Task Analysis of Laparoscopic and Robotic Procedures

Task Analysis For Laparoscopic Dermoid Cyst Removal
Gynecology / Jul 25th, 2019 4:23 am     A+ | a-

Task Analysis For Dermoid Cyst Removal

DR. S. ABINAYA MBBS, MS (OBG), FMAS

Ovarian Dermoid Cyst


1. Patient to be anesthetized.
 
2. Patient to be placed in lithotomy position with 15-degree head down.

3. Abdomen and perineum to be painted and draped

4. The surgeon has to be on the patient’s left side, an assistant on the right side and 2nd assistant if needed in between patients legs for uterine manipulation

5. Monitor to be placed 15 degrees below the visual axis of the surgeon on the opposite side. 

6. All the equipment placed on the opposite side of the surgeon

7. Camera, light source, insufflator, and electrosurgical unit to be plugged into their respective equipment and all cables tied
over upper drape using a gauze and towel clip.

8. Telescope with a camera attached to the light source.

9. Laparoscopic mode to be “on “on the camera cable attachment instrument

10. White balancing and focussing of camera done by placing the camera at a focal length of 10cm from gauze piece.

11. Over inferior crease of the umbilicus, place 2 Allis tissue holding forceps on either side and give 2mm stab incision with No.11 blade. 

12. Dilate rectus muscle until rectus sheath with mosquito forceps. 

13. Measure the thickness of the anterior abdominal wall and add 4cm.

14. Take a veress needle of 12cm

15. Spring action and patency of veress needle has to be checked.

16. Hold verres needle like a dart at the measurement taken by adding 4cm to the anterior abdominal wall.

17. Lift the lower abdominal wall with the left hand and hold Veress in the right hand. 

18. Veress should be held perpendicular to the lower abdomen and 45o to the upper abdomen. 

19. Direct Veress towards the anus.

20. 2 clicks to be heard to say that it has passed intraperitoneally. 1st click is heard as it passes via rectus sheath and 2nd click when it enters via general peritoneum.

21. Confirmation that Veress needle is intraperitoneal is  by hanging drop test and aspiration test.

22. Insufflator tubing to be connected to Veress which contains CO2 and creates pneumoperitoneum

23. Preset pressure is set at 12mm Hg and flow rate at 1 liter/ mt.

24. As soon as CO2 flow starts, look over insufflator for quadromanometric measurements mainly actual pressure and total volume of gas used.

25. These 2 parameters should raise parallel.

26. Check for liver dullness at 200 cc flow of CO2

27. To reach an actual pressure of 12mm Hg, minimal volume of gas should be 1.5 liters.

28. Once the actual pressure of 12mm Hg attained, Veress needle to be removed.

29. Incision over inferior crease extended to 10-11 mm as smiling incision.

30. With the help of an assistant, lift the lower abdominal wall.

31. Hold 10mm port over  the thenar eminence like a pistol

32. Place it perpendicular to the abdomen and by screwing movements, pass it intraperitoneally directed towards the anus.

33. It is confirmed to be intraperitoneal by hearing a click, whooshing sound and also loss of resistance.

34. Now pass a 10mm telescope via the Cannula with light source attached 

35. Visualize and confirm that cannula is intraperitoneal. 

36. Visual inspection of the entire abdomen in a clockwise manner to be done.

37. Check for the side and size of dermoid cyst.

38. Based on the baseball diamond concept, 2 ipsilateral 5mm secondary ports made. 1stport is 7.5cm from primary port and 2ndport, 7.5cm from 1stport along the 18 cm arc.

39. These secondary ports are made under transillumination to avoid inferior epigastric vessel injury.

40. These ports have to be placed such that the manipulation angle is 60degrees, elevation angle is 30 degrees and azimuth angle from 30 degrees to a maximum of 60 degrees as they are ipsilateral ports.

42. Check for any adhesions. 

43. If present, adhesions to be released with harmonic and near the bowel and bladder, by scissors.

44. Pass Maryland grasper via left hand through the lower-left accessory port and hold the dermoid cyst.

45. Pass harmonic using right hand via the upper left secondary port.

46. Give a small incision using harmonic over the dermoid cyst.  

47. Remove the harmonic and pass another atraumatic grasper

48. Hold the incised ovarian tissue wall with Maryland dissectors.

49. Hold cyst wall with an atraumatic grasper.

50. Stripping of the cyst from ovarian tissue wall to be done.

51. Complete enucleation of cyst has to be done and Care should be taken not to rupture the cyst.

52. If accidentally ruptured and content leaked, copious lavage using three litre of NS is done and that is repeated three times

51. Remove the entire cyst leaving ovary without destroying ovarian tissue so as to not to reduce ovarian reserve. ovarian tissue is checked for any bleeders and remnant cystic tissue

52. Suction to be passed and check for any bleeders.

53.5mm telescope passed through 5mm secondary port incision on the left side.

54. Enucleated dermoid Cyst specimen brought out via 10mm port using endobag.

55.Endobag with enucleated cyst brought out along with the removal of port.

 56.  The cyst is broken and crushed using ovum forceps and endobag with cystic tissue removed through 10mm wound.

57. If  there  is hairball or bone-in the dermoid cyst, it can be removed by minimal extension of incision or by colpotomy using endobag

58.  Replace the 10 mm telescope once the specimen removed.

58. Check for perfect hemostasis. 

59. Abdomen deflated

60. Left secondary ports removed under vision 

61. Now the primary port has to be removed by placing telescope inside and then slowly telescope removed in such a way that omentum doesn’t entangle. 

62. 10 mm port site closed using Veress needle.
5 COMMENTS
Dr. R. Kolar
#1
May 22nd, 2020 4:06 am
Very good video with a clear and simple explanation! I learned a lot of knowledge from this article. Thanks for uploading Task Analysis For Laparoscopic Dermoid Cyst Removal.
Dr. D. Maria
#2
May 22nd, 2020 8:26 am
It is very clear and very nice explanation all step of Dermoid Cyst surgery's. I understand very easily... Thanks for uploading Task Analysis For Laparoscopic Dermoid Cyst Removal.
Dr. Mausami Rani
#3
May 22nd, 2020 8:58 am
Wow wondering teaching method of the Task Analysis for Laparoscopic Dermoid Cyst Removal.. explanation is very simple and good..keep it. Thank you for the great Article very nicely explained.


Dilara Wanrio
#4
May 22nd, 2020 9:04 am
Very good Article with a clear and simple explanation! Thank you soo much. I understand all step Dermoid Cyst Removal surgery. Explanation what a great and clear method of this Task Analysis. Thank you sir.


Dr. Milan Singh
#5
May 22nd, 2020 9:10 am
Very good article I ever read... Thank you so much Awesome surgical step by step, very interesting and full of information and very Impressive Task Analysis of Laparoscopic Dermoid Cyst Removal.
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How to Perform and Implement Task Analysis of Laparoscopic and Robotic Procedures

Task analysis is a critical component of any complex surgical procedure, including laparoscopic and robotic surgeries. It involves breaking down the procedure into its constituent tasks, identifying the steps, skills, and cognitive processes required. Task analysis not only enhances the understanding of these intricate surgeries but also serves as a foundation for training, skill assessment, and continuous improvement in healthcare. In this essay, we will delve into how to conduct and implement task analysis for laparoscopic and robotic procedures.

Task Analysis of Laparoscopic Surgery

Understanding the Significance of Task Analysis

Before we explore the procedure for task analysis, it's essential to recognize why it is of paramount importance in the realm of surgery, particularly for laparoscopic and robotic procedures.

1. Enhanced Learning and Training: Task analysis helps in developing structured training programs. It breaks down complex procedures into manageable components, making it easier for trainees to learn and practice each step methodically.

2. Skill Assessment: By understanding the tasks and sub-tasks involved, it becomes possible to assess the competence of surgeons and surgical teams. This is crucial for ensuring patient safety and quality care.

3. Workflow Optimization: Task analysis can reveal inefficiencies in surgical workflows. Identifying these bottlenecks allows for process improvements, potentially reducing surgical times and enhancing outcomes.

4. Error Reduction: Recognizing potential points of error is vital for preventing surgical complications. Task analysis can highlight critical steps where errors are more likely to occur, leading to proactive measures to mitigate risks.

Procedure for Task Analysis of Laparoscopic and Robotic Procedures:

Task analysis for laparoscopic and robotic procedures involves several steps:

Step 1: Define the Surgical Procedure

Begin by clearly defining the surgical procedure you wish to analyze. Whether it's a laparoscopic cholecystectomy or a robotic prostatectomy, having a specific procedure in mind is essential.

Step 2: Gather Expert Input

Engage experts in the field, including experienced surgeons, nurses, and other surgical team members. Their input is invaluable in identifying and detailing the tasks involved.

Step 3: Identify the Tasks and Sub-Tasks

Break down the surgical procedure into tasks and sub-tasks. For instance, in a laparoscopic cholecystectomy, tasks could include trocar placement, camera insertion, gallbladder dissection, and suturing. Sub-tasks under "trocar placement" might involve choosing trocar sizes, making incisions, and inserting trocars.

Step 4: Sequence the Tasks

Establish the chronological order of tasks. Determine which tasks are dependent on others and identify any parallel processes. Sequencing tasks is essential for understanding the flow of the procedure.

Step 5: Define Task Goals and Objectives

For each task and sub-task, define the goals and objectives. What should be achieved in each step? For instance, in gallbladder dissection, the goal might be to safely detach the gallbladder from the liver while preserving nearby structures.

Step 6: Skill and Equipment Requirements

Specify the skills and equipment required for each task. Consider the level of expertise needed, such as basic laparoscopic skills or advanced robotic manipulation. Document the instruments and technology involved.

Step 7: Cognitive Processes

Identify the cognitive processes involved, such as decision-making, spatial orientation, and problem-solving. Understanding the mental aspects of surgery is critical for training and error prevention.

Step 8: Consider Variations and Complications

Acknowledge potential variations in the procedure and anticipate complications. How would the surgical team adapt if unexpected issues arise? Task analysis should encompass both the standard procedure and potential deviations.

Step 9: Develop Training and Assessment Tools

Use the task analysis results to create structured training modules. These modules should align with the identified tasks, objectives, and skill requirements. Additionally, design assessment tools to evaluate the competence of trainees and surgical teams.

Step 10: Continuous Improvement

Task analysis is not a one-time endeavor. Regularly revisit the analysis to incorporate new techniques, technology, and best practices. Continuous improvement is vital for staying at the forefront of surgical care.

Implementing Task Analysis Results:

Once task analysis is complete, it's crucial to implement the findings effectively:

1. Training Programs: Develop and deliver training programs based on the task analysis. These programs should encompass both simulation-based training and real-life surgical experience.

2. Skill Assessment: Use the assessment tools developed during task analysis to evaluate the skills of surgical teams. This can be done through structured evaluations and objective metrics.

3. Quality Improvement: Task analysis can reveal areas for process improvement. Work with the surgical team to implement changes that enhance efficiency and patient outcomes.

4. Error Prevention: Utilize the identified points of error to develop strategies for error prevention. This might involve checklists, preoperative briefings, and enhanced communication protocols.

5. Research and Innovation: Task analysis can also guide research efforts, leading to the development of new techniques and technologies that improve surgical procedures.

In conclusion, task analysis is an indispensable tool in understanding, teaching, and advancing complex surgical procedures such as laparoscopic and robotic surgeries. By meticulously dissecting each task and sub-task, identifying skill requirements, and considering cognitive processes, healthcare professionals can enhance patient safety, optimize surgical workflows, and continually improve the quality of surgical care. Task analysis is not merely an analytical exercise; it is a pathway to excellence in surgical practice.

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