The complications of total knee replacement surgeries are encountered worldwide and constitute a very small percentage of cases. Nevertheless, these complications are seen in the best of the setups, worldwide. These can be divided into two things, one is general complications. The second one is local complications. General complications are pulmonary embolism, where a blood clot from the periphery goes and blocks your heart and cause issues. Fat embolism, wherein fat globules from your bone marrow can go into the systemic circulation and cause problems to your lungs and brain. The third thing is Acute Respiratory Distress Syndrome, which is the consequence of the above two complications. The local complications encountered are blood vessel injury, nerve injury, instability, infection, stiffness, maltracking, fractures. So a patient going into surgery should be aware of these complications, thought they are not very common, one should be aware that these complications can occur and prolong the duration of stay in the hospital. We, as a surgeon are regularly in touch with the best practices worldwide and try to reduce the incidence of complications by operating in the best setup, employing the methods which are done worldwide. Nevertheless these can happen and one should be aware of these things.

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