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Crenshaw was an associate editor of The Journal of Bone and Joint Surgery from 1963 through 1972 kamagra gold 100 mg lowest price erectile dysfunction doctor in houston, as well as of the AAOS Bulletin and the Journal of Continuing Education in Orthopedics generic 100 mg kamagra gold visa erectile dysfunction 43 years old. He contributed numerous articles to the orthope- dic literature, many of them now classics. Crenshaw gave fully of his time and talents to orthopedic specialty societies. Among his duties, he served as librarian–historian of the 82 Who’s Who in Orthopedics On the basis of this work, he can be considered to be one of the originators of the technique of compression plating. Robert DANIS 1880–1962 Robert Danis was born in a small town in the Belgian province of Tournai. After classical studies at Anvers and Louvain, he studied medicine at the William DARRACH University of Brussels, from which he received his degree in 1904. He became associated with 1876–1948 Antoine Depage and moved up through the system, becoming professor of operative surgery Dr. William Darrach was born in Germantown, and gynecology in 1919 and succeeding his chief Pennsylvania, the son of William and Edith as professor of clinical surgery in 1925. School and was graduated from Yale University He made significant contributions to the field in 1897. Following his graduation from the of local and regional anesthesia, especially sacral College of Physicians and Surgeons in 1901, he blocks. His interest in vascular surgery led to the served an internship at the Presbyterian Hospital. Beginning appointed Associate Attending Surgeon at the in 1925, his work gradually focused on trauma- Presbyterian Hospital, and continued to serve tology and especially on the operative treatment there in varying capacities until his death. Darrach went overseas Danis pursued his interest in the laboratory as with Base Hospital 2, serving as Chief of Surgi- well as the clinic. He studied the biology of frac- cal Service, later as Consulting Surgeon for the ture healing and demonstrated that primary union First Army, and, still later, for the Third Army. He (soudure autogene) of fractures could occur was discharged, after serving with distinction, without callus formation when the fracture frag- with the rank of Colonel. His final conditions, he designed a complete armamen- service to the government was in the post of tarium of compression plates (coapteurs) and Director of Education and Research at the screws. The results of his clinical and laboratory Kingsbridge Veterans Administration Hospital. After his retirement as Dean, fol- lowing the completion of the great Columbia– Presbyterian Medical Center, which towers over Washington Heights, his colleagues attested in formal resolution that he, above all others, had been responsible for the successful alliance between the Presbyterian Hospital and other hos- pitals and the School of Medicine, resulting in the Medical Center. Darrach then returned from administration to his real abiding interest—surgery—and estab- lished the fracture service. To the mending of broken bones, he brought his keen analytical mind, his mature judgment, and rare skill. Many of them caught some of the fire of his inspiration, and, through those who did, his influence will continue. Darrach was distinguished in every stage of Robert Merle D’AUBIGNÉ his career, and his pre-eminence was recognized by countless honors. He served as President of the 1900–1989 Association of the American Medical Colleges, of the American Surgical Association, and of the Society of Clinical Surgery. He was a Regent of Robert Merle d’Aubigné was born in 1900 at the American College of Surgeons. He was an Neuilly, just upstream from Paris, into a family honorary member of the American Academy of with a long Huguenot tradition; his father was the Orthopedic Surgeons. He received many honorary degrees practice at skiing and boating, while many family from universities at home and abroad. He wrote contacts across the Channel led to a mastery of numerous articles, and always spoke clearly, spoken English. Some remarkable wartime tutors intelligently, and with a delightful sense of humor. Robert just He was a devoted, radiant, and generous person, missed active service in 1918 but soon turned to loved by countless friends, among whom were his adventurous mountaineering, which eventually many patients and associates. William Darrach died on May 21, 1948, experience of a fractured femur treated by trac- after a brief illness.
However discount kamagra gold 100 mg overnight delivery erectile dysfunction pills dischem, the resurfacing concept was kept alive in a few centers because of the results of hemiresurfacing fixed with acrylic buy kamagra gold 100mg mastercard erectile dysfunction houston, in which aseptic loosening of the device has not been observed in 25 years of experience in the senior author’s series [16,17]. This observation originated the idea that a low-wear metal-on-metal (MOM) bearing material was the likely key to the success of total resurfacing. The need to accommodate a femoral head of a large diameter led to the choice of cobalt-chromium-molybdenum, which combined low wear and strength with a reduced thickness, for the acetabular component, so that the procedure became bone conserving for the acetabulum as well as for the femoral head and neck. Currently, only metallic devices can be manufactured with thin-walled one-piece cementless sockets and excellent wear properties, especially for large femoral heads [18,19], making MOM the bearing of choice for resurfacing. Introduction Hip resurfacing with MOM bearings is the fastest growing procedure in the world and is playing a major role in the treatment of osteoarthritis (OA), especially for young patients [20–24]. However, most of the results published to date relate to resurfacing in a population essentially composed of patients treated for idiopathic or “primary” OA. In Asia, primary OA is extremely rare [25,26], and hip arthroplasty essentially applies to degenerative changes secondary to developmental dysplasia of the hip (DDH), osteonecrosis (ON), posttrauma (PT), slipped capital femoral epiphysis (SCFE), Legg–Calve–Perthes (LCP) disease, and inflammatory diseases (rheumatoid arthritis, etc. The purpose of the present study was to review the indications and assess the clini- cal results of a current metal-on-metal hip resurfacing design in a population of patients treated for nonprimary OA. Materials and Methods From a series of more than 950 hips treated with metal-on-metal hybrid resurfacing (Conserve Plus; Wright Medical Technology, Arlington, TN, USA), 208 patients (238 hips) underwent the procedure between November 1996 and June 2005 for a diagnosis other than primary OA. The degeneration of the articular cartilage was secondary to DDH in 82 hips (34. The surgical technique employed in this series has been described in detail in previous publica- tions [28–30], and the effects of the modifications made from the initial surgical technique have been evaluated. The patients were evaluated preoperatively, immediately after surgery, at 3 to 4 months, at 1 year, and then at yearly intervals. Radiographic data consisting of a low anteroposterior pelvis view, a modified table down-lateral, and a Johnson lateral view were collected at each visit. The radiographic analysis was similar to that reported in our previous publications. The clinical outcome of the surgeries was evaluated pre- and postoperatively using the University of California at Los Angeles (UCLA) hip scoring system and the Short-Form 12 questionnaire (SF-12). The Harris hip score was calculated postoperatively as an overall assessment of success comparable to other studies. The Surface Arthroplasty Risk Index (SARI) was calculated for each hip to evaluate the suitability of the group to be treated with a resurfacing procedure. A statistical analysis was performed using Kaplan–Maier survivorship curves and log-rank tests for comparison of survivorship data. Paired Student’s t tests were used for comparison of preoperative to postoperative clinical scores, and two-sample equal-variance t tests were used for comparisons of clinical scores with other groups of patients. Only one of these was associ- ated with clinical symptoms of loosening in a patient who was lost to follow-up. A narrowing of the femoral neck of 10% or more at the junction with the femoral component was observed in ten hips, but no definite association could be made with femoral component failure. Clinical scores of the study group (pre- and postoperative) and in comparison with patients operated for primary osteoarthritis (OA) Study group, P Study group, P Primary OA, preoperative postoperative postoperative UCLA hip scores Pain 3. Seven-year-postoperative radiograph of a 40 year-old woman who underwent metal- on-metal resurfacing for developmental dys- plasia of the hip (DDH). The region of interest highlights a radiolucency, which has been visible around the metaphyseal stem for more than 6 years, indicating imperfect initial fixa- tion with first-generation cementing technique (cyst size was 2cm). The patient has no clinical symptoms, indicating a degree of stability commensurate at this time with her activity level of 7 and her weight of 67kg Complications There were a total of 14 complications (overall rate, 5. One hematogenous sepsis happened 10 days after surgery and was treated with soft tissue debridement and antibiotics. One of 5 patients operated through a lateral transtrochanteric approach developed a trochanteric bursitis, which resolved with the removal of wires used in the reattachment of the greater trochanter. Metal-on-Metal Resurfacing 199 A component size mismatch that occurred early in the series before prepackaging of the components was resolved with replacement of the acetabular shell with a 2-mm-thicker custom component of the appropriate inner diameter. One hip required a reexploration to remove residual bone cement trapped in the joint after hip reduc- tion. Finally, one hip needed acetabular reconstruction after the acetabular shell protruded through the acetabular wall. The patient was heavy, had poor bone quality, and had undergone simultaneous bilateral resurfacing (the event occurred on the first hip operated). In addition, the wall had presumably been further weakened by overreaming.
