Post-operative abdominal adhesions—awareness of UK gynaecologists—a survey of members of the Royal College of Obstetricians and Gynaecologists
© Springer-Verlag 2008
Received: 26 February 2008
Accepted: 13 May 2008
Published: 24 June 2008
With the recent publication of the European Society of Gynaecological Endoscopy consensus position on adhesion reduction, all members of the Royal College of Obstetricians and Gynaecologists were sent a postal survey with the aim to understand and benchmark UK gynaecological surgeons’ attitudes and actions on adhesions. As expected, of the 356 who responded, gynaecological surgeons (72%) were the majority. Over 85% of respondents agreed that adhesions develop after any type of gynaecological surgery, and more than 50% considered adhesions were now the most common complication of abdominal surgery. Approximately four out of five respondents agreed that all gynaecological patients should be informed of the risk of adhesions and 61% noted that they routinely inform patients for all or some procedures. However, written information was only provided by 2.3% of respondents. Importantly, respondents agreed that a routine adhesion reduction strategy with good surgical technique was fundamental. Respondents’ use of specific agents was identified with 78.8% relying on surgical technique as their current strategy. While 78.8% would use an anti-adhesion agent in high-risk surgery—only 6.1% would consider use in all surgery. Most surgeons still rely on surgical technique alone as their anti-adhesion strategy despite increasing evidence of the important potential additional benefits of using anti-adhesion agents.
KeywordsAdhesions Gynaecology Surgery Survey
Evidence of the extent of the problems of post-operative adhesions has been mounting in recent years, yet adhesiolysis remains the main treatment despite the fact that adhesions reform in most patients . Developments in adhesion reduction strategies and new agents now offer a realistic possibility of reducing the risk of adhesions forming and can improve the outcomes for patients and the associated onward burden for patients, surgeons and healthcare systems. Recognising this, consensus positions were published in the UK and Germany in 2004 following a series of meetings to review the available evidence [2, 3]. Most recently, a major European project was initiated by the European Society of Gynaecological Endoscopy (ESGE) to assess the evidence for adhesions and adhesion reduction options and a European consensus position on the management of adhesions in routine gynaecological surgery has been published [4, 5]. This highlights that adhesions are the most frequent complication of abdominopelvic surgery, yet many surgeons are still not aware of the extent of the problem and its consequences. Clear proposals on the actions that gynaecologists should now take are presented in the consensus. These include the recommendation to inform patients of the risks associated with adhesion-related complications during the consent process. With evidence increasing to support the efficacy of adhesion reduction agents to complement good surgical practice, the European consensus proposes that all surgeons should act now to reduce adhesions and fulfil their duty of care to patients [4, 5].
In respect of these publications and the extent of evidence of the problem of adhesions, what actions are we, as surgeons, taking to fulfil our duty of care to patients? Are we discussing with them the risk of adhesions that routine surgery poses? Do we know the options available to reduce the risks of adhesions forming? How realistic is it to implement routine adhesion reduction strategies? Do we have a benchmark from which we can go forward in light of the mounting evidence of risk and proposals for action? To answer these and other adhesion-related questions, we undertook a survey of UK gynaecological surgeons.
Materials and methods
The survey was performed using a comprehensive but concise four-page questionnaire (“Appendix”) which included questions on basic understanding of the implications and burden of adhesions; considerations on risk to patients and a patient’s right to be informed; strategies to reduce adhesions—including key steps in surgical practice; and considerations, awareness and use of anti-adhesion agents. The questions were designed to explore the key aspects of the recent European consensus proposals [4, 5] to allow the development of a benchmark as to the future impact the proposals may have.
In designing and undertaking the survey, we noted the previous work and findings of earlier adhesion surveys  and the recommendations on good practice in the conduct and reporting of survey research . The Royal College of Obstetricians and Gynaecologists (RCOG) Council reviewed the survey questionnaire and confirmed it acceptable for academic research of their members. This was then posted to all RCOG members in May 2007 overprinted with ‘Important Gynaecological Adhesion Survey’ but no further attractant or incentive was offered and no follow-up of the survey was undertaken as the RCOG Council gave limited access to its membership database. It was also not possible for the RCOG to sub-categorise their membership base to allow targeting of surgical gynaecologists alone. We recognised from the outset that a simple postal mailing of all members may not get a high response—healthcare market research experts suggest 5–10% (personal communication, Gary King, Director GfK HealthCare, GfK NOP Limited). In trying to get a snapshot of current awareness and action in the UK, we considered the survey would however provide an appropriate benchmark which could then allow future audit.
All completed questionnaires received by 10th July 2007 were entered onto a database and analysed anonymously.
Respondent status and geography
London and South East
Associate specialist–staff grade
Central and South West
‘Other’ (general obstetricians and gynaecologist)
Considering whether adhesions only develop after open surgery, the majority disagreed (43.5%) or strongly disagreed (37.0%) but a proportion agreed (14.3%) or strongly agreed (4.9%) with this statement; 46.9% strongly disagreed and 42.5% disagreed that adhesions only formed after laparoscopic surgery, but almost one in ten agreed (8.2%) or strongly agreed (1.7%).
When asked if patients should be informed of the risk of adhesions, most respondents agreed (49.0%) or strongly agreed (24.8%) this should happen for all gynaecological procedures, but over one in five disagreed (21.0%) or strongly disagreed (1.4%) with 3.7% having no view. When asked if patients should be informed in high-risk cases only, over half agreed (35.8%) or strongly agreed (17.9%) with a considerable proportion disagreeing (37.7%) or strongly disagreeing (7.4%) with 1.2% having no view.
The survey then asked if the surgeon advised the patient of the risks when this was done. The majority claimed they did this either as part of the consent process (52.6%) or as part of general information for consent (43.8%), but 1.9% claimed they did this after surgery or not at all (1.7%). When asked how information was provided, the majority claimed they themselves provided the information verbally (87.5%) or another team member would discuss it verbally (0.3%). Only a minority provided written literature (2.3%).
Importance of adhesion reduction steps
Very important (%)
Not important (%)
Do not know (%)
Reduce risk of infection
Careful tissue handling
Starch-free gloves (open)
Focus on planned surgery
Reduce cautery time and frequency
Limit dry towels and sponges
Frequent irrigation (laparoscopy)
Reduce surgery duration
Limit use of materials with loose fibres
Frequent irrigation (open)
Excise tissue–reduce fulguration
Aspirate aerosolised tissue after cautery
Latex-free gloves (open)
Reduce pressure and duration of pneumoperitoneum
Use of adhesion reduction agents as part of an adhesion reduction strategy
Very important (%)
Not important (%)
Do not know (%)
During all abdominopelvic surgery
In high-risk procedures
Key attributes in selecting an anti-adhesion agent
Very important (%)
Not important (%)
Do not know (%)
Evidence it reduces adhesions
Evidence of safety
Ease of use
Evidence it impacts on adhesion-related outcomes
Reduces pelvic pain
Improves pregnancy rates
No specialist equipment or technique required
Use of approved anti-adhesion agents
Use regularly (%)
Still use occasionally (%)
Have used in past (%)
Never used (%)
Adept® (n = 346)
Interceed® (n = 321)
Seprafilm® (n = 297)
SurgiWrap® (n = 299)
Oxiplex® (n = 293)
SprayGel® (n = 296)
Hyalobarrier® (n = 296)
Preclude® (n = 296)
Other comments (n = 64)
The survey is timely. With the recent publication of the ESGE consensus position on the management of adhesions [4, 5], it provides a useful benchmark of current understanding, attitudes and actions of UK gynaecologists.
There is also no necessary relation between low response rates and bias [13–15] and any bias in the results of this survey is likely to represent an overestimate of UK gynaecological surgeon’s interest, awareness and action on adhesions. This then sets a higher benchmark from which to go forward than may in fact currently be the reality in the broader generalist gynaecological surgical community.
Considering the survey findings, while it is clear that most responding gynaecologists understand that adhesions develop after any kind of gynaecological surgery, around one in seven disagreed or strongly disagreed, although the vast majority considered some procedures carry a higher risk of adhesion formation.
Nearly one in five respondents reported that adhesions only form after open surgery yet important epidemiological research has shown that the risk of adhesion-related re-admission following most gynaecological laparoscopy procedures is comparable to that of gynaecological laparotomy . Although laparoscopic surgery is generally considered to be accompanied by reduced de novo adhesion formation in comparison to laparotomy [17–19], a meta-analysis revealed comparable results for both formation of de novo adhesions and re-formation following laparoscopic and open adhesiolysis . The reasons for this similarity are not fully understood but it is considered that the environment of the pneumoperitoneum  and the surgeon’s training play an important role .
Considering the procedural risk of adhesions, the survey illustrated that, while gynaecological surgeons may be generally aware of adhesions and their consequences, their knowledge is not comprehensive. Most respondents recognised the adhesiogenic nature of undertaking surgery in patients with endometriosis where there is a heightened inflammatory response and angiogenesis . The risk of adhesions following open myomectomy was also recognised, but 30% considered laparoscopic myomectomy was low risk. While the risk of adhesions may be slightly lower in laparoscopic myomectomy (∼48%) than open myomectomy (∼70%) , these procedures are still problematic for patients wishing to become pregnant. While respondents understood the risk of adhesion formation after open adhesiolysis, almost half of respondents considered laparoscopic adhesiolysis was a low-risk procedure, yet research has clearly demonstrated a mean adhesion re-formation rate of 85% following surgery regardless of the method of adhesiolysis . Patients undergoing open tubal and ovarian surgery have been shown to be at most risk of adhesion-related re-admissions , yet almost one in four of the survey respondents considered open tubal and ovarian surgery to be low risk and over half of respondents considered laparoscopic surgery low risk. Whilst these results may reflect some surgeons interpreting tubal surgery as simple sterilisation procedures with a low risk of adhesions, all other tubal and ovarian procedures carry a significant risk of adhesion-related re-admissions . Half of respondents felt that open hysterectomy was a low-risk procedure whereas a recent 7-year audit of admissions for SBO showed that, in non-oncological cases, 50% of admissions were the result of previous gynaecological surgery with total abdominal hysterectomy cited as the most common cause of SBO .
The majority of respondents felt there is a need to encourage heightened awareness and understanding of the problems of adhesions and the associated healthcare burden with theatre staff, budget holders, nurses, managers and policy makers as well as other surgeons. This is indeed one of the key recommendations of the recent ESGE consensus position [4, 5] which seeks to ensure adhesions are seen not simply as a technical surgical problem but as an important surgical risk that affects the health of patients and hence, cumulatively, the economics of the entire community.
The survey questioned whether UK gynaecologists felt patients should now be informed of adhesion risks. While the majority of respondents agreed this should occur for all gynaecological procedures, over one in five disagreed. The majority also recognised that surgeons have a duty of care to protect patients by providing the best possible standards of care—including taking steps to reduce adhesions. The established duty of care requires that the clinician must give advice and sufficient information upon which a patient can reach a rational decision as to whether they accept or refuse treatment. In the consent process, it is recommended that patients should be advised of the reasons for and nature of the procedure, the benefits, risks, discomforts and alternatives and the consequences of not undergoing the procedure. Importantly, in the UK, the National Health Service Litigation Authority (NHSLA) has identified a risk level of 1–2% as being the limit above which failure of notification could be deemed to be negligent . It is common practice in the consent process to advise patients of risks of complications such as general anaesthesia and general complications after laparoscopic surgery, (e.g. pain, bleeding, infection, damage to the bowel–bladder–urethra), but their risk ratios are less  than those for a directly adhesion-related re-admission (adhesiolysis) in the first year after open or laparoscopic gynaecological surgery .
Although around 60% of respondents claimed to routinely advise patients of the risk for all or at least some procedures, over 21% only sometimes advise of the risks and a worrying 16% would only rarely or just occasionally inform patients. Alarmingly, a minority (1.6%) claimed they would never inform patients of the risks. This is against the current advice of the NHSLA . Many patients will use the Internet to find out information about the procedure they are to undergo. If they then experience adhesion-related complications, they may seek legal advice and if they have not been warned about the risks then there is more likely to be a problem.
The survey also identified that where respondents do advise of the risks of adhesions the overwhelming majority do so as part of the consent process—but 2% do it after surgery! Moreover, the vast majority provide information verbally. This may be problematic as, unless this is documented clearly in the patient’s notes, there is no evidence in a future legal case. The use of written literature should be considered. In our experience, written materials supplement discussion of adhesion risk alongside other surgical complications, and the reaction of the vast majority of patients is very positive. They are pleased that we are thinking about their future, not only the surgery, but are seeing them from a more holistic perspective.
Most respondents agreed that part of the duty of care included taking steps to reduce adhesions and when asked if they would adopt a routine adhesion reduction strategy most agreed that they would. Almost all respondents suggested that this approach should be adopted in all gynaecological surgery, while one in five felt that this should be reserved for high-risk surgery only.
Good surgical technique was agreed by the majority to be fundamental to an adhesion reduction strategy but when their understanding of what this constituted was questioned some interesting findings emerged. The key steps of reducing infection risk, good haemostasis and careful tissue handling were all well recognised as important along with other fundamental surgical steps. However, responses to some other important factors gave concerns. Irrigation during laparoscopy was not considered important by 13% and one in five did not consider it important in open surgery, yet frequent irrigation and aspiration remove most of the contaminants during the surgical procedure, resulting in less damage to the tissues and also ensure that the tissues are protected from desiccation. Emerging data suggest this is particularly beneficial during laparoscopy as the pneumoperitoneum can damage the peritoneum [29–31]. Moreover, just under half of all respondents considered that reducing the pressure and duration of the pneumoperitoneum was important with one third claiming they ‘do not know’ this is important, yet this is a key area of discussion and one where there is active research [30, 31].
When asked if adhesion reduction agents should be used as part of an adhesion reduction strategy, while the majority agreed they should in high-risk surgery, almost 25% did not consider this important in all abdominopelvic surgery. As it is impossible to identify which patients will be at risk of adhesion-related complications, prevention strategies should be aimed at all patients.
Considering the factors in selecting an anti-adhesion agent, evidence that an agent reduces adhesions and was safe were cited as key. Cost, while important for most, was not felt important by over one third of respondents, yet appears to be a key barrier to many hospitals allowing an agent to be purchased for use. Evidence of impact on adhesion-related outcomes was also considered important. There are however very few studies that have looked at the impact of an agent on clinical outcomes such as pregnancy, reduction in SBO or ease of re-operative surgery, largely because of the complexity of undertaking clinical outcome studies in surgery . Regulatory authorities require studies of adhesion reduction agents for regulatory approval to focus on adhesion reduction  and clinical outcome studies are likely to remain beyond their scope.
The current survey directly asked surgeons to rate their use of specific anti-adhesion agents approved for use in Europe. This highlighted that most agents have never been used by respondents and while Interceed® had been well used in the past, it had been superseded in the experience of the majority by Adept®. Whether this relates to the move from open to laparoscopic gynaecological surgery where a fluid is simple to use is not identified from the survey, but the recent publication of the pivotal study to assess efficacy and safety may have been influential .
What the survey shows, however, is that while Adept® may be the current agent of choice amongst survey respondents, when asked what best describes their current strategy for reducing adhesions, almost 80% rely on their surgical technique.
Sound epidemiological studies have shown that even with advances in surgical practice, adhesions continue to represent a significant burden for patients, surgeons and healthcare systems [16, 25, 35–37]. Evidence is also increasing to support the efficacy of adhesion reduction agents to complement good surgical practice . Despite this, most survey respondents still rely on surgery alone.
Notwithstanding the response rate, the survey indicates that amongst what were largely senior-level gynaecological surgeons, there is a general increased awareness of the risk and seriousness of adhesions. However, gynaecological surgeons are not yet routinely advising patients of the risk of adhesions as part of the consent process. Despite evidence indicating that changes in surgical practice have had little impact on reducing adhesion complications, most surgeons responding currently rely on surgery alone as their anti-adhesion strategy. With increasing evidence supporting the efficacy of adhesion reduction agents to complement good surgical practice, as the recent ESGE consensus position on adhesion management proposes, it is timely for all gynaecological surgeons to act on adhesions. This survey of UK gynaecological surgeons provides a useful benchmark for future action on adhesions and similar studies in other countries may be useful to allow for subsequent audit of the recent ESGE consensus proposals for action on adhesions [4, 5].
The survey project and manuscript development was facilitated by Corvus Communications under the direction of the authors. Special thanks for the work of Alison Crowe, Alastair Knight and Jill Kirkdale in patiently supporting and encouraging all of us to actively contribute and feedback on all stages of the project development.
All authors were involved in the design of this research project and the survey questionnaire. All authors reviewed and commented on analysis of data and had considerable input to the development of this manuscript in both writing and review.
The project received funding through an unconditional grant from Baxter BioSurgery.
All authors have been involved in research in adhesions and their management and provided consultancy advice to various commercial companies and participated at various meetings and congresses for which they have received support for their time and expenses. In the context of the work presented here, there is no conflict of interest.
This was a survey on surgeons’ attitudes and awareness. The project and survey questionnaire were reviewed and approved by the Council of the Royal College of Obstetricians and Gynaecologists in the UK. All respondents’ feedback was analysed anonymously.
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