Training Physician Assistants for the Pacific Northwest: The MEDEX Northwest Ten-Year Experience

The student characteristics and employment status of physician assistants trained at MEDEX Northwest in Seattle between 1969 and 1979 were surveyed. There were 201 graduates and an attrition rate of 11.1 percent. Of 142 respondents, 88.7 percent were currently employed as physician assistants or nurse practitioners. Most (77.5 percent) were employed by their teaching preceptors following graduation. A majority (55.6 percent) were working in public or nonprofit private sector facilities.In all, 70 percent were practicing in Washington state, 75 percent were in family practice and 62 percent were working in communities of less than 50,000 population. These results compare favorably with rural and primary care practice data for physician assistants and physicians nationally. An effective preceptorship and deployment system is proposed as an important reason for the results.     

Midlevel Personnel in Obstetrics and Gynecology Practices: Cost-Effectiveness and Consumer Benefits

Two private obstetrics-gynecology practices, in adjacent Northwest cities, which employ midlevel nurse practitioners for routine obstetric and gynecologic care were the subject of this study. At site A fees charged by the practitioner were 44 percent less than those for identical services provided by the physician. This was an attempt to pass cost savings directly to patients. At site B, fees were the same for both physician and practitioner, yielding a significant net income to the practice. At this latter site a proportion of the income was passed to patients by not increasing office fees for the years 1975 (when the practitioner was hired) through 1977, during which time the average fees of ten other physicians increased. The study shows that the use of midlevel personnel in private offices is highly cost-effective and profitable. Ideally, this profit can be passed on to patients by reduced overall office fees.     

City-wide screening for urinary abnormalities in schoolgirls

Screening for urinary tract infection was carried out in 23,427 schoolgirls, aged 5 to 14 years, using Uricult and, for hematuria, glycosuria and proteinuria using Hema-combistix. Cultures of 10⁵ colonies per ml. or more on two occasions were obtained in 2.3% and a positive culture was confirmed by the family physician using standard culture techniques in 82.7% of cases, giving an overall incidence of infection of 1.9%. Fifty-eight percent of these children had no previous history of any urinary tract symptoms. Of the infected group 9.5% had pyelonephritic scarring, 58.7% chronic cystitis and 58.7% urethral stenosis. Two additional cases had unilateral ureteropelvic junction obstruction with hydronephrosis. Reflux occurred in 26.6% of those investigated by voiding cystogram. In 58% of cases the urinary tract infection was not accompanied by significant proteinuria, hematuria or pyuria.Proteinuria was detected on two occasions in 1.6% of the children and confirmed by the family physician in 33% of cases, giving an overall incidence of 0.5%. In this group 9.2% had evidence of pyelonephritic scarring without a positive urine culture.Hematuria was detected on two occasions in 0.6% of the children and was confirmed by the family physician in 53%, giving an overall incidence of 0.3%. Only one case with pyelonephritic scarring was seen in this group.Of the 25 cases with pyelonephritic changes only six had been previously diagnosed radiologically.Four previously unrecognized diabetics were also detected.     

Cost effectiveness of treating primary care patients in accident and emergency: a comparison between general practitioners,senior house officers,and registrars.

OBJECTIVES--To compare outcome and costs of general practitioners, senior house officers, and registrars treating patients who attended accident and emergency department with problems assessed at triage as being of primary care type. DESIGN--Prospective intervention study which was later costed. SETTING--Inner city accident and emergency department in south east London. SUBJECTS--4641 patients presenting with primary care problems: 1702 were seen by general practitioners, 2382 by senior house officers, and 557 by registrars. MAIN OUTCOME MEASURES--Satisfaction and outcome assessed in subsample of 565 patients 7-10 days after hospital attendance and aggregate costs of hospital care provided. RESULTS--Most patients expressed high levels of satisfaction with clinical assessment (430/562 (77%)), treatment (418/557 (75%)), and consulting doctor''s manner (434/492 (88%)). Patients'' reported outcome and use of general practice in 7-10 days after attendance were similar: 206/241 (85%), 224/263 (85%), and 52/59 (88%) of those seen by general practitioners, senior house officers, and registrars respectively were fully recovered or improving (chi2 = 0.35, P = 0.840), while 48/240 (20%), 48/268 (18%), and 12/57 (21%) respectively consulted a general practitioner or practice nurse (chi2 = 0.51, P = 0.774). Excluding costs of admissions, the average costs per case were 19.30 pounds, 17.97 pounds, and 11.70 pounds for senior house officers, registrars, and general practitioners respectively. With cost of admissions included, these costs were 58.25 pounds, 44.68 pounds, and 32.30 pounds respectively. CONCLUSION--Management of patients with primary care needs in accident and emergency department by general practitioners reduced costs with no apparent detrimental effect on outcome. These results support new role for general practitioners.     

Simulated patients in general practice: a different look at the consultation.

To develop a better empirical basis for developing quality assessment in general practice three simulated patients made appointments with 48 general practitioners during actual surgery hours and collected facts about their performance. The simulated patients were indistinguishable from real patients and presented a standardised story of a symptomatic urinary tract infection. Two months later the same general practitioners received a written simulation about a patient who had the same urinary tract infection and were asked how they would handle this in real practice. Both results were scored against an existing consensus standard. The overall score for both methods did not show any substantial differences. A more differentiated analysis, however, showed that general practitioners performed significantly better with simulated patients. It also showed that general practitioners answering the written simulation performed significantly more unnecessary and superfluous actions. The results of this study show that the use of simulated patients seems to show the efficient performance of general practitioners in practice.     

Nurse practitioners in primary care iv. Impact of an interdisciplinary team on attitudes of a rural population.

Attitudes toward the expanded role of nurse practitioners in primary care (family practice nurses) have been determined for persons from a semirural area who chose as their principal souce of care an interdisciplinary family medical centre (FMC) incorporating two nurse practitioners, and those for whom the FMC was not the usual source of care. Data were obtaine using"before-and-after" structured interviews of a random sample of persons living in a southern Ontario township. Slowly evolving, nonsignificant trends of greater acceptance were observed among patiens who had dealth with family practice nurses. The greatest change observed was an increased acceptance of the nnurse by FMC users as the person who would be contacted as a second choice if theirfirst choice, usually a physician, could not be reached in specific worrry-inducing situations. FMC users depended more on nurses to provide information. A conclusion of increased general acceptance of the family practive nurse by FMC users is supported by a 34 per cent higher use of nurses by FMC patients compared to other persons of comparable characteristics living in the same community.     

Nurse Practitioner and Physician's Assistant Clinics in Rural California: Part II: A Survey

Twenty-six rural California clinics have employed nurse practitioners (NP''s) or physician''s assistants (PA''s) to meet the primary health care needs of local communities. Of the 24 NP''s and 5 PA''s involved, 11 were men and 18 were women. Their average age was 37, and all but five were trained in California. The clinics, with less than 50 percent on-site physician supervision, averaged 19 miles in distance from the nearest physician (ranging up to 63 miles). More than half the clinics were satellites of central, physician-staffed, nonprofit clinics, a third were community-administered and two were private. Half served a whole community, a quarter were established to serve Indians and a quarter to serve Chicanos. Each NP or PA saw an average of 13 patients a day. All nonprivate clinics received subsidies from a variety of local, state and federal funds. Four of the clinics had closed or had no medical staff at the time of our survey.NP/PA clinics are proving to be a feasible and valuable means of offering essential health care needs to remote communities.     

Combining specialist and primary health care teams for HIV positive patients: retrospective and prospective studies.

OBJECTIVE: To develop and evaluate a model of health care for HIV positive patients involving specialist, hospital based teams and primary health care teams. DESIGN: One year retrospective and a 2 1/2 year prospective study. SETTING: Two hospitals in West London and 88 general practitioners in 72 general hospitals. SUBJECTS: 209 adults with HIV infection. INTERVENTION: General practitioners enrolled in the project were faxed structured outpatient clinic summaries. When hospital inpatients were discharged, a brief discharge summary was faxed. General practitioners had access to consultant physicians skilled in HIV medicine through a 24 hour mobile telephone service. An HIV/AIDS management and treatment guide containing relevant local information was produced. Quarterly discussion forums for general practitioners were held, and a regular newsletter was produced. MAIN OUTCOME MEASURES: Hospital attendance and general practitioner consultations; perceived benefits and problems of patients and general practitioners. RESULTS: The average length of a hospital inpatient stay was halved for those patients who had participated in the project for two years, and the average number of visits to the outpatient clinic per month fell for patients with AIDS. There was a substantial increase in the number of visits to general practitioners by patients with AIDS and symptomatic HIV infection. Patients and general practitioners both felt that the standard of health care provided had improved. CONCLUSIONS: This model of health care efficiently and effectively utilised existing teams of hospital and primary health care professionals to provide care for HIV positive patients. Simple, prompt, and regular communication systems which provided information relevant to the needs of general practitioners were central to its success.     

Impact of nurse practitioners on workload of general practitioners: randomised controlled trial

Objective To examine the impact on general practitioners'' workload of adding nurse practitioners to the general practice team.Design Randomised controlled trial with measurements before and after the introduction of nurse practitioners.Setting 34 general practices in a southern region of the Netherlands.Participants 48 general practitioners.Intervention Five nurses were randomly allocated to general practitioners to undertake specific elements of care according to agreed guidelines. The control group received no nurse.Main outcome measures Objective workload, derived from 28 day diaries, included the number of contacts per day for each of three conditions (chronic obstructive pulmonary disease or asthma, dementia, cancer), by type of consultation (in practice, telephone, home visit), and by time of day (surgery hours, out of hours). Subjective workload was measured by using a validated questionnaire. Outcomes were measured six months before and 18 months after the intervention.Results The number of contacts during surgery hours increased in the intervention group compared with the control group (P < 0.06), particularly for patients with chronic obstructive pulmonary disease or asthma (P < 0.01). The number of consultations out of hours declined slightly in the intervention group compared with the control group, but this difference did not reach significance. No significant changes became apparent in subjective workload.Conclusion Adding nurse practitioners to general practice teams did not reduce the workload of general practitioners, at least in the short term. This implies that nurse practitioners are used as supplements, rather than substitutes, for care given by general practitioners.     

Feasibility and effects of nurse run clinics for patients with epilepsy in general practice: randomised controlled trial. Epilepsy Care Evaluation Group.

OBJECTIVE: To test the feasibility and effect of nurse run epilepsy clinics in primary care. DESIGN: A randomised controlled trial of nurse run clinics versus "usual care." SETTING: Six general practices in the South Thames region. SUBJECTS: 251 patients aged over 15 years who were taking anti-epileptic drugs or had a diagnosis of epilepsy and an attack in the past two years who met specified inclusion criteria and had responded to a questionnaire. MAIN OUTCOME MEASURES: Questionnaire responses and recording of key variables extracted from the clinical records before and after the intervention. RESULTS: 127 patients were randomised to a nurse run clinic, of whom 106 (83%) attended. The nurse wrote 28 letters to the general practitioners suggesting changes in epilepsy management. For this intervention group compared with the usual care group there was a highly significant improvement in the level of advice recorded as having been given on drug compliance, adverse drug effects, driving, alcohol intake, and self help groups. CONCLUSIONS: Nurse run clinics for patients with epilepsy were feasible and well attended. Such clinics can significantly improve the level of advice and drug management recorded.     

The role of the primary care physician in the management of bladder dysfunction

Urinary incontinence is a major health challenge for primary care physicians. Unfortunately, the majority of incontinent patients remain untreated. Primary care physicians are ideally positioned to screen for and manage urinary incontinence. A knowledge of basic micturition physiology is important for the physician to accurately identify the cause of incontinence and arrive at the correct treatment course. To this end, this article reviews the physiology of the lower urinary tract, describes the clinical types of urinary incontinence, and outlines a stepwise approach for the primary care physician to the basic evaluation and management of patients with this condition.     

A primary care weight management intervention for low-income African-American women

Objective: To determine whether a tailored weight management program, addressing the needs of obese, low‐income African‐American women, would produce greater weight loss than standard medical care. Research Methods and Procedures: A randomized, controlled trial was conducted between 1999 and 2003 with 144 overweight or obese women (predominantly African‐American) enrolled at two primary care clinics. Four physicians at each clinic were randomly assigned to provide either tailored weight management interventions or standard care. The tailored condition consisted of six monthly outpatient visits lasting ～15 minutes each, which included personalized materials and messages. The main outcome was body weight change. Results: The intervention group lost more weight than the standard care group (p = 0.03). The tailored group lost a mean (standard deviation) of 2.0 (3.2) kg by Month 6. The standard care group gained 0.2 (2.9) kg. More participants in the tailored group lost weight (79% vs. 47%; p = 0.04). Discussion: Obese, low‐income, African‐American women provided with 90 minutes of physician‐delivered, tailored weight management instruction over 6 months achieved greater weight loss than those receiving standard medical care. The primary care physician can be effective in delivering weight loss interventions, and the primary care clinic may be a useful setting to implement weight management interventions.     

Clinical judgment in the diagnosis and management of frequency and dysuria in general practice.

In a study of 40 women with the urethral syndrome and 46 women with conventional urinary tract infection, none of whom was pregnant, general practitioners predicted the diagnosis correctly before the report on the midstream urine specimen was received, as evidenced by their management. They seemed to do this by balancing the symptom of dysuria with the psychological make up of the patient: patients with the urethral syndrome suffered appreciably less dysuria than patients with urinary tract infection; patients with the urethral syndrome suffered appreciably more psychological illness. This ability to distinguish between the two disorders has important clinical and economic implications.     

The presence of HIV infection in a hospital-based primary care setting

Background: The incidence of HIV infection in the general population continues to grow as a cure is yet to be found. Fortunately, great strides have been made in treating this multifactorial disease so patients are living longer and more productive lives. As a result, there is a growing demand from all health care disciplines, including optometry, to provide care for patients with HIV infection. Methods: From June 1, 1994 through May 30, 1995, HIV seropositive patients presenting to the primary care optometry clinic at the Bascom Palmer Eye Institute were identified from the total clinic population. All patients presented to the clinic as part of a routine eye exam or were referred by a primary physician. All abnormal findings were recorded in a log in addition to the CD4⁺ T-cell count. Results: One hundred and fifty HIV seropositive patients were identified from the clinic population. Fifty percent were ocularly abnormal including 31 patients (20.7%) with HIV microangiopathy, and nine patients (6%) with CMV retinitis. One hundred and eighteen patients (78.7%) knew their CD4 count. There was a correlation between HIV-related ocular findings and low CD4 counts. Similarly 65.6% of the patients who did not know or did not share their CD4 counts had abnormalities in their eye exam with 52.4% being HIV related. Conclusion: Optometrists play an important part of the health care team since patients with HIV infection present to primary care optometrists for comprehensive eye care as demonstrated in this study. The optometrist must be aware of the status of their CD4 count as this helps determine the risk for having HIV-related problems. Many patients will be able to provide this information as shown. Caution must be displayed with patients who do not know their CD4 count as this may be a poor prognostic sign. Finally, optometrists must educate patients about the risk for developing ocular complications from HIV as part of their eye care as both HIV microangiography and CMV retinitis were the most common AIDS-related ocular findings.     

Ultrasonography compared with intravenous urography in investigation of urinary tract infection in adults.

OBJECTIVE--To compare ultrasonography with intravenous urography for investigating adults with proved urinary tract infection. DESIGN--Prospective study of patients presenting consecutively for radiological investigation of urinary tract infection between October 1988 and December 1989. Both investigations were performed concurrently and performed independently on routine lists by different duty radiologists, each of whom knew the details on the request form but not the findings of the other investigation. SETTING--Radiology department of a teaching hospital. PATIENTS--158 Consecutive adults (89 women, 69 men; mean age 49.7 (range 18-83)) referred from general practitioners and hospital outpatient clinics with a history of proved urinary tract infection. INTERVENTIONS--Urography and ultrasonography performed concurrently. When both examinations gave normal findings no clinical or radiological follow up was sought. All abnormal findings detected with either investigation were confirmed by subsequent imaging studies or by operative procedures. MAIN OUTCOME MEASURE--Accuracy of detection of abnormalities of urinary system by ultrasonography compared with urography. RESULTS--113 Patients (72%) had normal urographic and ultrasonic findings. Overall, ultrasonography concurred with the findings of urography in 149 (94%) patients, and when a single abdominal radiograph was included in the procedure, in 152 (96%). Ultrasonography missed only one important diagnosis, that of mild papillary necrosis in normal sized kidneys in a diabetic patient. It detected one early bladder tumour not visible on urography and was able to clarify the nature of renal masses (simple cysts) evident on three urograms. CONCLUSION--Ultrasonography provides a safe and accurate method of imaging the urinary tract in adults with infection. Combined with a plain abdominal radiograph, it should replace urography as the initial imaging investigation in these patients. Major savings would result from adopting this policy, and the risks to patients from ionising radiation and intravenous contrast media would be appreciably reduced.     

Cytologic evaluation of urine after kidney transplantation

Over a ten-month period, 54 kidney transplant patients returning for routine clinic visits were prospectively evaluated utilizing urinary cytology; 101 urine specimens were examined. The incidence of undetected infection was low. Two patients were noted to have polyomavirus infections, and two had candiduria. No patient had urinary tract malignancy.     

Use of urinary gram stain for detection of urinary tract infection in childhood

In this study, urinary culture, urinary Gram stain, and four tests within the urinalysis, leukocyte esterase, nitrite, microscopyfor bacteria, and microscopyforpyuria, were examined in 100 children with symptoms suggesting urinary tract infection. Our purpose was to determine the validity of the urinary Gram stain compared with a combination of pyuria plus Gram stain and overall urinalysis (positiveness of nitrite, leukocyte esterase, microscopy for bacteria, or microscopy for white blood cell). Of 100 children, aged two days to 15 years, 70 (70 percent) had a positive urinary culture: 40 girls (57 percent) and 30 boys (43 percent). Escherichia coli was the most common isolated agent. The sensitivity and specificity of the urinary Gram stain were 80 percent and 83 percent, and that of the combination of pyuria plus Gram stain 42 percent and 90 percent, and that of the overall urinalysis 74 percent and 3.5 percent respectively. Our findings revealed that neither method of urine screen should substitute for a urine culture in the symptomatic patients in childhood.     

Nurse practitioners in primary care I. The McMaster University educational program

In 1971 McMaster University offered an educational program for nurse practitioners sponsored jointly by the Faculty of Medicine and the School of Nursing. Priority in the pilot program was given to nurses employed in family practice settings and to those participating in related McMaster studies. Because of the implications of a change in role for both nurse and physician, one requirement for acceptance of a nurse in the program was participation of the physician-associate in the educational program.The program prepares registered nurses to extend their responsibilities in primary health care activities for the assessment and management of patients in family practice. The current evaluations of the pilot-study results suggest that such programs can contribute effective resources towards meeting expectations of ready access to primary care by the people of Canada.     

Part I – Young Girls with Non-Refluxing Ureters

This paper is the study of 144 girls with histories of urinary tract infection followed at the Stanford Medical Center who were found to be free of ureterovesical reflux. The mean age at onset of infection for the entire group was about four years and ranged from the first few months of life to age 10. Ninety-two percent of the 505 infection episodes in these children presented with symptoms referable to the lower tract, and bacterial localization studies confirmed that 85 percent of the infections were limited to the bladder. Escherichia coli was the most common organism isolated and most infections were caused by a pure culture of a single bacteria.In only two of the 144 patients studied was there any evidence of upper tract damage related to infection. The possibility that these patients had reflux at an earlier age could not be discounted.In response to short-term antibacterial therapy in 66 of the patients followed closely for an average of 40 months each, 20 percent of the patients had no further infections and 80 percent went on to recurrence. With each succeeding treatment an additional 20 percent of the patients were “cured,” but the remainder experienced recurrent infections during the follow-up. This reinfection pattern supports the use of long-term antibacterial prophylaxis in all girls who have more than three or four recurrences of infections. Urethral dilation appeared to have no value in reducing the reinfection rate. While it appears that in the absence of ureterovesical reflux few, if any, of these children will go on to develop upper tract damage, long-term prophylactic suppressive medication can clearly be justified on the grounds of reducing patient morbidity.