Mexican Americans are an understudied ethnic group for determinants of bone health, although the risk of age-related osteoporosis is high in this rapidly growing sector of the U.S. population. Thus, the objective of the present study was to establish the dietary calcium requirements for bone health in Mexican-American adolescents by measuring calcium retention calculated from balance in respons...

conclusions both the lukewarm-water-soaked gauze and the hot pack techniques had significant effects on postoperative urinary retention and significantly reduced the need for urinary catheterization. using these two simple and cost-effective techniques for managing postoperative urinary retention is recommended. results respectively, 59.5%, 71.4%, and 7.1% of patients in the hot pack, the soake...

The mechanism(s) of renal escape from the hydro-osmotic effect of vasopressin is unknown. We therefore studied escape in conscious, unrestrained rats receiving continuous intravascular infusions of 1-deamino-8-arginine-vasopressin (desmopressin) and hypotonic fluid over 5 days. Escape from desmopressin started 8 hours after exposure and was characterized by a progressive increase in urine flow ...

CONTEXT Oral naltrexone can completely antagonize the effects produced by opioid agonists. However, poor compliance with naltrexone has been a major obstacle to the effective treatment of opioid dependence. OBJECTIVE To evaluate the safety and efficacy of a sustained-release depot formulation of naltrexone in treating opioid dependence. DESIGN AND SETTING Randomized, double-blind, placebo-c...

OBJECTIVE To investigate the cause of post-operative retention of urine in elderly men. DESIGN Prospective study. SETTING Northern General Hospital, Sheffield. PATIENTS 32 consecutive men (median age 73, range 55-85) referred to the urology department who were unable to pass urine either within 48 hours after operation and required catheterisation (23) or after removal of a catheter inser...