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Contract among DSM-5 and DSM-IV actions regarding compound use disorders in the trial regarding grownup material customers.
Background Well-fixed cementless stems sometimes need to be extracted in patients with complications including periprosthetic infection, stem-neck breakage, or trunnionosis. The purpose of this study was to report the clinical outcome in patients undergoing reimplantation surgery after removal of a well-fixed porous-coated cementless stem by the femoral longitudinal split (FLS) procedure. Methods We conducted a retrospective study and radiographic review of 16 patients who had undergone reimplantation following the FLS procedure to remove a well-fixed stem due to periprosthetic infection, stem-neck breakage, or trunnionosis. The study group consisted of 2 men and 14 women with an average age of 68.4 years. Mean follow-up was 44.6 months. The Kaplan-Meier method was used to evaluate the longevity of the stem. Results The average operation time was 272 ± 63 minutes and intraoperative bleeding was 420 ± 170 mL. Although postoperative dislocation occurred in 5 hips and subsidence of the stem was found in 2 hips after surgery, no progressive subsidence was observed and the clinical JOA and JHEQ scores were both improved after reimplantation surgery. Reimplantation surgery with Zweymüller-type stems revealed evidence of osseointegration of the stem without femoral fracture. Kaplan-Meier survival analysis of stem revision for any reason as the end point revealed 70.0% survival at 9 years. Conclusions In this study, we experienced some complications in patients with trunnionosis or periprosthetic infections. However, the FLS procedure is expected to confer successful clinical results without loosening of the reimplanted cementless stem, after safe extraction of well-fixed porous-coated cementless stems without fracture. © 2020 The Authors.Background Aspirin and mechanical compression devices are approved means of venous thromboembolism (VTE) prophylaxis after total joint arthroplasty. Prior studies of mechanical compression pumps after joint arthroplasty have been limited to the inpatient setting. The purpose of this study was to evaluate outpatient compliance and utilization factors in a rural population after elective hip or knee arthroplasty. selleck inhibitor Methods Utilization for portable pneumatic compression pumps after joint arthroplasty was prospectively recorded (hours). Compliance was defined as the recommended 20 hours per day. A questionnaire 2 weeks postoperatively assessed factors that may contribute to noncompliance. Patients were followed up for 90 days postoperatively to record VTE events. Results Data were collected for 115 joint arthroplasty patients (50 hips, 65 knees). Postdischarge day one had the highest average usage at 13.2 hours/day (66.0%, range 0%-100%), but this number fell to 4.8 hours/day (24.0, range 0%-100%) by day 14. Patient compliance (>20 hours use/day) was highest on postdischarge day one at 40 patients (34.7%). By postdischarge day 14, patient compliance fell to 17 patients (14.8%). Difficulty using the pumps (P = .027) and pump-associated heat (P = .009) were significantly associated with patient compliance. A deep vein thrombosis and nonfatal pulmonary embolism were recorded in 2 separate patients. Conclusions This study demonstrated poor outpatient compliance with portable pneumatic compression devices. Poor compliance was related to pump heat and difficulty with pump use. Even with poor compliance, a low incidence of VTE events was observed. © 2019 The Authors.Background Technology-assisted total hip arthroplasty (TA-THA) using either computer-assisted navigation or robotic assistance has become increasingly more popular. The purpose of this study was to examine the trends and patient factors associated with TA-THA. Methods This is a retrospective review utilizing the National Inpatient Sample, a large national database incorporating inpatient hospitalization information. International Classification of Diseases, 9th Revision codes were used to identify patients with hip osteoarthritis who underwent primary total hip arthroplasty (THA). Patients were then separated into those who underwent TA-THA or conventional THA. Outcomes of interest included annual TA-THA utilization; patient and hospital characteristics associated with TA-THA; and trends for length of stay (LOS), cost, and discharge to home. Results From 2005 to 2014, a total of 2,588,304 patients with hip osteoarthritis who underwent THA were identified in the National Inpatient Sample database. Of those, 39,700 (1.5%) underwent TA-THA. The number of TA-THA procedures increased from 178 (0.1% of all THA) in 2005 to 10,045 (3.0% of all THA) in 2014, which represented a 30-fold increase in incidence (P-trend less then .0001). TA-THA was associated with Hispanic race, higher patient income, and the Western region of the United States. During the study period, there was a trend toward decreased LOS and increased discharge to home for both TA-THA and conventional THA. TA-THA was associated with higher inpatient cost. Conclusion TA-THA is being increasingly used in the United States and is associated with specific patient factors. However, the value of TA-THA compared to conventional THA remains unclear and should be assessed with future research. Level of Evidence III (retrospective cohort study). © 2020 The Authors.Background The standard Exeter (Stryker) cemented stem is 150 mm long with standard offsets ranging from 37.5 mm to 56 mm. Exeter short stems of 125 mm are also available in the offsets of 37.5 mm, 44 mm, and 50 mm. In addition, smaller (125 mm or shorter) Exeter cemented stems with offsets of 35.5 mm or less are available. The aim of this study was to examine the New Zealand Joint Registry (NZJR) comparing medium-term survival rates and functional outcomes of standard-length stems with Exeter short stems of various offsets in patients undergoing primary total hip replacement. Methods Using the NZJR, we compared the results of 3 separate groups of patients with Exeter stems. Patients with standard 150 mm length Exeter stems (Standard) were compared with patients with Exeter 125 mm stems with regular 37.5 mm, 44 mm, and 50 mm offsets (Short 37+) and Exeter 125 mm stems with offsets of 35.5 mm and below (Short 37-). Demographic data, preoperative diagnosis, patient-reported outcome measures, and reasons for revision were compared between groups.
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