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Periprosthetic infections are rare, but there is evidence to suggest that their frequency may be underestimated. No single laboratory test has perfect sensitivity and specificity for diagnosing infection. Most tests have better specificity when they are performed for patients in whom infection is suspected clinically rather than when they are used as(More)
It is well known that the success of total knee arthroplasty is collectively dependent on the proper recreation of the joint line, appropriate soft tissue balancing, and respectful management of the extensor mechanism. One of the most decisive factors within the surgeon's control is the reestablishment of proper knee kinematics through both medial-lateral(More)
Distally fixed modular implants have seen a recent increase in use, to manage proximal femoral bone loss often encountered during revision total hip arthroplasty (THA). Forty-three distally fixed modular stems implanted at our institution between 1999 and 2006 were clinically and radiographically reviewed. These patients had either a minimum 2-year(More)
BACKGROUND Whether decreasing the local anesthetic concentration during a continuous femoral nerve block results in less quadriceps weakness remains unknown. METHODS Preoperatively, bilateral femoral perineural catheters were inserted in subjects undergoing bilateral knee arthroplasty (n = 36) at a single clinical center. Postoperatively, right-sided(More)
We have developed a combined real-time PCR and pyrosequencing assay that successfully differentiated the vast majority of gram-positive and gram-negative bacteria when bacterial isolates were tested. The purpose of this study was to evaluate this assay on clinical specimens obtained from orthopedic surgeries, and to prospectively compare the results of(More)
In the study reported here, we retrospectively evaluated short-term results of knee arthrodesis using the Wichita fusion nail (WFN) in patients with active infection. Clinical examinations, x-rays, time to union, knee pain after fusion, and ambulatory status were compared in 7 patients who received the WFN. Mean fusion rate was 86%, mean time to fusion was(More)
Patients with hip fracture benefit from a multidisciplinary team approach for preoperative and postoperative care. Team members, consisting of the orthopedic surgeon, internal medicine consultant, and anesthesiologist, should each have a role in determining a patient's readiness for surgery and communicate with one another about appropriate management. How(More)
OBJECTIVE To determine whether longer duration of anesthesia predisposes patients undergoing orthopedic surgery to venous thromboembolism (VTE). PATIENTS AND METHODS We conducted a secondary analysis of a retrospective case-control study that examined risk factors for postoperative VTE in postmenopausal women. We matched women aged 50 years and older with(More)
Arthroscopic surgery of the hip is an evolving procedure that can facilitate the diagnosis and treatment of synovial-based disease. Radiographic studies have not reproducibly identified many of the synovial conditions that can affect the hip, and arthroscopy has provided a means to improved diagnostic accuracy and the ability to treat certain conditions.(More)
To assess the specificity and sensitivity of MR arthrography of the hip in comparison with arthroscopy for the evaluation of intra-articular loose bodies. Over a 3-year period, 81 consecutive patients underwent a total of 82 hip arthroscopies by a single orthopedic surgeon for intractable hip pain. Of the 82 arthroscopies, 70 had pre-operative MR(More)