The phrase "a difficult procedure and" is correct and usable in written English.
It can be used when discussing a challenging process or task, often leading into further explanation or additional related points.
Example: "The surgery involves a difficult procedure and requires extensive recovery time."
Alternatives: "a challenging process and" or "a complex operation and".
"But it's a difficult procedure and there aren't enough lungs to go around for transplants," says Laura Niklason, professor of anesthesiology and biomedicine at Yale University and the corresponding author on the study.
He says overtaking is a difficult procedure and should remain so.
The adjustment of the electron microscope or photographic enlarger can be a difficult procedure and, if wrongly done, a source of errors.
RTSA remains a technically difficult procedure and, therefore, care must be taken in indications and surgical technique for a successful outcome.
Free vascularized fibula grafting is a technically difficult procedure and should not be performed by those who have not had experience in microvascular techniques and with this procedure in particular.
It was a difficult procedure involving demolishing housing, relocating the residents and building new housing".
This may be quite a difficult procedure, as the tissues have become inflamed and any placement of stitches leads to further laceration of the soft tissue.
There was one comment on the importance of the first assistant's experience by directly affecting safety and by adding experience to a difficult procedure.
The present technique makes a difficult procedure much easier by avoiding wide dissection, radial nerve isolation, and periosteum stripping.
This result can be expected, since intraoperative transfusion will impair immune function 31 and is a surrogate marker for a difficult procedure, perhaps an insufficient anastomotic perfusion caused by anaemia or hypotension, or a suboptimal surgical technique.
Besides being a difficult procedure, resection also carried a high risk of profuse bleeding, infection and postoperative necrosis of the flesh.
