J Natl Med Assoc
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A retrospective review was conducted to determine if there were identifiable racial markers in patients who were explored and misdiagnosed as having appendicitis. Between May 1983 and May 1987, 100 patients were explored for appendicitis. There were 65 whites and 35 blacks with a male predominance in each group. ⋯ Eight patients had a normal appendix including two blacks: a 20-year-old male with no pathologic diagnosis and a 42-year-old female with a ruptured cornual pregnancy. Although the sample size was small, there was a trend toward a lower white blood cell count in blacks when appendicitis was confirmed at surgery (11,000 cells/microL +/- 3,000 v 17,000 cells/microL +/- 3,000). The following conclusions can be drawn: (1) the accuracy of diagnosis should be considerably lower than the 20% commonly quoted; (2) the likelihood of an incorrect diagnosis appears to be higher in adults in both groups without a sexual predilection; and (3) there may be a trend toward a higher initial white blood count in whites compared with blacks with acute appendicitis.
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Controversies exist regarding the clinical presentation and characteristics of cystic fibrosis (CF) in American blacks. Between 1971 and 1986, 188 patients with CF (165 whites, 20 blacks, and 3 others) seen at Children's Hospital National Medical Center, Washington, DC, were evaluated for age at diagnosis, duration of symptoms prior to diagnosis, clinical presentations, initial sputum culture results, and weight and height at diagnosis. Comparisons between black and white patients revealed no statistically significant differences in average age at diagnosis, average duration of symptoms prior to diagnosis, average sweat electrolyte concentrations, or sputum culture results. ⋯ Those patients presenting with a combination of symptomatology were equally distributed by race (25% black, 21% white). At diagnosis, age-adjusted weight percentiles were significantly lower for black patients than for white patients (chi 2 = 9.60, P less than or equal to 0.05). Although the authors agree that CF is relatively rare among blacks, a high index of suspicion is essential for early diagnosis.
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Few controlled studies on the clinical course of hypertension in the elderly have been done, and similar studies are lacking specifically regarding the aging black population. Such studies are indeed difficult considering the complexity of determining the true incidence and prevalence of the disease, the presence of confounding variables such as genetic and environmental influences, and physiologic effects of aging. ⋯ The literature has established that hypertension is the principal risk factor and has a direct relationship to the evolution of cardio- and cerebrovascular events. Therefore, examination of these data together with hypertension morbidity could contribute to our knowledge of the prevalence of hypertension in the elderly black population.
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The Evans County, Georgia, cohort of the Hypertension Detection and Follow-up Program (HDFP) was reexamined seven years after termination of the trial in 1979. Of the 510 survivors, 91 percent of the black and 91 percent of the white hypertensive subjects were evaluated by blood pressure (BP) levels, electrocardiograms (ECG), height-weight measurements, and questionnaire. The HDFP had treated a randomly selected half of the patients in an intensive stepped care (SC) program and the other half was referred to usual care (RC). ⋯ Weight loss of 15 lb was associated with normotension. Weight gain of 9 to 10 lb over seven years was associated with hypertensive BP levels. The supportive or detrimental effect of weight loss or weight gain on BP levels was thus reconfirmed in this biracial cohort.