AGES XXIII Annual Scientific Meeting 2013 Abstracts & Program

AGES XXIII Annual Scientific Meeting 2013
Free Communications 2 - Thursday 7 March
were constructed based on the following variables: Model
1(M1): the presence of an endometriotic nodule, right
ovary fixation, and POD obliteration (predicted using the
‘sliding sign’ technique) and Model 2 (M2): the presence
of an endometriotic nodule, right ovary fixation and bowel
infiltration. The predictive ability of the preliminary models
(with 95% confidence intervals) gave the following results
for M1 vs. M2, respectively: area under the curve (AUC)
= 0.97 vs. 0.97, accuracy = 96% vs. 95%, sensitivity = 97%
vs. 97%, specificity = 93% vs. 90%, positive predictive
value = 97% vs. 96%, negative predictive value = 93% vs.
93%, positive likelihood ratio = 14.6 vs. 9.7, and negative
likelihood ratio 0.03 vs. 0.03. When the ultrasound finding
of “POD obliteration” was used as a single variable for the
prediction of POD obliteration at surgery, the AUC was
0.90, and was significantly different from the AUC for M1
(p = 0.02) and M2 (p = 0.04).
AUTHOR AFFILIATION: P. de Rosnay, G. Cario, D. Rosen,
D. Chou, M. Cooper, G. Reid, L. Reyftmann, S. Choi; Sydney
Women’s Endosurgery Centre (SWEC), St. George Private
Hospital, Kogarah, New South Wales, Australia.
CONCLUSIONS: We have developed two new models to
predict the likelihood of POD obliteration in women with
chronic pelvic pain who are scheduled to undergo endometriosis
surgery. Both of these models outperformed the TVS “sliding
sign” alone as a predictor of POD obliteration. We aim to test
these models prospectively to evaluate their performance in the
pre-operative prediction of POD obliteration.
AUTHOR AFFILIATION: S. Reid 1,2 , C. Lu 3 , I. Casikar 4 , G.
Condous 4 ; 1. University of Sydney, Sydney, New South Wales,
Australia. 2. Nepean Hospital, Penrith, New South Wales,
Australia. 3. Department of Computer Sciences, University of
Aberystwyth, United Kingdom. 4. Acute Gynaecology, Early
Pregnancy and Advanced Endosurgery Unit, Nepean Medical
School, Nepean Hospital, Penrith, New South Wales, Australia.
SESSION 3 - Free COMMUNICATIONS II /
1450-1500
A retrospective analysis looking at case-mix and
complications in an established tertiary-level centre
de Rosnay P, Cario G, Rosen D, Chou D, Cooper M,
Reid G, Reyftmann L, Choi S
Town Hall Brisbane
We present cumulative data covering the full spectrum of
benign endo-gynaecological surgery at the Sydney Women’s
Endosurgery Centre (SWEC).
This tertiary-level unit comprises a team of advanced
laparoscopic surgeons, working at a number of different centres,
operating on complex cases with significant risk of intra- and
postoperative complications. These include laparoscopic
hysterectomy, myomectomy, pelvic floor repair, resection of
endometriosis as well as a range of hysteroscopic interventions.
Robotic surgery has recently been introduced at SWEC and
will form an integral part of our annual audit.
Patient outcomes including ‘Quality of Life’ as well as
surgery-related morbidity are constantly being evaluated with
the view to improving standards of care.
This annual review provides valuable insight into our current
practise but also enables us to use the cumulative data to look
at how our caseload and complication rates have evolved over
the years.
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