Osteoarthritis of the knee often causes a loss of motion. This is often because bone spurs form along the front of the joint and block movement. This causes pain in the front of the knee and an inability to fully straighten the knee. If the loss of motion is less than 10 degrees, a simple surgery to remove the bone spurs may be all that's needed. This operation is called arthroscopic debridement . The doctor inserts a slender device, called an arthroscope, into the joint. It has a tiny TV camera on the end that displays a view of the joint on a TV screen. During the debridement procedure, the doctor scrapes away bone spurs and smooths the joint surface. The goal is to increase motion, decrease pain, and increase function. It may also prevent the need for more extensive surgery later. Debridement should be done sooner rather than later. Patients who wait more than five years and who have lost more than 10 degrees of knee extension are poor candidates for this operation. Often, the result i...
i recently had a question from a HealthCentral subscriber who was concerned that though he was getting treatment for sleep apnea, he was tested and found to have certain prolonged periods where the amount of oxygen in his blood was tested as "low." He was also feeling "tired." He questioned whether the therapy was "sufficient" and "on target."
After noting the machine he was using at night - he supplied the brand name and type - I told him he was using the optimal available machine. I also told him that his tiredness was tied more to the quality of his sleep rather than the oxygen levels. I did point out that what would be important to know was:
What his blood pressure readings and his cardiac status (whether or not there were arrythmias ) were during the low oxygen level periods.
The reason I highlighted this was because these 2 parameters can indeed be affected by poor oxygenation of the blood - or not - but if they are, the ramifications ...
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