Preventing entry-related gynaecological Lap injuries RCOG 2008 + Diagnostic Lap consent RCOG 2017 Flashcards
Risk of serious complication from Dx Lap
2/1000
What % of bowel injuries are not recognised at time of laparoscopy?
15%
Diagnostic Lap - risk hernia at site entry
1/100
Diagnostic Lap risk death
3-8/100,000
What is the intra-abdominal pressure before inserting primary trochar
20-25mmgHg
Once insertion of trochar is complete, distention pressure should be reduced to what?
12-15mmHg
How to insert primary trochar
90degrees to skin
Thinnest part of abdominal bass, base of umbilicus, stop as soon as in abdo cavity
360 degree check for adherent bowel
If concern bowel may be under umbilicus?
Primary trochar should be visualised from secondary port, preferable with 5mm laparoscope
What is the name of open entry technique at the umbilicus?
Hanssons technique
What is the alternative site for primary trochar or verses needle insertion?
Palmer’s point
3cm below L costal margin in midclaviclar line
25mmHg pressure, insert 2-5mm endoscope to inspect adhesions , then insert trochar
Rates of umbilical adhesion formation after midline laparotomy
50%
Rates of umbilical adhesion formation after lower transverse C/S
23%
How should secondary port be inserted?
Direct vision, maintaining 20-25mmgHg
Visualise the inferior epigastric vessel
One tracer has pierced the peritoneum, angle towards the anterior pelvis under visual control
What entry techniques are recommended for the primary entry in women who are morbidly obese?
Hasson or palmers point
What is the mean vertical distance from umbilicus to peritoneum in morbidly obese women i?
6cm +/-3cm