Biomedical subjects

L Panait

Publications and source records attributed to L Panait.

4 recordsLinked to original sources

PubMed2006

Skill performance in open videoscopic surgery.

INTRODUCTION: Application of minimally invasive surgery represents the future of modern surgical care. Previous studies by our group provided a novel way for viewing open surgery using a rigid endoscope attached to charged coupled device (CCD) camera in proximity to the surgical field using a robotic arm (AESOP) and a stabilizing fulcrum (Alpha port). MATERIALS AND METHODS: This study is a follow-up to investigate the technical feasibility, advantages, and disadvantages of relying only on video images displayed on standard monitors in performing open surgical procedures instead of direct binocular eye vision. This study used two surgeons as participants with training in basic surgical skill and previous experience in performing an intestinal anastomosis in an ordinary fashion. The standard task consisted of anastomosing porcine intestine in two layers with digital viewing of the operative field. A total of 40 anastomoses (20 by each surgeon) were compared with 10 control performances using direct vision of the field. RESULTS: All the resulting anastomoses were accurate, well coapted, and fully patent with no leakage. Time for task performance was approximately twice as long (p < 0.05) with videoscopic vision as with direct vision. DISCUSSION: These findings suggest it is technically feasible to conduct open surgeries with visualization of the open surgical field limited to video display on standard monitors.

Anastomosis, Surgical↗

PubMed2005

Telementoring versus on-site mentoring in virtual reality-based surgical training.

BACKGROUND: Telementoring can be an adjunct to surgical training using virtual reality surgical simulation. Telementoring is hypothesized to be as effective as a local mentor for surgical skills training. METHODS: In this study, 20 Romanian medical students trained using a virtual reality surgical simulator (LapSim) with a telementor or local mentor. All the students watched an instructional module at the beginning of the exercise. The telementor, in the United States, interacted by videoconferencing. Before and after training sessions, tool path length and time for task completion were measured. RESULTS: Instructional media and training with mentoring resulted in similar levels of performance between locally mentored and telementored groups. Right- and left-hand path length and time decreased significantly within each group from the initial to the final evaluation (p < 0.05) for most tasks (grasping, cutting, suturing). No significant difference was achieved for clip-applying. CONCLUSIONS: Integration of instructional media with telementoring can be as effective for the development of surgical skills as local mentoring.

Education, Medical↗

PubMedDate not supplied

Applications of robotics in surgery.

The end of the 20th century brought an increased use of computerized technology in medicine and surgery. The development of robotic surgical systems opened new approaches in general and cardiac surgery. Two leading robotic companies, Computer Motion, Inc. and Intuitive Surgical, Inc. have developed the Zeus and Da Vinci respectively, as very effective tools for surgeons to use. Both of them consist of a surgeon console, located far from the operating table, and three robotic arms, which reproduce inside the patient's body the movements performed by the surgeon at the console. The advantages of robotic surgery over laparoscopy and open surgery include: better eye-hand coordination, tremor filtration, steadiness of camera, 3-D vision, motion scale, more degrees of freedom for instruments etc. Of course, there are also some disadvantages, like the lack of tactile feedback, long time of set up, long learning curve, high cost etc. However, the advantages seem to overcome the disadvantages and more and more operations are conducted using robots. The impact of robotics in surgery is therefore very promising and in the future it will probably open even more new ways in the surgical practice and education both in Romania and across the globe.

Forecasting↗

PubMedDate not supplied

[Urinary complications after anorectal surgery].

The prevalence of urinary complications after various anorectal operations was studied in a group of 273 patients. The overall prevalence of urinary complications was 26.7%; most of these complications affected men between 41 and 50, mainly after hemorrhoidectomy. In 10.6% of patients, bladder catheterization was needed. These urinary complications result from nervous reflexes originating from the anus and determined by the operative trauma and/or rectal distinction. In the treatment of these urinary complications, the role of the muses is essential for reassuring the patients. Parasympathomimetic drugs are often efficient. Urinary catheterization must be delayed until the 18th hour. Fluid restriction may be useful to prevent urinary retention.

Adult↗