Clinical & Experimental Cardiology
Open Access

David Ben Sira

Publications

• Research Article
  Are there Differences between Adolescent Males and Females for Maintaining the Metabolic Cost at Maximal Oxygen Uptake?
  Author(s): Moran S Saghiv*, Chris Sherve, David Ben Sira, Michael Saghiv and Ehud Goldhammer Moran S Saghiv*, Chris Sherve, David Ben Sira, Michael Saghiv and Ehud Goldhammer
  
  Purpose: The present study looked at gender difference in oxygen delivery-extraction at maximal oxygen uptake in healthy adolescents. Methods: 36 adolescent males (14.9 ± 1.1 years) and 33 adolescent females (15.0 ± 1.1 years) underwent a maximal oxygen uptake test and a two dimensional direct m-mode echocardiography performed on a bicycle ergometry. Arteriovenous oxygen difference was defined by utilizing the Fick equation. Results: At rest, males compared to females had significantly (p<0.05) higher oxygen extraction (38.8 ± 1.4 and 31.8 ± 1.2 mL.kg-1 .min-1 respectively), systolic blood pressure, and mean arterial blood pressure. At peak exercise test, males compared to females demonstrated significant (P<0.05) higher values for cardiac output (16.6 ± 0.7 .. View More»
  DOI: 10.4172/2155-9880.1000519

  Abstract PDF

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