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Perioperative pain management after total joint replacement continues to be a concern for orthopaedic nurses. In our institution, the results of routine post-hospital stay surveys had shown below average scores in the area of pain management. This began as a quality management issue, became a pain subcommittee issue, and drew in the research nurses to ask what we can learn from this process. Changing the method of handling pain management is not easy, but it makes a difference in patients' hospital experiences. We learned that cooperation and expertise from multiple departments within the institution and some organizations outside the institution is needed to bring about change. We learned that education of not just staff members but also patients on pain management affected the outcome. This article describes our journey to enhance pain management in our institution. [ABSTRACT FROM AUTHOR]

This study compares the incidence of venous thromboembolic event (VTE) in 55 patients (110 knees) undergoing simultaneous bilateral TKA with 287 patients (287 knees) undergoing unilateral TKA using a mobile compression device as monotherapy prophylaxis in both groups. All patients were clinically evaluated 3months after surgery with symptomatic confirmed VTE as an endpoint. Deep venous thrombosis (DVT) was documented by duplex ultrasound and pulmonary embolism (PE) was documented by spiral CT. The simultaneous bilateral TKA group had 6 VTEs (10.9%) with 2 PEs (3.6%). The unilateral TKA group had 9 VTEs (3.1%), and 0 PE. Patients undergoing simultaneous bilateral TKA yielded more than twice the rate of VTE compared with patients undergoing unilateral TKA using a mobile compression device as sole thromboprophylactic modality., (Copyright © 2013 Elsevier Inc. All rights reserved.)

Postoperative flexion is an important factor in the outcome of total knee arthroplasty. Although normal activities of daily living require a minimum of 105° to 110° of flexion, patients from non-Western cultures often engage in activities such as kneeling and squatting that require higher flexion. The desire to achieve greater flexion serves as the driving force for prosthetic modifications, including high-flexion designs. Techniques used to measure knee flexion and knee position during measurement are not often described or are different depending on the examiner. The purpose of this study was to compare active (self) and passive (assisted) flexion after successful total knee arthroplasty for 5 prostheses (2 standard and 3 high-flexion) using clinical (goniometer) and radiographic (true lateral radiograph) measurement techniques by different independent examiners.At a mean follow-up of 2.7 years (range, 1-5.6 years), a total of 108 patients (144 total knee arthroplasties) had completed the study. Mean postoperative active flexion was 111° clinically and 109° radiographically for the standard designs and 114° clinically and 117° radiographically for the high-flexion designs. Adding passive flexion increased flexion to 115° clinically and 117° radiographically for the standard designs and 119° clinically and 124° radiographically for the high-flexion designs. Flexion differences between the 2 measurement techniques (active vs passive and clinically vs radiographically) were statistically significant (P<.05). These findings demonstrate the importance of describing how flexion is measured in studies and understanding how the method of measurement can affect the findings., (Copyright 2012, SLACK Incorporated.)

Purpose: Healing touch (HT), a nurse-initiated modality, has potential to improve postoperative pain control and restore balance to a patient's energy field to facilitate self-healing. We hypothesized that addition of HT to standard pharmacologic intervention would reduce pain, anxiety, and opioid consumption, and would improve ambulation distance, knee flexion, and patient satisfaction with quality of care in bilateral total knee arthroplasty., Sample: Forty-one patients were prospectively randomized to an HT group (n = 20) or a standard treatment (ST) group (n = 21)., Methods: For the HT group, HT was administered once daily between 2 daily physical therapy sessions. Pain was assessed using a visual analog scale (VAS) before surgery, before and after HT daily (HT group), or between physical therapy sessions daily (ST group). Anxiety was measured using State-Trait Anxiety Inventory (STAI). Opioid analgesic consumption was converted into dose equivalents (DE; 10 mg morphine intravenous = 1 DE). Satisfaction was assessed at the 1-month postoperative visit., Findings: Demographics were similar. Pain VAS was lower in the HT group than in the ST group but was not significant. Within the HT group, pain VAS after the HT treatment was significantly diminished compared with pre-HT pain VAS (p < .05) except on postoperative Day 1. State anxiety was lower in the HT group but reached significance (p = .046) only on postoperative Day 2. Total opioid DE was lower in the ST group by 0.5 DE. Twenty percent more in the ST group reported overall pain as moderate/severe. One month after surgery, 95% of the HT group, compared with 87% of the ST group, felt that their pain was adequately controlled during the hospital stay., Discussion: Healing touch provides another tool that nurses can use to decrease pain in patients undergoing postoperative bilateral total knee arthroplasty.

Introduction: Prevention of venous thromboembolism (VTE), including deep venous thrombosis (DVT) and pulmonary embolism (PE), has been at the forefront of orthopaedic care for many years for lower extremity arthroplasty, which is at high risk for VTE. Risk of bleeding increases in total hip arthroplasty (THA) with low-molecular-weight heparin (LMWH) prophylaxis. A mobile compression device (MCD) that allows patients to move freely in hospital and at home may be safer., Hypothesis: The study hypothesized that patients using MCD would have less major bleeding than patients using LMWH without affecting the efficacy of thrombosis prevention in THA., Sample: Following THA, 395 patients at 9 healthcare sites in the United States were randomized to receive either MCD or LMWH for VTE prophylaxis., Methods: A mobile compression device was applied in the operating room and continued for 10 days with or without aspirin 81 mg daily. Low-molecular-weight heparin was started the morning after surgery and continued for 10 days. Days 10-12 following surgery, bilateral duplex ultrasound was performed on all patients. Bleeding events were recorded during treatment and VTE events were recorded for 3 months. Number of hours of device use was recorded., Findings: Major bleeding events occurred in 11 patients, all in the LMWH group (6%). Venous thromboembolism occurrence was similar, 5.1% in the MCD group and 5.3% in the LMWH group. The MCD group used the device 83% of possible usable time., Discussion: Findings of significantly less major bleeding in the MCD group than the LMWH group supported our hypothesis with no significant difference in VTE.

Evidence-based nursing practice provides the highest quality of patient care. In an orthopaedic setting, the study of outcomes across a patient population offers the ability to determine associations between the treatment regime and function, complication rates, patient satisfaction, and quality of life as evidence for practice. These associations give the orthopaedic nursing community valuable insight into patient results. An outcomes database can both assist nurses in assessing the results of their nursing interventions and in providing the basis for submitting papers to journals and scientific symposiums. These papers can provide information and education for establishment of an evidence-based nursing practice. This article describes the planning, development, and implementation of a comprehensive orthopaedic outcomes program including nursing intervention outcomes at one institution. We offer a step-by-step guide based on our experience for other institutions that plan to initiate an outcomes program with inclusion of nursing outcomes.

Wear debris from metal-on-polyethylene articulation in conventional total hip arthroplasty (THA) may limit THA longevity. Bearing surfaces made of modern ceramic material, with high wear resistance and low fracture risk, have the potential to extend the longevity of THA and make the procedure more suitable for young, active patients. Concerns regarding a ceramic-on-ceramic bearing surface have included potential for a higher incidence of dislocation caused by limited modular neck length and liner options. This prospective study assessed the early dislocation incidence for a ceramic-on-ceramic THA system. Out of the 336 consecutive ceramic-on-ceramic THA performed at our institution over an 8-year (1997-2005) period, 2 (0.6%) sustained dislocation during, and none after, the first postoperative year. Both dislocations were treated with closed reduction. No component fracture or revision for any reason has occurred in this series.

The overall aging of our population and the success of total joint arthroplasty has rapidly increased the number of these surgeries performed. With total joint arthroplasty of the lower extremity, the risk of development of venous thrombosis is significant. As people age, co-morbidities and the risk of thrombosis also increase. A range of prophylactic strategies that can dramatically reduce the prevalence of venous thromboembolism in the aging population are available. Thromboprophylaxis has been shown in many randomized trials to reduce the incidence of venous thromboembolism in patients undergoing total joint arthroplasty. Use of any prophylaxis has to be examined in terms of risks and benefits to the patient. Generalized use of the guidelines published in Chest has substantially reduced the incidence of venous thromboembolism in the hospitalized elderly patient undergoing major orthopaedic surgery of the lower extremity. Adhering to published evidence-based guidelines can greatly decrease the number of thromboembolic events seen in elderly patients undergoing major orthopaedic surgery.

Use of handheld devices with electronic patient diaries (EPDs) can improve the quality of patient-reported information collected in clinical and research settings. EPDs have advantages compared with traditional paper-based instruments that include decreased data entry error and decreased time spent on data management. Orthopaedic pain management, which is often dependent on patient-reported pain levels, can benefit from the use of EPDs. A pilot survey was conducted to compare two self-report pain diary methods in shoulder surgery patients: (a) EPD or (b) paper entry. Compliance was lower in the EPD group, which was attributed to insufficient ease of use. Handheld technology can be used by nurses to improve and streamline patient care by capturing clinical data, by organizing and reporting home health services, and by providing references for evidence-based practice. Handheld technology can facilitate the transformation of clinical documentation of assessments, interventions, and outcomes into evidence-based decision making in orthopaedic nursing.

Low-molecular-weight heparin has been studied extensively in total knee arthroplasty (TKA) and provides highly effective and safe prophylaxis against deep venous thrombosis (DVT). Low-molecular-weight heparin received the highest rating (A1) in the American College of Chest Physicians recommendations for DVT prophylaxis after elective TKA. Prevalence of DVT with low-molecular-weight heparin prophylaxis was 33% in TKA data pooled from six randomized studies, with a proximal DVT rate of 7.1%. A metaanalysis reported a 2.4% rate of major bleeding with low-molecular-weight heparin. Low-molecular-weight heparin, given by subcutaneous injection, can be started before surgery or after surgery. A synthetic pentasaccharide (fondaparinux), which received an A1 rating in the American College of Chest Physicians recommendations, also is available. As with all treatments, the benefit must be considered against the risk when using these anticoagulants.

Tibiofemoral forces determine polyethylene wear and affect the longevity of total knee prostheses. Previously, investigators relied on theoretic data from mathematical models to predict mechanical forces in the knee. Predictions of tibiofemoral forces are highly variable because of the complex interplay of the muscles involved in activities. Ideally, knee forces should be directly measured. An electronic total knee prosthesis (e-Knee) was developed to directly measure tibiofemoral compressive and tensile forces in vivo. After 13 years of research and development, the e-Knee was implanted into a patient in 2004. Tibiofemoral force data were collected intraoperatively and throughout the postoperative period during activities of daily living and during exercise. Direct measurement of knee forces can lead to a better understanding of the stresses seen following total knee arthroplasty. Information generated by the e-Knee will aid in the improvement of implant design and patient care.

The need for prophylaxis against venous thromboembolic disease following lower-extremity joint replacement is well documented and accepted. Although low molecular weight heparin is approved for inpatient and extended prophylaxis beyond the hospital environment, orthopedic surgeons must determine the duration of injectable low molecular weight heparin based on the period of venous thromboembolic disease risk and on patient compliance with self-administration of medication at home. Lack of confidence in patients' ability to self-administer injections may contribute to hesitancy in prescribing injectable prophylaxis. This observational study evaluated the effectiveness of a self-injection education program. Findings demonstrate that when properly instructed, patients safely and efficaciously self-administer low molecular weight heparin at home. With shorter hospital stays, self-administration of low molecular weight heparin may optimize the clinical outcomes of orthopedic patients.

Deep vein thrombosis (DVT) is a major risk following total knee arthroplasty (TKA). This prospective outcomes study evaluates the efficacy of enoxaparin 40 mg once daily for 7 days after TKA, by documenting symptomatic and asymptomatic outcomes using bilateral lower extremity duplex ultrasound upon hospital discharge and on postoperative day 21 (+/-2). In 60 extremities, duplex ultrasound demonstrated a DVT prevalence of 16.7% (10) on the day of discharge and of 11.7% (7) on postoperative day 21. No new DVT or propagation of distal to proximal DVT were noted. For this small cohort, enoxaparin 40 mg daily demonstrates effective prophylaxis for DVT in TKA patients.

This study evaluated whether patients receiving a two-dose regime of epoetin alfa received less allogeneic blood than patients donating autologous blood before primary hip arthroplasty. Consenting patients with a hemoglobin level between 12 and 15 g/dL were randomly assigned to a two-dose administration of epoetin alfa (19 patients) or autologous donation (21 patients). Sixteen percent of the patients in the epoetin alfa group and 52% of the patients in the autologous donation group received transfusions, with a mean volume of 90 cc per patient in the epoetin alfa group and 340 cc in the autologous donation group. Hemoglobin was similar at screening; however, the epoetin alfa group achieved a higher hemoglobin (14.6 g/dL) than the autologous donation group (12.6 g/dL) before surgery. Hemoglobin remained significantly higher in the epoetin alfa group for 3 days after surgery. Administration of two doses of epoetin alfa provided patients with effective and safe reduction of allogeneic blood transfusions and decreased the necessity and difficulty of autologous donation before total hip arthroplasty.

Every year, approximately 2 million people experience a deep venous thrombosis (DVT). Approximately 600,000 of these people are diagnosed with a pulmonary embolism and about 10% of these die. It has been established that surgery, anesthesia, and bed rest increase the risk of DVT, and therefore, patients who undergo a major lower-extremity procedure should receive prophylaxis. During the past 10 years, the choices of pharmacological and mechanical prophylaxis have increased greatly. Warfarin is probably the most widely used prophylactic method in the U.S., but low-molecular-weight heparin (LMWH) use has increased. Also available is a synthetic pentasaccharide that acts as an anti-Xa inhibitor to decrease DVT without increase in bleeding. All but warfarin are given by subcutaneous injection and require no laboratory management to adjust the medication. Another drug in clinical trials is a direct thrombin inhibitor taken orally in a fixed dose that does not require monitoring. Non-pharmacological prophylaxis and/or stacked modalities, although used, have not shown the efficacy of pharmacological prophylaxis. With the incidence of DVT reported in the range of 41% to 85% without prophylaxis in joint replacement and hip-fracture surgery, prophylaxis is warranted in all lower-extremity joint replacement and hip-fracture patients.

Background: Erythrocyte salvage, the collection of a patient's blood shed from the surgical wound, is one aspect of blood management. Previous investigators have examined salvaged blood for content; however, to our knowledge, none have examined the viability of erythrocytes after exposure to the chemical and thermal reactions produced by motorized instruments and polymethylmethacrylate during surgery. The purpose of this study was to determine the viability of salvaged erythrocytes from patients undergoing primary total joint arthroplasty with cement., Methods: Erythrocyte viability studies were performed on specimens from three subjects with use of a double isotope-labeling technique employing chromium-51 and technetium-99m. With use of a fresh blood specimen obtained prior to surgery and a specimen of salvaged blood that had been recycled, washed, and filtered with use of the Cell Saver, the viability of the Cell-Saver-processed erythrocytes, labeled with chromium-51, was calculated on the basis of the technetium-99m-labeled red blood-cell mass., Results: The mean erythrocyte viability (and standard deviation) in blood salvaged with use of the Cell Saver was 88.0% +/- 3.8%. The standard of the American Association of Blood Banks for minimum erythrocyte viability in adequately cross-matched allogeneic blood or predeposited autologous blood is 70%., Conclusions: The high rate of viability of the erythrocytes in this study shows that the Cell Saver is a valuable adjunct to other blood management techniques for patients having total joint arthroplasty. We believe that the very high mean rate of erythrocyte viability and the extremely small standard deviation in our three subjects, as compared with the standards of the American Association of Blood Banks, made additional study subjects unnecessary.

Background: Venous thromboembolic disease in the form of deep venous thrombosis and pulmonary embolism is a major risk after a total hip arthroplasty. Enoxaparin, a low-molecular-weight heparin, has been shown to reduce the prevalence of deep venous thrombosis after total hip arthroplasty. Warfarin, an orally administered anticoagulant, has been used historically to reduce the risk of deep venous thrombosis after total hip arthroplasty., Methods: We compared enoxaparin and adjusted-dose warfarin with respect to their safety and their efficacy in the prevention of clinically important venous thromboembolic disease, defined as distal or proximal deep venous thrombosis or pulmonary embolism, or both, during hospitalization after total hip arthroplasty. We also evaluated the prevalence of complications and mortality from venous thromboembolic disease within three months after discharge., Results: Three thousand and eleven patients at 156 centers were randomly assigned to prophylactic treatment with injection of enoxaparin or oral administration of adjusted-dose warfarin during hospitalization. During the study, fifty-five (3.6 percent) of the 1516 patients who were managed with enoxaparin and fifty-six (3.7 percent) of the 1495 patients who were managed with warfarin had venous thromboembolic disease. Twenty-one patients (0.7 percent), which included four (0.3 percent) of those managed with enoxaparin and seventeen (1.1 percent) of those managed with warfarin (p = 0.0083), had venous thromboembolic disease during hospitalization. After discharge from the hospital, venous thromboembolic disease developed in ninety patients (3.0 percent): fifty-one (3.4 percent) of those managed with enoxaparin and thirty-nine (2.6 percent) of those managed with warfarin. One patient who had been managed with enoxaparin died because of a pulmonary embolism, which was confirmed at autopsy. Three additional patients (one who had been managed with enoxaparin and two who had been managed with warfarin) died, and the deaths were attributed to venous thromboembolic disease; however, no autopsies were performed. Twenty-six patients (0.9 percent) (eighteen managed with enoxaparin and eight managed with warfarin) had clinically important bleeding., Conclusions: Inpatient programs providing treatment with either enoxaparin (thirty milligrams every twelve hours) or adjusted-dose warfarin for a mean of 7.3 days afforded protection against venous thromboembolic disease, with overall rates of morbidity and mortality of 3.7 and 0.6 percent, respectively, and a very low rate of major bleeding complications (0.9 percent) for three months after total hip arthroplasty. During hospitalization, the patients managed with enoxaparin had a lower rate of venous thromboembolic disease than those managed with adjusted-dose warfarin (p = 0.0083). This benefit was lost after the medication was discontinued, with no difference in the prevalences of venous thromboembolic disease between the two groups at three months after discharge from the hospital.

Acute normovolemic hemodilution has been reported to result in blood savings varying from 18% to 90%. Very few of these are randomized prospective studies. This study attempts to determine the blood transfusion savings if acute normovolemic hemodilution is used in combination with autologous predonated blood and cell saver. Thirty-three patients undergoing total hip arthroplasty were assigned randomly to one of two groups (control, n = 16; hemodilution, n = 17). Patients in both groups entered an autologous predonation program if cleared medically and were placed on Cell Saver intraoperatively and in the postanesthesia care unit. In addition, the hemodilution group underwent acute normovolemic hemodilution preoperatively. Only 41% of the patients in the hemodilution group required any autologous blood transfusion as compared with 75% of the control group. In addition, the hemodilution group required a mean lower quantity of autologous blood transfusion (41% of the estimated blood loss) as compared with the control group (71%). The net anesthesia time increased by an average of 11.4 minutes in the hemodilution group. Acute normovolemic hemodilution is a safe procedure even in an older patient population. Hemodilution resulted in fewer patients needing autologous predonated blood transfusions. The major benefit of hemodilution was seen when predonation was not possible.

This study compared the effects of preoperative physical therapy of general cardiovascular conditioning exercises with the routine procedure of no preoperative physical therapy on patients undergoing primary total knee replacement. Thirty patients were randomly assigned to 1 of 3 groups. Group 1 was the control group. Group 2 participated in a physical therapy program designed to strengthen the upper and lower limbs and improve knee range of motion. Group 3 participated in a cardiovascular conditioning program, consisting of arm ergometry, cycle ergometry, aquatic exercises, and aerobic activity. All patients were evaluated preoperatively and postoperatively using the Hospital for Special Surgery Knee Rating, the Arthritis Impact Measurement Scale, and the Quality of Well Being instrument. Both experimental groups tolerated their respective exercise protocols extremely well. All 3 groups showed significant improvement postoperatively as measured by the Hospital for Special Surgery Knee Rating, the Arthritis Impact Measurement Scale and the Quality of Well Being measurement scales. However, neither type of preoperative exercise added to the degree of improvement after surgery at any of the postoperative evaluations.