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[Critical considerations on the implant of penile prosthesis: indications, choice of prosthesis, surgical technique, and follow-up].

The surgical techniques for penile prothesis implantation are well known and standardized. Multicomponent hydraulic prostheses offer, without any doubt, the best guarantees in terms of function and aesthetic results. Nevertheless their insertion is sometime troublesome and a superficial knowledge of the technical problems may lead to complete and disappointing failures. In the present work the Authors report their personal experience with various types of penile prostheses and describe in details, the different maneuvers which are needed for their correct implantation. Some variation of the original technique will be also described. The results obtained will also be described.

Adult↗

Loosening of the socket in a 35-mm snap-fit prosthesis and the Charnley hip prosthesis. A roentgenographic evaluation of 321 cases operated upon because of osteoarthritis.

Migration and lucencies around the acetabular component were evaluated in serial roentgenograms of patients with osteoarthritis treated with total hip arthroplasty (THA); 207 were Charnley and 114 were Brunswik THAs. In this consecutive series of THAs followed for nine to ten years, the loosening rate (corrected for deaths and revisions) was significantly higher (35%-45%) in the Brunswik snap-fit sockets (bearing surface 35 mm in diameter) than in the Charnley sockets (5%-12%). Presumably, mechanical factors, i.e., friction torque and impingement, are responsible for the difference in durability between the two designs.

Aged↗