Wireless In-Ear Communication for Total Joint Arthroplasty: A Simulated Operating Room Evaluation.
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SUBMITTER: Dunson BT
PROVIDER: S-EPMC11369397 | biostudies-literature | 2024 Oct
REPOSITORIES: biostudies-literature
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Wireless In-Ear Communication for Total Joint Arthroplasty: A Simulated Operating Room Evaluation.
Dunson Blake T BT Cooper Alexus M AM Polascik Bryce W BW Wood Taylor R TR Langfitt Maxwell K MK Plate Johannes F JF Rosas Samuel S
Arthroplasty today 20240812
Effective communication is vital for patient safety, yet failures are common, often due to outdated methods. This study aimed to assess whether in-ear communication devices improve communication in orthopedic surgery simulations compared to traditional loud voice methods. Fifteen participants underwent simulations using both in-ear wireless devices and standard communication. Results showed significant improvements with in-ear devices in correctly identifying phrases (78.6% vs 44%), effectivenes ...[more]
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Project description:ImportanceThe COVID-19 pandemic has brought forth new challenges for health care workers, such as the daily use of personal protective equipment, including reusable facial respirators. Poor communication while wearing respirators may have fatal complications for patients, and no solution has been proposed to date.ObjectiveTo examine whether use of an in-ear communication device is associated with improved communication while wearing different personal protective equipment (N95 mask, half-face elastomeric respirator, and powered air-purifying respirator [PAPR]) in the operating room.Design, setting, and participantsThis quality improvement study was conducted in June 2020. Surgical residents from the Department of Otolaryngology-Head and Neck Surgery at McGill University in Montreal, Quebec, Canada, were recruited. All participants had normal hearing, were fluent in English, and had access to the operating rooms at the Royal Victoria Hospital.ExposuresAll participants performed the speech intelligibility tasks with and without an in-ear communication device.Main outcomes and measuresSpeech intelligibility was measured using a word recognition task (Modified Rhyme Test) and a sentence recognition task (AzBio Sentence Test). A percentage correct score (0% to 100%) was obtained for each speech intelligibility test. Listening effort was assessed using the NASA Task Load Index. An overall workload score, ranging from 0 points (low workload) to 100 points (high workload), was obtained.ResultsA total of 12 participants were included (mean [SD] age, 31.2 [1.9] years; 8 women [66.7%]). AzBio Sentence Test results revealed that, while wearing the N95 mask, the mean (SD) speech intelligibility was 98.8% (1.8%) without the in-ear device vs 94.3% (7.4%) with the device. While wearing the half-face elastomeric respirator, the mean speech intelligibility was 58.5% (12.4%) without the in-ear device vs 90.8% (8.9%) with the device. While wearing the PAPR, the mean speech intelligibility was 84.6% (9.8%) without the in-ear device vs 94.5% (5.5%) with the device. Use of the in-ear device was associated with a significant improvement in speech intelligibility while wearing the half-face elastomeric respirator (32.3%; 95% CI, 23.8%-40.7%; P < .001) and the PAPR (9.9%; 95% CI, 1.4%-18.3%; P = .01). Furthermore, use of the device was associated with decreased listening effort. The NASA Task Load Index results reveal that, while wearing the N95 mask, the mean (SD) overall workload score was 12.6 (10.6) points without the in-ear device vs 17.6 (9.2) points with the device. While wearing the half-face elastomeric respirator, the mean overall workload score was 67.7 (21.6) points without the in-ear device vs 29.3 (14.4) points with the in-ear device. While wearing the PAPR, the mean overall workload score was 42.2 (18.2) points without the in-ear device vs 23.8 (12.8) points with the in-ear device. Use of the in-ear device was associated with a significant decrease in overall workload score while wearing the half-face elastomeric respirator (38.4; 95% CI, 23.5-53.3; P < .001) and the PAPR (18.4; 95% CI, 0.4-36.4; P = .04).Conclusions and relevanceThis study found that among participants using facial respirators that impaired communication, a novel in-ear device was associated with improved communication and decreased listening effort. Such a device may be a feasible solution for protecting health care workers in the operating room while allowing them to communicate safely, especially during the COVID-19 pandemic.
| S-EPMC8056284 | biostudies-literature
Project description:In total ankle arthroplasty, the interaction at the joint between implant and bone is driven by a complex loading environment. Unfortunately, little is known about the loads at the ankle during daily activities since earlier attempts use two- or three-dimensional models to explore simplified joint mechanics. Our goal was to develop a framework to calculate multi-axial loads at the joint during simulated level walking following total ankle arthroplasty. To accomplish this, we combined robotic simulations of level walking at one-quarter bodyweight in three cadaveric foot and ankle specimens with musculoskeletal modeling to calculate the multi-axial forces and moments at the ankle during the stance phase. The peak compressive forces calculated were between 720 and 873 N occurring around 77%-80% of stance. The peak moment, which was the internal moment for all specimens, was between 6.1 and 11.6 N m and occurred between 72% and 88% of the stance phase. The peak moment did not necessarily occur with the peak force. The ankle joint loads calculated in this study correspond well to previous attempts in the literature; however, our robotic simulator and framework provide an opportunity to resolve the resultant three-dimensional forces and moments as others have not in previous studies. The framework may be useful to calculate ankle joint loads in cadaveric specimens as the first step in evaluating bone-implant interactions in total ankle replacement using specimen specific inputs. This approach also provides a unique opportunity to evaluate changes in joint loads and kinematics following surgical interventions of the foot and ankle.
| S-EPMC7749051 | biostudies-literature
Project description:BackgroundThis study estimated operating room surface contamination rates during aseptic vs septic total joint arthroplasty and evaluated the similarity between clinically infecting organisms and those isolated from contaminated surfaces.MethodsPatients undergoing total hip and knee revision arthroplasties were identified, and surface and tissue samples were collected. Cases were classified aseptic or septic based on Musculoskeletal Infection Society criteria for prosthetic joint infection. Positive surface cultures were compared with intraoperative tissue cultures. Positive cultures were speciated and tested for antimicrobial sensitivity.ResultsSamples were collected from 31 aseptic and 18 septic cases. Patients had similar demographics and time to explantation. Surface contamination rates for septic revisions were greater than those for aseptic revisions (77% vs 13%). During septic revisions, when intraoperative tissue cultures were positive, the surgical field was contaminated in 14 of 15 cases. The kappa correlation statistic for positive surgical cultures matching the surface sample was 0.9 (95% confidence interval: 0.78-1).ConclusionsSeptic revisions had a significantly higher rate of surgical field contamination than aseptic revisions. Cultures suggest that bacteria contaminating the septic revision surgical field likely originated from the infected joint. Although this observation seems obvious, it is an important piece of information when discussing best practices during a single-stage exchange revision. Further clinical studies will demonstrate the use of a preparation and reset period during a single-stage revision to remove contaminated surfaces.
| S-EPMC6475652 | biostudies-literature
Project description:Background: Rising health care costs, coupled with an emphasis on cost containment, continue to gain importance. Surgeon cost scorecards developed to track case-based expenditures can help surgeons compare themselves with their peers and identify areas of potential quality improvement. Purpose: We sought to investigate what effect surgeon scorecards had on operating room (OR) costs in orthopedic surgery. Methods: Our hospital distributed OR cost scorecards to 4 adult reconstruction fellowship-trained orthopedic surgeons beginning in 2012. The average direct per-case supply cost of procedures was calculated quarterly and collected over a 5-year period, and each surgeon's data were compared with that of their peers. All 4 surgeons were made aware of the costs of other surgeons at the 2-year mark. The initial 2 years of data was compared with that of the final 2 years. Results: The average direct per-case supply cost ranged from $4955 to $5271 for total knee arthroplasty (TKA) and $5469 to $5898 for total hip arthroplasty (THA) during the initial 2-year period. After implementing disclosures, the costs for TKA and THA, respectively, ranged from $4266 to $4515 (14% annual cost savings) and from $5073 to $5727 (5% annual cost savings); 3 of the 4 surgeons said that cost transparency altered their practice. Conclusion: Our comparison suggests that orthopedic surgeons' participation in a program of operative cost disclosure may be useful to them; we found a possible association with reduced per-case costs for TKA and THA at our institution over a 5-year period. More rigorous study that incorporates the effects of the scorecards on patient outcomes is warranted.
| S-EPMC9527537 | biostudies-literature
Project description:BackgroundThe risk of noise-induced hearing loss (NIHL) to orthopedic surgeons due to occupational exposures is unknown. A level of 85 decibels (dB) over an 8-hour time-weighted average (TWA) is considered hazardous.Question/purposeWe sought to identify whether manual and/or robotic arthroplasty procedures increase surgeons' risk of developing NIHL.MethodsAt our institution, we prospectively collected intraoperative recordings with a microphone attached to the surgeon during manual total knee arthroplasty (TKA), manual total hip arthroplasty (THA), and robotic-assisted total knee arthroplasty (RTKA). Recordings taken in the operating room without operating room staff present served as baseline controls. The 172 recordings consisted of 46 baseline, 42 THA, 40 TKA, and 44 RTKA recordings. Decibel levels were reported as "maximum dB level" (the highest sound pressure level using an A-weighted dB scale), "LAeq" (the equivalent continuous sound level), "LCpeak" (the peak sound pressure level using a C-weighted dB scale), and "TWA" (the average dB level projected over an 8-hour period). The percentage of allowable daily noise dose was reported as "dose" and the measured dose projected over 8 hours as "projected dose."ResultsThe recordings of surgeries had average maximum dB levels ranging from 106.0 to 108.0 dB, all significantly greater than controls. Robotic-assisted total knee arthroplasties had the highest average dose (18.7%) and average projected dose (252.0%).ConclusionsOur review of recordings at a single institution found that noise levels of RTKAs surpassed projected doses of 100%. Orthopedic surgeons performing more than 2 RTKAs per day may be at increased risk of NIHL. Further research is needed to assess the effectiveness of measures such as ear protection to minimize surgeons' exposure.
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Project description:A fire in the operating room is a rare but potentially deadly occurrence. We present an operating room fire during an elective total knee arthroplasty with an unclear ignition source. Flames were visualized originating from the excess bone cement while impacting the tibial component. The electrocautery device was not in use during impaction and was in a plastic sheath at the head of the bed. To our knowledge, this is the first reported case of an operating room fire involving bone cement not caused by an electrocautery device.
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Project description:BackgroundIncreasing demand for total hip arthroplasty (THA) and rising health-care costs have led hospitals to improve operating room (OR) efficiency. We compare the cost-effectiveness of a simultaneous bilateral THA to that of staged unilateral procedures following the implementation of OR efficiency strategies.MethodsBetween 2017 and 2019, 446 simultaneous and 238 staged bilateral primary THA patients (mean age 61.3 ± 12.0 years; 41.8% males/58.2% females; mean body mass index 27.2 ± 4.8 kg/m2) were treated by a single surgeon using an efficient, standardized workflow for efficient direct anterior approach THA on a standard operating table. There were no differences in inclusion criteria between both groups. From this cohort, 16 simultaneous bilateral THAs and 34 unilateral THAs were prospectively compared for cost-effectiveness using detailed timestamp measurements and data on personnel and material usage. Outcome was assessed based on complication and reoperation rate and patient-reported outcome measures.ResultsThere was a complication rate of 1.2%, without a difference between patients who underwent a simultaneous THA vs those who underwent a staged primary THA (5/446; 1.1% vs 3/238; 1.3% P = .386). The mean OR time (patient in/out and turnover time) was 109.4 ± 19.8 minutes for bilateral THAs and 133.8 ± 12.8 minutes for 2 unilateral THAs (P < .001). An 18% time-saving and 14% cost-saving was achieved per procedure. Sharing 5% of the cost-saving with the surgeon brings benefit to both the hospital and surgeon.ConclusionsImplementing OR efficiency improves cost-effectiveness of simultaneous bilateral THA compared to unilateral procedures. A new value-sharing model could be a solution to align incentives.
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Project description:The first microbial environment of infants born by C-section: The operating room microbes
| PRJEB11484 | ENA
Project description:BackgroundRobotic surgery has seen substantial growth over the years and continues to show promise, with recent implementation into orthopedic surgery. There is limited literature available on patient attitudes and comfort level with robotic compared with conventional surgery. We aimed to develop an understanding of patient views on robot-assisted knee replacement to help the development of patient education materials and facilitate successful implementation.MethodsA qualitative, descriptive methodology was used. Included participants were those who had undergone total knee replacement in the last 5 years. Participants completed an online semistructured interview assessing their past experiences and their fears and assumptions about robotic surgery. An inductive thematic analysis was completed to organize and present the major themes.ResultsFour overarching themes described the areas patients focused on: advancements in surgery, perception of robotic surgery and surgeons, reliability, and patient education materials. Major subthemes included the proven reliability of robots, safety fears, and efficacy. Some participants' fear centred around robot autonomy. Greater comfort with the use of robots would occur if patients were given information about the role of the robot before surgery.ConclusionPatient education materials can help alleviate fears and prevent misperceptions about robot-assisted knee replacement. Materials should include themes of surgical advancements and how surgeons interact with these advancements, level of robot autonomy, and the reliability and safety of the robot.
| S-EPMC11745532 | biostudies-literature
Project description:BackgroundSince operating rooms are a major bottleneck resource and an important revenue driver in hospitals, it is important to use these resources efficiently. Studies estimate that between 60 and 70% of hospital admissions are due to surgeries. Furthermore, staffing cannot be changed daily to respond to changing demands. The resulting high complexity in operating room management necessitates perpetual process evaluation and the use of decision support tools. In this study, we evaluate several management policies and their consequences for the operating theater of the University Hospital Augsburg.MethodsBased on a data set with 12,946 surgeries, we evaluate management policies such as parallel induction of anesthesia with varying levels of staff support, the use of a dedicated emergency room, extending operating room hours reserved as buffer capacity, and different elective patient sequencing policies. We develop a detailed simulation model that serves to capture the process flow in the entire operating theater: scheduling surgeries from a dynamically managed waiting list, handling various types of schedule disruptions, rescheduling and prioritizing postponed and deferred surgeries, and reallocating operating room capacity. The system performance is measured by indicators such as patient waiting time, idle time, staff overtime, and the number of deferred surgeries.ResultsWe identify significant trade-offs between expected waiting times for different patient urgency categories when operating rooms are opened longer to serve as end-of-day buffers. The introduction of parallel induction of anesthesia allows for additional patients to be scheduled and operated on during regular hours. However, this comes with a higher number of expected deferrals, which can be partially mitigated by employing additional anesthesia teams. Changes to the sequencing of elective patients according to their expected surgery duration cause expectable outcomes for a multitude of performance indicators.ConclusionsOur simulation-based approach allows operating theater managers to test a multitude of potential changes in operating room management without disrupting the ongoing workflow. The close collaboration between management and researchers in the design of the simulation framework and the data analysis has yielded immediate benefits for the scheduling policies and data collection efforts at our practice partner.
| S-EPMC7992985 | biostudies-literature