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  • A Prospective Study of Trends in Anthropometric Nutritional Indices and their Impact on Patients with Subarachnoid Hemorrhage

    Final Number:
    605

    Authors:
    Sivashanmugam Dhandapani M.Ch.; Ankur Kapoor; Sachin Gaudihalli; Manju Dhandapani M.Sc. M.A; KK Mukherjee; SK Gupta

    Study Design:
    Other

    Subject Category:

    Meeting: Congress of Neurological Surgeons 2015 Annual Meeting

    Introduction: Despite the importance of nutritional status and adiposity, the utility of anthropometric nutritional indices have not been studied much in patients with subarachnoid hemorrhage.

    Methods: Patients of spontaneous SAH were prospectively studied for triceps skin fold thickness (TSF), mid arm circumference (MAC), mid arm muscle circumference (MAMC), and other factors in relation to clinical vasospasm and mortality. Univariate and multivariate analyses were performed using SPSS21.

    Results: There were a total of 56 patients included in our study. The median MAC decreased significantly from 29.3 cm (IQR 28-31cm) at admission to 27 cm (IQR 26-29cm) at 1 week (p value < 0.001). The median TSF decreased significantly from 34 mm (IQR 30-40mm) at admission to 30 mm (IQR 25-35mm) at 1 week (p value < 0.001). MAMC values did not show significant change over 1 week. The patients who developed clinical vasospasm had significantly higher median admission TSF of 40 mm (IQR 35-45 mm), compared to the median admission TSF of 35 mm (IQR 30-40 mm) among those who did not develop vasospasm (p value 0.03). MAMC values did not differ significantly in relation to vasospasm. Patients who expired by 3 months had significantly greater fall in median MAMC values at 1 week (7.7% [IQR 5.2%-11.5%]), compared to the fall in median MAMC values at 1 week among those who were alive at 3 months (2.6% [IQR 2.1%-6.6%]) (p value 0.03). However the fall in TSF values did not differ significantly in relation to mortality. In multivariate analysis, only admission TSF, Hunt & Hess grade and Fisher grade had significant association with vasospasm, independent of other prognostic factors and of each other.

    Conclusions: Excess adiposity of patients measured as TSF is significantly associated with clinical vasospasm independent of other prognostic factors, while fall in MAMC indicating somatic protein catabolism has some impact on mortality.

    Patient Care: The importance of excess adiposity on vasopasm may open avenues for preventing and treating vasospasm following SAH.

    Learning Objectives: To be able to: 1)Describe the relevance of adiposity or Triceps Skin Fold thickness in SAH, 2)Discuss mechanisms of vasospasm linked with excess adiposity, 3)Discuss the importance of MAMC as a measure of somatic protein catabolism on mortality after SAH.

    References:

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