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  • Title: [Changes in ventricle dynamic data in geriatric patients during spinal anesthesia. Results of a polymechanocardiographic study].
    Author: Seitz W, Choi B, Schaps D, Kirchner E.
    Journal: Reg Anaesth; 1983 Jul; 6(3):61-5. PubMed ID: 6612018.
    Abstract:
    Systolic time intervals were performed in 14 elderly patients after spinal anaesthesia. The following parameters were measured or calculated: Heart rate (HR), total electromechanical systole (QS2), pre ejection period (PEP), isometric contraction time (ICT), left ventricular ejection time (LVET), 1/PEP2, PEP/LVET and pdiast/RS1. There was a significant increase of the relation of the pre ejection period to left ventricular ejection time (PEP/LVET), while there were lower values for 1/PEP2 and pdiast/RS1 ratio. The data suggest that compensatory cardiac activity following spinal anaesthesia in geriatric patients is remarkable diminished in contrast to young people.
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