Influence of visual force feedback on tissue handling in minimally invasive surgery  

Oleh:

Rodrigues, S. P. ; Horeman, T. ; Sam, P. ; Dankelman, J. ; Dobbelsteen, J. J. van den ; Jansen, F.-W.

Jenis: Article from Article - diterbitkan di jurnal ilmiah internasional
Dalam koleksi: BJS: British Journal of Surgery vol. 101 no. 13 (Dec. 2014), page 1766-1773.

Ketersediaan

Perpustakaan FK Nomor Panggil: B15.K Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Background Force feedback might improve surgical performance during minimally invasive surgery. This study sought to determine whether training with force feedback shortened the tissue-handling learning curve, and examined the influence of real-time visual feedback compared with postprocessing feedback. Methods Medical students without experience of minimally invasive surgery were randomized into three groups: real-time force feedback, postprocessing force feedback and no force feedback (control). All performed eight suturing tasks consecutively, of which the first and eighth were the premeasurement and postmeasurement tasks respectively (no feedback). Depending on randomization, either form of feedback was given during the second to seventh task. Time, mean force non-zero and maximum force were measured with a force sensor. Results of the groups were compared with one-way ANOVA, and intragroup improvement using a paired-samples t test. Results A total of 72 students took part. Both intervention groups used significantly lower interaction forces than the control group during the knot-tying phase of the postmeasurement task and improved their interaction forces significantly during the knot-tying phase. The form of feedback did not influence its effectiveness. Conclusion The tissue-handling skills of medical students improved significantly when they were given force feedback of their performance. This effect was seen mainly during the knot-tying phase of the suturing task.

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