutrition goals to assist with weight loss. Increase exercise to 30 min of moderate activity 5 times per week. This can be done by taking a walk, swimming, or doing other activities that you like that increase your heart rate. Increase your fruit and vegetable intake to eat at least one serving of fruit or vegetable with each meal. 18. Mitch also has hypertension and high cholesterol levels. Describe how your nutrition interventions for diabetes can include nutrition therapy for his other conditions. By losing weight, increasing physical activity and making better, more whole food choices, both hypertension and high cholesterol can be improved. 19. Write an ADIME note for your initial nutrition assessment. Student Name ____________Amy Foster________________________________ Case ___DM Case study____________________ Nutrition Assessment Food & Nutrition History Lack of fluid Lack of fruits and vegetables Eats out often 4 cups of coffee/day Alcohol- 3-4 drinks/wk Anthropometrics Height 59 Weight 214 lbs BMI:31.7 kg/m2 Healthy weight range: 125-168 lbs IBW: 160lbs %IBW: 134% Biochemical/Tests/Procedures Temp: 100.5 degree F- high BP 90/70- low Pulse 105 BPM- high Resp rate: 26- high Sodium- 132 mEq/L- low BUN- 31mg/dL- high- Creatinine serum 1.9mg/dL high- Glucose 1524 mg/dL- high- Phosphate- 1.8 mg/dL low- Osmolality 360 mmol/kg/H2O high Cholesterol 205mg/dL high- Triglycerides 185 mg/dL HbA1c- 15.2% high- WBC 13.5 (x10^3/mm^3) high- Hematocrit 57% high- Specific Gravity- 1.045 high- pH- 5 low Protein 10mg/dL high Ketones- present- high Prot chk- present- high Nutrition Focused Physical Find. Obese, tense abdomen, cloudy/amber urine, pale skin, diaphoretic, dry moucous membranes in throat, drowsy and confused, poor skin turgor, rapid respiration Vomitting Client History Type 2 DM for 1 year- metformin and glyburide Hypertension Hyperlipidemia Gout ORIF R ulna, hernia repair Dyazide, Lipitor FH: Father HTN and CAD Mother: type2DMComparative Standards Kcal 2170 kcal Pro 78g Fluid 2-2.5L Carb 325 g/day Lipid 60g Fiber 35g Nutrition Diagnosis Inadequate fluid intake related to excessive vomiting secondary to HHS as evidence by dry mucous membranes in the throat, drowsy, vomiting, warm skin with poor turgor, rapid respiration, and fast pulse, cloudy urine, and pale skin, and elevated BUN and creatinine are high at 31mg/Dl and 1.9 mg/dL , and low sodium and phosphate levels of 132mEq/L and 1.8 mg/dL, respectively. Inadequate bioactive intake related to high blood sugar levels as evidence by patient reporting not taking diabetes mediation and blood glucose levels of 1524mg/dL.  Nutrition Intervention(s) Nutrition Rx: Goal: Reach adequate levels of hydration and then maintain Intervention: PN 1 L NS stat. 1 unit/kg/h in NS 40 mEq KCl/L at 500mL/hr x 3hrs. Then regular insulin 1 unit/mL NS 10 mEq KCl/liter at 135 mL/her. Begin at 0.1 unit/kg/hr=3.7 units/hr and increase to 5 units/hr. Flush new IV with 50mL of insulin drip prior to connecting to patient. After normal hydration status has been achieved, increase fluid intake to 2-2.5L daily. Goal: Pateint needs to consistently take medication Intervention: talk to patient about switching medications, or discuss ways in which he can feel better when taking medications and ways in which he can remember to take them daily.  Monitor/Evaluate ___Fluid intake: according ro records. Intake/outtake of fluid. 24 hour recall, once normal limits have been achiveved. How patient is feeling, especially stomach when taking medications. How often he is taking medication. Blood glucose levels and A1C levels. ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________     17- PAGE 4 17- PAGE 3 2014 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part, except for use as permitted in a license distributed with a certain product or service or otherwise on a password-protected website for classroom use. 2014 Cengage Learning. All Rights Reserved. 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