Common cause of pneumoperitoneum needle

1) patient factor: the patient's weight and the thickness of subcutaneous fat are closely related to the occurrence of subcutaneous emphysema. It is mainly due to the lack of subcutaneous adipose tissue in extremely emaciated patients. The blocking effect of adipose tissue on gas is weak, and gas is easy to form subcutaneous emphysema by rapid diffusion under the skin!

(2) Puncture technique: the pneumoperitoneum needle is located in the extraperitoneal space: when the pneumoperitoneum is established, the pneumoperitoneum needle is blind pierced. The patient is overweight and the abdominal wall is thick, and the needle is injected before entering the abdominal cavity, which directly forms subcutaneous emphysema.

(3) Due to complex surgery and long operation time, frequent instrument replacement and removal of puncture instrument increase the occurrence of subcutaneous emphysema

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