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Biomedical subjects

Louise M Aldridge

Publications and source records attributed to Louise M Aldridge.

2 recordsLinked to original sources
PubMed2006

Endoscopic nephrectomy in children: is retro the way forward?

OBJECTIVE: To determine the benefits of nephrectomy in children performed via a retroperitoneoscopic approach compared to the laparoscopic route. MATERIALS AND METHODS: We reviewed all endoscopic nephrectomies performed at our institution from August 1998 to February 2003. RESULTS: A total of 32 endoscopic nephrectomies were undertaken: 22 laparoscopic nephrectomies with 5 conversions to open surgery, and 10 retroperitoneoscopic. The main indication for surgery was poor function secondary to either reflux or obstructive nephropathy. Intraoperative heart rate changes were less marked in patients undergoing retroperitoneoscopic nephrectomy. The median operative time for retroperitoneoscopic nephrectomy was 65 minutes and 95 minutes for laparoscopy. Epidural analgesia was not required in successful endoscopic nephrectomies. The median postoperative morphine requirement in the retroperitoneoscopic group was 110mcg/kg compared to 280mcg/kg in the laparoscopic group. The majority of patients who had successful endoscopic nephrectomies were discharged to home within 2 days of surgery. CONCLUSION: Retroperitoneoscopic nephrectomy appears to be a safe technique in children, with reduced intraoperative physiological effects compared to the laparoscopic approach. Operative time was generally shorter than the laparoscopic approach and there appeared to be an additional benefit of reduced postoperative pain.

Adolescent↗
PubMed2006

Anesthesia for pediatric lithotripsy.

SUMMARY BACKGROUND: We describe 7 years experience of providing anesthesia for children undergoing lithotripsy in a hospital without pediatric inpatient facilities. A pediatric team, including anesthetist, pediatric nurse along with the equipment travel across the city with the patient from the children's hospital. As a high incidence of postoperative vomiting and discomfort was observed, the effect of increasing intraoperative analgesia and the use of antiemetic medication was examined. METHODS: From 1998 to 2004, 69 children (49 boys and 20 girls) were anesthetized for 120 procedures: 67 extracorporeal shock wave lithotripsy (ESWL) and 53 endosurgical procedures, consisting of percutaneous nephrolithotomy (29), ureteroscopic laser lithotripsy (17) and percutaneous bladder litholapaxy (7). The mean age was 5.4 years (10 months to 13 years) and weight 23.7 kg (7.1-59 kg). ESWL was performed initially with a Wolf Piezolith 2300, and after 1999, a Dornier Compact Delta. RESULTS: Increased administration of intraoperative analgesia resulted in reduced postoperative analgesia requirements in all the groups, with a significant reduction (P < 0.05) in the endosurgical group. Those who required more postoperative analgesia had more vomiting significantly (P < 0.05). CONCLUSIONS: For ESWL postoperative pain is dependent on the type of lithotriptor and the resultant stone fragment size created. This study suggests that postoperative vomiting could be reduced more effectively by the increased administration of intraoperative analgesia, than by a single intraoperative dose of an antiemetic drug.

Adolescent↗