ROLE OF HBA1C & ADMISSION BLOOD SUGAR ON MORTALITY IN PATIENTS WITH ISCHEMIC STROKE

Dr. Ismail M Haji, Dr. Safdar Aftab A, Dr Shaheen B., Dr Abdul Rehman

Abstract


Background: In ICU patients with ischemic stroke one of the common reasons for their mortality is found to be Hyperglycemia. Diabetes Mellitus itself is a risk factor that can initiate & propagate vascular events in conjunction with atherosclerosis in Ischemic stroke. The aim of this study was to evaluate relationship between admission blood sugar and HbA1c with mortality in patients with Ischemic stroke over a period of 28 days.

 

Materials & Methods:

This is a retrospective study where data was collected from medical records of 50 diabetic patients admitted to ICU with ischemic stroke dated from April 2019 to September 2019.

Patients were further categorized depending upon their duration of stay in the hospital with cut-off of 10 days; Furthermore, a cut-off of “28 days- mortality” was taken into consideration.

Patients, who were already diagnosed with diabetes and who got admitted in medical ICU were taken as study subjects.

 

Results:

Mortality was significantly higher in patients with higher admission blood sugar values of more than 250mg/dl & lower when value was below 150mg/dl. It was noted that the survivors (72%) had their mean admission blood sugar values close to 260mg/dl whereas non-survivors (28%) mean admission blood sugar level was found to be 343mg/dl. It was also noted that patients with good glycemic control (HbA1C < 8) had better chances for survival. The survivors (72%) had mean HbA1c level of 9.06 and non-survivors (28%) had mean HbA1c level of 10.67. Both the mean values being so close to each other with difference of just 1% further emphasizes the fact that with each 1% increase in HbA1C the mortality risk rises by 10 fold.

Conclusion:

A significant association was confirmed between admission blood sugar levels & mortality in diabetic patients with Ischemic stroke. Furthermore, this association was found to be affected by HbA1c i.e. chronic glycemic status.


Keywords


ISCHEMIC STROKE, mortality, Hyperglycemia, Diabetes

Full Text:

PDF

References


Donald E, Griesdale G, Russell J, de souza, Rob K, Heyland, et al. Intensive Insulin therapy and mortality among critically ill patients: a meta-analysis including NICE-SUGAR study data. CMAJ.2009;180:821-27

Treggiari MM, Karir V , Yanez ND, Weiss NS, Daniel S. Intensive Insulin therapy & mortality in critically ill patients. Crit care.2008; 12:29-30.

Bochicchio GV, Sung J, Joshi M, Bochicchio K, Johnson SB, Meyer W, Scalea TM. Persistent hyperglycaemia is predictive of outcome in critically ill trauma patients. Journal of Trauma & Acute Care Surgery. 2005 May 1; 58(5): 921-4

Finney SJ, Zekveld C, Elia A, Evans TW. Glucose control & mortality in critically ill patients. Jama.2003 Oct 15; 290(15):2041-7

Sato H, Carvalho G, Sato T, Latterman R, Matsukawa T, Schricker T. The asspciation of preoperative glycaemic control, intra operative insulin sensitivity & outcomes after cardiac surgery. J Clin Endocrinol Metab. 2010; 95: 4338-44.

Falciglia M, Freyberg RW, Almenoff PL, D’Alessio DA, Render ML. Hyperglycaemia- related mortality in critically ill patients varies with admission diagnosis. Crit Care Med. 2009;37:3001-9.

Goldstein DE, Little RR, Lorenz RA, Malone JI, Nathan DM, Peterson CM; American Diabetes Association. Tests of glycaemia in diabetes. Diabetes Care. 2004; 27.91-S93.

American Diabetes Association. Standards of Medical Care in Diabetes. Diabetes Care.2014; 37:14-80.

Hjalmarsson C, Manhem K, Bokemark L, Andersson B (2014), The role of pre-stroke glycemic control on severity & outcome of acute ischemic stroke. Stroke Res Treat 2014: 694569

Lawlor DA, Fraser A, Ebrahim S, Smith GD (2007) Independent associations of fasting insulin, glucose & glycated haemoglobin with stroke & coronary heart disease in older woman. PLoS Med 4 :e263

Roquer J, Giralt-Steinhauer E, Cerda G, Rodriguez-Campello A, Caudrado-Godia E, et al.(2015) Glycated haemoglobin value combined with initial glucose levels for evaluating mortality risk in patients with ischemic stroke. Cerebrovasc Dis 40:244-250

Barr EL, Bokyo EJ, Zimmet PZ, Wolfe R, Tonkin AM, Shaw JE. Continuous relationships between non-diabetic hyperglycemia & both cardiovascular disease and all-cause mortality: the Australian Diabetes, Obesity & Lifestyle study. Diabetologia. 2009;52:415-424

Selvin E, Steffes MW, Zhu H, Matsushita K, Wagenknecht L, Pankow J, Coresh J, Brancati FL. Glycated hemoglobin , diabetes, & cardiovascular risk in nondiabetic adults. New England Journal of Medicine. 2010 Mar 4; 362 (9):800-11.

Selvin E, Steffes MW, Zhu H, Matsushita K, Wagenknecht L, Pankow J, Coresh J, Brancati FL; Glycated hemoglobin, Diabetes & cardiovascular risk in nondiabetic adults. New England Journal of Medicine. 2010 Mar 4; 362(9): 800-11.

Michel P, Odier C, Rutgers M, et al. The Acute Stroke Registry and Analysis of Lausanne (ASTRAL): design & baseline analysis of an ischemic stroke registry including acute multimodal imaging. Stroke 2010; 41:2491-2498

Fuentes B, Castilo J, San Jose B et al. The prognostic value of capillary glucose levels in acute stroke : the glycaemia in Acute Stroke(GLIAS) study. Stroke 2009; 40:562-568.

Kasner SE, Chalela JA, Luciano JM, et al. Reliability and validity of estimating the NIH stroke scale score form medical records. Stroke 1999;30:1534-1537.

Kidwell CS, Alger JR, Saver JL. Evolving paradigms in neuroimaging of the ischemic penumbra. Stroke 2004; 35: 2662-2665.

Song EC, Chu K, Jeong SW, et al. Hyperglycemia exacerbates brain edema & perihematomal cell death after intracerebral hemorrhage. Stroke 2003; 34: 2215-2220.

Egi M, Bellomo R, Stachowski E, French CJ, Hart GK, Hegarty C, Bailey M. Blood glucose concentration and outcome of critical illness: The impact of diabetes. Critical Care medicine. 2008 Aug 1; 36(8): 2249-55.

ADVANCE Collaborative Group. Intensive blood glucose control and vascular outcomes in patients with type 2 Diabetes. New England Journal of Medicine. 2008 June 12; 358(24): 2560-72.

Plummer MP, Bellomo R, Cousins CE, Annink CE, Sundararajan K, Reddi BA, Raj JP, Chapman MJ, Horowitz M, Deane AM. Dysglycaemia in the critically ill and the interaction of chronic and acute glycaemia with mortality. Intensive care medicin. 2014 Jul 1;40(7):973-80.

Andersson C, Van Gaal L, Cttaerson ID, Weeke P, James WP, Couthino W, Finer N, Sharma AM, Maggioni AP, Torp-Pedersen C. Relationship between HbA1c levels & risk of cardiovascular adverse outcomes and all-cause mortality in over-weight and obese cardiovascular high-risk women and men with Type 2 diabetes. Diabetologia.2012 Sep1 ;55(9): 2438-55.

Zhang Y, Hu G, Yuan Z, Chen L. Glycosylated hemoglobin in relationship to cardiovascular outcomes and death in patients with Type 2 Diabetes: A systematic review and meta-analysis.2012;31;345-361.

Li W, Katzmarzyk PT, Horswell R, Wang Y, Johnson J, Hu G. HbA1c and all-cause mortality risk among patients with Type 2 Diabetes. International journal of cardiology. 2016 Jan 1;202:490-6.

Lionel KR, John J, Sen N. Glycated hemoglobin A: A predictor of outcome in trauma admissions to intensive care unit. Indian journal of critical care medicine: peer-reviewed, official publication of Indian Society of Critical Care Medicine. 2014 Jan; 18(1):21.

Kizer JR, Wiebers DO, Whisnant JP, Galloway JM, Welty TK, et al. (2006) Glycemic level and future stroke in Type 2 DM : The strong heart study. Circulation 114:444-446.

Krinsley JS. Association between hyperglycemia and increased hospital mortality in a heterogenous population of crirtically ill patients. Mayo Clin Proc 2003; 78: 1471-1478 ( PMID : 14661676 DOI:10.4065/78.12.1471)

Kaukonen KM, Bailey M, Egi M, Orford N, Glassford NJ, Marik PE, Bellomo R. Stress hyperlactatemia modifies the relationship between stress hyperglycemia and outcome: A retrospective observational study. Crit Care Med 2014; 42: 1379-1385.

Green JP, Berger T, Garg N, Horeczko T, Suarez A, Radeos MS, Hagar Y, Panacek EA. Hyperlactatemia affects the association of hyperglycemia with mortality in nondiabetic adults with sepsis. Acad Emerg Med 2012; 19: 1268-1275.

Vanhorebeek I, Gunst J, Ellger B, Boussemaere M, Lerut E, Debaaveye Y, Rabbani N, Thornalley PJ, Schetz M, Van den Berghe G. Hyperglycemic kidney damage in an animal model of prolonged critical illness. Kidney Int 2009; 76: 512-520

Boonen E, Van den Berghe G. Endocrine responses to critical illness: novel insights and therapeutic implications. J Clin Endocrinol Metab 2014; 99:1569-1582.

Groop PH, Forsblom C, Thomas MC. Mechanisms of disease: pathway-selective insulin resistance & microvascular complications of diabetes. Nature Reviews Endocrinology.2005 Dec; 1(2):100.

The Diabetes Control and Complications Trial Research Group. Early worsening of diabetic in the diabetes control & complications trial. Arch Opthalmol B. 1998;116:874-86.


Refbacks

  • There are currently no refbacks.