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Sleep Apnea Sufferers at Higher Risk of Post-op Complications

Researchers at ARIA MD Sleep Centre Edmonton, Canada’s best sleep clinic have conducted a study into use of the STOP-BANG questionnaire for detecting sleep apnea in patients about to undergo surgery.<br>

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Sleep Apnea Sufferers at Higher Risk of Post-op Complications

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  1. Sleep Apnea Sufferers at Higher Risk of Post-op Complications Researchers at ARIA MD Sleep Centre Edmonton, Canada’s best sleep clinic have conducted a study into use of the STOP-BANG questionnaire for detecting sleep apnea in patients about to undergo surgery. The study, titled, “Obstructive sleep apneasyndrome and postoperative complications: clinical use of the STOP-BANG questionnaire”, assessed the usefulness of the questionnaire to anesthetists in determining whether high risk scores on preoperative STOP-BANG (which is an acronym for: Snoring, Tiredness during daytime, Observed apnea, high blood Pressure, Body mass index, Age, Neck circumference, Gender) questionnaires during preoperative evaluation correlated with a higher rate of complications of obstructive sleep apnea syndrome (OSAS). The study of 135 patients (of whom 56 had high risk OSAS scores) concluded that, “The STOP- BANG questionnaire is useful for preoperative identification of patients at higher than normal risk for surgical complications, probably because it identifies patients with occult OSAS.” They found that high risk OSAS patients had a 19.6% chance of complications, compared with only 1.3% of the low risk group.

  2. In my view this is big issue for both sleep apnea sufferers and anesthetists. If the anesthetist is aware that a patient about to go in for elective surgery (such as a hip op) has a high chance of OSA then they can be prepared for problems, such as difficulty inserting a breathing tube due to a blocked airway. I would advise all people going for elective surgery to take this simple questionnaire themselves, and then tell the anesthetist if they get a high risk score of 3 or more. Also, the Epworth Test can give a good indication of OSA. STOP-BANG questionnaire 1. Snoring- Do you snore loudly (louder than talking or loud enough to be heard through closed doors)? Yes No 2. Tired- Do you often feel tired, fatigued or sleepy during daytime? Yes No 3. Observed- Has anyone observe you stopping breathing during your sleep? Yes No 4. Blood pressure- Do you have or are you being treated for high blood pressure? Yes No 5. BMI – BMI more than 35kg/m2? Yes No 6. Age – age over 50 years old? Yes No 7. Neck cimrcumferce- neck circumference greater than 40? Yes No High risk of OSA –’ yes’ to three or more items Low risk of OSA –‘yes’ to less than three items

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