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Biomedical subjects

R Galpin

Publications and source records attributed to R Galpin.

5 recordsLinked to original sources

Complications following management of displaced intra-articular calcaneal fractures: a prospective randomized trial comparing open reduction internal fixation with nonoperative management.

OBJECTIVE: To report on all complications experienced by patients with displaced intra-articular calcaneal fractures (DIACFs) following nonoperative management or open reduction internal fixation (ORIF). DESIGN: Prospective, randomized, multicenter study. SETTING: Four level I trauma centers. PATIENTS: The patient population consisted of consecutive patients, age 17 to 65 at the time of injury, presenting to 1 of the centers with DIACFs between April 1991 and December 1998. INTERVENTIONS: Patients were randomized to the nonoperative treatment group or to operative reduction using a lateral approach to the calcaneus. MAIN OUTCOME MEASUREMENTS: Follow-up for patients was at 2 weeks, 6 weeks, 3 months, 12 months, 24 months, and once greater than 24 months following injury. At each follow-up interval, patients were assessed for the development of major and minor complications. After a minimum of 2-year follow-up, patients were asked to fill out a validated visual analogue scale questionnaire (VAS) and a general health review (SF-36). RESULTS: There were 226 DIACFs (206 patients) in the ORIF group with 57 of 226 (25%) fractures (57 of 206 patients [28%]) having at least 1 major complication. Of 233 fractures (218 patients) nonoperatively managed, 42 (18%) (42 of 218 patients [19%]) developed at least 1 major complication (indirectly resulting in surgery). CONCLUSION: Complications occur regardless of the management strategy chosen for DIACFs and despite management by experienced surgeons. Complications are a cause of significant morbidity for patients. Outcome scores in this study tend to support ORIF for calcaneal fractures. However, ORIF patients are more likely to develop complications. Certain patient populations (WCB and Sanders type IV) developed a high incidence of complications regardless of the management strategy chosen.

Adolescent↗

Use of comparison radiographs in the diagnosis of traumatic injuries of the elbow.

STUDY OBJECTIVE: To determine whether comparison radiographic views of the uninjured elbow result in increased diagnostic accuracy in elbow trauma. DESIGN: Physicians were provided with a short clinical summary and asked to interpret radiographs of the injured elbow or of both the injured and the uninjured elbow in a randomized fashion. SETTING: The radiology department in a university hospital. METHODS: Fifty sets of radiographs from 25 children with elbow injuries were reviewed by two residents, two emergency physicians, and one pediatric radiologist using a standard classification of injuries. For each child, there were two sets of radiographs: one of the injured elbow and one of both the injured and the uninjured elbow. Descriptive statistics were used to report the results. kappa statistics were used to determine interobserver and intraobserver agreement. Missed diagnoses were divided into those that were clinically relevant and those that were not. RESULTS: The overall percentage of correct diagnoses (one versus two elbow radiographs) were as follows: residents, 69% versus 70%; emergency physicians, 62% versus 67%; and pediatric radiologist, 74% versus 72% (P greater than .05). kappa scores for interobserver variability and intrarater agreement were in the moderate range (.383 to .805; kappa, .08). Clinically relevant diagnoses were missed by trainees and emergency physicians regardless of whether radiographs of just the injured elbow or both the injured and the uninjured elbow were interpreted. Incorrect radiograph interpretations were due to false-positives in 17 of 23 cases. CONCLUSION: Comparison radiographs of the uninjured elbow did not improve diagnostic accuracy in elbow trauma in the pediatric emergency department.

Adolescent↗

Selective attention and laterally in good and poor readers.

Good and poor readers recalled lists of three pairs of competing digits presented either Dichotically (separated by ear) or Spectral-Monotically (separated by voice frequency) and at different rates of presentation. Poor readers showed a reduced ability to attenuate unattended channels and, unlike good readers, showed poorest performance at the fast rate. These results suggest a specific attentional deficit, not merely representative of the poor readers' general tendency to do poorly on difficult language related tasks.

Attention↗

Evaluation of the role of comparison radiographs in the diagnosis of traumatic elbow injuries.

This study attempted to determine whether comparison radiographic views of the uninjured elbow result in increased diagnostic accuracy. Physicians (one junior and one senior orthopaedic resident and an orthopaedic surgeon) were provided with a short clinical summary and asked to interpret radiographs of the injured elbow (IE) or both the injured and uninjured elbow (UE) in a randomized fashion from 25 children with elbow injuries. The overall percentage of correct diagnoses (one vs. two elbow radiographs) were as follows: orthopaedic surgeon, 80 versus 96%; for junior resident, 80 versus 84%; and for senior resident, 84 versus 88% (p > 0.05). Kappa scores for interobserver variability and intrarater agreement were in the high range (0.756 to 0.904, kappa = 0.08). Clinically relevant diagnoses were missed by trainees (not the orthopaedic surgeon) whether radiographs of IE or both IE and UE were interpreted. Incorrect radiograph interpretations were due to false positives in 39 of 40 cases. Comparison radiographs of the UE were not useful in improving diagnostic accuracy in elbow trauma. However, although they may be necessary in some instances, routine radiographic examination of the UE is not warranted.

Adolescent↗