Found a few related associations online:

American Pediatric Surgical Nurses Association:"Join over 300 pediatric surgical nursing colleagues who care for children in perioperative, inpatient, outpatient, and office settings. APSNA membership spans the spectrum of the care of children requiring surgical care....from trauma to burns to injury prevention...from inpatient to ambulatory surgery...inpatient and outpatient care...neonatal through adolescent....NICU & PICU....the inpatient units....PACU....registered nurses and nurses in advanced practice....we are as diverse as the children we serve. One member said it best, "We are the glue of the service". Come join a very special group of health professionals whose talents are many but whose focus is singular....children."
APSNA
Post Office Box 1605 Lansdale PA 19446
Phone Number: 203 457-1275
Fax Number: 202 884-4174
admin@apsna.org
http://www.apsna.org

Andrew Lopez, RN
http://www.4nursing.com