Steroid pretreatment for contrast allergy

Steroid pretreatment produced significantly higher function in controls and transplanted animals compared with nonsteroid-treated animals. On average over 6 hours, significant steroid effects were observed for left ventricular peak systolic pressure, mm Hg (CON, 85 +/- 2; CON-S, 98 +/- 3; TX, 74 +/- 3; TX-S, 91 +/- 2); global stroke work, mJoule x cm(-2) (CON, +/- ; CON-S, +/- ; TX, +/- ; TX-S, +/- ); and peak rate of pressure relaxation (-dP/dt(max)), mm Hg/msec (CON, +/- ; CON-S, +/- ; TX, +/- ; TX-S, +/- ). Steroid pretreatment produced more stable recovery for transplanted animals. All five TX-S animals could be removed from inotropic support and had stable function for 6 hours. In contrast, 1 of 5 TX animals could not be removed from inotropic support, and 1 of 5 TX hearts failed 3 hours after transplant. Arterial blood PO2 values were significantly higher in steroid-treated animals than in nonsteroid treated animals. Blood systemic lactate, which was elevated after transplantation, returned to control level by 6 hours in the steroid-treated group but not in the nonsteroid-treated group.

Shelton and Rajfer (2012) noted that androgen deficiency in aging men is common, and the potential sequelae are numerous.  In addition to low libido, erectile dysfunction, decreased bone density, depressed mood, and decline in cognition, studies suggest strong correlations between low testosterone, obesity, and the metabolic syndrome.  Because causation and its directionality remain uncertain, the functional and cardiovascular risks associated with androgen deficiency have led to intense investigation of testosterone replacement therapy in older men.  Although promising, evidence for definitive benefit or detriment is not conclusive, and treatment of LOH is complicated.

Steroid pretreatment for contrast allergy

steroid pretreatment for contrast allergy

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