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Biomedical subjects

W Rappaport

Publications and source records attributed to W Rappaport.

At least 19 recordsLinked to original sources

Influence of spousal opinions on residency selection.

Fourth-year medical students face the difficult task of choosing a residency consistent with their career goals. Our study investigates the input of the spouse on the residency selection. From July 1, 1988, to July 1, 1990, questionnaires were sent to all 69 spouses of fourth-year medical students at the University of Arizona Medical Center. Fifty-six were returned for a response rate of 81%. Of the 16 women and 40 men who responded (mean age: 27 years), 55 (98%) spouse stated that there had been family discussions on the choice of a residency program, and 41 (73%) respondents thought that they had significant input. When asked to rank the items that most influenced their support for a particular training program, career goals of the medical student (68%) and lifestyle (21%) were most important, whereas prestige, earning capacity, and program length were ranked lowest. Specific concerns expressed by spouses on the selection of a surgical residency included time commitment as the most commonly cited (79%), followed by fatigue (48%). A statistically significant correlation existed between those spouses actively discouraging the choice of general surgery and those objecting to the time commitment during residency (p less than 0.05). We conclude that spouses have significant preferences regarding the choice of a training program following medical school. Career goals and lifestyle appear to be the most important factors; however, despite concern about the time commitment, the majority of spouses are supportive of the selection of a surgical residency.

Adult

A new method of diagnosing diaphragmatic injury using intraperitoneal technetium: case report.

The diagnosis of diaphragmatic laceration following blunt or penetrating trauma is often difficult to establish. Delay in recognition of this injury can be life threatening, resulting in herniation of abdominal viscera with possible strangulation or respiratory embarrassment. Previous animal studies from our institution have documented that intra-abdominal instillation of technetium sulfur colloid is a sensitive method to diagnose diaphragmatic disruption. We now present a case of diaphragmatic injury where the preoperative diagnosis was accurately made using this method when other imaging studies were inconclusive.

Adult

Control of nonhepatic intra-abdominal hemorrhage with temporary packing.

The use of temporary packing to obtain hemostasis has long been an adjunct for surgical procedures in the pelvic area and has recently become an acceptable approach to control hemorrhage resulting from hepatic injuries. In an unstable patient with coagulopathy and diffuse capillary bleeding, packing may be the easiest way to control intra-abdominal bleeding through the simple effect of tamponade. The patient can be re-explored after a period of stabilization, when a more definitive control of hemostasis can be undertaken. Herein, we report six patients with severe underlying disease states that contributed to massive intra-abdominal bleeding refractory to control by conventional means when temporary packing was used to control hemorrhage.

Abscess

The role of early tracheostomy in blunt, multiple organ trauma.

During a 9-year period, 101 patients sustaining blunt, multiple organ injury underwent tracheostomy. Group I consisted of 32 patients who underwent tracheostomy within the first 4 days of injury (early tracheostomy) and Group II comprised 69 patients who underwent tracheostomy more than 4 days after surgery (late tracheostomy). There was no statistical difference between the two groups in terms of age, Injury Severity Score, Glasgow Coma Score, and associated injuries. The mean time of mechanical ventilatory support was 6.0 +/- 3.4 days in Group I as compared to 20.6 +/- 12.2 days in Group II (P less than 0.001). Early weaning from the ventilator was accomplished in 32 (100%) patients who underwent early tracheostomy versus 43 (62%) of those who underwent late tracheostomy (P less than 0.001). Finally, the incidence of nosocomial pneumonias was also significantly less in patients undergoing early tracheostomy. There were three nonlethal complications associated with tracheostomy. The authors conclude that early tracheostomy helps in early weaning from the ventilator and reduces the incidence of nosocomial pneumonias and time of mechanical ventilatory support in patients with blunt, multiple organ injury.

Academic Medical Centers

Does the retrocecal position of the vermiform appendix alter the clinical course of acute appendicitis? A prospective analysis.

Ninety-four adult patients undergoing appendectomy for acute appendicitis were prospectively studied during a 2-year period. Patients were divided into retrocecal (group 1; n = 27 [29%]) and anterior (group 2; n = 67 [71%]) groups according to the position of the appendix. There was no statistical difference between the two groups in duration of symptoms, presenting signs and symptoms, and initial white blood cell count. Furthermore, retrocecal appendicitis was not associated with a higher rate of perforation or increased morbidity. We conclude that the retrocecal position of the appendix does not alter the presentation of appendicitis.

Acute Disease

A model for the assessment of students' physician-patient interaction skills on the surgical clerkship.

Physician-patient interaction skills are predominantly taught by successful role modeling but are rarely evaluated formally and systematically. This study describes a new model for the assessment of student physician-patient interaction skills and reports results of use in 78 third-year medical students on clerkships at two institutions. A single nurse instructor at each institution evaluated these skills using an 18-item checklist during student performance of wound care and dressing changes. Students were focused on the evaluation of their technical skills and were unaware of the evaluation of their interaction skills. Immediate feedback on performance was provided. The mean percentage score for the interaction skills was 35%, and no improvement was noted with greater clinical experience (later rotations). We conclude that there is a striking deficiency in physician-patient interaction skills among third-year students. The model described is effective for both evaluation and feedback.

Clinical Clerkship

Value of lymph node biopsy in the treatment of patients with the human immunodeficiency virus.

The indications and value of lymph node biopsy in patients infected with the human immunodeficiency virus (HIV) are not clearly defined. We reviewed 29 consecutive lymph node biopsies performed on 24 patients with the HIV over a 4-year period. Indications for biopsy included: (1) new or worsening medical symptoms with no detectable etiology in patients with lymphadenopathy, (2) disproportionately larger or enlarging lymph node in patients with generalized adenopathy, and (3) exclusion of concomitant disease in patients with previously defined infectious or neoplastic processes. The biopsy samples exhibited a diversity of histologic appearances including atypical and reactive hyperplasia, malignancy, and infection. Nineteen biopsies (64%) resulted in the institution or alteration of treatment. The absolute number of T-helper cells prior to biopsy was significantly lower in patients with a diagnosis of malignancy or infection (p < 0.05), as well as in those who eventually died (p < 0.05). Four (14%) minor complications resulted from lymph node biopsy. Based on our results, we conclude that lymph node biopsy is indicated in the above three subsets of HIV-infected patients. Biopsy can be performed with minimal morbidity and significantly alters therapy in the majority of patients.

AIDS-Related Complex

A technique for repair of recurrent indirect inguinal hernias.

The repair of a recurrent inguinal hernia can be a technically demanding operation. Due to scar tissue from prior surgery, injury to the spermatic cord or compromise of the testicular blood supply is possible. A technique for repair of recurrent indirect inguinal hernia that allows minimal dissection of the spermatic cord structures is described.

Hernia, Inguinal

Teaching mechanical ventilation.

Participants have stated that having actually experienced the modes of the ventilator and the components of weaning parameters, they are better able to understand and manage ventilated patients, as opposed to trying to memorize them as in the past. They also have a much greater appreciation for the discomfort experienced by the ventilated patient. (Most students cannot tolerate a PEEP of 10 centimeters of H2O for more than a few minutes). Many remarked that they are much more tolerant with their agitated, intubated patients because they can now understand their agitation. The session has proved to be an effective teaching tool. It is cost effective, does not take long and is enthusiastically received by the participants who believe they have gained a better understanding of how to properly care for their anxious, intubated patients.

Education, Medical

Preoperative screening for perioperative cardiac risk.

Preoperative screening for potential cardiac complications is crucial in making rational decisions about surgery. A number of classification schemes are available to aid the primary care physician in assessing a patient's perioperative cardiac risk. In general, these schemes enable the physician to place patients in low-risk, moderate-risk and high-risk categories. Patients at low risk can often be safely referred for surgery with minimal preoperative evaluation, while those at potentially high risk frequently need further assessment and medical or surgical treatment of cardiac disease prior to surgery. The classification schemes are most accurate in identifying patients at high risk for perioperative cardiac complications. However, patients with silent underlying cardiac disease are often underclassified with respect to potential risk. For those patients, accurate prediction of perioperative cardiac complications can be challenging.

Health Status

Referral patterns and the results of antireflux operations in patients more than sixty years of age.

The role of antireflux operations in the elderly is ill-defined. Often, these patients are managed medically despite refractory symptoms for fear of surgical morbidity and mortality by referring physicians. This investigation was done to review the referral patterns and results of antireflux operations for patients more than 60 years old. The charts of all patients undergoing operation for reflux were reviewed during an eight year period from 1981 to 1989. One hundred and three patients underwent Nissen fundoplication. All patients had been treated with H2 blockers or antacids, or both, prior to referral for operation. Group 1 (N = 43) consisted of all patients who were 60 years of age and group 2 (N = 60), all patients less than 60 years of age. The mean age of those in group 1 was 70.6 years versus 43.7 years for those in group 2. The mean duration of symptoms was far greater in the elderly group versus the younger group (14.4 versus 4.1 years) (p less than 0.001). Twenty-eight patients in group 1 were referred for surgical treatment because of complications of reflux versus only four in group 2 (p less than 0.01) in whom intractability was the main indication for surgical treatment. The specific complications of gastroesophageal reflux disease that led to the referral of elderly patients for operation were stricture, bleeding, aspiration and Barrett's esophagus. There was one death and this occurred in a 46 year old woman who had a massive pulmonary embolism postoperatively. The mean duration of follow-up study was 5.1 years. Improvement in symptoms was noted by 37 patients in group 1 versus 56 in group 2. We conclude that elderly patients are most often referred for antireflux operations for complications of reflux versus younger patients in whom intractability is the most common indication. Earlier referral is warranted if reflux symptoms persist despite adequate medical therapy. Despite advanced esophageal disease, the results of antireflux operations are good, and surgical morbidity and mortality rates are low enough to warrant intervention in this group of patients, provided no medical contraindications exist.

Adult

Complications associated with needle localization biopsy of the breast.

A review of 144 consecutive needle localization biopsies of the breast (NLBB) was performed to assess complications associated with this procedure. Thirty-four complications occurred in 27 patients. There were 11 wound infections associated with NLBB. During this time period, there were 1,583 clean general surgical operations performed, other than biopsy of the breast, yielding an over-all wound infection rate of 1.2 per cent (p less than 0.001). A trend was noted, suggesting that use of drains may have contributed to wound infection versus no drainage (25 versus 5 per cent, respectively). Electrocautery burns requiring local wound care occurred during seven biopsies and four of these patients subsequently had a wound infection develop. Four lesions required more than one excision to remove the abnormal mammary tissue, and in four, there was a failure to remove the lesion at the first operation. Fifty-three localization procedures were performed using methylene blue. In this group, only one patient required more than one biopsy to remove the abnormal mammary tissue, and there were no failures with this technique. Also, a smaller mean volume of tissue was removed in this group versus the standard NLBB (30.2 +/- 3.0 versus 53.3 +/- 4.6 cubic millimeters, respectively) (p less than 0.01). Four cardiovascular complications occurred, requiring overnight admission. All of these patients were more than 65 years old and had the procedure performed while under general anesthesia. Patient age, type of anesthesia, resident versus attending surgeon and length of procedure had no independent effect on local complication rate.

Aged

The retained surgical sponge following intra-abdominal surgery. A continuing problem.

The surgical sponge retained following intra-abdominal surgery is a continuing problem. Despite precautions, the incidence of this problem is grossly underestimated. During the past 10 years, we have treated four patients with this problem. The presentation of a retained surgical sponge is highly variable, as is the time before the onset of symptoms. The clinical presentation, predisposing factors, and management are presented as well as guidelines for prevention.

Abdomen

Tube enterostomy after small bowel resection.

Ostomy formation can be technically difficult when mesenteric shortening and thickening are present. In addition, the high output that follows a small bowel ostomy can be debilitating in the elderly patient or the patient with underlying medical illness. We describe a technique to avoid these difficulties.

Enterostomy

Continuous ambulatory peritoneal dialysis associated with peritonitis in older patients.

Our recent experience with peritonitis in patients over the age of 55 years undergoing continuous ambulatory peritoneal dialysis between 1979 and 1989 is reviewed. Thirty-seven patients in this age group underwent Tenckhoff catheter insertion. Severe catheter-related peritonitis occurred at a rate of 1.41 episodes per patient per year. Overall, there were 61 episodes of peritonitis in 31 patients, with an overall mortality rate of 7%. When systemic signs of sepsis were present, this rate rose to 25%. All deaths were associated with fungal, pseudomonal, or polymicrobial infections. Management of these infections may require aggressive measures including repeated laparotomy for control of sepsis.

Age Factors