I think the important question is, if there is an Essex-Lopresti kind of injury behind it or not. If so, one must leave the radial head in or replace. If not, one may excise the radial head.
In this complex injury I would sacrifice the radial head in order to get a better ROM postoperatively. In a 64-year- patient the resection is justified.
I would prefer mantain readial head. Is a primary stabilizer of the elbow, you can fix initially outside the elbow and then insert it into the elbow and fix it to the diaphisis with minimal risk of necrosis and it is a prophilactic treatmnt in the case of a damage of the interosseous membrane. I have not had problems with ROM movment of the elbow because the radial head normally.
This is a communited fracture.My experience with the postoperative ROM is different from the one shared above. Usually, in similar cases resection of the radial head was necessary at a second stage.
Keep the radial head as it is stabilizing the joint and assisting to the ligamentous healing. Even if the head is fractured at the neck junction and occasionally in more than two pieces, something that the majority will replace, there are surgeons who repair and use the head as spacer and in case of post-operative limitations, (in the long run and after the union of the ulnar fracture) they go back to remove it as elective procedure. These are accepting even fibrous union. Such research is presented in German literature.
I agree with the two last answers. Mantaining the radial head we recover stability of the elbow and the forearm. Otherwise if you don´t have enough experience, replace the radial head is not a simple surgery and mid term problems are common, having to remove it. I try to mantain the radial head and if there are problems and I am sure that there are no problems in the interosseous membrane of the forearm I simply remove it, as I told in my last answer.
I will reduce the Dislocation and fix the ulna fr. and replace the radial head. Replacing the radial head is not a big undertaking , takes less time than fixing with a miniplate
Retaining the radial head if there is no soft tissue attachment, will lead to avascular necrosis in few months time causing elbow pain mainly in rotation. Titanium radial head implant allows early mobilisation and I have few cases with out any problem
I agree about avascular necrosis. We must not forget that initial treatment till some years ago it was the silastic implant which we were removing some months later. The only thing we wanted was scar tissue and healing of the soft tissues in such position which was not permitting radial proximal migration. I agree that the new implants are much better than the one mentioned. Also the use of the original radial head as spacer is something that can be used in the absence of implants and there is literature in Germany which supporting the use in such conditions.