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Colonoscopy

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Colonoscopy is a common medical procedure in Hong Kong, using a flexible endoscope to diagnose lesions and diseases of the large bowel. By passing...you should follow your doctor’s advice and undergo a colonoscopy. Hong Kong government launched Colorectal Cancer Screening Programme and advise people aged 50 years old should undergo bowel checkup.

Colonoscopy can be more accurate than X-ray in identifying the cause of the disease, allowing the doctor to observe the condition of the lining of the colon on the screen instantly and to use different instruments to stop bleeding, remove polyps, etc., and to extract suspicious tissues for further biopsy. Please contact us for the detailed pricing of colonoscopy.

Colonoscopy Check-up

Colonoscopy is a simple procedure that can be completed in about 2 hours at day medical centre. Prior to colonoscopy, an anaesthetic procedure will be performed to minimise discomfort during the examination. Colonoscopy using a flexible tube of approximately 1.3 cm diameter is passed through the anus into the colon, and the lining of the colon will be examined. The entire colonoscopy generally takes about 15 to 45 minutes and the patient will be then taken to the recovery room where he/she will be checked with the vital-index device for further monitoring by a team of healthcare professionals.

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Is it dangerous to perform colonoscopy?

Although colonoscopy is an invasive procedure, it is a safe check-up item. Patients with chronic illnesses such as diabetes, hypertension, valvular heart disease, or those taking medication, however, should inform their doctor before the examination so that they are aware of their health condition. Patients should also contact the centre as soon as possible if they feel unwell after the examination or if they have any questions about the test results.

Colonoscopy Charges

To cater for the needs of each patient, HKMED offers a number of colonoscopy packages. The centre has joined the Colorectal Cancer Screening Programme organised by the Department of Health to provide endoscopic screening to eligible citizens. For details of the terms and conditions of health care vouchers, medical cards and insurance plans, patients are advised to check with the relevant organisations.

Types of Anaesthesia for Colonoscopy

To reduce patient anxiety and discomfort during the entire colonoscopy, two types of anaesthesia are available at HKMED:

  • Intravenous sedation: the patient is injected with intravenous sedatives to relax for the colonoscopy.
  • Deep anaesthesia: through deep anaesthesia, patients can undergo colonoscopy without discomfort.

Preparing for Colonoscopy

Patients must take the low-fibre meal and bowel-cleansing medication 3 days prior to the colonoscopy so that the doctor can examine more accurately the lesions in the lining of the colon. The patients should inform the doctor of any medication currently taking, or the suspect or confirmed pregnancy before the examination so that the doctor is aware of the patient’s condition. After the colonoscopy, the patient will be taken to the recovery room for a rest. Due to the use of sedatives, patients are advised to avoid operating heavy machinery, signing legal documents or driving for 24 hours after the examination.

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Bowel cleansing should be carried out as instructed by the healthcare staff before the examination to prevent faecal matters from obstructing the observation of the colon.

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No food or drink six hours before the procedure

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Please inform the doctor before the inspection if the patient is or might be pregnant.

大腸鏡檢查注意事項

Please take off any metal accessories, dentures & contact lenses and change into a surgical gown.

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Please inform the doctor if you are taking any drugs or medications, particularly for diabetes or that could affect blood clotting

Who should have colonoscopy?

People aged 50 years who do not have any symptoms should have their first colonoscopy or be treated as recommended by their doctor if symptoms are found. If no abnormalities are found after colonoscopy, regular faecal occult blood tests or colonoscopy should be performed as recommended by your doctor.

People of all ages are at risk of colorectal cancer and should seek medical advice and examination as soon as possible if they have:

  • Bloody stools
  • Anaemia
  • Change in bowel habit (constipation and diarrhoea happening alternately)
  • Chronic diarrhoea
  • Unexplained abdominal pain
  • Polyps, abnormal cells

Government-subsidised Colorectal Cancer Screening Programme

The Department of Health has launched the Colorectal Cancer Screening Programme from 2020 onwards, further covering asymptomatic Hong Kong residents aged between 50 and 75. HKMED has joined the Programme, in which eligible participants will first take a faecal occult blood test that can detect small amounts of blood in stool, even if they are invisible to the naked eye. The government will subsidise eligible persons to undergo colonoscopy to help prevent colorectal cancer and remove colorectal polyps to reduce the risk of colorectal cancer.

Colonoscopy Q&A

1. Do I need to be admitted to hospital for colonoscopy?

Colonoscopy is a simple check-up that can be completed in about half day after the doctor has assessed the patient’s physical condition and considered the procedure could be conducted at a day medical centre.

2. Do I need a referral letter for colonoscopy?

No referral letter is required for specialist services at HKMED, but if you need to apply for an insurance claim, you may need to check with your insurance company for the details of the claim.

3. Can I have a colonoscopy on the same day?

As colonoscopy requires a low-fibre meal of the person 3 days prior to the examination, the bowel needs to be completely cleansed before the such procedure to avoid faecal matters obstructing the observation of the lining of the colon. Therefore, same-day appointment for colonoscopy may not be available. The usual procedure is to arrange an consultation with the doctor to understand the patient’s condition before arranging the appropriate examination and treatment.

4. Which one is more suitable for me, the "faecal occult blood test" or "colonoscopy"?

A faecal occult blood test is non-invasive and convenient, but it cannot detect polyps and tumors which are not bleeding. The best method to clearly inspect the entire large bowel is through colonoscopy. If polyps are discovered, they can be removed immediately to prevent them from becoming malignant. Before you go for screening, discuss your situation and symptoms with your family doctor to choose the most appropriate method.

5. How long does it take to recover after colonoscopy?

Anaesthesia will be used during colonoscopy to relax during the examination, it takes around an hour to recover after the procedure. In order to speed up the recovery, please rest more and drink plenty of water.

*Please inquire at the Centre for details.

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