Rape and Sexual Assault: Medical and Psychosocial Care

Chapter 19
Rape and Sexual Assault: Medical and Psychosocial Care


Hannah Loftus and Karen Rogstad


Genitourinary Medicine, Sheffield Teaching Hospitals NHS Foundation Trust, UK







OVERVIEW



  • Individuals presenting following sexual assault are vulnerable. Medical and psychosocial care must be correct first time
  • The consultation and examination should be carried out at the victim’s pace and tailored to their needs
  • Victims of rape and sexual assault should be offered testing for sexually transmitted infections (STIs) and consideration should be given to post-exposure prophylaxis
  • STI samples might be used as evidence in a court of law and should thus have a chain of evidence
  • All women and girls should be assessed for, and have access to, emergency contraception, including those who are pubertal and perimenopausal
  • Psychosocial support should be available both immediately and in the long term





Introduction


The medical care of individuals presenting following sexual assault needs to be managed sensitively but with awareness of relevant time considerations. Most people who have been sexually assaulted do seek medical help at some stage, but the time taken to do so may range from hours to years. Management will vary depending on the time since the assault, whether the individual chooses to report the assault to the police and where she or he chooses to receive aftercare. Immediate care (see Chapter 18) should be followed up with longer-term medical and psychosocial support.


If there are ongoing potentially life-threatening problems, their management takes precedence and the patient should be transferred to an emergency department immediately.


The individual should be asked if they wish to report to the police. If they do then transfer to a sexual assault referral centre (SARC) should be facilitated. Even if they do not wish to report, a SARC provides the ideal environment for assessment and support. However, some patients may choose not to access these services.


Accurate and legible documentation in the notes is extremely important; records should be timed and dated (see Chapter 20). The notes may be used as evidence if the patient chooses to report the assault to the police at a later time. Detailed documentation can also be invaluable later for other reasons, such as an application to the Criminal Injuries Compensation Authority. In all departments where individuals commonly present following sexual assault, a pro forma can be useful in enabling inexperienced staff to collect all necessary information.


History


The history should be carried out in a private room where the patient can feel safe. They should be given time to talk and should never be pressured into giving information they do not wish to disclose. It is important to ask about details of the sexual assault if these have not already been given or are unavailable. This helps in determining risk, tailoring testing and treatment and providing appropriate support. Specific details concerning the assault and the perpetrator will help to identify the need for STI screening, pregnancy prevention, psychosocial support or a forensic medical examination. The patient should also be asked whether they have any injuries.


A sexual history should be taken, including current contraceptive use and date of last menstrual period, as well as last consensual intercourse. A full medical history is important and should include previous illnesses, including mental health. A full medication history should include use of asthma inhalers and alternative therapies, which are relevant if post-exposure prophylaxis for HIV is given. It is also important to determine to whom the victim has disclosed the assault. Information should not normally be passed on without their consent.


Examination and tests


It is good practice to offer a full examination, but this may be a reminder of the assault. Self-taken or noninvasive tests for STIs may be offered as an alternative. Both men and women should be offered proctoscopy if there is a history of anal penetration.


Early evidence kits (see Chapters 12 and 18) are used by police to allow early collection of DNA evidence and toxicology. These kits generally include a urine sample pot, mouth swab and mouth rinse. They can be offered in a non-SARC setting if the patient wishes to report at a later date or to allow sharing of information on an anonymous basis. A chain of evidence form should ideally be used for all specimens taken, which will involve several individuals (Figure 19.1). All police and SARC services have procedures in place for chain of evidence but it is also possible to put them in place in sexual health services, for both forensic and microbiological samples.

c19f001

Figure 19.1 Who may be involved in a chain of evidence.


Prevention of pregnancy


There is a 5% risk of pregnancy in women of reproductive age following rape. Prevention of pregnancy must be a primary consideration when a woman presents following a sexual assault. Pregnancy testing should be considered prior to the offer of emergency contraception. Note that a negative pregnancy test does not reliably exclude pregnancy if there has been unprotected sexual intercourse in the preceding 3 weeks.


A copper intrauterine device (CuIUD) is the most effective form of emergency contraception (see Box 19.1 and Figure 19.2). For those women who decline a CuIUD, hormonal methods should be offered (Box 19.2).

c19f002

Figure 19.2 Copper intrauterine device (CuIUD). Source: Rogstad (2011). Reproduced by permission of John Wiley & Sons, Ltd.







Box 19.1 Emergency contraception: copper intrauterine device (CuIUD)


This option should be discussed with all women who present within the ‘window of opportunity’.



  • If the assault was less than 5 days (120 hours) ago and there have been no other episodes of unprotected sexual intercourse since the last menstrual period, a CuIUD can be fitted at any point in the menstrual cycle.
  • If the assault was more than 5 days ago, or if there have been two or more episodes of unprotected sexual intercourse since the last menstrual period, a CuIUD can be fitted up to 5 days after the earliest expected date of ovulation (i.e. day 19 of a 28 day cycle, which is 5 days after presumed ovulation).

A CuIUD can be fitted in a nulliparous women.


The CuIUD can be removed any time after pregnancy has been excluded (e.g. at onset of menstrual period).


If a client presents to a service where CuIUDs are not fitted, a timely referral pathway should be put in place and consideration should be given to providing oral emergency contraception in the meantime.






 







Box 19.2 Emergency contraception: hormonal methods


Levonorgestrel



  • Levonelle 1500® (levonorgestrel) is licensed for use up to 72 hours after sexual exposure but may be effective for up to 120 hours (off licence).
  • It is thought to work primarily by inhibiting ovulation.
  • There is no evidence that it is harmful in pregnancy and it can therefore be used if there have been other episodes of unprotected sexual intercourse earlier on in the menstrual cycle.
  • It can be used more than once in a cycle.

Ulipristal acetate



  • Ellaone® (Ulipristal acetate) was licensed in 2009 for emergency contraception.
  • It is a progesterone receptor modulator and its primary mode of action is inhibition or delay of ovulation.
  • Evidence suggests it can prevent ovulation after the luteinising hormone (LH) surge has started.
  • It is licensed for use up to 120 hours after unprotected sexual intercourse.
  • Its safety in pregnancy has not been established and therefore it cannot be used if there have been other episodes of unprotected sexual intercourse in the same cycle that were outside the 120 hour treatment window.
  • It should not be used more than once in a cycle.




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Dec 9, 2016 | Posted by in GENERAL & FAMILY MEDICINE | Comments Off on Rape and Sexual Assault: Medical and Psychosocial Care

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