As long as we follow the principle of recommendation of diagnosis and treatment guidelines, clinical decision-making will not be complex and diverse.
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Before the 20th century, clinical decision-making was very difficult. With the development of natural science and new technology as well as the accumulation of knowledge, the clinical decision-making process has become simple.
The needle point of heart-shaped suture at the cutting edge cannot be located in the dermis, and the tension reduction point should be a proper distance from the cutting edge to ensure blood supply and negative tension.
Silk suture does not increase the risk of incision infection.
After continuous intradermal suture, the epidermis is well matched, the tension is free, and the suture does not need to be removed after operation, so the scar formation is small.