Angela Coates

A Comparison of Problem-Based and Conventional Curricula in Nursing Education

AbstractThe purpose of this study was to compare graduating baccalaureate students in a problem-based curriculum with those in a conventional nursing program with regard to perceived preparation for clinical practice, clinical functioning, knowledge and satisfaction with their education. Prior tograduation, students completed a self-report questionnaire that consisted of five sections and took about 45 minutes to complete. Following graduation, their pass rates on the National Nursing Registration Examination (RN Exam) were also compared.The findings indicated no significant differences in their perceived preparation for nursing practice, although the conventional students scored higher in all areas. There were also no significant differences between the two groups in their perceived clinical functioning, although there was a trend toward higher function in the areas of communication and self-directed learning in the PBL group. There were no statistically significant differences in RN scores. The PBL students scored significantly higher on perceptions of their nursing knowledge, particularly in the areas of individual, family and community health assessment, communication, teaching/learning, and the health care system. The students undertaking the PBL program were more satisfied with their educational experience than their counterparts in the conventional program, indicating higher satisfaction with tutors, level of independence, assessment and program outcomes, but no difference in relation to workload orclarity of expectationsThis study contributes to our understanding of the relationship between different educational approaches and student outcomes. It suggests that PBL is an effective approach for educating nurses. Furthermore, it indicates that nursing students in the PBL program, like their counterparts in PBL medical programs, report higher levels of satisfaction. Future studies that are longitudinal in design and rely less on self-report measures would contribute further to our understanding of the benefits and limitations of PBL in nursing education.

The cluster-randomized Quality Initiative in Rectal Cancer trial: evaluating a quality-improvement strategy in surgery

Background: Following surgery for rectal cancer, two unfortunate outcomes for patients are permanent colostomy and local recurrence of cancer. We tested whether a quality-improvement strategy to change surgical practice would improve these outcomes. Methods: Sixteen hospitals were cluster-randomized to the intervention (Quality Initiative in Rectal Cancer strategy) or control (normal practice) arm. Consecutive patients with primary rectal cancer were accrued from May 2002 to December 2004. Surgeons at hospitals in the intervention arm could voluntarily participate by attending workshops, using opinion leaders, inviting a study team surgeon to demonstrate optimal techniques of total mesorectal excision, completing postoperative questionnaires, and receiving audits and feedback. Main outcome measures were hospital rates of permanent colostomy and local recurrence of cancer. Results: A total of 56 surgeons (n = 558 patients) participated in the intervention arm and 49 surgeons (n = 457 patients) in the control arm. The median follow-up of patients was 3.6 years. In the intervention arm, 70% of surgeons participated in workshops, 70% in intraoperative demonstrations and 71% in postoperative questionnaires. Surgeons who had an intraoperative demonstration provided care to 86% of the patients in the intervention arm. The rates of permanent colostomy were 39% in the intervention arm and 41% in the control arm (odds ratio [OR] 0.97, 95% confidence interval [CI] 0.63–1.48). The rates of local recurrence were 7% in the intervention arm and 6% in the control arm (OR 1.06, 95% CI 0.68–1.64). Interpretation: Despite good participation by surgeons, the resource-intense quality-improvement strategy did not reduce hospital rates of permanent colostomy or local recurrence compared with usual practice. (ClinicalTrials.gov trial register no. NCT00182130.)

A Qualitative Assessment of a Provincial Quality Improvement Strategy for Pancreatic Cancer Surgery

PurposeA study released in Ontario, Canada (1999) found a positive relationship between surgical volume and patient outcomes after pancreatic resection for cancer. In response, a province-level quality improvement (QI) strategy was initiated, which included the development and dissemination of a standards document and an audit and feedback exercise with surgeons. We assessed perceptions and actions of Ontario surgeons to this QI strategy.MethodsWe conducted semistructured interviews with surgeons and chiefs of surgery at three types of hospitals providing pancreatic cancer surgery, including hospitals that provided high volumes of surgery after 2001, hospitals that provided low volumes of surgery after 2001, and hospitals that provided low volumes of surgery before 2001 and stopped after year 2001. High-volume hospitals performed ten or more surgeries annually. The interview guide was based on Pathman’s model of physician practice change (i.e., awareness, agreement, adoption, and adherence). Grounded theory guided data collection and analysis.ResultsTwenty-four interviews were completed. All groups were aware of the 1999 province-level QI strategy and agreed in principle with the standards document recommendations. Many surgeons had concerns regarding the number of cases necessary to be considered high-volume. Decisions to cease pancreas cancer surgery were occurring before 1999 and made at the surgeon level, often with input from the chief of surgery, but rarely with input from hospital administration.ConclusionsSurgeons were aware of and agreed in principle with the province-level QI strategy for pancreas cancer surgery. Decisions to continue or cease performing surgery were made by individual surgeons.

Results of a Surgeon-Directed Quality Improvement Project on Breast Cancer Surgery Outcomes in South-Central Ontario

BackgroundGaps in breast cancer (BC) surgical care have been identified. We have completed a surgeon-directed, iterative project to improve the quality of BC surgery in South-Central Ontario.MethodsSurgeons performing BC surgery in a single Ontario health region were invited to participate. Interventions included: audit and feedback (A&F) of surgeon-selected quality indicators (QIs), workshops, and tailoring interviews. Workshops and A&F occurred yearly from 2005–2012. QIs included: preoperative imaging; preoperative core biopsy; positive margin rates; specimen orientation labeling; intraoperative specimen radiography of nonpalpable lesions; T1/T2 mastectomy rates; reoperation for positive margins; sentinel lymph node biopsy (SLNB) rates, number of sentinel lymph nodes; and days to receive pathology report. Semistructured tailoring interviews were conducted to identify facilitators and barriers to improved quality. All results were disseminated to all surgeons performing breast surgery in the study region.ResultsOver 6 time periods, 1,828 BC charts were reviewed from 12 hospitals (8 community and 4 academic). Twenty-two to 40 participants attended each workshop. Sustained improvement in rates of positive margins, preoperative core biopsies, specimen orientation labeling, and SLNB were seen. Mastectomy rates and overall axillary staging rates did not change, whereas time to receive pathology report increased. The tailoring interviews concerning positive margins, SLNB, and reoperation for positive margins identified facilitators and barriers relevant to surgeons.ConclusionsThis surgeon-directed, regional project resulted in meaningful improvement in numerous QIs. There was consistent and sustained participation by surgeons, highlighting the importance of integrating the clinicians in a long-term, iterative quality improvement strategy in BC surgery.

Does mode of transport confer a mortality benefit in trauma patients? Characteristics and outcomes at an Ontario lead trauma hospital

OBJECTIVES Evidence-based guidelines regarding the optimal mode of transport for trauma patients from scene to trauma centre are lacking. The purpose of this study was to investigate the relationship between trauma patient outcomes and mode of transport at a single Ontario Level I Trauma Centre, and specifically to investigate if the mode of transport confers a mortality benefit. METHODS A historical, observational cohort study was undertaken to compare rotor-wing and ground transported patients. Captured data included demographics, injury severity, temporal and mortality variables. TRISS-L analysis was performed to examine mortality outcomes. RESULTS 387 rotor-wing transport and 2,759 ground transport patients were analyzed over an 18-year period. Rotor-wing patients were younger, had a higher Injury Severity Score, and had longer prehospital transport times. Mechanism of injury was similarly distributed between groups. After controlling for heterogeneity with TRISS-L analysis, the mortality of rotor-wing patients was found to be lower than predicted mortality, whereas the converse was found with ground patients. CONCLUSION Rotor-wing and ground transported trauma patients represent heterogeneous populations. Accounting for these differences, rotor-wing patients were found to outperform their predicted mortality, whereas ground patients underperformed predictions.

Are We Missing Traumatic Bowel and Mesenteric Injuries

Purpose Traumatic bowel and mesenteric injury (TBMI), although an uncommon entity, can be lethal if not detected and treated in a timely manner. The purpose of our study was to evaluate the diagnostic accuracy of 64-slice multidetector computed tomography (MDCT) for the detection of TBMI in patients at our level 1 trauma centre. Methods We used our hospitals trauma registry to identify patients with a diagnosis of TBMI from January 1, 2006, to June 30, 2013. Only patients who had a 64-slice MDCT scan at presentation and subsequently underwent laparotomy or laparoscopy were included in the study cohort. Using the surgical findings as the gold standard, the accuracy of prospective radiology reports was analyzed. Results Of the 4781 trauma patients who presented to our institution, 44 (0.92%) had surgically proven TBMI. Twenty-two of 44 were excluded as they did not have MDCT before surgery. The study cohort consisted of 14 males and 8 females with a median age of 41.5 years and a median injury severity score of 27. In total 17 of 22 had blunt trauma and 5 of 22 had penetrating injury. A correct preoperative imaging diagnosis of TBMI was made in 14 of 22 of patients. The overall sensitivity of the radiology reports was 63.6% (95% confidence interval [CI]: 41%-82%), specificity was 79.6% (95% CI: 67%-89%), PPV was 53.9% (95% CI: 33%-73%), and the NPV was 85.5% (95% CI: 73%-94%). Accuracy was calculated at 75.3%. However, only 59% (10 of 17) of patients with blunt injury had a correct preoperative diagnosis. Review of the findings demonstrated that majority of patients with missed blunt TBMI (5 of 7) demonstrated only indirect signs of injury. Conclusion The detection of TBMI in trauma patients on 64-slice MDCT can be improved, especially in patients presenting with blunt injury. Missed cases in this population occurred because the possibility of TBMI was not considered despite the presence of indirect imaging signs. The prospective diagnosis of TBMI remains challenging despite advances in CT technology and widespread use of 64-slice MDCT.

Pilot Study of the Quality Initiative in Rectal Cancer Strategy

INTRODUCTIONTotal mesorectal excision vs. traditional surgical techniques may lead to improved rates of permanent colostomy, local tumor recurrence, and survival for patients undergoing major rectal cancer operations. We developed the surgeon-directed, multipronged Quality Initiative in Rectal Cancer strategy to encourage surgeons to use total mesorectal excision techniques.METHODSThe Quality Initiative in Rectal Cancer strategy interventions included a workshop, an operative demonstration of total mesorectal excision, and a postoperative questionnaire. The design of the strategy was informed by the industrial theory principles of continuous quality improvement. We assessed the logistics of implementing the strategy and the attitudes of surgeons toward the strategy through a pilot study at three community hospitals in the Central-West region of Ontario.RESULTSSeventeen of 19 surgeons participated in a workshop, and 12 of 17 workshop participants received at least one operative demonstration of total mesorectal excision. Ten of 11 surgeons who completed a postoperative questionnaire indicated their traditional approach to rectal cancer surgery varied with that of the operative demonstration. The attitudes of surgeons toward the Quality Initiative in Rectal Cancer strategy were positive. For the time periods before and after the pilot study, there was a trend toward a lower rate of permanent colostomy among patients treated by surgeons who participated in both the workshop and an operative demonstration of total mesorectal excision.CONCLUSIONThe Quality Initiative in Rectal Cancer strategy may be an effective method of introducing optimal rectal cancer surgery techniques to a large group of practicing surgeons.

Outcomes of emergency department thoracotomy in a tertiary care Canadian trauma centre.

OBJECTIVE Emergency department thoracotomy (EDT) is a rare and potentially life-saving intervention performed for trauma patients in extremis. EDT is rare at Canadian trauma centres because of our infrequent occurrence of penetrating trauma. This study was undertaken to evaluate outcomes at a Canadian level 1 trauma facility and compare survival to large published datasets. Also, we evaluated the appropriateness of an EDT performed at our centre based on published national guidelines. METHODS Retrospective medical record review of all patients undergoing an EDT during their resuscitation in the emergency department. Records were identified using our trauma registry, and all charts were manually reviewed. The primary outcome was survival to hospital discharge. RESULTS Over a 20-year period, 58 EDTs were performed with 6 (10.3%) survivors. Patients undergoing an EDT secondary to penetrating trauma had the highest survival (5 of 24 patients or 20.8% survival) compared to patients undergoing an EDT for blunt trauma (1 of 34 patients or 2.9% survival). Patients undergoing an EDT who had not suffered cardiac arrest represented the group with the highest survival rate (3 of 6 patients or 50% survival). The majority of EDTs (79.3%) were indicated, and no patient undergoing an EDT survived if it was performed outside of published guidelines. CONCLUSIONS Survival following an EDT in our small, regional trauma centre is consistent with survival rates from larger published datasets. An EDT should continue to be performed under accepted clinical indications.

Imaging of Traumatic Diaphragmatic Rupture: Evaluation of Diagnostic Accuracy at a Level 1 Trauma Centre

Purpose Traumatic diaphragmatic rupture (TDR) is an uncommon injury that can be associated with significant morbidity if not detected and treated in a timely manner. The purpose of our study was to evaluate the diagnostic accuracy of 64-slice multidetector computed tomography (64-MDCT) for the detection of TDR in patients at our level 1 trauma centre. Methods We used our hospitals trauma registry to identify patients with a diagnosis of TDR from January 1, 2008, to December 31, 2012. Only patients with a 64-MDCT scan at presentation who subsequently underwent laparotomy/laparoscopy were included in the study cohort. Using surgical findings as the gold standard, the accuracy of the prospective radiology reports was analyzed. Results Of the 3225 trauma patients who presented to our institution, 38 (1.2%) had a TDR. Fourteen of the 38 were excluded as they did not have MDCT before surgery. The study cohort consisted of 20 males and 4 females with a median age of 34.5 years and a median Injury Severity Score (ISS90) of 26. Fifteen had blunt trauma while 9 had a penetrating injury. The overall sensitivity of the radiology reports was 66.7% (95% confidence interval [CI]: 46.7%-82.0%), specificity was 100% (95% CI: 94.1%-100%), positive predictive value was 100% (95% CI: 80.6%-100%), negative predictive value was 88.4% (95% CI: 78.8%-94.0%), and accuracy was 90.6% (95% CI: 82.5%-95.2%). However, only 3 of 9 patients with penetrating injury had a correct preoperative diagnosis. Two of the 6 missed penetrating trauma cases had only indirect signs of injury. Conclusions The detection of TDR in trauma patients on 64-MDCT can be improved, especially in patients presenting with penetrating injury. A careful search for subtle diaphragmatic defects and indirect evidence of injury is important to avoid missing the diagnosis.

Quality of preoperative pelvic computed tomography (CT) and magnetic resonance imaging (MRI) for rectal cancer in a region in Ontario: A retrospective population-based study

Treatment decisions for rectal cancer rely on preoperative staging with CT and MRI scans. We assessed the quality of such scans in a region of Ontario.