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A patient with moderate to severe sleep apnea suffers from severe drowsiness during the day and difficulty staying awake at work due to narrowing of the airway due to retraction of the mandible. After orthognathic surgery to move the mandibular forward, not only did the AHI index drop from moderate to severe to 3.7, the respiratory tract was also significantly improved, the quality of sleep was improved, and the overall mental state was completely renewed. The surgery also improved the appearance of the retracted chin and allowed the patient to regain a healthy quality of life. It was a successful sleep apnea treatment case.

A very sleepy patient came to see a doctor with a sleep report. The report showed that he had severe sleep apnea (AHI = 31.4 /hr). Due to the long-term lack of rapid eye movement (REM) sleep, he also developed clinical symptoms such as bad mood, memory deterioration and cognitive dysfunction. Over the years, he has tried positive pressure respirators and anti-snoring mouthpieces, but in recent years he has found it increasingly difficult to adapt to them. He would remove these breathing aids himself during sleep, which naturally had no therapeutic effect, so he hoped to seek more radical surgical treatment. We performed Maxillo-Mandibular Advancement (MMA) to widen his airway. From the CT scan, we can see the location of the obstruction (the suspensory part and the tongue root), which was well opened and widened. The position of the hyoid bone was obviously lifted upward and forward. The postoperative sleep report showed that the sleep apnea index (AHI) dropped from 31.4/hr to 7.5/hr, the minimum blood oxygen concentration increased from 80% to 89%, and the sleep structure was closer to that of healthy individuals. In principle, the treatment goal should be to reduce light sleep N2 and increase deep sleep N3 and the proportion of rapid eye movement (REM). Light sleep N2 dropped from 72.4% to 55.7% (N2 of a healthy individual should account for 55%), deep sleep N3 increased from 9.4% to 12.1% (N3 of a healthy individual should account for 15%), and most importantly, rapid eye movement (REM) increased from 9.4% to 24.8% (REM of a healthy individual should account for 25%). Because of the increase in deep sleep, the patient felt more well-rested and recharged after the operation, his mood was more positive, and he had more energy in life and work.

Discuss the treatment case of a patient with severe sleep apnea. The patient's AHI index is as high as 84.5, and he has a typical face with a receding mandible. After airway lifting treatment through orthognathic surgery, the AHI index was significantly reduced to 5.6, and the minimum blood oxygen concentration was increased from 50% to 90%. The surgery not only effectively improves the airway space, but also makes the patient's jaw proportions more harmonious. The case details the surgical plan, postoperative changes and recovery progress, providing treatment reference for patients with similar problems.

A young man was troubled by severe obstructive sleep apnea (OSA), with an AHI index as high as 55.8, and symptoms such as loud snoring, daytime sleepiness, headaches, and difficulty concentrating. Because he was unwilling to use a positive-pressure respirator, he underwent mandibular advancement surgery (MMA) combined with chin advancement surgery to successfully expand the airway space. The AHI dropped to 3.9 6 months after the operation, and his symptoms were significantly improved. This case demonstrates the therapeutic effect of MMA surgery on patients with severe OSA, providing patients with a treatment option that does not require respirators.

Discuss the case of sleep apnea treatment in a female patient with long chin. Unlike other patients with mandibular retrusion, her airway obstruction point was located in the retropalatal space and nasal cavity. It was diagnosed that it was caused by maxillary retrusion and stenosis. Through clockwise rotation of both jaws, orthognathic surgery moves the upper jaw forward and simultaneously reduces the thickness of the inferior turbinate, successfully improving respiratory problems. This case shows that sleep apnea has multiple causes and requires accurate diagnosis and customized treatment plans.

A patient with moderate to severe sleep apnea had a minimum blood oxygen concentration of only 44% during sleep. Not only did he suffer from severe snoring, but he also experienced dangerous breathing difficulties at night. Through the 3D customized orthognathic surgery performed by Dr. Jiang Houren of Fenghua United Clinic, the maxillary bone was moved forward by 6mm and the mandibular bone was moved forward by 12mm. This not only improved the problem of respiratory tract stenosis, but also solved the problem of facial distortion. After the operation, the patient's sleep quality has been significantly improved, snoring is no longer a problem, and the airway expansion has brought unprecedented smoothness.