Efficacy of surgical safety checklist: Assessing orthopaedic surgical implant readiness.

INTRODUCTION: Our institution employs a Surgical Universal Protocol Preoperative Checklist in accordance with World Health Organization guidelines to promote patient safety. It is used in part to evaluate orthopaedic surgical equipment and implant readiness prior to the initiation of each surgical case. Our goal is to measure the preoperative checklist's efficacy in assessing orthopaedic equipment readiness preoperatively and its ability to prevent orthopaedic equipment failures (OEF). Our study focused on orthopaedic surgery cases as they require a large volume of equipment and implants for successful completion. These cases therefore present an appropriate medium to identify potential weakness in our institution's current surgical safety checklist (SSC). METHODS: Data was collected over a 6 month period of time, broken into 2 distinct periods. The goal during the first 3 months was to observe compliance with the SSC. And during this time, we observed how often the SSC identified an implant or equipment deficiency at the outset of the case. The goal during the second 3 months was to record if orthopaedic surgical equipment issues were occurring that should have been identified by the SSC. During the second 3 months, we continued to utilize the SSC but also added a postsurgical review at the end of each surgical case. The postsurgical review was a one page questionnaire aimed at identifying any orthopaedic equipment failures that had occurred during the surgical case. For the purposes of this study, we defined an intraoperative orthopaedic equipment failure (OEF) as any one of the 6 following categories: (1) surgery delayed due to missing equipment, (2) lack of sterility of equipment, (3) equipment not available, (4) equipment malfunction, and (5) equipment sets incomplete, or (6) additional equipment brought into room necessary for completion of case. The data was collected at a postsurgical review that was performed by the physicians, nurses, and technicians from the surgical team in a nonthreatening manner. We also attempted to quantify the impact that the OEF had upon the surgical case. RESULTS: During the first 3 months of the study (phase 1), we confirmed that our institutional SSCs were completed for all orthopaedic cases, including the specific questions related to implants and equipment. During phase 1, using the SSC alone, no orthopaedic equipment failures were identified. During phase 2, 33% of the reported surgical cases were identified as having started without essential equipment available or operational (defined as an orthopaedic equipment failure) in the operating room. The most common negative impact upon the surgical case was additional time requirement. CONCLUSION: Our institution's current SSC fails to prevent OEF in our operating rooms. These checklist failures and intraoperative equipment deficiencies have measureable negative patient safety and institutional cost implications. IMPLICATIONS: While the SSC is an effective tool it cannot be used alone to prepare for orthopaedic surgical cases. In order to improve patient safety and decrease hospital losses, further research is necessary to implement an effective communication network between surgeons, administrators, operating room nursing and sterile processing to eliminate OEF. LEVEL OF EVIDENCE: Level IV.

Acute kidney injury in the setting of knee arthroplasty: a case report and discussion investigating Angiotensin-converting enzyme inhibitors as the culprit.

Total knee arthroplasty (TKA) has become the predominant treatment modality for severe degenerative joint disease. With recent advancements in surgical and anesthetic technique, patients with severe comorbidities are able to have this procedure; they would have been precluded from TKA only a matter of years ago. Although many studies have investigated risk factors and the causes of perioperative morbidity and mortality in the arthroplasty patient, few have linked risk factors with specific outcomes. We present a case report that illustrates the link between the use of angiotensin-converting enzyme inhibitors and the development of postoperative acute kidney injury. While this relationship has been extensively studied in cardiac and gastric bypass patient populations, it has never been examined in the setting of joint replacement.

The use of clopidogrel (Plavix) in patients undergoing nonelective orthopaedic surgery.

OBJECTIVE: To assess the effects of Plavix on patients requiring nonelective orthopaedic surgery. DESIGN: Retrospective cohort study. SETTING: University-affiliated teaching institutions. PATIENTS AND PARTICIPANTS: The orthopaedic trauma registry was used to retrospectively identify all patients taking clopidogrel (Plavix; Bristol-Myers Squibb/Sanofi Pharmaceuticals, Bridgewater, NJ) who required nonelective orthopaedic surgery from 2004 to 2008. Twenty-nine patients were identified on Plavix (PG) and 32 matched patients in the control group not taking Plavix (NPG). The Plavix group was separated into those with a surgical delay less than 5 days of the last dose (PG < 5) (n = 28) and a delay greater than 5 days (PG > 5) (n = 1). A randomized age- and injury-matched control group not on Plavix was separated with surgical delay less than 5 days (NPG < 5) (n = 29) and delay greater than 5 days (NPG > 5) (n = 3). INTERVENTION: A retrospective review was performed comparing pre- and postoperative hemoglobin, blood transfusion requirements, surgical delay, 30-day mortality, and postoperative complications. MAIN OUTCOME MEASUREMENTS: Statistical analyses were performed using the Student t test and chi square test to identify differences between the groups. RESULTS: : The mean preoperative hemoglobin of the PG and the NPG was 11.2 g/dL and 12.3 g/dL (P = 0.03). Transfusion rates were similar with 18 of 28 in the PG compared with 13 of 29 in the NPG (P = 0.22). The mean surgical delay between the PG and NPG was 1.88 and 1.68 days (P = 0.64). Overall complications between the PG and NPG was nine of 28 and nine of 29 (P = 0.92). In both groups, two patients had postoperative wound drainage, which resolved without intervention. One patient in each group required revision surgery for nonunion. The 30-day mortality in the Plavix group was zero of 28 (0%) compared with one of 29 (3%) in the control group (cardiac arrest) (P = 0.32). CONCLUSIONS: In this study, there were no serious complications or increased transfusion requirements in the Plavix group. Avoiding surgical delay for patients on Plavix requiring nonelective orthopaedic surgery appears to be safe. The goal should be early operative intervention to decrease the morbidity and mortality of surgical delay. This is especially true for patients with hip fractures, which was the most common nonelective orthopaedic surgery required of patients on Plavix in this study.

A critical analysis of the eccentric starting point for trochanteric intramedullary femoral nailing.

OBJECTIVES: Antegrade femoral intramedullary nailing through a greater trochanteric insertion site has been proposed for the treatment of subtrochanteric fractures. The currently available trochanteric nails have dissimilar characteristics, and the most appropriate insertion site for satisfactory subtrochanteric fracture alignment has not been determined. This study is an analysis of 5 different trochanteric femoral nails and 3 different insertion sites using a cadaveric model of a reverse obliquity subtrochanteric femur fracture to determine the optimal trochanteric entry site. SETTING: OSHA-approved cadaveric laboratory with an OEC 9800 (General Electric Company, Fairfield, CT) fluoroscopic C-arm. METHODS: Twenty-one embalmed human cadaveric femurs were stripped of soft tissues. Three different starting points on the anteroposterior radiograph were used: at the tip of the greater trochanter, and 2 to 3 mm medial and lateral to the tip. A reverse obliquity subtrochanteric fracture was created. The Trochanteric Antegrade Nail (TAN), Gamma nail (2nd and 3rd generations), Trochanteric Fixation Nail (TFN), and the Holland Nail were then inserted. The proximal bend and radius of curvature were calculated for each nail. Varus and valgus angulation as well as lateral gapping were measured on radiographs; also calculated were the mean, range, and standard deviation. Statistical analysis was performed on angulation and gapping at the fracture site by using Fisher least significant differences analysis, based on a 2-way ANOVA test. RESULTS: The Holland nail had a proximal bend of 10 degrees and a radius of 300 cm. TAN was 5 degrees and 350 cm, TFN was 6 degrees and 150 cm, Gamma 2 was 4 degrees and 300 cm, and Gamma 3 was 4 degrees and 200 cm. The tip starting point led to the most neutral alignment regardless of nail. The lateral starting point led to varus with all nails. The medial starting point led to valgus of >6 degrees with the Holland and TFN; Gamma and TAN had better alignment with <4 degrees of valgus. Gapping of the lateral cortex was greatest with a lateral starting point. CONCLUSIONS: An analysis of 5 trochanteric intramedullary nails with different proximal bends and 3 different starting points in the greater trochanter showed that the tip of the trochanter is close to the "universal" starting point. In this cadaveric subtrochanteric fracture model, the tip starting point led to the most neutral alignment regardless of nail used. The lateral starting point led to varus and gapping of the lateral cortex with all nails. CLINICAL RELEVANCE: Subtrochanteric fractures treated with a trochanteric antegrade nail should have an acceptable reduction before nail insertion. The tip of the trochanter, or even slightly medial, on anteroposterior fluoroscopy is recommended as the universal starting point for these nails. However, slight deviations from this point and nail geometry can cause fracture site malalignment. A lateral starting point led to varus alignment and should be avoided.

Isolated traumatic brain injury: age is an independent predictor of mortality and early outcome.

BACKGROUND: Geriatric trauma patients have a worse outcome than the young with comparable injuries. The contribution of traumatic brain injury (TBI) to this increased mortality is unknown and has been confounded by the presence of other injuries. The purpose of this study was to investigate the role of age in the mortality and early outcome from isolated TBI. METHODS: This was a retrospective analysis of all adult patients with isolated TBI (Abbreviated Injury Scale score > or = 3) admitted during a 5-year period to two Level I trauma centers. Mortality, Glasgow Outcome Scale score at discharge, therapy, and complications were compared for elderly (age > or = 65 years) and younger patients. RESULTS: Of 694 patients, 22% were defined as elderly. The mortality for the elderly group was twice that of their younger counterparts (30% vs. 14%, p < 0.001), even for those with mild to moderate TBI (Glasgow Coma Scale score of 9-15). Thirteen percent of elderly survivors had a poor functional outcome (Glasgow Outcome Scale score of 2 or 3) at hospital discharge versus 5% in the young group (p < 0.01). Independent factors associated with a high mortality were age and Glasgow Coma Scale score. CONCLUSION: The mortality from TBI is higher in the geriatric population at all levels of head injury. In addition, functional outcome at hospital discharge is worse. Although some of this increased mortality may be explained by complications or type of head injury, age itself is an independent predictor for mortality in TBI.