Surgical endoscopy
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Randomized Controlled Trial Comparative Study
Physiologic effects of pneumoperitoneum in adults with sickle cell disease undergoing laparoscopic cholecystectomy (a case control study).
Many studies have demonstrated the adverse consequences of pneumoperitoneum. However, few studies have examined the physiologic effects of pneumoperitoneum in adults with sickle cell disease (SCD) during laparoscopic cholecystectomy (LC). ⋯ This study proved the safety of LC in patients with SCD and cholelithiasis, and that they can tolerate the physiological effects of pneumoperitoneum as non-SCD adults.
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Comparative Study
Construct validity testing of a laparoscopic surgery simulator (Lap Mentor): evaluation of surgical skill with a virtual laparoscopic training simulator.
Before surgical simulators can be implemented for assessment of surgical training, their construct validity should be assessed. ⋯ Performance parameters of the Lap-Mentor can be used to distinguish between subjects with varying laparoscopic experience.
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Comparative Study
Ultrashort intracorporeally maneuverable cryoprobes for laparoscopic renal cryoablation in the porcine model.
To determine the feasibility and efficacy of laparoscopic renal cryosurgery using a novel ultrathin ultrashort intracorporeal cryoprobe in a porcine model. ⋯ Our novel cryoprobe can be used effectively and conveniently in laparoscopic renal cryosurgery. Considering the size of the cryogenic lesion, using a cluster of probes may be advisable.
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Randomized Controlled Trial Comparative Study
Ondansetron, granisetron, and dexamethasone compared for the prevention of postoperative nausea and vomiting in patients undergoing laparoscopic cholecystectomy : A randomized placebo-controlled study.
Laparoscopic cholecystectomies are associated with an appreciably high rate of postoperative nausea and vomiting (PONV). This study was designed to compare the effectiveness of ondansetron, granisetron, and dexamethasone for the prevention of PONV in patients after laparoscopic cholecystectomy. ⋯ Prophylactic dexamethasone 8 mg i.v. significantly reduced the incidence of PONV in patients undergoing laparoscopic cholecystectomy. Dexamethasone 8 mg was as effective as ondansetron 4 mg and granisetron 3 mg, and it was more effective than placebo.
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Randomized Controlled Trial Comparative Study
Randomized blinded trial comparing the cardiopulmonary effects of NOTES with standard laparoscopy in a porcine survival model.
Anecdotal reports of natural orifice translumenal endoscopic surgery (NOTES) procedures in patients are emerging. Whether the new procedure is truly less invasive is not known. We compared perioperative cardiopulmonary parameters during NOTES with standard laparoscopy. ⋯ Significant differences in measured but not clinically apparent cardiopulmonary parameters were encountered. The difference in insufflation gas, different vagal or catecholamine response may be contributing to these findings.