Tuesday, February 23, 2010

“Study Presented About Daily Activities Of Youth And Their Risk Of Being Violently Injured (Medical News Today)” plus 1 more

“Study Presented About Daily Activities Of Youth And Their Risk Of Being Violently Injured (Medical News Today)” plus 1 more


Study Presented About Daily Activities Of Youth And Their Risk Of Being Violently Injured (Medical News Today)

Posted: 23 Feb 2010 05:25 AM PST

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Main Category: Pediatrics / Children's Health
Also Included In: Public Health;  Alcohol / Addiction / Illegal Drugs;  Preventive Medicine
Article Date: 23 Feb 2010 - 2:00 PST

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Douglas J. Wiebe, PhD, assistant professor of Epidemiology at the University of Pennsylvania School of Medicine presented portions of an ongoing study about the daily activities of youth and their risk of being violently injured.

Violent injury, the second leading cause of death among US youth, appears to be the end result of a web of factors including alcohol, weapons, and dangerous urban environments. Using new techniques, a team led by Dr. Wiebe is investigating how the nature and whereabouts of daily activities relate to the likelihood of violent injury among youth.

Injured youth are recruited during hospital treatment; uninjured controls are recruited from households across Philadelphia using random digit dialing. Laptop-based, portable mapping technology is used to interview each youth and construct a graphic, minute-by-minute record of how, when, where, and with whom youths spent time or moved about over the 24-hour time period leading up to their injury. Each youth also reports their activities, including use of alcohol and weapons at each point throughout the same day. Characteristics of streets, buildings, and neighborhood populations are then linked to each point in their daily activities.

"The ultimate goal is to inform communities of place-based risk factors and identify opportunities to make communities safer," says Wiebe. "Simply put, where youth go throughout their day influences the opportunities they have to get hurt. The goal is to identify the most high risk places." The hope is that this type of information can be used to better design and revitalize urban environments for safety.

Source:
Karen Kreeger
University of Pennsylvania School of Medicine

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Few Differences In Outcomes Between Open And Laparoscopic Prostate Surgery: According To New Study Published In The ... (Medical News Today)

Posted: 23 Feb 2010 04:39 AM PST

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Main Category: Prostate / Prostate Cancer
Also Included In: Urology / Nephrology;  Men's health
Article Date: 23 Feb 2010 - 1:00 PST

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In a study published online in The Journal of Urology, researchers from the Urology Service, Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, examined the postoperative outcomes of both ORP and LRP and found similar rates of success. They advise that men considering prostate cancer surgery should understand the expected benefits and risks of each technique to facilitate decision making and set realistic expectations.

Of the 200,000 men newly diagnosed with prostate cancer each year in the United States, about one-third will undergo surgical treatment. Although open radical prostatectomy (ORP) is regarded as the standard treatment, laparoscopic radical prostatectomy (LRP) with or without robotic assistance is becoming more common.

In a study published online in The Journal of Urology, researchers from the Urology Service, Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, examined the postoperative outcomes of both ORP and LRP and found similar rates of success. They advise that men considering prostate cancer surgery should understand the expected benefits and risks of each technique to facilitate decision making and set realistic expectations.

Enthusiasm for LRP, specifically for LRP with robotic assistance, has grown rapidly despite limited evidence of its superiority to ORP. While most studies to date have been based on a limited number of patients or from single institutions, the authors of the current study compared ORP and LRP outcomes in a population based cohort of almost 6000 men 66 years of age or older with clinically localized prostate cancer, controlling for patient and tumor characteristics, and examined the impact of surgeon volume in men treated with LRP.

Dr. Yair Lotan, Department of Urology, University of Texas Southwestern Medical Center, Dallas, comments on the study, "A concern of these authors is the perception among patients that the robotic approach to prostatectomy is significantly superior. This perception is often reinforced by advertising from industry and physicians. Patients deserve to have a realistic expectation of surgical outcomes, especially considering the multiple other available treatment options. Notably the main information that a patient must know is not the prostatectomy approach but surgeon experience. Several studies show that the primary determinant of prostatectomy outcome is surgical volume. Patients should be educated on likely outcomes of a procedure based on individual surgeon experience. Unfortunately this information is often harder to obtain than published reports from experts in the field."

After adjusting for patient and tumor characteristics, there were no differences in the rate of general medical/surgical complications or genitourinary/bowel complications, or in postoperative radiation and/or androgen deprivation. LRP was associated with a 35% shorter hospital stay and a lower bladder neck/urethral obstruction rate. In laparoscopic cases, the surgeon's experience with the procedure was inversely associated with hospital stay and the odds of any genitourinary/bowel complication.

Writing in the article, William T. Lowrance, MD, and colleagues state, "Results suggest that ORP and LRP have similar rates of postoperative mortality and morbidity. Controlling for important patient and tumor characteristics, the only differences favoring LRP were shorter length of stay and a lower risk of bladder neck or urethral obstruction. All men considering radical prostatectomy should be clearly informed about the differences between the 2 techniques and similarities in their expected outcomes, and make treatment decisions in collaboration with an experienced surgeon."

Source: Elsevier

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