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 A prickly solution to lessen pain (Singapore Health Issue, July-August 2017, Pg 5)

01 Jul 2017

Singapore Health

Acupuncture trial in IVF procedure shows promise of some relief – and a possible bonus – for women undergoing egg retrieval.

 

To ease the pain and discomfort felt during an IVF (in vitro fertilisation) egg retrieval procedure at Singapore General Hospital (SGH ), sedation is normally given.

But sedative drugs, while generally safe, aren’t for everyone. They can cause allergic reactions, and even complications. Some women also suffer nausea, giddiness, extreme sleepiness and other effects from the sedative drugs after the procedure.

Seeking a viable alternative for women, especially those who might have problems with sedative drugs, an SGH team undertook a study to look at whether acupuncture might do the work as well. Acupuncture, a key part of traditional Chinese medicine (TCM), doesn’t involve drugs – just needles which are inserted at various parts of the body to stimulate the acupoints and supposedly alleviate pain.

“The idea with this study was to prove that acupuncture does work (as a form of painkiller), and to hopefully make it a service that can be offered to women seeking IVF (at CARE or the Centre for Assisted Reproduction),” said Associate Professor Yu Su Ling, Senior Consultant, Obstetrics and Gynaecology, and Director, CARE, SGH.

“I’m always worried about the effects of sedation on some patients,” she said, noting that the amount of sedative drugs may have to be increased markedly for overweight or obese women.

The study aimed to recruit 60 participants, half of whom were randomly chosen to be sedated and the other half given electro-acupuncture, to relieve pain. Like for every procedure, the women were tested for suitability for both sedation and acupuncture.

Early indications – 16 under conscious sedation and 12 who received electroacupuncture – suggested that “the pain relief effects from sedation and acupuncture were almost the same”, said Prof Yu. Nurses observed the patients during the procedure for signs of discomfort and asked them after to determine if they felt pain and its intensity.

While the effects were similar, “the acupuncture group asked for less top-up – additional help to relieve pain during the procedure”, said Prof Yu. Just 8 per cent of the women who received electroacupuncture asked for more pain relief during the procedure compared to 44 per cent from the conscious sedation group, she added.

One surprising – and notable – finding was that more women in the acupuncture group became pregnant (83 per cent) compared to the sedation group (40 per cent). But the study’s small sample size does not allow for acupuncture to be conclusively pinned down as the cause for the happy outcome.

According to Ms Cui Shu Li, Senior Principal Acupuncturist, SGH , the acupoints targeted for stimulation not only provide pain relief, but also “nourish kidney function,” which in TCM means enhancing fertility.

Because sedation caused after-effects, patients in that group needed at least an hour to recover under the nurses’ careful monitoring. The other group didn’t need monitoring because they had not been given any drugs and so, had no side effects. “We found that the acupuncture patients didn’t need post-operative recovery at all. They could leave the hospital immediately after. But patients under sedation might still be sleeping when their husbands returned for them later,” said Ms Yu Chun Yan, SGH Nurse Clinician, CARE.

“This post-procedure recovery really saves costs and time for the nurses. Beds can be freed up for other patients, and nurses can also attend to other patients,” she added.

While acupuncture is regularly used in surgical procedures in China, the technique is increasingly being used in many places in the West, notably Denmark, as a way of relieving pain during surgical procedures, said Prof Yu. It is even being used in place of anaesthesia for hysterectomy, or the removal of the womb, in some countries, sometimes performed by anaesthetists trained in the technique. Acupuncture is finding favour among patients who prefer to use fewer or no drugs if possible, even to help with nausea and vomiting during pregnancy.

The study and its preliminary results were submitted to the SingHealth Duke-NUS Scientific Congress 2016 under the Clinical Research (Senior) category.

How eggs are retrieved in IVF

An in vitro fertilisation (IVF) egg or oocyte retrieval is a minor procedure that takes 10 to 15 minutes to do.

The woman would have been given daily injections for about a fortnight before to stimulate her eggs to mature. Before the procedure, she is sedated or put under anaesthesia to help ease the discomfort or pain that she may feel. In Singapore, sedation (which is a mild form of anaesthesia) can be given by a doctor, but anaesthesia is only performed by a trained anaesthetist.

Then, an ultrasound probe with a fine needle is inserted into the vagina, going through the vagina wall and into the ovary, to suck out follicle fluid. The fluid is then examined under a microscope by an embryologist, who collects an average of 10 eggs for an IVF treatment cycle.

There is usually very little bleeding, which in any case is easily stopped by pressure.

Patients given sedation have to rest for at least an hour, and confirm that they have recovered fully before they are discharged.

Depending on the quality of the eggs, a fertilised embryo will be transferred back into the woman
two to five days later. No sedation is involved at this juncture as there is very little pain or discomfort.

Women between the ages of 25 and 45 can undergo IVF.

Read the original article here

By: Sol E Solomon

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Last Modified Date :05 Jul 2017